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/* Definitions for tcps_sess class. This implements a session of the
* plain TCP server.
*
* Copyright 2008-2012 Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDED_TCPS_SESS_H
#define INCLUDED_TCPS_SESS_H
#include "obj.h"
#include "prop.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 */
sbool bAtStrtOfFram; /* are we at the very beginning of a new frame? */
sbool bSuppOctetFram; /**< copy from listener, to speed up access */
enum {
eAtStrtFram,
eInOctetCnt,
eInMsg
} inputState; /* our current state */
int iOctetsRemain; /* Number of Octets remaining in message */
TCPFRAMINGMODE eFraming;
uchar *pMsg; /* message (fragment) received */
prop_t *fromHost; /* host name we received messages from */
prop_t *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, prop_t*);
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 3 /* increment whenever you change the interface structure! */
/* interface changes
* to version v2, rgerhards, 2009-05-22
* - Data structures changed
* - SetLstnInfo entry point added
* version 3, rgerhards, 2013-01-21:
* - signature of SetHostIP() changed
*/
/* prototypes */
PROTOTYPEObj(tcps_sess);
#endif /* #ifndef INCLUDED_TCPS_SESS_H */
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