1 files changed, 129 insertions, 0 deletions
diff --git a/src/libcharon/network/socket_manager.c b/src/libcharon/network/socket_manager.c
new file mode 100644
index 000000000..0dbce4b1b
--- /dev/null
+++ b/src/libcharon/network/socket_manager.c
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2010 Martin Willi
+ * Copyright (C) 2010 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 "socket_manager.h"
+
+#include <daemon.h>
+#include <threading/thread.h>
+#include <threading/rwlock.h>
+#include <utils/linked_list.h>
+
+typedef struct private_socket_manager_t private_socket_manager_t;
+
+/**
+ * Private data of an socket_manager_t object.
+ */
+struct private_socket_manager_t {
+
+	/**
+	 * Public socket_manager_t interface.
+	 */
+	socket_manager_t public;
+
+	/**
+	 * List of registered socket
+	 */
+	linked_list_t *sockets;
+
+	/**
+	 * Lock for sockets list
+	 */
+	rwlock_t *lock;
+};
+
+METHOD(socket_manager_t, receiver, status_t,
+	private_socket_manager_t *this, packet_t **packet)
+{
+	socket_t *socket;
+	status_t status;
+
+	this->lock->read_lock(this->lock);
+	if (this->sockets->get_first(this->sockets, (void**)&socket) != SUCCESS)
+	{
+		DBG1(DBG_NET, "no socket implementation registered, receiving failed");
+		this->lock->unlock(this->lock);
+		return NOT_SUPPORTED;
+	}
+	/* receive is blocking and the thread can be cancelled */
+	thread_cleanup_push((thread_cleanup_t)this->lock->unlock, this->lock);
+	status = socket->receive(socket, packet);
+	thread_cleanup_pop(TRUE);
+	return status;
+}
+
+METHOD(socket_manager_t, sender, status_t,
+	private_socket_manager_t *this, packet_t *packet)
+{
+	socket_t *socket;
+	status_t status;
+
+	this->lock->read_lock(this->lock);
+	if (this->sockets->get_first(this->sockets, (void**)&socket) != SUCCESS)
+	{
+		DBG1(DBG_NET, "no socket implementation registered, sending failed");
+		this->lock->unlock(this->lock);
+		return NOT_SUPPORTED;
+	}
+	status = socket->send(socket, packet);
+	this->lock->unlock(this->lock);
+	return status;
+}
+
+METHOD(socket_manager_t, add_socket, void,
+	private_socket_manager_t *this, socket_t *socket)
+{
+	this->lock->write_lock(this->lock);
+	this->sockets->insert_last(this->sockets, socket);
+	this->lock->unlock(this->lock);
+}
+
+METHOD(socket_manager_t, remove_socket, void,
+	private_socket_manager_t *this, socket_t *socket)
+{
+	this->lock->write_lock(this->lock);
+	this->sockets->remove(this->sockets, socket, NULL);
+	this->lock->unlock(this->lock);
+}
+
+METHOD(socket_manager_t, destroy, void,
+	private_socket_manager_t *this)
+{
+	this->sockets->destroy(this->sockets);
+	this->lock->destroy(this->lock);
+	free(this);
+}
+
+/**
+ * See header
+ */
+socket_manager_t *socket_manager_create()
+{
+	private_socket_manager_t *this;
+
+	INIT(this,
+		.public = {
+			.send = _sender,
+			.receive = _receiver,
+			.add_socket = _add_socket,
+			.remove_socket = _remove_socket,
+			.destroy = _destroy,
+		},
+		.sockets = linked_list_create(),
+		.lock = rwlock_create(RWLOCK_TYPE_DEFAULT),
+	);
+
+	return &this->public;
+}
+