michaelandrepearce commented on a change in pull request #2467: ARTEMIS-2205
Performance improvements on AMQP and other parts
URL: https://github.com/apache/activemq-artemis/pull/2467#discussion_r256896902
##########
File path:
artemis-protocols/artemis-amqp-protocol/src/main/java/org/apache/activemq/artemis/protocol/amqp/proton/handler/ProtonHandler.java
##########
@@ -106,75 +106,51 @@ public ProtonHandler(Executor flushExecutor, boolean
isServer) {
}
public Long tick(boolean firstTick) {
- if (firstTick) {
- // the first tick needs to guarantee a lock here
- lock.lock();
- } else {
- if (!lock.tryLock()) {
- log.debug("Cannot hold a lock on ProtonHandler for Tick, it will
retry shortly");
- // if we can't lock the scheduler will retry in a very short
period of time instead of holding the lock here
- return null;
- }
- }
- try {
- if (!firstTick) {
- try {
- if (connection.getLocalState() != EndpointState.CLOSED) {
- long rescheduleAt =
transport.tick(TimeUnit.NANOSECONDS.toMillis(System.nanoTime()));
- if (transport.isClosed()) {
- throw new IllegalStateException("Channel was inactive for
to long");
- }
- return rescheduleAt;
+ requireHandler();
+ if (!firstTick) {
+ try {
+ if (connection.getLocalState() != EndpointState.CLOSED) {
+ long rescheduleAt =
transport.tick(TimeUnit.NANOSECONDS.toMillis(System.nanoTime()));
+ if (transport.isClosed()) {
+ throw new IllegalStateException("Channel was inactive for to
long");
}
- } catch (Exception e) {
- log.warn(e.getMessage(), e);
- transport.close();
- connection.setCondition(new ErrorCondition());
+ return rescheduleAt;
}
- return 0L;
+ } catch (Exception e) {
+ log.warn(e.getMessage(), e);
+ transport.close();
+ connection.setCondition(new ErrorCondition());
+ } finally {
+ flush();
}
- return
transport.tick(TimeUnit.NANOSECONDS.toMillis(System.nanoTime()));
- } finally {
- lock.unlock();
- flushBytes();
+ return 0L;
}
+ return transport.tick(TimeUnit.NANOSECONDS.toMillis(System.nanoTime()));
}
/**
* We cannot flush until the initial handshake was finished.
* If this happens before the handshake, the connection response will
happen without SASL
* and the client will respond and fail with an invalid code.
- * */
+ */
public void scheduledFlush() {
if (receivedFirstPacket) {
flush();
}
}
public int capacity() {
- lock.lock();
- try {
- return transport.capacity();
- } finally {
- lock.unlock();
- }
- }
-
- public void lock() {
- lock.lock();
+ requireHandler();
+ return transport.capacity();
}
- public void unlock() {
- lock.unlock();
- }
-
- public boolean tryLock(long time, TimeUnit timeUnit) {
- try {
- return lock.tryLock(time, timeUnit);
- } catch (InterruptedException e) {
-
- Thread.currentThread().interrupt();
- return false;
+ public void requireHandler() {
+ if (!workerExecutor.inEventLoop()) {
+ new Exception("saco!!!").printStackTrace();
Review comment:
Great easter egg! ;)
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