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);
}
}
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);
}
}