Apache MINA NIO connector help
- by satya
I'm new to using MINA.
I've a program which uses MINA NIOconnector to connect to host.
I'm able to send data and also receive. This is clear from log4j log which i'm attaching below.
E:\>java TC4HostClient
[12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - CREATED
[12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - OPENED
Opened
CGS Sign On
[12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - SENT: HeapBuffer[pos=0 lim=370 cap=512: 20 20 20 20 20 20 20 20 20 20 20
20 20 20 20 20...]
[12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - SENT: HeapBuffer[pos=0 lim=0 cap=0: empty]
Message Sent 00000333CST 1001010 00000308000003080010000
000009600000000FTS O00000146TC4DS 001WSJTC41 ---001NTMU9001-I ---
-----000 0030000000012400000096500007013082015SATYA 500000
010165070000002200011
01800000000022000001241 172.16.25.122 02
[12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - RECEIVED: HeapBuffer[pos=0 lim=36 cap=2048: 20 20 20 20 20 20 20 20 20 20
20 20 20 20 20 20...]
[12:21:46] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - RECEIVED: HeapBuffer[pos=0 lim=505 cap=2048: 31 20 20 20 20 20 20 20 20 3
0 30 30 30 30 34 38...]
After Writing
[12:21:52] NioProcessor-1 INFO [] [] [org.apache.mina.filter.logging.LoggingFil
ter] - CLOSED
Though i see "RECEIVED" in log my handler messageReceived method is not being called.
Can anyone please help me in this regard and tell me what i'm doing wrong
import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.charset.Charset;
import java.net.SocketAddress;
import org.apache.mina.core.service.IoAcceptor;
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.textline.TextLineCodecFactory;
import org.apache.mina.filter.logging.LoggingFilter;
import org.apache.mina.transport.socket.nio.NioSocketConnector;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.core.future.*;
public class TC4HostClient
{
private static final int PORT = 9123;
public static void main( String[] args ) throws IOException,Exception
{
NioSocketConnector connector = new NioSocketConnector();
SocketAddress address = new InetSocketAddress("172.16.25.3", 8004);
connector.getSessionConfig().setReadBufferSize( 2048 );
connector.getFilterChain().addLast( "logger", new LoggingFilter() );
connector.getFilterChain().addLast( "codec", new ProtocolCodecFilter( new TextLineCodecFactory( Charset.forName( "UTF-8" ))));
connector.setHandler(new TC4HostClientHandler());
ConnectFuture future1 = connector.connect(address);
future1.awaitUninterruptibly();
if (!future1.isConnected()) {
return ;
}
IoSession session = future1.getSession();
System.out.println("CGS Sign On");
session.getConfig().setUseReadOperation(true);
session.write(" 00000333CST 1001010 00000308000003080010000000009600000000FTS O00000146TC4DS 001WSJTC41 ---001NTMU9001-I --------000 0030000000012400000096500007013082015SATYA 500000 010165070000002200011 01800000000022000001241 172.16.25.122 02");
session.getCloseFuture().awaitUninterruptibly();
System.out.println("After Writing");
connector.dispose();
}
}
import org.apache.mina.core.session.IdleStatus;
import org.apache.mina.core.service.IoHandlerAdapter;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.core.buffer.IoBuffer;
public class TC4HostClientHandler extends IoHandlerAdapter
{
@Override
public void exceptionCaught( IoSession session, Throwable cause ) throws Exception
{
cause.printStackTrace();
}
@Override
public void messageSent( IoSession session, Object message ) throws Exception
{
String str = message.toString();
System.out.println("Message Sent" + str);
}
@Override
public void messageReceived( IoSession session, Object message ) throws Exception
{
IoBuffer buf = (IoBuffer) message;
// Print out read buffer content.
while (buf.hasRemaining()) {
System.out.print((char) buf.get());
}
System.out.flush();
}
/*
@Override
public void messageReceived( IoSession session, Object message ) throws Exception
{
String str = message.toString();
System.out.println("Message Received : " + str);
}*/
@Override
public void sessionIdle( IoSession session, IdleStatus status ) throws Exception
{
System.out.println( "IDLE " + session.getIdleCount( status ));
}
public void sessionClosed(IoSession session){
System.out.println( "Closed ");
}
public void sessionOpened(IoSession session){
System.out.println( "Opened ");
}
}
