private static Task CreateGenericTask(ServiceChannel channel, ProxyOperationRuntime operation, object[] inputParameters)
{
TaskCompletionSourceProxy tcsp = new TaskCompletionSourceProxy(operation.TaskTResult);
Action <Task <object>, object> completeCallDelegate = (antecedent, obj) =>
{
var tcsProxy = obj as TaskCompletionSourceProxy;
Contract.Assert(tcsProxy != null);
if (antecedent.IsFaulted)
{
tcsProxy.TrySetException(antecedent.Exception.InnerException);
}
else if (antecedent.IsCanceled)
{
tcsProxy.TrySetCanceled();
}
else
{
tcsProxy.TrySetResult(antecedent.Result);
}
};
try
{
channel.CallAsync(operation.Action, operation.IsOneWay, operation, inputParameters,
Array.Empty <object>()).ContinueWith(completeCallDelegate, tcsp);
}
#pragma warning disable CA1031 // Do not catch general exception types - copying all exceptions to TaskCompeletionSource
catch (Exception e)
{
tcsp.TrySetException(e);
}
#pragma warning restore CA1031 // Do not catch general exception types
return(tcsp.Task);
}
private static Task CreateTask(ServiceChannel channel, ProxyOperationRuntime operation, object[] inputParameters)
{
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>();
Action <Task <object>, object> completeCallDelegate = (antecedent, obj) =>
{
var tcsObj = obj as TaskCompletionSource <object>;
Contract.Assert(tcsObj != null);
if (antecedent.IsFaulted)
{
tcsObj.TrySetException(antecedent.Exception.InnerException);
}
else if (antecedent.IsCanceled)
{
tcsObj.TrySetCanceled();
}
else
{
tcsObj.TrySetResult(antecedent.Result);
}
};
try
{
channel.CallAsync(operation.Action, operation.IsOneWay, operation, inputParameters,
Array.Empty <object>()).ContinueWith(completeCallDelegate, tcs);
}
catch (Exception e)
{
tcs.TrySetException(e);
}
return(tcs.Task);
}
private object InvokeService(MethodCall methodCall, ProxyOperationRuntime operation)
{
object[] ins = operation.MapSyncInputs(methodCall, out object[] outs);
object ret;
using (TaskHelpers.RunTaskContinuationsOnOurThreads())
{
ret = _serviceChannel.CallAsync(operation.Action, operation.IsOneWay, operation, ins, outs).GetAwaiter().GetResult();
}
operation.MapSyncOutputs(methodCall, outs, ref ret);
return(ret);
}