62     virtual int GetSessionId(void* pkg, int len,  int& session) { return 0;};  in GetSessionId()
64     virtual int CreateSocket(){return -1;};  in CreateSocket()
66     virtual void CloseSocket(){};  in CloseSocket()
68     virtual int InputNotify(){return 0;};  in InputNotify()
70     virtual int OutputNotify(){return 0;};  in OutputNotify()
72     virtual int HangupNotify(){return 0;};  in HangupNotify()
74     virtual int KqueueCtlAdd(void* args){return 0;};  in KqueueCtlAdd()
76     virtual int KqueueCtlDel(void* args){return 0;};  in KqueueCtlDel()
84     virtual ~ISessionNtfy() {   };  in ~ISessionNtfy()
107     virtual void NotifyWriteWait(){};  in NotifyWriteWait()
121     virtual int GetSessionId(void* pkg, int len,  int& session) { return 0;};  in GetSessionId()
133     virtual ~UdpSessionNtfy() {    };  in ~UdpSessionNtfy()
135     virtual void NotifyWriteWait();
137     virtual int CreateSocket();
139     virtual void CloseSocket();
141     virtual int InputNotify();
143     virtual int OutputNotify();
145     virtual int HangupNotify();
147     virtual int KqueueCtlAdd(void* args);
149     virtual int KqueueCtlDel(void* args);
180     virtual void Reset() {  in Reset()
185     virtual int KqueueCtlAdd(void* args) {  in KqueueCtlAdd()
203     virtual int KqueueCtlDel(void* args) {  in KqueueCtlDel()
228     virtual int InputNotify();
230     virtual int OutputNotify();
232     virtual int HangupNotify();