view src/com/trilead/ssh2/channel/StreamForwarder.java @ 260:edf4dacea9ff
allow both fixed rows/columns and specified font size
author |
Carl Byington <carl@five-ten-sg.com> |
date |
Tue, 15 Jul 2014 14:17:22 -0700 (2014-07-15) |
parents |
0ce5cc452d02 |
children |
|
line source
package com.trilead.ssh2.channel;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
/**
* A StreamForwarder forwards data between two given streams.
* If two StreamForwarder threads are used (one for each direction)
* then one can be configured to shutdown the underlying channel/socket
* if both threads have finished forwarding (EOF).
*
* @author Christian Plattner, plattner@trilead.com
* @version $Id: StreamForwarder.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
*/
public class StreamForwarder extends Thread {
final OutputStream os;
final InputStream is;
final byte[] buffer = new byte[Channel.CHANNEL_BUFFER_SIZE];
final Channel c;
final StreamForwarder sibling;
final Socket s;
final String mode;
StreamForwarder(Channel c, StreamForwarder sibling, Socket s, InputStream is, OutputStream os, String mode)
throws IOException {
this.is = is;
this.os = os;
this.mode = mode;
this.c = c;
this.sibling = sibling;
this.s = s;
}
public void run() {
try {
while (true) {
int len = is.read(buffer);
if (len <= 0)
break;
os.write(buffer, 0, len);
os.flush();
}
}
catch (IOException ignore) {
try {
c.cm.closeChannel(c, "Closed due to exception in StreamForwarder (" + mode + "): "
+ ignore.getMessage(), true);
}
catch (IOException e) {
}
}
finally {
try {
os.close();
}
catch (IOException e1) {
}
try {
is.close();
}
catch (IOException e2) {
}
if (sibling != null) {
while (sibling.isAlive()) {
try {
sibling.join();
}
catch (InterruptedException e) {
}
}
try {
c.cm.closeChannel(c, "StreamForwarder (" + mode + ") is cleaning up the connection", true);
}
catch (IOException e3) {
}
}
if (s != null) {
try {
s.close();
}
catch (IOException e1) {
}
}
}
}
}