Examples of org.apache.catalina.cluster.io.ObjectReader

org.apache.catalina.cluster.io.ObjectReader
The object reader object is an object used in conjunction with java.nio TCP messages. This object stores the message bytes in a XByteBuffer until a full package has been received. When a full package has been received, the append method will call messageDataReceived on the callback object associated with this object reader.
This object uses an XByteBuffer which is an extendable object buffer that also allows for message encoding and decoding. @author Filip Hanik @author Peter Rossbach @version $Revision: 1.7 $, $Date: 2005/03/25 22:21:26 $

                    // Is a new connection coming in?
                    if (key.isAcceptable()) {
                        ServerSocketChannel server =
                            (ServerSocketChannel) key.channel();
                        SocketChannel channel = server.accept();
                        Object attach = new ObjectReader(channel, selector,
                                    this) ;
                        registerChannel(selector,
                                        channel,
                                        SelectionKey.OP_READ,
                                        attach);

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    {
        boolean packetReceived=false;
        SocketChannel channel = (SocketChannel) key.channel();
        int count;
        buffer.clear();      // make buffer empty
        ObjectReader reader = (ObjectReader)key.attachment();
        // loop while data available, channel is non-blocking
        while ((count = channel.read (buffer)) > 0) {
            buffer.flip();    // make buffer readable
            int pkgcnt = reader.append(buffer.array(),0,count);
            buffer.clear();    // make buffer empty
        }
        //check to see if any data is available
        int pkgcnt = reader.execute();
        while ( pkgcnt > 0 ) {
            if (synchronous) {
                sendAck(key,channel);
            } //end if
            pkgcnt--;

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                            (ServerSocketChannel) key.channel();
                        SocketChannel channel = server.accept();
                        registerChannel(selector,
                                        channel,
                                        SelectionKey.OP_READ,
                                        new ObjectReader(channel, selector,
                            callback));
                    }
                    // is there data to read on this channel?
                    //System.out.println("key readable="+key.isReadable());
                    if (key.isReadable()) {

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                            (ServerSocketChannel) key.channel();
                        SocketChannel channel = server.accept();
                        registerChannel(selector,
                                        channel,
                                        SelectionKey.OP_READ,
                                        new ObjectReader(channel, selector,
                            callback));
                    }
                    // is there data to read on this channel?
                    if (key.isReadable()) {
                        readDataFromSocket(key);

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    {
        boolean packetReceived=false;
        SocketChannel channel = (SocketChannel) key.channel();
        int count;
        buffer.clear();      // make buffer empty
        ObjectReader reader = (ObjectReader)key.attachment();
        // loop while data available, channel is non-blocking
        while ((count = channel.read (buffer)) > 0) {
            buffer.flip();    // make buffer readable
            int pkgcnt = reader.append(buffer.array(),0,count);
            buffer.clear();    // make buffer empty
        }
        //check to see if any data is available
        int pkgcnt = reader.execute();
        while ( pkgcnt > 0 ) {
            if (synchronous) {
                sendAck(key,channel);
            } //end if
            pkgcnt--;

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    {
        boolean packetReceived=false;
        SocketChannel channel = (SocketChannel) key.channel();
        int count;
        buffer.clear();      // make buffer empty
        ObjectReader reader = (ObjectReader)key.attachment();
        // loop while data available, channel is non-blocking
        while ((count = channel.read (buffer)) > 0) {
            buffer.flip();    // make buffer readable
            reader.append(buffer.array(),0,count);
            buffer.clear();    // make buffer empty
        }
        //check to see if any data is available
        int pkgcnt = reader.execute();
        if (log.isTraceEnabled()) {
            log.trace("sending " + pkgcnt + " ack packages to " + channel.socket().getLocalPort() );
        }
        
        if (sendAck) {

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                    // Is a new connection coming in?
                    if (key.isAcceptable()) {
                        ServerSocketChannel server =
                            (ServerSocketChannel) key.channel();
                        SocketChannel channel = server.accept();
                        Object attach = new ObjectReader(channel, selector,
                                    this) ;
                        registerChannel(selector,
                                        channel,
                                        SelectionKey.OP_READ,
                                        attach);

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    {
        boolean packetReceived=false;
        SocketChannel channel = (SocketChannel) key.channel();
        int count;
        buffer.clear();      // make buffer empty
        ObjectReader reader = (ObjectReader)key.attachment();
        // loop while data available, channel is non-blocking
        while ((count = channel.read (buffer)) > 0) {
            buffer.flip();    // make buffer readable
            reader.append(buffer.array(),0,count);
            buffer.clear();    // make buffer empty
        }
        //check to see if any data is available
        int pkgcnt = reader.execute();
        if (log.isTraceEnabled()) {
            log.trace("sending " + pkgcnt + " ack packages to " + channel.socket().getLocalPort() );
        }
        
        if (sendAck) {

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                        channel.socket().setSoLinger(isSoLingerOn(),getSoLingerTime());
                        channel.socket().setTrafficClass(getSoTrafficClass());
                        if(getTimeout() > -1)
                            channel.socket().setSoTimeout(getTimeout());
                        // attach Reader and register channel
                        Object attach = new ObjectReader(channel, selector,
                                    this) ;
                        registerChannel(selector,
                                        channel,
                                        SelectionKey.OP_READ,
                                        attach);

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        throws Exception
    {
        SocketChannel channel = (SocketChannel) key.channel();
        int count;
        buffer.clear();      // make buffer empty
        ObjectReader reader = (ObjectReader)key.attachment();
        // loop while data available, channel is non-blocking
        while ((count = channel.read (buffer)) > 0) {
            buffer.flip();    // make buffer readable
            reader.append(buffer.array(),0,count);
            buffer.clear();    // make buffer empty
        }
        //check to see if any data is available
        reader.execute();
        if (count < 0) {
            // close channel on EOF, invalidates the key
            channel.close();
            return;
        }

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org.apache.catalina.cluster.io.XByteBuffer

org.apache.catalina.cluster.tcp.ClusterData

org.apache.catalina.cluster.tcp.ReplicationListener

org.apache.catalina.cluster.tcp.TcpReplicationThread

org.apache.catalina.cluster.tcp.WorkerThread

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