Add a stub for IKE event counters in stroke

src/libcharon/plugins/stroke/Makefile.am

@@ -22,6 +22,7 @@ libstrongswan_stroke_la_SOURCES = \
 	stroke_ca.h stroke_ca.c \
 	stroke_attribute.h stroke_attribute.c \
 	stroke_handler.h stroke_handler.c \
+	stroke_counter.h stroke_counter.c \
 	stroke_list.h stroke_list.c
 
 libstrongswan_stroke_la_LDFLAGS = -module -avoid-version

src/libcharon/plugins/stroke/stroke_counter.c

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2012 Martin Willi
+ * Copyright (C) 2012 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#include "stroke_counter.h"
+
+typedef struct private_stroke_counter_t private_stroke_counter_t;
+
+/**
+ * Private data of an stroke_counter_t object.
+ */
+struct private_stroke_counter_t {
+
+	/**
+	 * Public stroke_counter_t interface.
+	 */
+	stroke_counter_t public;
+
+};
+
+METHOD(stroke_counter_t, destroy, void,
+	private_stroke_counter_t *this)
+{
+	free(this);
+}
+
+/**
+ * See header
+ */
+stroke_counter_t *stroke_counter_create()
+{
+	private_stroke_counter_t *this;
+
+	INIT(this,
+		.public = {
+			.destroy = _destroy,
+		},
+	);
+
+	return &this->public;
+}

src/libcharon/plugins/stroke/stroke_counter.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2012 Martin Willi
+ * Copyright (C) 2012 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup stroke_counter stroke_counter
+ * @{ @ingroup stroke
+ */
+
+#ifndef STROKE_COUNTER_H_
+#define STROKE_COUNTER_H_
+
+#include <bus/listeners/listener.h>
+
+typedef struct stroke_counter_t stroke_counter_t;
+
+/**
+ * Collection of counter values for different IKE events.
+ */
+struct stroke_counter_t {
+
+	/**
+	 * Implements listener_t.
+	 */
+	listener_t listener;
+
+	/**
+	 * Destroy a stroke_counter_t.
+	 */
+	void (*destroy)(stroke_counter_t *this);
+};
+
+/**
+ * Create a stroke_counter instance.
+ */
+stroke_counter_t *stroke_counter_create();
+
+#endif /** STROKE_COUNTER_H_ @}*/

src/libcharon/plugins/stroke/stroke_socket.c

@@ -39,6 +39,7 @@
 #include "stroke_attribute.h"
 #include "stroke_handler.h"
 #include "stroke_list.h"
+#include "stroke_counter.h"
 
 /**
  * To avoid clogging the thread pool with (blocking) jobs, we limit the number
@@ -123,6 +124,11 @@ struct private_stroke_socket_t {
 	 * status information logging
 	 */
 	stroke_list_t *list;
+
+	/**
+	 * Counter values for IKE events
+	 */
+	stroke_counter_t *counter;
 };
 
 /**
@@ -781,6 +787,7 @@ METHOD(stroke_socket_t, destroy, void,
 	charon->backends->remove_backend(charon->backends, &this->config->backend);
 	hydra->attributes->remove_provider(hydra->attributes, &this->attribute->provider);
 	hydra->attributes->remove_handler(hydra->attributes, &this->handler->handler);
+	charon->bus->remove_listener(charon->bus, &this->counter->listener);
 	this->cred->destroy(this->cred);
 	this->ca->destroy(this->ca);
 	this->config->destroy(this->config);
@@ -788,6 +795,7 @@ METHOD(stroke_socket_t, destroy, void,
 	this->handler->destroy(this->handler);
 	this->control->destroy(this->control);
 	this->list->destroy(this->list);
+	this->counter->destroy(this->counter);
 	free(this);
 }
 
@@ -817,6 +825,7 @@ stroke_socket_t *stroke_socket_create()
 	this->config = stroke_config_create(this->ca, this->cred, this->attribute);
 	this->control = stroke_control_create();
 	this->list = stroke_list_create(this->attribute);
+	this->counter = stroke_counter_create();
 
 	this->mutex = mutex_create(MUTEX_TYPE_DEFAULT);
 	this->condvar = condvar_create(CONDVAR_TYPE_DEFAULT);
@@ -830,6 +839,7 @@ stroke_socket_t *stroke_socket_create()
 	charon->backends->add_backend(charon->backends, &this->config->backend);
 	hydra->attributes->add_provider(hydra->attributes, &this->attribute->provider);
 	hydra->attributes->add_handler(hydra->attributes, &this->handler->handler);
+	charon->bus->add_listener(charon->bus, &this->counter->listener);
 
 	lib->processor->queue_job(lib->processor,
 		(job_t*)callback_job_create_with_prio((callback_job_cb_t)receive, this,