plugin-loader: Add method to print loaded plugins on a given log level

src/charon-cmd/charon-cmd.c

@@ -361,6 +361,7 @@ int main(int argc, char *argv[])
 	}
 	DBG1(DBG_DMN, "Starting charon-cmd IKE client (strongSwan %s, %s %s, %s)",
 		 VERSION, utsname.sysname, utsname.release, utsname.machine);
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
 
 	/* add handler for SEGV and ILL,
 	 * INT, TERM and HUP are handled by sigwait() in run() */

src/charon-nm/charon-nm.c

@@ -212,6 +212,7 @@ int main(int argc, char *argv[])
 		DBG1(DBG_DMN, "initialization failed - aborting charon-nm");
 		goto deinit;
 	}
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
 
 	if (!charon->caps->drop(charon->caps))
 	{

src/charon-tkm/src/charon-tkm.c

@@ -311,6 +311,7 @@ int main(int argc, char *argv[])
 		DBG1(DBG_DMN, "initialization failed - aborting %s", dmn_name);
 		goto deinit;
 	}
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
 
 	/* set global pidfile name depending on daemon name */
 	if (asprintf(&pidfile_name, IPSEC_PIDDIR"/%s.pid", dmn_name) < 0)

src/charon/charon.c

@@ -398,6 +398,7 @@ int main(int argc, char *argv[])
 		DBG1(DBG_DMN, "initialization failed - aborting charon");
 		goto deinit;
 	}
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
 
 	if (check_pidfile())
 	{

src/conftest/conftest.c

@@ -518,6 +518,8 @@ int main(int argc, char *argv[])
 	{
 		return 1;
 	}
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
+
 	if (!load_certs(conftest->test, conftest->suite_dir))
 	{
 		return 1;

src/frontends/android/jni/libandroidbridge/charonservice.c

@@ -565,6 +565,7 @@ JNI_METHOD(CharonVpnService, initializeCharon, void,
 		library_deinit();
 		return;
 	}
+	lib->plugins->status(lib->plugins, LEVEL_CTRL);
 
 	/* add handler for SEGV and ILL etc. */
 	action.sa_handler = segv_handler;

src/libcharon/daemon.c

@@ -538,8 +538,6 @@ METHOD(daemon_t, initialize, bool,
 	{
 		return FALSE;
 	}
-	DBG1(DBG_DMN, "loaded plugins: %s",
-		 lib->plugins->loaded_plugins(lib->plugins));
 
 	this->public.ike_sa_manager = ike_sa_manager_create();
 	if (this->public.ike_sa_manager == NULL)

src/libstrongswan/plugins/plugin_loader.c

@@ -1082,6 +1082,15 @@ METHOD(plugin_loader_t, loaded_plugins, char*,
 	return this->loaded_plugins ?: "";
 }
 
+METHOD(plugin_loader_t, status, void,
+	private_plugin_loader_t *this, level_t level)
+{
+	if (this->loaded_plugins)
+	{
+		dbg(DBG_LIB, level, "loaded plugins: %s", this->loaded_plugins);
+	}
+}
+
 METHOD(plugin_loader_t, destroy, void,
 	private_plugin_loader_t *this)
 {
@@ -1109,6 +1118,7 @@ plugin_loader_t *plugin_loader_create()
 			.create_plugin_enumerator = _create_plugin_enumerator,
 			.has_feature = _has_feature,
 			.loaded_plugins = _loaded_plugins,
+			.status = _status,
 			.destroy = _destroy,
 		},
 		.plugins = linked_list_create(),

src/libstrongswan/plugins/plugin_loader.h

@@ -25,6 +25,7 @@
 typedef struct plugin_loader_t plugin_loader_t;
 
 #include <collections/enumerator.h>
+#include <utils/debug.h>
 
 /* to avoid circular references we can't include plugin_feature.h */
 struct plugin_feature_t;
@@ -109,6 +110,13 @@ struct plugin_loader_t {
 	 */
 	char* (*loaded_plugins)(plugin_loader_t *this);
 
+	/**
+	 * Log status about loaded plugins and features.
+	 *
+	 * @param level			log level to use
+	 */
+	void (*status)(plugin_loader_t *this, level_t level);
+
 	/**
 	 * Unload loaded plugins, destroy plugin_loader instance.
 	 */

src/scepclient/scepclient.c

@@ -929,8 +929,7 @@ int main(int argc, char **argv)
 	{
 		exit_scepclient("plugin loading failed");
 	}
-	DBG1(DBG_APP, "  loaded plugins: %s",
-		 lib->plugins->loaded_plugins(lib->plugins));
+	lib->plugins->status(lib->plugins, LEVEL_DIAG);
 
 	if ((filetype_out == 0) && (!request_ca_certificate))
 	{