Java Socket.setTrafficClass方法代码示例

import java.net.Socket; //导入方法依赖的package包/类
private synchronized void send(Message message) throws IOException {
	if(message == null) return;
			
	Socket socket = new Socket();
	socket.setReuseAddress(true);
	socket.setPerformancePreferences(2, 1, 0); // connection, latency, bandwidth
	socket.setTcpNoDelay(true);
	socket.setTrafficClass(0x10);	// low delay
	socket.setSoTimeout(timeoutMillis);
	socket.connect(address);
		
	@SuppressWarnings("resource")
       OutputStream out = socket.getOutputStream();
	
	// TODO additional check. Is it needed?
	if(out == null) throw new IOException("Socket has no output stream.");
	
	String text = message.toString();
	out.write(text.getBytes());
	
	if(CRUSH.debug) CRUSH.debug(this, "DRP> " + text);
	
	out.flush();
	socket.close();
}
 

import java.net.Socket; //导入方法依赖的package包/类
/**
 * open real socket and set time out when waitForAck is enabled
 * is socket open return directly
 */
protected void openSocket() throws IOException {
   if(isConnected()) return ;
   try {
       socket = new Socket();
       InetSocketAddress sockaddr = new InetSocketAddress(getAddress(), getPort());
       socket.connect(sockaddr,(int)getTimeout());
       socket.setSendBufferSize(getTxBufSize());
       socket.setReceiveBufferSize(getRxBufSize());
       socket.setSoTimeout( (int) getTimeout());
       socket.setTcpNoDelay(getTcpNoDelay());
       socket.setKeepAlive(getSoKeepAlive());
       socket.setReuseAddress(getSoReuseAddress());
       socket.setOOBInline(getOoBInline());
       socket.setSoLinger(getSoLingerOn(),getSoLingerTime());
       socket.setTrafficClass(getSoTrafficClass());
       setConnected(true);
       soOut = socket.getOutputStream();
       soIn  = socket.getInputStream();
       setRequestCount(0);
       setConnectTime(System.currentTimeMillis());
       if (log.isDebugEnabled())
           log.debug(sm.getString("IDataSender.openSocket", getAddress().getHostAddress(), Integer.valueOf(getPort()), Long.valueOf(0)));
  } catch (IOException ex1) {
      SenderState.getSenderState(getDestination()).setSuspect();
      if (log.isDebugEnabled())
          log.debug(sm.getString("IDataSender.openSocket.failure",getAddress().getHostAddress(), Integer.valueOf(getPort()), Long.valueOf(0)), ex1);
      throw (ex1);
    }
    
 }
 

import java.net.Socket; //导入方法依赖的package包/类
/**
 * Configures socket properties based on properties from the connection
 * (tcpNoDelay, snd/rcv buf, traffic class, etc).
 * 
 * @param props
 * @throws SocketException
 * @throws IOException
 */
private void configureSocket(Socket sock, Properties props) throws SocketException, IOException {
    sock.setTcpNoDelay(Boolean.valueOf(props.getProperty(TCP_NO_DELAY_PROPERTY_NAME, TCP_NO_DELAY_DEFAULT_VALUE)).booleanValue());

    String keepAlive = props.getProperty(TCP_KEEP_ALIVE_PROPERTY_NAME, TCP_KEEP_ALIVE_DEFAULT_VALUE);

    if (keepAlive != null && keepAlive.length() > 0) {
        sock.setKeepAlive(Boolean.valueOf(keepAlive).booleanValue());
    }

    int receiveBufferSize = Integer.parseInt(props.getProperty(TCP_RCV_BUF_PROPERTY_NAME, TCP_RCV_BUF_DEFAULT_VALUE));

    if (receiveBufferSize > 0) {
        sock.setReceiveBufferSize(receiveBufferSize);
    }

    int sendBufferSize = Integer.parseInt(props.getProperty(TCP_SND_BUF_PROPERTY_NAME, TCP_SND_BUF_DEFAULT_VALUE));

    if (sendBufferSize > 0) {
        sock.setSendBufferSize(sendBufferSize);
    }

    int trafficClass = Integer.parseInt(props.getProperty(TCP_TRAFFIC_CLASS_PROPERTY_NAME, TCP_TRAFFIC_CLASS_DEFAULT_VALUE));

    if (trafficClass > 0) {
        sock.setTrafficClass(trafficClass);
    }
}
 

import java.net.Socket; //导入方法依赖的package包/类
/**
 * open real socket and set time out when waitForAck is enabled is socket
 * open return directly
 */
protected void openSocket() throws IOException {
	if (isConnected())
		return;
	try {
		socket = new Socket();
		InetSocketAddress sockaddr = new InetSocketAddress(getAddress(), getPort());
		socket.connect(sockaddr, (int) getTimeout());
		socket.setSendBufferSize(getTxBufSize());
		socket.setReceiveBufferSize(getRxBufSize());
		socket.setSoTimeout((int) getTimeout());
		socket.setTcpNoDelay(getTcpNoDelay());
		socket.setKeepAlive(getSoKeepAlive());
		socket.setReuseAddress(getSoReuseAddress());
		socket.setOOBInline(getOoBInline());
		socket.setSoLinger(getSoLingerOn(), getSoLingerTime());
		socket.setTrafficClass(getSoTrafficClass());
		setConnected(true);
		soOut = socket.getOutputStream();
		soIn = socket.getInputStream();
		setRequestCount(0);
		setConnectTime(System.currentTimeMillis());
		if (log.isDebugEnabled())
			log.debug(sm.getString("IDataSender.openSocket", getAddress().getHostAddress(),
					Integer.valueOf(getPort()), Long.valueOf(0)));
	} catch (IOException ex1) {
		SenderState.getSenderState(getDestination()).setSuspect();
		if (log.isDebugEnabled())
			log.debug(sm.getString("IDataSender.openSocket.failure", getAddress().getHostAddress(),
					Integer.valueOf(getPort()), Long.valueOf(0)), ex1);
		throw (ex1);
	}

}
 

import java.net.Socket; //导入方法依赖的package包/类
protected void
 process(
int						local_port,
TransportHelperFilter 	filter )

 {

   SocketChannel	channel = ((TCPTransportHelper)filter.getHelper()).getSocketChannel();

   Socket socket = channel.socket();

   //set advanced socket options
   try {
     int so_sndbuf_size = COConfigurationManager.getIntParameter( "network.tcp.socket.SO_SNDBUF" );
     if( so_sndbuf_size > 0 )  socket.setSendBufferSize( so_sndbuf_size );

     String ip_tos = COConfigurationManager.getStringParameter( "network.tcp.socket.IPDiffServ" );
     if( ip_tos.length() > 0 )  socket.setTrafficClass( Integer.decode( ip_tos ).intValue() );
   }
   catch( Throwable t ) {
     t.printStackTrace();
   }

   AEProxyAddressMapper.AppliedPortMapping applied_mapping = proxy_address_mapper.applyPortMapping( socket.getInetAddress(), socket.getPort());

   InetSocketAddress	tcp_address = applied_mapping.getAddress();

ConnectionEndpoint	co_ep = new ConnectionEndpoint(tcp_address);

Map<String,Object>	properties = applied_mapping.getProperties();

if ( properties != null ){

	co_ep.addProperties( properties );
}

ProtocolEndpointTCP	pe_tcp = (ProtocolEndpointTCP)ProtocolEndpointFactory.createEndpoint( ProtocolEndpoint.PROTOCOL_TCP, co_ep, tcp_address );

Transport transport = new TCPTransportImpl( pe_tcp, filter );

   incoming_manager.addConnection( local_port, filter, transport );
 }