コード例 #1
0
ファイル: Utilities.cs プロジェクト: sumshiny/TubumuMeeting
        public static void Pump <T>(this IUVStream <T> readStream, IUVStream <T> writeStream, Action <Exception> callback)
        {
            bool pending = false;
            bool done    = false;

            Action <Exception> call     = null;
            Action             complete = () => call(null);

            call = (ex) =>
            {
                if (done)
                {
                    return;
                }

                readStream.Error    -= call;
                readStream.Complete -= complete;

                done = true;
                if (callback != null)
                {
                    callback(ex);
                }
            };

            readStream.Data += ((data) =>
            {
                writeStream.Write(data, null);
                if (writeStream.WriteQueueSize > 0)
                {
                    pending = true;
                    readStream.Pause();
                }
            });

            writeStream.Drain += () =>
            {
                if (pending)
                {
                    pending = false;
                    readStream.Resume();
                }
            };

            readStream.Error    += call;
            readStream.Complete += complete;

            readStream.Resume();
        }
コード例 #2
0
        public static void Pump(this IUVStream readStream, IUVStream writeStream, Action <Exception, Exception> callback)
        {
            bool pending = false;
            bool done    = false;

            Action <Exception, Exception> call = (ex1, ex2) => {
                if (done)
                {
                    return;
                }
                done = true;
                if (callback != null)
                {
                    callback(ex1, ex2);
                }
            };

            readStream.Data += ((bb) => {
                writeStream.Write(bb.Array, bb.Offset, bb.Count);
                if (writeStream.WriteQueueSize > 0)
                {
                    pending = true;
                    readStream.Pause();
                }
            });

            writeStream.Drain += () => {
                if (pending)
                {
                    pending = false;
                    readStream.Resume();
                }
            };

            readStream.Complete += () => {
                writeStream.Shutdown(() => call(null, null));
            };

            readStream.Error += (ex) => call(ex, null);
            readStream.Error += (ex) => call(null, ex);

            readStream.Resume();
        }
コード例 #3
0
        public static Task <TData?> ReadStructAsync <TData>(this IUVStream <TData> stream) where TData : struct
        {
            var tcs = new TaskCompletionSource <TData?>();

#if TASK_STATUS
            HelperFunctions.SetStatus(tcs.Task, TaskStatus.Running);
#endif

            Action <Exception, TData?> finish = null;

            Action <Exception> error = (e) => finish(e, null);
            Action <TData>     data  = (val) => finish(null, val);
            Action             end   = () => finish(null, null);

            finish = HelperFunctions.Finish(tcs, () =>
            {
                stream.Pause();
                stream.Error    -= error;
                stream.Complete -= end;
                stream.Data     -= data;
            });

            try
            {
                stream.Error    += error;
                stream.Complete += end;
                stream.Data     += data;
                stream.Resume();
            }
            catch (Exception e)
            {
                finish(e, null);
            }

            return(tcs.Task);
        }