Client Characteristic Configuration for Service Changed Characteristic
should be stored for every bonded device, so we know if we should be
sending value (range affected by changes) indication.
---
android/bluetooth.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
android/bluetooth.h | 4 ++++
2 files changed, 56 insertions(+)
diff --git a/android/bluetooth.c b/android/bluetooth.c
index 8ee2025..0a7a81a 100644
--- a/android/bluetooth.c
+++ b/android/bluetooth.c
@@ -158,6 +158,7 @@ struct device {
bool valid_local_csrk;
uint8_t local_csrk[16];
uint32_t local_sign_cnt;
+ uint16_t gatt_ccc;
};
struct browse_req {
@@ -645,6 +646,51 @@ static void mgmt_dev_class_changed_event(uint16_t index, uint16_t length,
/* TODO: Gatt attrib set*/
}
+void bt_store_gatt_ccc(const bdaddr_t *dst, uint16_t value)
+{
+ struct device *dev;
+ GKeyFile *key_file;
+ gsize length = 0;
+ char addr[18];
+ char *data;
+
+ key_file = g_key_file_new();
+
+ dev = find_device(dst);
+ if (!dev)
+ return;
+
+ if (!g_key_file_load_from_file(key_file, DEVICES_FILE, 0, NULL)) {
+ g_key_file_free(key_file);
+ return;
+ }
+
+ ba2str(dst, addr);
+
+ DBG("%s Gatt CCC %d", addr, value);
+
+ g_key_file_set_integer(key_file, addr, "GattCCC", value);
+
+ data = g_key_file_to_data(key_file, &length, NULL);
+ g_file_set_contents(DEVICES_FILE, data, length, NULL);
+ g_free(data);
+
+ g_key_file_free(key_file);
+
+ dev->gatt_ccc = value;
+}
+
+uint16_t bt_get_gatt_ccc(const bdaddr_t *addr)
+{
+ struct device *dev;
+
+ dev = find_device(addr);
+ if (!dev)
+ return 0;
+
+ return dev->gatt_ccc;
+}
+
static void store_link_key(const bdaddr_t *dst, const uint8_t *key,
uint8_t type, uint8_t pin_length)
{
@@ -2408,6 +2454,12 @@ static struct device *create_device_from_info(GKeyFile *key_file,
"RemoteCSRKSignCounter", NULL);
}
+ str = g_key_file_get_string(key_file, peer, "GattCCC", NULL);
+ if (str) {
+ dev->gatt_ccc = atoi(str);
+ g_free(str);
+ }
+
str = g_key_file_get_string(key_file, peer, "Name", NULL);
if (str) {
g_free(dev->name);
diff --git a/android/bluetooth.h b/android/bluetooth.h
index 1c14377..b4a5f32 100644
--- a/android/bluetooth.h
+++ b/android/bluetooth.h
@@ -66,3 +66,7 @@ bool bt_get_csrk(const bdaddr_t *addr, enum bt_csrk_type type,
uint8_t key[16], uint32_t *sign_cnt);
void bt_update_sign_counter(const bdaddr_t *addr, enum bt_csrk_type type);
+
+void bt_store_gatt_ccc(const bdaddr_t *addr, uint16_t value);
+
+uint16_t bt_get_gatt_ccc(const bdaddr_t *addr);
--
2.0.0
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