com.sshtools.synergy.ssh.ForwardingDataWindow Maven / Gradle / Ivy
package com.sshtools.synergy.ssh;
/*-
* #%L
* Common API
* %%
* Copyright (C) 2002 - 2024 JADAPTIVE Limited
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.io.IOException;
import java.nio.channels.SocketChannel;
public class ForwardingDataWindow extends CachingDataWindow {
ForwardingDataWindow(int maximumWindowSpace) {
super(maximumWindowSpace, true);
}
public synchronized int write(SocketChannel socketChannel) throws IOException {
if(Boolean.getBoolean("maverick.disableMaximumWrite")) {
return socketChannel.write(cache);
} else {
int c = 0;
while(true) {
int r = socketChannel.write(cache);
if(r<=0) {
break;
}
c+=r;
}
return c;
}
}
public synchronized int read(SocketChannel socketChannel) throws IOException {
cache.compact();
try {
return socketChannel.read(cache);
} finally {
cache.flip();
}
}
}