Examples of com.sleepycat.je.rep.stream.Protocol

com.sleepycat.je.rep.stream.Protocol
Defines the messages used to set up a feeder-replica replication stream. From Feeder to Replica Heartbeat -> HeartbeatResponse Commit -> Ack Entry Note: in the future, we may want to support bulk entry messages From Replica to Feeder The following subset of messages represents the handshake protocol that precedes the transmission of replication log entries. ReplicaProtocolVersion -> FeederProtocolVersion | DuplicateNodeReject ReplicaJEVersions -> FeederJEVersions | JEVersions Reject MembershipInfo -> MembershipInfoOK | MembershipInfoReject SNTPRequest -> SNTPResponse Note that there may be multiple SNTPRequest/SNTPResponse message pairs that are exchanged as part of a single handshake. So a successful handshake requested sequence generated by the Replica looks like: ReplicaProtocolVersion ReplicaJEVersions MembershipInfo [SNTPRequest]+ The following messages constitute the syncup and the transmission of log entries. EntryRequest -> Entry | EntryNotFound | AlternateMatchpoint RestoreRequest -> RestoreResponse StartStream The Protocol instance has local state in terms of buffers that are reused across multiple messages. A Protocol instance is expected to be used in strictly serial fashion. Consequently, there is an instance for each Replica to Feeder connection, and two instances per Feeder to Replica connection: one for the InputThread and one for the OutputThread.

        shutdown.set(true);
    }


    /* Get the protocol stats of this Feeder. */
    public StatGroup getProtocolStats(StatsConfig config) {
        final Protocol protocol = outputThread.protocol;


        return (protocol != null) ?
               protocol.getStats(config) :
               new StatGroup(BinaryProtocolStatDefinition.GROUP_NAME,
                             BinaryProtocolStatDefinition.GROUP_DESC);
    }

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               new StatGroup(BinaryProtocolStatDefinition.GROUP_NAME,
                             BinaryProtocolStatDefinition.GROUP_DESC);
    }


    void resetStats() {
        final Protocol protocol = outputThread.protocol;
        if (protocol != null) {
            protocol.resetStats();
        }
    }

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    /* Get the protocl statistics for this replica. */
    public StatGroup getProtocolStats(StatsConfig config) {
        StatGroup protoStats = aggProtoStats.cloneGroup(config.getClear());


        /* Guard against concurrent modification. */
        Protocol prot = this.protocol;
        if (prot != null) {
            /* These statistics are not ye a part of the agg statistics. */
            protoStats.addAll(prot.getStats(config));
        }


        return protoStats;
    }

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    /* Get the protocl statistics for this replica. */
    public StatGroup getProtocolStats(StatsConfig config) {
        StatGroup protoStats = aggProtoStats.cloneGroup(config.getClear());


        /* Guard against concurrent modification. */
        Protocol prot = this.protocol;
        if (prot != null) {
            /* These statistics are not ye a part of the agg statistics. */
            protoStats.addAll(prot.getStats(config));
        }


        return protoStats;
    }

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        shutdown.set(true);
    }


    /* Get the protocol stats of this Feeder. */
    public StatGroup getProtocolStats(StatsConfig config) {
        final Protocol protocol = outputThread.protocol;


        return (protocol != null) ?
               protocol.getStats(config) :
               new StatGroup(BinaryProtocolStatDefinition.GROUP_NAME,
                             BinaryProtocolStatDefinition.GROUP_DESC);
    }

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               new StatGroup(BinaryProtocolStatDefinition.GROUP_NAME,
                             BinaryProtocolStatDefinition.GROUP_DESC);
    }


    void resetStats() {
        final Protocol protocol = outputThread.protocol;
        if (protocol != null) {
            protocol.resetStats();
        }
    }

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Related Classes of com.sleepycat.je.rep.stream.Protocol

com.sleepycat.je.JEVersion

com.sleepycat.je.rep.impl.node.Feeder

com.sleepycat.je.rep.impl.node.Replica

com.sleepycat.je.utilint.VLSN

java.util.UUID

java.nio.ByteBuffer

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