| /** |
| * 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.camel.component.ganglia; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import info.ganglia.gmetric4j.xdr.v31x.Ganglia_metadata_msg; |
| import info.ganglia.gmetric4j.xdr.v31x.Ganglia_value_msg; |
| import io.netty.channel.ChannelHandler.Sharable; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.channel.socket.DatagramPacket; |
| import io.netty.handler.codec.MessageToMessageDecoder; |
| |
| import org.acplt.oncrpc.OncRpcException; |
| import org.acplt.oncrpc.XdrAble; |
| import org.acplt.oncrpc.XdrBufferDecodingStream; |
| import org.apache.camel.CamelExecutionException; |
| import org.apache.camel.EndpointInject; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.ResolveEndpointFailedException; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.impl.JndiRegistry; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| |
| import static info.ganglia.gmetric4j.gmetric.GMetricSlope.NEGATIVE; |
| import static info.ganglia.gmetric4j.gmetric.GMetricType.FLOAT; |
| |
| import static info.ganglia.gmetric4j.xdr.v31x.Ganglia_msg_formats.gmetadata_full; |
| import static info.ganglia.gmetric4j.xdr.v31x.Ganglia_msg_formats.gmetric_string; |
| |
| import static org.apache.camel.component.ganglia.GangliaConfiguration.DEFAULT_DMAX; |
| import static org.apache.camel.component.ganglia.GangliaConfiguration.DEFAULT_METRIC_NAME; |
| import static org.apache.camel.component.ganglia.GangliaConfiguration.DEFAULT_SLOPE; |
| import static org.apache.camel.component.ganglia.GangliaConfiguration.DEFAULT_TMAX; |
| import static org.apache.camel.component.ganglia.GangliaConfiguration.DEFAULT_TYPE; |
| import static org.apache.camel.component.ganglia.GangliaConfiguration.DEFAULT_UNITS; |
| |
| import static org.apache.camel.component.ganglia.GangliaConstants.GROUP_NAME; |
| import static org.apache.camel.component.ganglia.GangliaConstants.METRIC_DMAX; |
| import static org.apache.camel.component.ganglia.GangliaConstants.METRIC_NAME; |
| import static org.apache.camel.component.ganglia.GangliaConstants.METRIC_SLOPE; |
| import static org.apache.camel.component.ganglia.GangliaConstants.METRIC_TMAX; |
| import static org.apache.camel.component.ganglia.GangliaConstants.METRIC_TYPE; |
| import static org.apache.camel.component.ganglia.GangliaConstants.METRIC_UNITS; |
| |
| /** |
| * {@code GangliaProtocolV31CamelTest} is not shipped with an embedded gmond |
| * agent. The gmond agent is mocked with the help of camel-netty4 codecs and a |
| * mock endpoint. As underlying UDP packets are not guaranteed to be delivered, |
| * loose assertions are performed. |
| */ |
| public class GangliaProtocolV31CamelTest extends CamelGangliaTestSupport { |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| @EndpointInject(uri = "mock:gmond") |
| private MockEndpoint mockGmond; |
| |
| private String getTestUri() { |
| return "ganglia:localhost:" + getTestPort() + "?mode=UNICAST"; |
| } |
| |
| @Test |
| public void sendDefaultConfigurationShouldSucceed() throws Exception { |
| |
| mockGmond.setMinimumExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| mockGmond.whenAnyExchangeReceived(new Processor() { |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| Ganglia_metadata_msg metadataMessage = exchange.getIn().getBody(Ganglia_metadata_msg.class); |
| if (metadataMessage != null) { |
| assertEquals(DEFAULT_METRIC_NAME, metadataMessage.gfull.metric.name); |
| assertEquals(DEFAULT_TYPE.getGangliaType(), metadataMessage.gfull.metric.type); |
| assertEquals(DEFAULT_SLOPE.getGangliaSlope(), metadataMessage.gfull.metric.slope); |
| assertEquals(DEFAULT_UNITS, metadataMessage.gfull.metric.units); |
| assertEquals(DEFAULT_TMAX, metadataMessage.gfull.metric.tmax); |
| assertEquals(DEFAULT_DMAX, metadataMessage.gfull.metric.dmax); |
| } else { |
| Ganglia_value_msg valueMessage = exchange.getIn().getBody(Ganglia_value_msg.class); |
| if (valueMessage != null) { |
| assertEquals("28.0", valueMessage.gstr.str); |
| assertEquals("%s", valueMessage.gstr.fmt); |
| } else { |
| fail("The gmond mock should only receive non-null metadata or value messages"); |
| } |
| } |
| } |
| }); |
| |
| template.sendBody(getTestUri(), "28.0"); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void sendMessageHeadersShouldOverrideDefaultConfiguration() throws Exception { |
| |
| mockGmond.setMinimumExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| mockGmond.whenAnyExchangeReceived(new Processor() { |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| Ganglia_metadata_msg metadataMessage = exchange.getIn().getBody(Ganglia_metadata_msg.class); |
| if (metadataMessage != null) { |
| assertEquals("depth", metadataMessage.gfull.metric.name); |
| assertEquals(FLOAT.getGangliaType(), metadataMessage.gfull.metric.type); |
| assertEquals(NEGATIVE.getGangliaSlope(), metadataMessage.gfull.metric.slope); |
| assertEquals("cm", metadataMessage.gfull.metric.units); |
| assertEquals(100, metadataMessage.gfull.metric.tmax); |
| assertEquals(10, metadataMessage.gfull.metric.dmax); |
| } else { |
| Ganglia_value_msg valueMessage = exchange.getIn().getBody(Ganglia_value_msg.class); |
| if (valueMessage != null) { |
| assertEquals("-3.0", valueMessage.gstr.str); |
| assertEquals("%s", valueMessage.gstr.fmt); |
| } else { |
| fail("The gmond mock should only receive non-null metadata or value messages"); |
| } |
| } |
| } |
| }); |
| |
| Map<String, Object> headers = new HashMap<>(); |
| headers.put(GROUP_NAME, "sea-mesure"); |
| headers.put(METRIC_NAME, "depth"); |
| headers.put(METRIC_TYPE, FLOAT); |
| headers.put(METRIC_SLOPE, NEGATIVE); |
| headers.put(METRIC_UNITS, "cm"); |
| headers.put(METRIC_TMAX, 100); |
| headers.put(METRIC_DMAX, 10); |
| template.sendBodyAndHeaders(getTestUri(), -3.0f, headers); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void sendWrongMetricTypeShouldThrow() throws Exception { |
| thrown.expect(CamelExecutionException.class); |
| mockGmond.setExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| |
| template.sendBodyAndHeader(getTestUri(), "28.0", METRIC_TYPE, "NotAGMetricType"); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void sendWrongMetricSlopeShouldThrow() throws Exception { |
| thrown.expect(CamelExecutionException.class); |
| mockGmond.setExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| |
| template.sendBodyAndHeader(getTestUri(), "28.0", METRIC_SLOPE, "NotAGMetricSlope"); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void sendWrongMetricTMaxShouldThrow() throws Exception { |
| thrown.expect(CamelExecutionException.class); |
| mockGmond.setExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| |
| template.sendBodyAndHeader(getTestUri(), "28.0", METRIC_TMAX, new Object()); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void sendWrongMetricDMaxShouldThrow() throws Exception { |
| thrown.expect(CamelExecutionException.class); |
| mockGmond.setExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| |
| template.sendBodyAndHeader(getTestUri(), "28.0", METRIC_DMAX, new Object()); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Test |
| public void sendWithWrongTypeShouldThrow() throws Exception { |
| thrown.expect(ResolveEndpointFailedException.class); |
| mockGmond.setExpectedMessageCount(0); |
| mockGmond.setAssertPeriod(100L); |
| |
| template.sendBody(getTestUri() + "&type=wrong", ""); |
| |
| mockGmond.assertIsSatisfied(); |
| } |
| |
| @Override |
| public JndiRegistry createRegistry() throws Exception { |
| JndiRegistry jndi = super.createRegistry(); |
| jndi.bind("protocolV31Decoder", new ProtocolV31Decoder()); |
| return jndi; |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() { |
| return new RouteBuilder() { |
| public void configure() { |
| from("netty4:udp://localhost:" + getTestPort() + "/?decoders=#protocolV31Decoder").to(mockGmond); |
| } |
| }; |
| } |
| |
| @Sharable |
| public static class ProtocolV31Decoder extends MessageToMessageDecoder<DatagramPacket> { |
| @Override |
| protected void decode(ChannelHandlerContext ctx, DatagramPacket packet, List<Object> out) throws OncRpcException, IOException { |
| byte[] bytes = new byte[packet.content().readableBytes()]; |
| packet.content().readBytes(bytes); |
| |
| // Determine what kind of object the datagram is handling |
| XdrBufferDecodingStream xbds = new XdrBufferDecodingStream(bytes); |
| xbds.beginDecoding(); |
| int id = xbds.xdrDecodeInt() & 0xbf; |
| xbds.endDecoding(); |
| XdrAble outMsg = null; |
| if (id == gmetadata_full) { |
| outMsg = new Ganglia_metadata_msg(); |
| } else if (id == gmetric_string) { |
| outMsg = new Ganglia_value_msg(); |
| } else { |
| fail("During those tests, the gmond mock should only receive metadata or string messages"); |
| } |
| |
| // Unmarshall the incoming datagram |
| xbds = new XdrBufferDecodingStream(bytes); |
| xbds.beginDecoding(); |
| outMsg.xdrDecode(xbds); |
| xbds.endDecoding(); |
| out.add(outMsg); |
| } |
| } |
| } |