mirror of
https://github.com/PurpleI2P/i2pd.git
synced 2024-11-02 09:40:18 +00:00
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
#include <string>
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#include <boost/lexical_cast.hpp>
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#include <boost/bind.hpp>
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#include "Log.h"
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#include "UPnP.h"
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namespace i2p
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{
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UPnP::UPnP (): m_Timer (m_Service),
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m_Endpoint (boost::asio::ip::udp::v4 (), UPNP_REPLY_PORT),
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m_MulticastEndpoint (boost::asio::ip::address::from_string (UPNP_GROUP), UPNP_PORT),
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m_Socket (m_Service, m_Endpoint.protocol ())
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{
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m_Socket.set_option (boost::asio::socket_base::receive_buffer_size (65535));
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m_Socket.set_option (boost::asio::socket_base::send_buffer_size (65535));
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m_Socket.set_option(boost::asio::ip::udp::socket::reuse_address(true));
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}
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UPnP::~UPnP ()
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{
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}
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void UPnP::Run ()
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{
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DiscoverRouter ();
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m_Service.run ();
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}
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void UPnP::DiscoverRouter ()
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{
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m_Timer.expires_from_now (boost::posix_time::seconds(5)); // 5 seconds
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m_Timer.async_wait (boost::bind (&UPnP::HandleTimer, this, boost::asio::placeholders::error));
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std::string address = UPNP_GROUP;
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address += ":" + boost::lexical_cast<std::string>(UPNP_PORT);
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std::string request = "M-SEARCH * HTTP/1.1\r\n"
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"HOST: " + address + "\r\n"
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"ST:" + UPNP_ROUTER + "\r\n"
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"MAN:\"ssdp:discover\"\r\n"
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"MX:3\r\n"
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"\r\n\r\n";
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m_Socket.send_to (boost::asio::buffer (request.c_str (), request.length ()), m_MulticastEndpoint);
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Receive ();
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}
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void UPnP::Receive ()
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{
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m_Socket.async_receive_from (boost::asio::buffer (m_ReceiveBuffer, UPNP_MAX_PACKET_LEN), m_SenderEndpoint,
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boost::bind (&UPnP::HandleReceivedFrom, this, boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
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}
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void UPnP::HandleReceivedFrom (const boost::system::error_code& ecode, size_t bytes_transferred)
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{
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LogPrint ("UPnP: ", bytes_transferred, " received from ", m_SenderEndpoint.address ());
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std::string str (m_ReceiveBuffer, bytes_transferred);
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LogPrint (str);
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m_Timer.cancel ();
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}
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void UPnP::HandleTimer (const boost::system::error_code& ecode)
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{
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if (ecode != boost::asio::error::operation_aborted)
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{
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LogPrint ("UPnP: timeout expired");
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m_Service.stop ();
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}
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}
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}
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