org.apache.thrift.transport.TSocket Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of libthrift Show documentation
Show all versions of libthrift Show documentation
Thrift is a software framework for scalable cross-language services development.
/*
* 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.thrift.transport;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketException;
import org.apache.thrift.TConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** Socket implementation of the TTransport interface. To be commented soon! */
public class TSocket extends TIOStreamTransport {
private static final Logger LOGGER = LoggerFactory.getLogger(TSocket.class.getName());
/** Wrapped Socket object */
private Socket socket_;
/** Remote host */
private String host_;
/** Remote port */
private int port_;
/** Socket timeout - read timeout on the socket */
private int socketTimeout_;
/** Connection timeout */
private int connectTimeout_;
/**
* Constructor that takes an already created socket.
*
* @param socket Already created socket object
* @throws TTransportException if there is an error setting up the streams
*/
public TSocket(Socket socket) throws TTransportException {
super(new TConfiguration());
socket_ = socket;
try {
socket_.setSoLinger(false, 0);
socket_.setTcpNoDelay(true);
socket_.setKeepAlive(true);
} catch (SocketException sx) {
LOGGER.warn("Could not configure socket.", sx);
}
if (isOpen()) {
try {
inputStream_ = new BufferedInputStream(socket_.getInputStream());
outputStream_ = new BufferedOutputStream(socket_.getOutputStream());
} catch (IOException iox) {
close();
throw new TTransportException(TTransportException.NOT_OPEN, iox);
}
}
}
/**
* Creates a new unconnected socket that will connect to the given host on the given port.
*
* @param config check config
* @param host Remote host
* @param port Remote port
*/
public TSocket(TConfiguration config, String host, int port) throws TTransportException {
this(config, host, port, 0);
}
/**
* Creates a new unconnected socket that will connect to the given host on the given port.
*
* @param host Remote host
* @param port Remote port
*/
public TSocket(String host, int port) throws TTransportException {
this(new TConfiguration(), host, port, 0);
}
/**
* Creates a new unconnected socket that will connect to the given host on the given port.
*
* @param host Remote host
* @param port Remote port
* @param timeout Socket timeout and connection timeout
*/
public TSocket(String host, int port, int timeout) throws TTransportException {
this(new TConfiguration(), host, port, timeout, timeout);
}
/**
* Creates a new unconnected socket that will connect to the given host on the given port.
*
* @param config check config
* @param host Remote host
* @param port Remote port
* @param timeout Socket timeout and connection timeout
*/
public TSocket(TConfiguration config, String host, int port, int timeout)
throws TTransportException {
this(config, host, port, timeout, timeout);
}
/**
* Creates a new unconnected socket that will connect to the given host on the given port, with a
* specific connection timeout and a specific socket timeout.
*
* @param config check config
* @param host Remote host
* @param port Remote port
* @param socketTimeout Socket timeout
* @param connectTimeout Connection timeout
*/
public TSocket(
TConfiguration config, String host, int port, int socketTimeout, int connectTimeout)
throws TTransportException {
super(config);
host_ = host;
port_ = port;
socketTimeout_ = socketTimeout;
connectTimeout_ = connectTimeout;
initSocket();
}
/** Initializes the socket object */
private void initSocket() {
socket_ = new Socket();
try {
socket_.setSoLinger(false, 0);
socket_.setTcpNoDelay(true);
socket_.setKeepAlive(true);
socket_.setSoTimeout(socketTimeout_);
} catch (SocketException sx) {
LOGGER.error("Could not configure socket.", sx);
}
}
/**
* Sets the socket timeout and connection timeout.
*
* @param timeout Milliseconds timeout
*/
public void setTimeout(int timeout) {
this.setConnectTimeout(timeout);
this.setSocketTimeout(timeout);
}
/**
* Sets the time after which the connection attempt will time out
*
* @param timeout Milliseconds timeout
*/
public void setConnectTimeout(int timeout) {
connectTimeout_ = timeout;
}
/**
* Sets the socket timeout
*
* @param timeout Milliseconds timeout
*/
public void setSocketTimeout(int timeout) {
socketTimeout_ = timeout;
try {
socket_.setSoTimeout(timeout);
} catch (SocketException sx) {
LOGGER.warn("Could not set socket timeout.", sx);
}
}
/** Returns a reference to the underlying socket. */
public Socket getSocket() {
if (socket_ == null) {
initSocket();
}
return socket_;
}
/** Checks whether the socket is connected. */
public boolean isOpen() {
if (socket_ == null) {
return false;
}
return socket_.isConnected();
}
/** Connects the socket, creating a new socket object if necessary. */
public void open() throws TTransportException {
if (isOpen()) {
throw new TTransportException(TTransportException.ALREADY_OPEN, "Socket already connected.");
}
if (host_ == null || host_.length() == 0) {
throw new TTransportException(TTransportException.NOT_OPEN, "Cannot open null host.");
}
if (port_ <= 0 || port_ > 65535) {
throw new TTransportException(TTransportException.NOT_OPEN, "Invalid port " + port_);
}
if (socket_ == null) {
initSocket();
}
try {
socket_.connect(new InetSocketAddress(host_, port_), connectTimeout_);
inputStream_ = new BufferedInputStream(socket_.getInputStream());
outputStream_ = new BufferedOutputStream(socket_.getOutputStream());
} catch (IOException iox) {
close();
throw new TTransportException(TTransportException.NOT_OPEN, iox);
}
}
/** Closes the socket. */
public void close() {
// Close the underlying streams
super.close();
// Close the socket
if (socket_ != null) {
try {
socket_.close();
} catch (IOException iox) {
LOGGER.warn("Could not close socket.", iox);
}
socket_ = null;
}
}
}