src/main.c

   1 /*
   2  * telephony-daemon
   3  *
   4  * Copyright (c) 2013 Samsung Electronics Co. Ltd. All rights reserved.
   5  *
   6  * Contact: Ja-young Gu <jygu@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20
  21 #ifdef TIZEN_DEBUG_ENABLE
  22 #include "monitor.h"
  23 #endif
  24
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <string.h>
  28 #include <signal.h>
  29 #include <dlfcn.h>
  30 #include <getopt.h>
  31 #include <sys/stat.h>
  32 #include <sys/sysinfo.h>
  33
  34 #include <glib.h>
  35 #include <dlog.h>
  36 #include <vconf.h>
  37
  38 #include <tcore.h>
  39 #include <plugin.h>
  40 #include <server.h>
  41
  42 #ifndef DAEMON_VERSION
  43 #define DAEMON_VERSION "unknown"
  44 #endif
  45
  46 #ifndef DEFAULT_PLUGINS_PATH
  47 #define DEFAULT_PLUGINS_PATH "/usr/lib/telephony/plugins/"
  48 #endif
  49
  50 #define NOTUSED(var) (var = var)
  51 #define BUFFER_SIZE 1024
  52
  53 static Server *_server = NULL;
  54
  55 static void __usage_info(const char *exec)
  56 {
  57         info("Usage: %s [OPTION]... [PLUGIN_PATH]\n", exec);
  58         info("\n");
  59         info("  -T, --testload\t run with plugin load test mode and exit\n");
  60         info("  -h, --help\t\t display this help and exit\n");
  61         info("\n");
  62 }
  63
  64 void tcore_log(enum tcore_log_type type, enum tcore_log_priority priority, const char *tag, const char *fmt, ...)
  65 {
  66         va_list ap;
  67         char buf[BUFFER_SIZE];
  68         int log_id = LOG_ID_RADIO;
  69 #ifdef TIZEN_PROFILE_TV
  70         log_id = LOG_ID_MAIN;
  71         /* Increase log priority for debugging in TV profile */
  72         priority = ((priority == TCORE_LOG_DEBUG) ? TCORE_LOG_INFO : priority);
  73 #endif
  74
  75         switch (type) {
  76         case TCORE_LOG_TYPE_RADIO: {
  77                 if (priority >= TCORE_LOG_INFO) {
  78                         va_start(ap, fmt);
  79                         vsnprintf(buf, BUFFER_SIZE-1, fmt, ap);
  80                         va_end(ap);
  81                         __dlog_print(log_id, priority, tag, "%s", buf);
  82                 } else {
  83                 #ifdef TIZEN_DEBUG_ENABLE
  84                         va_start(ap, fmt);
  85                         vsnprintf(buf, BUFFER_SIZE-1, fmt, ap);
  86                         va_end(ap);
  87                         __dlog_print(log_id, priority, tag, "%s", buf);
  88                 #endif
  89                 }
  90         } break;
  91
  92         case TCORE_LOG_TYPE_TIME_CHECK: {
  93         #ifdef TIZEN_DEBUG_ENABLE /* User Mode should not log performance data */
  94                 float a = 0.00, b = 0.00;
  95                 int next = 0;
  96                 FILE *fp = fopen("/proc/uptime", "r");
  97                 if (NULL == fp) {
  98                         err("fopen() failed");
  99                         return;
 100                 }
 101                 if (fscanf(fp, "%f %f", &a, &b) != 1)
 102                         next = snprintf(buf, BUFFER_SIZE, "[UPTIME] [Not Set] ");
 103                 else
 104                         next = snprintf(buf, BUFFER_SIZE, "[UPTIME] %f ", a);
 105                 fclose(fp);
 106                 if (next < 0)
 107                         return;
 108
 109                 va_start(ap, fmt);
 110                 vsnprintf(buf + next, (BUFFER_SIZE-1) - next, fmt, ap);
 111                 va_end(ap);
 112                 __dlog_print(log_id, priority, tag, "%s", buf);
 113         #endif
 114         } break;
 115
 116         default:
 117         break;
 118         }
 119 }
 120
 121 static void glib_log(const gchar *log_domain, GLogLevelFlags log_level,
 122                 const gchar *msg, gpointer user_data)
 123 {
 124         NOTUSED(log_domain);
 125         NOTUSED(log_level);
 126         NOTUSED(user_data);
 127
 128         __dlog_print(LOG_ID_RADIO, DLOG_ERROR, "GLIB", "%s", msg);
 129 }
 130
 131 #ifdef TIZEN_DEBUG_ENABLE
 132 static void telephony_signal_handler(int signo)
 133 {
 134         if (!_server)
 135                 return;
 136
 137         switch (signo) {
 138         case SIGUSR1: {
 139                 monitor_server_state(_server);
 140         } break;
 141
 142         case SIGTERM: {
 143                 /* temporarily blocked for avoding crash happend on emulator TCT testing */
 144                 //tcore_server_exit(_server);
 145                 warn("*~*~*~* Ignore Signal: [SIGTERM] *~*~*~*");
 146         } break;
 147
 148 #if defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 149         case SIGHUP: {
 150                 warn("*~*~*~* Ignore Signal: [SIGHUP] *~*~*~*");
 151         } break;
 152 #endif
 153
 154         default: {
 155                 warn("*~*~*~* Unhandled Signal: [%d] *~*~*~*", signo);
 156         } break;
 157         } /* end switch */
 158
 159         return;
 160 }
 161 #elif defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 162 static void telephony_signal_handler(int signo)
 163 {
 164         if (!_server)
 165                 return;
 166
 167         switch (signo) {
 168         case SIGHUP: {
 169                 warn("*~*~*~* Ignore Signal: [SIGHUP] *~*~*~*");
 170         } break;
 171
 172         default: {
 173                 warn("*~*~*~* Unhandled Signal: [%d] *~*~*~*", signo);
 174         } break;
 175         } /* end switch */
 176
 177         return;
 178 }
 179 #endif
 180
 181 static void __log_uptime()
 182 {
 183         float a = 0.00, b = 0.00;
 184         FILE *fp = fopen("/proc/uptime", "r");
 185
 186         if (NULL == fp) {
 187                 err("fopen() failed");
 188                 return;
 189         }
 190         info("scanned %d items", fscanf(fp, "%f %f", &a, &b));
 191         info("proc uptime = %f idletime = %f\n", a, b);
 192         fclose(fp);
 193 }
 194
 195 static gboolean __init_plugin(TcorePlugin *plugin)
 196 {
 197         const struct tcore_plugin_define_desc *desc = tcore_plugin_get_description(plugin);
 198
 199         if (!desc || !desc->init)
 200                 return FALSE;
 201
 202         if (!desc->init(plugin)) { /* TODO: Remove plugin from server */
 203                 char *plugin_name = tcore_plugin_get_filename(plugin);
 204                 if (NULL != plugin_name) {
 205                         err("plugin(%s) init failed.", plugin_name);
 206                         free(plugin_name);
 207                 }
 208                 return FALSE;
 209         }
 210
 211         return TRUE;
 212 }
 213
 214 static gboolean init_plugins(Server *s)
 215 {
 216         GSList *list = tcore_server_ref_plugins(s);
 217
 218         while (list != NULL) {
 219                 if (G_UNLIKELY(FALSE == __init_plugin(list->data))) {
 220                         list = g_slist_next(list);
 221                         continue;
 222                 }
 223                 list = g_slist_next(list);
 224         }
 225
 226         return TRUE;
 227 }
 228
 229 static void *__load_plugin(const gchar *filename, struct tcore_plugin_define_desc **desc_out)
 230 {
 231         void *handle = NULL;
 232         struct tcore_plugin_define_desc *desc = NULL;
 233         struct stat stat_buf;
 234         char file_date[27];
 235
 236         handle = dlopen(filename, RTLD_LAZY);
 237         if (NULL == handle) {
 238                 err("dlopen() failed:[%s]", filename);
 239                 return NULL;
 240         }
 241
 242         desc = dlsym(handle, "plugin_define_desc");
 243         if (NULL == desc) {
 244                 err("dlsym() failed:[%s]", "plugin_define_desc");
 245                 dlclose(handle);
 246                 return NULL;
 247         }
 248
 249         dbg("%s plugin", desc->name);
 250         dbg(" - path = %s", filename);
 251         dbg(" - version = %d", desc->version);
 252         dbg(" - priority = %d", desc->priority);
 253
 254         memset(&stat_buf, 0x00, sizeof(stat_buf));
 255         memset(&file_date, '\0', sizeof(file_date));
 256
 257         if (0 == stat(filename, &stat_buf)) {
 258                 if (NULL != ctime_r(&stat_buf.st_mtime, file_date)) {
 259                         if (1 < strlen(file_date))
 260                                 file_date[strlen(file_date)-1] = '\0';
 261                         dbg(" - date = %s", file_date);
 262                 }
 263         }
 264
 265         if (G_LIKELY(desc->load)) {
 266                 if (G_UNLIKELY(FALSE == desc->load())) {
 267                         warn("false return from load(). skip this plugin");
 268                         dlclose(handle);
 269                         return NULL;
 270                 }
 271         }
 272
 273         if (NULL != desc_out)
 274                 *desc_out = desc;
 275
 276         return handle;
 277 }
 278
 279 static gboolean load_plugins(Server *s, const char *path, gboolean flag_test_load)
 280 {
 281         const gchar *file = NULL;
 282         gchar *filename = NULL;
 283         GDir *dir = NULL;
 284         void *handle = NULL;
 285         struct tcore_plugin_define_desc *desc = NULL;
 286
 287         if (!path || !s)
 288                 return FALSE;
 289
 290         dir = g_dir_open(path, 0, NULL);
 291         if (!dir)
 292                 return FALSE;
 293
 294         while ((file = g_dir_read_name(dir)) != NULL) {
 295                 if (g_str_has_prefix(file, "lib") == TRUE
 296                         || g_str_has_suffix(file, ".so") == FALSE)
 297                         continue;
 298
 299                 filename = g_build_filename(path, file, NULL);
 300
 301                 /* Load a plugin */
 302                 handle = __load_plugin(filename, &desc);
 303                 if (NULL == handle) {
 304                         g_free(filename);
 305                         continue;
 306                 }
 307
 308                 /* Don't add to server if flag_test_load */
 309                 if (flag_test_load) {
 310                         dbg("success to load '%s'", filename);
 311                         dlclose(handle);
 312                         g_free(filename);
 313                         continue;
 314                 }
 315
 316                 tcore_server_add_plugin(s, tcore_plugin_new(s, desc, filename, handle));
 317
 318                 dbg("%s added", desc->name);
 319                 g_free(filename);
 320         }
 321         g_dir_close(dir);
 322
 323         return TRUE;
 324 }
 325
 326 int main(int argc, char *argv[])
 327 {
 328 #if defined(TIZEN_DEBUG_ENABLE) || defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 329         struct sigaction sigact;
 330 #endif
 331         Server *s = NULL;
 332         gboolean flag_test_load = FALSE;
 333         int opt = 0, opt_index = 0, ret_code = EXIT_SUCCESS;
 334         int daemon_load_count = 0;
 335         struct option options[] = {
 336                 { "help", 0, 0, 0 },
 337                 { "testload", 0, &flag_test_load, 1 },
 338                 { 0, 0, 0, 0 }
 339         };
 340         const char *plugin_path = DEFAULT_PLUGINS_PATH;
 341         char *tcore_ver = NULL;
 342         struct sysinfo sys_info;
 343
 344         TIME_CHECK("Starting Telephony");
 345
 346         /* System Uptime */
 347         if (0 == sysinfo(&sys_info))
 348                 info("uptime: %ld secs", sys_info.uptime);
 349         __log_uptime();
 350
 351         /* Version Info */
 352         tcore_ver = tcore_util_get_version();
 353         info("daemon version: [%s] libtcore version: [%s] glib version: [%u.%u.%u]",
 354                 DAEMON_VERSION, tcore_ver, glib_major_version, glib_minor_version, glib_micro_version);
 355         free(tcore_ver);
 356         info("glib version: %u.%u.%u", glib_major_version, glib_minor_version, glib_micro_version);
 357
 358         /* Telephony reset handling*/
 359         vconf_get_int(VCONFKEY_TELEPHONY_DAEMON_LOAD_COUNT, &daemon_load_count);
 360         daemon_load_count++;
 361         vconf_set_int(VCONFKEY_TELEPHONY_DAEMON_LOAD_COUNT, daemon_load_count);
 362         info("daemon load count = [%d]", daemon_load_count);
 363
 364 #ifdef TIZEN_DEBUG_ENABLE
 365         /* Signal Registration */
 366         sigact.sa_handler = telephony_signal_handler;
 367         sigemptyset(&sigact.sa_mask);
 368         sigact.sa_flags = 0;
 369         if (sigaction(SIGTERM, &sigact, NULL) < 0)
 370                 warn("sigaction(SIGTERM) failed.");
 371         if (sigaction(SIGUSR1, &sigact, NULL) < 0)
 372                 warn("sigaction(SIGUSR1) failed.");
 373 #if defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 374         /* SIGHUP should be ignored because cellular dongle ejection makes this signal */
 375         if (sigaction(SIGHUP, &sigact, NULL) < 0)
 376                 warn("sigaction(SIGHUP) failed.");
 377 #endif
 378 #elif defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 379         /* Signal Registration */
 380         sigact.sa_handler = telephony_signal_handler;
 381         sigemptyset(&sigact.sa_mask);
 382         sigact.sa_flags = 0;
 383         /* SIGHUP should be ignored because cellular dongle ejection makes this signal */
 384         if (sigaction(SIGHUP, &sigact, NULL) < 0)
 385                 warn("sigaction(SIGHUP) failed.");
 386 #endif
 387
 388         if (signal(SIGCHLD, SIG_IGN) == SIG_ERR)
 389                 err("Child process won't be auto reaped: [%d]", errno);
 390
 391         /* Commandline option parser TODO: Replace with GOptionContext */
 392         while (TRUE) {
 393                 opt = getopt_long(argc, argv, "hT", options, &opt_index);
 394
 395                 if (-1 == opt)
 396                         break;
 397
 398                 switch (opt) {
 399                 case 0: {
 400                         switch (opt_index) {
 401                         case 0: {
 402                                 __usage_info(argv[0]);
 403                                 return 0;
 404                         } break;
 405                         default: {
 406                                 warn("unhandled opt_index.");
 407                         } break;
 408                         } /* end switch */
 409                 } break;
 410
 411                 case 'h': {
 412                         __usage_info(argv[0]);
 413                         return 0;
 414                 } break;
 415
 416                 case 'T': {
 417                         flag_test_load = TRUE;
 418                 } break;
 419                 default: {
 420                         warn("unhandled opt case.");
 421                 } break;
 422                 } /* end switch */
 423         }
 424
 425         if (optind < argc)
 426                 plugin_path = argv[optind];
 427
 428         info("plugin_path: [%s]", plugin_path);
 429
 430 #if !GLIB_CHECK_VERSION(2, 35, 0)
 431         g_type_init();
 432 #endif
 433 #if !GLIB_CHECK_VERSION(2, 31, 0)
 434         g_thread_init(NULL);
 435 #endif
 436
 437         s = tcore_server_new();
 438         if (G_UNLIKELY(NULL == s)) {
 439                 err("server_new failed.");
 440                 ret_code = EXIT_FAILURE;
 441                 goto END;
 442         }
 443         _server = s;
 444
 445         g_log_set_default_handler(glib_log, s);
 446
 447         /* Load Plugins */
 448         if (G_UNLIKELY(FALSE == load_plugins(s, (const char *)plugin_path, flag_test_load))) {
 449                 err("load_plugins failed.");
 450                 ret_code = EXIT_FAILURE;
 451                 goto END;
 452         }
 453
 454         TIME_CHECK("Loading Plugins Complete");
 455
 456         if (flag_test_load) {
 457                 ret_code = EXIT_SUCCESS;
 458                 goto END;
 459         }
 460
 461         /* Initialize Plugins */
 462         if (G_UNLIKELY(FALSE == init_plugins(s))) {
 463                 err("init_plugins failed.");
 464                 ret_code = EXIT_FAILURE;
 465                 goto END;
 466         }
 467
 468         info("server mainloop start");
 469         TIME_CHECK("Initializing Plugins Complete. Starting Daemon");
 470
 471         if (G_UNLIKELY(TCORE_RETURN_SUCCESS != tcore_server_run(s))) {
 472                 err("server_run failed.");
 473                 ret_code = EXIT_FAILURE;
 474         }
 475
 476 END:
 477         tcore_server_free(s); _server = NULL;
 478         return ret_code;
 479 }