| static private SyncProcessMessageCallback ( Object args ) : Object | ||
| args | Object | |
| return | Object | |
internal static Object SyncProcessMessageCallback(Object[] args)
{
IMessage reqMsg = args[0] as IMessage;
Context srvCtx = args[1] as Context;
IMessage replyMsg = null;
// If profiling of remoting is active, must tell the profiler that we have received
// a message.
if (RemotingServices.CORProfilerTrackRemoting())
{
Guid g = Guid.Empty;
if (RemotingServices.CORProfilerTrackRemotingCookie())
{
Object obj = reqMsg.Properties["CORProfilerCookie"];
if (obj != null)
{
g = (Guid) obj;
}
}
RemotingServices.CORProfilerRemotingServerReceivingMessage(g, false);
}
Message.DebugOut("::::::::::::::::::::::::: CrossContext Channel: passing to ServerContextChain");
// Server side notifications for dynamic sinks are done
// in the x-context channel ... this is to maintain
// symmetry of the point of notification between
// the client and server context
srvCtx.NotifyDynamicSinks(
reqMsg,
false, // bCliSide
true, // bStart
false, // bAsync
true); // bNotifyGlobals
replyMsg = srvCtx.GetServerContextChain().SyncProcessMessage(reqMsg);
srvCtx.NotifyDynamicSinks(
replyMsg,
false, // bCliSide
false, // bStart
false, // bAsync
true); // bNotifyGlobals
Message.DebugOut("::::::::::::::::::::::::: CrossContext Channel: back from ServerContextChain");
// If profiling of remoting is active, must tell the profiler that we are sending a
// reply message.
if (RemotingServices.CORProfilerTrackRemoting())
{
Guid g;
RemotingServices.CORProfilerRemotingServerSendingReply(out g, false);
if (RemotingServices.CORProfilerTrackRemotingCookie())
{
replyMsg.Properties["CORProfilerCookie"] = g;
}
}
return replyMsg;
}
public static ServerProcessing DispatchMessage(
IServerChannelSinkStack sinkStack,
IMessage msg,
out IMessage replyMsg)
{
ServerProcessing processing = ServerProcessing.Complete;
replyMsg = null;
try
{
if (null == msg)
{
throw new ArgumentNullException("msg");
}
BCLDebug.Trace("REMOTE", "Dispatching for URI " + InternalSink.GetURI(msg));
// we must switch to the target context of the object and call the context chains etc...
// Currenly XContextChannel does exactly so. So this method is just a wrapper..
// Make sure that incoming calls are counted as a remote call. This way it
// makes more sense on a server.
IncrementRemoteCalls();
// Check if the object has been disconnected or if it is
// a well known object then we have to create it lazily.
ServerIdentity srvId = CheckDisconnectedOrCreateWellKnownObject(msg);
// Make sure that this isn't an AppDomain object since we don't allow
// calls to the AppDomain from out of process (and x-process calls
// are always dispatched through this method)
if (srvId.ServerType == typeof(System.AppDomain))
{
throw new RemotingException(
Environment.GetResourceString(
"Remoting_AppDomainsCantBeCalledRemotely"));
}
IMethodCallMessage mcm = msg as IMethodCallMessage;
if (mcm == null)
{
// It's a plain IMessage, so just check to make sure that the
// target object implements IMessageSink and dispatch synchronously.
if (!typeof(IMessageSink).IsAssignableFrom(srvId.ServerType))
{
throw new RemotingException(
Environment.GetResourceString(
"Remoting_AppDomainsCantBeCalledRemotely"));
}
processing = ServerProcessing.Complete;
replyMsg = ChannelServices.GetCrossContextChannelSink().SyncProcessMessage(msg);
}
else
{
// It's an IMethodCallMessage.
// Check if the method is one way. Dispatch one way calls in
// an asynchronous manner
MethodInfo method = (MethodInfo)mcm.MethodBase;
// X-process / X-machine calls should be to non-static
// public methods only! Non-public or static methods can't
// be called remotely.
if (!IsMethodReallyPublic(method) &&
!RemotingServices.IsMethodAllowedRemotely(method))
{
throw new RemotingException(
Environment.GetResourceString(
"Remoting_NonPublicOrStaticCantBeCalledRemotely"));
}
RemotingMethodCachedData cache = (RemotingMethodCachedData)
InternalRemotingServices.GetReflectionCachedData(method);
/*
* FUTURE:
* Dispatching asynchronously was cut from v1. We should reactivate
* the following code in v1.x or v2.
*
* // look for async method version
* MethodInfo begin;
* MethodInfo end;
* ServerChannelSinkStack serverSinkStack = sinkStack as ServerChannelSinkStack;
* if ((sinkStack != null) &&
* cache.GetAsyncMethodVersion(out begin, out end))
* {
* processing = ServerProcessing.Async;
* IMessage asyncMsg =
* new AsyncMethodCallMessageWrapper(
* (IMethodCallMessage)msg,
* begin,
* new AsyncCallback(sinkStack.ServerCallback),
* null);
* serverSinkStack.AsyncMessage = asyncMsg;
* serverSinkStack.AsyncEnd = end;
* serverSinkStack.Message = (IMethodCallMessage)msg;
* asyncMsg.Properties["__SinkStack"] = sinkStack;
*
* // We don't dispatch yet. That happens when the server transport sink
* // eventually calls sinkStack.StoreAndDispatch(...).
* }
* else
*/
if (RemotingServices.IsOneWay(method))
{
processing = ServerProcessing.OneWay;
ChannelServices.GetCrossContextChannelSink().AsyncProcessMessage(msg, null);
}
else
{
// regular processing
processing = ServerProcessing.Complete;
if (!srvId.ServerType.IsContextful)
{
Object[] args = new Object[] { msg, srvId.ServerContext };
replyMsg = (IMessage)CrossContextChannel.SyncProcessMessageCallback(args);
}
else
{
replyMsg = ChannelServices.GetCrossContextChannelSink().SyncProcessMessage(msg);
}
}
} // end of case for IMethodCallMessage
}
catch (Exception e)
{
if (processing != ServerProcessing.OneWay)
{
try
{
IMethodCallMessage mcm =
(IMethodCallMessage)((msg != null)?msg:new ErrorMessage());
replyMsg = (IMessage) new ReturnMessage(e, mcm);
if (msg != null)
{
((ReturnMessage)replyMsg).SetLogicalCallContext(
(LogicalCallContext)
msg.Properties[Message.CallContextKey]);
}
}
catch (Exception)
{
// Fatal exception .. ignore
}
}
}
return(processing);
} // DispatchMessage