From 2ee0f834487cfe4b6bd9424ca2715685a8db16e4 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Sat, 15 Apr 2017 15:17:53 +0500
Subject: 2017-04-15

---
 NetworkClient.cpp | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 NetworkClient.cpp

(limited to 'NetworkClient.cpp')

diff --git a/NetworkClient.cpp b/NetworkClient.cpp
new file mode 100644
index 0000000..e8ba7ca
--- /dev/null
+++ b/NetworkClient.cpp
@@ -0,0 +1,91 @@
+#include "NetworkClient.hpp"
+#include "PacketParser.hpp"
+#include "PacketBuilder.hpp"
+#include "json.h"
+#include <chrono>
+
+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);
+}
+
+NetworkClient::~NetworkClient() {
+
+}
+
+Packet NetworkClient::GetPacket() {
+    if (m_received.size()<1)
+        return Packet(-1);
+    Packet packet = m_received.front();
+    m_received.pop();
+    return 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_received.push(received);
+}
-- 
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