|
static private GetLogicalCallContext ( ) : |
||
| Résultat | ||
public virtual IMessageCtrl AsyncProcessMessage(IMessage msg, IMessageSink replySink)
{
IMethodCallMessage message = (IMethodCallMessage)msg;
IMessageCtrl ctrl = null;
IMessage message2 = null;
LogicalCallContext threadCallContext = null;
bool flag = false;
try
{
try
{
try
{
LogicalCallContext callCtx = (LogicalCallContext)message.Properties[Message.CallContextKey];
object server = this._server;
VerifyIsOkToCallMethod(server, message);
threadCallContext = CallContext.SetLogicalCallContext(callCtx);
flag = true;
callCtx.PropagateIncomingHeadersToCallContext(msg);
PreserveThreadPrincipalIfNecessary(callCtx, threadCallContext);
ServerChannelSinkStack stack = msg.Properties["__SinkStack"] as ServerChannelSinkStack;
if (stack != null)
{
stack.ServerObject = server;
}
MethodBase methodBase = GetMethodBase(message);
object[] outArgs = null;
object ret = null;
RemotingMethodCachedData reflectionCachedData = InternalRemotingServices.GetReflectionCachedData(methodBase);
object[] args = Message.CoerceArgs(message, reflectionCachedData.Parameters);
ret = this.PrivateProcessMessage(methodBase.MethodHandle, args, server, 0, false, out outArgs);
this.CopyNonByrefOutArgsFromOriginalArgs(reflectionCachedData, args, ref outArgs);
if (replySink != null)
{
LogicalCallContext logicalCallContext = CallContext.GetLogicalCallContext();
if (logicalCallContext != null)
{
logicalCallContext.RemovePrincipalIfNotSerializable();
}
message2 = new ReturnMessage(ret, outArgs, (outArgs == null) ? 0 : outArgs.Length, logicalCallContext, message);
logicalCallContext.PropagateOutgoingHeadersToMessage(message2);
}
return(ctrl);
}
catch (Exception exception)
{
if (replySink != null)
{
message2 = new ReturnMessage(exception, message);
((ReturnMessage)message2).SetLogicalCallContext((LogicalCallContext)message.Properties[Message.CallContextKey]);
}
}
return(ctrl);
}
finally
{
if (replySink != null)
{
replySink.SyncProcessMessage(message2);
}
}
}
finally
{
if (flag)
{
CallContext.SetLogicalCallContext(threadCallContext);
}
}
return(ctrl);
}
internal virtual IMessage SyncProcessMessage(IMessage msg, int methodPtr, bool fExecuteInContext)
{
// Validate message here
IMessage errMsg = InternalSink.ValidateMessage(msg);
if (errMsg != null)
{
return(errMsg);
}
IMethodCallMessage mcMsg = msg as IMethodCallMessage;
IMessage retMessage;
LogicalCallContext oldCallCtx = null;
LogicalCallContext lcc = CallContext.GetLogicalCallContext();
object xADCall = lcc.GetData(CrossAppDomainSink.LCC_DATA_KEY);
bool isCallContextSet = false;
try
{
Object server = _server;
BCLDebug.Assert((server != null) == (!_bStatic),
"Invalid state in stackbuilder sink?");
// validate the method base if necessary
VerifyIsOkToCallMethod(server, mcMsg);
// install call context onto the thread, holding onto
// the one that is currently on the thread
LogicalCallContext messageCallContext = null;
if (mcMsg != null)
{
messageCallContext = mcMsg.LogicalCallContext;
}
else
{
messageCallContext = (LogicalCallContext)msg.Properties["__CallContext"];
}
oldCallCtx = CallContext.SetLogicalCallContext(messageCallContext);
isCallContextSet = true;
messageCallContext.PropagateIncomingHeadersToCallContext(msg);
PreserveThreadPrincipalIfNecessary(messageCallContext, oldCallCtx);
// NOTE: target for dispatch will be NULL when the StackBuilderSink
// is used for async delegates on static methods.
// *** NOTE ***
// Although we always pass _server to these calls in the EE,
// when we execute using Message::Dispatch we are using TP as
// the this-ptr ... (what the call site thinks is the this-ptr)
// when we execute using StackBuilderSink::PrivatePM we use
// _server as the this-ptr (which could be different if there
// is interception for strictly MBR types in the same AD).
// ************
if (IsOKToStackBlt(mcMsg, server) &&
((Message)mcMsg).Dispatch(server, fExecuteInContext))
{
//retMessage = StackBasedReturnMessage.GetObjectFromPool((Message)mcMsg);
retMessage = new StackBasedReturnMessage();
((StackBasedReturnMessage)retMessage).InitFields((Message)mcMsg);
// call context could be different then the one from before the call.
LogicalCallContext latestCallContext = CallContext.GetLogicalCallContext();
// retrieve outgoing response headers
latestCallContext.PropagateOutgoingHeadersToMessage(retMessage);
// Install call context back into Message (from the thread)
((StackBasedReturnMessage)retMessage).SetLogicalCallContext(latestCallContext);
}
else
{
MethodBase mb = GetMethodBase(mcMsg);
Object[] outArgs = null;
Object ret = null;
RemotingMethodCachedData methodCache =
InternalRemotingServices.GetReflectionCachedData(mb);
Message.DebugOut("StackBuilderSink::Calling PrivateProcessMessage\n");
Object[] args = Message.CoerceArgs(mcMsg, methodCache.Parameters);
ret = PrivateProcessMessage(
mb.MethodHandle,
args,
server,
methodPtr,
fExecuteInContext,
out outArgs);
CopyNonByrefOutArgsFromOriginalArgs(methodCache, args, ref outArgs);
// call context could be different then the one from before the call.
LogicalCallContext latestCallContext = CallContext.GetLogicalCallContext();
if (xADCall != null && ((bool)xADCall) == true && latestCallContext != null)
{
// Special case Principal since if might not be serializable before returning
// ReturnMessage
latestCallContext.RemovePrincipalIfNotSerializable();
}
retMessage = new ReturnMessage(
ret,
outArgs,
(outArgs == null ? 0 : outArgs.Length),
latestCallContext,
mcMsg);
// retrieve outgoing response headers
latestCallContext.PropagateOutgoingHeadersToMessage(retMessage);
// restore the call context on the thread
CallContext.SetLogicalCallContext(oldCallCtx);
}
} catch (Exception e)
{
Message.DebugOut(
"StackBuilderSink::The server object probably threw an exception " +
e.Message + e.StackTrace + "\n");
retMessage = new ReturnMessage(e, mcMsg);
((ReturnMessage)retMessage).SetLogicalCallContext(mcMsg.LogicalCallContext);
if (isCallContextSet)
{
CallContext.SetLogicalCallContext(oldCallCtx);
}
}
return(retMessage);
}
internal virtual IMessage SyncProcessMessage(IMessage msg, int methodPtr, bool fExecuteInContext)
{
IMessage message3;
IMessage message = InternalSink.ValidateMessage(msg);
if (message != null)
{
return(message);
}
IMethodCallMessage message2 = msg as IMethodCallMessage;
LogicalCallContext threadCallContext = null;
object obj2 = CallContext.GetLogicalCallContext().GetData("__xADCall");
bool flag = false;
try
{
object server = this._server;
VerifyIsOkToCallMethod(server, message2);
LogicalCallContext callCtx = null;
if (message2 != null)
{
callCtx = message2.LogicalCallContext;
}
else
{
callCtx = (LogicalCallContext)msg.Properties["__CallContext"];
}
threadCallContext = CallContext.SetLogicalCallContext(callCtx);
flag = true;
callCtx.PropagateIncomingHeadersToCallContext(msg);
PreserveThreadPrincipalIfNecessary(callCtx, threadCallContext);
if (this.IsOKToStackBlt(message2, server) && ((Message)message2).Dispatch(server, fExecuteInContext))
{
message3 = new StackBasedReturnMessage();
((StackBasedReturnMessage)message3).InitFields((Message)message2);
LogicalCallContext context4 = CallContext.GetLogicalCallContext();
context4.PropagateOutgoingHeadersToMessage(message3);
((StackBasedReturnMessage)message3).SetLogicalCallContext(context4);
return(message3);
}
MethodBase methodBase = GetMethodBase(message2);
object[] outArgs = null;
object ret = null;
RemotingMethodCachedData reflectionCachedData = InternalRemotingServices.GetReflectionCachedData(methodBase);
object[] args = Message.CoerceArgs(message2, reflectionCachedData.Parameters);
ret = this.PrivateProcessMessage(methodBase.MethodHandle, args, server, methodPtr, fExecuteInContext, out outArgs);
this.CopyNonByrefOutArgsFromOriginalArgs(reflectionCachedData, args, ref outArgs);
LogicalCallContext logicalCallContext = CallContext.GetLogicalCallContext();
if (((obj2 != null) && ((bool)obj2)) && (logicalCallContext != null))
{
logicalCallContext.RemovePrincipalIfNotSerializable();
}
message3 = new ReturnMessage(ret, outArgs, (outArgs == null) ? 0 : outArgs.Length, logicalCallContext, message2);
logicalCallContext.PropagateOutgoingHeadersToMessage(message3);
CallContext.SetLogicalCallContext(threadCallContext);
}
catch (Exception exception)
{
message3 = new ReturnMessage(exception, message2);
((ReturnMessage)message3).SetLogicalCallContext(message2.LogicalCallContext);
if (flag)
{
CallContext.SetLogicalCallContext(threadCallContext);
}
}
return(message3);
}
public virtual IMessageCtrl AsyncProcessMessage(
IMessage msg, IMessageSink replySink)
{
IMethodCallMessage mcMsg = (IMethodCallMessage)msg;
IMessageCtrl retCtrl = null;
IMessage retMessage = null;
LogicalCallContext oldCallCtx = null;
bool isCallContextSet = false;
try{
try
{
LogicalCallContext callCtx = (LogicalCallContext)
mcMsg.Properties[Message.CallContextKey];
Object server = _server;
// validate the method base if necessary
VerifyIsOkToCallMethod(server, mcMsg);
// install call context onto the thread, holding onto
// the one that is currently on the thread
oldCallCtx = CallContext.SetLogicalCallContext(callCtx);
isCallContextSet = true;
// retrieve incoming headers
callCtx.PropagateIncomingHeadersToCallContext(msg);
PreserveThreadPrincipalIfNecessary(callCtx, oldCallCtx);
// see if this is a server message that was dispatched asynchronously
ServerChannelSinkStack sinkStack =
msg.Properties["__SinkStack"] as ServerChannelSinkStack;
if (sinkStack != null)
{
sinkStack.ServerObject = server;
}
BCLDebug.Assert((server != null) == (!_bStatic),
"Invalid state in stackbuilder sink?");
MethodBase mb = GetMethodBase(mcMsg);
Object[] outArgs = null;
Object ret = null;
RemotingMethodCachedData methodCache =
InternalRemotingServices.GetReflectionCachedData(mb);
Object[] args = Message.CoerceArgs(mcMsg, methodCache.Parameters);
ret = PrivateProcessMessage(mb.MethodHandle,
args,
server,
0,
false,
out outArgs);
CopyNonByrefOutArgsFromOriginalArgs(methodCache, args, ref outArgs);
if (replySink != null)
{
// call context could be different then the one from before the call.
LogicalCallContext latestCallContext = CallContext.GetLogicalCallContext();
if (latestCallContext != null)
{
// Special case Principal since if might not be serializable before returning
// ReturnMessage
latestCallContext.RemovePrincipalIfNotSerializable();
}
retMessage = new ReturnMessage(
ret,
outArgs,
(outArgs == null ? 0 : outArgs.Length),
latestCallContext,
mcMsg);
// retrieve outgoing response headers
latestCallContext.PropagateOutgoingHeadersToMessage(retMessage);
}
}
catch (Exception e)
{
if (replySink != null)
{
retMessage = new ReturnMessage(e, mcMsg);
((ReturnMessage)retMessage).SetLogicalCallContext(
(LogicalCallContext)
mcMsg.Properties[Message.CallContextKey]);
}
}
finally
{
// Call the reply sink without catching the exceptions
// in it. In v2.0 any exceptions in the callback for example
// would probably bring down the process
replySink.SyncProcessMessage(retMessage);
}
}
finally {
// restore the call context on the thread
if (isCallContextSet)
{
CallContext.SetLogicalCallContext(oldCallCtx);
}
}
return(retCtrl);
} // AsyncProcessMessage
