[BlueZ PATCH v7 4/7] adapter: Clear all Adv monitors upon bring-up

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This clears all Adv monitors upon daemon bring-up by issuing
MGMT_OP_REMOVE_ADV_MONITOR command with monitor_handle 0.

The following test was performed:
- Add an Adv Monitor using btmgmt, restart bluetoothd and observe the
monitor got removed.

Reviewed-by: Alain Michaud <alainm@xxxxxxxxxxxx>
Reviewed-by: Manish Mandlik <mmandlik@xxxxxxxxxxxx>
Reviewed-by: Howard Chung <howardchung@xxxxxxxxxx>
---

(no changes since v1)

 src/adapter.c | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/src/adapter.c b/src/adapter.c
index 0e3fd57f3..0f855d848 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -9509,6 +9509,43 @@ failed:
 	btd_adapter_unref(adapter);
 }
 
+static void reset_adv_monitors_complete(uint8_t status, uint16_t length,
+					const void *param, void *user_data)
+{
+	const struct mgmt_rp_remove_adv_monitor *rp = param;
+
+	if (status != MGMT_STATUS_SUCCESS) {
+		error("Failed to reset Adv Monitors: %s (0x%02x)",
+			mgmt_errstr(status), status);
+		return;
+	}
+
+	if (length < sizeof(*rp)) {
+		error("Wrong size of remove Adv Monitor response for reset "
+			"all Adv Monitors");
+		return;
+	}
+
+	DBG("Removed all Adv Monitors");
+}
+
+static void reset_adv_monitors(uint16_t index)
+{
+	struct mgmt_cp_remove_adv_monitor cp;
+
+	DBG("sending remove Adv Monitor command with handle 0");
+
+	/* Handle 0 indicates to remove all */
+	cp.monitor_handle = 0;
+	if (mgmt_send(mgmt_master, MGMT_OP_REMOVE_ADV_MONITOR, index,
+			sizeof(cp), &cp, reset_adv_monitors_complete, NULL,
+			NULL) > 0) {
+		return;
+	}
+
+	error("Failed to reset Adv Monitors");
+}
+
 static void index_added(uint16_t index, uint16_t length, const void *param,
 							void *user_data)
 {
@@ -9523,6 +9560,8 @@ static void index_added(uint16_t index, uint16_t length, const void *param,
 		return;
 	}
 
+	reset_adv_monitors(index);
+
 	adapter = btd_adapter_new(index);
 	if (!adapter) {
 		btd_error(index,
-- 
2.26.2




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