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#include "NetworkClient.hpp"
#include "PacketParser.hpp"
#include "PacketBuilder.hpp"
#include "json.hpp"
ServerInfo NetworkClient::ServerPing(std::string address, unsigned short port) {
ServerInfo info;
Network network(address, port);
Packet packet_handshake = PacketBuilder::CHandshaking0x00(316, address, port, 1);
network.SendPacket(packet_handshake);
Packet packet_request(0);
network.SendPacket(packet_request);
Packet packet_response = network.ReceivePacket();
PacketParser::Parse(packet_response, Login);
//std::string json = static_cast<FieldString *>(packet_response_parsed.GetFieldById(0))->GetValue();
std::string json = packet_response.GetField(0).GetString();
try {
nlohmann::json j = nlohmann::json::parse(json);
info.protocol = j["version"]["protocol"].get<int>();
info.version = j["version"]["name"].get<std::string>();
info.players_max = j["players"]["max"].get<int>();
info.players_online = j["players"]["online"].get<int>();
info.description = j["description"]["text"].get<std::string>();
for (auto t:j["description"]["extra"]) {
info.description += t["text"].get<std::string>();
}
if (!j["favicon"].is_null())
info.favicon = j["favicon"].get<std::string>();
info.json = json;
for (auto t:j["players"]["sample"]) {
std::pair<std::string, std::string> player;
player.first = t["id"].get<std::string>();
player.second = t["name"].get<std::string>();
info.players.push_back(player);
}
} catch (const nlohmann::detail::exception e) {
std::cerr << "Parsed json is not valid (" << e.id << "): " << e.what() << std::endl;
}
//Ping
Packet packet_ping(0x01);
Field payload;
payload.SetLong(771235);
packet_ping.AddField(payload);
std::chrono::high_resolution_clock clock;
auto t1 = clock.now();
network.SendPacket(packet_ping);
Packet pong = network.ReceivePacket();
auto t2 = clock.now();
pong.ParseField(Long);
if (pong.GetField(0).GetLong() == 771235) {
std::chrono::duration<double, std::milli> pingTime = t2 - t1;
info.ping = pingTime.count();
}
return info;
}
NetworkClient::NetworkClient(std::string address, unsigned short port, std::string username) : m_network(address,
port) {
m_network.SendHandshake(username);
Update();
m_networkThread = std::thread(&NetworkClient::MainLoop, this);
}
NetworkClient::~NetworkClient() {
isContinue=false;
m_networkThread.join();
}
Packet * NetworkClient::GetPacket() {
if (m_received.size() < 1)
return nullptr;
Packet packet = m_received.front();
m_received.pop();
return new Packet(packet);
}
void NetworkClient::AddPacketToQueue(Packet packet) {
m_toSend.push(packet);
}
void NetworkClient::Update() {
if (m_toSend.size() > 0) {
m_network.SendPacket(m_toSend.front());
m_toSend.pop();
}
Packet received = m_network.ReceivePacket();
if (received.GetId() == 0x1F) {
PacketParser::Parse(received);
Packet response = PacketBuilder::CPlay0x0B(received.GetField(0).GetVarInt());
m_network.SendPacket(response);
return;
}
m_updateMutex.lock();
m_received.push(received);
m_updateMutex.unlock();
}
void NetworkClient::MainLoop() {
try {
while (isContinue) {
Update();
}
} catch (int e){
std::cerr<<"NetworkClient exception: "<<e<<std::endl;
}
}
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