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  1. /*
  2.  
  3.     Copyright (C) 2010  Mattias Runge
  4.  
  5.     This program is free software; you can redistribute it and/or modify
  6.     it under the terms of the GNU General Public License as published by
  7.     the Free Software Foundation; either version 2 of the License, or
  8.     (at your option) any later version.
  9.  
  10.     This program is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.     GNU General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU General Public License along
  16.     with this program; if not, write to the Free Software Foundation, Inc.,
  17.     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18.  
  19. */
  20.  
  21. #include "TcpClient.h"
  22.  
  23. #include <boost/lexical_cast.hpp>
  24.  
  25. namespace atom {
  26. namespace net {
  27.  
  28. TcpClient::TcpClient(boost::asio::io_service& io_service, ClientId id, ServerId server_id) : socket_(io_service), Client(io_service, id, server_id)
  29. {
  30. }
  31.  
  32. TcpClient::~TcpClient()
  33. {
  34.     if (this->socket_.is_open())
  35.     {
  36.         this->socket_.cancel();
  37.         this->socket_.close();
  38.     }
  39.    
  40.     if (this->acceptor_.use_count() != 0)
  41.     {
  42.         this->acceptor_->cancel();
  43.         this->acceptor_->close();
  44.     }
  45. }
  46.  
  47. void TcpClient::Accept(AcceptorPointer acceptor)
  48. {
  49.     try
  50.     {
  51.         this->acceptor_ = acceptor;
  52.        
  53.         this->acceptor_->async_accept(this->socket_,
  54.                                       boost::bind(&TcpClient::AcceptHandler,
  55.                                                   this,
  56.                                                   boost::asio::placeholders::error));
  57.     }
  58.     catch (std::exception e)
  59.     {
  60.         throw std::runtime_error("Error while opening port, " + std::string(e.what()));
  61.     }
  62. }
  63.  
  64. void TcpClient::AcceptHandler(const boost::system::error_code& error)
  65. {
  66.     this->Read();
  67.    
  68.     this->signal_on_new_state_(this->GetId(), this->GetServerId(), CLIENT_STATE_ACCEPTED);
  69. }
  70.  
  71. TcpClient::AcceptorPointer TcpClient::ReleaseAcceptor()
  72. {
  73.     AcceptorPointer acceptor = this->acceptor_;
  74.     this->acceptor_.reset();
  75.     return acceptor;
  76. }
  77.  
  78. void TcpClient::Connect(std::string address, unsigned int port)
  79. {
  80.     try
  81.     {
  82.         boost::asio::ip::tcp::resolver resolver(this->socket_.get_io_service());
  83.         boost::asio::ip::tcp::resolver::query query(boost::asio::ip::tcp::v4(), address, boost::lexical_cast<std::string>(port));
  84.         boost::asio::ip::tcp::resolver::iterator it = resolver.resolve(query);
  85.        
  86.         this->socket_.connect(*it);
  87.     }
  88.     catch (std::exception e)
  89.     {
  90.         throw std::runtime_error("Error while connecting to " + address + ":" + boost::lexical_cast<std::string>(port) + ", " + std::string(e.what()));
  91.     }
  92.    
  93.     this->Read();
  94. }
  95.  
  96. void TcpClient::Disconnect()
  97. {
  98.     if (this->socket_.is_open())
  99.     {
  100.         this->socket_.cancel();
  101.         this->socket_.close();
  102.     }
  103.    
  104.     if (this->acceptor_.use_count() != 0)
  105.     {
  106.         this->acceptor_->cancel();
  107.         this->acceptor_->close();
  108.     }
  109.    
  110.     Client::Disconnect();
  111. }
  112.  
  113. void TcpClient::Send(type::Byteset data)
  114. {
  115.     if (this->acceptor_.use_count() != 0)
  116.     {
  117.         return;
  118.     }
  119.    
  120.     try
  121.     {
  122.         if (this->socket_.is_open())
  123.         {
  124.             this->socket_.send(boost::asio::buffer(data.Get(), data.GetMaxSize()));
  125.         }
  126.     }
  127.     catch (std::exception& e)
  128.     {
  129.         this->Disconnect();
  130.         //throw std::runtime_error(e.what());
  131.     }
  132. }
  133.  
  134. void TcpClient::Read()
  135. {
  136.     Client::Read();
  137.    
  138.     this->socket_.async_read_some(boost::asio::buffer(this->buffer_.Get(), this->buffer_.GetMaxSize()),
  139.                                   boost::bind(&TcpClient::ReadHandler,
  140.                                               this,
  141.                                               boost::asio::placeholders::error,
  142.                                               boost::asio::placeholders::bytes_transferred));
  143. }
  144.  
  145.    
  146. }; // namespace net
  147. }; // namespace atom
  148.