Examples with ManyToOneRingBuffer org.agrona.concurrent.ringbuffer.ManyToOneRingBuffer used on opensource projects

Example 21 with ManyToOneRingBuffer

use of org.agrona.concurrent.ringbuffer.ManyToOneRingBuffer in project Aeron by real-logic.

the class DriverEventLogger method logUntetheredSubscriptionStateChange.

/**
 * Log an untethered subscription state change.
 *
 * @param oldState       before the change.
 * @param newState       after the change.
 * @param subscriptionId to which the change applies.
 * @param streamId       of the image.
 * @param sessionId      of the image.
 * @param <E>            type of the event.
 */
public <E extends Enum<E>> void logUntetheredSubscriptionStateChange(final E oldState, final E newState, final long subscriptionId, final int streamId, final int sessionId) {
    final int length = untetheredSubscriptionStateChangeLength(oldState, newState);
    final int captureLength = captureLength(length);
    final int encodedLength = encodedLength(captureLength);
    final ManyToOneRingBuffer ringBuffer = this.ringBuffer;
    final int index = ringBuffer.tryClaim(toEventCodeId(UNTETHERED_SUBSCRIPTION_STATE_CHANGE), encodedLength);
    if (index > 0) {
        try {
            encodeUntetheredSubscriptionStateChange((UnsafeBuffer) ringBuffer.buffer(), index, captureLength, length, oldState, newState, subscriptionId, streamId, sessionId);
        } finally {
            ringBuffer.commit(index);
        }
    }
}

Example 22 with ManyToOneRingBuffer

use of org.agrona.concurrent.ringbuffer.ManyToOneRingBuffer in project Aeron by real-logic.

the class DriverEventLogger method logAddress.

/**
 * Log an address with associated event.
 *
 * @param code    representing the event type.
 * @param address to be logged.
 */
public void logAddress(final DriverEventCode code, final InetSocketAddress address) {
    final int length = socketAddressLength(address);
    final int captureLength = captureLength(length);
    final int encodedLength = encodedLength(captureLength);
    final ManyToOneRingBuffer ringBuffer = this.ringBuffer;
    final int index = ringBuffer.tryClaim(toEventCodeId(code), encodedLength);
    if (index > 0) {
        try {
            encode((UnsafeBuffer) ringBuffer.buffer(), index, captureLength, length, address);
        } finally {
            ringBuffer.commit(index);
        }
    }
}

Example 23 with ManyToOneRingBuffer

use of org.agrona.concurrent.ringbuffer.ManyToOneRingBuffer in project Aeron by real-logic.

the class DriverEventLogger method logString.

/**
 * Log a generic string associated with an event.
 *
 * @param code  for the event type.
 * @param value of the string to be logged.
 */
public void logString(final DriverEventCode code, final String value) {
    final int length = value.length() + SIZE_OF_INT;
    final int captureLength = captureLength(length);
    final int encodedLength = encodedLength(captureLength);
    final ManyToOneRingBuffer ringBuffer = this.ringBuffer;
    final int index = ringBuffer.tryClaim(toEventCodeId(code), encodedLength);
    if (index > 0) {
        try {
            encode((UnsafeBuffer) ringBuffer.buffer(), index, captureLength, length, value);
        } finally {
            ringBuffer.commit(index);
        }
    }
}

Example 24 with ManyToOneRingBuffer

use of org.agrona.concurrent.ringbuffer.ManyToOneRingBuffer in project Aeron by real-logic.

the class DriverEventLogger method log.

/**
 * Log an event for the driver.
 *
 * @param code   for the type of event.
 * @param buffer containing the encoded event.
 * @param offset in the buffer at which the event begins.
 * @param length of the encoded event.
 */
public void log(final DriverEventCode code, final DirectBuffer buffer, final int offset, final int length) {
    if (DRIVER_EVENT_CODES.contains(code)) {
        final int captureLength = captureLength(length);
        final int encodedLength = encodedLength(captureLength);
        final ManyToOneRingBuffer ringBuffer = this.ringBuffer;
        final int index = ringBuffer.tryClaim(toEventCodeId(code), encodedLength);
        if (index > 0) {
            try {
                encode((UnsafeBuffer) ringBuffer.buffer(), index, captureLength, length, buffer, offset);
            } finally {
                ringBuffer.commit(index);
            }
        }
    }
}

Example 25 with ManyToOneRingBuffer

use of org.agrona.concurrent.ringbuffer.ManyToOneRingBuffer in project Aeron by real-logic.

the class ClusterEventLogger method logRequestVote.

/**
 * Log a request to vote from a cluster candidate for leadership.
 *
 * @param logLeadershipTermId leadershipTermId processes from the log by the candidate.
 * @param logPosition         position reached in the log for the latest leadership term.
 * @param candidateTermId     the term id as the candidate sees it for the election.
 * @param candidateId         id of the candidate node.
 */
public void logRequestVote(final long logLeadershipTermId, final long logPosition, final long candidateTermId, final int candidateId) {
    final int length = requestVoteLength();
    final int captureLength = captureLength(length);
    final int encodedLength = encodedLength(captureLength);
    final ManyToOneRingBuffer ringBuffer = this.ringBuffer;
    final int index = ringBuffer.tryClaim(REQUEST_VOTE.toEventCodeId(), encodedLength);
    if (index > 0) {
        try {
            encodeRequestVote((UnsafeBuffer) ringBuffer.buffer(), index, captureLength, length, logLeadershipTermId, logPosition, candidateTermId, candidateId);
        } finally {
            ringBuffer.commit(index);
        }
    }
}