focus_server/mm_sound_focus_server.c

   1 /*
   2  * libmm-sound
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Seungbae Shin <seungbae.shin@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
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <sys/wait.h>
  26 #include <unistd.h>
  27 #include <getopt.h>
  28
  29 #include <mm_debug.h>
  30
  31 #include <fcntl.h>
  32 #include <semaphore.h>
  33
  34 #ifdef USE_LWIPC
  35 #include <lwipc.h>
  36 #endif
  37
  38 #include <signal.h>
  39
  40 #include "../include/mm_sound_common.h"
  41 #include "include/mm_sound_mgr_focus.h"
  42 #include "include/mm_sound_mgr_focus_dbus.h"
  43
  44 #define USE_SYSTEM_SERVER_PROCESS_MONITORING
  45
  46 typedef struct {
  47     int startserver;
  48     int printlist;
  49     int testmode;
  50 } server_arg;
  51
  52 static int _get_option(int argc, char **argv, server_arg *arg);
  53 static int _usage(int argc, char **argv);
  54
  55 GMainLoop *g_mainloop;
  56
  57 static void _mainloop_run()
  58 {
  59         g_mainloop = g_main_loop_new(NULL, TRUE);
  60         if (g_mainloop == NULL) {
  61                 debug_error("g_main_loop_new() failed\n");
  62         }
  63
  64         g_main_loop_run(g_mainloop);
  65 }
  66
  67 static sem_t* _sem_create_n_wait()
  68 {
  69         sem_t* sem = NULL;
  70
  71         if ((sem = sem_open("booting-sound", O_CREAT, 0660, 0)) == SEM_FAILED) {
  72                 debug_error("error creating sem : %d", errno);
  73                 return NULL;
  74         }
  75
  76         debug_msg("returning sem [%p]", sem);
  77         return sem;
  78 }
  79
  80 static int _get_option(int argc, char **argv, server_arg *arg)
  81 {
  82         int c;
  83         static struct option long_options[] = {
  84                 {"start", 0, 0, 'S'},
  85                 {"help", 0, 0, 'H'},
  86                 {"testmode", 0, 0, 'T'},
  87                 {0, 0, 0, 0}
  88         };
  89         memset(arg, 0, sizeof(server_arg));
  90
  91         arg->testmode = 0;
  92
  93         while (1) {
  94                 int opt_idx = 0;
  95
  96                 c = getopt_long (argc, argv, "SFLHRUP:Tiurd", long_options, &opt_idx);
  97                 if (c == -1)
  98                         break;
  99                 switch (c)
 100                 {
 101                 case 'S': /* Start daemon */
 102                         arg->startserver = 1;
 103                         break;
 104                 case 'T': /* Test mode */
 105                         arg->testmode = 1;
 106                         break;
 107                 case 'H': /* help msg */
 108                 default:
 109                         return _usage(argc, argv);
 110                 }
 111         }
 112         if (argc == 1)
 113                 return _usage(argc, argv);
 114         return 0;
 115 }
 116
 117 static int _usage(int argc, char **argv)
 118 {
 119         fprintf(stderr, "Usage: %s [Options]\n", argv[0]);
 120         fprintf(stderr, "\t%-20s: start focus server.\n", "--start,-S");
 121         fprintf(stderr, "\t%-20s: help message.\n", "--help,-H");
 122
 123         return 1;
 124 }
 125
 126 int main(int argc, char **argv)
 127 {
 128         sem_t* sem = NULL;
 129         server_arg serveropt;
 130 #if !defined(USE_SYSTEM_SERVER_PROCESS_MONITORING)
 131         int pid;
 132 #endif
 133         int fd_fs_ready = -1;
 134
 135         if (_get_option(argc, argv, &serveropt))
 136                 return 1;
 137
 138         debug_warning("focus_server [%d] init \n", getpid());
 139
 140         if (serveropt.startserver) {
 141                 sem = _sem_create_n_wait();
 142         }
 143         /* Daemon process create */
 144         if (!serveropt.testmode && serveropt.startserver) {
 145 #if !defined(USE_SYSTEM_SERVER_PROCESS_MONITORING)
 146                 daemon(0,0); //chdir to ("/"), and close stdio
 147 #endif
 148         }
 149
 150         /* focus Server Starts!!!*/
 151         debug_warning("focus_server [%d] start \n", getpid());
 152
 153         signal(SIGPIPE, SIG_IGN); //ignore SIGPIPE
 154
 155 #if !defined(USE_SYSTEM_SERVER_PROCESS_MONITORING)
 156         while (1) {
 157                 if ((pid = fork()) < 0) {
 158                         fprintf(stderr, "Sub Fork Error\n");
 159                         return 2;
 160                 } else if (pid == 0) {
 161                         break;
 162                 } else if (pid > 0) {
 163                         wait(&ret);
 164                         fprintf(stderr, "Killed by signal [%05X]\n", ret);
 165                         fprintf(stderr, "Daemon is run againg\n");
 166                 }
 167         }
 168 #endif
 169         if (serveropt.startserver) {
 170                 MMSoundMgrFocusDbusInit();
 171                 MMSoundMgrFocusInit();
 172         }
 173
 174         debug_warning("focus_server [%d] initialization complete...now, start running!!\n", getpid());
 175
 176         if (serveropt.startserver) {
 177                 unlink(PA_READY); // remove pa_ready file after focus-server init.
 178
 179                 if (sem) {
 180                         if (sem_post(sem) == -1) {
 181                                 debug_error("error sem post : %d", errno);
 182                         } else {
 183                                 debug_msg("Ready to play booting sound!!!!");
 184                         }
 185                 }
 186
 187                 /* FIXME : This code is moved from sound_server temporally for TV migration
 188                                         As other modules which has dependancy on this file is cleared,
 189                                         this code will be removed */
 190                 /* broadcast if we're ready */
 191 #ifdef USE_LWIPC
 192                 if (LwipcEventDone(SOUND_SERVER_READY) < 0) {
 193                         debug_error("cannot create SOUND_SERVER_READY(sound_server_ready)");
 194                 } else {
 195                         debug_warning("SOUND_SERVER_READY(%s) event was created", SOUND_SERVER_READY);
 196                 }
 197 #endif
 198                 if ((fd_fs_ready = creat(FOCUS_SERVER_READY, 0644)) != -1) {
 199                         debug_warning("FOCUS_SERVER_READY(%s) file was created", FOCUS_SERVER_READY);
 200                         close(fd_fs_ready);
 201                 } else {
 202                         debug_error("cannot create FOCUS_SERVER_READY(%s), errno(%d)", FOCUS_SERVER_READY, errno);
 203                 }
 204
 205                 _mainloop_run();
 206         }
 207
 208         debug_warning("focus_server [%d] terminating \n", getpid());
 209
 210         if (serveropt.startserver) {
 211                 MMSoundMgrFocusDbusFini();
 212                 MMSoundMgrFocusFini();
 213         }
 214
 215         debug_warning("focus_server [%d] exit ----------------- END \n", getpid());
 216
 217         return 0;
 218 }