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https://github.com/rsyslog/rsyslog.git
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47729f3b93
If the kernel time-stamps messages, time is now take from that timestamp instead of the system time when the message was read. This provides much better accuracy. Thanks to Lennart Poettering for suggesting this feature and his help during implementation.
117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
/* klog driver for solaris
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*
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* This contains OS-specific functionality to read the
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* kernel log. For a general overview, see head comment in
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* imklog.c.
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*
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* This file relies on Sun code in solaris_cddl.c. We have split
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* it from Sun's code to keep the copyright issue as simple as possible.
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*
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* This file is part of rsyslog.
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*
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* Rsyslog is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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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* If that may be required, an exception is granted to permit linking
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* this code to the code in solaris_cddl.c that is under the cddl license.
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*
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* Rsyslog 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Rsyslog. 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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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/socket.h>
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#include "rsyslog.h"
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#include "imklog.h"
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#include "srUtils.h"
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#include "unicode-helper.h"
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#include "solaris_cddl.h"
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/* globals */
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static int fklog; // TODO: remove
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#ifndef _PATH_KLOG
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# define _PATH_KLOG "/dev/log"
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#endif
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static uchar *GetPath(void)
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{
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return pszPath ? pszPath : UCHAR_CONSTANT(_PATH_KLOG);
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}
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/* open the kernel log - will be called inside the willRun() imklog
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* entry point. -- rgerhards, 2008-04-09
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*/
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rsRetVal
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klogWillRun(void)
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{
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DEFiRet;
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fklog = sun_openklog((char*) GetPath(), O_RDONLY);
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if (fklog < 0) {
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char errStr[1024];
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int err = errno;
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rs_strerror_r(err, errStr, sizeof(errStr));
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DBGPRINTF("error %s opening log socket: %s\n",
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errStr, GetPath());
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iRet = RS_RET_ERR; // TODO: better error code
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}
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RETiRet;
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}
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/* to be called in the module's AfterRun entry point
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* rgerhards, 2008-04-09
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*/
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rsRetVal klogAfterRun(void)
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{
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DEFiRet;
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if(fklog != -1)
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close(fklog);
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RETiRet;
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}
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/* to be called in the module's WillRun entry point, this is the main
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* "message pull" mechanism.
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* rgerhards, 2008-04-09
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*/
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rsRetVal klogLogKMsg(void)
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{
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DEFiRet;
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sun_sys_poll();
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RETiRet;
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}
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/* provide the (system-specific) default facility for internal messages
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* rgerhards, 2008-04-14
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*/
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int
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klogFacilIntMsg(void)
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{
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return LOG_SYSLOG;
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}
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