99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
#include "STDInclude.hpp"
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using namespace std::literals;
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namespace Components
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{
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Discovery::Container Discovery::DiscoveryContainer = { false, false, nullptr };
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void Discovery::Perform()
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{
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Discovery::DiscoveryContainer.Perform = true;
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}
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Discovery::Discovery()
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{
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Dvar::Register<int>("net_discoveryPortRangeMin", 25000, 0, 65535, Game::dvar_flag::DVAR_FLAG_SAVED, "Minimum scan range port for local server discovery");
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Dvar::Register<int>("net_discoveryPortRangeMax", 35000, 1, 65536, Game::dvar_flag::DVAR_FLAG_SAVED, "Maximum scan range port for local server discovery");
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Discovery::DiscoveryContainer.Perform = false;
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Discovery::DiscoveryContainer.Terminate = false;
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Discovery::DiscoveryContainer.Thread = new std::thread([] ()
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{
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while (!Discovery::DiscoveryContainer.Terminate)
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{
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if (Discovery::DiscoveryContainer.Perform)
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{
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int start = Game::Com_Milliseconds();
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Logger::Print("Starting local server discovery...\n");
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Discovery::DiscoveryContainer.Challenge = Utils::VA("%d", Utils::Cryptography::Rand::GenerateInt());
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//Network::BroadcastAll("discovery\n");
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unsigned int minPort = Dvar::Var("net_discoveryPortRangeMin").Get<unsigned int>();
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unsigned int maxPort = Dvar::Var("net_discoveryPortRangeMax").Get<unsigned int>();
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Network::BroadcastRange(minPort, maxPort, Utils::VA("discovery\n%s", Discovery::DiscoveryContainer.Challenge.data()));
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Logger::Print("Discovery sent within %dms, awaiting responses...\n", Game::Com_Milliseconds() - start);
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Discovery::DiscoveryContainer.Perform = false;
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}
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std::this_thread::sleep_for(50ms);
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}
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});
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Network::Handle("discovery", [] (Network::Address address, std::string data)
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{
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if (address.IsSelf()) return;
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if (!address.IsLocal())
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{
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Logger::Print("Received discovery request from non-local address: %s\n", address.GetString());
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return;
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}
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Logger::Print("Received discovery request from %s\n", address.GetString());
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Network::Send(address, Utils::VA("discoveryResponse\n%s", data.data()));
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});
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Network::Handle("discoveryResponse", [] (Network::Address address, std::string data)
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{
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if (address.IsSelf()) return;
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if (!address.IsLocal())
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{
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Logger::Print("Received discovery response from non-local address: %s\n", address.GetString());
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return;
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}
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if (Utils::ParseChallenge(data) != Discovery::DiscoveryContainer.Challenge)
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{
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Logger::Print("Received discovery with invalid challenge from: %s\n", address.GetString());
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return;
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}
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Logger::Print("Received discovery response from: %s\n", address.GetString());
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if (ServerList::IsOfflineList())
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{
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ServerList::InsertRequest(address, true);
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}
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});
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}
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Discovery::~Discovery()
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{
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Discovery::DiscoveryContainer.Perform = false;
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Discovery::DiscoveryContainer.Terminate = true;
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if (Discovery::DiscoveryContainer.Thread)
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{
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Discovery::DiscoveryContainer.Thread->join();
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delete Discovery::DiscoveryContainer.Thread;
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Discovery::DiscoveryContainer.Thread = nullptr;
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}
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}
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}
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