| private SyncProcessMessage ( IMessage msg ) : IMessage | ||
| msg | IMessage | |
| Результат | IMessage | |
[System.Security.SecurityCritical] // auto-generated
private void PrivateInvoke(ref MessageData msgData, int type)
{
IMessage reqMsg = null;
CallType callType = (CallType)type;
IMessage retMsg = null;
int msgFlags = -1;
// Used only for Construction case
RemotingProxy rp = null;
// Create a message object based on the type of call
if(CallType.MethodCall == callType)
{
Message msg = new Message();
msg.InitFields(msgData);
reqMsg = msg;
msgFlags = msg.GetCallType();
}
else if (CallType.ConstructorCall == (CallType)callType)
{
// We use msgFlags to handle CallContext around
// the virtual call to Invoke()
msgFlags = Message.Sync;
rp = this as RemotingProxy;
ConstructorCallMessage ctorMsg = null;
bool bIsWellKnown = false;
if(!IsRemotingProxy())
{
// Create a new constructor call message
// <
ctorMsg = new ConstructorCallMessage(null, null, null, (RuntimeType)GetProxiedType());
}
else
{
// Extract the constructor message set in the first step of activation.
ctorMsg = rp.ConstructorMessage;
// If the proxy is a wellknown client proxy, we don't
// need to run the c'tor.
Identity id = rp.IdentityObject;
if (id != null)
bIsWellKnown = id.IsWellKnown();
}
if ((null == ctorMsg) || bIsWellKnown)
{
// This is also used to short-circuit the activation path
// when we have a well known proxy that has already been
// initialized (there's a race condition if we don't do this).
//
// This is a special case, where we have a remoting proxy
// but the constructormessage hasn't been setup.
// so let us just bail out..
// this is currently used by ServicedComponent's for cross appdomain
// pooling: <EMAIL>Microsoft</EMAIL>
//
ctorMsg = new ConstructorCallMessage(null, null, null, (RuntimeType)GetProxiedType());
// Set the constructor frame info in the CCM
ctorMsg.SetFrame(msgData);
reqMsg = ctorMsg;
// If this was the default ctor, check that default .ctor was called.
if (bIsWellKnown)
{
Contract.Assert(rp!=null, "RemotingProxy expected here!");
// Clear any cached ctorMsg on the RemotingProxy
rp.ConstructorMessage = null;
// We did execute a Connect. Throw if the client
// code is also trying to use a non-default constructor at
// the same time.
if (ctorMsg.ArgCount != 0)
{
throw new RemotingException(
Environment.GetResourceString(
"Remoting_Activation_WellKnownCTOR"));
}
}
// Create a constructor return message
retMsg =
new ConstructorReturnMessage((MarshalByRefObject)GetTransparentProxy(),
null,
0,
null,
ctorMsg);
}
else
{
// Set the constructor frame info in the CCM
ctorMsg.SetFrame(msgData);
reqMsg = ctorMsg;
}
}
else
{
Contract.Assert(false, "Unknown call type");
}
// Make sure that outgoing remote calls are counted.
ChannelServices.IncrementRemoteCalls();
// For non-remoting proxies, EndAsync should not call Invoke()
// because the proxy cannot support Async and the call has already
// finished executing in BeginAsync
if (!IsRemotingProxy()
&& ((msgFlags&Message.EndAsync)==Message.EndAsync))
{
Message msg = reqMsg as Message;
retMsg = EndInvokeHelper(msg, true);
Contract.Assert(null != retMsg, "null != retMsg");
}
// Invoke
Contract.Assert(null != reqMsg, "null != reqMsg");
if (null == retMsg)
{
// NOTE: there are cases where we setup a return message
// and we don't want the activation call to go through
// refer to the note above for ServicedComponents and Cross Appdomain
// pooling
LogicalCallContext cctx = null;
Thread currentThread = Thread.CurrentThread;
// Pick up or clone the call context from the thread
// and install it in the reqMsg as appropriate
cctx = currentThread.GetMutableExecutionContext().LogicalCallContext;
SetCallContextInMessage(reqMsg, msgFlags, cctx);
// Add the outgoing "Header"'s to the message.
cctx.PropagateOutgoingHeadersToMessage(reqMsg);
retMsg = Invoke(reqMsg);
// Get the call context returned and set it on the thread
ReturnCallContextToThread(currentThread, retMsg, msgFlags, cctx);
// Pull response "Header"'s out of the message
Thread.CurrentThread.GetMutableExecutionContext().LogicalCallContext.PropagateIncomingHeadersToCallContext(retMsg);
}
if (!IsRemotingProxy()
&& ((msgFlags&Message.BeginAsync) == Message.BeginAsync))
{
// This was a begin-async on a non-Remoting Proxy. For V-1 they
// cannot support Async and end up doing a Sync call. We need
// to fill up here to make the call look like async to
// the caller.
// Create the async result to return
Message msg = reqMsg as Message;
AsyncResult ar = new AsyncResult(msg);
// Tell the async result that the call has actually completed
// so it can hold on to the return message.
ar.SyncProcessMessage(retMsg);
// create a returnMessage to propagate just the asyncResult back
// to the caller's stack.
retMsg = new ReturnMessage(ar, null, 0, null/*cctx*/, msg);
}
// Propagate out parameters
HandleReturnMessage(reqMsg, retMsg);
// For constructor calls do some extra bookkeeping
if(CallType.ConstructorCall == callType)
{
// NOTE: It is the responsiblity of the callee to propagate
// the out parameters
// Everything went well, we are ready to return
// a proxy to the caller
// Extract the return value
MarshalByRefObject retObj = null;
IConstructionReturnMessage ctorRetMsg = retMsg as IConstructionReturnMessage;
if(null == ctorRetMsg)
{
throw new RemotingException(
Environment.GetResourceString("Remoting_Proxy_BadReturnTypeForActivation"));
}
ConstructorReturnMessage crm = ctorRetMsg as ConstructorReturnMessage;
if (null != crm)
{
// If return message is of type ConstructorReturnMessage
// this is an in-appDomain activation. So no unmarshaling
// needed.
retObj = (MarshalByRefObject)crm.GetObject();
if (retObj == null)
{
throw new RemotingException(
Environment.GetResourceString("Remoting_Activation_NullReturnValue"));
}
}
else
{
// Fetch the objRef out of the returned message and unmarshal it
retObj = (MarshalByRefObject)RemotingServices.InternalUnmarshal(
(ObjRef)ctorRetMsg.ReturnValue,
GetTransparentProxy(),
true /*fRefine*/);
if (retObj == null)
{
throw new RemotingException(
Environment.GetResourceString("Remoting_Activation_NullFromInternalUnmarshal"));
}
}
if (retObj != (MarshalByRefObject)GetTransparentProxy())
{
throw new RemotingException(
Environment.GetResourceString(
"Remoting_Activation_InconsistentState"));
}
if (IsRemotingProxy())
{
// Clear any cached ctorMsg on the RemotingProxy
rp.ConstructorMessage = null;
}
}
}
private static void Invoke(object NotUsed, ref MessageData msgData)
{
Message reqMcmMsg = new Message();
reqMcmMsg.InitFields(msgData);
Delegate thisPtr = reqMcmMsg.GetThisPtr() as Delegate;
if (thisPtr == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Default"));
}
RemotingProxy realProxy = (RemotingProxy) RemotingServices.GetRealProxy(thisPtr.Target);
if (realProxy != null)
{
realProxy.InternalInvoke(reqMcmMsg, true, reqMcmMsg.GetCallType());
}
else
{
int callType = reqMcmMsg.GetCallType();
switch (callType)
{
case 1:
case 9:
{
reqMcmMsg.Properties[Message.CallContextKey] = CallContext.GetLogicalCallContext().Clone();
AsyncResult retVal = new AsyncResult(reqMcmMsg);
AgileAsyncWorkerItem state = new AgileAsyncWorkerItem(reqMcmMsg, ((callType & 8) != 0) ? null : retVal, thisPtr.Target);
ThreadPool.QueueUserWorkItem(new WaitCallback(AgileAsyncWorkerItem.ThreadPoolCallBack), state);
if ((callType & 8) != 0)
{
retVal.SyncProcessMessage(null);
}
reqMcmMsg.PropagateOutParameters(null, retVal);
break;
}
case 2:
RealProxy.EndInvokeHelper(reqMcmMsg, false);
return;
case 10:
break;
default:
return;
}
}
}
// Invoke for case where call is in the same context as the server object
// (This special static method is used for AsyncDelegate-s ... this is called
// directly from the EE)
private static void Invoke(Object NotUsed, ref MessageData msgData)
{
Message m = new Message();
m.InitFields(msgData);
Object thisPtr = m.GetThisPtr();
Delegate d;
if ((d = thisPtr as Delegate) != null)
{
RemotingProxy rp = (RemotingProxy)
RemotingServices.GetRealProxy(d.Target);
if (rp != null)
{
rp.InternalInvoke(m, true, m.GetCallType());
}
else
{
int callType = m.GetCallType();
AsyncResult ar;
switch (callType)
{
case Message.BeginAsync:
case Message.BeginAsync | Message.OneWay:
// pick up call context from the thread
m.Properties[Message.CallContextKey] =
CallContext.GetLogicalCallContext().Clone();
ar = new AsyncResult(m);
AgileAsyncWorkerItem workItem =
new AgileAsyncWorkerItem(
m,
((callType & Message.OneWay) != 0) ?
null : ar, d.Target);
ThreadPool.QueueUserWorkItem(
new WaitCallback(
AgileAsyncWorkerItem.ThreadPoolCallBack),
workItem);
if ((callType & Message.OneWay) != 0)
{
ar.SyncProcessMessage(null);
}
m.PropagateOutParameters(null, ar);
break;
case (Message.EndAsync | Message.OneWay):
return;
case Message.EndAsync:
// This will also merge back the call context
// onto the thread that called EndAsync
RealProxy.EndInvokeHelper(m, false);
break;
default:
BCLDebug.Assert(
false,
"Should never be here. Sync delegate code for agile object ended up in remoting");
break;
}
}
}
else
{
// Static invoke called with incorrect this pointer ...
throw new RemotingException(
Environment.GetResourceString(
"Remoting_Default"));
}
}
private void PrivateInvoke(ref MessageData msgData, int type)
{
IMessage reqMsg = null;
CallType type2 = (CallType) type;
IMessage retMsg = null;
int msgFlags = -1;
RemotingProxy proxy = null;
if (CallType.MethodCall == type2)
{
Message message3 = new Message();
message3.InitFields(msgData);
reqMsg = message3;
msgFlags = message3.GetCallType();
}
else if (CallType.ConstructorCall == type2)
{
msgFlags = 0;
proxy = this as RemotingProxy;
ConstructorCallMessage ccm = null;
bool flag = false;
if (!this.IsRemotingProxy())
{
ccm = new ConstructorCallMessage(null, null, null, (RuntimeType) this.GetProxiedType());
}
else
{
ccm = proxy.ConstructorMessage;
Identity identityObject = proxy.IdentityObject;
if (identityObject != null)
{
flag = identityObject.IsWellKnown();
}
}
if ((ccm == null) || flag)
{
ccm = new ConstructorCallMessage(null, null, null, (RuntimeType) this.GetProxiedType());
ccm.SetFrame(msgData);
reqMsg = ccm;
if (flag)
{
proxy.ConstructorMessage = null;
if (ccm.ArgCount != 0)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Activation_WellKnownCTOR"));
}
}
retMsg = new ConstructorReturnMessage((MarshalByRefObject) this.GetTransparentProxy(), null, 0, null, ccm);
}
else
{
ccm.SetFrame(msgData);
reqMsg = ccm;
}
}
ChannelServices.IncrementRemoteCalls();
if (!this.IsRemotingProxy() && ((msgFlags & 2) == 2))
{
Message message5 = reqMsg as Message;
retMsg = EndInvokeHelper(message5, true);
}
if (retMsg == null)
{
LogicalCallContext cctx = null;
Thread currentThread = Thread.CurrentThread;
cctx = currentThread.GetLogicalCallContext();
this.SetCallContextInMessage(reqMsg, msgFlags, cctx);
cctx.PropagateOutgoingHeadersToMessage(reqMsg);
retMsg = this.Invoke(reqMsg);
this.ReturnCallContextToThread(currentThread, retMsg, msgFlags, cctx);
CallContext.GetLogicalCallContext().PropagateIncomingHeadersToCallContext(retMsg);
}
if (!this.IsRemotingProxy() && ((msgFlags & 1) == 1))
{
Message m = reqMsg as Message;
AsyncResult ret = new AsyncResult(m);
ret.SyncProcessMessage(retMsg);
retMsg = new ReturnMessage(ret, null, 0, null, m);
}
HandleReturnMessage(reqMsg, retMsg);
if (CallType.ConstructorCall == type2)
{
MarshalByRefObject obj2 = null;
IConstructionReturnMessage message7 = retMsg as IConstructionReturnMessage;
if (message7 == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Proxy_BadReturnTypeForActivation"));
}
ConstructorReturnMessage message8 = message7 as ConstructorReturnMessage;
if (message8 != null)
{
obj2 = (MarshalByRefObject) message8.GetObject();
if (obj2 == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Activation_NullReturnValue"));
}
}
else
{
obj2 = (MarshalByRefObject) RemotingServices.InternalUnmarshal((ObjRef) message7.ReturnValue, this.GetTransparentProxy(), true);
if (obj2 == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Activation_NullFromInternalUnmarshal"));
}
}
if (obj2 != ((MarshalByRefObject) this.GetTransparentProxy()))
{
throw new RemotingException(Environment.GetResourceString("Remoting_Activation_InconsistentState"));
}
if (this.IsRemotingProxy())
{
proxy.ConstructorMessage = null;
}
}
}