Package com.google.code.yanf4j.core

Examples of com.google.code.yanf4j.core.WriteMessage

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  public void write(Object packet) {
    if (closed) {
      return;
    }
    WriteMessage message = wrapMessage(packet, null);
    scheduleWritenBytes.addAndGet(message.getWriteBuffer().remaining());
    writeFromUserCode(message);
  }
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  protected void onWrite(SelectionKey key) {
    boolean isLockedByMe = false;
    if (currentMessage.get() == null) {
      // get next message
      WriteMessage nextMessage = writeQueue.peek();
      if (nextMessage != null && writeLock.tryLock()) {
        if (!writeQueue.isEmpty()
            && currentMessage.compareAndSet(null, nextMessage)) {
          writeQueue.remove();
        }
      } else {
        return;
      }
    } else if (!writeLock.tryLock()) {
      return;
    }
    updateTimeStamp();

    isLockedByMe = true;
    WriteMessage currentMessage = null;
    // make read/write fail, write/read=3/2
    final long maxWritten = readBuffer.capacity() + readBuffer.capacity() >>> 1;
    try {
      long written = 0;
      while (this.currentMessage.get() != null) {
        currentMessage = this.currentMessage.get();
        currentMessage = preprocessWriteMessage(currentMessage);
        this.currentMessage.set(currentMessage);
        long before = this.currentMessage.get().getWriteBuffer()
            .remaining();
        Object writeResult = null;

        if (written < maxWritten) {
          writeResult = writeToChannel(currentMessage);
          written += this.currentMessage.get().getWriteBuffer()
              .remaining()
              - before;
        } else {
          // wait for next time to write
        }
        // write complete
        if (writeResult != null) {
          this.currentMessage.set(writeQueue.poll());
          handler.onMessageSent(this, currentMessage.getMessage());
          // try to get next message
          if (this.currentMessage.get() == null) {
            if (isLockedByMe) {
              isLockedByMe = false;
              writeLock.unlock();
            }
            // get next message
            WriteMessage nextMessage = writeQueue.peek();
            if (nextMessage != null && writeLock.tryLock()) {
              isLockedByMe = true;
              if (!writeQueue.isEmpty()
                  && this.currentMessage.compareAndSet(null,
                      nextMessage)) {
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    return message.getMessage();
  }

  @Override
  protected WriteMessage wrapMessage(Object msg, Future<Boolean> writeFuture) {
    WriteMessage message = new WriteMessageImpl(msg,
        (FutureImpl<Boolean>) writeFuture);
    if (message.getWriteBuffer() == null) {
      message.setWriteBuffer(this.encoder.encode(message.getMessage(), this));
    }
    return message;
  }
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    return super.tryTransfer(e);
  }

  @Override
  public WriteMessage take() throws InterruptedException {
    WriteMessage rt = super.take();
    releasePermit(rt);
    return rt;
  }
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  }

  @Override
  public WriteMessage poll(long timeout, TimeUnit unit)
      throws InterruptedException {
    WriteMessage rt = super.poll(timeout, unit);
    releasePermit(rt);
    return rt;
  }
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    return rt;
  }

  @Override
  public WriteMessage poll() {
    WriteMessage rt = super.poll();
    releasePermit(rt);
    return rt;
  }
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  public void write(Object packet) {
    if (closed) {
      return;
    }
    WriteMessage message = wrapMessage(packet, null);
    scheduleWritenBytes.addAndGet(message.getWriteBuffer().remaining());
    writeFromUserCode(message);
  }
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  protected void onWrite(SelectionKey key) {
    boolean isLockedByMe = false;
    if (currentMessage.get() == null) {
      // get next message
      WriteMessage nextMessage = writeQueue.peek();
      if (nextMessage != null && writeLock.tryLock()) {
        if (!writeQueue.isEmpty()
            && currentMessage.compareAndSet(null, nextMessage)) {
          writeQueue.remove();
        }
      } else {
        return;
      }
    } else if (!writeLock.tryLock()) {
      return;
    }

    isLockedByMe = true;
    WriteMessage currentMessage = null;
    // make read/write fail, write/read=3/2
    final long maxWritten = readBuffer.capacity() + readBuffer.capacity() >>> 1;
    try {
      long written = 0;
      while (this.currentMessage.get() != null) {
        currentMessage = this.currentMessage.get();
        currentMessage = preprocessWriteMessage(currentMessage);
        this.currentMessage.set(currentMessage);
        long before = this.currentMessage.get().getWriteBuffer()
            .remaining();
        Object writeResult = null;

        if (written < maxWritten) {
          writeResult = writeToChannel(currentMessage);
          written += this.currentMessage.get().getWriteBuffer()
              .remaining()
              - before;
        } else {
          // wait for next time to write
        }
        // write complete
        if (writeResult != null) {
          this.currentMessage.set(writeQueue.poll());
          handler.onMessageSent(this, currentMessage.getMessage());
          // try to get next message
          if (this.currentMessage.get() == null) {
            if (isLockedByMe) {
              isLockedByMe = false;
              writeLock.unlock();
            }
            // get next message
            WriteMessage nextMessage = writeQueue.peek();
            if (nextMessage != null && writeLock.tryLock()) {
              isLockedByMe = true;
              if (!writeQueue.isEmpty()
                  && this.currentMessage.compareAndSet(null,
                      nextMessage)) {
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    return message.getMessage();
  }

  @Override
  protected WriteMessage wrapMessage(Object msg, Future<Boolean> writeFuture) {
    WriteMessage message = new WriteMessageImpl(msg,
        (FutureImpl<Boolean>) writeFuture);
    if (message.getWriteBuffer() == null) {
      message.setWriteBuffer(this.encoder.encode(message.getMessage(),
          this));
    }
    return message;
  }
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