public virtual IMessageCtrl AsyncProcessMessage(IMessage reqMsg, IMessageSink replySink)
{
Message.DebugOut("---------------------------Envoy Chain Terminator: AsyncProcessMessage");
IMessageCtrl msgCtrl = null;
IMessage errMsg = ValidateMessage(reqMsg);
if (errMsg != null)
{
// Notify replySink of error if we can
if (replySink != null)
{
replySink.SyncProcessMessage(errMsg);
}
}
else
{
msgCtrl = Thread.CurrentContext.GetClientContextChain().AsyncProcessMessage(reqMsg, replySink);
}
return(msgCtrl);
}
[System.Security.SecurityCritical] // auto-generated
internal static ServerIdentity GetServerIdentity(IMessage reqMsg)
{
ServerIdentity srvID = null;
bool bOurMsg = false;
String objURI = null;
IInternalMessage iim = reqMsg as IInternalMessage;
if (iim != null)
{
Message.DebugOut("GetServerIdentity.ServerIdentity from IInternalMessage\n");
srvID = ((IInternalMessage)reqMsg).ServerIdentityObject;
bOurMsg = true;
}
else if (reqMsg is InternalMessageWrapper)
{
srvID = (ServerIdentity)((InternalMessageWrapper)reqMsg).GetServerIdentityObject();
}
// Try the slow path if the identity has not been obtained yet
if (null == srvID)
{
Message.DebugOut("GetServerIdentity.ServerIdentity from IMethodCallMessage\n");
objURI = GetURI(reqMsg);
Identity id =
IdentityHolder.ResolveIdentity(objURI);
if (id is ServerIdentity)
{
srvID = (ServerIdentity)id;
// Cache the serverIdentity in the message
if (bOurMsg)
{
iim.ServerIdentityObject = srvID;
}
}
}
return(srvID);
}
public virtual IMessageCtrl AsyncProcessMessage(IMessage reqMsg, IMessageSink replySink)
{
Message.DebugOut("---------------------------Envoy Chain Terminator: AsyncProcessMessage");
IMessageCtrl msgCtrl = null;
IMessage errMsg = ValidateMessage(reqMsg);
if (errMsg != null)
{
// Notify replySink of error if we can
// FUTURE: is it okay to reply right away before we return
// the IMessageCtrl for the original call?
if (replySink != null)
{
replySink.SyncProcessMessage(errMsg);
}
}
else
{
msgCtrl = Thread.CurrentContext.GetClientContextChain().AsyncProcessMessage(reqMsg, replySink);
}
return(msgCtrl);
}
[System.Security.SecurityCritical] // auto-generated_required
public virtual ISerializationSurrogate GetSurrogate(Type type, StreamingContext context, out ISurrogateSelector ssout)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
Contract.EndContractBlock();
Message.DebugOut("Entered GetSurrogate for " + type.FullName + "\n");
if (type.IsMarshalByRef)
{
Message.DebugOut("Selected surrogate for " + type.FullName);
ssout = this;
return(_remotingSurrogate);
}
else if (s_IMethodCallMessageType.IsAssignableFrom(type) ||
s_IMethodReturnMessageType.IsAssignableFrom(type))
{
ssout = this;
return(_messageSurrogate);
}
else if (s_ObjRefType.IsAssignableFrom(type))
{
ssout = this;
return(_objRefSurrogate);
}
else if (_next != null)
{
return(_next.GetSurrogate(type, context, out ssout));
}
else
{
ssout = null;
return(null);
}
} // GetSurrogate
public virtual void GetObjectData(Object obj, SerializationInfo info, StreamingContext context)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (info == null)
{
throw new ArgumentNullException("info");
}
bool returnMessage = false;
bool constructionMessage = false;
IMethodMessage msg = obj as IMethodMessage;
if (null != msg)
{
IDictionaryEnumerator de = msg.Properties.GetEnumerator();
if (msg is IMethodCallMessage)
{
if (obj is IConstructionCallMessage)
{
constructionMessage = true;
}
info.SetType(constructionMessage ? _constructionCallType : _methodCallType);
}
else
{
IMethodReturnMessage mrm = msg as IMethodReturnMessage;
if (null != mrm)
{
returnMessage = true;
info.SetType((obj is IConstructionReturnMessage) ? _constructionResponseType : _methodResponseType);
if (((IMethodReturnMessage)msg).Exception != null)
{
info.AddValue("__fault", ((IMethodReturnMessage)msg).Exception, _exceptionType);
}
}
else
{
throw new RemotingException(Environment.GetResourceString("Remoting_InvalidMsg"));
}
}
while (de.MoveNext())
{
if ((obj == _ss.GetRootObject()) && (_ss.Filter != null) && _ss.Filter((String)de.Key, de.Value))
{
continue;
}
if (de.Value != null)
{
String key = de.Key.ToString();
if (key.Equals("__CallContext"))
{
// If the CallContext has only the call Id, then there is no need to put the entire
// LogicalCallContext type on the wire
LogicalCallContext lcc = (LogicalCallContext)de.Value;
if (lcc.HasInfo)
{
info.AddValue(key, lcc);
}
else
{
info.AddValue(key, lcc.RemotingData.LogicalCallID);
}
}
else if (key.Equals("__MethodSignature"))
{
// If the method is not overloaded, the method signature does not need to go on the wire
// note - IsMethodOverloaded does not work well with constructors
if (constructionMessage || RemotingServices.IsMethodOverloaded(msg))
{
info.AddValue(key, de.Value);
continue;
}
Message.DebugOut("MessageSurrogate::GetObjectData. Method not overloaded, so no MethodSignature \n");
}
else
{
returnMessage = returnMessage;
info.AddValue(key, de.Value);
}
}
else
{
info.AddValue(de.Key.ToString(), de.Value, _objectType);
}
}
}
else
{
throw new RemotingException(Environment.GetResourceString("Remoting_InvalidMsg"));
}
}
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;
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);
messageCallContext.PropagateIncomingHeadersToCallContext(msg);
PreserveThreadPrincipalIfNecessary(messageCallContext, oldCallCtx);
// NOTE: target for dispatch will be NULL when the StackBuilderSink
// is used for async delegates on static methods.
RemotingServices.LogRemotingStage(RemotingServices.SERVER_MSG_STACK_BUILD);
// *** 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,
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();
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 (oldCallCtx != null)
{
CallContext.SetLogicalCallContext(oldCallCtx);
}
}
RemotingServices.LogRemotingStage(RemotingServices.SERVER_RET_SINK_CHAIN);
return(retMessage);
}
[System.Security.SecurityCritical] // auto-generated
public virtual IMessageCtrl AsyncProcessMessage(IMessage reqMsg, IMessageSink replySink)
{
Message.DebugOut("+++++++++++++++++++++++++ CliCtxTerminator: AsyncProcessMsg");
IMessage errMsg = ValidateMessage(reqMsg);
IMessageCtrl msgCtrl = null;
if (errMsg == null)
{
errMsg = DisallowAsyncActivation(reqMsg);
}
if (errMsg != null)
{
if (replySink != null)
{
replySink.SyncProcessMessage(errMsg);
}
}
else
{
// If active, notify the profiler that an asynchronous remoting call is being made.
if (RemotingServices.CORProfilerTrackRemotingAsync())
{
Guid g;
RemotingServices.CORProfilerRemotingClientSendingMessage(out g, true);
if (RemotingServices.CORProfilerTrackRemotingCookie())
{
reqMsg.Properties["CORProfilerCookie"] = g;
}
// Only wrap the replySink if the call wants a reply
if (replySink != null)
{
// Now wrap the reply sink in our own so that we can notify the profiler of
// when the reply is received. Upon invocation, it will notify the profiler
// then pass control on to the replySink passed in above.
IMessageSink profSink = new ClientAsyncReplyTerminatorSink(replySink);
// Replace the reply sink with our own
replySink = profSink;
}
}
Context cliCtx = Thread.CurrentContext;
// Notify dynamic sinks that an Async call started
cliCtx.NotifyDynamicSinks(
reqMsg,
true, // bCliSide
true, // bStart
true, // bAsync
true); // bNotifyGlobals
// Intercept the async reply to force the thread back
// into the client-context before it executes further
// and to notify dynamic sinks
if (replySink != null)
{
replySink = new AsyncReplySink(replySink, cliCtx);
}
Object[] args = new Object[] { null, null, null };
InternalCrossContextDelegate xctxDel = new InternalCrossContextDelegate(AsyncProcessMessageCallback);
IMessageSink channelSink = GetChannelSink(reqMsg);
// Forward call to the channel.
args[0] = reqMsg;
args[1] = replySink;
args[2] = channelSink;
// Move to default context unless we are going through
// the cross-context channel
if (channelSink != CrossContextChannel.MessageSink)
{
msgCtrl = (IMessageCtrl)Thread.CurrentThread.InternalCrossContextCallback(Context.DefaultContext, xctxDel, args);
}
else
{
msgCtrl = (IMessageCtrl)xctxDel(args);
}
}
return(msgCtrl);
}
[System.Security.SecurityCritical] // auto-generated
public virtual IMessage SyncProcessMessage(IMessage reqMsg)
{
Message.DebugOut("+++++++++++++++++++++++++ CliCtxTerminator: SyncProcessMsg");
IMessage errMsg = ValidateMessage(reqMsg);
if (errMsg != null)
{
return(errMsg);
}
Context ctx = Thread.CurrentContext;
bool bHasDynamicSinks =
ctx.NotifyDynamicSinks(reqMsg,
true, // bCliSide
true, // bStart
false, // bAsync
true); // bNotifyGlobals
IMessage replyMsg;
if (reqMsg is IConstructionCallMessage)
{
errMsg = ctx.NotifyActivatorProperties(
reqMsg,
false /*bServerSide*/);
if (errMsg != null)
{
return(errMsg);
}
replyMsg = ((IConstructionCallMessage)reqMsg).Activator.Activate(
(IConstructionCallMessage)reqMsg);
BCLDebug.Assert(replyMsg is IConstructionReturnMessage, "bad ctorRetMsg");
errMsg = ctx.NotifyActivatorProperties(
replyMsg,
false /*bServerSide*/);
if (errMsg != null)
{
return(errMsg);
}
}
else
{
replyMsg = null;
ChannelServices.NotifyProfiler(reqMsg, RemotingProfilerEvent.ClientSend);
Object[] args = new Object[] { null, null };
IMessageSink channelSink = GetChannelSink(reqMsg);
// Forward call to the channel.
args[0] = reqMsg;
args[1] = channelSink;
InternalCrossContextDelegate xctxDel = new InternalCrossContextDelegate(SyncProcessMessageCallback);
// Move to default context unless we are going through
// the cross-context channel
if (channelSink != CrossContextChannel.MessageSink)
{
replyMsg = (IMessage)Thread.CurrentThread.InternalCrossContextCallback(Context.DefaultContext, xctxDel, args);
}
else
{
replyMsg = (IMessage)xctxDel(args);
}
ChannelServices.NotifyProfiler(replyMsg, RemotingProfilerEvent.ClientReceive);
}
if (bHasDynamicSinks)
{
ctx.NotifyDynamicSinks(reqMsg,
true, // bCliSide
false, // bStart
false, // bAsync
true); // bNotifyGlobals
}
return(replyMsg);
}
public virtual IMessage SyncProcessMessage(IMessage reqMsg)
{
Message.DebugOut("+++++++++++++++++++++++++ CliCtxTerminator: SyncProcessMsg");
IMessage errMsg = ValidateMessage(reqMsg);
if (errMsg != null)
{
return(errMsg);
}
Context ctx = Thread.CurrentContext;
bool bHasDynamicSinks =
ctx.NotifyDynamicSinks(reqMsg,
true, // bCliSide
true, // bStart
false, // bAsync
true); // bNotifyGlobals
IMessage replyMsg;
if (reqMsg is IConstructionCallMessage)
{
errMsg = ctx.NotifyActivatorProperties(
reqMsg,
false /*bServerSide*/);
if (errMsg != null)
{
return(errMsg);
}
replyMsg = ((IConstructionCallMessage)reqMsg).Activator.Activate(
(IConstructionCallMessage)reqMsg);
BCLDebug.Assert(replyMsg is IConstructionReturnMessage, "bad ctorRetMsg");
errMsg = ctx.NotifyActivatorProperties(
replyMsg,
false /*bServerSide*/);
if (errMsg != null)
{
return(errMsg);
}
}
else
{
ChannelServices.NotifyProfiler(reqMsg, RemotingProfilerEvent.ClientSend);
// Forward call to the channel.
IMessageSink channelSink = GetChannelSink(reqMsg);
// Move to default context unless we are going through
// the cross-context channel
ContextTransitionFrame frame = new ContextTransitionFrame();
if (channelSink != CrossContextChannel.MessageSink)
{
Thread.CurrentThread.EnterContext(
Context.DefaultContext,
ref frame);
}
replyMsg = channelSink.SyncProcessMessage(reqMsg);
if (channelSink != CrossContextChannel.MessageSink)
{
Thread.CurrentThread.ReturnToContext(ref frame);
}
ChannelServices.NotifyProfiler(replyMsg, RemotingProfilerEvent.ClientReceive);
}
if (bHasDynamicSinks)
{
ctx.NotifyDynamicSinks(reqMsg,
true, // bCliSide
false, // bStart
false, // bAsync
true); // bNotifyGlobals
}
return(replyMsg);
}
[System.Security.SecurityCritical] // auto-generated_required
public virtual void GetObjectData(Object obj, SerializationInfo info, StreamingContext context)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
if (info == null)
{
throw new ArgumentNullException("info");
}
Contract.EndContractBlock();
bool returnMessage = false;
bool constructionMessage = false;
IMethodMessage msg = obj as IMethodMessage;
if (null != msg)
{
IDictionaryEnumerator de = msg.Properties.GetEnumerator();
if (msg is IMethodCallMessage)
{
if (obj is IConstructionCallMessage)
{
constructionMessage = true;
}
info.SetType(constructionMessage ? _constructionCallType : _methodCallType);
}
else
{
IMethodReturnMessage mrm = msg as IMethodReturnMessage;
if (null != mrm)
{
returnMessage = true;
info.SetType((obj is IConstructionReturnMessage) ? _constructionResponseType : _methodResponseType);
if (((IMethodReturnMessage)msg).Exception != null)
{
info.AddValue("__fault", ((IMethodReturnMessage)msg).Exception, _exceptionType);
}
}
else
{
throw new RemotingException(Environment.GetResourceString("Remoting_InvalidMsg"));
}
}
while (de.MoveNext())
{
if ((obj == _ss.GetRootObject()) && (_ss.Filter != null) && _ss.Filter((String)de.Key, de.Value))
{
continue;
}
if (de.Value != null)
{
String key = de.Key.ToString();
if (key.Equals("__CallContext"))
{
// If the CallContext has only the call Id, then there is no need to put the entire
// LogicalCallContext type on the wire
LogicalCallContext lcc = (LogicalCallContext)de.Value;
if (lcc.HasInfo)
{
info.AddValue(key, lcc);
}
else
{
info.AddValue(key, lcc.RemotingData.LogicalCallID);
}
}
else if (key.Equals("__MethodSignature"))
{
// If the method is not overloaded, the method signature does not need to go on the wire
// note - IsMethodOverloaded does not work well with constructors
if (constructionMessage || RemotingServices.IsMethodOverloaded(msg))
{
info.AddValue(key, de.Value);
continue;
}
Message.DebugOut("MessageSurrogate::GetObjectData. Method not overloaded, so no MethodSignature \n");
}
else
{
#if false
/* If the streaming context says this is a x-domain call, then there is no
* need to include the following fields in the return message. Right now I am not sure
* how to identify a cross-domain streaming context - Ashok
*/
if (returnMessage &&
(key.Equals("__Uri") ||
key.Equals("__MethodName") ||
key.Equals("__TypeName")))
{
continue;
}
else
#endif
#pragma warning disable 1717 // assignment to self
returnMessage = returnMessage;
#pragma warning restore 1717
info.AddValue(key, de.Value);
}
}
else
{
info.AddValue(de.Key.ToString(), de.Value, _objectType);
}
}
}
else
{
throw new RemotingException(Environment.GetResourceString("Remoting_InvalidMsg"));
}
}
