Hi Marcel,
Adding priority field for plugins.
Let me know if anything needs modifications.
Cheers,
Alok.
From de02d49db85b7cab49fb920d21da3c1109250510 Mon Sep 17 00:00:00 2001
From: Alok Barsode <alok.barsode@xxxxxxxxxx>
Date: Mon, 20 Apr 2009 20:40:10 +0530
Subject: [PATCH] Add priority field to plugin descriptor definition and
load plugins in priority order.
---
audio/main.c | 2 +-
input/main.c | 2 +-
network/main.c | 2 +-
plugins/echo.c | 2 +-
plugins/hal.c | 2 +-
plugins/netlink.c | 2 +-
plugins/service.c | 2 +-
plugins/storage.c | 2 +-
serial/main.c | 2 +-
src/plugin.c | 29 ++++++++++++++++++++++-------
src/plugin.h | 8 ++++++--
11 files changed, 37 insertions(+), 18 deletions(-)
diff --git a/audio/main.c b/audio/main.c
index 565c83b..c481b69 100644
--- a/audio/main.c
+++ b/audio/main.c
@@ -176,4 +176,4 @@ static void audio_exit(void)
dbus_connection_unref(connection);
}
-BLUETOOTH_PLUGIN_DEFINE("audio", VERSION, audio_init, audio_exit)
+BLUETOOTH_PLUGIN_DEFINE("audio", VERSION, PLUGIN_PRIORITY_DEFAULT, audio_init, audio_exit)
diff --git a/input/main.c b/input/main.c
index 010b731..51ded43 100644
--- a/input/main.c
+++ b/input/main.c
@@ -82,4 +82,4 @@ static void input_exit(void)
dbus_connection_unref(connection);
}
-BLUETOOTH_PLUGIN_DEFINE("input", VERSION, input_init, input_exit)
+BLUETOOTH_PLUGIN_DEFINE("input", VERSION, PLUGIN_PRIORITY_DEFAULT, input_init, input_exit)
diff --git a/network/main.c b/network/main.c
index 5f96d4b..5074f4e 100644
--- a/network/main.c
+++ b/network/main.c
@@ -55,4 +55,4 @@ static void network_exit(void)
dbus_connection_unref(connection);
}
-BLUETOOTH_PLUGIN_DEFINE("network", VERSION, network_init, network_exit)
+BLUETOOTH_PLUGIN_DEFINE("network", VERSION, PLUGIN_PRIORITY_DEFAULT, network_init, network_exit)
diff --git a/plugins/echo.c b/plugins/echo.c
index 832bf8b..6f918e8 100644
--- a/plugins/echo.c
+++ b/plugins/echo.c
@@ -163,4 +163,4 @@ static void echo_exit(void)
btd_unregister_adapter_driver(&echo_server);
}
-BLUETOOTH_PLUGIN_DEFINE("echo", VERSION, echo_init, echo_exit)
+BLUETOOTH_PLUGIN_DEFINE("echo", VERSION, PLUGIN_PRIORITY_DEFAULT, echo_init, echo_exit)
diff --git a/plugins/hal.c b/plugins/hal.c
index 219b46e..f2d3083 100644
--- a/plugins/hal.c
+++ b/plugins/hal.c
@@ -158,4 +158,4 @@ static void hal_exit(void)
btd_unregister_adapter_driver(&hal_driver);
}
-BLUETOOTH_PLUGIN_DEFINE("hal", VERSION, hal_init, hal_exit)
+BLUETOOTH_PLUGIN_DEFINE("hal", VERSION, PLUGIN_PRIORITY_DEFAULT, hal_init, hal_exit)
diff --git a/plugins/netlink.c b/plugins/netlink.c
index f777cf9..c50dd77 100644
--- a/plugins/netlink.c
+++ b/plugins/netlink.c
@@ -123,4 +123,4 @@ static void netlink_exit(void)
nl_handle_destroy(handle);
}
-BLUETOOTH_PLUGIN_DEFINE("netlink", VERSION, netlink_init, netlink_exit)
+BLUETOOTH_PLUGIN_DEFINE("netlink", VERSION, PLUGIN_PRIORITY_DEFAULT, netlink_init, netlink_exit)
diff --git a/plugins/service.c b/plugins/service.c
index b28c9c1..5bca625 100644
--- a/plugins/service.c
+++ b/plugins/service.c
@@ -859,4 +859,4 @@ static void service_exit(void)
dbus_connection_unref(connection);
}
-BLUETOOTH_PLUGIN_DEFINE("service", VERSION, service_init, service_exit)
+BLUETOOTH_PLUGIN_DEFINE("service", VERSION, PLUGIN_PRIORITY_DEFAULT, service_init, service_exit)
diff --git a/plugins/storage.c b/plugins/storage.c
index c4dbe16..3e79b8a 100644
--- a/plugins/storage.c
+++ b/plugins/storage.c
@@ -39,4 +39,4 @@ static void storage_exit(void)
{
}
-BLUETOOTH_PLUGIN_DEFINE("storage", VERSION, storage_init, storage_exit)
+BLUETOOTH_PLUGIN_DEFINE("storage", VERSION, PLUGIN_PRIORITY_DEFAULT, storage_init, storage_exit)
diff --git a/serial/main.c b/serial/main.c
index 5db389c..509cc38 100644
--- a/serial/main.c
+++ b/serial/main.c
@@ -55,4 +55,4 @@ static void serial_exit(void)
dbus_connection_unref(connection);
}
-BLUETOOTH_PLUGIN_DEFINE("serial", VERSION, serial_init, serial_exit)
+BLUETOOTH_PLUGIN_DEFINE("serial", VERSION, PLUGIN_PRIORITY_DEFAULT, serial_init, serial_exit)
diff --git a/src/plugin.c b/src/plugin.c
index 051c33c..a17a7ea 100644
--- a/src/plugin.c
+++ b/src/plugin.c
@@ -43,9 +43,18 @@ static GSList *plugins = NULL;
struct bluetooth_plugin {
void *handle;
+ gboolean active;
struct bluetooth_plugin_desc *desc;
};
+static gint compare_priority(gconstpointer a, gconstpointer b)
+{
+ const struct bluetooth_plugin *plugin1 = a;
+ const struct bluetooth_plugin *plugin2 = b;
+
+ return plugin2->desc->priority - plugin1->desc->priority;
+}
+
static gboolean add_plugin(void *handle, struct bluetooth_plugin_desc *desc)
{
struct bluetooth_plugin *plugin;
@@ -63,14 +72,10 @@ static gboolean add_plugin(void *handle, struct bluetooth_plugin_desc *desc)
return FALSE;
plugin->handle = handle;
+ plugin->active = FALSE;
plugin->desc = desc;
- if (desc->init() < 0) {
- g_free(plugin);
- return FALSE;
- }
-
- plugins = g_slist_append(plugins, plugin);
+ plugins = g_slist_insert_sorted(plugins, plugin, compare_priority);
return TRUE;
}
@@ -98,6 +103,7 @@ static gboolean is_disabled(const char *name, char **list)
gboolean plugin_init(GKeyFile *config)
{
+ GSList *list;
GDir *dir;
const gchar *file;
gchar **disabled;
@@ -171,6 +177,15 @@ gboolean plugin_init(GKeyFile *config)
g_strfreev(disabled);
+ for (list = plugins; list; list = list->next) {
+ struct bluetooth_plugin *plugin = list->data;
+
+ if (plugin->desc->init() < 0)
+ continue;
+
+ plugin->active = TRUE;
+ }
+
return TRUE;
}
@@ -183,7 +198,7 @@ void plugin_cleanup(void)
for (list = plugins; list; list = list->next) {
struct bluetooth_plugin *plugin = list->data;
- if (plugin->desc->exit)
+ if (plugin->active == TRUE && plugin->desc->exit)
plugin->desc->exit();
dlclose(plugin->handle);
diff --git a/src/plugin.h b/src/plugin.h
index 62d5f75..2cd50f7 100644
--- a/src/plugin.h
+++ b/src/plugin.h
@@ -20,17 +20,21 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
+#define PLUGIN_PRIORITY_LOW -100
+#define PLUGIN_PRIORITY_DEFAULT 0
+#define PLUGIN_PRIORITY_HIGH 100
struct bluetooth_plugin_desc {
const char *name;
const char *version;
+ int priority;
int (*init) (void);
void (*exit) (void);
};
-#define BLUETOOTH_PLUGIN_DEFINE(name,version,init,exit) \
+#define BLUETOOTH_PLUGIN_DEFINE(name,version, priority, init,exit) \
extern struct bluetooth_plugin_desc bluetooth_plugin_desc \
__attribute__ ((visibility("default"))); \
struct bluetooth_plugin_desc bluetooth_plugin_desc = { \
- name, version, init, exit \
+ name, version, priority, init, exit \
};
--
1.5.6.3
