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/* Definitions for tcpsrv class.
*
* 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_TCPSRV_H
#define INCLUDED_TCPSRV_H
#include "obj.h"
#include "tcps_sess.h"
/* the tcpsrv object */
typedef struct tcpsrv_s {
BEGINobjInstance; /**< Data to implement generic object - MUST be the first data element! */
int *pSocksLstn; /**< listen socket array for server [0] holds count */
int iSessMax; /**< max number of sessions supported */
char *TCPLstnPort; /**< the port the listener shall listen on */
tcps_sess_t **pSessions;/**< array of all of our sessions */
void *pUsr; /**< a user-settable pointer (provides extensibility for "derived classes")*/
/* callbacks */
int (*pIsPermittedHost)(struct sockaddr *addr, char *fromHostFQDN, void*pUsrSrv, void*pUsrSess);
int (*pRcvData)(tcps_sess_t*, char*, size_t);
int* (*OpenLstnSocks)(struct tcpsrv_s*);
rsRetVal (*pOnListenDeinit)(void*);
rsRetVal (*OnDestruct)(void*);
rsRetVal (*pOnRegularClose)(tcps_sess_t *pSess);
rsRetVal (*pOnErrClose)(tcps_sess_t *pSess);
/* session specific callbacks */
rsRetVal (*pOnSessAccept)(struct tcpsrv_s *, tcps_sess_t*);
rsRetVal (*OnSessConstructFinalize)(void*);
rsRetVal (*pOnSessDestruct)(void*);
} tcpsrv_t;
/* interfaces */
BEGINinterface(tcpsrv) /* name must also be changed in ENDinterface macro! */
INTERFACEObjDebugPrint(tcpsrv);
rsRetVal (*Construct)(tcpsrv_t **ppThis);
rsRetVal (*ConstructFinalize)(tcpsrv_t __attribute__((unused)) *pThis);
rsRetVal (*Destruct)(tcpsrv_t **ppThis);
void (*configureTCPListen)(tcpsrv_t*, char *cOptarg);
int (*SessAccept)(tcpsrv_t *pThis, tcps_sess_t**ppSess, int fd);
int* (*create_tcp_socket)(tcpsrv_t *pThis);
rsRetVal (*Run)(tcpsrv_t *pThis);
/* set methods */
rsRetVal (*SetUsrP)(tcpsrv_t*, void*);
rsRetVal (*SetCBIsPermittedHost)(tcpsrv_t*, int (*) (struct sockaddr *addr, char*, void*, void*));
rsRetVal (*SetCBOpenLstnSocks)(tcpsrv_t *, int* (*)(tcpsrv_t*));
rsRetVal (*SetCBRcvData)(tcpsrv_t *, int (*)(tcps_sess_t*, char*, size_t));
rsRetVal (*SetCBOnListenDeinit)(tcpsrv_t*, rsRetVal (*)(void*));
rsRetVal (*SetCBOnDestruct)(tcpsrv_t*, rsRetVal (*) (void*));
rsRetVal (*SetCBOnRegularClose)(tcpsrv_t*, rsRetVal (*) (tcps_sess_t*));
rsRetVal (*SetCBOnErrClose)(tcpsrv_t*, rsRetVal (*) (tcps_sess_t*));
/* session specifics */
rsRetVal (*SetCBOnSessAccept)(tcpsrv_t*, rsRetVal (*) (tcpsrv_t*, tcps_sess_t*));
rsRetVal (*SetCBOnSessDestruct)(tcpsrv_t*, rsRetVal (*) (void*));
rsRetVal (*SetCBOnSessConstructFinalize)(tcpsrv_t*, rsRetVal (*) (void*));
ENDinterface(tcpsrv)
#define tcpsrvCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
/* prototypes */
PROTOTYPEObj(tcpsrv);
/* the name of our library binary */
#define LM_TCPSRV_FILENAME "lmtcpsrv"
#endif /* #ifndef INCLUDED_TCPSRV_H */
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