From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Start Android Bluetooth daemon from HAL init(). Make sure
that daemon is in "running" state.
---
android/hal_bluetooth.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 53 insertions(+), 1 deletion(-)
diff --git a/android/hal_bluetooth.c b/android/hal_bluetooth.c
index 5298618..036091e 100644
--- a/android/hal_bluetooth.c
+++ b/android/hal_bluetooth.c
@@ -23,11 +23,16 @@
#include <hardware/bluetooth.h>
#include <hardware/bt_sock.h>
+#include <cutils/sockets.h>
+#include <cutils/properties.h>
+
#define LOG_TAG "BlueZ"
#include <cutils/log.h>
#include "hal.h"
+#define ANDROID_BLUEZ "bluezd"
+
bt_callbacks_t *bt_hal_cbacks = NULL;
static bool interface_ready(void)
@@ -35,6 +40,49 @@ static bool interface_ready(void)
return bt_hal_cbacks != NULL;
}
+static bool is_running(const char *service_name)
+{
+ char val[PROPERTY_VALUE_MAX];
+ char name[PROPERTY_KEY_MAX];
+ int ret;
+
+ ALOGI(__func__);
+
+ ret = snprintf(name, sizeof(name), "init.svc.%s", service_name);
+ if (ret > (int) sizeof(name) - 1) {
+ ALOGD("Service name '%s' is too long", service_name);
+ return false;
+ }
+
+ if (property_get(name, val, NULL)) {
+ if (strcmp(val, "running") == 0)
+ return true;
+ }
+
+ return false;
+}
+
+static bool start_bt_daemon(void)
+{
+ int tries = 40; /* wait 4 seconds for completion */
+
+ ALOGI(__func__);
+
+ /* Start Android Bluetooth daemon service */
+ property_set("ctl.start", ANDROID_BLUEZ);
+
+ while (tries-- > 0) {
+ if (is_running(ANDROID_BLUEZ) == true) {
+ ALOGI("Android BlueZ daemon started");
+ return true;
+ }
+
+ usleep(100000);
+ }
+
+ return false;
+}
+
static bool is_profile(const char *profile, const char *str)
{
return (strlen(str) == strlen(profile)) &&
@@ -51,7 +99,11 @@ static int init(bt_callbacks_t *callbacks)
/* store reference to user callbacks */
bt_hal_cbacks = callbacks;
- /* TODO: Init here bluezd task */
+ if (start_bt_daemon() == true) {
+ /* TODO: open channel */
+
+ return BT_STATUS_SUCCESS;
+ }
return BT_STATUS_UNSUPPORTED;
}
--
1.7.10.4
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