00001
00046 #ifndef __LIB3195_BEEPCHANNEL_H_INCLUDED__
00047 #define __LIB3195_BEEPCHANNEL_H_INCLUDED__ 1
00048 #include "sockets.h"
00049 #include "beepsession.h"
00050
00052 #define SBCHAN_INVALID_CHANNEL -1
00053 #define sbChanCHECKVALIDOBJECT(x) {assert((x) != NULL); assert((x)->OID == OIDsbChan); assert((x)->iState != sbChan_STATE_INVALID);}
00054
00059 enum sbChannelState_
00060 {
00061 sbChan_STATE_INVALID = 0,
00062 sbChan_STATE_INITIALIZED,
00063 sbChan_STATE_OPEN,
00064 sbChan_STATE_AWAITING_CLOSE,
00065 sbChan_STATE_PENDING_CLOSE,
00066 sbChan_STATE_CLOSED,
00067 sbChan_STATE_BROKEN,
00068 sbChan_STATE_ERR_FREE_NEEDED
00069 };
00070 typedef enum sbChannelState_ sbChannelState;
00071
00072 struct sbMesgObject;
00073 struct sbSessObject;
00074 struct sbChanObject
00078 {
00079 srObjID OID;
00080 unsigned uChanNum;
00081 unsigned uSeqno;
00082 unsigned uMsgno;
00083 unsigned uTXWin;
00084 unsigned uTXWinLeft;
00085 unsigned uRXWin;
00086 unsigned uRXWinLeft;
00087 sbSockObj* pSock;
00088 struct sbSessObject* pSess;
00089 sbChannelState iState;
00090 void *pProfInstance;
00091 struct sbProfObject *pProf;
00092 };
00093 typedef struct sbChanObject sbChanObj;
00094
00095 #include "beepmessage.h"
00096
00114 srRetVal sbChanSetChanno(sbChanObj *pThis, int iChanno);
00115
00120 sbChanObj* sbChanConstruct(struct sbSessObject* pSess);
00121
00133 srRetVal sbChanSendMesg(sbChanObj *pThis, struct sbMesgObject* pMesg, char* pszCmd);
00134
00148 srRetVal sbChanActualSendFram(sbChanObj *pThis, struct sbFramObject* pFram);
00149
00150
00155 void sbChanDestroy(sbChanObj* pThis);
00156
00162 srRetVal sbChanUpdateChannelState(sbChanObj* pThis, int iNewState);
00163
00177 srRetVal sbChanAssignProfile(sbChanObj *pThis, struct sbProfObject *pProf);
00178
00184 void sbChanAbort(sbChanObj* pThis);
00185
00193 srRetVal sbChanSendErrResponse(sbChanObj *pThis, unsigned uErrCode, char* pszErrMsg);
00194
00198 srRetVal sbChanSetAwaitingClose(sbChanObj* pThis);
00199
00207 srRetVal sbChanSendSEQ(sbChanObj *pThis, unsigned uAckno, unsigned uWindow);
00208
00213 srRetVal sbChanSendOK(sbChanObj*pThis, void (*OnFrameDestroy)(struct sbFramObject*), void* pUsr);
00214
00218 srRetVal sbChanSetChanClosed(sbChanObj* pThis);
00219
00220 #endif
