Example #1
0
/**
 * Write a printf-style formatted message to the log destination.
 * This can be stderr, syslog/eventviewer, or a logfile, as determined by
 * err_setdest().  Note that this function should not be directly
 * used, rather it should be used via the #DPRINTF macro.
 *
 * \param level Level at which to log \ref log_levels
 * \param cat the category to log \ref log_categories
 * \param fmt printf-style
 */
void err_log(int level, unsigned int cat, char *fmt, ...)
{
    va_list ap;
    char timebuf[256];
    char errbuf[4096];
    struct tm tm_now;
    time_t tt_now;
    int syslog_only = FALSE;

    if(level > 1) {
        if(level > err_debuglevel)
            return;

        if(!(cat & err_debugmask))
            return;
    } /* we'll *always* process a log level 0 or 1 */

    /* skip recursive calls to logging functions to avoid deadlocks (except for aborts) */
    util_mutex_lock(l_err_list);
    if(err_threadlist.next && __err_thread_check()) { /* skip logging */
        if(!level) {
            syslog_only = TRUE; /* syslog fatals even on recursive calls */
        } else {
            util_mutex_unlock(l_err_list);
            return;
        }
    }
    __err_thread_add();
    util_mutex_unlock(l_err_list);

    va_start(ap, fmt);
    vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
    va_end(ap);

    /* always log fatals and level 1 to syslog */
    if(level <= 1) {
        if(!err_syslog_open)
            os_opensyslog();
        err_syslog_open=1;
        //os_syslog(level,errbuf);

        if(syslog_only && !level) {
            fprintf(stderr,"Aborting\n");
            exit(-1);
        }
    }
    
    util_mutex_lock(l_err);

    if((err_logdest & LOGDEST_LOGFILE) && (err_file) && (!syslog_only)) {
        tt_now=time(NULL);
        localtime_r(&tt_now,&tm_now);
        snprintf(timebuf,sizeof(timebuf),"%04d-%02d-%02d %02d:%02d:%02d",
                 tm_now.tm_year + 1900, tm_now.tm_mon + 1, tm_now.tm_mday,
                 tm_now.tm_hour, tm_now.tm_min, tm_now.tm_sec);
        io_printf(err_file,"%s (%08x): %s",timebuf,__err_get_threadid(),errbuf);
        if(!level) io_printf(err_file,"%s: Aborting\n",timebuf);
    }

    /* always log to stderr on fatal error */
    if((err_logdest & LOGDEST_STDERR) || (!level)) {
        fprintf(stderr, "%s",errbuf);
        if(!level) fprintf(stderr,"Aborting\n");
    }

    util_mutex_unlock(l_err);

#ifndef ERR_LEAN
    if(level < 2) { /* only event level fatals and log level */
        plugin_event_dispatch(PLUGIN_EVENT_LOG, level, errbuf, (int)strlen(errbuf)+1);
    }
#endif

    util_mutex_lock(l_err_list);
    __err_thread_del();
    util_mutex_unlock(l_err_list);

    if(!level) {
        exit(EXIT_FAILURE);      /* this should go to an OS-specific exit routine */
    }
}
Example #2
0
/**
 * Kick off the daap server and wait for events.
 *
 * This starts the initial db scan, sets up the signal
 * handling, starts the webserver, then sits back and waits
 * for events, as notified by the signal handler and the
 * web interface.  These events are communicated via flags
 * in the config structure.
 *
 * \param argc count of command line arguments
 * \param argv command line argument pointers
 * \returns 0 on success, -1 otherwise
 *
 * \todo split out a ws_init and ws_start, so that the
 * web space handlers can be registered before the webserver
 * starts.
 *
 */
int main(int argc, char *argv[]) {
    int option;
    char *configfile=CONFFILE;
    WSCONFIG ws_config;
    int reload=0;
    int start_time;
    int end_time;
    int rescan_counter=0;
    int old_song_count, song_count;
    int force_non_root=0;
    int skip_initial=1;
    int kill_server=0;
    int convert_conf=0;
    char *db_type,*db_parms,*web_root,*runas, *tmp;
    char **mp3_dir_array;
    char *servername, *iface;
    char *ffid = NULL;
    int appdir = 0;
    char *perr=NULL;
    char txtrecord[255];
    void *phandle;
    char *plugindir;

    int err;
    char *apppath;

    int debuglevel=0;
    int plugins_loaded = 0;

#ifdef ALPHA_CUSTOMIZE
    char *share_path;
    pthread_t thread1;
#endif

    config.use_mdns=1;
    err_setlevel(2);

    config.foreground=0;
    while((option=getopt(argc,argv,"D:d:c:P:mfrysiuvab:Vk")) != -1) {
        switch(option) {
        case 'a':
            appdir = 1;
            break;

        case 'b':
            ffid=optarg;
            break;

        case 'd':
            debuglevel = atoi(optarg);
            err_setlevel(debuglevel);
            break;

        case 'D':
            if(err_setdebugmask(optarg)) {
                usage(argv[0]);
                exit(EXIT_FAILURE);
            }
            break;

        case 'f':
            config.foreground=1;
            err_setdest(err_getdest() | LOGDEST_STDERR);
            break;

        case 'c':
            configfile=optarg;
            break;

        case 'm':
            config.use_mdns=0;
            break;

#ifndef WIN32
        case 'P':
            os_set_pidfile(optarg);
            break;
#endif
        case 'r':
            reload=1;
            break;

        case 's':
            skip_initial=0;
            break;

        case 'y':
            force_non_root=1;
            break;

#ifdef WIN32
        case 'i':
            os_register();
            exit(EXIT_SUCCESS);
            break;

        case 'u':
            os_unregister();
            exit(EXIT_SUCCESS);
            break;
#endif
        case 'v':
            convert_conf=1;
            break;

        case 'k':
            kill_server=1;
            break;

        case 'V':
            fprintf(stderr,"Firefly Media Server: Version %s\n",VERSION);
            exit(EXIT_SUCCESS);
            break;

        default:
            usage(argv[0]);
            exit(EXIT_FAILURE);
            break;
        }
    }

    if((getuid()) && (!force_non_root) && (!convert_conf)) {
        fprintf(stderr,"You are not root.  This is almost certainly wrong.  "
                "If you are\nsure you want to do this, use the -y "
                "command-line switch\n");
        exit(EXIT_FAILURE);
    }


    if(kill_server) {
        os_signal_server(S_STOP);
        exit(0);
    }

    io_init();
    io_set_errhandler(main_io_errhandler);
    ws_set_errhandler(main_ws_errhandler);

    /* read the configfile, if specified, otherwise
     * try defaults */
    config.stats.start_time=start_time=(int)time(NULL);
    config.stop=0;

    /* set appdir first, that way config resolves relative to appdir */
    if(appdir) {
        apppath = os_apppath(argv[0]);
        DPRINTF(E_INF,L_MAIN,"Changing cwd to %s\n",apppath);
        chdir(apppath);
        free(apppath);
        configfile="mt-daapd.conf";
    }

    if(CONF_E_SUCCESS != conf_read(configfile)) {
        fprintf(stderr,"Error reading config file (%s)\n",configfile);
        exit(EXIT_FAILURE);
    }

    if(debuglevel) /* was specified, should override the config file */
        err_setlevel(debuglevel);

    if(convert_conf) {
        fprintf(stderr,"Converting config file...\n");
        if(CONF_E_SUCCESS != conf_write()) {
            fprintf(stderr,"Error writing config file.\n");
            exit(EXIT_FAILURE);
        }
        exit(EXIT_SUCCESS);
    }

    DPRINTF(E_LOG,L_MAIN,"Firefly Version %s: Starting with debuglevel %d\n",
            VERSION,err_getlevel());


    /* load plugins before we drop privs?  Maybe... let the
     * plugins do stuff they might need to */
    plugin_init();
    if((plugindir=conf_alloc_string("plugins","plugin_dir",NULL)) != NULL) {
        /* instead of specifying plugins, let's walk through the directory
         * and load each of them */
        if(!load_plugin_dir(plugindir)) {
            DPRINTF(E_LOG,L_MAIN,"Warning: Could not load plugins\n");
        } else {
            plugins_loaded = TRUE;
        }
        free(plugindir);
    }

    if(!plugins_loaded) {
        if((!load_plugin_dir("/usr/lib/firefly/plugins")) &&
           (!load_plugin_dir("/usr/lib/mt-daapd/plugins")) &&
           (!load_plugin_dir("/lib/mt-daapd/plugins")) &&
           (!load_plugin_dir("/lib/mt-daapd/plugins")) &&
           (!load_plugin_dir("/usr/local/lib/mt-daapd/plugins")) &&
           (!load_plugin_dir("/usr/local/lib/mt-daapd/plugins")) &&
           (!load_plugin_dir("/opt/share/firefly/plugins")) &&
           (!load_plugin_dir("/opt/share/mt-daapd/plugins")) &&
           (!load_plugin_dir("/opt/lib/firefly/plugins")) &&
           (!load_plugin_dir("/opt/lib/mt-daapd/plugins")) &&
           (!load_plugin_dir("plugins/.libs"))) {
            DPRINTF(E_FATAL,L_MAIN,"plugins/plugin_dir not specified\n");
        }
    }

    phandle=NULL;
    while((phandle=plugin_enum(phandle))) {
        DPRINTF(E_LOG,L_MAIN,"Plugin loaded: %s\n",plugin_get_description(phandle));
    }

    runas = conf_alloc_string("general","runas","nobody");

#ifndef WITHOUT_MDNS
    if(config.use_mdns) {
        DPRINTF(E_LOG,L_MAIN,"Starting rendezvous daemon\n");
        if(rend_init(runas)) {
            DPRINTF(E_FATAL,L_MAIN|L_REND,"Error in rend_init: %s\n",
                    strerror(errno));
        }
    }
#endif

    if(!os_init(config.foreground,runas)) {
        DPRINTF(E_LOG,L_MAIN,"Could not initialize server\n");
        os_deinit();
        exit(EXIT_FAILURE);
    }

    free(runas);

#ifdef UPNP
    upnp_init();
#endif

    /* this will require that the db be readable by the runas user */
    db_type = conf_alloc_string("general","db_type","sqlite");
    db_parms = conf_alloc_string("general","db_parms","/var/cache/mt-daapd");
    err=db_open(&perr,db_type,db_parms);

    if(err) {
        DPRINTF(E_LOG,L_MAIN|L_DB,"Error opening db: %s\n",perr);
#ifndef WITHOUT_MDNS
        if(config.use_mdns) {
            rend_stop();
        }
#endif
        os_deinit();
        exit(EXIT_FAILURE);
    }

    free(db_type);
    free(db_parms);

    /* Initialize the database before starting */
    DPRINTF(E_LOG,L_MAIN|L_DB,"Initializing database\n");
    if(db_init(reload)) {
        DPRINTF(E_FATAL,L_MAIN|L_DB,"Error in db_init: %s\n",strerror(errno));
    }

    err=db_get_song_count(&perr,&song_count);
    if(err != DB_E_SUCCESS) {
        DPRINTF(E_FATAL,L_MISC,"Error getting song count: %s\n",perr);
    }
    /* do a full reload if the db is empty */
    if(!song_count)
        reload = 1;

    if(conf_get_array("general","mp3_dir",&mp3_dir_array)) {
        if((!skip_initial) || (reload)) {
            DPRINTF(E_LOG,L_MAIN|L_SCAN,"Starting mp3 scan\n");
	#ifdef ALPHA_CUSTOMIZE
	    share_path = conf_alloc_string("general", "mp3_dir", "AAA");
		printf("mp3_dir_array[0] = [%s]\n", mp3_dir_array[0]);
	    if (strlen(share_path) > 0)
	    {
		Cnt_total_file(mp3_dir_array[0]);
		pthread_create( &thread1, NULL, (void*)process_bar, NULL);
		free(share_path);
	    }
	#endif
            plugin_event_dispatch(PLUGIN_EVENT_FULLSCAN_START,0,NULL,0);
            start_time=(int) time(NULL);
            if(scan_init(mp3_dir_array)) {
                DPRINTF(E_LOG,L_MAIN|L_SCAN,"Error scanning MP3 files: %s\n",strerror(errno));
            }
            if(!config.stop) { /* don't send popup when shutting down */
                plugin_event_dispatch(PLUGIN_EVENT_FULLSCAN_END,0,NULL,0);
                err=db_get_song_count(&perr,&song_count);
                end_time=(int) time(NULL);
                DPRINTF(E_LOG,L_MAIN|L_SCAN,"Scanned %d songs in %d seconds\n",
                        song_count,end_time - start_time);
            }
        }
        conf_dispose_array(mp3_dir_array);
    }
    
#ifdef ALPHA_CUSTOMIZE
    thread_exit = 1;
#endif

    /* start up the web server */
    web_root = conf_alloc_string("general","web_root",NULL);
    ws_config.web_root=web_root;
    ws_config.port=conf_get_int("general","port",0);

    DPRINTF(E_LOG,L_MAIN|L_WS,"Starting web server from %s on port %d\n",
            ws_config.web_root, ws_config.port);

    config.server=ws_init(&ws_config);
    if(!config.server) {
        /* pthreads or malloc error */
        DPRINTF(E_FATAL,L_MAIN|L_WS,"Error initializing web server\n");
    }

    if(E_WS_SUCCESS != ws_start(config.server)) {
        /* listen or pthread error */
        DPRINTF(E_FATAL,L_MAIN|L_WS,"Error starting web server\n");
    }

    ws_registerhandler(config.server, "/",main_handler,main_auth,
                       0,1);

#ifndef WITHOUT_MDNS
    if(config.use_mdns) { /* register services */
        servername = conf_get_servername();

        memset(txtrecord,0,sizeof(txtrecord));
        txt_add(txtrecord,"txtvers=1");
        txt_add(txtrecord,"Database ID=%0X",util_djb_hash_str(servername));
        txt_add(txtrecord,"Machine ID=%0X",util_djb_hash_str(servername));
        txt_add(txtrecord,"Machine Name=%s",servername);
        txt_add(txtrecord,"mtd-version=" VERSION);
        txt_add(txtrecord,"iTSh Version=131073"); /* iTunes 6.0.4 */
        txt_add(txtrecord,"Version=196610");      /* iTunes 6.0.4 */
        tmp = conf_alloc_string("general","password",NULL);
        if(tmp && (strlen(tmp)==0)) tmp=NULL;

        txt_add(txtrecord,"Password=%s",tmp ? "true" : "false");
        if(tmp) free(tmp);

        srand((unsigned int)time(NULL));

        if(ffid) {
            txt_add(txtrecord,"ffid=%s",ffid);
        } else {
            txt_add(txtrecord,"ffid=%08x",rand());
        }

        DPRINTF(E_LOG,L_MAIN|L_REND,"Registering rendezvous names\n");
        iface = conf_alloc_string("general","interface","");

        rend_register(servername,"_http._tcp",ws_config.port,iface,txtrecord);

        plugin_rend_register(servername,ws_config.port,iface,txtrecord);

        free(servername);
        free(iface);
    }
#endif

    end_time=(int) time(NULL);

    err=db_get_song_count(&perr,&song_count);
    if(err != DB_E_SUCCESS) {
        DPRINTF(E_FATAL,L_MISC,"Error getting song count: %s\n",perr);
    }

    DPRINTF(E_LOG,L_MAIN,"Serving %d songs.  Startup complete in %d seconds\n",
            song_count,end_time-start_time);

    if(conf_get_int("general","rescan_interval",0) && (!reload) &&
       (!conf_get_int("scanning","skip_first",0)))
        config.reload = 1; /* force a reload on start */

    while(!config.stop) {
        if((conf_get_int("general","rescan_interval",0) &&
            (rescan_counter > conf_get_int("general","rescan_interval",0)))) {
            if((conf_get_int("general","always_scan",0)) ||
                (config_get_session_count())) {
                config.reload=1;
            } else {
                DPRINTF(E_DBG,L_MAIN|L_SCAN|L_DB,"Skipped bground scan... no users\n");
            }
            rescan_counter=0;
        }

        if(config.reload) {
            old_song_count = song_count;
            start_time=(int) time(NULL);

            DPRINTF(E_LOG,L_MAIN|L_DB|L_SCAN,"Rescanning database\n");

            if(conf_get_array("general","mp3_dir",&mp3_dir_array)) {
                if(config.full_reload) {
                    config.full_reload=0;
                    db_force_rescan(NULL);
                }

                if(scan_init(mp3_dir_array)) {
                    DPRINTF(E_LOG,L_MAIN|L_DB|L_SCAN,"Error rescanning... bad path?\n");
                }

                conf_dispose_array(mp3_dir_array);
            }
            config.reload=0;
            db_get_song_count(NULL,&song_count);
            DPRINTF(E_LOG,L_MAIN|L_DB|L_SCAN,"Scanned %d songs (was %d) in "
                    "%d seconds\n",song_count,old_song_count,
                    time(NULL)-start_time);
        }

        os_wait(MAIN_SLEEP_INTERVAL);
        rescan_counter += MAIN_SLEEP_INTERVAL;
    }

    DPRINTF(E_LOG,L_MAIN,"Stopping gracefully\n");

#ifndef WITHOUT_MDNS
    if(config.use_mdns) {
        DPRINTF(E_LOG,L_MAIN|L_REND,"Stopping rendezvous daemon\n");
        rend_stop();
    }
#endif

#ifdef UPNP
    upnp_deinit();
#endif


    /* Got to find a cleaner way to stop the web server.
     * Closing the fd of the socking accepting doesn't necessarily
     * cause the accept to fail on some libcs.
     *
    DPRINTF(E_LOG,L_MAIN|L_WS,"Stopping web server\n");
    ws_stop(config.server);
    */
    free(web_root);
    conf_close();

    DPRINTF(E_LOG,L_MAIN|L_DB,"Closing database\n");
    db_deinit();

    DPRINTF(E_LOG,L_MAIN,"Done!\n");

    os_deinit();
    io_deinit();
    mem_dump();
    return EXIT_SUCCESS;
}