* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
- * message authentication based on the methodes used by SRTP. It is
+ * message authentication based on the methods used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
*
*
- * Copyright (C) 2007-2009 Othmar Gsenger, Erwin Nindl,
+ * Copyright (C) 2007-2014 Markus Grüneis, Othmar Gsenger, Erwin Nindl,
* Christian Pointner <satp@wirdorange.org>
*
* This file is part of Anytun.
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with anytun. If not, see <http://www.gnu.org/licenses/>.
+ * along with Anytun. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL. If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so. If you
+ * do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source
+ * files in the program, then also delete it here.
*/
#ifndef ANYTUN_packetSource_h_INCLUDED
#define ANYTUN_packetSource_h_INCLUDED
#include <boost/asio.hpp>
+#include <boost/thread.hpp>
+#include <list>
+#include <queue>
#include "datatypes.h"
#include "threadUtils.hpp"
// TODO: fix this when other packetSource types are introduced
typedef boost::asio::ip::udp::endpoint PacketSourceEndpoint;
+typedef boost::asio::ip::udp::resolver::iterator PacketSourceResolverIt;
class PacketSource
{
public:
virtual ~PacketSource() {}
- virtual u_int32_t recv(u_int8_t* buf, u_int32_t len, PacketSourceEndpoint& remote) = 0;
- virtual void send(u_int8_t* buf, u_int32_t len, PacketSourceEndpoint remote) = 0;
+ virtual uint32_t recv(uint8_t* buf, uint32_t len, PacketSourceEndpoint& remote) = 0;
+ virtual void send(uint8_t* buf, uint32_t len, PacketSourceEndpoint remote) = 0;
void waitUntilReady();
};
class UDPPacketSource : public PacketSource
-{
+{
public:
typedef boost::asio::ip::udp proto;
UDPPacketSource(std::string localaddr, std::string port);
+ ~UDPPacketSource();
- u_int32_t recv(u_int8_t* buf, u_int32_t len, PacketSourceEndpoint& remote);
- void send(u_int8_t* buf, u_int32_t len, PacketSourceEndpoint remote);
+ uint32_t recv(uint8_t* buf, uint32_t len, PacketSourceEndpoint& remote);
+ void send(uint8_t* buf, uint32_t len, PacketSourceEndpoint remote);
- void onResolve(const boost::asio::ip::udp::endpoint& e);
+ void onResolve(PacketSourceResolverIt it);
void onError(const std::runtime_error& e);
private:
-
boost::asio::io_service io_service_;
- proto::socket sock_;
+
+ typedef struct {
+ uint8_t* buf_;
+ uint32_t len_;
+ proto::socket* sock_;
+ Semaphore* sem_;
+ } SocketsElement;
+ std::list<SocketsElement> sockets_;
+
+ void recv_thread(std::list<SocketsElement>::iterator it);
+ typedef struct {
+ uint32_t len_;
+ PacketSourceEndpoint remote_;
+ std::list<SocketsElement>::iterator it_;
+ } ThreadResult;
+ std::queue<ThreadResult> thread_result_queue_;
+ Mutex thread_result_mutex_;
+ Semaphore thread_result_sem_;
};
#endif