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/*
* log_handler.h: log management daemon handler
*
* 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/>.
*/
#pragma once
#include "internal.h"
#include "virjson.h"
#include "log_daemon_config.h"
#include "virobject.h"
#include "virrotatingfile.h"
typedef void (*virLogHandlerShutdownInhibitor)(bool inhibit,
void *opaque);
typedef struct _virLogHandlerLogFile virLogHandlerLogFile;
struct _virLogHandlerLogFile {
virRotatingFileWriter *file;
int watch;
int pipefd; /* Read from QEMU via this */
bool drained;
char *driver;
unsigned char domuuid[VIR_UUID_BUFLEN];
char *domname;
};
typedef struct _virLogHandler virLogHandler;
struct _virLogHandler {
virObjectLockable parent;
bool privileged;
virLogDaemonConfig *config;
int cleanup_log_timer;
virLogHandlerLogFile **files;
size_t nfiles;
virLogHandlerShutdownInhibitor inhibitor;
void *opaque;
};
virLogHandler *virLogHandlerNew(bool privileged,
virLogDaemonConfig *config,
virLogHandlerShutdownInhibitor inhibitor,
void *opaque);
virLogHandler *virLogHandlerNewPostExecRestart(virJSONValue *child,
bool privileged,
virLogDaemonConfig *config,
virLogHandlerShutdownInhibitor inhibitor,
void *opaque);
void virLogHandlerFree(virLogHandler *handler);
int virLogHandlerDomainOpenLogFile(virLogHandler *handler,
const char *driver,
const unsigned char *domuuid,
const char *domname,
const char *path,
bool trunc,
ino_t *inode,
off_t *offset);
int virLogHandlerDomainGetLogFilePosition(virLogHandler *handler,
const char *path,
unsigned int flags,
ino_t *inode,
off_t *offset);
char *virLogHandlerDomainReadLogFile(virLogHandler *handler,
const char *path,
ino_t inode,
off_t offset,
size_t maxlen,
unsigned int flags);
int virLogHandlerDomainAppendLogFile(virLogHandler *handler,
const char *driver,
const unsigned char *domuuid,
const char *domname,
const char *path,
const char *message,
unsigned int flags);
virJSONValue *virLogHandlerPreExecRestart(virLogHandler *handler);
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