protected virtual object ExecuteOnRemoteSideInternal(RemoteSideIDType remoteSideID, RemoteOperationDescriptor rso)
{
object ret = null;
if (remoteSideID == null)
{
throw new ArgumentNullException("remoteSideID");
}
if (rso == null)
{
throw new ArgumentNullException("rso");
}
// find appropriate client
IRemoteSideCommunicationContract contract = null;
bool lockTaken = false;
try
{
syncRoot.Enter(ref lockTaken);
communicationContractsByRemoteSideIDDict.TryGetValue(remoteSideID, out contract);
}
finally
{
if (lockTaken)
{
syncRoot.Exit();
}
}
if (contract != null)
{
RemoteRequest req = remoteOperationHandler.CreateRequest(rso);
req.RemoteID = remoteSideID;
RemoteResponse resp = null;
try
{
RequestToRemoteSideStarted(remoteSideID, rso);
resp = contract.ExecuteRequest(req);
}
finally
{
RequestToRemoteSideFinished(remoteSideID, rso);
}
ret = remoteOperationHandler.HandleResponse(resp);
}
else
{
throw new InvalidOperationException(String.Format("Unknown remote side id: {0}", remoteSideID));
}
return(ret);
}
public virtual object HandleResponse(RemoteResponse resp)
{
if (resp == null)
{
throw new ArgumentNullException("resp");
}
object ret = null;
Exception ex = resp.ReturnValue as Exception;
if (ex != null)
{
throw ex;
}
ret = resp.ReturnValue;
return(ret);
}
public virtual RemoteResponse ExecuteRequest(RemoteRequest request)
{
ThrowIfNotInitialized();
if (request == null)
{
throw new ArgumentNullException("request");
}
RemoteResponse ret = null;
RemoteSideIDType remoteID = request.RemoteID;
if (remoteID == null)
{
throw new InvalidOperationException("Remote call without remote side id!"); //LOCSTR
}
var wrapper = remoteSide;
IRemoteSideCommunicationContract currentContract = wrapper.GetCurrentRemoteSideCommunicationContract();
try
{
bool isNewRemoteSide = false;
bool lockTaken = false;
try
{
syncRoot.Enter(ref lockTaken);
RemoteRequestStarted(remoteID, request);
IRemoteSideCommunicationContract lastKnownContract = null;
if (communicationContractsByRemoteSideIDDict.TryGetValue(remoteID, out lastKnownContract))
{
// known client comes in again
if (lastKnownContract != currentContract)
{
communicationContractsByRemoteSideIDDict[remoteID] = currentContract;
remoteSideIDsByCommunicationContractDict.Remove(lastKnownContract);
remoteSideIDsByCommunicationContractDict.Add(currentContract, remoteID);
wrapper.Closed += new EventHandler(Channel_Closed);
wrapper.Faulted += new EventHandler(Channel_Faulted);
RemoteSideReconnected(remoteID);
//Log.Debug("Client {0} reconnected.", remoteID.ToString()); //LOCSTR
System.Diagnostics.Debug.WriteLine("Client {0} reconnected.", remoteID.ToString()); //LOCSTR
}
KnownRemoteSideRequest(remoteID);
}
else
{
wrapper.Closed += new EventHandler(Channel_Closed);
wrapper.Faulted += new EventHandler(Channel_Faulted);
remoteSideIDsByCommunicationContractDict.Add(currentContract, remoteID);
communicationContractsByRemoteSideIDDict.Add(remoteID, currentContract);
NewRemoteSideConnected(remoteID);
isNewRemoteSide = true;
}
}
finally
{
if (lockTaken)
{
syncRoot.Exit();
}
}
if (isNewRemoteSide)
{
OnRemoteSideConnected(remoteID);
}
// process request
ret = remoteOperationHandler.ExecuteRequest(request, typeof(RemoteCallableTypeAttribute), typeof(RemoteCallableFuncAttribute));
}
finally
{
RemoteRequestFinished(remoteID, request);
}
return(ret);
}
public virtual RemoteResponse ExecuteRequest(RemoteRequest request, Type callableTypeAttribute, Type callableFuncAttribute)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
if (callableTypeAttribute == null)
{
throw new ArgumentNullException("callableTypeAttribute");
}
if (callableFuncAttribute == null)
{
throw new ArgumentNullException("callableFuncAttribute");
}
RemoteResponse ret = new RemoteResponse();
try
{
// get type
Type interfaceType;
interfaceType = TypeHelper.GetType(request.ExecuteOnRemoteSideOperation.InterfaceType, VersionMismatchCheckerAssemblyResolver, null);
if (interfaceType != null)
{
MethodInfo methodInfo = TypeHelper.GetMethodInfo(interfaceType, request.ExecuteOnRemoteSideOperation.MethodName, request.ExecuteOnRemoteSideOperation.Parameters);
if (methodInfo != null)
{
string calledMethodName = String.Concat(interfaceType.Name, "+", methodInfo.Name);
System.Diagnostics.Debug.WriteLine("{0}Call to: {1}", (request.RemoteID != null) ? String.Concat("[", request.RemoteID, "] ") : String.Empty, calledMethodName);
// sanity checks
if (!TypeHelper.HasCustomAttribute(interfaceType, callableTypeAttribute))
{
throw new InvalidOperationException(String.Format("Method {0} in type {1} called, but type not marked with {2}!", methodInfo.Name, interfaceType.Name, callableTypeAttribute)); //LOCSTR
}
var attrs = TypeHelper.GetCustomAttributes(methodInfo, callableFuncAttribute);
if (attrs.Length != 1)
{
throw new InvalidOperationException(String.Format("Method {0} in type {1} called, but method not marked with {2}!", methodInfo.Name, interfaceType.Name, callableFuncAttribute)); //LOCSTR
}
// get instance
var lbInstance = diContainer.GetLazyBoundInstance(interfaceType);
if (lbInstance.Value != null)
{
object instance = lbInstance.Value;
// call method
ret.ReturnValue = methodInfo.Invoke(instance, request.ExecuteOnRemoteSideOperation.Parameters);
}
else
{
throw new InvalidOperationException(string.Format("Interface {0} not available in DIContainer!", interfaceType.Name)); //LOCSTR
}
}
else
{
throw new InvalidOperationException(string.Format("Method {0} not found with parameters: {1}!", request.ExecuteOnRemoteSideOperation.MethodName, string.Join(",", request.ExecuteOnRemoteSideOperation.Parameters))); //LOCSTR
}
}
else
{
throw new InvalidOperationException(string.Format("Interface {0} not found!", request.ExecuteOnRemoteSideOperation.InterfaceType)); //LOCSTR
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine("While processing request: {1}{0}{1}{2}", request, Environment.NewLine, ex); //LOCSTR
TargetInvocationException tex = ex as TargetInvocationException;
if ((tex != null) && (tex.InnerException != null))
{
ex = tex.InnerException;
}
ret.ReturnValue = ex;
}
return(ret);
}
