internal ClusteredServiceAgent(ClusteredServiceContainer.Context ctx)
{
this.ctx = ctx;
archiveCtx = ctx.ArchiveContext();
aeron = ctx.Aeron();
service = ctx.ClusteredService();
idleStrategy = ctx.IdleStrategy();
serviceId = ctx.ServiceId();
epochClock = ctx.EpochClock();
markFile = ctx.MarkFile();
var channel = ctx.ServiceControlChannel();
_consensusModuleProxy = new ConsensusModuleProxy(aeron.AddPublication(channel, ctx.ConsensusModuleStreamId()));
_serviceAdapter = new ServiceAdapter(aeron.AddSubscription(channel, ctx.ServiceStreamId()), this);
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[SESSION_HEADER_LENGTH]);
_egressMessageHeaderEncoder.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder());
_vectors[0] = new DirectBufferVector(headerBuffer, 0, SESSION_HEADER_LENGTH);
_vectors[1] = _messageVector;
}
internal ClusteredServiceAgent(ClusteredServiceContainer.Context ctx)
{
this.ctx = ctx;
headerVector = new DirectBufferVector(headerBuffer, 0, headerBuffer.Capacity);
abortHandler = Abort;
archiveCtx = ctx.ArchiveContext();
aeron = ctx.Aeron();
aeronAgentInvoker = ctx.Aeron().ConductorAgentInvoker;
service = ctx.ClusteredService();
idleStrategy = ctx.IdleStrategy();
serviceId = ctx.ServiceId();
epochClock = ctx.EpochClock();
markFile = ctx.MarkFile();
var channel = ctx.ServiceControlChannel();
_consensusModuleProxy =
new ConsensusModuleProxy(aeron.AddPublication(channel, ctx.ConsensusModuleStreamId()));
_serviceAdapter = new ServiceAdapter(aeron.AddSubscription(channel, ctx.ServiceStreamId()), this);
_sessionMessageHeaderEncoder.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder());
aeron.AddCloseHandler(abortHandler);
}
/// <summary>
/// Construct a new session header wrapper.
/// </summary>
/// <param name="clusterSessionId"> that has been allocated by the cluster. </param>
public SessionDecorator(long clusterSessionId)
{
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[SESSION_HEADER_LENGTH]);
sessionHeaderEncoder.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder()).ClusterSessionId(clusterSessionId);
vectors[0] = new DirectBufferVector(headerBuffer, 0, SESSION_HEADER_LENGTH);
vectors[1] = messageBuffer;
}
/// <summary>
/// Construct a new session header wrapper.
/// </summary>
/// <param name="clusterSessionId"> that has been allocated by the cluster. </param>
/// <param name="leadershipTermId"> of the current leader.</param>
public IngressSessionDecorator(long clusterSessionId, long leadershipTermId)
{
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[INGRESS_MESSAGE_HEADER_LENGTH]);
ingressMessageHeaderEncoder
.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder())
.LeadershipTermId(leadershipTermId)
.ClusterSessionId(clusterSessionId)
.Timestamp(Aeron.Aeron.NULL_VALUE);
vectors[0] = new DirectBufferVector(headerBuffer, 0, INGRESS_MESSAGE_HEADER_LENGTH);
vectors[1] = messageVector;
}
/// <summary>
/// Construct a new session header wrapper.
/// </summary>
/// <param name="clusterSessionId"> that has been allocated by the cluster. </param>
/// <param name="lastCorrelationId"> the last correlation id that was sent to the cluster with this session.</param>
public SessionDecorator(long clusterSessionId, long lastCorrelationId = Aeron.Aeron.NULL_VALUE)
{
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[SESSION_HEADER_LENGTH]);
sessionHeaderEncoder
.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder())
.ClusterSessionId(clusterSessionId)
.Timestamp(Aeron.Aeron.NULL_VALUE);
vectors[0] = new DirectBufferVector(headerBuffer, 0, SESSION_HEADER_LENGTH);
vectors[1] = messageBuffer;
this.lastCorrelationId = lastCorrelationId;
}
internal ClientSession(long sessionId, int responseStreamId, string responseChannel, byte[] encodedPrincipal, ICluster cluster)
{
_id = sessionId;
_responseStreamId = responseStreamId;
_responseChannel = responseChannel;
_encodedPrincipal = encodedPrincipal;
_cluster = cluster;
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[SESSION_HEADER_LENGTH]);
_sessionHeaderEncoder.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder()).ClusterSessionId(sessionId);
_vectors[0] = new DirectBufferVector(headerBuffer, 0, SESSION_HEADER_LENGTH);
_vectors[1] = _messageBuffer;
}
/// <summary>
/// Construct a new session header wrapper.
/// </summary>
/// <param name="lastCorrelationId"> the last correlation id that was sent to the cluster with this session.</param>
/// <param name="clusterSessionId"> that has been allocated by the cluster. </param>
/// <param name="leadershipTermId"> of the current leader.</param>
public IngressSessionDecorator(long lastCorrelationId, long clusterSessionId, long leadershipTermId)
{
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[INGRESS_MESSAGE_HEADER_LENGTH]);
ingressMessageHeaderEncoder
.WrapAndApplyHeader(headerBuffer, 0, new MessageHeaderEncoder())
.CorrelationId(lastCorrelationId)
.ClusterSessionId(clusterSessionId)
.LeadershipTermId(leadershipTermId);
vectors[0] = new DirectBufferVector(headerBuffer, 0, INGRESS_MESSAGE_HEADER_LENGTH);
vectors[1] = messageVector;
this.lastCorrelationId = lastCorrelationId;
}
private AeronCluster(Context ctx)
{
_ctx = ctx;
Subscription subscription = null;
try
{
ctx.Conclude();
_aeron = ctx.Aeron();
_idleStrategy = ctx.IdleStrategy();
_nanoClock = _aeron.Ctx().NanoClock();
_isUnicast = ctx.ClusterMemberEndpoints() != null;
UpdateMemberEndpoints(ctx.ClusterMemberEndpoints());
subscription = _aeron.AddSubscription(ctx.EgressChannel(), ctx.EgressStreamId());
_subscription = subscription;
_publication = ConnectToCluster();
_clusterSessionId = OpenSession();
UnsafeBuffer headerBuffer = new UnsafeBuffer(new byte[SessionDecorator.SESSION_HEADER_LENGTH]);
_sessionHeaderEncoder
.WrapAndApplyHeader(headerBuffer, 0, _messageHeaderEncoder)
.ClusterSessionId(_clusterSessionId)
.Timestamp(Aeron.Aeron.NULL_VALUE);
_vectors[0] = new DirectBufferVector(headerBuffer, 0, SessionDecorator.SESSION_HEADER_LENGTH);
_vectors[1] = _messageBuffer;
_poller = new Poller(ctx.SessionMessageListener(), _clusterSessionId, this);
_fragmentAssembler = new FragmentAssembler(_poller);
}
catch (Exception)
{
if (!ctx.OwnsAeronClient())
{
CloseHelper.QuietDispose(_publication);
CloseHelper.QuietDispose(subscription);
}
CloseHelper.QuietDispose(ctx);
throw;
}
}
