public void msgChannelClose(byte[] msg, int msglen) throws IOException {
if (msglen != 5)
throw new IOException("SSH_MSG_CHANNEL_CLOSE message has wrong size (" + msglen + ")");
int id =
((msg[1] & 0xff) << 24)
| ((msg[2] & 0xff) << 16)
| ((msg[3] & 0xff) << 8)
| (msg[4] & 0xff);
Channel c = getChannel(id);
if (c == null)
throw new IOException(
"Unexpected SSH_MSG_CHANNEL_CLOSE message for non-existent channel " + id);
synchronized (c) {
c.EOF = true;
c.state = Channel.STATE_CLOSED;
c.setReasonClosed("Close requested by remote");
c.closeMessageRecv = true;
removeChannel(c.localID);
c.notifyAll();
}
log.debug("Got SSH_MSG_CHANNEL_CLOSE (channel " + id + ")");
}
public void handleMessage(byte[] msg, int msglen) throws IOException {
if (msg == null) {
log.debug("HandleMessage: got shutdown");
synchronized (listenerThreads) {
for (IChannelWorkerThread lat : listenerThreads) {
lat.stopWorking();
}
listenerThreadsAllowed = false;
}
synchronized (channels) {
shutdown = true;
for (Channel c : channels) {
synchronized (c) {
c.EOF = true;
c.state = Channel.STATE_CLOSED;
c.setReasonClosed("The connection is being shutdown");
c.closeMessageRecv = true; /*
* You never know, perhaps
* we are waiting for a
* pending close message
* from the server...
*/
c.notifyAll();
}
}
channels.clear();
channels.notifyAll(); /* Notify global response waiters */
return;
}
}
switch (msg[0]) {
case Packets.SSH_MSG_CHANNEL_OPEN_CONFIRMATION:
msgChannelOpenConfirmation(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_WINDOW_ADJUST:
msgChannelWindowAdjust(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_DATA:
msgChannelData(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_EXTENDED_DATA:
msgChannelExtendedData(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_REQUEST:
msgChannelRequest(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_EOF:
msgChannelEOF(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_OPEN:
msgChannelOpen(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_CLOSE:
msgChannelClose(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_SUCCESS:
msgChannelSuccess(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_FAILURE:
msgChannelFailure(msg, msglen);
break;
case Packets.SSH_MSG_CHANNEL_OPEN_FAILURE:
msgChannelOpenFailure(msg, msglen);
break;
case Packets.SSH_MSG_GLOBAL_REQUEST:
msgGlobalRequest(msg, msglen);
break;
case Packets.SSH_MSG_REQUEST_SUCCESS:
msgGlobalSuccess();
break;
case Packets.SSH_MSG_REQUEST_FAILURE:
msgGlobalFailure();
break;
default:
throw new IOException("Cannot handle unknown channel message " + (msg[0] & 0xff));
}
}