Add kerby-event library and the event-network support back in the branch
diff --git a/kerby-kerb/kerb-client/pom.xml b/kerby-kerb/kerb-client/pom.xml
index 2dca9a4..5d01fe3 100644
--- a/kerby-kerb/kerb-client/pom.xml
+++ b/kerby-kerb/kerb-client/pom.xml
@@ -43,6 +43,11 @@
</dependency>
<dependency>
<groupId>org.apache.kerby</groupId>
+ <artifactId>kerby-event</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.kerby</groupId>
<artifactId>kerb-util</artifactId>
<version>${project.version}</version>
</dependency>
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbClient.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbClient.java
index adf89c3..7cbb3d0 100644
--- a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbClient.java
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbClient.java
@@ -22,6 +22,7 @@
import org.apache.kerby.KOptions;
import org.apache.kerby.kerberos.kerb.KrbException;
import org.apache.kerby.kerberos.kerb.client.impl.DefaultInternalKrbClient;
+import org.apache.kerby.kerberos.kerb.client.impl.event.EventBasedKrbClient;
import org.apache.kerby.kerberos.kerb.spec.base.AuthToken;
import org.apache.kerby.kerberos.kerb.spec.ticket.ServiceTicket;
import org.apache.kerby.kerberos.kerb.spec.ticket.TgtTicket;
@@ -119,11 +120,22 @@
}
/**
+ * Use event model. By default blocking model is used.
+ */
+ public void useEventModel() {
+ commonOptions.add(KrbOption.USE_EVENT_MODEL);
+ }
+
+ /**
* Init the client.
* @throws KrbException
*/
public void init() throws KrbException {
- innerClient = new DefaultInternalKrbClient();
+ if (commonOptions.contains(KrbOption.USE_EVENT_MODEL)) {
+ innerClient = new EventBasedKrbClient();
+ } else {
+ innerClient = new DefaultInternalKrbClient();
+ }
innerClient.init(commonOptions);
}
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbOption.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbOption.java
index caea76d..f1afbfd 100644
--- a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbOption.java
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/KrbOption.java
@@ -24,6 +24,7 @@
public enum KrbOption implements KOption {
NONE("NONE"),
+ USE_EVENT_MODEL("use event model", KOptionType.NOV),
CLIENT_PRINCIPAL("client-principal", "Client principal", KOptionType.STR),
KRB_CONFIG("krb config", KOptionType.OBJ),
CONF_DIR("conf dir", KOptionType.DIR),
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/EventBasedKrbClient.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/EventBasedKrbClient.java
new file mode 100644
index 0000000..525dfb6
--- /dev/null
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/EventBasedKrbClient.java
@@ -0,0 +1,118 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.client.impl.event;
+
+import org.apache.kerby.KOptions;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.event.EventWaiter;
+import org.apache.kerby.kerberos.kerb.KrbException;
+import org.apache.kerby.kerberos.kerb.client.impl.AbstractInternalKrbClient;
+import org.apache.kerby.kerberos.kerb.client.request.AsRequest;
+import org.apache.kerby.kerberos.kerb.client.request.TgsRequest;
+import org.apache.kerby.kerberos.kerb.common.KrbStreamingDecoder;
+import org.apache.kerby.kerberos.kerb.spec.ticket.ServiceTicket;
+import org.apache.kerby.kerberos.kerb.spec.ticket.TgtTicket;
+import org.apache.kerby.transport.Network;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.TransportEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * An event based krb client implementation.
+ */
+public class EventBasedKrbClient extends AbstractInternalKrbClient {
+
+ private EventKrbHandler krbHandler;
+ private EventHub eventHub;
+ private EventWaiter eventWaiter;
+ private Transport transport;
+
+ @Override
+ public void init(KOptions commonOptions) throws KrbException {
+ super.init(commonOptions);
+
+ this.krbHandler = new EventKrbHandler();
+ krbHandler.init(getContext());
+
+ this.eventHub = new EventHub();
+ eventHub.register(krbHandler);
+
+ Network network = new Network();
+ network.setStreamingDecoder(new KrbStreamingDecoder());
+ eventHub.register(network);
+
+ eventWaiter = eventHub.waitEvent(
+ TransportEventType.NEW_TRANSPORT,
+ KrbClientEventType.TGT_RESULT,
+ KrbClientEventType.TKT_RESULT
+ );
+
+ eventHub.start();
+
+ network.tcpConnect(getSetting().getKdcHost(),
+ getSetting().getKdcTcpPort());
+ if (getSetting().allowUdp()) {
+ network.udpConnect(getSetting().getKdcHost(),
+ getSetting().getKdcUdpPort());
+ }
+ final Event event = eventWaiter.waitEvent(TransportEventType.NEW_TRANSPORT);
+ transport = ((TransportEvent) event).getTransport();
+ }
+
+ @Override
+ protected TgtTicket doRequestTgtTicket(AsRequest tgtTktReq) throws KrbException {
+ tgtTktReq.setSessionData(transport);
+ transport.setAttachment(tgtTktReq);
+
+ eventHub.dispatch(KrbClientEvent.createTgtIntentEvent(tgtTktReq));
+ Event resultEvent;
+ try {
+ resultEvent = eventWaiter.waitEvent(KrbClientEventType.TGT_RESULT,
+ getSetting().getTimeout(), TimeUnit.SECONDS);
+ } catch (TimeoutException e) {
+ throw new KrbException("Network timeout", e);
+ }
+ AsRequest asResponse = (AsRequest) resultEvent.getEventData();
+
+ return asResponse.getTicket();
+ }
+
+ @Override
+ protected ServiceTicket doRequestServiceTicket(TgsRequest ticketReq) throws KrbException {
+ ticketReq.setSessionData(transport);
+ transport.setAttachment(ticketReq);
+
+ eventHub.dispatch(KrbClientEvent.createTktIntentEvent(ticketReq));
+ Event resultEvent;
+ try {
+ resultEvent = eventWaiter.waitEvent(KrbClientEventType.TKT_RESULT,
+ getSetting().getTimeout(), TimeUnit.SECONDS);
+ } catch (TimeoutException e) {
+ throw new KrbException("Network timeout", e);
+ }
+ TgsRequest tgsResponse = (TgsRequest) resultEvent.getEventData();
+
+ return tgsResponse.getServiceTicket();
+ }
+}
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/EventKrbHandler.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/EventKrbHandler.java
new file mode 100644
index 0000000..e2a6dbd
--- /dev/null
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/EventKrbHandler.java
@@ -0,0 +1,87 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.client.impl.event;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.kerberos.kerb.client.KrbContext;
+import org.apache.kerby.kerberos.kerb.client.KrbHandler;
+import org.apache.kerby.kerberos.kerb.client.request.AsRequest;
+import org.apache.kerby.kerberos.kerb.client.request.KdcRequest;
+import org.apache.kerby.kerberos.kerb.client.request.TgsRequest;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+public class EventKrbHandler extends AbstractEventHandler {
+
+ private KrbHandler innerHandler;
+
+
+ public void init(KrbContext context) {
+ this.innerHandler = new KrbHandler() {
+ @Override
+ protected void sendMessage(KdcRequest kdcRequest,
+ ByteBuffer requestMessage) throws IOException {
+ Transport transport = (Transport) kdcRequest.getSessionData();
+ transport.sendMessage(requestMessage);
+ }
+ };
+ innerHandler.init(context);
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] {
+ TransportEventType.INBOUND_MESSAGE,
+ KrbClientEventType.TGT_INTENT,
+ KrbClientEventType.TKT_INTENT
+ };
+ }
+
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ EventType eventType = event.getEventType();
+
+ if (eventType == KrbClientEventType.TGT_INTENT ||
+ eventType == KrbClientEventType.TKT_INTENT) {
+ KdcRequest kdcRequest = (KdcRequest) event.getEventData();
+ innerHandler.handleRequest(kdcRequest);
+ } else if (event.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ handleMessage((MessageEvent) event);
+ }
+ }
+
+ protected void handleMessage(MessageEvent event) throws Exception {
+ ByteBuffer receivedMessage = event.getMessage();
+
+ KdcRequest kdcRequest = (KdcRequest) event.getTransport().getAttachment();
+ innerHandler.onResponseMessage(kdcRequest, receivedMessage);
+ if (AsRequest.class.isAssignableFrom(kdcRequest.getClass())) {
+ dispatch(KrbClientEvent.createTgtResultEvent((AsRequest) kdcRequest));
+ } else if (TgsRequest.class.isAssignableFrom(kdcRequest.getClass())) {
+ dispatch(KrbClientEvent.createTktResultEvent((TgsRequest) kdcRequest));
+ }
+ }
+}
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/KrbClientEvent.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/KrbClientEvent.java
new file mode 100644
index 0000000..574e2d0
--- /dev/null
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/KrbClientEvent.java
@@ -0,0 +1,43 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.client.impl.event;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.kerberos.kerb.client.request.AsRequest;
+import org.apache.kerby.kerberos.kerb.client.request.TgsRequest;
+
+public class KrbClientEvent {
+
+ public static Event createTgtIntentEvent(AsRequest asRequest) {
+ return new Event(KrbClientEventType.TGT_INTENT, asRequest);
+ }
+
+ public static Event createTktIntentEvent(TgsRequest tgsRequest) {
+ return new Event(KrbClientEventType.TKT_INTENT, tgsRequest);
+ }
+
+ public static Event createTgtResultEvent(AsRequest asRequest) {
+ return new Event(KrbClientEventType.TGT_RESULT, asRequest);
+ }
+
+ public static Event createTktResultEvent(TgsRequest tgsRequest) {
+ return new Event(KrbClientEventType.TKT_RESULT, tgsRequest);
+ }
+}
diff --git a/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/KrbClientEventType.java b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/KrbClientEventType.java
new file mode 100644
index 0000000..8f0e981
--- /dev/null
+++ b/kerby-kerb/kerb-client/src/main/java/org/apache/kerby/kerberos/kerb/client/impl/event/KrbClientEventType.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.client.impl.event;
+
+import org.apache.kerby.event.EventType;
+
+public enum KrbClientEventType implements EventType {
+ TGT_INTENT,
+ TGT_RESULT,
+ TKT_INTENT,
+ TKT_RESULT
+}
diff --git a/kerby-kerb/kerb-common/pom.xml b/kerby-kerb/kerb-common/pom.xml
index c745928..d21d320 100644
--- a/kerby-kerb/kerb-common/pom.xml
+++ b/kerby-kerb/kerb-common/pom.xml
@@ -33,6 +33,11 @@
</dependency>
<dependency>
<groupId>org.apache.kerby</groupId>
+ <artifactId>kerby-event</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.kerby</groupId>
<artifactId>kerb-core</artifactId>
<version>${project.version}</version>
</dependency>
diff --git a/kerby-kerb/kerb-common/src/main/java/org/apache/kerby/kerberos/kerb/common/KrbStreamingDecoder.java b/kerby-kerb/kerb-common/src/main/java/org/apache/kerby/kerberos/kerb/common/KrbStreamingDecoder.java
new file mode 100644
index 0000000..a647bf0
--- /dev/null
+++ b/kerby-kerb/kerb-common/src/main/java/org/apache/kerby/kerberos/kerb/common/KrbStreamingDecoder.java
@@ -0,0 +1,42 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.common;
+
+import org.apache.kerby.transport.tcp.DecodingCallback;
+import org.apache.kerby.transport.tcp.StreamingDecoder;
+
+import java.nio.ByteBuffer;
+
+public class KrbStreamingDecoder implements StreamingDecoder {
+
+ @Override
+ public void decode(ByteBuffer streamingBuffer, DecodingCallback callback) {
+ if (streamingBuffer.remaining() >= 4) {
+ int len = streamingBuffer.getInt();
+ if (streamingBuffer.remaining() >= len) {
+ callback.onMessageComplete(len + 4, 4); //Remove the prefix length
+ } else {
+ callback.onMoreDataNeeded(len + 4);
+ }
+ } else {
+ callback.onMoreDataNeeded();
+ }
+ }
+}
diff --git a/kerby-kerb/kerb-kdc-test/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcTestBase.java b/kerby-kerb/kerb-kdc-test/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcTestBase.java
index 0543568..f750d31 100644
--- a/kerby-kerb/kerb-kdc-test/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcTestBase.java
+++ b/kerby-kerb/kerb-kdc-test/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcTestBase.java
@@ -152,7 +152,9 @@
* @throws Exception
*/
protected void prepareKrbClient() throws Exception {
-
+ if (useEventModelClient()) {
+ krbClnt.useEventModel();
+ }
}
/**
@@ -170,6 +172,18 @@
if (udpPort > 0) {
kdcServer.setKdcUdpPort(udpPort);
}
+
+ if (useEventModelKdc()) {
+ kdcServer.useEventModel();
+ }
+ }
+
+ protected boolean useEventModelKdc() {
+ return false;
+ }
+
+ protected boolean useEventModelClient() {
+ return false;
}
protected void setUpKdcServer() throws Exception {
diff --git a/kerby-kerb/kerb-kdc-test/src/test/java/org/apache/kerby/kerberos/kerb/server/KdcTestUsingEventClient.java b/kerby-kerb/kerb-kdc-test/src/test/java/org/apache/kerby/kerberos/kerb/server/KdcTestUsingEventClient.java
new file mode 100644
index 0000000..5e906de
--- /dev/null
+++ b/kerby-kerb/kerb-kdc-test/src/test/java/org/apache/kerby/kerberos/kerb/server/KdcTestUsingEventClient.java
@@ -0,0 +1,35 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.server;
+
+import org.junit.Test;
+
+public class KdcTestUsingEventClient extends KdcTest {
+
+ @Override
+ protected boolean useEventModelClient() {
+ return false;
+ }
+
+ @Test
+ public void testKdc() throws Exception {
+ performKdcTest();
+ }
+}
\ No newline at end of file
diff --git a/kerby-kerb/kerb-kdc-test/src/test/java/org/apache/kerby/kerberos/kerb/server/KdcTestUsingEventKdc.java b/kerby-kerb/kerb-kdc-test/src/test/java/org/apache/kerby/kerberos/kerb/server/KdcTestUsingEventKdc.java
new file mode 100644
index 0000000..99a1aad
--- /dev/null
+++ b/kerby-kerb/kerb-kdc-test/src/test/java/org/apache/kerby/kerberos/kerb/server/KdcTestUsingEventKdc.java
@@ -0,0 +1,35 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.server;
+
+import org.junit.Test;
+
+public class KdcTestUsingEventKdc extends KdcTest {
+
+ @Override
+ protected boolean useEventModelKdc() {
+ return false;
+ }
+
+ @Test
+ public void testKdc() throws Exception {
+ performKdcTest();
+ }
+}
\ No newline at end of file
diff --git a/kerby-kerb/kerb-server/pom.xml b/kerby-kerb/kerb-server/pom.xml
index b0ab417..138d123 100644
--- a/kerby-kerb/kerb-server/pom.xml
+++ b/kerby-kerb/kerb-server/pom.xml
@@ -47,6 +47,11 @@
<artifactId>kerb-identity</artifactId>
<version>${project.version}</version>
</dependency>
+ <dependency>
+ <groupId>org.apache.kerby</groupId>
+ <artifactId>kerby-event</artifactId>
+ <version>${project.version}</version>
+ </dependency>
</dependencies>
<profiles>
diff --git a/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServer.java b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServer.java
index a2f6c46..7cbd6eb 100644
--- a/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServer.java
+++ b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServer.java
@@ -22,6 +22,7 @@
import org.apache.kerby.KOptions;
import org.apache.kerby.kerberos.kerb.identity.IdentityService;
import org.apache.kerby.kerberos.kerb.server.impl.DefaultInternalKdcServerImpl;
+import org.apache.kerby.kerberos.kerb.server.impl.event.EventBasedKdcServer;
import java.io.File;
@@ -113,6 +114,13 @@
}
/**
+ * Use event model. By default blocking model is used.
+ */
+ public void useEventModel() {
+ commonOptions.add(KdcServerOption.USE_EVENT_MODEL);
+ }
+
+ /**
* Set runtime folder.
* @param workDir
*/
@@ -165,6 +173,8 @@
if (commonOptions.contains(KdcServerOption.INNER_KDC_IMPL)) {
innerKdc = (InternalKdcServer) commonOptions.getOptionValue(
KdcServerOption.INNER_KDC_IMPL);
+ } else if (commonOptions.contains(KdcServerOption.USE_EVENT_MODEL)) {
+ innerKdc = new EventBasedKdcServer();
} else {
innerKdc = new DefaultInternalKdcServerImpl();
}
diff --git a/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServerOption.java b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServerOption.java
index a6bad7d..61017d2 100644
--- a/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServerOption.java
+++ b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/KdcServerOption.java
@@ -27,6 +27,7 @@
*/
public enum KdcServerOption implements KOption {
NONE("NONE"),
+ USE_EVENT_MODEL("use event model", KOptionType.NOV),
INNER_KDC_IMPL("inner KDC impl", KOptionType.OBJ),
KDC_CONFIG("kdc config", KOptionType.OBJ),
BACKEND_CONFIG("backend config", KOptionType.OBJ),
diff --git a/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/impl/event/EventBasedKdcServer.java b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/impl/event/EventBasedKdcServer.java
new file mode 100644
index 0000000..ec076cf
--- /dev/null
+++ b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/impl/event/EventBasedKdcServer.java
@@ -0,0 +1,76 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.server.impl.event;
+
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.kerberos.kerb.common.KrbStreamingDecoder;
+import org.apache.kerby.kerberos.kerb.server.KdcContext;
+import org.apache.kerby.kerberos.kerb.server.impl.AbstractInternalKdcServer;
+import org.apache.kerby.kerberos.kerb.server.preauth.PreauthHandler;
+import org.apache.kerby.transport.Network;
+
+/**
+ * Event based KDC server.
+ */
+public class EventBasedKdcServer extends AbstractInternalKdcServer {
+
+ private EventKdcHandler kdcHandler;
+ private EventHub eventHub;
+
+ @Override
+ protected void doStart() throws Exception {
+ super.doStart();
+
+ prepareHandler();
+
+ this.eventHub = new EventHub();
+
+ eventHub.register(kdcHandler);
+
+ Network network = new Network();
+ network.setStreamingDecoder(new KrbStreamingDecoder());
+ eventHub.register(network);
+
+ eventHub.start();
+ network.tcpListen(getSetting().getKdcHost(),
+ getSetting().getKdcTcpPort());
+ if (getSetting().allowUdp()) {
+ network.udpListen(getSetting().getKdcHost(),
+ getSetting().getKdcUdpPort());
+ }
+ }
+
+ private void prepareHandler() {
+ KdcContext kdcContext = new KdcContext(getSetting());
+ kdcContext.setIdentityService(getBackend());
+ PreauthHandler preauthHandler = new PreauthHandler();
+ preauthHandler.init();
+ kdcContext.setPreauthHandler(preauthHandler);
+
+ this.kdcHandler = new EventKdcHandler(kdcContext);
+ }
+
+ @Override
+ protected void doStop() throws Exception {
+ super.doStop();
+
+ eventHub.stop();
+ }
+}
diff --git a/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/impl/event/EventKdcHandler.java b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/impl/event/EventKdcHandler.java
new file mode 100644
index 0000000..5c6ab7b
--- /dev/null
+++ b/kerby-kerb/kerb-server/src/main/java/org/apache/kerby/kerberos/kerb/server/impl/event/EventKdcHandler.java
@@ -0,0 +1,61 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.kerberos.kerb.server.impl.event;
+
+import org.apache.kerby.kerberos.kerb.server.KdcHandler;
+import org.apache.kerby.kerberos.kerb.server.KdcContext;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.tcp.TcpTransport;
+
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+
+/**
+ * KDC handler to process client requests. Currently only one realm is supported.
+ */
+public class EventKdcHandler extends MessageHandler {
+
+ private final KdcHandler myKdcHandler;
+
+ public EventKdcHandler(KdcContext kdcContext) {
+ this.myKdcHandler = new KdcHandler(kdcContext);
+ }
+
+ @Override
+ protected void handleMessage(MessageEvent event) throws Exception {
+ ByteBuffer message = event.getMessage();
+ Transport transport = event.getTransport();
+
+ InetSocketAddress clientAddress = transport.getRemoteAddress();
+ boolean isTcp = transport instanceof TcpTransport;
+
+ try {
+ ByteBuffer krbResponse = myKdcHandler.handleMessage(message, isTcp,
+ clientAddress.getAddress());
+ transport.sendMessage(krbResponse);
+ } catch (Exception e) {
+ //TODO: log the error
+ System.out.println("Error occured while processing request:"
+ + e.getMessage());
+ }
+ }
+}
diff --git a/lib/kerby-event/README b/lib/kerby-event/README
new file mode 100644
index 0000000..cb3b88a
--- /dev/null
+++ b/lib/kerby-event/README
@@ -0,0 +1 @@
+An event driven application framework with mixed (TCP, UDP) x (connector, acceptor) supported.
\ No newline at end of file
diff --git a/lib/kerby-event/pom.xml b/lib/kerby-event/pom.xml
new file mode 100644
index 0000000..af1e11a
--- /dev/null
+++ b/lib/kerby-event/pom.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License. See accompanying LICENSE file.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <artifactId>lib</artifactId>
+ <groupId>org.apache.kerby</groupId>
+ <version>1.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>kerby-event</artifactId>
+ <name>Kerby Event</name>
+ <description>Kerby Event and Transport facilities for both client and server</description>
+
+</project>
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/AbstractEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/AbstractEventHandler.java
new file mode 100644
index 0000000..59a0a82
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/AbstractEventHandler.java
@@ -0,0 +1,55 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+public abstract class AbstractEventHandler implements EventHandler {
+
+ private Dispatcher dispatcher;
+
+ public AbstractEventHandler() {
+
+ }
+
+ protected void dispatch(Event event) {
+ dispatcher.dispatch(event);
+ }
+
+ @Override
+ public Dispatcher getDispatcher() {
+ return dispatcher;
+ }
+
+ @Override
+ public void setDispatcher(Dispatcher dispatcher) {
+ this.dispatcher = dispatcher;
+ }
+
+ @Override
+ public void handle(Event event) {
+ try {
+ doHandle(event);
+ } catch (Exception e) {
+ throw new RuntimeException(event.toString(), e);
+ }
+ }
+
+ protected abstract void doHandle(Event event) throws Exception;
+}
+
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/AbstractInternalEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/AbstractInternalEventHandler.java
new file mode 100644
index 0000000..bfed126
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/AbstractInternalEventHandler.java
@@ -0,0 +1,66 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+public abstract class AbstractInternalEventHandler extends AbstractEventHandler
+ implements InternalEventHandler {
+
+ private int id = -1;
+ protected EventHandler handler;
+
+ private static AtomicInteger idGen = new AtomicInteger(1);
+
+ public AbstractInternalEventHandler() {
+ super();
+
+ this.id = idGen.getAndIncrement();
+
+ init();
+ }
+
+ public AbstractInternalEventHandler(EventHandler handler) {
+ this();
+
+ this.handler = handler;
+ }
+
+ protected void setEventHandler(EventHandler handler) {
+ this.handler = handler;
+ }
+
+ @Override
+ public int id() {
+ return id;
+ }
+
+ public abstract void init();
+
+ protected void process(Event event) {
+ handler.handle(event);
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return handler.getInterestedEvents();
+ }
+}
+
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/BufferedEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/BufferedEventHandler.java
new file mode 100644
index 0000000..d3c1401
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/BufferedEventHandler.java
@@ -0,0 +1,49 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+/**
+ * An EventHandler wrapper buffering events and processing them later
+ */
+public abstract class BufferedEventHandler extends AbstractInternalEventHandler {
+
+ protected BlockingQueue<Event> eventQueue;
+
+ public BufferedEventHandler(EventHandler handler) {
+ super(handler);
+ }
+
+ public BufferedEventHandler() {
+ super();
+ }
+
+ @Override
+ public void init() {
+ this.eventQueue = new ArrayBlockingQueue<Event>(2);
+ }
+
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ eventQueue.put(event);
+ }
+}
\ No newline at end of file
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/Dispatcher.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/Dispatcher.java
new file mode 100644
index 0000000..f730745
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/Dispatcher.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+public interface Dispatcher {
+
+ void dispatch(Event event);
+
+ void register(EventHandler handler);
+
+ void register(InternalEventHandler internalHandler);
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/Event.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/Event.java
new file mode 100644
index 0000000..332ee0d
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/Event.java
@@ -0,0 +1,43 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+public class Event {
+
+ private EventType eventType;
+ private Object eventData;
+
+ public Event(EventType eventType) {
+ this.eventType = eventType;
+ }
+
+ public Event(EventType eventType, Object eventData) {
+ this.eventType = eventType;
+ this.eventData = eventData;
+ }
+
+ public EventType getEventType() {
+ return eventType;
+ }
+
+ public Object getEventData() {
+ return eventData;
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/EventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventHandler.java
new file mode 100644
index 0000000..27c4a44
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventHandler.java
@@ -0,0 +1,31 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+public interface EventHandler {
+
+ void handle(Event event);
+
+ EventType[] getInterestedEvents();
+
+ Dispatcher getDispatcher();
+
+ void setDispatcher(Dispatcher dispatcher);
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/EventHub.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventHub.java
new file mode 100644
index 0000000..9f10c88
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventHub.java
@@ -0,0 +1,193 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+public class EventHub implements Dispatcher {
+
+ private enum BuiltInEventType implements EventType {
+ STOP,
+ ALL
+ }
+
+ private boolean started = false;
+
+ private Map<Integer, InternalEventHandler> handlers =
+ new ConcurrentHashMap<Integer, InternalEventHandler>();
+
+ private Map<EventType, Set<Integer>> eventHandlersMap =
+ new ConcurrentHashMap<EventType, Set<Integer>>();
+
+ private InternalEventHandler builtInHandler;
+
+ class BuiltInEventHandler extends AbstractEventHandler {
+ public BuiltInEventHandler() {
+ super();
+ }
+
+ @Override
+ protected void doHandle(Event event) {
+
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return BuiltInEventType.values();
+ }
+ }
+
+ public EventHub() {
+ init();
+ }
+
+ private void init() {
+ EventHandler eh = new BuiltInEventHandler();
+ builtInHandler = new ExecutedEventHandler(eh);
+ register(builtInHandler);
+ }
+
+ @Override
+ public void dispatch(Event event) {
+ process(event);
+ }
+
+ @Override
+ public void register(EventHandler handler) {
+ handler.setDispatcher(this);
+ InternalEventHandler ieh = new ExecutedEventHandler(handler);
+ register(ieh);
+ }
+
+ @Override
+ public void register(InternalEventHandler handler) {
+ handler.setDispatcher(this);
+ handler.init();
+ handlers.put(handler.id(), handler);
+
+ if (started) {
+ handler.start();
+ }
+
+ EventType[] interestedEvents = handler.getInterestedEvents();
+ Set<Integer> tmpHandlers;
+ for (EventType eventType : interestedEvents) {
+ if (eventHandlersMap.containsKey(eventType)) {
+ tmpHandlers = eventHandlersMap.get(eventType);
+ } else {
+ tmpHandlers = new HashSet<Integer>();
+ eventHandlersMap.put(eventType, tmpHandlers);
+ }
+ tmpHandlers.add(handler.id());
+ }
+ }
+
+ public EventWaiter waitEvent(final EventType event) {
+ return waitEvent(new EventType[] { event } );
+ }
+
+ public EventWaiter waitEvent(final EventType... events) {
+ EventHandler handler = new AbstractEventHandler() {
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ // no op;
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return events;
+ }
+ };
+
+ handler.setDispatcher(this);
+ final WaitEventHandler waitEventHandler = new WaitEventHandler(handler);
+ register(waitEventHandler);
+ EventWaiter waiter = new EventWaiter() {
+ @Override
+ public Event waitEvent(EventType event) {
+ return waitEventHandler.waitEvent(event);
+ }
+
+ @Override
+ public Event waitEvent() {
+ return waitEventHandler.waitEvent();
+ }
+
+ @Override
+ public Event waitEvent(EventType event, long timeout,
+ TimeUnit timeUnit) throws TimeoutException {
+ return waitEventHandler.waitEvent(event, timeout, timeUnit);
+ }
+
+ @Override
+ public Event waitEvent(long timeout,
+ TimeUnit timeUnit) throws TimeoutException {
+ return waitEventHandler.waitEvent(timeout, timeUnit);
+ }
+ };
+
+ return waiter;
+ }
+
+ private void process(Event event) {
+ EventType eventType = event.getEventType();
+ InternalEventHandler handler;
+ Set<Integer> handlerIds;
+
+ if (eventHandlersMap.containsKey(eventType)) {
+ handlerIds = eventHandlersMap.get(eventType);
+ for (Integer hid : handlerIds) {
+ handler = handlers.get(hid);
+ handler.handle(event);
+ }
+ }
+
+ if (eventHandlersMap.containsKey(BuiltInEventType.ALL)) {
+ handlerIds = eventHandlersMap.get(BuiltInEventType.ALL);
+ for (Integer hid : handlerIds) {
+ handler = handlers.get(hid);
+ handler.handle(event);
+ }
+ }
+ }
+
+ public void start() {
+ if (!started) {
+ for (InternalEventHandler handler : handlers.values()) {
+ handler.start();
+ }
+ started = true;
+ }
+ }
+
+ public void stop() {
+ if (started) {
+ for (InternalEventHandler handler : handlers.values()) {
+ handler.stop();
+ }
+ started = false;
+ }
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/EventType.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventType.java
new file mode 100644
index 0000000..6a4a453
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventType.java
@@ -0,0 +1,24 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+public interface EventType {
+ // no op
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/EventWaiter.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventWaiter.java
new file mode 100644
index 0000000..dacc5eb
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/EventWaiter.java
@@ -0,0 +1,37 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+public interface EventWaiter {
+
+ Event waitEvent(EventType event);
+
+ Event waitEvent();
+
+ Event waitEvent(EventType event, long timeout,
+ TimeUnit timeUnit) throws TimeoutException;
+
+ Event waitEvent(long timeout,
+ TimeUnit timeUnit) throws TimeoutException;
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/ExecutedEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/ExecutedEventHandler.java
new file mode 100644
index 0000000..d094711
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/ExecutedEventHandler.java
@@ -0,0 +1,76 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ * An EventHandler wrapper processing events using an ExecutorService
+ */
+public class ExecutedEventHandler extends AbstractInternalEventHandler {
+
+ private ExecutorService executorService;
+
+ public ExecutedEventHandler(EventHandler handler) {
+ super(handler);
+ }
+
+ @Override
+ protected void doHandle(final Event event) throws Exception {
+ if (executorService.isTerminated()) {
+ return;
+ }
+
+ executorService.execute(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ process(event);
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+ });
+ }
+
+ @Override
+ public void start() {
+ executorService = Executors.newFixedThreadPool(2);
+ }
+
+ @Override
+ public void stop() {
+ if (executorService.isShutdown()) {
+ return;
+ }
+ executorService.shutdownNow();
+ }
+
+ @Override
+ public boolean isStopped() {
+ return executorService.isShutdown();
+ }
+
+ @Override
+ public void init() {
+
+ }
+}
\ No newline at end of file
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/InternalEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/InternalEventHandler.java
new file mode 100644
index 0000000..e7fafad
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/InternalEventHandler.java
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+public interface InternalEventHandler extends EventHandler {
+
+ int id();
+
+ void init();
+
+ void start();
+
+ void stop();
+
+ boolean isStopped();
+}
+
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/LongRunningEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/LongRunningEventHandler.java
new file mode 100644
index 0000000..10c1f0b
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/LongRunningEventHandler.java
@@ -0,0 +1,77 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public abstract class LongRunningEventHandler extends BufferedEventHandler {
+
+ private ExecutorService executorService;
+
+ public LongRunningEventHandler(EventHandler handler) {
+ super(handler);
+ }
+
+ public LongRunningEventHandler() {
+ super();
+ }
+
+ protected abstract void loopOnce();
+
+ @Override
+ public void start() {
+ executorService = Executors.newFixedThreadPool(1);
+ executorService.execute(new Runnable() {
+ @Override
+ public void run() {
+ while (true) {
+
+ processEvents();
+
+ loopOnce();
+ }
+ }
+ });
+ }
+
+ @Override
+ public void stop() {
+ if (executorService.isShutdown()) {
+ return;
+ }
+ executorService.shutdownNow();
+ }
+
+ @Override
+ public boolean isStopped() {
+ return executorService.isShutdown();
+ }
+
+ protected void processEvents() {
+ while (! eventQueue.isEmpty()) {
+ try {
+ process(eventQueue.take());
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/event/WaitEventHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/event/WaitEventHandler.java
new file mode 100644
index 0000000..da9c561
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/event/WaitEventHandler.java
@@ -0,0 +1,126 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.util.concurrent.*;
+
+public class WaitEventHandler extends BufferedEventHandler {
+
+ private ExecutorService executorService;
+
+ public WaitEventHandler(EventHandler handler) {
+ super(handler);
+ }
+
+ public Event waitEvent() {
+ return waitEvent(null);
+ }
+
+ public Event waitEvent(final EventType eventType) {
+ Future<Event> future = doWaitEvent(eventType);
+
+ try {
+ return future.get();
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ } catch (ExecutionException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public Event waitEvent(final EventType eventType,
+ long timeout, TimeUnit timeUnit) throws TimeoutException {
+ Future<Event> future = doWaitEvent(eventType);
+
+ try {
+ return future.get(timeout, timeUnit);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ } catch (ExecutionException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public Event waitEvent(long timeout, TimeUnit timeUnit) throws TimeoutException {
+ Future<Event> future = doWaitEvent(null);
+
+ try {
+ return future.get(timeout, timeUnit);
+ } catch (InterruptedException e) {
+ throw new RuntimeException(e);
+ } catch (ExecutionException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ private Future<Event> doWaitEvent(final EventType eventType) {
+ Future<Event> future = executorService.submit(new Callable<Event>() {
+ @Override
+ public Event call() throws Exception {
+ if (eventType != null) {
+ return checkEvent(eventType);
+ } else {
+ return checkEvent();
+ }
+ }
+ });
+
+ return future;
+ }
+
+ private Event checkEvent() throws Exception {
+ return eventQueue.take();
+ }
+
+ private Event checkEvent(EventType eventType) throws Exception {
+ while (true) {
+ if (eventQueue.size() == 1) {
+ if (eventQueue.peek().getEventType() == eventType) {
+ return eventQueue.take();
+ }
+ } else {
+ Event event = eventQueue.take();
+ if (event.getEventType() == eventType) {
+ return event;
+ } else {
+ eventQueue.put(event); // put back since not wanted
+ }
+ }
+ }
+ }
+
+ @Override
+ public void start() {
+ executorService = Executors.newFixedThreadPool(1);
+ }
+
+ @Override
+ public void stop() {
+ if (executorService.isShutdown()) {
+ return;
+ }
+ executorService.shutdown();
+ }
+
+ @Override
+ public boolean isStopped() {
+ return executorService.isShutdown();
+ }
+}
\ No newline at end of file
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/Acceptor.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Acceptor.java
new file mode 100644
index 0000000..efa827a
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Acceptor.java
@@ -0,0 +1,36 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import java.net.InetSocketAddress;
+
+public abstract class Acceptor extends TransportSelector {
+
+ public Acceptor(TransportHandler transportHandler) {
+ super(transportHandler);
+ }
+
+ public void listen(String address, int listenPort) {
+ InetSocketAddress socketAddress = new InetSocketAddress(address, listenPort);
+ doListen(socketAddress);
+ }
+
+ protected abstract void doListen(InetSocketAddress socketAddress);
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/Connector.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Connector.java
new file mode 100644
index 0000000..720f481
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Connector.java
@@ -0,0 +1,36 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import java.net.InetSocketAddress;
+
+public abstract class Connector extends TransportSelector {
+
+ public Connector(TransportHandler transportHandler) {
+ super(transportHandler);
+ }
+
+ public void connect(String serverAddress, int serverPort) {
+ InetSocketAddress sa = new InetSocketAddress(serverAddress, serverPort);
+ doConnect(sa);
+ }
+
+ protected abstract void doConnect(InetSocketAddress sa);
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/MessageHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/MessageHandler.java
new file mode 100644
index 0000000..d6ad01e
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/MessageHandler.java
@@ -0,0 +1,42 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+
+public abstract class MessageHandler extends AbstractEventHandler {
+
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ handleMessage((MessageEvent) event);
+ }
+
+ protected abstract void handleMessage(MessageEvent event) throws Exception;
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] { TransportEventType.INBOUND_MESSAGE };
+ }
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/Network.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Network.java
new file mode 100644
index 0000000..9ade687
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Network.java
@@ -0,0 +1,297 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.event.LongRunningEventHandler;
+import org.apache.kerby.transport.event.AddressEvent;
+import org.apache.kerby.transport.event.TransportEvent;
+import org.apache.kerby.transport.tcp.*;
+import org.apache.kerby.transport.udp.UdpAddressEvent;
+import org.apache.kerby.transport.udp.UdpEventType;
+import org.apache.kerby.transport.udp.UdpTransport;
+import org.apache.kerby.transport.udp.UdpTransportHandler;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.nio.channels.*;
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * A combined and mixed network facility handling UDP and TCP in both connect and accept sides
+ */
+public class Network extends LongRunningEventHandler {
+
+ private Selector selector;
+ private StreamingDecoder streamingDecoder;
+ private UdpTransportHandler udpTransportHandler;
+ private TcpTransportHandler tcpTransportHandler;
+
+ class MyEventHandler extends AbstractEventHandler {
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ if (event.getEventType() == UdpEventType.ADDRESS_CONNECT) {
+ doUdpConnect((AddressEvent) event);
+ } else if (event.getEventType() == UdpEventType.ADDRESS_BIND) {
+ doUdpBind((AddressEvent) event);
+ } else if (event.getEventType() == TcpEventType.ADDRESS_CONNECT) {
+ doTcpConnect((AddressEvent) event);
+ } else if (event.getEventType() == TcpEventType.ADDRESS_BIND) {
+ doTcpBind((AddressEvent) event);
+ }
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[]{
+ UdpEventType.ADDRESS_CONNECT,
+ UdpEventType.ADDRESS_BIND,
+ TcpEventType.ADDRESS_CONNECT,
+ TcpEventType.ADDRESS_BIND
+ };
+ }
+ }
+
+ public Network() {
+ setEventHandler(new MyEventHandler());
+ }
+
+ @Override
+ public void init() {
+ super.init();
+
+ try {
+ selector = Selector.open();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * TCP transport only, for decoding tcp streaming into messages
+ * @param streamingDecoder
+ */
+ public void setStreamingDecoder(StreamingDecoder streamingDecoder) {
+ this.streamingDecoder = streamingDecoder;
+ }
+
+ /**
+ * TCP only. Connect on the given server address. Can be called multiple times
+ * for multiple servers
+ * @param serverAddress
+ * @param serverPort
+ */
+ public void tcpConnect(String serverAddress, int serverPort) {
+ InetSocketAddress sa = new InetSocketAddress(serverAddress, serverPort);
+ checkTcpTransportHandler();
+ doTcpConnect(sa);
+ }
+
+ /**
+ * UDP only. Connect on the given server address. Can be called multiple times
+ * for multiple servers
+ * @param serverAddress
+ * @param serverPort
+ */
+ public void udpConnect(String serverAddress, int serverPort) {
+ InetSocketAddress sa = new InetSocketAddress(serverAddress, serverPort);
+ checkUdpTransportHandler();
+ doUdpConnect(sa);
+ }
+
+ /**
+ * TCP only. Listen and accept connections on the address. Can be called multiple
+ * times for multiple server addresses.
+ * @param serverAddress
+ * @param serverPort
+ */
+ public void tcpListen(String serverAddress, int serverPort) {
+ InetSocketAddress sa = new InetSocketAddress(serverAddress, serverPort);
+ checkTcpTransportHandler();
+ doTcpListen(sa);
+ }
+
+ /**
+ * UDP only. Listen and accept connections on the address. Can be called multiple
+ * times for multiple server addresses.
+ * @param serverAddress
+ * @param serverPort
+ */
+ public void udpListen(String serverAddress, int serverPort) {
+ InetSocketAddress sa = new InetSocketAddress(serverAddress, serverPort);
+ checkUdpTransportHandler();
+ doUdpListen(sa);
+ }
+
+ @Override
+ protected void loopOnce() {
+ try {
+ selectOnce();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ protected void selectOnce() throws IOException {
+ if (selector.isOpen() && selector.select(2) > 0 && selector.isOpen()) {
+ Set<SelectionKey> selectionKeys = selector.selectedKeys();
+ Iterator<SelectionKey> iterator = selectionKeys.iterator();
+ while (iterator.hasNext()) {
+ SelectionKey selectionKey = iterator.next();
+ dealKey(selectionKey);
+ iterator.remove();
+ }
+ selectionKeys.clear();
+ }
+ }
+
+ private void checkTcpTransportHandler() {
+ if (tcpTransportHandler == null) {
+ if (streamingDecoder == null) {
+ throw new IllegalArgumentException("No streaming decoder set yet");
+ }
+ tcpTransportHandler = new TcpTransportHandler(streamingDecoder);
+ getDispatcher().register(tcpTransportHandler);
+ }
+ }
+
+ private void checkUdpTransportHandler() {
+ if (udpTransportHandler == null) {
+ udpTransportHandler = new UdpTransportHandler();
+ getDispatcher().register(udpTransportHandler);
+ }
+ }
+
+ private void dealKey(SelectionKey selectionKey) throws IOException {
+ if (selectionKey.isConnectable()) {
+ doTcpConnect(selectionKey);
+ } else if (selectionKey.isAcceptable()) {
+ doTcpAccept(selectionKey);
+ } else {
+ helpHandleSelectionKey(selectionKey);
+ }
+ }
+
+ private void helpHandleSelectionKey(SelectionKey selectionKey) throws IOException {
+ SelectableChannel channel = selectionKey.channel();
+ if (channel instanceof DatagramChannel) {
+ udpTransportHandler.helpHandleSelectionKey(selectionKey);
+ } else {
+ tcpTransportHandler.helpHandleSelectionKey(selectionKey);
+ }
+ }
+
+ private void doUdpConnect(InetSocketAddress sa) {
+ AddressEvent event = UdpAddressEvent.createAddressConnectEvent(sa);
+ dispatch(event);
+ }
+
+ private void doUdpConnect(AddressEvent event) throws IOException {
+ InetSocketAddress address = event.getAddress();
+ DatagramChannel channel = DatagramChannel.open();
+ channel.configureBlocking(false);
+ channel.connect(address);
+
+ channel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE);
+
+ UdpTransport transport = new UdpTransport(channel, address);
+ onNewTransport(transport);
+ }
+
+ protected void doUdpListen(InetSocketAddress socketAddress) {
+ AddressEvent event = UdpAddressEvent.createAddressBindEvent(socketAddress);
+ dispatch(event);
+ }
+
+ private void doUdpBind(AddressEvent event) throws IOException {
+ DatagramChannel serverChannel = DatagramChannel.open();
+ serverChannel.configureBlocking(false);
+ serverChannel.bind(event.getAddress());
+ serverChannel.register(selector, SelectionKey.OP_READ);
+ }
+
+ protected void doTcpConnect(InetSocketAddress sa) {
+ AddressEvent event = TcpAddressEvent.createAddressConnectEvent(sa);
+ dispatch(event);
+ }
+
+ private void doTcpConnect(AddressEvent event) throws IOException {
+ SocketChannel channel = SocketChannel.open();
+ channel.configureBlocking(false);
+ channel.connect(event.getAddress());
+ channel.register(selector,
+ SelectionKey.OP_CONNECT | SelectionKey.OP_READ | SelectionKey.OP_WRITE);
+ }
+
+ private void doTcpConnect(SelectionKey key) throws IOException {
+ SocketChannel channel = (SocketChannel) key.channel();
+ if (channel.isConnectionPending()) {
+ channel.finishConnect();
+ }
+
+ Transport transport = new TcpTransport(channel, tcpTransportHandler.getStreamingDecoder());
+ channel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE, transport);
+ onNewTransport(transport);
+ }
+
+ protected void doTcpListen(InetSocketAddress socketAddress) {
+ AddressEvent event = TcpAddressEvent.createAddressBindEvent(socketAddress);
+ dispatch(event);
+ }
+
+ protected void doTcpAccept(SelectionKey key) throws IOException {
+ ServerSocketChannel server = (ServerSocketChannel) key.channel();
+ SocketChannel channel;
+
+ try {
+ while ((channel = server.accept()) != null) {
+ channel.configureBlocking(false);
+ channel.socket().setTcpNoDelay(true);
+ channel.socket().setKeepAlive(true);
+
+ Transport transport = new TcpTransport(channel,
+ tcpTransportHandler.getStreamingDecoder());
+
+ channel.register(selector,
+ SelectionKey.OP_READ | SelectionKey.OP_WRITE, transport);
+ onNewTransport(transport);
+ }
+ } catch (ClosedByInterruptException e) { //NOPMD
+ // No op as normal
+ }
+ }
+
+ protected void doTcpBind(AddressEvent event) throws IOException {
+ ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
+ serverSocketChannel.configureBlocking(false);
+ ServerSocket serverSocket = serverSocketChannel.socket();
+ serverSocket.bind(event.getAddress());
+ serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT, serverSocketChannel);
+ }
+
+ private void onNewTransport(Transport transport) {
+ transport.setDispatcher(getDispatcher());
+ dispatch(TransportEvent.createNewTransportEvent(transport));
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/Transport.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Transport.java
new file mode 100644
index 0000000..bdf2ff7
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/Transport.java
@@ -0,0 +1,84 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import org.apache.kerby.event.Dispatcher;
+import org.apache.kerby.transport.buffer.TransBuffer;
+import org.apache.kerby.transport.event.TransportEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+
+public abstract class Transport {
+ private InetSocketAddress remoteAddress;
+ protected Dispatcher dispatcher;
+ private Object attachment;
+
+ protected TransBuffer sendBuffer;
+
+ protected int readableCount = 0;
+ protected int writableCount = 0;
+
+ public Transport(InetSocketAddress remoteAddress) {
+ this.remoteAddress = remoteAddress;
+ this.sendBuffer = new TransBuffer();
+ }
+
+ public void setDispatcher(Dispatcher dispatcher) {
+ this.dispatcher = dispatcher;
+ }
+
+ public InetSocketAddress getRemoteAddress() {
+ return remoteAddress;
+ }
+
+ public void sendMessage(ByteBuffer message) {
+ if (message != null) {
+ sendBuffer.write(message);
+ dispatcher.dispatch(TransportEvent.createWritableTransportEvent(this));
+ }
+ }
+
+ public void onWriteable() throws IOException {
+ this.writableCount ++;
+
+ if (! sendBuffer.isEmpty()) {
+ ByteBuffer message = sendBuffer.read();
+ if (message != null) {
+ sendOutMessage(message);
+ }
+ }
+ }
+
+ public void onReadable() throws IOException {
+ this.readableCount++;
+ }
+
+ protected abstract void sendOutMessage(ByteBuffer message) throws IOException;
+
+ public void setAttachment(Object attachment) {
+ this.attachment = attachment;
+ }
+
+ public Object getAttachment() {
+ return attachment;
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/TransportHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/TransportHandler.java
new file mode 100644
index 0000000..e745e38
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/TransportHandler.java
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import org.apache.kerby.event.AbstractEventHandler;
+
+import java.io.IOException;
+import java.nio.channels.SelectionKey;
+
+/**
+ * Handling readable and writable events
+ */
+public abstract class TransportHandler extends AbstractEventHandler {
+
+ public abstract void helpHandleSelectionKey(SelectionKey selectionKey) throws IOException;
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/TransportSelector.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/TransportSelector.java
new file mode 100644
index 0000000..a4016a0
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/TransportSelector.java
@@ -0,0 +1,100 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport;
+
+import org.apache.kerby.event.Dispatcher;
+import org.apache.kerby.event.LongRunningEventHandler;
+import org.apache.kerby.transport.event.TransportEvent;
+
+import java.io.IOException;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.util.Iterator;
+import java.util.Set;
+
+public abstract class TransportSelector extends LongRunningEventHandler {
+
+ protected Selector selector;
+ protected TransportHandler transportHandler;
+
+ public TransportSelector(TransportHandler transportHandler) {
+ super();
+ this.transportHandler = transportHandler;
+ }
+
+ @Override
+ public void setDispatcher(Dispatcher dispatcher) {
+ super.setDispatcher(dispatcher);
+ dispatcher.register(transportHandler);
+ }
+
+ @Override
+ public void init() {
+ super.init();
+
+ try {
+ selector = Selector.open();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ @Override
+ protected void loopOnce() {
+ try {
+ selectOnce();
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ protected void selectOnce() throws IOException {
+ if (selector.isOpen() && selector.select(10) > 0 && selector.isOpen()) {
+ Set<SelectionKey> selectionKeys = selector.selectedKeys();
+ Iterator<SelectionKey> iterator = selectionKeys.iterator();
+ while (iterator.hasNext()) {
+ SelectionKey selectionKey = iterator.next();
+ dealKey(selectionKey);
+ iterator.remove();
+ }
+ selectionKeys.clear();
+ }
+ }
+
+ protected void dealKey(SelectionKey selectionKey) throws IOException {
+ transportHandler.helpHandleSelectionKey(selectionKey);
+ }
+
+ protected void onNewTransport(Transport transport) {
+ transport.setDispatcher(getDispatcher());
+ dispatch(TransportEvent.createNewTransportEvent(transport));
+ }
+
+ @Override
+ public void stop() {
+ super.stop();
+
+ try {
+ selector.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/BufferPool.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/BufferPool.java
new file mode 100644
index 0000000..7737c13
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/BufferPool.java
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.buffer;
+
+import java.nio.ByteBuffer;
+
+public class BufferPool {
+
+ public static ByteBuffer allocate(int len) {
+ return ByteBuffer.allocate(len);
+ }
+
+ public static void release(ByteBuffer buffer) {
+
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/BufferUtil.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/BufferUtil.java
new file mode 100644
index 0000000..f67ab09
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/BufferUtil.java
@@ -0,0 +1,42 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.buffer;
+
+import java.nio.BufferOverflowException;
+import java.nio.ByteBuffer;
+
+public class BufferUtil {
+
+ /**
+ * Read len bytes from src buffer
+ */
+ public static ByteBuffer read(ByteBuffer src, int len) {
+ if (len > src.remaining())
+ throw new BufferOverflowException();
+
+ ByteBuffer result = ByteBuffer.allocate(len);
+ int n = src.remaining();
+ for (int i = 0; i < n; i++) {
+ result.put(src.get());
+ }
+
+ return result;
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/RecvBuffer.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/RecvBuffer.java
new file mode 100644
index 0000000..2c190a3
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/RecvBuffer.java
@@ -0,0 +1,155 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.buffer;
+
+import java.nio.BufferOverflowException;
+import java.nio.ByteBuffer;
+import java.util.Iterator;
+import java.util.LinkedList;
+
+public class RecvBuffer {
+
+ private LinkedList<ByteBuffer> bufferQueue;
+
+ public RecvBuffer() {
+ bufferQueue = new LinkedList<ByteBuffer>();
+ }
+
+ public synchronized void write(ByteBuffer buffer) {
+ bufferQueue.addLast(buffer);
+ }
+
+ /**
+ * Put buffer as the first into the buffer queue
+ */
+ public synchronized void writeFirst(ByteBuffer buffer) {
+ bufferQueue.addFirst(buffer);
+ }
+
+ /**
+ * Read and return the first buffer if available
+ */
+ public synchronized ByteBuffer readFirst() {
+ if (! bufferQueue.isEmpty()) {
+ return bufferQueue.removeFirst();
+ }
+ return null;
+ }
+
+ /**
+ * Read most available bytes into the dst buffer
+ */
+ public synchronized ByteBuffer readMostBytes() {
+ int len = remaining();
+ return readBytes(len);
+ }
+
+ /**
+ * Read len bytes into the dst buffer if available
+ */
+ public synchronized ByteBuffer readBytes(int len) {
+ if (remaining() < len) { // no enough data that's available
+ throw new BufferOverflowException();
+ }
+
+ ByteBuffer result = null;
+
+ ByteBuffer takenBuffer;
+ if (bufferQueue.size() == 1) {
+ takenBuffer = bufferQueue.removeFirst();
+
+ if (takenBuffer.remaining() == len) {
+ return takenBuffer;
+ }
+
+ result = BufferPool.allocate(len);
+ for (int i = 0; i < len; i++) {
+ result.put(takenBuffer.get());
+ }
+ // Has left bytes so put it back for future reading
+ if (takenBuffer.remaining() > 0) {
+ bufferQueue.addFirst(takenBuffer);
+ }
+ } else {
+ result = BufferPool.allocate(len);
+
+ Iterator<ByteBuffer> iter = bufferQueue.iterator();
+ int alreadyGot = 0, toGet;
+ while (iter.hasNext()) {
+ takenBuffer = iter.next();
+ iter.remove();
+
+ toGet = takenBuffer.remaining() < len - alreadyGot ?
+ takenBuffer.remaining() : len -alreadyGot;
+ byte[] toGetBytes = new byte[toGet];
+ takenBuffer.get(toGetBytes);
+ result.put(toGetBytes);
+
+ if (takenBuffer.remaining() > 0) {
+ bufferQueue.addFirst(takenBuffer);
+ }
+
+ alreadyGot += toGet;
+ if (alreadyGot == len) {
+ break;
+ }
+ }
+ }
+ result.flip();
+
+ return result;
+ }
+
+ public boolean isEmpty() {
+ return bufferQueue.isEmpty();
+ }
+
+ /**
+ * Return count of remaining and left bytes that's available
+ */
+ public int remaining() {
+ if (bufferQueue.isEmpty()) {
+ return 0;
+ } else if (bufferQueue.size() == 1) {
+ return bufferQueue.getFirst().remaining();
+ }
+
+ int result = 0;
+ Iterator<ByteBuffer> iter = bufferQueue.iterator();
+ while (iter.hasNext()) {
+ result += iter.next().remaining();
+ }
+ return result;
+ }
+
+ public synchronized void clear() {
+ if (bufferQueue.isEmpty()) {
+ return;
+ } else if (bufferQueue.size() == 1) {
+ BufferPool.release(bufferQueue.getFirst());
+ }
+
+ Iterator<ByteBuffer> iter = bufferQueue.iterator();
+ while (iter.hasNext()) {
+ BufferPool.release(iter.next());
+ }
+ bufferQueue.clear();
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/TransBuffer.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/TransBuffer.java
new file mode 100644
index 0000000..079a6cd
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/buffer/TransBuffer.java
@@ -0,0 +1,49 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.buffer;
+
+import java.nio.ByteBuffer;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+public class TransBuffer {
+
+ private BlockingQueue<ByteBuffer> bufferQueue;
+
+ public TransBuffer() {
+ bufferQueue = new ArrayBlockingQueue<ByteBuffer>(2);
+ }
+
+ public void write(ByteBuffer buffer) {
+ bufferQueue.add(buffer);
+ }
+
+ public void write(byte[] buffer) {
+ write(ByteBuffer.wrap(buffer));
+ }
+
+ public ByteBuffer read() {
+ return bufferQueue.poll();
+ }
+
+ public boolean isEmpty() {
+ return bufferQueue.isEmpty();
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/AddressEvent.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/AddressEvent.java
new file mode 100644
index 0000000..80340c8
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/AddressEvent.java
@@ -0,0 +1,39 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.event;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+
+import java.net.InetSocketAddress;
+
+public class AddressEvent extends Event {
+
+ private InetSocketAddress address;
+
+ public AddressEvent(InetSocketAddress address, EventType eventType) {
+ super(eventType);
+ this.address = address;
+ }
+
+ public InetSocketAddress getAddress() {
+ return address;
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/MessageEvent.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/MessageEvent.java
new file mode 100644
index 0000000..b9d48eb
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/MessageEvent.java
@@ -0,0 +1,41 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.event;
+
+import org.apache.kerby.transport.Transport;
+
+import java.nio.ByteBuffer;
+
+public class MessageEvent extends TransportEvent {
+
+ private MessageEvent(Transport transport, ByteBuffer message) {
+ super(transport, TransportEventType.INBOUND_MESSAGE, message);
+ }
+
+ public ByteBuffer getMessage() {
+ return (ByteBuffer) getEventData();
+ }
+
+ public static MessageEvent createInboundMessageEvent(
+ Transport transport, ByteBuffer message) {
+ return new MessageEvent(transport, message);
+ }
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/TransportEvent.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/TransportEvent.java
new file mode 100644
index 0000000..3c2ae34
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/TransportEvent.java
@@ -0,0 +1,56 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.event;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Transport;
+
+public class TransportEvent extends Event {
+
+ private Transport transport;
+
+ public TransportEvent(Transport transport, EventType eventType) {
+ super(eventType);
+ this.transport = transport;
+ }
+
+ public TransportEvent(Transport transport, EventType eventType, Object eventData) {
+ super(eventType, eventData);
+ this.transport = transport;
+ }
+
+ public Transport getTransport() {
+ return transport;
+ }
+
+ public static TransportEvent createWritableTransportEvent(Transport transport) {
+ return new TransportEvent(transport, TransportEventType.TRANSPORT_WRITABLE);
+ }
+
+ public static TransportEvent createReadableTransportEvent(Transport transport) {
+ return new TransportEvent(transport, TransportEventType.TRANSPORT_READABLE);
+ }
+
+ public static TransportEvent createNewTransportEvent(Transport transport) {
+ return new TransportEvent(transport, TransportEventType.NEW_TRANSPORT);
+ }
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/TransportEventType.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/TransportEventType.java
new file mode 100644
index 0000000..6036c02
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/event/TransportEventType.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.event;
+
+import org.apache.kerby.event.EventType;
+
+public enum TransportEventType implements EventType {
+ NEW_TRANSPORT,
+ TRANSPORT_WRITABLE,
+ TRANSPORT_READABLE,
+ INBOUND_MESSAGE
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/DecodingCallback.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/DecodingCallback.java
new file mode 100644
index 0000000..561f78f
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/DecodingCallback.java
@@ -0,0 +1,38 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+public interface DecodingCallback {
+
+ /**
+ * OK, enough data is ready, a message can be out
+ */
+ void onMessageComplete(int messageLength, int adjustOffset);
+
+ /**
+ * Need more data to be available
+ */
+ void onMoreDataNeeded();
+
+ /**
+ * Need more data to be available, with determined more data length given
+ */
+ void onMoreDataNeeded(int needDataLength);
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/StreamingDecoder.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/StreamingDecoder.java
new file mode 100644
index 0000000..953b34a
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/StreamingDecoder.java
@@ -0,0 +1,26 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import java.nio.ByteBuffer;
+
+public interface StreamingDecoder {
+ void decode(ByteBuffer streamingBuffer, DecodingCallback callback);
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpAcceptor.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpAcceptor.java
new file mode 100644
index 0000000..752f5d7
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpAcceptor.java
@@ -0,0 +1,112 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Acceptor;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.AddressEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.nio.channels.ClosedByInterruptException;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+
+public class TcpAcceptor extends Acceptor {
+
+ public TcpAcceptor(StreamingDecoder streamingDecoder) {
+ this(new TcpTransportHandler(streamingDecoder));
+ }
+
+ public TcpAcceptor(TcpTransportHandler transportHandler) {
+ super(transportHandler);
+
+ setEventHandler(new AbstractEventHandler() {
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ if (event.getEventType() == TcpEventType.ADDRESS_BIND) {
+ try {
+ doBind((AddressEvent) event);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] {
+ TcpEventType.ADDRESS_BIND
+ };
+ }
+ });
+ }
+
+ @Override
+ protected void doListen(InetSocketAddress socketAddress) {
+ AddressEvent event = TcpAddressEvent.createAddressBindEvent(socketAddress);
+ dispatch(event);
+ }
+
+ @Override
+ protected void dealKey(SelectionKey selectionKey) throws IOException {
+ if (selectionKey.isAcceptable()) {
+ doAccept(selectionKey);
+ } else {
+ super.dealKey(selectionKey);
+ }
+ }
+
+ void doAccept(SelectionKey key) throws IOException {
+ ServerSocketChannel server = (ServerSocketChannel) key.channel();
+ SocketChannel channel;
+
+ try {
+ while ((channel = server.accept()) != null) {
+ channel.configureBlocking(false);
+ channel.socket().setTcpNoDelay(true);
+ channel.socket().setKeepAlive(true);
+
+ Transport transport = new TcpTransport(channel,
+ ((TcpTransportHandler) transportHandler).getStreamingDecoder());
+
+ channel.register(selector,
+ SelectionKey.OP_READ | SelectionKey.OP_WRITE, transport);
+ onNewTransport(transport);
+ }
+ } catch (ClosedByInterruptException e) { //NOPMD
+ // No op as normal
+ }
+ }
+
+ protected void doBind(AddressEvent event) throws IOException {
+ ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
+ serverSocketChannel.configureBlocking(false);
+ ServerSocket serverSocket = serverSocketChannel.socket();
+ serverSocket.bind(event.getAddress());
+ serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT, serverSocketChannel);
+ }
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpAddressEvent.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpAddressEvent.java
new file mode 100644
index 0000000..500d224
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpAddressEvent.java
@@ -0,0 +1,36 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import org.apache.kerby.transport.event.AddressEvent;
+
+import java.net.InetSocketAddress;
+
+public class TcpAddressEvent {
+
+ public static AddressEvent createAddressBindEvent(InetSocketAddress address) {
+ return new AddressEvent(address, TcpEventType.ADDRESS_BIND);
+ }
+
+ public static AddressEvent createAddressConnectEvent(InetSocketAddress address) {
+ return new AddressEvent(address, TcpEventType.ADDRESS_CONNECT);
+ }
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpConnector.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpConnector.java
new file mode 100644
index 0000000..e460961
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpConnector.java
@@ -0,0 +1,94 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Connector;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.AddressEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.SocketChannel;
+
+public class TcpConnector extends Connector {
+
+ public TcpConnector(StreamingDecoder streamingDecoder) {
+ this(new TcpTransportHandler(streamingDecoder));
+ }
+
+ public TcpConnector(TcpTransportHandler transportHandler) {
+ super(transportHandler);
+
+ setEventHandler(new AbstractEventHandler() {
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ if (event.getEventType() == TcpEventType.ADDRESS_CONNECT) {
+ doConnect((AddressEvent) event);
+ }
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] {
+ TcpEventType.ADDRESS_CONNECT
+ };
+ }
+ });
+ }
+
+ @Override
+ protected void doConnect(InetSocketAddress sa) {
+ AddressEvent event = TcpAddressEvent.createAddressConnectEvent(sa);
+ dispatch(event);
+ }
+
+ private void doConnect(AddressEvent event) throws IOException {
+ SocketChannel channel = SocketChannel.open();
+ channel.configureBlocking(false);
+ channel.connect(event.getAddress());
+ channel.register(selector,
+ SelectionKey.OP_CONNECT | SelectionKey.OP_READ | SelectionKey.OP_WRITE);
+ }
+
+ @Override
+ protected void dealKey(SelectionKey selectionKey) throws IOException {
+ if (selectionKey.isConnectable()) {
+ doConnect(selectionKey);
+ } else {
+ super.dealKey(selectionKey);
+ }
+ }
+
+ private void doConnect(SelectionKey key) throws IOException {
+ SocketChannel channel = (SocketChannel) key.channel();
+ if (channel.isConnectionPending()) {
+ channel.finishConnect();
+ }
+
+ Transport transport = new TcpTransport(channel,
+ ((TcpTransportHandler) transportHandler).getStreamingDecoder());
+ channel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE, transport);
+ onNewTransport(transport);
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpEventType.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpEventType.java
new file mode 100644
index 0000000..e754fa5
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpEventType.java
@@ -0,0 +1,27 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import org.apache.kerby.event.EventType;
+
+public enum TcpEventType implements EventType {
+ ADDRESS_BIND,
+ ADDRESS_CONNECT
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpTransport.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpTransport.java
new file mode 100644
index 0000000..57705ca
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpTransport.java
@@ -0,0 +1,116 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.buffer.BufferPool;
+import org.apache.kerby.transport.buffer.RecvBuffer;
+import org.apache.kerby.transport.event.MessageEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+
+public class TcpTransport extends Transport {
+
+ private SocketChannel channel;
+
+ private StreamingDecoder streamingDecoder;
+
+ private RecvBuffer recvBuffer;
+
+ public TcpTransport(SocketChannel channel,
+ StreamingDecoder streamingDecoder) throws IOException {
+ super((InetSocketAddress) channel.getRemoteAddress());
+ this.channel = channel;
+ this.streamingDecoder = streamingDecoder;
+
+ this.recvBuffer = new RecvBuffer();
+ }
+
+ @Override
+ protected void sendOutMessage(ByteBuffer message) throws IOException {
+ channel.write(message);
+ }
+
+ public void onReadable() throws IOException {
+ ByteBuffer writeBuffer = BufferPool.allocate(65536);
+ if (channel.read(writeBuffer) <= 0) {
+ BufferPool.release(writeBuffer);
+ return;
+ }
+
+ writeBuffer.flip();
+ recvBuffer.write(writeBuffer);
+
+ WithReadDataHander rdHandler = new WithReadDataHander();
+ rdHandler.handle();
+ }
+
+ class WithReadDataHander implements DecodingCallback {
+ private ByteBuffer streamingBuffer;
+
+ @Override
+ public void onMessageComplete(int messageLength, int adjustOffset) {
+ ByteBuffer message = null;
+
+ int remaining = streamingBuffer.remaining();
+ if (remaining == messageLength) {
+ message = streamingBuffer;
+ } else if (remaining > messageLength) {
+ message = streamingBuffer.duplicate();
+ int newLimit = streamingBuffer.position() + messageLength;
+ message.limit(newLimit);
+
+ streamingBuffer.position(newLimit);
+ recvBuffer.writeFirst(streamingBuffer);
+ }
+
+ if (message != null) {
+ if (adjustOffset > 0) {
+ message.position(message.position() + adjustOffset);
+ }
+ dispatcher.dispatch(MessageEvent.createInboundMessageEvent(
+ TcpTransport.this, message));
+ }
+ }
+
+ @Override
+ public void onMoreDataNeeded() {
+ recvBuffer.writeFirst(streamingBuffer);
+ }
+
+ @Override
+ public void onMoreDataNeeded(int needDataLength) {
+ recvBuffer.writeFirst(streamingBuffer);
+ }
+
+ public void handle() {
+ if (recvBuffer.isEmpty()) {
+ return;
+ }
+
+ streamingBuffer = recvBuffer.readMostBytes();
+
+ streamingDecoder.decode(streamingBuffer.duplicate(), this);
+ }
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpTransportHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpTransportHandler.java
new file mode 100644
index 0000000..ad010ed
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/tcp/TcpTransportHandler.java
@@ -0,0 +1,77 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.tcp;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.apache.kerby.transport.TransportHandler;
+import org.apache.kerby.transport.event.TransportEvent;
+
+import java.io.IOException;
+import java.nio.channels.SelectionKey;
+
+public class TcpTransportHandler extends TransportHandler {
+
+ private StreamingDecoder streamingDecoder;
+
+ public TcpTransportHandler(StreamingDecoder streamingDecoder) {
+ this.streamingDecoder = streamingDecoder;
+ }
+
+ public StreamingDecoder getStreamingDecoder() {
+ return streamingDecoder;
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new TransportEventType[] {
+ TransportEventType.TRANSPORT_READABLE,
+ TransportEventType.TRANSPORT_WRITABLE
+ };
+ }
+
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ EventType eventType = event.getEventType();
+ TransportEvent te = (TransportEvent) event;
+ Transport transport = te.getTransport();
+ if (eventType == TransportEventType.TRANSPORT_READABLE) {
+ transport.onReadable();
+ } else if (eventType == TransportEventType.TRANSPORT_WRITABLE) {
+ transport.onWriteable();
+ }
+ }
+
+ @Override
+ public void helpHandleSelectionKey(SelectionKey selectionKey) throws IOException {
+ if (selectionKey.isReadable()) {
+ selectionKey.interestOps(SelectionKey.OP_READ | SelectionKey.OP_WRITE);
+ TcpTransport transport = (TcpTransport) selectionKey.attachment();
+ dispatch(TransportEvent.createReadableTransportEvent(transport));
+ } else if (selectionKey.isWritable()) {
+ selectionKey.interestOps(SelectionKey.OP_READ);
+ TcpTransport transport = (TcpTransport) selectionKey.attachment();
+ dispatch(TransportEvent.createWritableTransportEvent(transport));
+ }
+ }
+}
+
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpAcceptor.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpAcceptor.java
new file mode 100644
index 0000000..974f871
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpAcceptor.java
@@ -0,0 +1,84 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Acceptor;
+import org.apache.kerby.transport.event.AddressEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.SelectionKey;
+
+public class UdpAcceptor extends Acceptor {
+
+ private DatagramChannel serverChannel;
+
+ public UdpAcceptor() {
+ this(new UdpTransportHandler());
+ }
+
+ public UdpAcceptor(UdpTransportHandler udpTransportHandler) {
+ super(udpTransportHandler);
+
+ setEventHandler(new AbstractEventHandler() {
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ if (event.getEventType() == UdpEventType.ADDRESS_BIND) {
+ doBind((AddressEvent) event);
+ }
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] {
+ UdpEventType.ADDRESS_BIND
+ };
+ }
+ });
+ }
+
+ @Override
+ protected void doListen(InetSocketAddress socketAddress) {
+ AddressEvent event = UdpAddressEvent.createAddressBindEvent(socketAddress);
+ dispatch(event);
+ }
+
+ private void doBind(AddressEvent event) throws IOException {
+ serverChannel = DatagramChannel.open();
+ serverChannel.configureBlocking(false);
+ serverChannel.bind(event.getAddress());
+ serverChannel.register(selector, SelectionKey.OP_READ);
+ }
+
+ @Override
+ public void stop() {
+ super.stop();
+
+ try {
+ serverChannel.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpAddressEvent.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpAddressEvent.java
new file mode 100644
index 0000000..b29100e
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpAddressEvent.java
@@ -0,0 +1,36 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.transport.event.AddressEvent;
+
+import java.net.InetSocketAddress;
+
+public class UdpAddressEvent {
+
+ public static AddressEvent createAddressBindEvent(InetSocketAddress address) {
+ return new AddressEvent(address, UdpEventType.ADDRESS_BIND);
+ }
+
+ public static AddressEvent createAddressConnectEvent(InetSocketAddress address) {
+ return new AddressEvent(address, UdpEventType.ADDRESS_CONNECT);
+ }
+
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpChannelEvent.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpChannelEvent.java
new file mode 100644
index 0000000..e5dd7b2
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpChannelEvent.java
@@ -0,0 +1,47 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+
+import java.nio.channels.DatagramChannel;
+
+public class UdpChannelEvent extends Event {
+
+ private DatagramChannel channel;
+
+ private UdpChannelEvent(DatagramChannel channel, EventType eventType) {
+ super(eventType);
+ this.channel = channel;
+ }
+
+ public DatagramChannel getChannel() {
+ return channel;
+ }
+
+ public static UdpChannelEvent makeWritableChannelEvent(DatagramChannel channel) {
+ return new UdpChannelEvent(channel, UdpEventType.CHANNEL_WRITABLE);
+ }
+
+ public static UdpChannelEvent makeReadableChannelEvent(DatagramChannel channel) {
+ return new UdpChannelEvent(channel, UdpEventType.CHANNEL_READABLE);
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpConnector.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpConnector.java
new file mode 100644
index 0000000..9234a8c
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpConnector.java
@@ -0,0 +1,76 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.event.AbstractEventHandler;
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Connector;
+import org.apache.kerby.transport.event.AddressEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.SelectionKey;
+
+public class UdpConnector extends Connector {
+
+ public UdpConnector() {
+ this(new UdpTransportHandler());
+ }
+
+ public UdpConnector(UdpTransportHandler transportHandler) {
+ super(transportHandler);
+
+ setEventHandler(new AbstractEventHandler() {
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ if (event.getEventType() == UdpEventType.ADDRESS_CONNECT) {
+ doConnect((AddressEvent) event);
+ }
+ }
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] {
+ UdpEventType.ADDRESS_CONNECT
+ };
+ }
+ });
+ }
+
+ @Override
+ protected void doConnect(InetSocketAddress sa) {
+ AddressEvent event = UdpAddressEvent.createAddressConnectEvent(sa);
+ dispatch(event);
+ }
+
+ private void doConnect(AddressEvent event) throws IOException {
+ InetSocketAddress address = event.getAddress();
+ DatagramChannel channel = DatagramChannel.open();
+ channel.configureBlocking(false);
+ channel.connect(address);
+
+ channel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE);
+
+ UdpTransport transport = new UdpTransport(channel, address);
+ onNewTransport(transport);
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpEventType.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpEventType.java
new file mode 100644
index 0000000..d291f75
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpEventType.java
@@ -0,0 +1,29 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.event.EventType;
+
+public enum UdpEventType implements EventType {
+ ADDRESS_BIND,
+ ADDRESS_CONNECT,
+ CHANNEL_WRITABLE,
+ CHANNEL_READABLE
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpTransport.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpTransport.java
new file mode 100644
index 0000000..fe11a64
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpTransport.java
@@ -0,0 +1,65 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.buffer.TransBuffer;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEvent;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+
+public class UdpTransport extends Transport {
+ private DatagramChannel channel;
+
+ protected TransBuffer recvBuffer;
+
+ public UdpTransport(DatagramChannel channel,
+ InetSocketAddress remoteAddress) {
+ super(remoteAddress);
+ this.channel = channel;
+ this.recvBuffer = new TransBuffer();
+ }
+
+ protected void onRecvData(ByteBuffer data) {
+ if (data != null) {
+ recvBuffer.write(data);
+ dispatcher.dispatch(TransportEvent.createReadableTransportEvent(this));
+ }
+ }
+
+ @Override
+ public void onReadable() throws IOException {
+ super.onReadable();
+
+ if (! recvBuffer.isEmpty()) {
+ ByteBuffer message = recvBuffer.read();
+ dispatcher.dispatch(MessageEvent.createInboundMessageEvent(this, message));
+ }
+ }
+
+ @Override
+ protected void sendOutMessage(ByteBuffer message) throws IOException {
+ channel.send(message, getRemoteAddress());
+ }
+}
diff --git a/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpTransportHandler.java b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpTransportHandler.java
new file mode 100644
index 0000000..fc02bf5
--- /dev/null
+++ b/lib/kerby-event/src/main/java/org/apache/kerby/transport/udp/UdpTransportHandler.java
@@ -0,0 +1,109 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.transport.udp;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.TransportHandler;
+import org.apache.kerby.transport.event.TransportEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.SelectionKey;
+import java.util.HashMap;
+import java.util.Map;
+
+public class UdpTransportHandler extends TransportHandler {
+
+ protected Map<InetSocketAddress, UdpTransport> transports =
+ new HashMap<InetSocketAddress, UdpTransport>();
+
+ @Override
+ public EventType[] getInterestedEvents() {
+ return new EventType[] {
+ UdpEventType.CHANNEL_READABLE,
+ TransportEventType.TRANSPORT_WRITABLE,
+ TransportEventType.TRANSPORT_READABLE,
+ TransportEventType.NEW_TRANSPORT
+ };
+ }
+
+ @Override
+ protected void doHandle(Event event) throws Exception {
+ EventType eventType = event.getEventType();
+ if (eventType == UdpEventType.CHANNEL_READABLE) {
+ UdpChannelEvent ce = (UdpChannelEvent) event;
+ DatagramChannel channel = ce.getChannel();
+ doRead(channel);
+ } else if (eventType == TransportEventType.TRANSPORT_READABLE) {
+ TransportEvent te = (TransportEvent) event;
+ Transport transport = te.getTransport();
+ transport.onReadable();
+ } else if (eventType == TransportEventType.TRANSPORT_WRITABLE) {
+ TransportEvent te = (TransportEvent) event;
+ Transport transport = te.getTransport();
+ transport.onWriteable();
+ } else if (eventType == TransportEventType.NEW_TRANSPORT) {
+ TransportEvent te = (TransportEvent) event;
+ Transport transport = te.getTransport();
+ if (transport instanceof UdpTransport) {
+ InetSocketAddress remoteAddress = transport.getRemoteAddress();
+ if (! transports.containsKey(remoteAddress)) {
+ transports.put(remoteAddress, (UdpTransport) transport);
+ }
+ }
+ }
+ }
+
+ private void doRead(DatagramChannel channel) throws IOException {
+ ByteBuffer recvBuffer = ByteBuffer.allocate(65536); // to optimize
+ InetSocketAddress fromAddress = (InetSocketAddress) channel.receive(recvBuffer);
+ if (fromAddress != null) {
+ recvBuffer.flip();
+ UdpTransport transport = transports.get(fromAddress);
+ if (transport == null) {
+ // should be from acceptor
+ transport = new UdpTransport(channel, fromAddress);
+ transport.setDispatcher(getDispatcher());
+ dispatch(TransportEvent.createNewTransportEvent(transport));
+ }
+ transport.onRecvData(recvBuffer);
+ }
+ }
+
+ @Override
+ public void helpHandleSelectionKey(SelectionKey selectionKey) throws IOException {
+ DatagramChannel channel =
+ (DatagramChannel) selectionKey.channel();
+
+ if (selectionKey.isReadable()) {
+ dispatch(UdpChannelEvent.makeReadableChannelEvent(channel));
+ } else if (selectionKey.isWritable()) {
+ dispatch(UdpChannelEvent.makeWritableChannelEvent(channel));
+ }
+ // Udp channel is always writable, so not usable
+ selectionKey.interestOps(SelectionKey.OP_READ);
+ }
+}
+
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/NetworkUtil.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/NetworkUtil.java
new file mode 100644
index 0000000..7e3e22e
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/NetworkUtil.java
@@ -0,0 +1,47 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import java.io.IOException;
+import java.net.ServerSocket;
+
+/**
+ * Some network and event testing utilities.
+ */
+public class NetworkUtil {
+
+ /**
+ * Get a server socket point for testing usage, either TCP or UDP.
+ * @return server socket point
+ */
+ public static int getServerPort() {
+ int serverPort = 0;
+
+ try {
+ ServerSocket serverSocket = new ServerSocket(0);
+ serverPort = serverSocket.getLocalPort();
+ serverSocket.close();
+ } catch (IOException e) {
+ throw new RuntimeException("Failed to get a server socket point");
+ }
+
+ return serverPort;
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/TestBuffer.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/TestBuffer.java
new file mode 100644
index 0000000..d7b0778
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/TestBuffer.java
@@ -0,0 +1,51 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event;
+
+import org.apache.kerby.transport.buffer.RecvBuffer;
+import org.junit.Test;
+
+import java.nio.ByteBuffer;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestBuffer {
+
+ @Test
+ public void testRecvBuffer() {
+ String testString = "HELLO WORLD";
+ ByteBuffer testMessage = ByteBuffer.wrap(testString.getBytes());
+ ByteBuffer tmp;
+
+ RecvBuffer testBuffer = new RecvBuffer();
+ testBuffer.write(testMessage);
+ tmp = testBuffer.readMostBytes();
+ assertThat(tmp.array()).isEqualTo(testString.getBytes());
+
+ int nTimes = 10;
+ testBuffer.clear();
+ for (int i = 0; i < nTimes; ++i) {
+ testBuffer.write(ByteBuffer.wrap(testString.getBytes()));
+ }
+ int expectedBytes = nTimes * testMessage.limit();
+ tmp = testBuffer.readMostBytes();
+ assertThat(tmp.limit()).isEqualTo(expectedBytes);
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkBase.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkBase.java
new file mode 100644
index 0000000..2ef7241
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkBase.java
@@ -0,0 +1,64 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.network;
+
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.event.NetworkUtil;
+import org.apache.kerby.transport.tcp.DecodingCallback;
+import org.apache.kerby.transport.tcp.StreamingDecoder;
+
+import java.nio.ByteBuffer;
+
+public class TestNetworkBase {
+ protected String serverHost = "127.0.0.1";
+ protected int tcpPort = 0;
+ protected int udpPort = 0;
+ protected String TEST_MESSAGE = "Hello world!";
+ protected String clientRecvedMessage;
+
+ protected enum TestEventType implements EventType {
+ FINISHED
+ }
+
+ protected void preparePorts() {
+ tcpPort = NetworkUtil.getServerPort();
+ udpPort = NetworkUtil.getServerPort();
+ }
+
+ protected String recvBuffer2String(ByteBuffer buffer) {
+ byte[] bytes = new byte[buffer.remaining()];
+ buffer.get(bytes);
+ return new String(bytes);
+ }
+
+ protected StreamingDecoder createStreamingDecoder() {
+ return new StreamingDecoder() {
+ @Override
+ public void decode(ByteBuffer streamingBuffer, DecodingCallback callback) {
+ int expectedMessageLength = TEST_MESSAGE.getBytes().length;
+ if (streamingBuffer.remaining() >= expectedMessageLength) {
+ callback.onMessageComplete(expectedMessageLength, -1);
+ } else {
+ callback.onMoreDataNeeded(expectedMessageLength);
+ }
+ }
+ };
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkClient.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkClient.java
new file mode 100644
index 0000000..7d00d58
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkClient.java
@@ -0,0 +1,213 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.network;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventHandler;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.event.EventWaiter;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.Network;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.DatagramSocket;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.nio.ByteBuffer;
+import java.nio.channels.*;
+import java.util.Iterator;
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestNetworkClient extends TestNetworkBase {
+
+ private EventHub eventHub;
+ private EventWaiter eventWaiter;
+
+ @Before
+ public void setUp() throws IOException {
+ preparePorts();
+
+ setUpServer();
+ setUpClient();
+ }
+
+ private void setUpServer() {
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ doRunTcpServer();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }).start();
+
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ doRunUdpServer();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }).start();
+ }
+
+ private void doRunTcpServer() throws IOException {
+ Selector selector = Selector.open();
+ ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
+ serverSocketChannel.configureBlocking(false);
+ ServerSocket serverSocket = serverSocketChannel.socket();
+ serverSocket.bind(new InetSocketAddress(tcpPort));
+ serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT);
+
+ SocketChannel socketChannel;
+ while (true) {
+ if (selector.selectNow() > 0) {
+ Set<SelectionKey> selectionKeys = selector.selectedKeys();
+ Iterator<SelectionKey> iterator = selectionKeys.iterator();
+ while (iterator.hasNext()) {
+ SelectionKey selectionKey = iterator.next();
+ iterator.remove();
+
+ if (selectionKey.isAcceptable()) {
+ while ((socketChannel = serverSocketChannel.accept()) != null) {
+ socketChannel.configureBlocking(false);
+ socketChannel.socket().setTcpNoDelay(true);
+ socketChannel.socket().setKeepAlive(true);
+ socketChannel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE, socketChannel);
+ //selectionKey.attach(socketChannel);
+ }
+ } else if (selectionKey.isReadable()) {
+ ByteBuffer recvBuffer = ByteBuffer.allocate(65536);
+ socketChannel = (SocketChannel) selectionKey.attachment();
+ if (socketChannel.read(recvBuffer) > 0) {
+ recvBuffer.flip();
+ socketChannel.write(recvBuffer);
+ }
+ }
+ }
+
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ }
+
+ private void doRunUdpServer() throws IOException {
+ Selector selector = Selector.open();
+ DatagramChannel serverSocketChannel = DatagramChannel.open();
+ serverSocketChannel.configureBlocking(false);
+ DatagramSocket serverSocket = serverSocketChannel.socket();
+ serverSocket.bind(new InetSocketAddress(udpPort));
+ serverSocketChannel.register(selector, SelectionKey.OP_READ);
+
+ while (true) {
+ if (selector.selectNow() > 0) {
+ Set<SelectionKey> selectionKeys = selector.selectedKeys();
+ Iterator<SelectionKey> iterator = selectionKeys.iterator();
+ while (iterator.hasNext()) {
+ SelectionKey selectionKey = iterator.next();
+ iterator.remove();
+ if (selectionKey.isReadable()) {
+ ByteBuffer recvBuffer = ByteBuffer.allocate(65536);
+ InetSocketAddress fromAddress = (InetSocketAddress) serverSocketChannel.receive(recvBuffer);
+ if (fromAddress != null) {
+ recvBuffer.flip();
+ serverSocketChannel.send(recvBuffer, fromAddress);
+ }
+ }
+ }
+
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ }
+
+ private void setUpClient() throws IOException {
+ eventHub = new EventHub();
+
+ EventHandler messageHandler = new MessageHandler() {
+ @Override
+ protected void handleMessage(MessageEvent event) {
+ if (event.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ ByteBuffer buffer = event.getMessage();
+ if (buffer != null) {
+ clientRecvedMessage = recvBuffer2String(buffer);
+ System.out.println("Recved clientRecvedMessage: " + clientRecvedMessage);
+ Boolean result = TEST_MESSAGE.equals(clientRecvedMessage);
+ dispatch(new Event(TestEventType.FINISHED, result));
+ }
+ }
+ }
+ };
+ eventHub.register(messageHandler);
+
+ Network network = new Network();
+ network.setStreamingDecoder(createStreamingDecoder());
+ eventHub.register(network);
+
+ eventWaiter = eventHub.waitEvent(
+ TestEventType.FINISHED,
+ TransportEventType.NEW_TRANSPORT);
+
+ eventHub.start();
+ network.tcpConnect(serverHost, tcpPort);
+ network.udpConnect(serverHost, udpPort);
+ }
+
+ @Test
+ public void testNetworkClient() {
+ Event event = eventWaiter.waitEvent(TransportEventType.NEW_TRANSPORT);
+ Transport transport = ((TransportEvent) event).getTransport();
+ transport.sendMessage(ByteBuffer.wrap(TEST_MESSAGE.getBytes()));
+ event = eventWaiter.waitEvent(TestEventType.FINISHED);
+ assertThat((Boolean) event.getEventData()).isTrue();
+
+ event = eventWaiter.waitEvent(TransportEventType.NEW_TRANSPORT);
+ transport = ((TransportEvent) event).getTransport();
+ transport.sendMessage(ByteBuffer.wrap(TEST_MESSAGE.getBytes()));
+ event = eventWaiter.waitEvent(TestEventType.FINISHED);
+ assertThat((Boolean) event.getEventData()).isTrue();
+ }
+
+ @After
+ public void cleanup() {
+ eventHub.stop();
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkServer.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkServer.java
new file mode 100644
index 0000000..b68745d
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/network/TestNetworkServer.java
@@ -0,0 +1,115 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.network;
+
+import org.apache.kerby.event.EventHandler;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.Network;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.SocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.SocketChannel;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestNetworkServer extends TestNetworkBase {
+
+ private EventHub eventHub;
+
+ @Before
+ public void setUp() throws IOException {
+ preparePorts();
+
+ setUpServer();
+ }
+
+ private void setUpServer() throws IOException {
+ eventHub = new EventHub();
+
+ EventHandler messageHandler = new MessageHandler() {
+ @Override
+ protected void handleMessage(MessageEvent msgEvent) {
+ if (msgEvent.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ msgEvent.getTransport().sendMessage(msgEvent.getMessage());
+ }
+ }
+ };
+ eventHub.register(messageHandler);
+
+ Network network = new Network();
+ network.setStreamingDecoder(createStreamingDecoder());
+ eventHub.register(network);
+
+ eventHub.start();
+
+ network.tcpListen(serverHost, tcpPort);
+ network.udpListen(serverHost, udpPort);
+ }
+
+ @Test
+ public void testNetworkServer() throws IOException, InterruptedException {
+ testTcpTransport();
+ testUdpTransport();
+ }
+
+ private void testTcpTransport() throws IOException, InterruptedException {
+ Thread.sleep(10);
+
+ SocketChannel socketChannel = SocketChannel.open();
+ socketChannel.configureBlocking(true);
+ SocketAddress sa = new InetSocketAddress(serverHost, tcpPort);
+ socketChannel.connect(sa);
+ socketChannel.write(ByteBuffer.wrap(TEST_MESSAGE.getBytes()));
+ ByteBuffer byteBuffer = ByteBuffer.allocate(65536);
+ socketChannel.read(byteBuffer);
+ byteBuffer.flip();
+ clientRecvedMessage = recvBuffer2String(byteBuffer);
+ assertThat(clientRecvedMessage).isEqualTo(TEST_MESSAGE);
+ }
+
+ private void testUdpTransport() throws IOException, InterruptedException {
+ Thread.sleep(10);
+
+ DatagramChannel socketChannel = DatagramChannel.open();
+ socketChannel.configureBlocking(true);
+ SocketAddress sa = new InetSocketAddress(serverHost, udpPort);
+ socketChannel.send(ByteBuffer.wrap(TEST_MESSAGE.getBytes()), sa);
+ ByteBuffer byteBuffer = ByteBuffer.allocate(65536);
+ socketChannel.receive(byteBuffer);
+ byteBuffer.flip();
+ clientRecvedMessage = recvBuffer2String(byteBuffer);
+ assertThat(clientRecvedMessage).isEqualTo(TEST_MESSAGE);
+ }
+
+ @After
+ public void cleanup() {
+ eventHub.stop();
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpBase.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpBase.java
new file mode 100644
index 0000000..ed060ef
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpBase.java
@@ -0,0 +1,62 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.tcp;
+
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.event.NetworkUtil;
+import org.apache.kerby.transport.tcp.DecodingCallback;
+import org.apache.kerby.transport.tcp.StreamingDecoder;
+
+import java.nio.ByteBuffer;
+
+public class TestTcpBase {
+ protected String serverHost = "127.0.0.1";
+ protected int serverPort = 0;
+ protected String TEST_MESSAGE = "Hello world!";
+ protected String clientRecvedMessage;
+
+ protected enum TestEventType implements EventType {
+ FINISHED
+ }
+
+ protected void preparePort() {
+ serverPort = NetworkUtil.getServerPort();
+ }
+
+ protected String recvBuffer2String(ByteBuffer buffer) {
+ byte[] bytes = new byte[buffer.remaining()];
+ buffer.get(bytes);
+ return new String(bytes);
+ }
+
+ protected StreamingDecoder createStreamingDecoder() {
+ return new StreamingDecoder() {
+ @Override
+ public void decode(ByteBuffer streamingBuffer, DecodingCallback callback) {
+ int expectedMessageLength = TEST_MESSAGE.getBytes().length;
+ if (streamingBuffer.remaining() >= expectedMessageLength) {
+ callback.onMessageComplete(expectedMessageLength, -1);
+ } else {
+ callback.onMoreDataNeeded(expectedMessageLength);
+ }
+ }
+ };
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpClient.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpClient.java
new file mode 100644
index 0000000..823ae7b
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpClient.java
@@ -0,0 +1,162 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.tcp;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventHandler;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.event.EventWaiter;
+import org.apache.kerby.transport.Connector;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.apache.kerby.transport.tcp.TcpConnector;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.nio.ByteBuffer;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+import java.util.Iterator;
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestTcpClient extends TestTcpBase {
+
+ private EventHub eventHub;
+ private EventWaiter eventWaiter;
+
+ @Before
+ public void setUp() throws IOException {
+ preparePort();
+
+ setUpServer();
+ setUpClient();
+ }
+
+ private void setUpServer() {
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ doRunServer();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }).start();
+ }
+
+ private void doRunServer() throws IOException {
+ Selector selector = Selector.open();
+ ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
+ serverSocketChannel.configureBlocking(false);
+ ServerSocket serverSocket = serverSocketChannel.socket();
+ serverSocket.bind(new InetSocketAddress(serverPort));
+ serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT);
+
+ SocketChannel socketChannel;
+ while (true) {
+ if (selector.selectNow() > 0) {
+ Set<SelectionKey> selectionKeys = selector.selectedKeys();
+ Iterator<SelectionKey> iterator = selectionKeys.iterator();
+ while (iterator.hasNext()) {
+ SelectionKey selectionKey = iterator.next();
+ iterator.remove();
+
+ if (selectionKey.isAcceptable()) {
+ while ((socketChannel = serverSocketChannel.accept()) != null) {
+ socketChannel.configureBlocking(false);
+ socketChannel.socket().setTcpNoDelay(true);
+ socketChannel.socket().setKeepAlive(true);
+ socketChannel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE, socketChannel);
+ //selectionKey.attach(socketChannel);
+ }
+ } else if (selectionKey.isReadable()) {
+ ByteBuffer recvBuffer = ByteBuffer.allocate(65536);
+ socketChannel = (SocketChannel) selectionKey.attachment();
+ if (socketChannel.read(recvBuffer) > 0) {
+ recvBuffer.flip();
+ socketChannel.write(recvBuffer);
+ }
+ }
+ }
+
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ }
+
+ private void setUpClient() throws IOException {
+ eventHub = new EventHub();
+
+ EventHandler messageHandler = new MessageHandler() {
+ @Override
+ protected void handleMessage(MessageEvent event) {
+ if (event.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ ByteBuffer buffer = event.getMessage();
+ clientRecvedMessage = recvBuffer2String(buffer);
+ System.out.println("Recved clientRecvedMessage: " + clientRecvedMessage);
+ Boolean result = TEST_MESSAGE.equals(clientRecvedMessage);
+ dispatch(new Event(TestEventType.FINISHED, result));
+ }
+ }
+ };
+ eventHub.register(messageHandler);
+
+ Connector connector = new TcpConnector(createStreamingDecoder());
+ eventHub.register(connector);
+
+ eventWaiter = eventHub.waitEvent(
+ TestEventType.FINISHED,
+ TransportEventType.NEW_TRANSPORT);
+
+ eventHub.start();
+ connector.connect(serverHost, serverPort);
+ }
+
+ @Test
+ public void testTcpTransport() {
+ Event event = eventWaiter.waitEvent(TransportEventType.NEW_TRANSPORT);
+ Transport transport = ((TransportEvent) event).getTransport();
+ transport.sendMessage(ByteBuffer.wrap(TEST_MESSAGE.getBytes()));
+
+ event = eventWaiter.waitEvent(TestEventType.FINISHED);
+ assertThat((Boolean) event.getEventData()).isTrue();
+ }
+
+ @After
+ public void cleanup() {
+ eventHub.stop();
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpServer.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpServer.java
new file mode 100644
index 0000000..d95580a
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/tcp/TestTcpServer.java
@@ -0,0 +1,94 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.tcp;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.SocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.SocketChannel;
+
+import org.apache.kerby.event.EventHandler;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.transport.Acceptor;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.apache.kerby.transport.tcp.TcpAcceptor;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestTcpServer extends TestTcpBase {
+
+ private EventHub eventHub;
+
+ @Before
+ public void setUp() throws IOException {
+ preparePort();
+
+ setUpServer();
+ }
+
+ private void setUpServer() throws IOException {
+ eventHub = new EventHub();
+
+ EventHandler messageHandler = new MessageHandler() {
+ @Override
+ protected void handleMessage(MessageEvent msgEvent) {
+ if (msgEvent.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ msgEvent.getTransport().sendMessage(msgEvent.getMessage());
+ }
+ }
+ };
+ eventHub.register(messageHandler);
+
+ Acceptor acceptor = new TcpAcceptor(createStreamingDecoder());
+ eventHub.register(acceptor);
+
+ eventHub.start();
+ acceptor.listen(serverHost, serverPort);
+ }
+
+ @Test
+ public void testTcpTransport() throws IOException, InterruptedException {
+ Thread.sleep(15);
+
+ SocketChannel socketChannel = SocketChannel.open();
+ socketChannel.configureBlocking(true);
+ SocketAddress sa = new InetSocketAddress(serverHost, serverPort);
+ socketChannel.connect(sa);
+ socketChannel.write(ByteBuffer.wrap(TEST_MESSAGE.getBytes()));
+ ByteBuffer byteBuffer = ByteBuffer.allocate(65536);
+ socketChannel.read(byteBuffer);
+ byteBuffer.flip();
+ clientRecvedMessage = recvBuffer2String(byteBuffer);
+
+ assertThat(clientRecvedMessage).isEqualTo(TEST_MESSAGE);
+ }
+
+ @After
+ public void cleanup() {
+ eventHub.stop();
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpBase.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpBase.java
new file mode 100644
index 0000000..1887043
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpBase.java
@@ -0,0 +1,46 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.udp;
+
+import org.apache.kerby.event.EventType;
+import org.apache.kerby.event.NetworkUtil;
+
+import java.nio.ByteBuffer;
+
+public class TestUdpBase {
+ protected String serverHost = "127.0.0.1";
+ protected int serverPort = 0;
+ protected String TEST_MESSAGE = "Hello world!";
+ protected String clientRecvedMessage;
+
+ protected enum TestEventType implements EventType {
+ FINISHED
+ }
+
+ protected void preparePort() {
+ serverPort = NetworkUtil.getServerPort();
+ }
+
+ protected String recvBuffer2String(ByteBuffer buffer) {
+ byte[] bytes = new byte[buffer.remaining()];
+ buffer.get(bytes);
+ return new String(bytes);
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpClient.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpClient.java
new file mode 100644
index 0000000..6f3453e
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpClient.java
@@ -0,0 +1,151 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.udp;
+
+import org.apache.kerby.event.Event;
+import org.apache.kerby.event.EventHandler;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.event.EventWaiter;
+import org.apache.kerby.transport.Connector;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.Transport;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.udp.UdpConnector;
+import org.apache.kerby.transport.event.TransportEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.DatagramSocket;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.util.Iterator;
+import java.util.Set;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestUdpClient extends TestUdpBase {
+
+ private EventHub eventHub;
+ private EventWaiter eventWaiter;
+
+ @Before
+ public void setUp() throws IOException {
+ preparePort();
+
+ setUpServer();
+ setUpClient();
+ }
+
+ private void setUpServer() {
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ doRunServer();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ }).start();
+ }
+
+ private void doRunServer() throws IOException {
+ Selector selector = Selector.open();
+ DatagramChannel serverSocketChannel = DatagramChannel.open();
+ serverSocketChannel.configureBlocking(false);
+ DatagramSocket serverSocket = serverSocketChannel.socket();
+ serverSocket.bind(new InetSocketAddress(serverPort));
+ serverSocketChannel.register(selector, SelectionKey.OP_READ);
+
+ while (true) {
+ if (selector.selectNow() > 0) {
+ Set<SelectionKey> selectionKeys = selector.selectedKeys();
+ Iterator<SelectionKey> iterator = selectionKeys.iterator();
+ while (iterator.hasNext()) {
+ SelectionKey selectionKey = iterator.next();
+ iterator.remove();
+ if (selectionKey.isReadable()) {
+ ByteBuffer recvBuffer = ByteBuffer.allocate(65536);
+ InetSocketAddress fromAddress = (InetSocketAddress) serverSocketChannel.receive(recvBuffer);
+ if (fromAddress != null) {
+ recvBuffer.flip();
+ serverSocketChannel.send(recvBuffer, fromAddress);
+ }
+ }
+ }
+
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
+ }
+ }
+
+ private void setUpClient() throws IOException {
+ eventHub = new EventHub();
+
+ EventHandler messageHandler = new MessageHandler() {
+ @Override
+ protected void handleMessage(MessageEvent msgEvent) {
+ if (msgEvent.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ ByteBuffer buffer = msgEvent.getMessage();
+ clientRecvedMessage = recvBuffer2String(buffer);
+ System.out.println("Recved clientRecvedMessage: " + clientRecvedMessage);
+ Boolean result = TEST_MESSAGE.equals(clientRecvedMessage);
+ dispatch(new Event(TestEventType.FINISHED, result));
+ }
+ }
+ };
+ eventHub.register(messageHandler);
+
+ Connector connector = new UdpConnector();
+ eventHub.register(connector);
+
+ eventWaiter = eventHub.waitEvent(
+ TestEventType.FINISHED,
+ TransportEventType.NEW_TRANSPORT);
+
+ eventHub.start();
+ connector.connect(serverHost, serverPort);
+ }
+
+ @Test
+ public void testUdpTransport() {
+ Event event = eventWaiter.waitEvent(TransportEventType.NEW_TRANSPORT);
+ Transport transport = ((TransportEvent) event).getTransport();
+ transport.sendMessage(ByteBuffer.wrap(TEST_MESSAGE.getBytes()));
+
+ event = eventWaiter.waitEvent(TestEventType.FINISHED);
+ assertThat((Boolean) event.getEventData()).isTrue();
+ }
+
+ @After
+ public void cleanup() {
+ eventHub.stop();
+ }
+}
diff --git a/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpServer.java b/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpServer.java
new file mode 100644
index 0000000..f44aa53
--- /dev/null
+++ b/lib/kerby-event/src/test/java/org/apache/kerby/event/udp/TestUdpServer.java
@@ -0,0 +1,93 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.kerby.event.udp;
+
+import org.apache.kerby.event.EventHandler;
+import org.apache.kerby.event.EventHub;
+import org.apache.kerby.transport.Acceptor;
+import org.apache.kerby.transport.MessageHandler;
+import org.apache.kerby.transport.event.MessageEvent;
+import org.apache.kerby.transport.event.TransportEventType;
+import org.apache.kerby.transport.udp.UdpAcceptor;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.ServerSocket;
+import java.net.SocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.channels.DatagramChannel;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestUdpServer extends TestUdpBase {
+
+ private EventHub eventHub;
+
+ @Before
+ public void setUp() throws IOException {
+ preparePort();
+
+ setUpServer();
+ }
+
+ private void setUpServer() throws IOException {
+ eventHub = new EventHub();
+
+ EventHandler messageHandler = new MessageHandler() {
+ @Override
+ protected void handleMessage(MessageEvent msgEvent) {
+ if (msgEvent.getEventType() == TransportEventType.INBOUND_MESSAGE) {
+ msgEvent.getTransport().sendMessage(msgEvent.getMessage());
+ }
+ }
+ };
+ eventHub.register(messageHandler);
+
+ Acceptor acceptor = new UdpAcceptor();
+ eventHub.register(acceptor);
+
+ eventHub.start();
+ acceptor.listen(serverHost, serverPort);
+ }
+
+ @Test
+ public void testUdpTransport() throws IOException, InterruptedException {
+ Thread.sleep(10);
+
+ DatagramChannel socketChannel = DatagramChannel.open();
+ socketChannel.configureBlocking(true);
+ SocketAddress sa = new InetSocketAddress(serverHost, serverPort);
+ socketChannel.send(ByteBuffer.wrap(TEST_MESSAGE.getBytes()), sa);
+ ByteBuffer byteBuffer = ByteBuffer.allocate(65536);
+ socketChannel.receive(byteBuffer);
+ byteBuffer.flip();
+ clientRecvedMessage = recvBuffer2String(byteBuffer);
+
+ assertThat(clientRecvedMessage).isEqualTo(TEST_MESSAGE);
+ }
+
+ @After
+ public void cleanup() {
+ eventHub.stop();
+ }
+}
diff --git a/lib/pom.xml b/lib/pom.xml
index 1b9af80..d2859f3 100644
--- a/lib/pom.xml
+++ b/lib/pom.xml
@@ -28,6 +28,7 @@
<modules>
<module>kerby-config</module>
+ <module>kerby-event</module>
<module>kerby-util</module>
</modules>
