/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.geronimo.corba.channel.nio;
import java.io.IOException;
import java.net.Socket;
import java.nio.channels.SocketChannel;
import org.apache.geronimo.corba.channel.InputChannel;
import org.apache.geronimo.corba.channel.InputHandler;
import org.apache.geronimo.corba.channel.OutputChannel;
import org.apache.geronimo.corba.channel.RingByteBuffer;
import org.apache.geronimo.corba.channel.SocketTransportBase;
import org.apache.geronimo.corba.channel.Transport;
import org.apache.geronimo.corba.channel.TransportManager;
public class SyncNIOTransport extends SocketTransportBase {
protected SyncNIOTransport(TransportManager manager, InputHandler handler, Socket sock) {
super(manager, handler, sock);
}
protected RingByteBuffer allocateSendBuffer(int bufferSize) {
return new RingByteBuffer(bufferSize, false) {
protected void bufferFullHook(String how) throws IOException {
if (!sock.isOutputShutdown()) {
flushSendBuffer();
}
}
protected void bufferEmptyHook(String how) {
// what do we care? //
}
/**
* the send buffer was closed(), and we have send everything
*/
protected void readEOFHook() {
// do nothing //
try {
sock.shutdownOutput();
}
catch (IOException e) {
e.printStackTrace();
}
}
protected void relinquishInput() {
throw new InternalError();
}
protected void relinquishOutput() {
releaseOutputChannel();
}
};
}
protected void flushSendBuffer() throws IOException {
sendBuffer.writeTo(sock);
}
protected RingByteBuffer allocateReceiveBuffer(int bufferSize) {
return new RingByteBuffer(bufferSize, true) {
public String getName() {
return "receive buffer for " + sock;
}
protected void bufferFullHook(String how) {
// do nothing //
}
protected void bufferEmptyHook(String how) throws IOException {
if (!isClosedForPut()) {
fillReceiveBuffer();
}
}
protected void readEOFHook() {
// the client just read the EOF marker //
}
protected void relinquishInput() {
releaseInputChannel();
}
protected void relinquishOutput() {
throw new InternalError();
}
};
}
protected void fillReceiveBuffer() throws IOException {
receiveBuffer.readFrom(sock);
}
}