public void MarkSnapshot(
long snapshotTypeId,
long logPosition,
long leadershipTermId,
int snapshotIndex,
SnapshotMark snapshotMark,
ClusterTimeUnit timeUnit,
int appVersion)
{
idleStrategy.Reset();
while (true)
{
long result = publication.TryClaim(ENCODED_MARKER_LENGTH, bufferClaim);
if (result > 0)
{
snapshotMarkerEncoder
.WrapAndApplyHeader(bufferClaim.Buffer, bufferClaim.Offset, messageHeaderEncoder)
.TypeId(snapshotTypeId)
.LogPosition(logPosition)
.LeadershipTermId(leadershipTermId)
.Index(snapshotIndex)
.Mark(snapshotMark)
.TimeUnit(timeUnit)
.AppVersion(appVersion);
bufferClaim.Commit();
break;
}
CheckResultAndIdle(result);
}
}
public void MarkEnd(
long snapshotTypeId,
long logPosition,
long leadershipTermId,
int snapshotIndex,
ClusterTimeUnit timeUnit,
int appVersion)
{
MarkSnapshot(
snapshotTypeId, logPosition, leadershipTermId, snapshotIndex, SnapshotMark.END, timeUnit, appVersion);
}
public void OnNewLeadershipTermEvent(
long leadershipTermId,
long logPosition,
long timestamp,
long termBaseLogPosition,
int leaderMemberId,
int logSessionId,
ClusterTimeUnit timeUnit,
int appVersion)
{
Console.WriteLine($"OnNewLeadershipTerm: leadershipTermId={leadershipTermId}");
}
public SnapshotMarkerEncoder TimeUnit(ClusterTimeUnit value)
{
_buffer.PutInt(_offset + 32, (int)value, ByteOrder.LittleEndian);
return(this);
}
public NewLeadershipTermEventEncoder TimeUnit(ClusterTimeUnit value)
{
_buffer.PutInt(_offset + 40, (int)value, ByteOrder.LittleEndian);
return(this);
}
public ControlledFragmentHandlerAction OnFragment(IDirectBuffer buffer, int offset, int length, Header header)
{
messageHeaderDecoder.Wrap(buffer, offset);
int schemaId = messageHeaderDecoder.SchemaId();
if (schemaId != MessageHeaderDecoder.SCHEMA_ID)
{
throw new ClusterException("expected schemaId=" + MessageHeaderDecoder.SCHEMA_ID + ", actual=" +
schemaId);
}
int templateId = messageHeaderDecoder.TemplateId();
switch (templateId)
{
case SnapshotMarkerDecoder.TEMPLATE_ID:
snapshotMarkerDecoder.Wrap(
buffer,
offset + MessageHeaderDecoder.ENCODED_LENGTH,
messageHeaderDecoder.BlockLength(),
messageHeaderDecoder.Version());
long typeId = snapshotMarkerDecoder.TypeId();
if (typeId != ClusteredServiceContainer.Configuration.SNAPSHOT_TYPE_ID)
{
throw new ClusterException("unexpected snapshot type: " + typeId);
}
switch (snapshotMarkerDecoder.Mark())
{
case SnapshotMark.BEGIN:
if (inSnapshot)
{
throw new ClusterException("already in snapshot");
}
inSnapshot = true;
appVersion = snapshotMarkerDecoder.AppVersion();
timeUnit = snapshotMarkerDecoder.TimeUnit() == ClusterTimeUnit.NULL_VALUE
? ClusterTimeUnit.MILLIS
: snapshotMarkerDecoder.TimeUnit();
return(ControlledFragmentHandlerAction.CONTINUE);
case SnapshotMark.END:
if (!inSnapshot)
{
throw new ClusterException("missing begin snapshot");
}
isDone = true;
return(ControlledFragmentHandlerAction.BREAK);
}
break;
case ClientSessionDecoder.TEMPLATE_ID:
clientSessionDecoder.Wrap(
buffer,
offset + MessageHeaderDecoder.ENCODED_LENGTH,
messageHeaderDecoder.BlockLength(),
messageHeaderDecoder.Version());
string responseChannel = clientSessionDecoder.ResponseChannel();
byte[] encodedPrincipal = new byte[clientSessionDecoder.EncodedPrincipalLength()];
clientSessionDecoder.GetEncodedPrincipal(encodedPrincipal, 0, encodedPrincipal.Length);
agent.AddSession(
clientSessionDecoder.ClusterSessionId(),
clientSessionDecoder.ResponseStreamId(),
responseChannel,
encodedPrincipal);
break;
}
return(ControlledFragmentHandlerAction.CONTINUE);
}
