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/*
*
* oFono - Open Source Telephony
*
* Copyright (C) 2008-2010 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#define _GNU_SOURCE
#include <stdarg.h>
#include <syslog.h>
#include <stdlib.h>
#include <execinfo.h>
#include <dlfcn.h>
#include "ofono.h"
/**
* ofono_info:
* @format: format string
* @Varargs: list of arguments
*
* Output general information
*/
void ofono_info(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vsyslog(LOG_INFO, format, ap);
va_end(ap);
}
/**
* ofono_warn:
* @format: format string
* @Varargs: list of arguments
*
* Output warning messages
*/
void ofono_warn(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vsyslog(LOG_WARNING, format, ap);
va_end(ap);
}
/**
* ofono_error:
* @format: format string
* @varargs: list of arguments
*
* Output error messages
*/
void ofono_error(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vsyslog(LOG_ERR, format, ap);
va_end(ap);
}
/**
* ofono_debug:
* @format: format string
* @varargs: list of arguments
*
* Output debug message
*
* The actual output of the debug message is controlled via a command line
* switch. If not enabled, these messages will be ignored.
*/
void ofono_debug(const char *format, ...)
{
va_list ap;
va_start(ap, format);
vsyslog(LOG_DEBUG, format, ap);
va_end(ap);
}
static void signal_handler(int signo)
{
void *frames[64];
char **symbols;
size_t n_ptrs;
unsigned int i;
n_ptrs = backtrace(frames, G_N_ELEMENTS(frames));
symbols = backtrace_symbols(frames, n_ptrs);
if (symbols == NULL) {
ofono_error("No backtrace symbols");
exit(1);
}
ofono_error("Aborting (signal %d)", signo);
ofono_error("++++++++ backtrace ++++++++");
for (i = 1; i < n_ptrs; i++)
ofono_error("[%d]: %s", i - 1, symbols[i]);
ofono_error("+++++++++++++++++++++++++++");
g_free(symbols);
exit(1);
}
static void signal_setup(sighandler_t handler)
{
struct sigaction sa;
sigset_t mask;
sigemptyset(&mask);
sa.sa_handler = handler;
sa.sa_mask = mask;
sa.sa_flags = 0;
sigaction(SIGBUS, &sa, NULL);
sigaction(SIGILL, &sa, NULL);
sigaction(SIGFPE, &sa, NULL);
sigaction(SIGSEGV, &sa, NULL);
sigaction(SIGABRT, &sa, NULL);
sigaction(SIGPIPE, &sa, NULL);
}
extern struct ofono_debug_desc __start___debug[];
extern struct ofono_debug_desc __stop___debug[];
static gchar **enabled = NULL;
static ofono_bool_t is_enabled(struct ofono_debug_desc *desc)
{
int i;
if (enabled == NULL)
return FALSE;
for (i = 0; enabled[i] != NULL; i++) {
if (desc->name != NULL && g_pattern_match_simple(enabled[i],
desc->name) == TRUE)
return TRUE;
if (desc->file != NULL && g_pattern_match_simple(enabled[i],
desc->file) == TRUE)
return TRUE;
}
return FALSE;
}
int __ofono_log_init(const char *debug, ofono_bool_t detach)
{
int option = LOG_NDELAY | LOG_PID;
struct ofono_debug_desc *desc;
const char *name = NULL, *file = NULL;
if (debug != NULL)
enabled = g_strsplit_set(debug, ":, ", 0);
for (desc = __start___debug; desc < __stop___debug; desc++) {
if (file != NULL || name != NULL) {
if (g_strcmp0(desc->file, file) == 0) {
if (desc->name == NULL)
desc->name = name;
} else
file = NULL;
}
if (is_enabled(desc) == TRUE)
desc->flags |= OFONO_DEBUG_FLAG_PRINT;
}
if (detach == FALSE)
option |= LOG_PERROR;
signal_setup(signal_handler);
openlog("ofonod", option, LOG_DAEMON);
syslog(LOG_INFO, "oFono version %s", VERSION);
return 0;
}
void __ofono_log_cleanup(void)
{
syslog(LOG_INFO, "Exit");
closelog();
signal_setup(SIG_DFL);
g_strfreev(enabled);
}
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