| /* |
| * 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.cassandra.thrift; |
| |
| import java.net.InetAddress; |
| import java.net.InetSocketAddress; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.cassandra.service.CassandraDaemon; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.thrift.TProcessor; |
| import org.apache.thrift.protocol.TBinaryProtocol; |
| import org.apache.thrift.server.TServer; |
| import org.apache.thrift.transport.TFramedTransport; |
| import org.apache.thrift.transport.TTransportFactory; |
| |
| public class ThriftServer implements CassandraDaemon.Server |
| { |
| private static final Logger logger = LoggerFactory.getLogger(ThriftServer.class); |
| |
| protected final InetAddress address; |
| protected final int port; |
| protected final int backlog; |
| private volatile ThriftServerThread server; |
| |
| public ThriftServer(InetAddress address, int port, int backlog) |
| { |
| this.address = address; |
| this.port = port; |
| this.backlog = backlog; |
| } |
| |
| public void start() |
| { |
| if (server == null) |
| { |
| CassandraServer iface = getCassandraServer(); |
| server = new ThriftServerThread(address, port, backlog, getProcessor(iface), getTransportFactory()); |
| server.start(); |
| } |
| } |
| |
| public synchronized void stop() |
| { |
| if (server != null) |
| { |
| server.stopServer(); |
| try |
| { |
| server.join(); |
| } |
| catch (InterruptedException e) |
| { |
| logger.error("Interrupted while waiting thrift server to stop", e); |
| } |
| server = null; |
| } |
| } |
| |
| public boolean isRunning() |
| { |
| return server != null; |
| } |
| |
| /* |
| * These methods are intended to be overridden to provide custom implementations. |
| */ |
| protected CassandraServer getCassandraServer() |
| { |
| return new CassandraServer(); |
| } |
| |
| protected TProcessor getProcessor(CassandraServer server) |
| { |
| return new Cassandra.Processor<Cassandra.Iface>(server); |
| } |
| |
| protected TTransportFactory getTransportFactory() |
| { |
| int tFramedTransportSize = DatabaseDescriptor.getThriftFramedTransportSize(); |
| return new TFramedTransport.Factory(tFramedTransportSize); |
| } |
| |
| /** |
| * Simple class to run the thrift connection accepting code in separate |
| * thread of control. |
| */ |
| private static class ThriftServerThread extends Thread |
| { |
| private final TServer serverEngine; |
| |
| public ThriftServerThread(InetAddress listenAddr, |
| int listenPort, |
| int listenBacklog, |
| TProcessor processor, |
| TTransportFactory transportFactory) |
| { |
| // now we start listening for clients |
| logger.info("Binding thrift service to {}:{}", listenAddr, listenPort); |
| |
| TServerFactory.Args args = new TServerFactory.Args(); |
| args.tProtocolFactory = new TBinaryProtocol.Factory(true, true); |
| args.addr = new InetSocketAddress(listenAddr, listenPort); |
| args.listenBacklog = listenBacklog; |
| args.processor = processor; |
| args.keepAlive = DatabaseDescriptor.getRpcKeepAlive(); |
| args.sendBufferSize = DatabaseDescriptor.getRpcSendBufferSize(); |
| args.recvBufferSize = DatabaseDescriptor.getRpcRecvBufferSize(); |
| args.inTransportFactory = transportFactory; |
| args.outTransportFactory = transportFactory; |
| serverEngine = new TServerCustomFactory(DatabaseDescriptor.getRpcServerType()).buildTServer(args); |
| } |
| |
| public void run() |
| { |
| logger.info("Listening for thrift clients..."); |
| serverEngine.serve(); |
| } |
| |
| public void stopServer() |
| { |
| logger.info("Stop listening to thrift clients"); |
| serverEngine.stop(); |
| } |
| } |
| |
| public static final class ThriftServerType |
| { |
| public final static String SYNC = "sync"; |
| public final static String ASYNC = "async"; |
| public final static String HSHA = "hsha"; |
| } |
| } |