path: root/source/HeartBeat.cpp

#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules

#include "HeartBeat.h"
#include "MCLogger.h"
#include "md5/md5.h"

#include "Root.h"
#include "Server.h"





cHeartBeat::cHeartBeat()
{
	m_State = 0;
	Authenticate();
}





cHeartBeat::~cHeartBeat()
{
}





void cHeartBeat::ReceivedData( char a_Data[256], int a_Size )
{
	if( a_Size < 0 )	// Disconnected
		return;

	char MySalt[] = "1234567890";

	if( a_Size == 0 )
	{
		Authenticate();
		return;
	}

	bool bLoop = false;
	do
	{
		switch (m_State)
		{
		case 1:
			{
				m_ServerID = std::string( a_Data, a_Size );
				LOGINFO("Got server ID %s", m_ServerID.c_str() );
				std::string Hash = md5( m_ServerID + std::string( MySalt ) );
				CloseSocket();
				if( Connect( "mc-server.org", 80 ) )
				{
					SendMessage( (std::string("GET http://master.mc-server.org/?hash=") + Hash + std::string("&server=") + m_ServerID + "\n").c_str() );
					m_State = 2;
				}
			}
			break;
		case 2:
			{
				std::string ReturnedString = std::string( a_Data, a_Size );
				if( ReturnedString.compare("VALIDATED") == 0 )
				{
					LOGINFO("Successfully validated server on master server list");
				}
				else
				{
					LOGINFO("Could not validate server! Will try again later.");
					cSleep::MilliSleep( 10*1000 );
					Authenticate();
					return;
				}
				m_State = 3;
			}	// Don't break, but fall through and update server info
		case 3:
			{
				cSleep::MilliSleep( 10*1000 );
				SendUpdate();
				m_State = 4;
			}
			break;
		case 4:
			{
				if( a_Data[0] == '0' )
				{
					LOGINFO("Successfully updated server info!");
					cSleep::MilliSleep( 10*1000 );
					SendUpdate();
				}
				else
				{
					LOGINFO("Failed to update server info, reauthenticating");
					Authenticate();
				}
			}
		default:
			break;
		};
	} while( bLoop );
}





void cHeartBeat::SendUpdate()
{
	CloseSocket();
	if( Connect( "mc-server.org", 80 ) )
	{
		int Port = cRoot::Get()->GetServer()->GetPort();
		AString Msg;
		AString sPort;
		Printf(sPort, "%i", Port);
		AString sChecksum = md5( m_ServerID + sPort );
		Printf(Msg, "GET http://master.mc-server.org/?update=%s&checksum=%s&port=%d\n", m_ServerID.c_str(), sChecksum.c_str(), Port); 
		SendMessage(Msg.c_str());
	}
}





void cHeartBeat::Authenticate()
{
	CloseSocket();
	if (Connect( "mc-server.org", 80))
	{
		m_State = 1;
		int RetVal = SendMessage( "GET http://master.mc-server.org/\r\n\r\n");
		LOGINFO("Returned %i", RetVal);
	}
}