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/*
* dLeyna
*
* Copyright (C) 2012-2015 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Ludovic Ferrandis <ludovic.ferrandis@intel.com>
*
*/
#define _GNU_SOURCE
#include <stdarg.h>
#include <string.h>
#include "log.h"
typedef struct dleyna_log_t_ dleyna_log_t;
struct dleyna_log_t_ {
int old_mask;
int mask;
dleyna_log_type_t log_type;
GLogLevelFlags flags;
GLogFunc old_handler;
gchar *log_domain;
};
static dleyna_log_t s_log_context;
static void prv_get_mf(int log_level, int *mask, GLogLevelFlags *flags)
{
*mask = 0;
*flags = 0;
if (log_level & DLEYNA_LOG_LEVEL_ERROR) {
*mask |= LOG_MASK(LOG_ERR);
*flags |= G_LOG_LEVEL_ERROR;
}
if (log_level & DLEYNA_LOG_LEVEL_CRITICAL) {
*mask |= LOG_MASK(LOG_CRIT);
*flags |= G_LOG_LEVEL_CRITICAL;
}
if (log_level & DLEYNA_LOG_LEVEL_WARNING) {
*mask |= LOG_MASK(LOG_WARNING);
*flags |= G_LOG_LEVEL_WARNING;
}
if (log_level & DLEYNA_LOG_LEVEL_MESSAGE) {
*mask |= LOG_MASK(LOG_NOTICE);
*flags |= G_LOG_LEVEL_MESSAGE;
}
if (log_level & DLEYNA_LOG_LEVEL_INFO) {
*mask |= LOG_MASK(LOG_INFO);
*flags |= G_LOG_LEVEL_INFO;
}
if (log_level & DLEYNA_LOG_LEVEL_DEBUG) {
*mask |= LOG_MASK(LOG_DEBUG);
*flags |= G_LOG_LEVEL_DEBUG;
}
if (*flags)
*flags |= G_LOG_FLAG_RECURSION | G_LOG_FLAG_FATAL;
}
static void prv_set_flags_from_param(void)
{
int mask;
GLogLevelFlags flags;
prv_get_mf(DLEYNA_LOG_LEVEL, &mask, &flags);
s_log_context.mask = mask;
s_log_context.flags = flags;
s_log_context.log_type = DLEYNA_LOG_TYPE;
}
static void prv_handler(const gchar *log_domain,
GLogLevelFlags log_level,
const gchar *message,
gpointer data)
{
dleyna_log_t *log_context = (dleyna_log_t *)(data);
if (g_strcmp0(log_domain, s_log_context.log_domain))
return;
if (log_context->flags & log_level)
g_log_default_handler(log_domain, log_level, message, data);
}
void dleyna_log_update_type_level(dleyna_log_type_t log_type, int log_level)
{
int mask;
int compile_mask;
GLogLevelFlags flags;
GLogLevelFlags compile_flags;
s_log_context.log_type = log_type;
prv_get_mf(log_level, &mask, &flags);
prv_get_mf(DLEYNA_LOG_LEVEL, &compile_mask, &compile_flags);
/* log level read from conf file is a subset of log level
* set at compile time.
* Only keep subset flags from compile flags */
mask &= compile_mask;
flags &= compile_flags;
s_log_context.mask = mask;
s_log_context.flags = flags;
DLEYNA_LOG_INFO("Type[%d] Level[0x%02X] Mask[0x%02X] Flags[0x%02X]",
log_type, log_level, mask, flags);
(void) setlogmask(mask);
}
void dleyna_log_init(const char *program, const char *version)
{
int option = LOG_NDELAY | LOG_PID;
int old;
#ifdef DLEYNA_DEBUG_ENABLED
option |= LOG_PERROR | LOG_CONS;
#endif
memset(&s_log_context, 0, sizeof(s_log_context));
s_log_context.log_domain = g_strdup(program);
prv_set_flags_from_param();
openlog(basename(program), option, LOG_DAEMON);
old = setlogmask(LOG_MASK(LOG_INFO));
syslog(LOG_INFO, "dLeyna core version %s", VERSION);
syslog(LOG_INFO, "%s version %s", program, version);
(void) setlogmask(s_log_context.mask);
s_log_context.old_mask = old;
s_log_context.old_handler = g_log_set_default_handler(
prv_handler,
&s_log_context);
#if DLEYNA_LOG_LEVEL & DLEYNA_LOG_LEVEL_INFO
if (s_log_context.log_type != DLEYNA_LOG_TYPE_SYSLOG) {
DLEYNA_LOG_INFO("dLeyna core version %s", VERSION);
DLEYNA_LOG_INFO("%s version %s", program, version);
}
#endif
}
void dleyna_log_finalize(void)
{
(void) setlogmask(LOG_MASK(LOG_INFO));
syslog(LOG_INFO, "dLeyna: Exit");
#if DLEYNA_LOG_LEVEL & DLEYNA_LOG_LEVEL_INFO
if (s_log_context.log_type != DLEYNA_LOG_TYPE_SYSLOG)
DLEYNA_LOG_INFO("dLeyna: Exit");
#endif
(void) g_log_set_default_handler(s_log_context.old_handler, NULL);
(void) setlogmask(s_log_context.old_mask);
closelog();
g_free(s_log_context.log_domain);
memset(&s_log_context, 0, sizeof(s_log_context));
}
void dleyna_log_trace(int priority, GLogLevelFlags flags,
const char *format, ...)
{
va_list args;
va_start(args, format);
switch (s_log_context.log_type) {
case DLEYNA_LOG_TYPE_SYSLOG:
if (s_log_context.mask)
vsyslog(priority, format, args);
break;
case DLEYNA_LOG_TYPE_GLIB:
if (s_log_context.flags)
g_logv(s_log_context.log_domain, flags, format, args);
break;
case DLEYNA_LOG_TYPE_FILE:
break;
default:
break;
}
va_end(args);
}
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