/**
* Helper method to run a specified task and automatically handle the closing of the stream.
*
* @param <S>
* @param task
* @param errorHandler
*/
public static <S extends Closeable> void closeOnComplete(
S stream, StreamTask<S> task, StreamErrorHandler errorHandler) {
try {
task.execute(stream);
} catch (Throwable t) {
errorHandler.handle(t);
} finally {
if (stream != null) {
try {
stream.close();
} catch (final IOException ignore) {
if (log.isLoggable(Level.FINER)) {
log.finer("Could not close stream due to: " + ignore.getMessage() + "; ignoring");
}
}
}
}
}
private int writeBuffer(
S session, WriteRequest req, boolean hasFragmentation, int maxLength, long currentTime)
throws Exception {
IoBuffer buf = (IoBuffer) req.getMessage();
int localWrittenBytes = 0;
if (buf.hasRemaining()) {
int length;
if (hasFragmentation) {
length = Math.min(buf.remaining(), maxLength);
} else {
length = buf.remaining();
}
try {
localWrittenBytes = write(session, buf, length);
} catch (IOException ioe) {
// We have had an issue while trying to send data to the
// peer : let's close the session.
session.close(true);
}
}
session.increaseWrittenBytes(localWrittenBytes, currentTime);
if (!buf.hasRemaining() || (!hasFragmentation && (localWrittenBytes != 0))) {
// Buffer has been sent, clear the current request.
int pos = buf.position();
buf.reset();
fireMessageSent(session, req);
// And set it back to its position
buf.position(pos);
}
return localWrittenBytes;
}
void serv(int i) {
try {
S = new DatagramSocket(i);
S.setSoTimeout(5000);
} catch (Exception exception) {
exception.printStackTrace();
if (S != null)
try {
S.close();
} catch (Exception exception2) {
}
return;
}
System.out.println(DF.format(new Date()) + "Waiting connections ...");
do
try {
buf = new byte[256];
P = new DatagramPacket(buf, buf.length);
S.receive(P);
Connection connection =
(Connection) Connections.get(P.getAddress().toString() + P.getPort());
if (connection == null) {
System.out.println(
DF.format(new Date())
+ "Connect from "
+ " ("
+ P.getAddress().getHostAddress()
+ ")");
connection = new Connection(this, P);
Connections.put(P.getAddress().toString() + P.getPort(), connection);
connection.start();
} else {
connection.packet(P);
}
} catch (Exception exception1) {
}
while (true);
}