WIP Reliable message

src/Engine/Network/HybridServer.cpp

@@ -0,0 +1,203 @@
+#include "Network/HybridServer.h"
+
+HybridServer::HybridServer()
+{ 
+    m_Socket = std::unique_ptr<boost::asio::ip::udp::socket>(new boost::asio::ip::udp::socket(m_IOService, boost::asio::ip::udp::endpoint(boost::asio::ip::udp::v4(), 27666)));
+   
+}
+
+HybridServer::~HybridServer()
+{ }
+
+
+void HybridServer::readFromClients()
+{
+    while (m_Socket->available()) {
+        try {
+            bytesRead = receive(readBuffer);
+            Packet packet(readBuffer, bytesRead);
+            parseMessageType(packet);
+        } catch (const std::exception& err) {
+            //LOG_ERROR("%i: Read from client crashed %s", m_PacketID, err.what());
+        }
+    }
+    std::clock_t currentTime = std::clock();
+    // Send snapshot
+    if (snapshotInterval < (1000 * (currentTime - previousSnapshotMessage) / (double)CLOCKS_PER_SEC)) {
+        sendSnapshot();
+        previousSnapshotMessage = currentTime;
+    }
+
+    // Send pings each 
+    if (pingIntervalMs < (1000 * (currentTime - previousePingMessage) / (double)CLOCKS_PER_SEC)) {
+        sendPing();
+        previousePingMessage = currentTime;
+    }
+
+    // Time out logic
+    if (checkTimeOutInterval < (1000 * (currentTime - timOutTimer) / (double)CLOCKS_PER_SEC)) {
+        checkForTimeOuts();
+        timOutTimer = currentTime;
+    }
+}
+
+void HybridServer::parseClientPing()
+{
+    LOG_INFO("%i: Parsing ping", m_PacketID);
+    PlayerID player = GetPlayerIDFromEndpoint(m_ReceiverEndpoint);
+    if (player == -1) {
+        return;
+    }
+    // Return ping
+    Packet packet(MessageType::Ping, m_ConnectedPlayers[player].PacketID);
+    packet.WriteString("Ping received");
+    send(packet);
+}
+
+void HybridServer::parsePing()
+{
+    for (int i = 0; i < m_ConnectedPlayers.size(); i++) {
+        if (m_ConnectedPlayers[i].Endpoint.address() == m_ReceiverEndpoint.address()) {
+            m_ConnectedPlayers[i].StopTime = std::clock();
+            break;
+        }
+    }
+}
+
+void HybridServer::parseDisconnect()
+{
+    LOG_INFO("%i: Parsing disconnect", m_PacketID);
+
+    for (auto& kv : m_ConnectedPlayers) {
+        if (kv.second.Endpoint.address() == m_ReceiverEndpoint.address() &&
+            kv.second.Endpoint.port() == m_ReceiverEndpoint.port()) {
+            disconnect(kv.first);
+            break;
+        }
+    }
+}
+
+void HybridServer::parseConnect(Packet& packet)
+{
+    LOG_INFO("Parsing connections");
+    // Check if player is already connected
+    if (GetPlayerIDFromEndpoint(m_ReceiverEndpoint) != -1) {
+        return;
+    }
+    // Create a new player
+    PlayerDefinition pd;
+    pd.EntityID = 0; // Overlook this
+    pd.Endpoint = m_ReceiverEndpoint;
+    pd.Name = packet.ReadString();
+    pd.PacketID = 0;
+    pd.StopTime = std::clock();
+    m_ConnectedPlayers[m_NextPlayerID++] = pd;
+    LOG_INFO("Spectator \"%s\" connected on IP: %s", pd.Name.c_str(), pd.Endpoint.address().to_string().c_str());
+
+    // Send a message to the player that connected
+    Packet connnectPacket(MessageType::Connect, pd.PacketID);
+    send(connnectPacket);
+
+    // Send notification that a player has connected
+    Packet notificationPacket(MessageType::PlayerConnected);
+    broadcast(notificationPacket);
+}
+
+void HybridServer::parseOnInputCommand(Packet& packet)
+{
+    PlayerID player = -1;
+    // Check which player it was who sent the message
+    player = GetPlayerIDFromEndpoint(m_ReceiverEndpoint);
+    if (player != -1) {
+        while (packet.DataReadSize() < packet.Size()) {
+            Events::InputCommand e;
+            e.Command = packet.ReadString();
+            e.PlayerID = player; // Set correct player id
+            e.Player = EntityWrapper(m_World, m_ConnectedPlayers.at(player).EntityID);
+            e.Value = packet.ReadPrimitive<float>();
+            m_EventBroker->Publish(e);
+            LOG_INFO("Server::parseOnInputCommand: Command is %s. Value is %f. PlayerID is %i.", e.Command.c_str(), e.Value, e.PlayerID);
+        }
+    }
+}
+
+void HybridServer::parsePlayerTransform(Packet& packet)
+{
+    glm::vec3 position;
+    glm::vec3 orientation;
+    position.x = packet.ReadPrimitive<float>();
+    position.y = packet.ReadPrimitive<float>();
+    position.z = packet.ReadPrimitive<float>();
+    orientation.x = packet.ReadPrimitive<float>();
+    orientation.y = packet.ReadPrimitive<float>();
+    orientation.z = packet.ReadPrimitive<float>();
+
+    PlayerID playerID = GetPlayerIDFromEndpoint(m_ReceiverEndpoint);
+    EntityWrapper player(m_World, m_ConnectedPlayers.at(playerID).EntityID);
+
+    if (player.Valid()) {
+        player["Transform"]["Position"] = position;
+        player["Transform"]["Orientation"] = orientation;
+    }
+}
+
+void HybridServer::send(Packet& packet, PlayerDefinition & playerDefinition)
+{
+    try {
+        int bytesSent = m_Socket->send_to(
+            boost::asio::buffer(packet.Data(), packet.Size()),
+            playerDefinition.Endpoint,
+            0);
+        // Network Debug data
+        if (isReadingData) {
+            m_NetworkData.TotalDataSent += packet.Size();
+            m_NetworkData.DataSentThisInterval += packet.Size();
+            m_NetworkData.AmountOfMessagesSent++;
+        }
+    } catch (const boost::system::system_error& e) {
+        // TODO: Clean up invalid endpoints out of m_ConnectedPlayers later
+        playerDefinition.Endpoint = boost::asio::ip::udp::endpoint();
+    }
+}
+// Send back to endpoint of received packet
+void HybridServer::send(Packet & packet)
+{
+    m_Socket->send_to(
+        boost::asio::buffer(
+            packet.Data(),
+            packet.Size()),
+        m_ReceiverEndpoint,
+        0);
+    if (isReadingData) {
+        // Network Debug data
+        m_NetworkData.TotalDataSent += packet.Size();
+        m_NetworkData.DataSentThisInterval += packet.Size();
+    }
+}
+
+
+int HybridServer::receive(char * data)
+{
+    unsigned int length = m_Socket->receive_from(
+        boost::asio::buffer((void*)data
+            , INPUTSIZE)
+        , m_ReceiverEndpoint, 0);
+    // Network Debug data
+    if (isReadingData) {
+        m_NetworkData.TotalDataReceived += length;
+        m_NetworkData.DataReceivedThisInterval += length;
+        m_NetworkData.AmountOfMessagesReceived++;
+    }
+    return length;
+}
+
+PlayerID HybridServer::GetPlayerIDFromEndpoint(boost::asio::ip::udp::endpoint endpoint)
+{
+    for (auto& kv : m_ConnectedPlayers) {
+        if (kv.second.Endpoint.address() == endpoint.address() &&
+            kv.second.Endpoint.port() == endpoint.port()) {
+            return kv.first;
+        }
+    }
+    return -1;
+}