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Code Issues Releases Activity

HTTP Server added

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orignal 2013-12-10 08:03:22 -05:00
parent 465075d825
commit bf8a61232e
2 changed files with 263 additions and 0 deletions
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173
HTTPServer.cpp Normal file
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#include <boost/bind.hpp>
#include <boost/lexical_cast.hpp>
#include "Tunnel.h"
#include "TransitTunnel.h"
#include "Transports.h"
#include "HTTPServer.h"
namespace i2p
{
namespace util
{
namespace misc_strings
{
const char name_value_separator[] = { ':', ' ' };
const char crlf[] = { '\r', '\n' };
} // namespace misc_strings
std::vector<boost::asio::const_buffer> HTTPConnection::reply::to_buffers()
{
std::vector<boost::asio::const_buffer> buffers;
buffers.push_back (boost::asio::buffer ("HTTP/1.0 200 OK\r\n")); // always OK
for (std::size_t i = 0; i < headers.size(); ++i)
{
header& h = headers[i];
buffers.push_back(boost::asio::buffer(h.name));
buffers.push_back(boost::asio::buffer(misc_strings::name_value_separator));
buffers.push_back(boost::asio::buffer(h.value));
buffers.push_back(boost::asio::buffer(misc_strings::crlf));
}
buffers.push_back(boost::asio::buffer(misc_strings::crlf));
buffers.push_back(boost::asio::buffer(content));
return buffers;
}
void HTTPConnection::Terminate ()
{
m_Socket->close ();
delete this;
}
void HTTPConnection::Receive ()
{
m_Socket->async_read_some (boost::asio::buffer (m_Buffer),
boost::bind(&HTTPConnection::HandleReceive, this,
boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
}
void HTTPConnection::HandleReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred)
{
if (!ecode)
{
HandleRequest ();
boost::asio::async_write (*m_Socket, m_Reply.to_buffers(),
boost::bind (&HTTPConnection::HandleWrite, this,
boost::asio::placeholders::error));
//Receive ();
}
else if (ecode != boost::asio::error::operation_aborted)
Terminate ();
}
void HTTPConnection::HandleWrite (const boost::system::error_code& ecode)
{
Terminate ();
}
void HTTPConnection::HandleRequest ()
{
std::stringstream s;
s << "<html>";
FillContent (s);
s << "</html>";
m_Reply.content = s.str ();
m_Reply.headers.resize(2);
m_Reply.headers[0].name = "Content-Length";
m_Reply.headers[0].value = boost::lexical_cast<std::string>(m_Reply.content.size());
m_Reply.headers[1].name = "Content-Type";
m_Reply.headers[1].value = "text/html";
}
void HTTPConnection::FillContent (std::stringstream& s)
{
s << "<P>Tunnels</P>";
for (auto it: i2p::tunnel::tunnels.GetOutboundTunnels ())
{
it->GetTunnelConfig ()->Print (s);
s << " " << (int)it->GetNumSentBytes () << "<BR>";
}
for (auto it: i2p::tunnel::tunnels.GetInboundTunnels ())
{
it.second->GetTunnelConfig ()->Print (s);
s << " " << (int)it.second->GetNumReceivedBytes () << "<BR>";
}
s << "<P>Transit tunnels</P>";
for (auto it: i2p::tunnel::tunnels.GetTransitTunnels ())
{
if (dynamic_cast<i2p::tunnel::TransitTunnelGateway *>(it.second))
s << it.second->GetTunnelID () << "-->";
else if (dynamic_cast<i2p::tunnel::TransitTunnelEndpoint *>(it.second))
s << "-->" << it.second->GetTunnelID ();
else
s << "-->" << it.second->GetTunnelID () << "-->";
s << "<BR>";
}
s << "<P>Transports</P>";
for (auto it: i2p::transports.GetNTCPSessions ())
{
if (it.second->IsEstablished ())
s << it.second->GetRemoteRouterInfo ().GetIdentHashAbbreviation () << ": "
<< it.second->GetSocket ().remote_endpoint().address ().to_string () << "<BR>";
}
}
HTTPServer::HTTPServer (int port):
m_Thread (nullptr), m_Work (m_Service),
m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint (boost::asio::ip::tcp::v4(), port)),
m_NewSocket (nullptr)
{
}
HTTPServer::~HTTPServer ()
{
Stop ();
}
void HTTPServer::Start ()
{
m_Thread = new std::thread (std::bind (&HTTPServer::Run, this));
m_Acceptor.listen ();
Accept ();
}
void HTTPServer::Stop ()
{
m_Acceptor.close();
m_Service.stop ();
if (m_Thread)
{
m_Thread->join ();
delete m_Thread;
m_Thread = nullptr;
}
}
void HTTPServer::Run ()
{
m_Service.run ();
}
void HTTPServer::Accept ()
{
m_NewSocket = new boost::asio::ip::tcp::socket (m_Service);
m_Acceptor.async_accept (*m_NewSocket, boost::bind (&HTTPServer::HandleAccept, this,
boost::asio::placeholders::error));
}
void HTTPServer::HandleAccept(const boost::system::error_code& ecode)
{
if (!ecode)
{
new HTTPConnection (m_NewSocket);
Accept ();
}
}
}
}

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HTTPServer.h Normal file
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#ifndef HTTP_SERVER_H__
#define HTTP_SERVER_H__
#include <sstream>
#include <thread>
#include <boost/asio.hpp>
#include <boost/array.hpp>
namespace i2p
{
namespace util
{
class HTTPConnection
{
struct header
{
std::string name;
std::string value;
};
struct request
{
std::string method;
std::string uri;
int http_version_major;
int http_version_minor;
std::vector<header> headers;
};
struct reply
{
std::vector<header> headers;
std::string content;
std::vector<boost::asio::const_buffer> to_buffers();
};
public:
HTTPConnection (boost::asio::ip::tcp::socket * socket): m_Socket (socket) { Receive (); };
~HTTPConnection () { delete m_Socket; }
private:
void Terminate ();
void Receive ();
void HandleReceive (const boost::system::error_code& ecode, std::size_t bytes_transferred);
void HandleWrite(const boost::system::error_code& ecode);
void HandleRequest ();
void FillContent (std::stringstream& s);
private:
boost::asio::ip::tcp::socket * m_Socket;
boost::array<char, 8192> m_Buffer;
request m_Request;
reply m_Reply;
};
class HTTPServer
{
public:
HTTPServer (int port);
~HTTPServer ();
void Start ();
void Stop ();
private:
void Run ();
void Accept ();
void HandleAccept(const boost::system::error_code& ecode);
private:
std::thread * m_Thread;
boost::asio::io_service m_Service;
boost::asio::io_service::work m_Work;
boost::asio::ip::tcp::acceptor m_Acceptor;
boost::asio::ip::tcp::socket * m_NewSocket;
};
}
}
#endif