2021-07-29 08:58:37

by Yun-hao Chung

[permalink] [raw]
Subject: [Bluez PATCH v5 07/13] plugins/admin: add admin_policy adapter driver

From: Yun-Hao Chung <[email protected]>

This adds code to register admin_policy driver to adapter when
admin plugin is enabled.

The following test steps were performed:
1. restart bluetoothd
2. check if "Admin Policy is enabled" in system log

Reviewed-by: Miao-chen Chou <[email protected]>
---

(no changes since v1)

plugins/admin.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)

diff --git a/plugins/admin.c b/plugins/admin.c
index 42866bcf7be2..923e08cb836b 100644
--- a/plugins/admin.c
+++ b/plugins/admin.c
@@ -12,17 +12,84 @@
#include <config.h>
#endif

+#include "lib/bluetooth.h"
+
+#include "src/adapter.h"
+#include "src/error.h"
#include "src/log.h"
#include "src/plugin.h"

+#include "src/shared/queue.h"
+
+/* |policy_data| has the same life cycle as btd_adapter */
+static struct btd_admin_policy {
+ struct btd_adapter *adapter;
+ uint16_t adapter_id;
+} *policy_data = NULL;
+
+static struct btd_admin_policy *admin_policy_new(struct btd_adapter *adapter)
+{
+ struct btd_admin_policy *admin_policy = NULL;
+
+ admin_policy = g_try_malloc(sizeof(*admin_policy));
+ if (!admin_policy) {
+ btd_error(btd_adapter_get_index(adapter),
+ "Failed to allocate memory for admin_policy");
+ return NULL;
+ }
+
+ admin_policy->adapter = adapter;
+ admin_policy->adapter_id = btd_adapter_get_index(adapter);
+
+ return admin_policy;
+}
+
+static void admin_policy_free(void *data)
+{
+ struct btd_admin_policy *admin_policy = data;
+
+ g_free(admin_policy);
+}
+
+static int admin_policy_adapter_probe(struct btd_adapter *adapter)
+{
+ if (policy_data) {
+ btd_warn(policy_data->adapter_id,
+ "Policy data already exists");
+ admin_policy_free(policy_data);
+ policy_data = NULL;
+ }
+
+ policy_data = admin_policy_new(adapter);
+ if (!policy_data)
+ return -ENOMEM;
+
+ btd_info(policy_data->adapter_id, "Admin Policy has been enabled");
+
+ return 0;
+}
+
+static struct btd_adapter_driver admin_policy_driver = {
+ .name = "admin_policy",
+ .probe = admin_policy_adapter_probe,
+ .resume = NULL,
+};
+
static int admin_init(void)
{
DBG("");
+
+ return btd_register_adapter_driver(&admin_policy_driver);
}

static void admin_exit(void)
{
DBG("");
+
+ btd_unregister_adapter_driver(&admin_policy_driver);
+
+ if (policy_data)
+ admin_policy_free(policy_data);
}

BLUETOOTH_PLUGIN_DEFINE(admin, VERSION,
--
2.32.0.554.ge1b32706d8-goog