/**
* @param channel
* @param extendedType
* @param data
* @throws IOException
*/
public synchronized void sendChannelExtData(Channel channel, int extendedType, byte[] data)
throws IOException {
channel.getRemoteWindow().consumeWindowSpace(data.length);
int sent = 0;
int block;
int remaining;
long max;
byte[] buffer;
ChannelDataWindow window = channel.getRemoteWindow();
while (sent < data.length) {
remaining = data.length - sent;
max =
((window.getWindowSpace() < channel.getRemotePacketSize())
&& (window.getWindowSpace() > 0))
? window.getWindowSpace()
: channel.getRemotePacketSize();
block = (max < remaining) ? (int) max : remaining;
channel.remoteWindow.consumeWindowSpace(block);
buffer = new byte[block];
System.arraycopy(data, sent, buffer, 0, block);
SshMsgChannelExtendedData msg =
new SshMsgChannelExtendedData(channel.getRemoteChannelId(), extendedType, buffer);
transport.sendMessage(msg, this);
/* if (type != null) {
channel.sendChannelExtData(type.intValue(), buffer);
} else {
channel.sendChannelData(buffer);
}*/
sent += block;
}
}
private void onMsgChannelWindowAdjust(SshMsgChannelWindowAdjust msg) throws IOException {
Channel channel = getChannel(msg.getRecipientChannel());
if (channel == null) {
throw new IOException(
"Remote computer tried to increase "
+ "window space for non existent channel "
+ String.valueOf(msg.getRecipientChannel()));
}
channel.getRemoteWindow().increaseWindowSpace(msg.getBytesToAdd());
if (log.isDebugEnabled()) {
log.debug(String.valueOf(msg.getBytesToAdd()) + " bytes added to remote window");
log.debug(
"Remote window space is " + String.valueOf(channel.getRemoteWindow().getWindowSpace()));
}
}
/**
* @param channel
* @param data
* @throws IOException
*/
public synchronized void sendChannelData(Channel channel, byte[] data) throws IOException {
synchronized (channel.getState()) {
if (log.isDebugEnabled()) {
log.debug(
"Sending "
+ String.valueOf(data.length)
+ " bytes for channel id "
+ String.valueOf(channel.getLocalChannelId()));
}
int sent = 0;
int block;
int remaining;
long max;
byte[] buffer;
ChannelDataWindow window = channel.getRemoteWindow();
while (sent < data.length) {
remaining = data.length - sent;
max =
((window.getWindowSpace() < channel.getRemotePacketSize())
&& (window.getWindowSpace() > 0))
? window.getWindowSpace()
: channel.getRemotePacketSize();
block = (max < remaining) ? (int) max : remaining;
channel.remoteWindow.consumeWindowSpace(block);
buffer = new byte[block];
System.arraycopy(data, sent, buffer, 0, block);
SshMsgChannelData msg = new SshMsgChannelData(channel.getRemoteChannelId(), buffer);
transport.sendMessage(msg, this);
/* if (type != null) {
channel.sendChannelExtData(type.intValue(), buffer);
} else {
channel.sendChannelData(buffer);
}*/
sent += block;
}
}
}
