focus_server: Fix bug regarding update of reacquisition information within focus...
[platform/core/multimedia/libmm-sound.git] / mm_sound_client.c
index 1515874..4ba6246 100644 (file)
@@ -101,7 +101,9 @@ typedef struct {
        void* user_data;
        bool unset_watch_callback_requested;
 
-       bool is_for_session;    /* will be removed when the session concept is completely left out*/
+       /* will be removed when the session concept is completely left out*/
+       bool is_for_session;
+       bool is_for_monitor;
 } focus_sound_info_t;
 
 typedef struct {
@@ -115,6 +117,7 @@ typedef struct {
 } focus_cb_data_lib;
 
 typedef struct {
+       int watch_cb_id;
        mm_sound_focus_session_interrupt_cb user_cb;
        void* user_data;
 } focus_session_interrupt_info_t;
@@ -122,7 +125,7 @@ typedef struct {
 typedef gboolean (*focus_callback_handler_t)(gpointer user_data);
 
 focus_sound_info_t g_focus_sound_handle[FOCUS_HANDLE_MAX];
-focus_session_interrupt_info_t g_focus_session_interrupt_info = {NULL, NULL};
+focus_session_interrupt_info_t g_focus_session_interrupt_info = {-1, NULL, NULL};
 static pthread_mutex_t g_index_mutex = PTHREAD_MUTEX_INITIALIZER;
 static pthread_mutex_t g_event_mutex = PTHREAD_MUTEX_INITIALIZER;
 guint g_focus_signal_handle;
@@ -143,7 +146,7 @@ typedef struct _focus_idle_event {
        int data;
 } focus_idle_event_t;
 
-void _system_signal_handler(int signo)
+void _system_signal_handler(int signo, siginfo_t *siginfo, void *context)
 {
        int ret = MM_ERROR_NONE;
        sigset_t old_mask, all_mask;
@@ -158,9 +161,9 @@ void _system_signal_handler(int signo)
        if (g_need_emergent_exit) {
                ret = mm_sound_proxy_emergent_exit(getpid());
                if (ret == MM_ERROR_NONE)
-                       debug_msg("[Client] Success to emergnet_exit\n");
+                       debug_msg("Success to emergnet_exit");
                else
-                       debug_error("[Client] Error occurred : 0x%x \n",ret);
+                       debug_error("Error occurred : 0x%x", ret);
        }
 
        sigprocmask(SIG_SETMASK, &old_mask, NULL);
@@ -168,28 +171,40 @@ void _system_signal_handler(int signo)
 
        switch (signo) {
        case SIGINT:
-               sigaction(SIGINT, &system_int_old_action, NULL);
-               raise( signo);
+               if (system_int_old_action.sa_sigaction)
+                       system_int_old_action.sa_sigaction(signo, siginfo, context);
+               else
+                       sigaction(signo, &system_int_old_action, NULL);
                break;
        case SIGABRT:
-               sigaction(SIGABRT, &system_abrt_old_action, NULL);
-               raise( signo);
+               if (system_abrt_old_action.sa_sigaction)
+                       system_abrt_old_action.sa_sigaction(signo, siginfo, context);
+               else
+                       sigaction(signo, &system_abrt_old_action, NULL);
                break;
        case SIGSEGV:
-               sigaction(SIGSEGV, &system_segv_old_action, NULL);
-               raise( signo);
+               if (system_segv_old_action.sa_sigaction)
+                       system_segv_old_action.sa_sigaction(signo, siginfo, context);
+               else
+                       sigaction(signo, &system_segv_old_action, NULL);
                break;
        case SIGTERM:
-               sigaction(SIGTERM, &system_term_old_action, NULL);
-               raise( signo);
+               if (system_term_old_action.sa_sigaction)
+                       system_term_old_action.sa_sigaction(signo, siginfo, context);
+               else
+                       sigaction(signo, &system_term_old_action, NULL);
                break;
        case SIGSYS:
-               sigaction(SIGSYS, &system_sys_old_action, NULL);
-               raise( signo);
+               if (system_sys_old_action.sa_sigaction)
+                       system_sys_old_action.sa_sigaction(signo, siginfo, context);
+               else
+                       sigaction(signo, &system_sys_old_action, NULL);
                break;
        case SIGXCPU:
-               sigaction(SIGXCPU, &system_xcpu_old_action, NULL);
-               raise( signo);
+               if (system_xcpu_old_action.sa_sigaction)
+                       system_xcpu_old_action.sa_sigaction(signo, siginfo, context);
+               else
+                       sigaction(signo, &system_xcpu_old_action, NULL);
                break;
        default:
                break;
@@ -208,8 +223,8 @@ int mm_sound_client_initialize(void)
 
 
        struct sigaction system_action;
-       system_action.sa_handler = _system_signal_handler;
-       system_action.sa_flags = SA_NOCLDSTOP;
+       system_action.sa_sigaction = _system_signal_handler;
+       system_action.sa_flags = SA_NOCLDSTOP | SA_SIGINFO;
 
        sigemptyset(&system_action.sa_mask);
 
@@ -233,9 +248,9 @@ int mm_sound_client_finalize(void)
        if (g_need_emergent_exit) {
                ret = mm_sound_proxy_emergent_exit(getpid());
                if (ret == MM_ERROR_NONE)
-                       debug_msg("[Client] Success to emergnet_exit\n");
+                       debug_msg("Success to emergent_exit");
                else
-                       debug_error("[Client] Error occurred : 0x%x \n",ret);
+                       debug_error("Error occurred : 0x%x", ret);
        }
 
        sigaction(SIGINT, &system_int_old_action, NULL);
@@ -263,31 +278,31 @@ void mm_sound_convert_volume_type_to_stream_type(int volume_type, char *stream_t
 {
        switch (volume_type) {
        case VOLUME_TYPE_SYSTEM:
-               MMSOUND_STRNCPY(stream_type, "system", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "system", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_NOTIFICATION:
-               MMSOUND_STRNCPY(stream_type, "notification", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "notification", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_ALARM:
-               MMSOUND_STRNCPY(stream_type, "alarm", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "alarm", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_RINGTONE:
-               MMSOUND_STRNCPY(stream_type, "ringtone-voip", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "ringtone-voip", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_MEDIA:
-               MMSOUND_STRNCPY(stream_type, "media", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "media", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_CALL:
-               MMSOUND_STRNCPY(stream_type, "call-voice", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "call-voice", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_VOIP:
-               MMSOUND_STRNCPY(stream_type, "voip", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "voip", MAX_STREAM_TYPE_LEN);
                break;
        case VOLUME_TYPE_VOICE:
-               MMSOUND_STRNCPY(stream_type, "voice-information", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "voice-information", MAX_STREAM_TYPE_LEN);
                break;
        default:
-               MMSOUND_STRNCPY(stream_type, "media", MM_SOUND_STREAM_TYPE_LEN);
+               MMSOUND_STRNCPY(stream_type, "media", MAX_STREAM_TYPE_LEN);
                break;
        }
 
@@ -322,7 +337,7 @@ int mm_sound_client_play_tone(int number, int volume_config, double volume,
        int ret = MM_ERROR_NONE;
 //      int instance = -1; /* instance is unique to communicate with server : client message queue filter type */
        int volume_type = MM_SOUND_VOLUME_CONFIG_TYPE(volume_config);
-       char stream_type[MM_SOUND_STREAM_TYPE_LEN] = {0, };
+       char stream_type[MAX_STREAM_TYPE_LEN] = {0, };
 
         debug_fenter();
 
@@ -342,21 +357,21 @@ int mm_sound_client_play_tone(int number, int volume_config, double volume,
 
        if (enable_session) {
                if (MM_ERROR_NONE != _mm_session_util_read_information(-1, &session_type, &session_options)) {
-                       debug_warning("[Client] Read Session Information failed. use default \"media\" type\n");
+                       debug_warning("Read Session Information failed. use default \"media\" type");
                        session_type = MM_SESSION_TYPE_MEDIA;
 
                        if(MM_ERROR_NONE != mm_session_init(session_type)) {
-                               debug_critical("[Client] MMSessionInit() failed\n");
+                               debug_critical("MMSessionInit() failed");
                                return MM_ERROR_POLICY_INTERNAL;
                        }
                }
        }
 
         // instance = getpid();
-        //debug_log("[Client] pid for client ::: [%d]\n", instance);
+        //debug_log("pid for client ::: [%d]", instance);
 
         /* Send msg */
-        debug_msg("[Client] Input number : %d\n", number);
+        debug_msg("Input number : %d", number);
         /* Send req memory */
 
        mm_sound_convert_volume_type_to_stream_type(volume_type, stream_type);
@@ -395,7 +410,7 @@ static void _mm_sound_stop_callback_wrapper_func(int ended_handle, void *userdat
        struct callback_data *cb_data = (struct callback_data*) userdata;
        play_sound_end_callback_data_t *end_cb_data;
 
-       debug_log("[Wrapper CB][Play Stop] ended_handle : %d", ended_handle);
+       debug_log("ended_handle : %d", ended_handle);
 
        if (cb_data == NULL) {
                debug_warning("stop callback data null");
@@ -432,7 +447,7 @@ int mm_sound_client_play_sound(MMSoundPlayParam *param, int tone, int *handle)
        int is_focus_registered = 0;
 //     int instance = -1;      /* instance is unique to communicate with server : client message queue filter type */
        int volume_type = MM_SOUND_VOLUME_CONFIG_TYPE(param->volume_config);
-       char stream_type[MM_SOUND_STREAM_TYPE_LEN] = {0, };
+       char stream_type[MAX_STREAM_TYPE_LEN] = {0, };
        struct callback_data *cb_data = NULL;
        play_sound_end_callback_data_t *end_cb_data;
 
@@ -451,11 +466,11 @@ int mm_sound_client_play_sound(MMSoundPlayParam *param, int tone, int *handle)
 
        if (param->skip_session == false) {
                if(MM_ERROR_NONE != _mm_session_util_read_information(-1, &session_type, &session_options)) {
-                       debug_warning("[Client] Read MMSession Type failed. use default \"media\" type\n");
+                       debug_warning("Read MMSession Type failed. use default \"media\" type");
                        session_type = MM_SESSION_TYPE_MEDIA;
 
                        if(MM_ERROR_NONE != mm_session_init(session_type)) {
-                               debug_critical("[Client] MMSessionInit() failed\n");
+                               debug_critical("MMSessionInit() failed");
                                return MM_ERROR_POLICY_INTERNAL;
                        }
                }
@@ -560,16 +575,16 @@ static int _mm_sound_client_device_list_dump (GList *device_list)
                return MM_ERROR_SOUND_INTERNAL;
        }
 
-       debug_log("======================== device list : start ==========================\n");
+       debug_log("======================== device list : start ==========================");
        for (list = device_list; list != NULL; list = list->next) {
                device_node = (mm_sound_device_t *)list->data;
                if (device_node) {
-                       debug_log(" list idx[%d]: type[%17s], id[%02d], io_direction[%d], state[%d], name[%s]\n",
+                       debug_log(" list idx[%d]: type[%17s], id[%02d], io_direction[%d], state[%d], name[%s]",
                                                count++, device_node->type, device_node->id, device_node->io_direction,
                                                device_node->state, device_node->name);
                }
        }
-       debug_log("======================== device list : end ============================\n");
+       debug_log("======================== device list : end ============================");
 
        return ret;
 }
@@ -586,7 +601,7 @@ int mm_sound_client_get_current_connected_device_list(int device_flags, mm_sound
        }
 
        if ((ret = mm_sound_proxy_get_current_connected_device_list(device_flags, &device_list->list)) != MM_ERROR_NONE) {
-               debug_error("[Client] failed to get current connected device list with dbus, ret[0x%x]", ret);
+               debug_error("failed to get current connected device list with dbus, ret[0x%x]", ret);
                goto failed;
        }
        if (!device_list->list) {
@@ -601,6 +616,20 @@ failed:
        return ret;
 }
 
+int mm_sound_client_get_device_by_id(int device_id, mm_sound_device_t **device)
+{
+       int ret = MM_ERROR_NONE;
+
+       debug_fenter();
+
+       if ((ret = mm_sound_proxy_get_device_by_id(device_id, device)) != MM_ERROR_NONE)
+               debug_error("failed to get device by id");
+
+       debug_fleave();
+
+       return ret;
+}
+
 static bool device_is_match_direction(int direction, int mask)
 {
        if (mask == DEVICE_IO_DIRECTION_FLAGS || mask == 0)
@@ -658,7 +687,8 @@ static bool device_is_match_with_mask(const char *type, int direction, int state
 }
 
 static int _fill_sound_device(mm_sound_device_t *device_h, int device_id, const char *device_type,
-               int direction, int state, const char *name, int *stream_id, int stream_num)
+               int direction, int state, const char *name, int vendor_id, int product_id,
+               int *stream_id, int stream_num)
 {
        int i;
 
@@ -677,6 +707,8 @@ static int _fill_sound_device(mm_sound_device_t *device_h, int device_id, const
        device_h->state = state;
        MMSOUND_STRNCPY(device_h->name, name, MAX_DEVICE_NAME_NUM);
        MMSOUND_STRNCPY(device_h->type, device_type, MAX_DEVICE_TYPE_STR_LEN);
+       device_h->vendor_id = vendor_id;
+       device_h->product_id = product_id;
 
        if (stream_num > 0) {
                device_h->stream_num = stream_num;
@@ -694,16 +726,16 @@ static int _fill_sound_device(mm_sound_device_t *device_h, int device_id, const
 }
 
 static void _mm_sound_device_connected_callback_wrapper_func(int device_id, const char *device_type, int io_direction,
-                                                                                                                       int state, const char *name, int *stream_id, int stream_num,
-                                                                                                                       gboolean is_connected, void *userdata)
+                                                       int state, const char *name, int vendor_id, int product_id, int *stream_id, int stream_num,
+                                                       gboolean is_connected, void *userdata)
 {
        mm_sound_device_t device_h;
        struct callback_data *cb_data = (struct callback_data*) userdata;
        int device_flags;
 
-       debug_log("[Device %s] id(%d) type(%s) direction(%d) state(%d) name(%s)",
+       debug_log("[Device %s] id(%d) type(%s) direction(%d) state(%d) name(%s) vendor-id(%04x) product-id(%04x)",
                          is_connected ? "Connected" : "Disconnected", device_id, device_type, io_direction,
-                         state, name, is_connected);
+                         state, name, vendor_id, product_id, is_connected);
 
        if (cb_data == NULL) {
                debug_warning("device connected changed callback data null");
@@ -714,7 +746,8 @@ static void _mm_sound_device_connected_callback_wrapper_func(int device_id, cons
        if (!device_is_match_with_mask(device_type, io_direction, state, device_flags))
                return;
 
-       if (_fill_sound_device(&device_h, device_id, device_type, io_direction, state, name, stream_id, stream_num) < 0) {
+       if (_fill_sound_device(&device_h, device_id, device_type, io_direction, state, name,
+                               vendor_id, product_id, stream_id, stream_num) < 0) {
                debug_error("Failed to fill sound device");
                return;
        }
@@ -754,15 +787,16 @@ int mm_sound_client_remove_device_connected_callback(unsigned int subs_id)
 }
 
 static void _mm_sound_device_info_changed_callback_wrapper_func(int device_id, const char *device_type, int io_direction,
-                                                                                                                               int state, const char *name, int *stream_id, int stream_num,
-                                                                                                                               int changed_device_info_type, void *userdata)
+                                                       int state, const char *name, int vendor_id, int product_id, int *stream_id, int stream_num,
+                                                       int changed_device_info_type, void *userdata)
 {
        mm_sound_device_t device_h;
        struct callback_data *cb_data = (struct callback_data*) userdata;
        int device_flags;
 
-       debug_log("[Device Info Changed] id(%d) type(%s) direction(%d) state(%d) name(%s) changed_info_type(%d)",
-                         device_id, device_type, io_direction, state, name, changed_device_info_type);
+       debug_log("[Device Info Changed] id(%d) type(%s) direction(%d) state(%d) name(%s) "
+                       "vendor-id(%04x) product-id(%04x) changed_info_type(%d)",
+                       device_id, device_type, io_direction, state, name, vendor_id, product_id, changed_device_info_type);
 
        if (cb_data == NULL) {
                debug_warning("device info changed callback data null");
@@ -773,7 +807,8 @@ static void _mm_sound_device_info_changed_callback_wrapper_func(int device_id, c
        if (!device_is_match_with_mask(device_type, io_direction, state, device_flags))
                return;
 
-       if (_fill_sound_device(&device_h, device_id, device_type, io_direction, state, name, stream_id, stream_num) < 0) {
+       if (_fill_sound_device(&device_h, device_id, device_type, io_direction, state, name,
+                               vendor_id, product_id, stream_id, stream_num) < 0) {
                debug_error("Failed to fill sound device");
                return;
        }
@@ -812,15 +847,16 @@ int mm_sound_client_remove_device_info_changed_callback(unsigned int subs_id)
 }
 
 static void _mm_sound_device_state_changed_callback_wrapper_func(int device_id, const char *device_type,
-                                                                                                                               int io_direction, int state, const char *name,
-                                                                                                                               int *stream_id, int stream_num, void *userdata)
+                                                               int io_direction, int state, const char *name, int vendor_id, int product_id,
+                                                               int *stream_id, int stream_num, void *userdata)
 {
        mm_sound_device_t device_h;
        struct callback_data *cb_data = (struct callback_data*) userdata;
        int device_flags;
 
-       debug_log("[Device State Changed] id(%d) type(%s) direction(%d) state(%d) name(%s)",
-                         device_id, device_type, io_direction, state, name);
+       debug_log("[Device State Changed] id(%d) type(%s) direction(%d) state(%d) name(%s)"
+                       "vendor-id(%04x), product-id(%04x)",
+                       device_id, device_type, io_direction, state, name, vendor_id, product_id);
 
        if (cb_data == NULL) {
                debug_warning("device state changed callback data null");
@@ -832,7 +868,8 @@ static void _mm_sound_device_state_changed_callback_wrapper_func(int device_id,
        if (!device_is_match_with_mask(device_type, io_direction, state, device_flags))
                return;
 
-       if (_fill_sound_device(&device_h, device_id, device_type, io_direction, state, name, stream_id, stream_num) < 0) {
+       if (_fill_sound_device(&device_h, device_id, device_type, io_direction, state, name,
+                               vendor_id, product_id, stream_id, stream_num) < 0) {
                debug_error("Failed to fill sound device");
                return;
        }
@@ -881,7 +918,7 @@ int mm_sound_client_is_stream_on_device(int stream_id, int device_id, bool *is_o
        }
 
        if ((ret = mm_sound_proxy_is_stream_on_device(stream_id, device_id, is_on)) != MM_ERROR_NONE) {
-               debug_error("[Client] failed to query is stream on device, ret[0x%x]", ret);
+               debug_error("failed to query is stream on device, ret[0x%x]", ret);
                goto failed;
        }
 
@@ -989,7 +1026,7 @@ static void _mm_sound_volume_changed_callback_wrapper_func(const char *direction
        volume_type_t volume_type = 0;
        struct callback_data *cb_data = (struct callback_data *) userdata;
 
-       debug_log("[Wrapper CB][Volume Changed] direction : %s, volume_type : %s, volume_level : %d",
+       debug_log("direction : %s, volume_type : %s, volume_level : %d",
                        direction, volume_type_str, volume_level);
 
        if (cb_data == NULL) {
@@ -1033,7 +1070,85 @@ int mm_sound_client_remove_volume_changed_callback(unsigned int subs_id)
        return ret;
 }
 
+int mm_sound_client_set_filter_by_type(const char *stream_type, const char *filter_name, const char *filter_parameters, const char *filter_group)
+{
+       int ret = MM_ERROR_NONE;
+       debug_fenter();
+
+       ret = mm_sound_proxy_set_filter_by_type(stream_type, filter_name, filter_parameters, filter_group);
+
+       debug_fleave();
+       return ret;
+}
+
+int mm_sound_client_unset_filter_by_type(const char *stream_type)
+{
+       int ret = MM_ERROR_NONE;
+       debug_fenter();
+
+       ret = mm_sound_proxy_unset_filter_by_type(stream_type);
+
+       debug_fleave();
+       return ret;
+}
+
+int mm_sound_client_control_filter_by_type(const char *stream_type, const char *filter_name, const char *filter_controls)
+{
+       int ret = MM_ERROR_NONE;
+       debug_fenter();
+
+       ret = mm_sound_proxy_control_filter_by_type(stream_type, filter_name, filter_controls);
+
+       debug_fleave();
+       return ret;
+}
+
 #ifdef USE_FOCUS
+static gboolean _interrupted_completed(gpointer *data)
+{
+       if (!data) {
+               debug_error("data is null");
+               return false;
+       }
+       if (!g_focus_session_interrupt_info.user_cb) {
+               debug_error("user_cb is null");
+               free(data);
+               return false;
+       }
+
+       debug_msg("invoke user_cb(%p)", g_focus_session_interrupt_info.user_cb);
+       (g_focus_session_interrupt_info.user_cb)(FOCUS_IS_RELEASED, (const char *)data, g_focus_session_interrupt_info.user_data);
+       debug_msg("invoked");
+
+       free(data);
+       return false;
+}
+
+static void _session_interrupted_cb(int id, mm_sound_focus_type_e focus_type, mm_sound_focus_state_e state,
+                                    const char *reason_for_change, const char *ext_info, void *user_data)
+{
+       debug_msg("id(%d), focus_type(%d), state(%d), reason(%s)", id, focus_type, state, reason_for_change);
+
+       if (id != g_focus_session_interrupt_info.watch_cb_id) {
+               debug_error("id is not valid(param id:%d, g_focus_session_interrupt_watch_cb_id:%d)",
+                           id, g_focus_session_interrupt_info.watch_cb_id);
+               return;
+       }
+       if (!g_focus_session_interrupt_info.user_cb) {
+               debug_error("user callback is null");
+               return;
+       }
+
+       debug_msg("  >>> invoking session interrupt callback(%p)", g_focus_session_interrupt_info.user_cb);
+       if (state == FOCUS_IS_RELEASED)
+               (g_focus_session_interrupt_info.user_cb)(FOCUS_IS_ACQUIRED, reason_for_change, g_focus_session_interrupt_info.user_data);
+       else {
+               debug_msg("INTERRUPTED COMPLETED case, append it to idle");
+               g_idle_add((GSourceFunc)_interrupted_completed, strdup(reason_for_change));
+       }
+       debug_msg("  <<< session interrupt callback finished");
+}
+
 int mm_sound_client_set_session_interrupt_callback(mm_sound_focus_session_interrupt_cb callback, void* user_data)
 {
        int ret = MM_ERROR_NONE;
@@ -1043,6 +1158,14 @@ int mm_sound_client_set_session_interrupt_callback(mm_sound_focus_session_interr
        if (!callback)
                return MM_ERROR_INVALID_ARGUMENT;
 
+       /* add internal focus watch callback */
+       if (g_focus_session_interrupt_info.watch_cb_id == -1) {
+               if ((ret = mm_sound_client_set_focus_watch_callback(getpid(), FOCUS_FOR_BOTH, true, true, _session_interrupted_cb, NULL,
+                                                                   &g_focus_session_interrupt_info.watch_cb_id))) {
+                       debug_error("failed to mm_sound_client_set_focus_watch_callback(), ret(0x%x)", ret);
+                       return ret;
+               }
+       }
        g_focus_session_interrupt_info.user_cb = callback;
        g_focus_session_interrupt_info.user_data = user_data;
 
@@ -1056,11 +1179,18 @@ int mm_sound_client_unset_session_interrupt_callback(void)
 
        debug_fenter();
 
-       if (!g_focus_session_interrupt_info.user_cb) {
+       if (!g_focus_session_interrupt_info.user_cb || g_focus_session_interrupt_info.watch_cb_id == -1) {
                debug_error("no callback to unset");
                return MM_ERROR_SOUND_INTERNAL;
        }
 
+       /* remove internal focus watch callback */
+       if ((ret = mm_sound_client_unset_focus_watch_callback(g_focus_session_interrupt_info.watch_cb_id))) {
+               debug_error("failed to mm_sound_client_unset_focus_watch_callback(), id(%d), ret(0x%x)",
+                           g_focus_session_interrupt_info.watch_cb_id, ret);
+               return ret;
+       }
+       g_focus_session_interrupt_info.watch_cb_id = -1;
        g_focus_session_interrupt_info.user_cb = NULL;
        g_focus_session_interrupt_info.user_data = NULL;
 
@@ -1073,10 +1203,10 @@ static gpointer _focus_thread_func(gpointer data)
        unsigned int thread_id = (unsigned int)pthread_self();
        GMainLoop *focus_loop = (GMainLoop*)data;
 
-       debug_warning(">>> thread func : thread id(%u), mainloop[%p]", thread_id, focus_loop);
+       debug_warning(">>> thread id(%u), mainloop[%p]", thread_id, focus_loop);
        if (focus_loop)
                g_main_loop_run(focus_loop);
-       debug_warning("<<< quit thread func : thread id(%u), mainloop[%p]", thread_id, focus_loop);
+       debug_warning("<<< quit : thread id(%u), mainloop[%p]", thread_id, focus_loop);
 
        return NULL;
 }
@@ -1149,7 +1279,7 @@ static gboolean _focus_callback_handler(gpointer user_data)
        int tid = 0;
        focus_cb_data_lib cb_data;
 
-       debug_log(">>> _focus_callback_handler(), this thread id(%u)\n", (unsigned int)pthread_self());
+       debug_log(">>> thread id(%u)", (unsigned int)pthread_self());
 
        if (!focus_handle) {
                debug_error("focus_handle is null");
@@ -1188,11 +1318,6 @@ static gboolean _focus_callback_handler(gpointer user_data)
                        (focus_handle->focus_callback)(cb_data.handle, cb_data.type, cb_data.state, cb_data.stream_type,
                                                                                cb_data.option, cb_data.ext_info, focus_handle->user_data);
                        debug_msg("[CALLBACK END]");
-                       if (g_focus_session_interrupt_info.user_cb) {
-                               debug_msg("sending session interrupt callback(%p)", g_focus_session_interrupt_info.user_cb);
-                               g_focus_session_interrupt_info.user_cb(cb_data.state, cb_data.stream_type, false,
-                                                                                                               g_focus_session_interrupt_info.user_data);
-                       }
                }
 #ifdef CONFIG_ENABLE_RETCB
                {
@@ -1204,7 +1329,7 @@ static gboolean _focus_callback_handler(gpointer user_data)
                        if (tmpfd < 0) {
                                char str_error[256];
                                strerror_r(errno, str_error, sizeof(str_error));
-                               debug_warning("[RETCB][Failed(May Server Close First)]tid(%d) fd(%d) %s errno=%d(%s)\n",
+                               debug_warning("[RETCB][Failed(May Server Close First)]tid(%d) fd(%d) %s errno=%d(%s)",
                                                        tid, tmpfd, filename2, errno, str_error);
                                g_free(filename2);
                                g_mutex_unlock(&focus_handle->focus_lock);
@@ -1216,7 +1341,7 @@ static gboolean _focus_callback_handler(gpointer user_data)
                        rett = write(tmpfd, &buf, sizeof(buf));
                        close(tmpfd);
                        g_free(filename2);
-                       debug_msg("[RETCB] tid(%d) finishing CB (write=%d)\n", tid, rett);
+                       debug_msg("[RETCB] tid(%d) finishing CB (write=%d)", tid, rett);
                }
 #endif
        }
@@ -1236,7 +1361,7 @@ static gboolean _focus_watch_callback_handler(gpointer user_data)
        int tid = 0;
        focus_cb_data_lib cb_data;
 
-       debug_log(">>> _focus_watch_callback_handler(), this thread id(%u)\n", (unsigned int)pthread_self());
+       debug_log(">>> thread id(%u)", (unsigned int)pthread_self());
 
        if (!focus_handle) {
                debug_error("focus_handle is null");
@@ -1281,11 +1406,6 @@ static gboolean _focus_watch_callback_handler(gpointer user_data)
                (focus_handle->watch_callback)(cb_data.handle, cb_data.type, cb_data.state, cb_data.stream_type,
                                                                        cb_data.ext_info, focus_handle->user_data);
                debug_msg("[CALLBACK END]");
-               if (g_focus_session_interrupt_info.user_cb) {
-                       debug_msg("sending session interrupt callback(%p)", g_focus_session_interrupt_info.user_cb);
-                       (g_focus_session_interrupt_info.user_cb)(cb_data.state, cb_data.stream_type, true,
-                                                                                                       g_focus_session_interrupt_info.user_data);
-               }
 
 SKIP_CB_AND_RET:
 #ifdef CONFIG_ENABLE_RETCB
@@ -1298,7 +1418,7 @@ SKIP_CB_AND_RET:
                        if (tmpfd < 0) {
                                char str_error[256];
                                strerror_r(errno, str_error, sizeof(str_error));
-                               debug_warning("[RETCB][Failed(May Server Close First)]tid(%d) fd(%d) %s errno=%d(%s)\n",
+                               debug_warning("[RETCB][Failed(May Server Close First)]tid(%d) fd(%d) %s errno=%d(%s)",
                                                        tid, tmpfd, filename2, errno, str_error);
                                g_free(filename2);
                                g_mutex_unlock(&focus_handle->focus_lock);
@@ -1308,7 +1428,7 @@ SKIP_CB_AND_RET:
                        rett = write(tmpfd, &buf, sizeof(buf));
                        close(tmpfd);
                        g_free(filename2);
-                       debug_msg("[RETCB] tid(%d) finishing CB (write=%d)\n", tid, rett);
+                       debug_msg("[RETCB] tid(%d) finishing CB (write=%d)", tid, rett);
                }
 #endif
        }
@@ -1700,9 +1820,8 @@ int mm_sound_client_is_focus_cb_thread(GThread *mine, bool *result)
        return ret;
 }
 
-int mm_sound_client_register_focus(int id, int pid, const char *stream_type,
-                                                               mm_sound_focus_changed_cb callback,
-                                                               bool is_for_session, void* user_data)
+int mm_sound_client_register_focus(int id, int pid, const char *stream_type, bool is_for_session,
+                                   mm_sound_focus_changed_cb callback, void* user_data)
 {
        int ret = MM_ERROR_NONE;
        int instance;
@@ -1729,14 +1848,14 @@ int mm_sound_client_register_focus(int id, int pid, const char *stream_type,
 
        ret = mm_sound_proxy_register_focus(id, pid, stream_type, callback, is_for_session, user_data);
        if (ret == MM_ERROR_NONE) {
-               debug_msg("[Client] Success to register focus\n");
+               debug_msg("Success to register focus");
                g_need_emergent_exit = TRUE;
                if (_focus_init_context(index)) {
                        ret = MM_ERROR_SOUND_INTERNAL;
                        goto cleanup;
                }
        } else {
-               debug_error("[Client] Error occurred : 0x%x \n",ret);
+               debug_error("Error occurred : 0x%x",ret);
                goto cleanup;
        }
 
@@ -1780,9 +1899,9 @@ int mm_sound_client_unregister_focus(int id)
 
        ret = mm_sound_proxy_unregister_focus(instance, id, g_focus_sound_handle[index].is_for_session);
        if (ret == MM_ERROR_NONE)
-               debug_msg("[Client] Success to unregister focus\n");
+               debug_msg("Success to unregister focus");
        else
-               debug_error("[Client] Error occurred : 0x%x \n",ret);
+               debug_error("Error occurred : 0x%x", ret);
 
        g_mutex_unlock(&g_focus_sound_handle[index].focus_lock);
 
@@ -1808,7 +1927,11 @@ int mm_sound_client_set_focus_reacquisition(int id, bool reacquisition, bool is_
        bool result;
 
        debug_fenter();
-       MMSOUND_ENTER_CRITICAL_SECTION_WITH_RETURN(&g_index_mutex, MM_ERROR_SOUND_INTERNAL);
+
+       /* Since the muse server which uses this library for multiple handles executes requests from clients serially,
+        * we can skip locking/unlocking the mutex for this case. */
+       if (!is_for_session)
+               MMSOUND_ENTER_CRITICAL_SECTION_WITH_RETURN(&g_index_mutex, MM_ERROR_SOUND_INTERNAL);
 
        index = _focus_find_index_by_handle(id);
        if (index == -1) {
@@ -1820,25 +1943,26 @@ int mm_sound_client_set_focus_reacquisition(int id, bool reacquisition, bool is_
 
        ret = mm_sound_client_is_focus_cb_thread(g_thread_self(), &result);
        if (ret) {
-               debug_error("[Client] mm_sound_client_is_focus_cb_thread failed");
+               debug_error("mm_sound_client_is_focus_cb_thread failed");
                goto cleanup;
        } else if (!result) {
                ret = mm_sound_proxy_set_focus_reacquisition(instance, id, reacquisition, is_for_session);
                if (ret == MM_ERROR_NONE) {
-                       debug_msg("[Client] Success to set focus reacquisition to [%d]\n", reacquisition);
+                       debug_msg("Success to set focus reacquisition to [%d]", reacquisition);
                } else {
-                       debug_error("[Client] Error occurred : 0x%x \n",ret);
+                       debug_error("Error occurred : 0x%x",ret);
                        goto cleanup;
                }
        } else {
-               debug_warning("[Client] Inside the focus cb thread, set focus reacquisition to [%d]\n", reacquisition);
+               debug_warning("Inside the focus cb thread, set focus reacquisition to [%d]", reacquisition);
        }
 
        g_focus_sound_handle[index].auto_reacquire = reacquisition;
-       debug_msg("[Client] set focus reacquisition(%d) for id(%d)\n", reacquisition, id);
+       debug_msg("set focus reacquisition(%d) for id(%d)", reacquisition, id);
 
 cleanup:
-       MMSOUND_LEAVE_CRITICAL_SECTION(&g_index_mutex);
+       if (!is_for_session)
+               MMSOUND_LEAVE_CRITICAL_SECTION(&g_index_mutex);
        debug_fleave();
        return ret;
 }
@@ -1865,7 +1989,7 @@ int mm_sound_client_get_focus_reacquisition(int id, bool *reacquisition)
        }
 
        *reacquisition = g_focus_sound_handle[index].auto_reacquire;
-       debug_msg("[Client] get focus reacquisition(%d) for id(%d)\n", *reacquisition, id);
+       debug_msg("get focus reacquisition(%d) for id(%d)", *reacquisition, id);
 
 cleanup:
        MMSOUND_LEAVE_CRITICAL_SECTION(&g_index_mutex);
@@ -1876,18 +2000,21 @@ cleanup:
 int mm_sound_client_get_acquired_focus_stream_type(int focus_type, char **stream_type, int *option, char **ext_info)
 {
        int ret = MM_ERROR_NONE;
-       char *ext_str = NULL;
+       char *stream_type_str = NULL;
+       char *ext_info_str = NULL;
 
        debug_fenter();
 
-       ret = mm_sound_proxy_get_acquired_focus_stream_type(focus_type, stream_type, option, &ext_str);
+       ret = mm_sound_proxy_get_acquired_focus_stream_type(focus_type, &stream_type_str, option, &ext_info_str);
        if (ret == MM_ERROR_NONE) {
-               debug_msg("[Client] Success to get stream type of acquired focus, stream_type(%s), ext_info(%s)\n",
-                               *stream_type, ext_str);
-               *ext_info = strdup(ext_str);
-               g_free(ext_str);
+               debug_msg("Success to get stream type of acquired focus, stream_type(%s), ext_info(%s)",
+                         stream_type_str, ext_info_str);
+               *stream_type = strdup(stream_type_str);
+               *ext_info = strdup(ext_info_str);
+               g_free(stream_type_str);
+               g_free(ext_info_str);
        } else {
-               debug_error("[Client] Error occurred : 0x%x \n",ret);
+               debug_error("Error occurred : 0x%x",ret);
        }
 
        debug_fleave();
@@ -1913,9 +2040,9 @@ int mm_sound_client_acquire_focus(int id, mm_sound_focus_type_e type, int option
 
        ret = mm_sound_proxy_acquire_focus(instance, id, type, option, ext_info, g_focus_sound_handle[index].is_for_session);
        if (ret == MM_ERROR_NONE)
-               debug_msg("[Client] Success to acquire focus\n");
+               debug_msg("Success to acquire focus");
        else
-               debug_error("[Client] Error occurred : 0x%x \n",ret);
+               debug_error("Error occurred : 0x%x", ret);
 
 cleanup:
        MMSOUND_LEAVE_CRITICAL_SECTION(&g_index_mutex);
@@ -1942,9 +2069,9 @@ int mm_sound_client_release_focus(int id, mm_sound_focus_type_e type, int option
 
        ret = mm_sound_proxy_release_focus(instance, id, type, option, ext_info, g_focus_sound_handle[index].is_for_session);
        if (ret == MM_ERROR_NONE)
-               debug_msg("[Client] Success to release focus\n");
+               debug_msg("Success to release focus");
        else
-               debug_error("[Client] Error occurred : 0x%x \n",ret);
+               debug_error("Error occurred : 0x%x",ret);
 
 cleanup:
        MMSOUND_LEAVE_CRITICAL_SECTION(&g_index_mutex);
@@ -1958,15 +2085,26 @@ int mm_sound_client_update_stream_focus_status(int id, unsigned int status)
        debug_fenter();
 
        if ((ret = mm_sound_proxy_update_stream_focus_status(id, status)) != MM_ERROR_NONE)
-               debug_error("[Client] failed to update stream focus status, ret[0x%x]", ret);
+               debug_error("failed to update stream focus status, ret[0x%x]", ret);
+
+       debug_fleave();
+       return ret;
+}
+
+int mm_sound_client_deliver_focus(int pid, int src_id, int dst_id, mm_sound_focus_type_e focus_type)
+{
+       int ret = MM_ERROR_NONE;
+       debug_fenter();
+
+       if ((ret = mm_sound_proxy_deliver_focus(pid, src_id, dst_id, focus_type)) != MM_ERROR_NONE)
+               debug_error("failed to deliver focus, ret[0x%x]", ret);
 
        debug_fleave();
        return ret;
 }
 
-int mm_sound_client_set_focus_watch_callback(int pid, mm_sound_focus_type_e focus_type,
-                                                                                       mm_sound_focus_changed_watch_cb callback,
-                                                                                       bool is_for_session, void* user_data, int *id)
+int mm_sound_client_set_focus_watch_callback(int pid, mm_sound_focus_type_e focus_type, bool is_for_session, bool is_for_monitor,
+                                             mm_sound_focus_changed_watch_cb callback, void* user_data, int *id)
 {
        int ret = MM_ERROR_NONE;
        int instance;
@@ -1999,20 +2137,21 @@ int mm_sound_client_set_focus_watch_callback(int pid, mm_sound_focus_type_e focu
        g_focus_sound_handle[index].watch_callback = callback;
        g_focus_sound_handle[index].user_data = user_data;
        g_focus_sound_handle[index].is_for_session = is_for_session;
+       g_focus_sound_handle[index].is_for_monitor = is_for_monitor;
        g_focus_sound_handle[index].unset_watch_callback_requested = false;
 
        ret = mm_sound_proxy_set_focus_watch_callback(pid, g_focus_sound_handle[index].handle, focus_type,
-                                                                                               callback, is_for_session, user_data);
+                                                     is_for_session, is_for_monitor, callback, user_data);
 
        if (ret == MM_ERROR_NONE) {
-               debug_msg("[Client] Success to watch focus");
+               debug_msg("Success to watch focus");
                g_need_emergent_exit = TRUE;
                if (_focus_init_context(index)) {
                        ret = MM_ERROR_SOUND_INTERNAL;
                        goto cleanup;
                }
        } else {
-               debug_error("[Client] Error occurred : 0x%x",ret);
+               debug_error("Error occurred : 0x%x",ret);
                goto cleanup;
        }
 
@@ -2070,13 +2209,13 @@ int mm_sound_client_unset_focus_watch_callback(int id)
        g_focus_sound_handle[index].is_used = false;
 
        ret = mm_sound_proxy_unset_focus_watch_callback(g_focus_sound_handle[index].focus_tid,
-                                                                                                       g_focus_sound_handle[index].handle,
-                                                                                                       g_focus_sound_handle[index].is_for_session);
+                                                       g_focus_sound_handle[index].handle,
+                                                       g_focus_sound_handle[index].is_for_session);
 
        if (ret == MM_ERROR_NONE)
-               debug_msg("[Client] Success to unwatch focus\n");
+               debug_msg("Success to unwatch focus");
        else
-               debug_error("[Client] Error occurred : 0x%x \n",ret);
+               debug_error("Error occurred : 0x%x",ret);
 
 
        g_mutex_unlock(&g_focus_sound_handle[index].focus_lock);
@@ -2109,11 +2248,11 @@ static gboolean _idle_event_callback(void *data)
        switch (idle_event_data->type) {
        case IDLE_EVENT_TYPE_UNSET_FOCUS_WATCH_CB:
                if ((ret = mm_sound_client_unset_focus_watch_callback(idle_event_data->data)))
-                       debug_error("Could not unset focus watch callback, id(%d), ret = %x\n", idle_event_data->data, ret);
+                       debug_error("Could not unset focus watch callback, id(%d), ret = %x", idle_event_data->data, ret);
                break;
        case IDLE_EVENT_TYPE_UNREGISTER_FOCUS:
                if ((ret = mm_sound_client_unregister_focus(idle_event_data->data)))
-                       debug_error("Could not unregister focus, id(%d), ret = %x\n", idle_event_data->data, ret);
+                       debug_error("Could not unregister focus, id(%d), ret = %x", idle_event_data->data, ret);
                break;
        default:
                debug_warning("invalid type(%d)", idle_event_data->type);
@@ -2133,7 +2272,7 @@ int mm_sound_client_execute_focus_func_in_main_context(focus_idle_event_type_e t
 {
        focus_idle_event_t *idle_event_data = NULL;
 
-       if (IDLE_EVENT_TYPE_UNSET_FOCUS_WATCH_CB > type || IDLE_EVENT_TYPE_MAX < type)
+       if (IDLE_EVENT_TYPE_MAX < type)
                return MM_ERROR_INVALID_ARGUMENT;
 
        MMSOUND_ENTER_CRITICAL_SECTION_WITH_RETURN(&g_event_mutex, MM_ERROR_SOUND_INTERNAL);