Thread (16 messages) flat view 16 messages, 3 authors, 2021-07-28

Re: [Bluez PATCH v3 07/13] plugins/admin_policy: add admin_policy adapter driver

From: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Date: 2021-07-28 17:42:42

Hi Howard,

On Wed, Jul 28, 2021 at 6:16 AM Howard Chung [off-list ref] wrote:
From: Yun-Hao Chung <redacted>

This adds code to register admin_policy driver to adapter when
admin_policy 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 <redacted>
---

(no changes since v1)

 plugins/admin.c        | 67 ++++++++++++++++++++++++++++++++++++++++++
 plugins/admin_policy.c | 67 ++++++++++++++++++++++++++++++++++++++++++
Looks like the old file still being added, besides you should update
your patch description as well since you still mentioning it as
admin_policy in quite a few of them.
quoted hunk ↗ jump to hunk
 2 files changed, 134 insertions(+)
diff --git a/plugins/admin.c b/plugins/admin.c
index 42866bcf7..923e08cb8 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,
diff --git a/plugins/admin_policy.c b/plugins/admin_policy.c
index dd8d89736..2ece87156 100644
--- a/plugins/admin_policy.c
+++ b/plugins/admin_policy.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_policy_init(void)
 {
        DBG("");
+
+       return btd_register_adapter_driver(&admin_policy_driver);
 }

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

 BLUETOOTH_PLUGIN_DEFINE(admin_policy, VERSION,
--
2.32.0.432.gabb21c7263-goog

-- 
Luiz Augusto von Dentz
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