public static ETTask <T> FromCanceled <T>(CancellationToken token)
{
var tcs = new ETTaskCompletionSource <T>();
tcs.TrySetException(new OperationCanceledException(token));
return(tcs.Task);
}
public static ETTask CompletedTask => new ETTask(); //public static ETTask CompletedTask { get { return new ETTask(); } }
public static ETTask FromException(Exception ex)
{
ETTaskCompletionSource tcs = new ETTaskCompletionSource();
tcs.TrySetException(ex);
return(tcs.Task);
}
public static ETTask <T> FromException <T>(Exception ex)
{
var tcs = new ETTaskCompletionSource <T>();
tcs.TrySetException(ex);
return(tcs.Task);
}
public static ETTask <T> FromCanceled <T>(CancellationToken token)
{
var promise = new ETTaskCompletionSource <T>();
promise.TrySetException(new OperationCanceledException(token));
return(new ETTask <T>(promise));
}
public static ETTask <T> FromException <T>(Exception ex)
{
var promise = new ETTaskCompletionSource <T>();
promise.TrySetException(ex);
return(new ETTask <T>(promise));
}
public static ETTask FromException(Exception ex)
{
var promise = new ETTaskCompletionSource <AsyncUnit>();
promise.TrySetException(ex);
return(new ETTask(promise));
}
public ETTask <IResponse> Call(IRequest request)
{
int rpcId = ++RpcId;
var tcs = new ETTaskCompletionSource <IResponse>();
this.requestCallback[rpcId] = (response) =>
{
try
{
if (ErrorCode.IsRpcNeedThrowException(response.Error))
{
throw new RpcException(response.Error, response.Message);
}
tcs.TrySetResult(response);
}
catch (Exception e)
{
tcs.TrySetException(new Exception($"Rpc Error: {request.GetType().FullName}", e));
}
};
request.RpcId = rpcId;
this.Send(0x00, request);
return(tcs.Task);
}
// 3. SetException
//[DebuggerHidden]
public void SetException(Exception exception)
{
if (promise == null)
{
promise = new ETTaskCompletionSource();
}
if (exception is OperationCanceledException ex)
{
promise.TrySetCanceled(ex);
}
else
{
promise.TrySetException(exception);
}
}
