Added kernel event handler stub.

src/libcharon/Android.mk

@@ -40,6 +40,7 @@ encoding/payloads/transform_substructure.c encoding/payloads/transform_substruct
 encoding/payloads/ts_payload.c encoding/payloads/ts_payload.h \
 encoding/payloads/unknown_payload.c encoding/payloads/unknown_payload.h \
 encoding/payloads/vendor_id_payload.c encoding/payloads/vendor_id_payload.h \
+kernel/kernel_handler.c kernel/kernel_handler.h \
 kernel/kernel_interface.c kernel/kernel_interface.h \
 kernel/kernel_ipsec.c kernel/kernel_ipsec.h \
 kernel/kernel_net.h \

src/libcharon/Makefile.am

@@ -38,6 +38,7 @@ encoding/payloads/transform_substructure.c encoding/payloads/transform_substruct
 encoding/payloads/ts_payload.c encoding/payloads/ts_payload.h \
 encoding/payloads/unknown_payload.c encoding/payloads/unknown_payload.h \
 encoding/payloads/vendor_id_payload.c encoding/payloads/vendor_id_payload.h \
+kernel/kernel_handler.c kernel/kernel_handler.h \
 kernel/kernel_interface.c kernel/kernel_interface.h \
 kernel/kernel_ipsec.c kernel/kernel_ipsec.h \
 kernel/kernel_net.h \

src/libcharon/daemon.c

@@ -34,6 +34,7 @@
 #include <library.h>
 #include <hydra.h>
 #include <config/proposal.h>
+#include <kernel/kernel_handler.h>
 
 #ifndef LOG_AUTHPRIV /* not defined on OpenSolaris */
 #define LOG_AUTHPRIV LOG_AUTH
@@ -50,6 +51,11 @@ struct private_daemon_t {
 	 */
 	daemon_t public;
 
+	/**
+	 * Handler for kernel events
+	 */
+	kernel_handler_t *kernel_handler;
+
 	/**
 	 * capabilities to keep
 	 */
@@ -111,6 +117,7 @@ static void destroy(private_daemon_t *this)
 #endif /* CAPABILITIES_LIBCAP */
 	DESTROY_IF(this->public.traps);
 	DESTROY_IF(this->public.ike_sa_manager);
+	DESTROY_IF(this->kernel_handler);
 	DESTROY_IF(this->public.kernel_interface);
 	DESTROY_IF(this->public.scheduler);
 	DESTROY_IF(this->public.controller);
@@ -364,6 +371,7 @@ METHOD(daemon_t, initialize, bool,
 	this->public.sim = sim_manager_create();
 	this->public.backends = backend_manager_create();
 	this->public.kernel_interface = kernel_interface_create();
+	this->kernel_handler = kernel_handler_create();
 	this->public.socket = socket_manager_create();
 	this->public.traps = trap_manager_create();
 

src/libcharon/kernel/kernel_handler.c

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2010 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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 "kernel_handler.h"
+
+#include <daemon.h>
+
+typedef struct private_kernel_handler_t private_kernel_handler_t;
+
+/**
+ * Private data of a kernel_handler_t object.
+ */
+struct private_kernel_handler_t {
+
+	/**
+	 * Public part of kernel_handler_t object.
+	 */
+	kernel_handler_t public;
+
+};
+
+METHOD(kernel_handler_t, destroy, void,
+	   private_kernel_handler_t *this)
+{
+	charon->kernel_interface->remove_listener(charon->kernel_interface,
+											  &this->public.listener);
+	free(this);
+}
+
+kernel_handler_t *kernel_handler_create()
+{
+	private_kernel_handler_t *this;
+
+	INIT(this,
+		.public = {
+			.listener = {
+				.acquire = NULL,
+			},
+			.destroy = _destroy,
+		},
+	);
+
+	charon->kernel_interface->add_listener(charon->kernel_interface,
+										   &this->public.listener);
+
+	return &this->public;
+}
+

src/libcharon/kernel/kernel_handler.h

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2010 Tobias Brunner
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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 kernel_handler kernel_handler
+ * @{ @ingroup kernel
+ */
+
+#ifndef KERNEL_HANDLER_H_
+#define KERNEL_HANDLER_H_
+
+typedef struct kernel_handler_t kernel_handler_t;
+
+#include <kernel/kernel_listener.h>
+
+/**
+ * Listens to and handles kernel events.
+ */
+struct kernel_handler_t {
+
+	/**
+	 * Implements the kernel listener interface.
+	 */
+	kernel_listener_t listener;
+
+	/**
+	 * Destroy this instance.
+	 */
+	void (*destroy)(kernel_handler_t *this);
+
+};
+
+/**
+ * Create an object of type kernel_handler_t.
+ */
+kernel_handler_t *kernel_handler_create();
+
+#endif /** KERNEL_HANDLER_H_ @}*/