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/* Definitions for tcps_sess class. This implements a session of the
* plain TCP server.
*
* Copyright 2008 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rsyslog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#ifndef INCLUDED_TCPS_SESS_H
#define INCLUDED_TCPS_SESS_H
#include "obj.h"
/* a forward-definition, we are somewhat cyclic */
struct tcpsrv_s;
/* the tcps_sess object */
struct tcps_sess_s {
BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
tcpsrv_t *pSrv; /* pointer back to my server (e.g. for callbacks) */
tcpLstnPortList_t *pLstnInfo; /* pointer back to listener info */
netstrm_t *pStrm;
int iMsg; /* index of next char to store in msg */
int bAtStrtOfFram; /* are we at the very beginning of a new frame? */
enum {
eAtStrtFram,
eInOctetCnt,
eInMsg
} inputState; /* our current state */
int iOctetsRemain; /* Number of Octets remaining in message */
TCPFRAMINGMODE eFraming;
uchar *pMsg; /* message (fragment) received */
uchar *fromHost;
uchar *fromHostIP;
void *pUsr; /* a user-pointer */
rsRetVal (*DoSubmitMessage)(tcps_sess_t*, uchar*, int); /* submit message callback */
};
/* interfaces */
BEGINinterface(tcps_sess) /* name must also be changed in ENDinterface macro! */
INTERFACEObjDebugPrint(tcps_sess);
rsRetVal (*Construct)(tcps_sess_t **ppThis);
rsRetVal (*ConstructFinalize)(tcps_sess_t __attribute__((unused)) *pThis);
rsRetVal (*Destruct)(tcps_sess_t **ppThis);
rsRetVal (*PrepareClose)(tcps_sess_t *pThis);
rsRetVal (*Close)(tcps_sess_t *pThis);
rsRetVal (*DataRcvd)(tcps_sess_t *pThis, char *pData, size_t iLen);
/* set methods */
rsRetVal (*SetTcpsrv)(tcps_sess_t *pThis, struct tcpsrv_s *pSrv);
rsRetVal (*SetLstnInfo)(tcps_sess_t *pThis, tcpLstnPortList_t *pLstnInfo);
rsRetVal (*SetUsrP)(tcps_sess_t*, void*);
rsRetVal (*SetHost)(tcps_sess_t *pThis, uchar*);
rsRetVal (*SetHostIP)(tcps_sess_t *pThis, uchar*);
rsRetVal (*SetStrm)(tcps_sess_t *pThis, netstrm_t*);
rsRetVal (*SetMsgIdx)(tcps_sess_t *pThis, int);
rsRetVal (*SetOnMsgReceive)(tcps_sess_t *pThis, rsRetVal (*OnMsgReceive)(tcps_sess_t*, uchar*, int));
ENDinterface(tcps_sess)
#define tcps_sessCURR_IF_VERSION 2 /* increment whenever you change the interface structure! */
/* interface changes
* to version v2, rgerhards, 2009-05-22
* - Data structures changed
* - SetLstnInfo entry point added
*/
/* prototypes */
PROTOTYPEObj(tcps_sess);
#endif /* #ifndef INCLUDED_TCPS_SESS_H */
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