86 lines
3.1 KiB
C#
86 lines
3.1 KiB
C#
using Godot;
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using Network.PacketHandling;
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using System.Threading;
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using Thread = System.Threading.Thread;
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namespace Network {
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public abstract class Peer : Object {
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private static PacketPeerUDP PacketPeer;
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private static Peer Singleton;
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private int LastConnectionSended = -1;
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private Thread ListenerThread;
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private static byte[] ConfirmationBytes = { 154, 211 };
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public ConnectionList ConnectionList = new ConnectionList();
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public Peer(PacketPeerUDP packetPeer) {
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PacketPeer = packetPeer;
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}
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public abstract void Initialize(string address, int port);
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public abstract void Update(float delta);
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public abstract void ReceivePacket(PacketBuffer packetBuffer, Connection connection);
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public abstract void Connected(Connection conn);
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public void SendBuffer(PacketBuffer packetBuffer, Connection to) {
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if (LastConnectionSended != to.ID) {
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PacketPeer.SetDestAddress(to.Address, to.Port);
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LastConnectionSended = to.ID;
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}
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PacketPeer.PutPacket(packetBuffer.ByteBuffer);
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GD.print("Putting stuff to " + to.Address + ":" + to.Port);
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}
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public bool StartListening(int port, string address = "*") {
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if (PacketPeer.IsListening() || ListenerThread != null) {
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GD.printerr("The Peer is already listening or the thread is active!");
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return false;
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}
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Singleton = this;
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PacketPeer.Listen(port, address);
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ThreadStart ChildRef = new ThreadStart(ListenerThreadMethod);
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ListenerThread = new Thread(ChildRef);
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ListenerThread.Start();
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return true;
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}
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public static PacketBuffer NewPacketBuffer() {
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PacketBuffer PB = new PacketBuffer();
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foreach (byte B in ConfirmationBytes) {
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PB.Write(B);
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}
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return PB;
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}
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private static void ListenerThreadMethod() {
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GD.print("Started Listener Thread.");
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while (true) {
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PacketPeer.Wait();
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byte[] Buffer = PacketPeer.GetPacket();
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string Address = PacketPeer.GetPacketIp();
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int Port = PacketPeer.GetPacketPort();
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PacketBuffer PB = PacketBuffer.FromByteBuffer(Buffer);
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if (PB.Length > ConfirmationBytes.Length) {
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bool Confirmed = true;
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foreach (byte B in ConfirmationBytes) {
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if (PB.Read() != B) {
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// Ignore packet, confirmation bytes don't match up.
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Confirmed = false;
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break;
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}
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}
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if (Confirmed) {
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Connection conn = new Connection(Address, Port);
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Singleton.ConnectionList.AddConnection(conn);
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Singleton.ReceivePacket(PB, Singleton.ConnectionList.GetOriginal(conn));
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}
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}
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}
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}
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}
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} |