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62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* An implementation of the nsd poll interface for plain tcp sockets.
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*
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* Copyright 2009-2016 Rainer Gerhards and Adiscon GmbH.
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*
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* This file is part of the rsyslog runtime library.
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*
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* The rsyslog runtime library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* The rsyslog runtime library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
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*/
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#ifndef INCLUDED_NSDPOLL_PTCP_H
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#define INCLUDED_NSDPOLL_PTCP_H
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#include "nsd.h"
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#ifdef HAVE_SYS_EPOLL_H
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# include <sys/epoll.h>
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#endif
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typedef nsdpoll_if_t nsdpoll_ptcp_if_t; /* we just *implement* this interface */
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/* a helper object to keep track of the epoll event records
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* Note that we need to keep track of that list because we need to
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* free the events when they are no longer needed.
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*/
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typedef struct nsdpoll_epollevt_lst_s nsdpoll_epollevt_lst_t;
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struct nsdpoll_epollevt_lst_s {
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#ifdef HAVE_SYS_EPOLL_H
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epoll_event_t event;
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#endif
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int id;
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void *pUsr;
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nsd_ptcp_t *pSock; /* our associated netstream driver data */
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nsdpoll_epollevt_lst_t *pNext;
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};
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/* the nsdpoll_ptcp object */
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struct nsdpoll_ptcp_s {
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BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
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int efd; /* file descriptor used by epoll */
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nsdpoll_epollevt_lst_t *pRoot; /* Root of the epoll event list */
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pthread_mutex_t mutEvtLst;
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};
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/* interface is defined in nsd.h, we just implement it! */
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#define nsdpoll_ptcpCURR_IF_VERSION nsdCURR_IF_VERSION
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/* prototypes */
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PROTOTYPEObj(nsdpoll_ptcp);
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#endif /* #ifndef INCLUDED_NSDPOLL_PTCP_H */
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