Ejemplo n.º 1
0
        public bool Send(WazSession s, object data)
        {
            Packable packAttr = (Packable)Attribute.GetCustomAttribute(data.GetType(), typeof(Packable));

            if (packAttr == null)
            {
                return(false);
            }

            int sizePackOffsetLen = sizeof(PackageOffsetToEnd);

            try
            {
                //序列化
                FieldInfo[] members = data.GetType().GetFields();
                mMemSendStream.Position = 0;
                mMemSendStream.SetLength(0);
                mBinWriter.Write(mPackHead);

                long posPackLen = mMemSendStream.Position;
                //留空位给等下回来写包长度
                mBinWriter.Seek(sizePackOffsetLen, SeekOrigin.Current);
                mBinWriter.Write(packAttr.ID);
                foreach (FieldInfo f in members)
                {
                    object o = f.GetValue(data);

                    WazSerializerHelper.Write(mBinWriter, o);
                }

                PackageOffsetToEnd offsetToEnd = (PackageOffsetToEnd)(mMemSendStream.Position - posPackLen - sizePackOffsetLen);

                mBinWriter.Write(mPackEnd);

                mBinWriter.Seek((int)posPackLen, SeekOrigin.Begin);
                mBinWriter.Write(offsetToEnd);

                mNetwork.Send(s, mMemSendStream.ToArray());
                return(true);
            }
            catch
            {
                return(false);
            }
        }
Ejemplo n.º 2
0
        void Handle_RecivePackage(WazSession s, byte[] data, int size)
        {
            PackRecHelper recHelper;

            if (!mSessionRecHelpers.TryGetValue(s.Handle, out recHelper))
            {
                return;
            }

            //将data 放入读取stream末尾
            recHelper.Stream.Write(data, 0, size);
            recHelper.Stream.Seek(recHelper.PreReadStreamOffset, SeekOrigin.Begin);
            bool havePackageCut = false;

            //开始读取.
            while (recHelper.Stream.Position < recHelper.Stream.Length - 1)
            {
                long   posStartRead = recHelper.Stream.Position;
                object objPack;
                Type   typePack;
                try
                {
                    //读包头
                    byte head = recHelper.Reader.ReadByte();
                    if (head != mPackHead)
                    {
                        continue;
                    }
                    //读长度(实际为到包尾offset)
                    PackageOffsetToEnd offsetToEnd = recHelper.Reader.ReadUInt16();

                    //判断超出当前流(一个包在两段流中)
                    if (recHelper.Stream.Position + offsetToEnd + 1 > recHelper.Stream.Length)
                    {
                        recHelper.PreReadStreamOffset = posStartRead;
                        havePackageCut = true;
                        break;
                    }

                    //判断包尾是否正确
                    long posTmp = recHelper.Stream.Position;
                    recHelper.Stream.Seek(offsetToEnd, SeekOrigin.Current);
                    byte end = recHelper.Reader.ReadByte();
                    recHelper.Stream.Position = posTmp;//还原pos到读位置之后
                    if (end != mPackEnd)
                    {
                        continue;
                    }

                    //读命令id
                    PackageID pID = recHelper.Reader.ReadUInt16();

                    if (!mPackageMap.TryGetValue(pID, out typePack))
                    {
                        Debug.WriteLine("[erro]解析包时出现未注册包ID");
                        continue;
                    }

                    //正式开始数据
                    objPack = Activator.CreateInstance(typePack);
                    FieldInfo[] packFields = typePack.GetFields();
                    foreach (FieldInfo f in packFields)
                    {
                        f.SetValue(objPack, WazSerializerHelper.Read(recHelper.Reader, f.FieldType));
                    }

                    //跳过包尾
                    recHelper.Stream.Seek(1, SeekOrigin.Current);
                }
                catch (Exception e)
                {
                    //					recHelper.PreReadStreamOffset = posStartRead;
                    //					havePackageCut = true;
                    Debug.WriteLine("[erro]接收数据包异常.可能出现错误包 \r\n" + e.ToString());
                    break;
                }

                if (objPack != null)
                {
                    if (EvtRecevicePack != null)
                    {
                        EvtRecevicePack(s, objPack);
                    }

                    //触发pack绑定处理函数
                    Action <WazSession, object> packBindHanlders;
                    if (mPackDispathToAllSessionMap.TryGetValue(typePack, out packBindHanlders))
                    {
                        packBindHanlders(s, objPack);
                    }

                    //触发session,pack绑定处理函数
                    Dictionary <Type, Action <object> > typePackMap;
                    if (mPackDispatchMap.TryGetValue(s.Handle, out typePackMap))
                    {
                        Action <object> handler;
                        if (typePackMap.TryGetValue(typePack, out handler))
                        {
                            handler(objPack);
                        }
                    }
                }
            }

            //证明完成读包,重置缓冲区
            if (!havePackageCut)
            {
                recHelper.PreReadStreamOffset = 0;
                recHelper.Stream.Position     = 0;
                recHelper.Stream.SetLength(0);
            }
        }