@Override
public final void run(Timeout timeout) throws Exception {
if (timeout.isCancelled()) {
// reschedule has already been done, don't incur the overhead of redoing it
return;
}
long startPoint = Math.max(getLastIoTimeMillis(), getLastIdleTimeMillis());
// Doing the calculation here avoids having to call currentTimeMillis twice (here and in
// reschedule).
// Given that the precision of timeout is limited, and that lastIdleTime is only updated if
// idle is fired, we must
// always call currentTimeMillis(). For example, imagine session idle last fired at t0.
// Timeout will occur at or
// after t0 + configured idleTime. Even if an I/O event occurred after t0, we may still need
// to fire sessionIdle.
long timeUntilSessionIdle = startPoint + idleTimeMillis - currentTimeMillis();
if (timeUntilSessionIdle <= 0 && idleTimeMillis != 0) {
fireSessionIdle(filterChain);
reschedule(idleTimeMillis);
} else {
// An intervening I/O means we should not fire session idle, but we must reschedule to
// ensure accuracy
// of when we do fire sessionIdle.
reschedule(timeUntilSessionIdle);
}
}
@Override
public void run(Timeout timeout) throws Exception {
if (timeout.isCancelled()) {
return;
}
if (!ctx.getChannel().isOpen()) {
return;
}
State state = (State) ctx.getAttachment();
long currentTime = System.currentTimeMillis();
long nextDelay = timeoutMillis - (currentTime - state.lastReadTime);
if (nextDelay <= 0) {
// Read timed out - set a new timeout and notify the callback.
state.timeout = timer.newTimeout(this, timeoutMillis, TimeUnit.MILLISECONDS);
try {
// FIXME This should be called from an I/O thread.
// To be fixed in Netty 4.
readTimedOut(ctx);
} catch (Throwable t) {
fireExceptionCaught(ctx, t);
}
} else {
// Read occurred before the timeout - set a new timeout with shorter delay.
state.timeout = timer.newTimeout(this, nextDelay, TimeUnit.MILLISECONDS);
}
}
private void reschedule(long delayMillis) {
// KG-9954 - We do not want to synchronize the reschedule method, instead use the NULL Timeout
// in case
// timeout gets set to null by another thread before we call cancel.
if (timeout != NULL_TIMEOUT) {
timeout.cancel();
}
if (idleTimeMillis != 0) {
timeout = timer.newTimeout(this, delayMillis, MILLISECONDS);
} else {
timeout = NULL_TIMEOUT;
}
}
/** {@inheritDoc} */
public boolean removeAll(Channel channel) {
if (isClosed.get()) return false;
boolean isRemoved = false;
Iterator<Map.Entry<String, ConcurrentLinkedQueue<Channel>>> i =
connectionsPool.entrySet().iterator();
while (i.hasNext()) {
Map.Entry<String, ConcurrentLinkedQueue<Channel>> e = i.next();
boolean removed = e.getValue().remove(channel);
if (removed) {
log.debug("Removing uri: {} for channel {}", e.getKey(), e.getValue());
Timeout idleFuture = trackedIdleConnections.remove(channel);
if (idleFuture != null) {
idleFuture.cancel();
} else {
log.debug(
"ConnectionsPool decrementAndGet totalConnections {}", trackedIdleConnections.size());
}
}
isRemoved |= removed;
}
return isRemoved;
}
/** {@inheritDoc} */
public Channel poll(String uri) {
if (!provider.getConfig().isSslConnectionPoolEnabled() && uri.startsWith("https")) {
return null;
}
Channel channel = null;
ConcurrentLinkedQueue<Channel> pooledConnectionForHost = connectionsPool.get(uri);
if (pooledConnectionForHost != null) {
boolean poolEmpty = false;
while (!poolEmpty && channel == null) {
if (pooledConnectionForHost.size() > 0) {
channel = pooledConnectionForHost.poll();
}
if (channel == null) {
poolEmpty = true;
} else if (!channel.isConnected() || !channel.isOpen()) {
removeAll(channel);
channel = null;
} else {
Timeout idleFuture = trackedIdleConnections.remove(channel);
if (idleFuture != null) {
idleFuture.cancel();
}
// Double checking the channel hasn't been closed in between.
if (!channel.isConnected() || !channel.isOpen()) {
channel = null;
}
log.debug(
"ConnectionsPool decrementAndGet totalConnections {}", trackedIdleConnections.size());
}
}
}
return channel;
}
public void run(Timeout timeout) {
if (isClosed.get()) return;
Object attachment =
channel.getPipeline().getContext(NettyAsyncHttpProvider.class).getAttachment();
if (attachment != null) {
if (NettyResponseFuture.class.isAssignableFrom(attachment.getClass())) {
NettyResponseFuture<?> future = (NettyResponseFuture<?>) attachment;
if (!future.isDone() && !future.isCancelled()) {
log.warn("Future not in appropriate state {}", future);
return;
}
}
}
if (activeChannels.remove(channel)) {
log.debug("Channel idle. Expiring {}", channel);
close(channel);
}
timeout.cancel();
}
/** Stops the host monitor. */
void shutdown() {
synchronized (this) {
timeout.cancel();
timeout = null;
}
}
