/**
* @param id Handshake ID.
* @param c Closure to run on reserve.
* @return {@code True} if reserved.
*/
public boolean tryReserve(long id, IgniteInClosure<Boolean> c) {
synchronized (this) {
if (connected) {
c.apply(false);
return false;
}
if (reserved) {
if (handshakeReq != null) {
assert handshakeReq.get1() != null;
long id0 = handshakeReq.get1();
assert id0 != id : id0;
if (id > id0) {
IgniteInClosure<Boolean> c0 = handshakeReq.get2();
assert c0 != null;
c0.apply(false);
handshakeReq = new IgniteBiTuple<>(id, c);
} else c.apply(false);
} else handshakeReq = new IgniteBiTuple<>(id, c);
return false;
} else {
reserved = true;
return true;
}
}
}
public void release() {
GridNioFuture<?>[] futs = null;
synchronized (this) {
connected = false;
if (handshakeReq != null) {
IgniteInClosure<Boolean> c = handshakeReq.get2();
assert c != null;
handshakeReq = null;
c.apply(true);
} else {
reserved = false;
notifyAll();
}
if (nodeLeft && !msgFuts.isEmpty()) {
futs = msgFuts.toArray(new GridNioFuture<?>[msgFuts.size()]);
msgFuts.clear();
}
}
if (futs != null) completeOnNodeLeft(futs);
}
public void connected() {
synchronized (this) {
assert reserved : this;
assert !connected : this;
connected = true;
if (handshakeReq != null) {
IgniteInClosure<Boolean> c = handshakeReq.get2();
assert c != null;
c.apply(false);
handshakeReq = null;
}
notifyAll();
}
}
/** {@inheritDoc} */
@Override
public synchronized boolean sendMessage(
@Nullable UUID nodeId, Message msg, IgniteInClosure<IgniteException> closure)
throws IgniteCheckedException {
if (closed()) throw new IgniteCheckedException("Communication client was closed: " + this);
assert writeBuf.hasArray();
try {
int cnt = U.writeMessageFully(msg, shmem.outputStream(), writeBuf, formatter.writer());
metricsLsnr.onBytesSent(cnt);
} catch (IOException e) {
throw new IgniteCheckedException("Failed to send message to remote node: " + shmem, e);
}
markUsed();
if (closure != null) closure.apply(null);
return false;
}