From f942405184c2d6067fb5303b58a225edf7e452b1 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sat, 29 Jul 2017 19:55:16 +0500
Subject: 2017-07-29

---
 src/NetworkClient.cpp | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 src/NetworkClient.cpp

(limited to 'src/NetworkClient.cpp')

diff --git a/src/NetworkClient.cpp b/src/NetworkClient.cpp
new file mode 100644
index 0000000..0b759e6
--- /dev/null
+++ b/src/NetworkClient.cpp
@@ -0,0 +1,93 @@
+#include "NetworkClient.hpp"
+
+NetworkClient::NetworkClient(std::string address, unsigned short port, std::string username, bool &quit)
+		: network(address, port), isRunning(quit) {
+	state = Handshaking;
+
+	PacketHandshake handshake;
+	handshake.protocolVersion = 335;
+	handshake.serverAddress = "127.0.0.1";
+	handshake.serverPort = 25565;
+	handshake.nextState = 2;
+	network.SendPacket(handshake);
+	state = Login;
+
+	PacketLoginStart loginStart;
+	loginStart.Username = "HelloOne";
+	network.SendPacket(loginStart);
+
+	auto response = std::static_pointer_cast<PacketLoginSuccess>(network.ReceivePacket(Login));
+	if (response->Username != username) {
+		throw std::logic_error("Received username is not sended username");
+	}
+
+	state = Play;
+
+	isActive = true;
+	std::thread thread(&NetworkClient::NetworkLoop, this);
+	std::swap(networkThread, thread);
+}
+
+NetworkClient::~NetworkClient() {
+	isActive = false;
+	networkThread.join();
+}
+
+std::shared_ptr<Packet> NetworkClient::ReceivePacket() {
+	if (toReceive.empty())
+		return std::shared_ptr<Packet>(nullptr);
+	toReceiveMutex.lock();
+	auto ret = toReceive.front();
+	toReceive.pop();
+	toReceiveMutex.unlock();
+	return ret;
+}
+
+void NetworkClient::SendPacket(std::shared_ptr<Packet> packet) {
+	toSendMutex.lock();
+	toSend.push(packet);
+	toSendMutex.unlock();
+}
+
+void NetworkClient::NetworkLoop() {
+	auto timeOfLastKeepAlivePacket = std::chrono::steady_clock::now();
+	el::Helpers::setThreadName("Network");
+	LOG(INFO) << "Network thread is started";
+	try {
+		while (isActive) {
+			toSendMutex.lock();
+			while (!toSend.empty()) {
+				if (toSend.front()!=nullptr)
+					network.SendPacket(*toSend.front());
+				toSend.pop();
+			}
+			toSendMutex.unlock();
+			auto packet = network.ReceivePacket(state);
+			if (packet.get() != nullptr) {
+				if (packet->GetPacketId() != PacketNamePlayCB::KeepAliveCB) {
+					toReceiveMutex.lock();
+					toReceive.push(packet);
+					toReceiveMutex.unlock();
+				} 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);
+				}
+			}
+			using namespace std::chrono_literals;
+			if (std::chrono::steady_clock::now() - timeOfLastKeepAlivePacket > 20s) {
+				auto disconnectPacket = std::make_shared<PacketDisconnectPlay>();
+				disconnectPacket->Reason = "Timeout";
+				toReceiveMutex.lock();
+				toReceive.push(disconnectPacket);
+				toReceiveMutex.unlock();
+				break;
+			}
+		}
+	} catch (std::exception &e) {
+		LOG(ERROR) << "Exception catched in NetworkLoop: " << e.what();
+		isRunning = false;
+	}
+	LOG(INFO) << "Network thread is stopped";
+}
-- 
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