public static IMessage Activate (RemotingProxy proxy, ConstructionCall ctorCall)
{
IMessage response;
ctorCall.SourceProxy = proxy;
if (Thread.CurrentContext.HasExitSinks && !ctorCall.IsContextOk)
response = Thread.CurrentContext.GetClientContextSinkChain ().SyncProcessMessage (ctorCall);
else
response = RemoteActivate (ctorCall);
if (response is IConstructionReturnMessage && ((IConstructionReturnMessage)response).Exception == null && proxy.ObjectIdentity == null)
{
Identity identity = RemotingServices.GetMessageTargetIdentity (ctorCall);
proxy.AttachIdentity (identity);
}
return response;
}
/* this is called from unmanaged code */
internal static object PrivateInvoke (RealProxy rp, IMessage msg, out Exception exc,
out object [] out_args)
{
MonoMethodMessage mMsg = (MonoMethodMessage) msg;
mMsg.LogicalCallContext = CallContext.CreateLogicalCallContext (true);
CallType call_type = mMsg.CallType;
#if MOONLIGHT
bool is_remproxy = false;
#else
bool is_remproxy = (rp is RemotingProxy);
#endif
out_args = null;
IMethodReturnMessage res_msg = null;
if (call_type == CallType.BeginInvoke)
// todo: set CallMessage in runtime instead
mMsg.AsyncResult.CallMessage = mMsg;
if (call_type == CallType.EndInvoke)
res_msg = (IMethodReturnMessage)mMsg.AsyncResult.EndInvoke ();
// Check for constructor msg
if (mMsg.MethodBase.IsConstructor)
{
#if !MOONLIGHT
if (is_remproxy)
res_msg = (IMethodReturnMessage) (rp as RemotingProxy).ActivateRemoteObject ((IMethodMessage) msg);
else
#endif
msg = new ConstructionCall (rp.GetProxiedType ());
}
if (null == res_msg)
{
bool failed = false;
try {
res_msg = (IMethodReturnMessage)rp.Invoke (msg);
} catch (Exception ex) {
failed = true;
if (call_type == CallType.BeginInvoke) {
// If async dispatch crashes, don't propagate the exception.
// The exception will be raised when calling EndInvoke.
mMsg.AsyncResult.SyncProcessMessage (new ReturnMessage (ex, msg as IMethodCallMessage));
res_msg = new ReturnMessage (null, null, 0, null, msg as IMethodCallMessage);
} else
throw;
}
// Note, from begining this code used AsyncResult.IsCompleted for
// checking if it was a remoting or custom proxy, but in some
// cases the remoting proxy finish before the call returns
// causing this method to be called, therefore causing all kind of bugs.
if ((!is_remproxy) && call_type == CallType.BeginInvoke && !failed)
{
IMessage asyncMsg = null;
// allow calltype EndInvoke to finish
asyncMsg = mMsg.AsyncResult.SyncProcessMessage (res_msg as IMessage);
out_args = res_msg.OutArgs;
res_msg = new ReturnMessage (asyncMsg, null, 0, null, res_msg as IMethodCallMessage);
}
}
if (res_msg.LogicalCallContext != null && res_msg.LogicalCallContext.HasInfo)
CallContext.UpdateCurrentCallContext (res_msg.LogicalCallContext);
exc = res_msg.Exception;
// todo: remove throw exception from the runtime invoke
if (null != exc) {
out_args = null;
throw exc.FixRemotingException();
}
else if (res_msg is IConstructionReturnMessage) {
if (out_args == null)
out_args = res_msg.OutArgs;
}
else if (mMsg.CallType == CallType.BeginInvoke) {
// We don't have OutArgs in this case.
}
else if (mMsg.CallType == CallType.Sync) {
out_args = ProcessResponse (res_msg, mMsg);
}
else if (mMsg.CallType == CallType.EndInvoke) {
out_args = ProcessResponse (res_msg, mMsg.AsyncResult.CallMessage);
}
else {
if (out_args == null)
out_args = res_msg.OutArgs;
}
return res_msg.ReturnValue;
}
internal RemotingProxy (Type type, string activationUrl, object[] activationAttributes) : base (type)
{
_hasEnvoySink = false;
_ctorCall = ActivationServices.CreateConstructionCall (type, activationUrl, activationAttributes);
}
public static ConstructionCall CreateConstructionCall (Type type, string activationUrl, object[] activationAttributes)
{
ConstructionCall ctorCall = new ConstructionCall (type);
if (!type.IsContextful)
{
// Must be a remote activated object
ctorCall.Activator = new AppDomainLevelActivator (activationUrl, ConstructionActivator);
ctorCall.IsContextOk = false; // It'll be activated in a remote context
return ctorCall;
}
// It is a CBO. Need collect context properties and
// check if a new context is needed.
IActivator activatorChain = ConstructionActivator;
activatorChain = new ContextLevelActivator (activatorChain);
ArrayList attributes = new ArrayList ();
if (activationAttributes != null) attributes.AddRange (activationAttributes);
bool isContextOk = (activationUrl == ChannelServices.CrossContextUrl); // Remote CBOs are always created in a new context
Context currentContext = Threading.Thread.CurrentContext;
if (isContextOk)
{
foreach (IContextAttribute attr in attributes)
{
if (!attr.IsContextOK (currentContext, ctorCall))
{
isContextOk = false;
break;
}
}
}
object[] typeAttributes = type.GetCustomAttributes (true);
foreach (object attr in typeAttributes)
{
if (attr is IContextAttribute)
{
isContextOk = isContextOk && ((IContextAttribute)attr).IsContextOK (currentContext, ctorCall);
attributes.Add (attr);
}
}
if (!isContextOk)
{
// A new context is needed. Collect the context properties and chain
// the context level activator.
ctorCall.SetActivationAttributes (attributes.ToArray());
foreach (IContextAttribute attr in attributes)
attr.GetPropertiesForNewContext (ctorCall);
}
if (activationUrl != ChannelServices.CrossContextUrl)
activatorChain = new AppDomainLevelActivator (activationUrl, activatorChain);
ctorCall.Activator = activatorChain;
ctorCall.IsContextOk = isContextOk;
return ctorCall;
}
internal void AttachIdentity (Identity identity)
{
_objectIdentity = identity;
if (identity is ClientActivatedIdentity) // It is a CBO
{
ClientActivatedIdentity cai = (ClientActivatedIdentity)identity;
_targetContext = cai.Context;
AttachServer (cai.GetServerObject ());
cai.SetClientProxy ((MarshalByRefObject) GetTransparentProxy());
}
if (identity is ClientIdentity)
{
((ClientIdentity)identity).ClientProxy = (MarshalByRefObject) GetTransparentProxy();
_targetUri = ((ClientIdentity)identity).TargetUri;
}
else
_targetUri = identity.ObjectUri;
if (_objectIdentity.EnvoySink != null)
{
_sink = _objectIdentity.EnvoySink;
_hasEnvoySink = true;
}
else
_sink = _objectIdentity.ChannelSink;
_ctorCall = null; // Object already constructed
}