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                 tcore_server_exit(_server);
 144         } break;
 145
 146 #if defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 147         case SIGHUP: {
 148                 warn("*~*~*~* Ignore Signal: [SIGHUP] *~*~*~*");
 149         } break;
 150 #endif
 151
 152         default: {
 153                 warn("*~*~*~* Unhandled Signal: [%d] *~*~*~*", signo);
 154         } break;
 155         } /* end switch */
 156
 157         return;
 158 }
 159 #elif defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 160 static void telephony_signal_handler(int signo)
 161 {
 162         if (!_server)
 163                 return;
 164
 165         switch (signo) {
 166         case SIGHUP: {
 167                 warn("*~*~*~* Ignore Signal: [SIGHUP] *~*~*~*");
 168         } break;
 169
 170         default: {
 171                 warn("*~*~*~* Unhandled Signal: [%d] *~*~*~*", signo);
 172         } break;
 173         } /* end switch */
 174
 175         return;
 176 }
 177 #endif
 178
 179 static void __log_uptime()
 180 {
 181         float a = 0.00, b = 0.00;
 182         FILE *fp = fopen("/proc/uptime", "r");
 183
 184         if (NULL == fp) {
 185                 err("fopen() failed");
 186                 return;
 187         }
 188         info("scanned %d items", fscanf(fp, "%f %f", &a, &b));
 189         info("proc uptime = %f idletime = %f\n", a, b);
 190         fclose(fp);
 191 }
 192
 193 static gboolean __init_plugin(TcorePlugin *plugin)
 194 {
 195         const struct tcore_plugin_define_desc *desc = tcore_plugin_get_description(plugin);
 196
 197         if (!desc || !desc->init)
 198                 return FALSE;
 199
 200         if (!desc->init(plugin)) { /* TODO: Remove plugin from server */
 201                 char *plugin_name = tcore_plugin_get_filename(plugin);
 202                 if (NULL != plugin_name) {
 203                         err("plugin(%s) init failed.", plugin_name);
 204                         free(plugin_name);
 205                 }
 206                 return FALSE;
 207         }
 208
 209         return TRUE;
 210 }
 211
 212 static gboolean init_plugins(Server *s)
 213 {
 214         GSList *list = tcore_server_ref_plugins(s);
 215
 216         while (list != NULL) {
 217                 if (G_UNLIKELY(FALSE == __init_plugin(list->data))) {
 218                         list = g_slist_next(list);
 219                         continue;
 220                 }
 221                 list = g_slist_next(list);
 222         }
 223
 224         return TRUE;
 225 }
 226
 227 static void *__load_plugin(const gchar *filename, struct tcore_plugin_define_desc **desc_out)
 228 {
 229         void *handle = NULL;
 230         struct tcore_plugin_define_desc *desc = NULL;
 231         struct stat stat_buf;
 232         char file_date[27];
 233
 234         handle = dlopen(filename, RTLD_LAZY);
 235         if (NULL == handle) {
 236                 err("dlopen() failed:[%s]", filename);
 237                 return NULL;
 238         }
 239
 240         desc = dlsym(handle, "plugin_define_desc");
 241         if (NULL == desc) {
 242                 err("dlsym() failed:[%s]", "plugin_define_desc");
 243                 dlclose(handle);
 244                 return NULL;
 245         }
 246
 247         dbg("%s plugin", desc->name);
 248         dbg(" - path = %s", filename);
 249         dbg(" - version = %d", desc->version);
 250         dbg(" - priority = %d", desc->priority);
 251
 252         memset(&stat_buf, 0x00, sizeof(stat_buf));
 253         memset(&file_date, '\0', sizeof(file_date));
 254
 255         if (0 == stat(filename, &stat_buf)) {
 256                 if (NULL != ctime_r(&stat_buf.st_mtime, file_date)) {
 257                         if (1 < strlen(file_date))
 258                                 file_date[strlen(file_date)-1] = '\0';
 259                         dbg(" - date = %s", file_date);
 260                 }
 261         }
 262
 263         if (G_LIKELY(desc->load)) {
 264                 if (G_UNLIKELY(FALSE == desc->load())) {
 265                         warn("false return from load(). skip this plugin");
 266                         dlclose(handle);
 267                         return NULL;
 268                 }
 269         }
 270
 271         if (NULL != desc_out)
 272                 *desc_out = desc;
 273
 274         return handle;
 275 }
 276
 277 static gboolean load_plugins(Server *s, const char *path, gboolean flag_test_load)
 278 {
 279         const gchar *file = NULL;
 280         gchar *filename = NULL;
 281         GDir *dir = NULL;
 282         void *handle = NULL;
 283         struct tcore_plugin_define_desc *desc = NULL;
 284
 285         if (!path || !s)
 286                 return FALSE;
 287
 288         dir = g_dir_open(path, 0, NULL);
 289         if (!dir)
 290                 return FALSE;
 291
 292         while ((file = g_dir_read_name(dir)) != NULL) {
 293                 if (g_str_has_prefix(file, "lib") == TRUE
 294                         || g_str_has_suffix(file, ".so") == FALSE)
 295                         continue;
 296
 297                 filename = g_build_filename(path, file, NULL);
 298
 299                 /* Load a plugin */
 300                 handle = __load_plugin(filename, &desc);
 301                 if (NULL == handle) {
 302                         g_free(filename);
 303                         continue;
 304                 }
 305
 306                 /* Don't add to server if flag_test_load */
 307                 if (flag_test_load) {
 308                         dbg("success to load '%s'", filename);
 309                         dlclose(handle);
 310                         g_free(filename);
 311                         continue;
 312                 }
 313
 314                 tcore_server_add_plugin(s, tcore_plugin_new(s, desc, filename, handle));
 315
 316                 dbg("%s added", desc->name);
 317                 g_free(filename);
 318         }
 319         g_dir_close(dir);
 320
 321         return TRUE;
 322 }
 323
 324 int main(int argc, char *argv[])
 325 {
 326 #if defined(TIZEN_DEBUG_ENABLE) || defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 327         struct sigaction sigact;
 328 #endif
 329         Server *s = NULL;
 330         gboolean flag_test_load = FALSE;
 331         int opt = 0, opt_index = 0, ret_code = EXIT_SUCCESS;
 332         int daemon_load_count = 0;
 333         struct option options[] = {
 334                 { "help", 0, 0, 0 },
 335                 { "testload", 0, &flag_test_load, 1 },
 336                 { 0, 0, 0, 0 }
 337         };
 338         const char *plugin_path = DEFAULT_PLUGINS_PATH;
 339         char *tcore_ver = NULL;
 340         struct sysinfo sys_info;
 341
 342         TIME_CHECK("Starting Telephony");
 343
 344         /* System Uptime */
 345         if (0 == sysinfo(&sys_info))
 346                 info("uptime: %ld secs", sys_info.uptime);
 347         __log_uptime();
 348
 349         /* Version Info */
 350         tcore_ver = tcore_util_get_version();
 351         info("daemon version: [%s] libtcore version: [%s] glib version: [%u.%u.%u]",
 352                 DAEMON_VERSION, tcore_ver, glib_major_version, glib_minor_version, glib_micro_version);
 353         free(tcore_ver);
 354         info("glib version: %u.%u.%u", glib_major_version, glib_minor_version, glib_micro_version);
 355
 356         /* Telephony reset handling*/
 357         vconf_get_int(VCONFKEY_TELEPHONY_DAEMON_LOAD_COUNT, &daemon_load_count);
 358         daemon_load_count++;
 359         vconf_set_int(VCONFKEY_TELEPHONY_DAEMON_LOAD_COUNT, daemon_load_count);
 360         info("daemon load count = [%d]", daemon_load_count);
 361
 362 #ifdef TIZEN_DEBUG_ENABLE
 363         /* Signal Registration */
 364         sigact.sa_handler = telephony_signal_handler;
 365         sigemptyset(&sigact.sa_mask);
 366         sigact.sa_flags = 0;
 367         if (sigaction(SIGTERM, &sigact, NULL) < 0)
 368                 warn("sigaction(SIGTERM) failed.");
 369         if (sigaction(SIGUSR1, &sigact, NULL) < 0)
 370                 warn("sigaction(SIGUSR1) failed.");
 371 #if defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 372         /* SIGHUP should be ignored because cellular dongle ejection makes this signal */
 373         if (sigaction(SIGHUP, &sigact, NULL) < 0)
 374                 warn("sigaction(SIGHUP) failed.");
 375 #endif
 376 #elif defined(TIZEN_PROFILE_TV) || defined(TIZEN_PROFILE_IVI)
 377         /* Signal Registration */
 378         sigact.sa_handler = telephony_signal_handler;
 379         sigemptyset(&sigact.sa_mask);
 380         sigact.sa_flags = 0;
 381         /* SIGHUP should be ignored because cellular dongle ejection makes this signal */
 382         if (sigaction(SIGHUP, &sigact, NULL) < 0)
 383                 warn("sigaction(SIGHUP) failed.");
 384 #endif
 385
 386         if (signal(SIGCHLD, SIG_IGN) == SIG_ERR)
 387                 err("Child process won't be auto reaped: [%d]", errno);
 388
 389         /* Commandline option parser TODO: Replace with GOptionContext */
 390         while (TRUE) {
 391                 opt = getopt_long(argc, argv, "hT", options, &opt_index);
 392
 393                 if (-1 == opt)
 394                         break;
 395
 396                 switch (opt) {
 397                 case 0: {
 398                         switch (opt_index) {
 399                         case 0: {
 400                                 __usage_info(argv[0]);
 401                                 return 0;
 402                         } break;
 403                         default: {
 404                                 warn("unhandled opt_index.");
 405                         } break;
 406                         } /* end switch */
 407                 } break;
 408
 409                 case 'h': {
 410                         __usage_info(argv[0]);
 411                         return 0;
 412                 } break;
 413
 414                 case 'T': {
 415                         flag_test_load = TRUE;
 416                 } break;
 417                 default: {
 418                         warn("unhandled opt case.");
 419                 } break;
 420                 } /* end switch */
 421         }
 422
 423         if (optind < argc)
 424                 plugin_path = argv[optind];
 425
 426         info("plugin_path: [%s]", plugin_path);
 427
 428 #if !GLIB_CHECK_VERSION(2, 35, 0)
 429         g_type_init();
 430 #endif
 431 #if !GLIB_CHECK_VERSION(2, 31, 0)
 432         g_thread_init(NULL);
 433 #endif
 434
 435         s = tcore_server_new();
 436         if (G_UNLIKELY(NULL == s)) {
 437                 err("server_new failed.");
 438                 ret_code = EXIT_FAILURE;
 439                 goto END;
 440         }
 441         _server = s;
 442
 443         g_log_set_default_handler(glib_log, s);
 444
 445         /* Load Plugins */
 446         if (G_UNLIKELY(FALSE == load_plugins(s, (const char *)plugin_path, flag_test_load))) {
 447                 err("load_plugins failed.");
 448                 ret_code = EXIT_FAILURE;
 449                 goto END;
 450         }
 451
 452         TIME_CHECK("Loading Plugins Complete");
 453
 454         if (flag_test_load) {
 455                 ret_code = EXIT_SUCCESS;
 456                 goto END;
 457         }
 458
 459         /* Initialize Plugins */
 460         if (G_UNLIKELY(FALSE == init_plugins(s))) {
 461                 err("init_plugins failed.");
 462                 ret_code = EXIT_FAILURE;
 463                 goto END;
 464         }
 465
 466         info("server mainloop start");
 467         TIME_CHECK("Initializing Plugins Complete. Starting Daemon");
 468
 469         if (G_UNLIKELY(TCORE_RETURN_SUCCESS != tcore_server_run(s))) {
 470                 err("server_run failed.");
 471                 ret_code = EXIT_FAILURE;
 472         }
 473
 474 END:
 475         tcore_server_free(s); _server = NULL;
 476         return ret_code;
 477 }