Add signal handling for P2P Tethering

[platform/core/api/tethering.git] / src / tethering_private.c

diff --git a/src/tethering_private.c b/src/tethering_private.c
index 1bdc1a0..aa81905 100755 (executable)
--- a/src/tethering_private.c
+++ b/src/tethering_private.c
@@ -14,33 +14,110 @@
 * limitations under the License.
 */
 
+#define _GNU_SOURCE
+#include <pthread.h>
 #include <stdlib.h>
 #include <string.h>
 #include <system_info.h>
 #include "tethering_private.h"
 
-int tethering_check_feature_supported(const char* feature, ...)
+static pthread_mutex_t g_tethering_thread_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
+static bool is_feature_checked[TETHERING_SUPPORTED_FEATURE_MAX] = {0, };
+static bool feature_supported[TETHERING_SUPPORTED_FEATURE_MAX] = {0, };
+static GSList *tethering_handle_list = NULL;
+
+void _tethering_lock(void)
+{
+       pthread_mutex_lock(&g_tethering_thread_mutex);
+}
+
+void _tethering_unlock(void)
+{
+       pthread_mutex_unlock(&g_tethering_thread_mutex);
+}
+
+bool __check_feature_supported(const char *key, tethering_supported_feature_e feature)
+{
+       TETHERING_LOCK;
+       bool is_supported = false;
+
+       if (!is_feature_checked[feature]) {
+               if (system_info_get_platform_bool(key, &feature_supported[feature]) < 0) {
+                       ERR("Get feature is failed");
+                       TETHERING_UNLOCK;
+                       return false;
+               }
+
+               is_feature_checked[feature] = true;
+       }
+
+       is_supported = feature_supported[feature];
+
+       TETHERING_UNLOCK;
+       return is_supported;
+}
+
+int _tethering_check_feature_supported(const char* feature, ...)
 {
        va_list list;
        const char *key;
-       int ret;
-       bool value, supported = false;
+       bool value = false;
+       bool supported = false;
 
        va_start(list, feature);
        key = feature;
+
        while (1) {
-               ret = system_info_get_platform_bool(key, &value);
-               if (ret < 0) {
-                       ERR("Get feature is failed\n");
-                       return TETHERING_ERROR_OPERATION_FAILED;
-               }
+               if ((strcmp(key, TETHERING_FEATURE) == 0))
+                       value = __check_feature_supported(key, TETHERING_SUPPORTED_FEATURE);
+               if ((strcmp(key, TETHERING_WIFI_FEATURE) == 0))
+                       value = __check_feature_supported(key, TETHERING_SUPPORTED_FEATURE_WIFI);
+               if ((strcmp(key, TETHERING_BT_FEATURE) == 0))
+                       value = __check_feature_supported(key, TETHERING_SUPPORTED_FEATURE_BT);
+               if ((strcmp(key, TETHERING_USB_FEATURE) == 0))
+                       value = __check_feature_supported(key, TETHERING_SUPPORTED_FEATURE_USB);
+
                supported |= value;
                key = va_arg(list, const char *);
                if (!key) break;
        }
 
-       if (!supported)
+       if (!supported) {
+               ERR("Not supported feature");
+               set_last_result(TETHERING_ERROR_NOT_SUPPORT_API);
+               va_end(list);
                return TETHERING_ERROR_NOT_SUPPORT_API;
+       }
+       va_end(list);
+       set_last_result(TETHERING_ERROR_NONE);
 
        return TETHERING_ERROR_NONE;
 }
+
+void _tethering_add_handle(tethering_h handle)
+{
+       TETHERING_LOCK;
+       tethering_handle_list = g_slist_append(tethering_handle_list, handle);
+       TETHERING_UNLOCK;
+}
+
+void _tethering_remove_handle(tethering_h handle)
+{
+       TETHERING_LOCK;
+       tethering_handle_list = g_slist_remove(tethering_handle_list, handle);
+       TETHERING_UNLOCK;
+}
+
+bool _tethering_check_handle(tethering_h handle)
+{
+       TETHERING_LOCK;
+
+       if (g_slist_find(tethering_handle_list, handle) != NULL) {
+               TETHERING_UNLOCK;
+               return true;
+       }
+
+       TETHERING_UNLOCK;
+       return false;
+}
+