libvirt/src/logging/log_manager.h
Daniel P. Berrange 3f68f33c36 logging: support truncation of logfiles when opening
The virtlogd daemon currently opens all files for append, but
in some cases the user may wish to discard existing data. Define
a new flag to indicate that logfiles should be truncated when
opening.
2016-03-10 15:41:52 +00:00

61 lines
2.2 KiB
C

/*
* log_manager.h: log management client
*
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __VIR_LOG_MANAGER_H__
# define __VIR_LOG_MANAGER_H__
# include "internal.h"
# include "logging/log_protocol.h"
typedef struct _virLogManager virLogManager;
typedef virLogManager *virLogManagerPtr;
virLogManagerPtr virLogManagerNew(bool privileged);
void virLogManagerFree(virLogManagerPtr mgr);
int virLogManagerDomainOpenLogFile(virLogManagerPtr mgr,
const char *driver,
const unsigned char *domuuid,
const char *domname,
const char *path,
unsigned int flags,
ino_t *inode,
off_t *offset);
int virLogManagerDomainGetLogFilePosition(virLogManagerPtr mgr,
const char *path,
unsigned int flags,
ino_t *inode,
off_t *offset);
char *virLogManagerDomainReadLogFile(virLogManagerPtr mgr,
const char *path,
ino_t inode,
off_t offset,
size_t maxlen,
unsigned int flags);
#endif /* __VIR_LOG_MANAGER_H__ */