Remove useless codes for making pipe and reading pipe in keytone plugin

[platform/core/multimedia/libmm-sound.git] / server / plugin / keytone / mm_sound_plugin_run_key_tone.c

diff --git a/server/plugin/keytone/mm_sound_plugin_run_key_tone.c b/server/plugin/keytone/mm_sound_plugin_run_key_tone.c
index 00a12f3..932c909 100644 (file)
--- a/server/plugin/keytone/mm_sound_plugin_run_key_tone.c
+++ b/server/plugin/keytone/mm_sound_plugin_run_key_tone.c
@@ -51,8 +51,7 @@
 #define ENV_KEYTONE_TIMEOUT "KEYTONE_TIMEOUT"
 
 #define MAX_BUFFER_SIZE 1920
-#define KEYTONE_PATH "/tmp/keytone"            /* Keytone pipe path */
-#define KEYTONE_PATH_TMP "/tmp/keytone"                /* Keytone pipe path (it will be deprecated)*/
+#define KEYTONE_PATH "/tmp/keytone"            /* Keytone pipe path, this is the pipe for pulseaudio module-sound-player */
 #define KEYTONE_GROUP  6526                    /* Keytone group : assigned by security */
 #define FILE_FULL_PATH 1024                            /* File path lenth */
 #define ROLE_NAME_LEN 64                               /* Role name length */
@@ -104,7 +103,6 @@ static int (*g_thread_pool_func)(void*, void (*)(void*)) = NULL;
 
 static int _MMSoundKeytoneInit(void);
 static int _MMSoundKeytoneFini(void);
-static keytone_info_t g_keytone;
 static int stop_flag = 0;
 
 #ifdef SUPPORT_DBUS_KEYTONE
@@ -248,6 +246,7 @@ static void _on_changed_receive(GDBusConnection *conn,
        if (_is_mute_sound ()) {
                debug_log ("Skip playing keytone due to mute sound mode");
        } else {
+               /* request to play to pulseaudio module-sound-player */
                _play_keytone (DBUS_HW_KEYTONE, VOLUME_TYPE_SYSTEM | VOLUME_GAIN_TOUCH);
        }
 }
@@ -293,82 +292,30 @@ static void _deinit_dbus_keytone ()
 }
 #endif /* SUPPORT_DBUS_KEYTONE */
 
-static
-int MMSoundPlugRunKeytoneControlRun(void)
+static int MMSoundPlugRunKeytoneControlRun(void)
 {
-       int pre_mask;
        int ret = MM_ERROR_NONE;
-       int fd = -1;
-       ipc_type data;
-       int size = 0;
 
        debug_enter("\n");
-
-       /* INIT IPC */
-       pre_mask = umask(0);
-       if (mknod(KEYTONE_PATH_TMP,S_IFIFO|0660,0)<0) {
-               debug_warning ("mknod failed. errno=[%d][%s]\n", errno, strerror(errno));
-       }
-       umask(pre_mask);
-
-       fd = open(KEYTONE_PATH_TMP, O_RDWR);
-       if (fd == -1) {
-               debug_warning("Check ipc node %s\n", KEYTONE_PATH);
-               return MM_ERROR_SOUND_INTERNAL;
-       }
-
-       /* change access mode so group can use keytone pipe */
-       if (fchmod (fd, 0666) == -1) {
-               debug_warning("Changing keytone access mode is failed. errno=[%d][%s]\n", errno, strerror(errno));
-       }
-
-       /* change group due to security request */
-       if (fchown (fd, -1, KEYTONE_GROUP) == -1) {
-               debug_warning("Changing keytone group is failed. errno=[%d][%s]\n", errno, strerror(errno));
-       }
-
-       /* Init Audio Handle & internal buffer */
-       ret = _MMSoundKeytoneInit();    /* Create two thread and open device */
-       if (ret != MM_ERROR_NONE) {
-               debug_critical("Cannot create keytone\n");
-
-       }
        /* While loop is always on */
        stop_flag = MMSOUND_TRUE;
 
-       debug_msg("Start IPC with pipe\n");
-       size = sizeof(ipc_type);
-
 #ifdef SUPPORT_DBUS_KEYTONE
+       /* We receive the signal for HW back key here temporarily */
+       /* It'll be moved to some other place soon */
        _init_dbus_keytone();
 #endif /* SUPPORT_DBUS_KEYTONE */
 
        while (stop_flag) {
-               memset(&data, 0, sizeof(ipc_type));
-#if defined(_DEBUG_VERBOS_)
-               debug_log("Start to read from pipe\n");
-#endif
-               ret = read(fd, (void *)&data, size);
-               if (ret == -1) {
-                       debug_error("Fail to read file\n");
-                       continue;
-               }
-#if defined(_DEBUG_VERBOS_)
-               debug_log("Read returns\n");
-#endif
+               usleep(100000);
        }
 
-       if (fd > -1)
-               close(fd);
-
-       _MMSoundKeytoneFini();
        debug_leave("\n");
 
        return MM_ERROR_NONE;
 }
 
-static
-int MMSoundPlugRunKeytoneControlStop(void)
+static int MMSoundPlugRunKeytoneControlStop(void)
 {
        stop_flag = MMSOUND_FALSE; /* No impl. Don`t stop */
 
@@ -379,8 +326,7 @@ int MMSoundPlugRunKeytoneControlStop(void)
        return MM_ERROR_NONE;
 }
 
-static
-int MMSoundPlugRunKeytoneSetThreadPool(int (*func)(void*, void (*)(void*)))
+static int MMSoundPlugRunKeytoneSetThreadPool(int (*func)(void*, void (*)(void*)))
 {
        debug_enter("(func : %p)\n", func);
        g_thread_pool_func = func;
@@ -407,38 +353,3 @@ int MMSoundGetPluginType(void)
        debug_leave("\n");
        return MM_SOUND_PLUGIN_TYPE_RUN;
 }
-
-static int _MMSoundKeytoneInit(void)
-{
-       debug_enter("\n");
-
-       /* Set audio FIXED param */
-       memset(&g_keytone, 0x00, sizeof(g_keytone));
-       if (pthread_mutex_init(&(g_keytone.sw_lock), NULL)) {
-               debug_error("pthread_mutex_init() failed\n");
-               return MM_ERROR_SOUND_INTERNAL;
-       }
-       if (pthread_cond_init(&g_keytone.sw_cond,NULL)) {
-               debug_error("pthread_cond_init() failed\n");
-               return MM_ERROR_SOUND_INTERNAL;
-       }
-
-       return MM_ERROR_NONE;
-}
-
-static int _MMSoundKeytoneFini(void)
-{
-       g_keytone.handle = -1;
-
-       if (pthread_mutex_destroy(&(g_keytone.sw_lock))) {
-               debug_error("Fail to destroy mutex\n");
-               return MM_ERROR_SOUND_INTERNAL;
-       }
-       debug_msg("destroy\n");
-
-       if (pthread_cond_destroy(&g_keytone.sw_cond)) {
-               debug_error("Fail to destroy cond\n");
-               return MM_ERROR_SOUND_INTERNAL;
-       }
-       return MM_ERROR_NONE;
-}