public void RunCallback()
{
MsgCallManager.RunCallback(_protoType, _proto);
}
/// <summary>
/// 消息解释
/// 消息结构：4Byte的消息长度（含前8Byte）+ 4Byte的消息ID + 内容
/// </summary>
/// <param name="state">State.</param>
/// <param name="bytesRead">Bytes read.</param>
public void ReceiveProtoMsg(MsgStream state, int bytesRead)
{
if (isDisposed)
{
state.stream = new MemoryStream();
return;
}
if (state.stream.Length > 0)
{
// state.stream = new MemoryStream();
// }
// else
// {
// There might be more data, so store the data received so far.
// 将新接收的数据写入stream尾（消息可能被分包，组好后才能解释）
state.stream.Position = state.stream.Length;
}
state.stream.Write(state.buffer, 0, bytesRead);
//Utils.LogSys.Log("ReceiveProtoMsg:----------------------->" + state.stream.Length);
try{
// Check for end-of-file tag. If it is not there, read
// more data.
if (state.stream.Length >= 10)
{
state.stream.Position = 0;
uint sumLen = ReadLong(state.stream);
long leftLength = state.stream.Length;
while (leftLength - 4 >= sumLen) //至少有一个完整的消息时才能解释
{
float kb_size = (float)sumLen / 1024f;
totalMsgSize += (double)kb_size;
// All the data has been read from the
// client. Display it on the console.
uint dlSn = ReadLong(state.stream);
if (dlSn == 226)
{
int test = 1;
}
if (dlSn == 0 || ServerDlsn == dlSn - 1)
{
// 正常
if (dlSn != 0)
{
ServerDlsn = dlSn;
}
int iProtoType = ReadWord(state.stream);
ProtoID protoType = (ProtoID)iProtoType;
//state.stream.Position = state.stream.Position + 8;
if (state.stream.Length < sumLen - 6 + state.stream.Position)
{
Utils.LogSys.LogWarning("Receive Msg Too Less: " + iProtoType);
Utils.LogSys.LogWarning("Receive Msg Too Less: count: " + sumLen);
Utils.LogSys.LogWarning("Receive Msg Too Less: Position: " + state.stream.Position);
Utils.LogSys.LogWarning("Receive Msg Too Less: Length: " + state.stream.Length);
}
MemoryStream protoStream = new MemoryStream(state.stream.ToArray(),
(int)state.stream.Position, (int)sumLen - 6);
protoStream.Position = 0;
if (!Enum.IsDefined(typeof(ProtoID), iProtoType))
{
Utils.LogSys.LogWarning("Receive Msg Not Defined: " + iProtoType);
MsgCallManager.addMsgObj(protoType, protoStream);
}
else
{
#if UNITY_EDITOR
Utils.LogSys.Log("Receive Msg : " + protoType + "(size:" + sumLen + ")");
#endif
if (ProtoEncryptList.protoEncryptList.Contains(protoType))
{
byte[] bs =
EncryptionUtils.DecryptXor(protoStream, (int)(_encryptKey[0] + dlSn) % 255);
protoStream.Dispose();
protoStream = new MemoryStream(bs, 0, (int)sumLen - 6);
}
object protoMsg = null;
try{
protoMsg = ProtoSerializer.ParseFrom(protoType, protoStream);
} catch (Exception e) {
Utils.LogSys.LogError(protoType);
Debug.LogException(e);
}
if (protoType == ProtoID.SC_LOGIN_REPLY)
{
_reconnectKey = (protoMsg as sc_login_reply).reconnect_key;
_encryptKey = (protoMsg as sc_login_reply).proto_key;
}
#if UNITY_EDITOR
if (protoType != ProtoID.SC_COMMON_HEARTBEAT_REPLY)
{
Utils.LogSys.Log("Got " + protoType + " proto Len:" + sumLen + ". dlSn: " + dlSn);
}
#endif
protoStream.Seek(0, SeekOrigin.Begin);
MsgCallManager.addMsgObj(protoType, protoStream);
}
// protoStream.Dispose();
}
else if (ServerDlsn >= dlSn)
{
// 过期
ProtoID protoType = (ProtoID)ReadWord(state.stream);
#if UNITY_EDITOR
Utils.LogSys.LogWarning("收到过期包：" + dlSn + "(protoID:" + protoType.ToString() +
"),不再处理,当前已处理的最新包编号是：" + ServerDlsn);
#endif
}
else
{
// 丢包
ProtoID protoType = (ProtoID)ReadWord(state.stream);
#if UNITY_EDITOR
Utils.LogSys.LogError("丢失包:（编号" + (ServerDlsn + 1) + "--" + (dlSn - 1) +
") 这次到达的是protoID:" + protoType + " ,已重新请求");
#endif
EventSystem.CallEvent(EventID.SERVER_MSG_MISSING, null);
}
state.stream.Position = state.stream.Position + sumLen - 6;
leftLength = state.stream.Length - state.stream.Position;
if (leftLength > 0)
{
bool hasHoleMsg = true; //字节流中是否还有完整的消息
if (leftLength < 10)
{
hasHoleMsg = false;
}
else
{
sumLen = ReadLong(state.stream);
state.stream.Position = state.stream.Position - 4;
if (sumLen > leftLength - 4)
{
hasHoleMsg = false;
}
}
//1.未解释完，将剩余的字符流存下来
if (!hasHoleMsg)
{
MemoryStream newStream = new MemoryStream();
newStream.Write(state.stream.ToArray(), (int)state.stream.Position, (int)leftLength);
state.stream.Dispose();
state.stream = newStream;
state.stream.Position = 0;
}
//2.解释完成，继续解释字符流中的下一个消息
else
{
state.stream.Position = state.stream.Position + 4;
}
}
else
{
//3.解释完成，new一个空字符流下一个消息
state.stream.Dispose();
state.stream = new MemoryStream();
break;
}
}
}
} catch (Exception e) {
Debug.LogException(e);
}
}