67 lines
2.4 KiB
C#
67 lines
2.4 KiB
C#
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using System.Collections.Generic;
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using System;
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using NeonTea.Quakeball.Net.Peers;
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namespace NeonTea.Quakeball.Net.Packets {
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public abstract class Protocol {
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private Dictionary<Type, int> PacketToId = new Dictionary<Type, int>();
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private Dictionary<int, Type> IdToPacket = new Dictionary<int, Type>();
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private int PacketIdCounter;
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public Peer Peer;
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public abstract byte Identifier { get; }
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public abstract string Version { get; }
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public abstract void Receive(Connection conn, Packet packet);
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public abstract void ConnectionStatusChanged(ConnectionStatus oldStatus, ConnectionStatus newStatus, Connection conn);
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public abstract void Timeout(Connection conn);
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public void SendPacket(Packet p, Connection conn) {
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Peer.ConnectionManager.AddPacketToQueue(conn, p);
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Peer.ConnectionManager.SendPacketQueue(conn);
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}
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public int RegisterPacket(Type t) {
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if (t.BaseType != typeof(Packet) || PacketToId.ContainsKey(t)) {
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return -1;
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}
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int id = PacketIdCounter++;
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PacketToId.Add(t, id);
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IdToPacket.Add(id, t);
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return id;
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}
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public ByteBuffer BuildMessage(Connection connection) {
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ByteBuffer buffer = new ByteBuffer();
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foreach (byte b in Peer.Fingerprint) {
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buffer.Write(b);
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}
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buffer.Write(Identifier);
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if (connection.Status == ConnectionStatus.Establishing) {
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Peer.MessageListener.Message("Sending Establishing");
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buffer.Write((byte)PacketStage.Establishing);
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buffer.WriteString(Version);
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} else if (connection.Status == ConnectionStatus.Closed) {
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buffer.Write((byte)PacketStage.Closed);
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} else if (connection.Status == ConnectionStatus.Rejected) {
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buffer.Write((byte)PacketStage.Rejected);
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buffer.Write((byte)connection.ClosingReason);
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} else if (connection.Status == ConnectionStatus.Ready) {
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buffer.Write((byte)PacketStage.Ready);
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buffer.WriteInt(connection.LatestPacketReceived);
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}
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return buffer;
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}
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public int GetPacketID(Packet packet) {
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return PacketToId[packet.GetType()];
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}
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public Type GetPacketType(int id) {
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return IdToPacket[id];
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}
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}
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}
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