Examples with MessageHeaderDecoder io.aeron.cluster.codecs.MessageHeaderDecoder used on opensource projects

Example 1 with MessageHeaderDecoder

use of io.aeron.cluster.codecs.MessageHeaderDecoder in project Aeron by real-logic.

the class TestCluster method validateRecordingLogWithReplay.

public void validateRecordingLogWithReplay(final int nodeId) {
    final TestNode node = node(nodeId);
    final ConsensusModule.Context consensusModuleCtx = node.consensusModule().context();
    final AeronArchive.Context clone = consensusModuleCtx.archiveContext().clone();
    try (AeronArchive aeronArchive = AeronArchive.connect(clone);
        RecordingLog recordingLog = new RecordingLog(consensusModuleCtx.clusterDir(), false)) {
        final RecordingLog.Entry lastTerm = recordingLog.findLastTerm();
        assertNotNull(lastTerm);
        final long recordingId = lastTerm.recordingId;
        final long recordingPosition = aeronArchive.getRecordingPosition(recordingId);
        final Subscription replay = aeronArchive.replay(recordingId, 0, recordingPosition, "aeron:udp?endpoint=localhost:6666", 100001);
        final MutableLong position = new MutableLong();
        final MessageHeaderDecoder messageHeaderDecoder = new MessageHeaderDecoder();
        final NewLeadershipTermEventDecoder newLeadershipTermEventDecoder = new NewLeadershipTermEventDecoder();
        while (position.get() < recordingPosition) {
            replay.poll((buffer, offset, length, header) -> {
                messageHeaderDecoder.wrap(buffer, offset);
                if (NewLeadershipTermEventDecoder.TEMPLATE_ID == messageHeaderDecoder.templateId()) {
                    newLeadershipTermEventDecoder.wrapAndApplyHeader(buffer, offset, messageHeaderDecoder);
                    final RecordingLog.Entry termEntry = recordingLog.findTermEntry(newLeadershipTermEventDecoder.leadershipTermId());
                    assertNotNull(termEntry);
                    assertEquals(newLeadershipTermEventDecoder.termBaseLogPosition(), termEntry.termBaseLogPosition);
                    if (0 < newLeadershipTermEventDecoder.leadershipTermId()) {
                        final RecordingLog.Entry previousTermEntry = recordingLog.findTermEntry(newLeadershipTermEventDecoder.leadershipTermId() - 1);
                        assertNotNull(previousTermEntry);
                        assertEquals(newLeadershipTermEventDecoder.termBaseLogPosition(), previousTermEntry.logPosition, previousTermEntry.toString());
                    }
                }
                position.set(header.position());
            }, 10);
        }
    }
}

Example 2 with MessageHeaderDecoder

use of io.aeron.cluster.codecs.MessageHeaderDecoder in project aeron by real-logic.

the class TestCluster method validateRecordingLogWithReplay.

public void validateRecordingLogWithReplay(final int nodeId) {
    final TestNode node = node(nodeId);
    final ConsensusModule.Context consensusModuleCtx = node.consensusModule().context();
    final AeronArchive.Context clone = consensusModuleCtx.archiveContext().clone();
    try (AeronArchive aeronArchive = AeronArchive.connect(clone);
        RecordingLog recordingLog = new RecordingLog(consensusModuleCtx.clusterDir(), false)) {
        final RecordingLog.Entry lastTerm = recordingLog.findLastTerm();
        assertNotNull(lastTerm);
        final long recordingId = lastTerm.recordingId;
        final long recordingPosition = aeronArchive.getRecordingPosition(recordingId);
        final Subscription replay = aeronArchive.replay(recordingId, 0, recordingPosition, "aeron:udp?endpoint=localhost:6666", 100001);
        final MutableLong position = new MutableLong();
        final MessageHeaderDecoder messageHeaderDecoder = new MessageHeaderDecoder();
        final NewLeadershipTermEventDecoder newLeadershipTermEventDecoder = new NewLeadershipTermEventDecoder();
        while (position.get() < recordingPosition) {
            replay.poll((buffer, offset, length, header) -> {
                messageHeaderDecoder.wrap(buffer, offset);
                if (NewLeadershipTermEventDecoder.TEMPLATE_ID == messageHeaderDecoder.templateId()) {
                    newLeadershipTermEventDecoder.wrapAndApplyHeader(buffer, offset, messageHeaderDecoder);
                    final RecordingLog.Entry termEntry = recordingLog.findTermEntry(newLeadershipTermEventDecoder.leadershipTermId());
                    assertNotNull(termEntry);
                    assertEquals(newLeadershipTermEventDecoder.termBaseLogPosition(), termEntry.termBaseLogPosition);
                    if (0 < newLeadershipTermEventDecoder.leadershipTermId()) {
                        final RecordingLog.Entry previousTermEntry = recordingLog.findTermEntry(newLeadershipTermEventDecoder.leadershipTermId() - 1);
                        assertNotNull(previousTermEntry);
                        assertEquals(newLeadershipTermEventDecoder.termBaseLogPosition(), previousTermEntry.logPosition, previousTermEntry.toString());
                    }
                }
                position.set(header.position());
            }, 10);
        }
    }
}