mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-11-28 14:44:39 +08:00
ae75ae7f41
Remove the BlueZ log scheme from hcitrace to avoid intersection with the new BlueZ dynamic debug.
153 lines
3.2 KiB
C
153 lines
3.2 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <signal.h>
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#include <sys/stat.h>
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#include <syslog.h>
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#include <glib.h>
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#ifdef HAVE_CAPNG
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#include <cap-ng.h>
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#endif
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static GMainLoop *event_loop;
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static void sig_term(int sig)
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{
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g_main_loop_quit(event_loop);
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}
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static gboolean option_detach = TRUE;
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static gboolean option_debug = FALSE;
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static GOptionEntry options[] = {
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{ "nodaemon", 'n', G_OPTION_FLAG_REVERSE,
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G_OPTION_ARG_NONE, &option_detach,
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"Don't run as daemon in background" },
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{ "debug", 'd', 0, G_OPTION_ARG_NONE, &option_debug,
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"Enable debug information output" },
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{ NULL },
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};
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static void debug(const char *format, ...)
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{
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va_list ap;
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if (!option_debug)
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return;
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va_start(ap, format);
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vsyslog(LOG_DEBUG, format, ap);
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va_end(ap);
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}
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static void sig_debug(int sig)
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{
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option_debug = !option_debug;
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}
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int main(int argc, char *argv[])
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{
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GOptionContext *context;
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GError *err = NULL;
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struct sigaction sa;
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#ifdef HAVE_CAPNG
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/* Drop capabilities */
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capng_clear(CAPNG_SELECT_BOTH);
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capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE | CAPNG_PERMITTED,
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CAP_NET_BIND_SERVICE, CAP_NET_ADMIN,
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CAP_NET_RAW, CAP_IPC_LOCK, -1);
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capng_apply(CAPNG_SELECT_BOTH);
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#endif
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context = g_option_context_new(NULL);
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g_option_context_add_main_entries(context, options, NULL);
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if (g_option_context_parse(context, &argc, &argv, &err) == FALSE) {
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if (err != NULL) {
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g_printerr("%s\n", err->message);
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g_error_free(err);
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} else
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g_printerr("An unknown error occurred\n");
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exit(1);
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}
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g_option_context_free(context);
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if (option_detach == TRUE) {
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if (daemon(0, 0)) {
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perror("Can't start daemon");
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exit(1);
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}
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}
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umask(0077);
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openlog("hcitrace", LOG_PID | LOG_NDELAY | LOG_PERROR, LOG_DAEMON);
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syslog(LOG_INFO, "HCI trace deamon %s", VERSION);
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memset(&sa, 0, sizeof(sa));
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sa.sa_flags = SA_NOCLDSTOP;
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sa.sa_handler = sig_term;
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sigaction(SIGTERM, &sa, NULL);
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sigaction(SIGINT, &sa, NULL);
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sa.sa_handler = sig_debug;
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sigaction(SIGUSR2, &sa, NULL);
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sa.sa_handler = SIG_IGN;
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sigaction(SIGPIPE, &sa, NULL);
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if (option_debug == TRUE) {
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syslog(LOG_INFO, "Enabling debug information");
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}
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event_loop = g_main_loop_new(NULL, FALSE);
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debug("Entering main loop");
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g_main_loop_run(event_loop);
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g_main_loop_unref(event_loop);
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syslog(LOG_INFO, "Exit");
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closelog();
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return 0;
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}
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