Better naming for some AbstractChannel's lock/event members

This commit is contained in:
Shikhar Bhushan
2012-06-06 22:51:25 +01:00
parent a50962ba2f
commit b44631ea97
3 changed files with 22 additions and 22 deletions

View File

@@ -81,11 +81,11 @@ public abstract class AbstractChannel
private final Queue<Event<ConnectionException>> chanReqResponseEvents = new LinkedList<Event<ConnectionException>>();
/* The lock used by to create the open & close events */
private final ReentrantLock lock = new ReentrantLock();
private final ReentrantLock openCloseLock = new ReentrantLock();
/** Channel open event */
protected final Event<ConnectionException> open;
protected final Event<ConnectionException> openEvent;
/** Channel close event */
protected final Event<ConnectionException> close;
protected final Event<ConnectionException> closeEvent;
/* Access to these fields should be synchronized using this object */
private boolean eofSent;
@@ -114,8 +114,8 @@ public abstract class AbstractChannel
lwin = new Window.Local(conn.getWindowSize(), conn.getMaxPacketSize());
in = new ChannelInputStream(this, trans, lwin);
open = new Event<ConnectionException>("chan#" + id + " / " + "open", ConnectionException.chainer, lock);
close = new Event<ConnectionException>("chan#" + id + " / " + "close", ConnectionException.chainer, lock);
openEvent = new Event<ConnectionException>("chan#" + id + " / " + "open", ConnectionException.chainer, openCloseLock);
closeEvent = new Event<ConnectionException>("chan#" + id + " / " + "close", ConnectionException.chainer, openCloseLock);
}
protected void init(int recipient, long remoteWinSize, long remoteMaxPacketSize) {
@@ -238,7 +238,7 @@ public abstract class AbstractChannel
public void notifyError(SSHException error) {
log.debug("Channel #{} got notified of {}", getID(), error.toString());
ErrorDeliveryUtil.alertEvents(error, open, close);
ErrorDeliveryUtil.alertEvents(error, openEvent, closeEvent);
ErrorDeliveryUtil.alertEvents(error, chanReqResponseEvents);
in.notifyError(error);
@@ -256,28 +256,28 @@ public abstract class AbstractChannel
@Override
public void close()
throws ConnectionException, TransportException {
lock.lock();
openCloseLock.lock();
try {
try {
sendClose();
} catch (TransportException e) {
if (!close.inError())
if (!closeEvent.inError())
throw e;
}
close.await(conn.getTimeout(), TimeUnit.SECONDS);
closeEvent.await(conn.getTimeout(), TimeUnit.SECONDS);
} finally {
lock.unlock();
openCloseLock.unlock();
}
}
public void join()
throws ConnectionException {
close.await();
closeEvent.await();
}
public void join(int timeout, TimeUnit unit)
throws ConnectionException {
close.await(timeout, unit);
closeEvent.await(timeout, unit);
}
protected synchronized void sendClose()
@@ -294,11 +294,11 @@ public abstract class AbstractChannel
@Override
public synchronized boolean isOpen() {
lock.lock();
openCloseLock.lock();
try {
return open.isSet() && !close.isSet() && !closeRequested;
return openEvent.isSet() && !closeEvent.isSet() && !closeRequested;
} finally {
lock.unlock();
openCloseLock.unlock();
}
}
@@ -329,7 +329,7 @@ public abstract class AbstractChannel
protected void finishOff() {
conn.forget(this);
close.set();
closeEvent.set();
}
protected void gotExtendedData(SSHPacket buf)
@@ -381,7 +381,7 @@ public abstract class AbstractChannel
Event<ConnectionException> responseEvent = null;
if (wantReply) {
responseEvent = new Event<ConnectionException>("chan#" + id + " / " + "chanreq for " + reqType,
ConnectionException.chainer);
ConnectionException.chainer);
chanReqResponseEvents.add(responseEvent);
}
return responseEvent;
@@ -399,7 +399,7 @@ public abstract class AbstractChannel
responseEvent.deliverError(new ConnectionException("Request failed"));
} else
throw new ConnectionException(DisconnectReason.PROTOCOL_ERROR,
"Received response to channel request when none was requested");
"Received response to channel request when none was requested");
}
}

View File

@@ -65,7 +65,7 @@ public abstract class AbstractDirectChannel
public void open()
throws ConnectionException, TransportException {
trans.write(buildOpenReq());
open.await(conn.getTimeout(), TimeUnit.SECONDS);
openEvent.await(conn.getTimeout(), TimeUnit.SECONDS);
}
private void gotOpenConfirmation(SSHPacket buf)
@@ -75,13 +75,13 @@ public abstract class AbstractDirectChannel
} catch (Buffer.BufferException be) {
throw new ConnectionException(be);
}
open.set();
openEvent.set();
}
private void gotOpenFailure(SSHPacket buf)
throws ConnectionException {
try {
open.deliverError(new OpenFailException(getType(), buf.readUInt32AsInt(), buf.readString()));
openEvent.deliverError(new OpenFailException(getType(), buf.readUInt32AsInt(), buf.readString()));
} catch (Buffer.BufferException be) {
throw new ConnectionException(be);
}

View File

@@ -73,7 +73,7 @@ public abstract class AbstractForwardedChannel
.putUInt32(getID())
.putUInt32(getLocalWinSize())
.putUInt32(getLocalMaxPacketSize()));
open.set();
openEvent.set();
}
@Override