diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/anytun.cpp | 8 | ||||
| -rw-r--r-- | src/channel.hpp | 88 |
2 files changed, 95 insertions, 1 deletions
diff --git a/src/anytun.cpp b/src/anytun.cpp index 3f14a5e..9e97e5a 100644 --- a/src/anytun.cpp +++ b/src/anytun.cpp @@ -91,6 +91,7 @@ #endif #include "cryptinit.hpp" +#include "channel.hpp" #include "sysExec.h" bool disableRouting = false; @@ -339,7 +340,12 @@ void receiver(TunDevice* dev, PacketSource* src) void startSendRecvThreads(TunDevice* dev, PacketSource* src) { src->waitUntilReady(); - + //channel<int> a(1); + //a.push(23); + //a.push(23); + //int i=0; + //a.pop(i); + //std::cout << i << std::endl; boost::thread(boost::bind(sender, dev, src)); boost::thread(boost::bind(receiver, dev, src)); } diff --git a/src/channel.hpp b/src/channel.hpp new file mode 100644 index 0000000..8c69f19 --- /dev/null +++ b/src/channel.hpp @@ -0,0 +1,88 @@ +/* + * anytun + * + * The secure anycast tunneling protocol (satp) defines a protocol used + * for communication between any combination of unicast and anycast + * 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 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) 2007-2014 Markus Grüneis, Othmar Gsenger, Erwin Nindl, + * Christian Pointner <satp@wirdorange.org> + * + * This file is part of Anytun. + * + * Anytun 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 3 of the License, or + * any later version. + * + * Anytun 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. + * + * You should have received a copy of the GNU General Public License + * 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_channel_hpp_INCLUDED +#define ANYTUN_channel_hpp_INCLUDED + +#include <boost/thread/thread.hpp> +#include <boost/circular_buffer.hpp> + +template<typename T> +class channel +{ +private: + boost::mutex mtx_; + boost::circular_buffer<T> cb_; + Semaphore sem_read_, sem_write_; + + void push_cb(T const & t ) { + boost::lock_guard<boost::mutex> guard(mtx_); + cb_.push_back(t); + } + void pop_cb(T & ret) { + boost::lock_guard<boost::mutex> guard(mtx_); + ret = cb_[0]; + cb_.pop_front(); + } + +public: + channel(channel const &) = delete; +// channel(channel &&) = delete; + channel& operator=(const channel &) = delete; + channel(unsigned int num_elements=10) + :cb_(num_elements),sem_read_(0),sem_write_(num_elements) {}; + void push(T const & t ) { + sem_write_.down(); + this->push_cb(t); + sem_read_.up(); + } + void pop(T & ret) { + sem_read_.down(); + this->pop_cb(ret); + sem_write_.up(); + } +}; + +#endif |