public ExecutionContext CreateCopy()
{
if (!isNewCapture)
{
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_CannotCopyUsedContext"));
}
ExecutionContext ec = new ExecutionContext();
ec.isNewCapture = true;
ec._syncContext = _syncContext == null ? null : _syncContext.CreateCopy();
// capture the host execution context
ec._hostExecutionContext = _hostExecutionContext == null ? null : _hostExecutionContext.CreateCopy();
if (_securityContext != null)
{
ec._securityContext = _securityContext.CreateCopy();
ec._securityContext.ExecutionContext = ec;
}
if (this._logicalCallContext != null)
{
LogicalCallContext lc = (LogicalCallContext)this.LogicalCallContext;
ec.LogicalCallContext = (LogicalCallContext)lc.Clone();
}
if (this._illogicalCallContext != null)
{
IllogicalCallContext ilcc = (IllogicalCallContext)this.IllogicalCallContext;
ec.IllogicalCallContext = (IllogicalCallContext)ilcc.Clone();
}
return(ec);
}
public static List <string> GetKeys()
{
List <string> keys = new List <string>();
ExecutionContext context = ExecutionContext.Capture();
LogicalCallContext lcc = context.GetType().InvokeMember("LogicalCallContext", BindingFlags.NonPublic | BindingFlags.ExactBinding | BindingFlags.GetProperty | BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance, null, context, new object[0], CultureInfo.InvariantCulture) as LogicalCallContext;
object clone = lcc.Clone();
Hashtable datastore = clone.GetType().InvokeMember("Datastore", BindingFlags.NonPublic | BindingFlags.ExactBinding | BindingFlags.GetProperty | BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance, null, clone, new object[0], CultureInfo.InvariantCulture) as Hashtable;
if (datastore != null)
{
IDictionaryEnumerator enumerator = datastore.GetEnumerator();
while (enumerator.MoveNext())
{
keys.Add((string)enumerator.Key);
}
}
return(keys);
}
// internal helper to capture the current execution context using a passed in stack mark
static internal ExecutionContext Capture(ref StackCrawlMark stackMark)
{
// check to see if Flow is suppressed
if (IsFlowSuppressed())
{
return(null);
}
ExecutionContext ecCurrent = Thread.CurrentThread.GetExecutionContextNoCreate();
ExecutionContext ecNew = new ExecutionContext();
ecNew.isNewCapture = true;
// capture the security context
ecNew.SecurityContext = SecurityContext.Capture(ecCurrent, ref stackMark);
if (ecNew.SecurityContext != null)
{
ecNew.SecurityContext.ExecutionContext = ecNew;
}
// capture the host execution context
ecNew._hostExecutionContext = HostExecutionContextManager.CaptureHostExecutionContext();
if (ecCurrent != null)
{
// capture the sync context
ecNew._syncContext = (ecCurrent._syncContext == null) ? null : ecCurrent._syncContext.CreateCopy();
// copy over the Logical Call Context
if (ecCurrent._logicalCallContext != null)
{
LogicalCallContext lc = (LogicalCallContext)ecCurrent.LogicalCallContext;
ecNew.LogicalCallContext = (LogicalCallContext)lc.Clone();
}
}
return(ecNew);
}
/// <summary>
/// Get all DataContract object from the LogicalCallContext
/// </summary>
/// <returns>Dictionary all LogicalCallContext objects</returns>
public static Dictionary <DataContractAttribute, object> GetDataContract()
{
Dictionary <DataContractAttribute, object> dic = new Dictionary <DataContractAttribute, object>();
ExecutionContext context = ExecutionContext.Capture();
LogicalCallContext lcc = context.GetType().InvokeMember("LogicalCallContext", BindingFlags.NonPublic | BindingFlags.ExactBinding | BindingFlags.GetProperty | BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance, null, context, new object[0], CultureInfo.InvariantCulture) as LogicalCallContext;
object clone = lcc.Clone();
Hashtable datastore = clone.GetType().InvokeMember("Datastore", BindingFlags.NonPublic | BindingFlags.ExactBinding | BindingFlags.GetProperty | BindingFlags.FlattenHierarchy | BindingFlags.Public | BindingFlags.Instance, null, clone, new object[0], CultureInfo.InvariantCulture) as Hashtable;
if (datastore != null)
{
IDictionaryEnumerator enumerator = datastore.GetEnumerator();
while (enumerator.MoveNext())
{
object[] attributes = enumerator.Value.GetType().GetCustomAttributes(typeof(DataContractAttribute), false);
if (attributes.Length > 0)
{
DataContractAttribute dca = attributes[0] as DataContractAttribute;
dic.Add(dca, enumerator.Value);
}
}
}
return(dic);
}
/// <summary> Initializes a new instance of the <see cref="ThreadInfo"/> class. </summary>
/// <param name="propagateThreadPrincipal"> Documentation in progress... </param>
/// <param name="propagateCallContext"> Documentation in progress... </param>
/// <param name="propagateCASMarkers"> Documentation in progress... </param>
private ThreadInfo(bool propagateThreadPrincipal, bool propagateCallContext, bool propagateCASMarkers)
{
if (propagateThreadPrincipal)
{
principal = Thread.CurrentPrincipal;
}
if (propagateCallContext && miGetLogicalCallContext != null)
{
callContext = (LogicalCallContext)miGetLogicalCallContext.Invoke(Thread.CurrentThread, null);
callContext = (LogicalCallContext)callContext.Clone();
// TODO: consider serialize/deserialize call context to get a MBV snapshot
// instead of leaving it up to the Clone method.
}
if (propagateCASMarkers)
{
// TODO: Uncomment the following when Thread.GetCompressedStack is no longer guarded
// by a StrongNameIdentityPermission.
//
// compressedStack = Thread.CurrentThread.GetCompressedStack();
}
}
internal virtual IMessage InternalInvoke(IMethodCallMessage reqMcmMsg, bool useDispatchMessage, int callType)
{
Message message1 = reqMcmMsg as Message;
if (message1 == null && callType != 0)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Proxy_InvalidCallType"));
}
IMessage message2 = (IMessage)null;
Thread currentThread = Thread.CurrentThread;
LogicalCallContext logicalCallContext = currentThread.GetMutableExecutionContext().LogicalCallContext;
Identity identityObject = this.IdentityObject;
ServerIdentity serverIdentity = identityObject as ServerIdentity;
if (serverIdentity != null && identityObject.IsFullyDisconnected())
{
throw new ArgumentException(Environment.GetResourceString("Remoting_ServerObjectNotFound", (object)reqMcmMsg.Uri));
}
MethodBase methodBase = reqMcmMsg.MethodBase;
if ((MethodBase)RemotingProxy._getTypeMethod == methodBase)
{
return((IMessage) new ReturnMessage((object)this.GetProxiedType(), (object[])null, 0, logicalCallContext, reqMcmMsg));
}
if ((MethodBase)RemotingProxy._getHashCodeMethod == methodBase)
{
return((IMessage) new ReturnMessage((object)identityObject.GetHashCode(), (object[])null, 0, logicalCallContext, reqMcmMsg));
}
if (identityObject.ChannelSink == null)
{
IMessageSink chnlSink = (IMessageSink)null;
IMessageSink envoySink = (IMessageSink)null;
if (!identityObject.ObjectRef.IsObjRefLite())
{
RemotingServices.CreateEnvoyAndChannelSinks((MarshalByRefObject)null, identityObject.ObjectRef, out chnlSink, out envoySink);
}
else
{
RemotingServices.CreateEnvoyAndChannelSinks(identityObject.ObjURI, (object)null, out chnlSink, out envoySink);
}
RemotingServices.SetEnvoyAndChannelSinks(identityObject, chnlSink, envoySink);
if (identityObject.ChannelSink == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Proxy_NoChannelSink"));
}
}
IInternalMessage internalMessage = (IInternalMessage)reqMcmMsg;
internalMessage.IdentityObject = identityObject;
if (serverIdentity != null)
{
internalMessage.ServerIdentityObject = serverIdentity;
}
else
{
internalMessage.SetURI(identityObject.URI);
}
switch (callType)
{
case 0:
bool bSkippingContextChain = false;
Context currentContextInternal = currentThread.GetCurrentContextInternal();
IMessageSink ms = identityObject.EnvoyChain;
if (currentContextInternal.IsDefaultContext && ms is EnvoyTerminatorSink)
{
bSkippingContextChain = true;
ms = identityObject.ChannelSink;
}
message2 = RemotingProxy.CallProcessMessage(ms, (IMessage)reqMcmMsg, identityObject.ProxySideDynamicSinks, currentThread, currentContextInternal, bSkippingContextChain);
break;
case 1:
case 9:
LogicalCallContext callContext1 = (LogicalCallContext)logicalCallContext.Clone();
internalMessage.SetCallContext(callContext1);
AsyncResult asyncResult = new AsyncResult(message1);
this.InternalInvokeAsync((IMessageSink)asyncResult, message1, useDispatchMessage, callType);
message2 = (IMessage) new ReturnMessage((object)asyncResult, (object[])null, 0, (LogicalCallContext)null, (IMethodCallMessage)message1);
break;
case 2:
message2 = RealProxy.EndInvokeHelper(message1, true);
break;
case 8:
LogicalCallContext callContext2 = (LogicalCallContext)logicalCallContext.Clone();
internalMessage.SetCallContext(callContext2);
this.InternalInvokeAsync((IMessageSink)null, message1, useDispatchMessage, callType);
message2 = (IMessage) new ReturnMessage((object)null, (object[])null, 0, (LogicalCallContext)null, reqMcmMsg);
break;
case 10:
message2 = (IMessage) new ReturnMessage((object)null, (object[])null, 0, (LogicalCallContext)null, reqMcmMsg);
break;
}
return(message2);
}
} // Invoke
// This is called for all remoted calls on a TP except Ctors
// The method called may be Sync, Async or OneWay(special case of Async)
// In the Async case we come here for both BeginInvoke & EndInvoke
internal virtual IMessage InternalInvoke(
IMethodCallMessage reqMcmMsg, bool useDispatchMessage, int callType)
{
Message reqMsg = reqMcmMsg as Message;
if ((reqMsg == null) && (callType != Message.Sync))
{
// Only the synchronous call type is supported for messages that
// aren't of type Message.
throw new RemotingException(
Environment.GetResourceString("Remoting_Proxy_InvalidCallType"));
}
IMessage retMsg = null;
Thread currentThread = Thread.CurrentThread;
// pick up call context from the thread
LogicalCallContext cctx = currentThread.GetLogicalCallContext();
Identity idObj = IdentityObject;
ServerIdentity serverID = idObj as ServerIdentity;
if ((null != serverID) && idObj.IsFullyDisconnected())
{
throw new ArgumentException(
String.Format(Environment.GetResourceString("Remoting_ServerObjectNotFound"), reqMcmMsg.Uri));
}
// Short-circuit calls to Object::GetType and Object::GetHashCode
MethodBase mb = reqMcmMsg.MethodBase;
if (_getTypeMethod == mb)
{
// Time to load the true type of the remote object....
Type t = GetProxiedType();
return(new ReturnMessage(t, null, 0, null /*cctx*/, reqMcmMsg));
}
if (_getHashCodeMethod == mb)
{
int hashCode = idObj.GetHashCode();
return(new ReturnMessage(hashCode, null, 0, null /*cctx*/, reqMcmMsg));
}
// check for channel sink
if (idObj.ChannelSink == null)
{
throw new RemotingException(
Environment.GetResourceString("Remoting_Proxy_NoChannelSink"));
}
// Set the identity in the message object
IInternalMessage iim = (IInternalMessage)reqMcmMsg;
iim.IdentityObject = idObj;
if (null != serverID)
{
Message.DebugOut("Setting serveridentity on message \n");
iim.ServerIdentityObject = serverID;
}
else
{
// We need to set the URI only for identities that
// are not the server identities. The uri is used to
// dispatch methods for objects outside the appdomain.
// Inside the appdomain (xcontext case) we dispatch
// by getting the server object from the server identity.
iim.SetURI(idObj.URI);
}
Message.DebugOut("InternalInvoke. Dispatching based on class type\n");
AsyncResult ar = null;
switch (callType)
{
case Message.Sync:
Message.DebugOut("RemotingProxy.Invoke Call: SyncProcessMsg\n");
BCLDebug.Assert(!useDispatchMessage, "!useDispatchMessage");
bool bSkipContextChain = false;
Context currentContext = currentThread.GetCurrentContextInternal();
IMessageSink nextSink = idObj.EnvoyChain;
// if we are in the default context, there can be no
// client context chain, so we can skip the intermediate
// calls if there are no envoy sinks
if (currentContext.IsDefaultContext)
{
if (nextSink is EnvoyTerminatorSink)
{
bSkipContextChain = true;
// jump directly to the channel sink
nextSink = idObj.ChannelSink;
}
}
retMsg = CallProcessMessage(nextSink,
reqMcmMsg,
idObj.ProxySideDynamicSinks,
currentThread,
currentContext,
bSkipContextChain);
break;
case Message.BeginAsync:
case Message.BeginAsync | Message.OneWay:
// For async calls we clone the call context from the thread
// This is a limited clone (we dont deep copy the user data)
cctx = (LogicalCallContext)cctx.Clone();
iim.SetCallContext(cctx);
ar = new AsyncResult(reqMsg);
InternalInvokeAsync(ar, reqMsg, useDispatchMessage, callType);
Message.DebugOut("Propagate out params for BeginAsync\n");
retMsg = new ReturnMessage(ar, null, 0, null /*cctx*/, reqMsg);
break;
case Message.OneWay:
// For async calls we clone the call context from the thread
// This is a limited clone (we dont deep copy the user data)
cctx = (LogicalCallContext)cctx.Clone();
iim.SetCallContext(cctx);
InternalInvokeAsync(null, reqMsg, useDispatchMessage, callType);
retMsg = new ReturnMessage(null, null, 0, null /*cctx*/, reqMcmMsg);
break;
case (Message.EndAsync | Message.OneWay):
retMsg = new ReturnMessage(null, null, 0, null /*cctx*/, reqMcmMsg);
break;
case Message.EndAsync:
// For endAsync, we merge back the returned callContext
// into the thread's callContext
retMsg = RealProxy.EndInvokeHelper(reqMsg, true);
break;
}
return(retMsg);
}
internal virtual IMessage InternalInvoke(IMethodCallMessage reqMcmMsg, bool useDispatchMessage, int callType)
{
Message m = reqMcmMsg as Message;
if ((m == null) && (callType != 0))
{
throw new RemotingException(Environment.GetResourceString("Remoting_Proxy_InvalidCallType"));
}
IMessage message2 = null;
Thread currentThread = Thread.CurrentThread;
LogicalCallContext logicalCallContext = currentThread.GetLogicalCallContext();
Identity identityObject = this.IdentityObject;
ServerIdentity identity2 = identityObject as ServerIdentity;
if ((identity2 != null) && identityObject.IsFullyDisconnected())
{
throw new ArgumentException(Environment.GetResourceString("Remoting_ServerObjectNotFound", new object[] { reqMcmMsg.Uri }));
}
MethodBase methodBase = reqMcmMsg.MethodBase;
if (_getTypeMethod == methodBase)
{
return(new ReturnMessage(base.GetProxiedType(), null, 0, logicalCallContext, reqMcmMsg));
}
if (_getHashCodeMethod == methodBase)
{
return(new ReturnMessage(identityObject.GetHashCode(), null, 0, logicalCallContext, reqMcmMsg));
}
if (identityObject.ChannelSink == null)
{
IMessageSink chnlSink = null;
IMessageSink envoySink = null;
if (!identityObject.ObjectRef.IsObjRefLite())
{
RemotingServices.CreateEnvoyAndChannelSinks(null, identityObject.ObjectRef, out chnlSink, out envoySink);
}
else
{
RemotingServices.CreateEnvoyAndChannelSinks(identityObject.ObjURI, null, out chnlSink, out envoySink);
}
RemotingServices.SetEnvoyAndChannelSinks(identityObject, chnlSink, envoySink);
if (identityObject.ChannelSink == null)
{
throw new RemotingException(Environment.GetResourceString("Remoting_Proxy_NoChannelSink"));
}
}
IInternalMessage message3 = (IInternalMessage)reqMcmMsg;
message3.IdentityObject = identityObject;
if (identity2 != null)
{
message3.ServerIdentityObject = identity2;
}
else
{
message3.SetURI(identityObject.URI);
}
AsyncResult ar = null;
switch (callType)
{
case 0:
{
bool bSkippingContextChain = false;
Context currentContextInternal = currentThread.GetCurrentContextInternal();
IMessageSink envoyChain = identityObject.EnvoyChain;
if (currentContextInternal.IsDefaultContext && (envoyChain is EnvoyTerminatorSink))
{
bSkippingContextChain = true;
envoyChain = identityObject.ChannelSink;
}
return(CallProcessMessage(envoyChain, reqMcmMsg, identityObject.ProxySideDynamicSinks, currentThread, currentContextInternal, bSkippingContextChain));
}
case 1:
case 9:
logicalCallContext = (LogicalCallContext)logicalCallContext.Clone();
message3.SetCallContext(logicalCallContext);
ar = new AsyncResult(m);
this.InternalInvokeAsync(ar, m, useDispatchMessage, callType);
return(new ReturnMessage(ar, null, 0, null, m));
case 2:
return(RealProxy.EndInvokeHelper(m, true));
case 3:
case 4:
case 5:
case 6:
case 7:
return(message2);
case 8:
logicalCallContext = (LogicalCallContext)logicalCallContext.Clone();
message3.SetCallContext(logicalCallContext);
this.InternalInvokeAsync(null, m, useDispatchMessage, callType);
return(new ReturnMessage(null, null, 0, null, reqMcmMsg));
case 10:
return(new ReturnMessage(null, null, 0, null, reqMcmMsg));
}
return(message2);
}
