android: Power off controller when daemon gets killed

diff --git a/android/main.c b/android/main.c
index 57d5a84..2300423 100644 (file)
--- a/android/main.c
+++ b/android/main.c
@@ -60,6 +60,9 @@
 #include <sys/capability.h>
 #endif
 
+#define STARTUP_GRACE_SECONDS 5
+#define SHUTDOWN_GRACE_SECONDS 10
+
 static GMainLoop *event_loop;
 static struct mgmt *mgmt_if = NULL;
 
@@ -317,6 +320,37 @@ static gboolean cmd_connect_cb(GIOChannel *io, GIOCondition cond,
        return FALSE;
 }
 
+static void shutdown_complete(uint8_t status, uint16_t length,
+                                       const void *param, void *user_data)
+{
+       if (status != MGMT_STATUS_SUCCESS)
+               error("Clean controller shutdown failed");
+
+       g_main_loop_quit(event_loop);
+}
+
+static void shutdown_controller(void)
+{
+       struct mgmt_mode cp;
+
+       info("Switching controller off");
+
+       memset(&cp, 0, sizeof(cp));
+       cp.val = 0x00;
+
+       if (mgmt_send(mgmt_if, MGMT_OP_SET_POWERED, adapter_index,
+                       sizeof(cp), &cp, shutdown_complete, NULL, NULL) > 0)
+               return;
+
+       g_main_loop_quit(event_loop);
+}
+
+static gboolean quit_eventloop(gpointer user_data)
+{
+       g_main_loop_quit(event_loop);
+       return FALSE;
+}
+
 static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
                                                        gpointer user_data)
 {
@@ -339,7 +373,12 @@ static gboolean signal_handler(GIOChannel *channel, GIOCondition cond,
        case SIGTERM:
                if (!__terminated) {
                        info("Terminating");
-                       g_main_loop_quit(event_loop);
+                       if (adapter_index != MGMT_INDEX_NONE) {
+                               g_timeout_add_seconds(SHUTDOWN_GRACE_SECONDS,
+                                                       quit_eventloop, NULL);
+                               shutdown_controller();
+                       } else
+                               g_main_loop_quit(event_loop);
                }
 
                __terminated = true;
@@ -481,8 +520,8 @@ static void read_index_list_complete(uint8_t status, uint16_t length,
                return;
 
        if (num < 1) {
-               adapter_timeout = g_timeout_add_seconds(5,
-                                       adapter_timeout_handler, NULL);
+               adapter_timeout = g_timeout_add_seconds(STARTUP_GRACE_SECONDS,
+                                               adapter_timeout_handler, NULL);
                if (adapter_timeout == 0) {
                        error("%s: Failed init timeout", __func__);
                        g_main_loop_quit(event_loop);