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/*
* 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 methodes 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) 2007-2008 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 version 3 as
* published by the Free Software Foundation.
*
* 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/>.
*/
#include <sstream>
#include <iostream>
#include <string>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include "log.h"
//#include "connectionParam.h"
#include "syncClient.h"
#include "buffer.h"
#include <boost/array.hpp>
SyncClient::SyncClient(std::string hostname,uint16_t port)
:hostname_( hostname),port_(port)
{
}
void SyncClient::run()
{
try
{
asio::io_service io_service;
for(;;)
{
std::stringstream portsrt;
portsrt << port_;
asio::ip::tcp::resolver resolver(io_service);
asio::ip::tcp::resolver::query query( hostname_, portsrt.str());
asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
asio::ip::tcp::resolver::iterator end;
asio::ip::tcp::socket socket(io_service);
asio::error_code error = asio::error::host_not_found;
while (error && endpoint_iterator != end)
{
socket.close();
socket.connect(*endpoint_iterator++, error);
}
if (error)
throw asio::system_error(error);
for (;;)
{
boost::array<char, 128> buf;
asio::error_code error;
size_t len = socket.read_some(asio::buffer(buf), error);
if (error == asio::error::eof)
break; // Connection closed cleanly by peer.
else if (error)
throw asio::system_error(error); // Some other error.
OnRawData(buf.data(), len);
}
}
sleep(10);
}
catch (std::exception& e)
{
std::cerr << e.what() << std::endl;
}
}
void SyncClient::OnRawData(const char *buf,size_t len)
//void SyncClientSocket::OnLine(const std::string& line)
{
ConnectionList & cl_ (gConnectionList);
for(size_t index=0;index<len;index++)
{
// std::cout << buf[index];
iss_ << buf[index];
buffer_size_++;
}
while (1)
{
// cLog.msg(Log::PRIO_NOTICE) << "buffer size "<< buffer_size_ << " missing_chars " << missing_chars;
if(missing_chars==-1 && buffer_size_>5)
{
char * buffer = new char [6+1];
iss_.read(buffer,6);
std::stringstream tmp;
tmp.write(buffer,6);
tmp>>missing_chars;
// cLog.msg(Log::PRIO_NOTICE) << "recieved sync inforamtaion length from " << GetRemoteHostname() <<" "<<tmp.str()<<"bytes of data"<< std::endl;
delete[] buffer;
buffer_size_-=6;
} else
if(missing_chars>0 && missing_chars<=buffer_size_)
{
char * buffer = new char [missing_chars+1];
iss_.read(buffer,missing_chars);
std::stringstream tmp;
tmp.write(buffer,missing_chars);
// cLog.msg(Log::PRIO_NOTICE) << "recieved sync inforamtaion from " << GetRemoteHostname() <<" \""<<tmp.str()<<'"'<< std::endl;
boost::archive::text_iarchive ia(tmp);
SyncCommand scom(cl_);
ia >> scom;
buffer_size_-=missing_chars;
missing_chars=-1;
delete[] buffer;
} else
break;
}
//u_int16_t mux = scom.getMux();
//const ConnectionParam & conn = cl_.getConnection(mux)->second;
//cLog.msg(Log::PRIO_NOTICE) << "sync connection #"<<mux<<" remote host " << conn.remote_host_ << ":" << conn.remote_port_ << std::endl;
}
//void StatusClientSocket::InitSSLServer()
//{
// InitializeContext("server.pem", "keypwd", SSLv23_method());
//}
//
//
//void StatusClientSocket::Init()
//{
// EnableSSL();
//}
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