private void ConfigureEnlistment(WsatRegistrationHeader header)
{
Enlistment enlistment = new Enlistment();
string contextId = header.ContextId;
if (contextId == null)
{
contextId = CoordinationContext.CreateNativeIdentifier(header.TransactionId);
}
enlistment.LocalTransactionId = header.TransactionId;
enlistment.RemoteTransactionId = contextId;
Notifications twoPhaseCommit = Notifications.TwoPhaseCommit;
switch (this.protocol)
{
case Microsoft.Transactions.Wsat.Messaging.ControlProtocol.Volatile2PC:
twoPhaseCommit |= Notifications.Volatile | Notifications.Phase0;
break;
case Microsoft.Transactions.Wsat.Messaging.ControlProtocol.Durable2PC:
break;
default:
Microsoft.Transactions.Bridge.DiagnosticUtility.FailFast("Invalid protocol");
break;
}
enlistment.NotificationMask = twoPhaseCommit;
enlistment.ProtocolProviderContext = this;
base.enlistment = enlistment;
}
private TransactionContext CreateTransactionContext()
{
Microsoft.Transactions.Bridge.EnlistmentOptions enlistmentOptions = this.enlistment.EnlistmentOptions;
string remoteTransactionId = this.enlistment.RemoteTransactionId;
Guid localTransactionId = this.enlistment.LocalTransactionId;
CoordinationContext context = new CoordinationContext(this.state.ProtocolVersion)
{
Expires = (enlistmentOptions.Expires == TimeSpan.MaxValue) ? uint.MaxValue : ((uint)((int)enlistmentOptions.Expires.TotalMilliseconds)),
Identifier = remoteTransactionId,
LocalTransactionId = localTransactionId,
IsolationLevel = enlistmentOptions.IsoLevel,
IsolationFlags = enlistmentOptions.IsolationFlags,
Description = enlistmentOptions.Description
};
string contextId = CoordinationContext.IsNativeIdentifier(remoteTransactionId, localTransactionId) ? null : remoteTransactionId;
string sctId = null;
RequestSecurityTokenResponse issuedToken = null;
if (this.state.Config.PortConfiguration.SupportingTokensEnabled)
{
CoordinationServiceSecurity.CreateIssuedToken(localTransactionId, remoteTransactionId, this.state.ProtocolVersion, out issuedToken, out sctId);
}
AddressHeader refParam = new WsatRegistrationHeader(localTransactionId, contextId, sctId);
context.RegistrationService = this.state.RegistrationCoordinatorListener.CreateEndpointReference(refParam);
return(new TransactionContext(context, issuedToken));
}
public bool FaultInSupportingToken(Message message)
{
DebugTrace.TraceEnter(this, "FaultInSupportingToken");
bool flag = false;
WsatRegistrationHeader header = this.ReadRegistrationHeader(message);
if (((header == null) || (header.TransactionId == Guid.Empty)) || string.IsNullOrEmpty(header.TokenId))
{
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Invalid or absent RegisterInfo in register message");
}
}
else
{
currentSct = this.DeriveToken(header.TransactionId, header.TokenId);
flag = true;
if (DebugTrace.Verbose)
{
DebugTrace.Trace(TraceLevel.Verbose, "Created SCT with id {0} for transaction {1}", header.TokenId, header.TransactionId);
}
}
DebugTrace.TraceLeave(this, "FaultInSupportingToken");
return(flag);
}
private WsatRegistrationHeader ReadRegistrationHeader(Message message)
{
WsatRegistrationHeader header = null;
try
{
header = WsatRegistrationHeader.ReadFrom(message);
}
catch (InvalidEnlistmentHeaderException exception)
{
DiagnosticUtility.ExceptionUtility.TraceHandledException(exception, TraceEventType.Error);
if (DebugTrace.Error)
{
DebugTrace.Trace(TraceLevel.Error, "Invalid RegisterInfo header found in register message: {0}", exception.Message);
}
}
return(header);
}
public ParticipantEnlistment(ProtocolState state, WsatRegistrationHeader header, Microsoft.Transactions.Wsat.Messaging.ControlProtocol protocol, TwoPhaseCommitParticipantProxy proxy) : base(state)
{
this.protocol = protocol;
proxy.AddRef();
this.participantProxy = proxy;
this.ConfigureEnlistment(header);
this.CreateCoordinatorService();
switch (protocol)
{
case Microsoft.Transactions.Wsat.Messaging.ControlProtocol.Volatile2PC:
base.stateMachine = new VolatileStateMachine(this);
base.stateMachine.ChangeState(state.States.VolatileRegistering);
return;
case Microsoft.Transactions.Wsat.Messaging.ControlProtocol.Durable2PC:
base.stateMachine = new DurableStateMachine(this);
base.stateMachine.ChangeState(state.States.DurableRegistering);
return;
}
Microsoft.Transactions.Bridge.DiagnosticUtility.FailFast("Invalid protocol");
}
public void Register(Message message, Microsoft.Transactions.Wsat.Messaging.RequestAsyncResult result)
{
Microsoft.Transactions.Wsat.Messaging.Register register = new Microsoft.Transactions.Wsat.Messaging.Register(message, this.state.ProtocolVersion);
EndpointAddress participantProtocolService = register.ParticipantProtocolService;
WsatRegistrationHeader header = WsatRegistrationHeader.ReadFrom(message);
if (header == null)
{
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Rejecting Register message with no registration header");
}
this.SendFault(result, this.state.Faults.InvalidParameters);
return;
}
switch (register.Protocol)
{
case ControlProtocol.Completion:
{
CompletionEnlistment completion = this.state.Lookup.FindEnlistment(header.TransactionId) as CompletionEnlistment;
if (completion != null)
{
CompletionParticipantProxy proxy = this.state.TryCreateCompletionParticipantProxy(participantProtocolService);
if (proxy == null)
{
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Rejecting Register message for completion on no completion enlistment");
}
this.SendFault(result, this.state.Faults.InvalidParameters);
return;
}
try
{
completion.StateMachine.Enqueue(new MsgRegisterCompletionEvent(completion, ref register, result, proxy));
return;
}
finally
{
proxy.Release();
}
break;
}
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Rejecting uncorrelated Register message for completion");
}
this.SendFault(result, this.state.Faults.UnknownCompletionEnlistment);
return;
}
case ControlProtocol.Volatile2PC:
case ControlProtocol.Durable2PC:
break;
default:
goto Label_0222;
}
if (!this.state.TransactionManager.Settings.NetworkOutboundAccess)
{
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Rejecting Register message because outbound transactions are disabled");
}
this.SendFault(result, this.state.Faults.ParticipantRegistrationNetAccessDisabled);
return;
}
if (register.Loopback == this.state.ProcessId)
{
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Rejecting recursive Register message from self");
}
this.SendFault(result, this.state.Faults.ParticipantRegistrationLoopback);
return;
}
TwoPhaseCommitParticipantProxy proxy2 = this.state.TryCreateTwoPhaseCommitParticipantProxy(participantProtocolService);
if (proxy2 == null)
{
if (DebugTrace.Warning)
{
DebugTrace.Trace(TraceLevel.Warning, "Rejecting Register message because 2PC proxy could not be created");
}
this.SendFault(result, this.state.Faults.InvalidParameters);
return;
}
try
{
ParticipantEnlistment participant = new ParticipantEnlistment(this.state, header, register.Protocol, proxy2);
this.state.TransactionManagerSend.Register(participant, new MsgRegisterEvent(participant, ref register, result));
return;
}
finally
{
proxy2.Release();
}
Label_0222:
Microsoft.Transactions.Bridge.DiagnosticUtility.FailFast("Registration protocol should have been validated");
}
