mirror_corosync/qdevices/qdevice-log.c
Jan Friesse ea7611a9dd qdevice: Add support for daemonize
Also local unix socket is now created. In future this is going to be
used for qdevice-tool, for now it's used only for handling SIGINT and
SIGTERM.

Signed-off-by: Jan Friesse <jfriesse@redhat.com>
2016-06-28 13:58:40 +02:00

324 lines
9.7 KiB
C

/*
* Copyright (c) 2015-2016 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Jan Friesse (jfriesse@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the Red Hat, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "qdevice-log.h"
#include "qdevice-config.h"
#include "utils.h"
static int qdevice_log_global_force_debug;
struct qdevice_log_syslog_names {
const char *prio_name;
int priority;
};
static struct qdevice_log_syslog_names qdevice_log_priority_names[] = {
{ "alert", LOG_ALERT },
{ "crit", LOG_CRIT },
{ "debug", LOG_DEBUG },
{ "emerg", LOG_EMERG },
{ "err", LOG_ERR },
{ "error", LOG_ERR },
{ "info", LOG_INFO },
{ "notice", LOG_NOTICE },
{ "warning", LOG_WARNING },
{ NULL, -1 }};
static int
qdevice_log_priority_str_to_int(const char *priority_str)
{
unsigned int i;
for (i = 0; qdevice_log_priority_names[i].prio_name != NULL; i++) {
if (strcasecmp(priority_str, qdevice_log_priority_names[i].prio_name) == 0) {
return (qdevice_log_priority_names[i].priority);
}
}
return (-1);
}
void
qdevice_log_configure(struct qdevice_instance *instance)
{
int to_stderr;
int to_syslog;
int syslog_facility;
int syslog_priority;
int logfile_priority;
int debug;
char *str;
int i;
int fileline;
int timestamp;
int function_name;
char log_format_syslog[64];
char log_format_stderr[64];
to_stderr = QDEVICE_LOG_DEFAULT_TO_STDERR;
if (cmap_get_string(instance->cmap_handle, "logging.to_stderr", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING, "logging.to_stderr value is not valid");
} else {
to_stderr = i;
}
free(str);
}
if (cmap_get_string(instance->cmap_handle,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_stderr", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_stderr value is not valid.");
} else {
to_stderr = i;
}
free(str);
}
to_syslog = QDEVICE_LOG_DEFAULT_TO_SYSLOG;
if (cmap_get_string(instance->cmap_handle, "logging.to_syslog", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING, "logging.to_syslog value is not valid");
} else {
to_syslog = i;
}
free(str);
}
if (cmap_get_string(instance->cmap_handle,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_syslog", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".to_syslog value is not valid.");
} else {
to_syslog = i;
}
free(str);
}
syslog_facility = QDEVICE_LOG_DEFAULT_SYSLOG_FACILITY;
if (cmap_get_string(instance->cmap_handle, "logging.syslog_facility", &str) == CS_OK) {
if ((i = qb_log_facility2int(str)) < 0) {
qdevice_log(LOG_WARNING, "logging.syslog_facility value is not valid");
} else {
syslog_facility = i;
}
free(str);
}
if (cmap_get_string(instance->cmap_handle,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_facility", &str) == CS_OK) {
if ((i = qb_log_facility2int(str)) < 0) {
qdevice_log(LOG_WARNING,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_facility value is not valid.");
} else {
syslog_facility = i;
}
free(str);
}
syslog_priority = QDEVICE_LOG_DEFAULT_SYSLOG_PRIORITY;
if (cmap_get_string(instance->cmap_handle, "logging.syslog_priority", &str) == CS_OK) {
if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
qdevice_log(LOG_WARNING, "logging.syslog_priority value is not valid");
} else {
syslog_priority = i;
}
free(str);
}
if (cmap_get_string(instance->cmap_handle,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_priority", &str) == CS_OK) {
if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
qdevice_log(LOG_WARNING,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".syslog_priority value is not valid.");
} else {
syslog_priority = i;
}
free(str);
}
logfile_priority = QDEVICE_LOG_DEFAULT_SYSLOG_PRIORITY;
if (cmap_get_string(instance->cmap_handle, "logging.logfile_priority", &str) == CS_OK) {
if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
qdevice_log(LOG_WARNING, "logging.logfile_priority value is not valid");
} else {
logfile_priority = i;
}
free(str);
}
if (cmap_get_string(instance->cmap_handle,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".logfile_priority", &str) == CS_OK) {
if ((i = qdevice_log_priority_str_to_int(str)) < 0) {
qdevice_log(LOG_WARNING,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".logfile_priority value is not valid.");
} else {
logfile_priority = i;
}
free(str);
}
debug = QDEVICE_LOG_DEFAULT_DEBUG;
if (cmap_get_string(instance->cmap_handle, "logging.debug", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
if (strcasecmp(str, "trace") == 0) {
debug = 1;
} else {
qdevice_log(LOG_WARNING, "logging.debug value is not valid");
}
} else {
debug = i;
}
free(str);
}
if (cmap_get_string(instance->cmap_handle,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".debug", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
if (strcasecmp(str, "trace") == 0) {
debug = 1;
} else {
qdevice_log(LOG_WARNING,
"logging.logger_subsys." QDEVICE_LOG_SUBSYS ".debug value is not valid.");
}
} else {
debug = i;
}
free(str);
}
fileline = QDEVICE_LOG_DEFAULT_FILELINE;
if (cmap_get_string(instance->cmap_handle, "logging.fileline", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING, "logging.fileline value is not valid");
} else {
fileline = i;
}
free(str);
}
timestamp = QDEVICE_LOG_DEFAULT_TIMESTAMP;
if (cmap_get_string(instance->cmap_handle, "logging.timestamp", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING, "logging.timestamp value is not valid");
} else {
timestamp = i;
}
free(str);
}
function_name = QDEVICE_LOG_DEFAULT_FUNCTION_NAME;
if (cmap_get_string(instance->cmap_handle, "logging.function_name", &str) == CS_OK) {
if ((i = utils_parse_bool_str(str)) == -1) {
qdevice_log(LOG_WARNING, "logging.function_name value is not valid");
} else {
function_name = i;
}
free(str);
}
strcpy(log_format_syslog, "");
if (fileline) {
strcat(log_format_syslog, "%f:");
if (function_name) {
strcat(log_format_syslog, "%n:");
}
strcat(log_format_syslog, "%l ");
}
strcat(log_format_syslog, "%b");
strcpy(log_format_stderr, "");
if (timestamp) {
strcpy(log_format_stderr, "%t %7p ");
}
strcat(log_format_stderr, log_format_syslog);
if (qdevice_log_global_force_debug) {
debug = 1;
}
/*
* Finally reconfigure log system
*/
qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_ENABLED, to_stderr);
qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, to_syslog);
qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_FACILITY, syslog_facility);
qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_CLEAR_ALL, QB_LOG_FILTER_FILE, "*", LOG_TRACE);
qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*",
(debug ? LOG_DEBUG : syslog_priority));
qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_CLEAR_ALL, QB_LOG_FILTER_FILE, "*", LOG_TRACE);
qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*",
(debug ? LOG_DEBUG : logfile_priority));
qb_log_format_set(QB_LOG_STDERR, log_format_stderr);
qb_log_format_set(QB_LOG_SYSLOG, log_format_syslog);
}
void
qdevice_log_init(struct qdevice_instance *instance, int force_debug)
{
qdevice_log_global_force_debug = force_debug;
qb_log_init(QDEVICE_PROGRAM_NAME, QDEVICE_LOG_DEFAULT_SYSLOG_FACILITY,
QDEVICE_LOG_DEFAULT_SYSLOG_PRIORITY);
qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);
qb_log_ctl(QB_LOG_STDOUT, QB_LOG_CONF_ENABLED, QB_FALSE);
qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_ENABLED, QB_FALSE);
qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_ENABLED, QB_TRUE);
qb_log_filter_ctl(QB_LOG_STDERR, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*", LOG_INFO);
qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE, "*", LOG_INFO);
qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_PRIORITY_BUMP, LOG_INFO - LOG_DEBUG);
qb_log_format_set(QB_LOG_STDERR, "%t %7p %b");
qdevice_log_configure(instance);
}
void
qdevice_log_close(struct qdevice_instance *instance)
{
qb_log_fini();
}