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#include "NetworkClient.hpp"
NetworkClient::NetworkClient(std::string address, unsigned short port, std::string username)
: network(address, port) {
state = Handshaking;
PacketHandshake handshake;
handshake.protocolVersion = 338;
handshake.serverAddress = address;
handshake.serverPort = port;
handshake.nextState = 2;
network.SendPacket(handshake);
state = Login;
PacketLoginStart loginStart;
loginStart.Username = username;
network.SendPacket(loginStart);
auto packet = network.ReceivePacket(Login);
while (!packet)
packet = network.ReceivePacket(Login);
if (packet->GetPacketId() == PacketNameLoginCB::SetCompression) {
auto compPacket = std::static_pointer_cast<PacketSetCompression>(packet);
LOG(INFO) << "Compression threshold: " << compPacket->Threshold;
compressionThreshold = compPacket->Threshold;
packet.reset();
while (!packet)
packet = network.ReceivePacket(Login, compressionThreshold >= 0);
}
auto response = std::static_pointer_cast<PacketLoginSuccess>(packet);
if (response->Username != username) {
throw std::logic_error("Received username is not sended username: "+response->Username+" != "+username);
}
timeOfLastKeepAlivePacket = std::chrono::steady_clock::now();
state = Play;
}
NetworkClient::~NetworkClient() {
}
std::shared_ptr<Packet> NetworkClient::ReceivePacket() {
if (toReceive.empty())
return std::shared_ptr < Packet > (nullptr);
auto ret = toReceive.front();
toReceive.pop();
return ret;
}
void NetworkClient::SendPacket(std::shared_ptr<Packet> packet) {
toSend.push(packet);
}
void NetworkClient::UpdatePacket() {
while (!toSend.empty()) {
if (toSend.front() != nullptr)
network.SendPacket(*toSend.front(), compressionThreshold);
toSend.pop();
}
auto packet = network.ReceivePacket(state, compressionThreshold >= 0);
if (packet.get() != nullptr) {
if (packet->GetPacketId() != PacketNamePlayCB::KeepAliveCB) {
toReceive.push(packet);
}
else {
timeOfLastKeepAlivePacket = std::chrono::steady_clock::now();
auto packetKeepAlive = std::static_pointer_cast<PacketKeepAliveCB>(packet);
auto packetKeepAliveSB = std::make_shared<PacketKeepAliveSB>(packetKeepAlive->KeepAliveId);
network.SendPacket(*packetKeepAliveSB, compressionThreshold);
}
}
using namespace std::chrono_literals;
if (std::chrono::steady_clock::now() - timeOfLastKeepAlivePacket > 20s) {
auto disconnectPacket = std::make_shared<PacketDisconnectPlay>();
disconnectPacket->Reason = "Timeout: server not respond";
toReceive.push(disconnectPacket);
}
}
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