package org.jgroups.protocols;
import org.jgroups.Address;
import org.jgroups.PhysicalAddress;
import org.jgroups.annotations.Experimental;
import org.jgroups.annotations.ManagedAttribute;
import org.jgroups.annotations.Property;
import org.jgroups.annotations.Unsupported;
import org.jgroups.blocks.BasicConnectionTable;
import org.jgroups.blocks.ConnectionTableNIO;
import java.net.InetAddress;
import java.util.Collection;
/**
* Transport using NIO
* @author Scott Marlow
* @author Alex Fu
* @author Bela Ban
*/
@Experimental @Unsupported
public class TCP_NIO extends BasicTCP implements BasicConnectionTable.Receiver
{
/*
* (non-Javadoc)
*
* @see org.jgroups.protocols.TCP#getConnectionTable(long, long)
*/
protected ConnectionTableNIO getConnectionTable(long ri, long cet,
InetAddress b_addr, InetAddress bc_addr,
int external_port, int s_port, int e_port) throws Exception {
ConnectionTableNIO retval=null;
if (ri == 0 && cet == 0) {
retval = new ConnectionTableNIO(this, b_addr, bc_addr, external_port, s_port, e_port, false );
}
else {
if (ri == 0) {
ri = 5000;
if(log.isWarnEnabled()) log.warn("reaper_interval was 0, set it to " + ri);
}
if (cet == 0) {
cet = 1000 * 60 * 5;
if(log.isWarnEnabled()) log.warn("conn_expire_time was 0, set it to " + cet);
}
retval = new ConnectionTableNIO(this, b_addr, bc_addr, external_port, s_port, e_port, ri, cet, false);
}
retval.setThreadFactory(getThreadFactory());
retval.setProcessorMaxThreads(getProcessorMaxThreads());
retval.setProcessorQueueSize(getProcessorQueueSize());
retval.setProcessorMinThreads(getProcessorMinThreads());
retval.setProcessorKeepAliveTime(getProcessorKeepAliveTime());
retval.setProcessorThreads(getProcessorThreads());
retval.start();
return retval;
}
public String printConnections() {return ct.toString();}
protected PhysicalAddress getPhysicalAddress() {
return ct != null? (PhysicalAddress)ct.getLocalAddress() : null;
}
public void send(Address dest, byte[] data, int offset, int length) throws Exception {
ct.send(dest, data, offset, length);
}
public void start() throws Exception {
ct=getConnectionTable(reaper_interval,conn_expire_time,bind_addr,external_addr,external_port,bind_port,bind_port+port_range);
ct.setUseSendQueues(use_send_queues);
// ct.addConnectionListener(this);
ct.setReceiveBufferSize(recv_buf_size);
ct.setSendBufferSize(send_buf_size);
ct.setSocketConnectionTimeout(sock_conn_timeout);
ct.setPeerAddressReadTimeout(peer_addr_read_timeout);
ct.setTcpNodelay(tcp_nodelay);
ct.setLinger(linger);
super.start();
}
public void retainAll(Collection<Address> members) {
ct.retainAll(members);
}
public void stop() {
ct.stop();
super.stop();
}
public int getReaderThreads() { return reader_threads; }
public int getWriterThreads() { return writer_threads; }
public int getProcessorThreads() { return processor_threads; }
public int getProcessorMinThreads() { return processor_minThreads;}
public int getProcessorMaxThreads() { return processor_maxThreads;}
public int getProcessorQueueSize() { return processor_queueSize; }
public long getProcessorKeepAliveTime() { return processor_keepAliveTime; }
@ManagedAttribute
public int getOpenConnections() {return ct.getNumConnections();}
@Property
private int reader_threads= 3;
@Property
private int writer_threads= 3;
@Property
private int processor_threads= 5; // PooledExecutor.createThreads()
@Property
private int processor_minThreads= 5; // PooledExecutor.setMinimumPoolSize()
@Property
private int processor_maxThreads= 5; // PooledExecutor.setMaxThreads()
@Property
private int processor_queueSize=100; // Number of queued requests that can be pending waiting
// for a background thread to run the request.
@Property
private long processor_keepAliveTime= Long.MAX_VALUE; // PooledExecutor.setKeepAliveTime( milliseconds);
// negative value used to mean (before 2.5 release) to wait forever,
// instead set to Long.MAX_VALUE to keep alive forever
private ConnectionTableNIO ct;
}