private async UniTask SendConnectAcceptEvent(UdpConnection udp)
{
Command command = new Command();
command.P2PEventType = CommandType.RequestAccept;
command.Value = null;
var p = new Command[1];
p[0] = command;
var l2 = new UdpPacketL2
{
PacketNumber = 0,
ACKNumber = 0,
Commands = p,
}.Serialize();
var packet = new UdpPacket
{
PeerID = UniP2PManager.MyPeerID,
UdpPacketL2 = l2,
UdpPacketL2IV = null,
}.Serialize();
await UdpSocket.SendAsync(packet, packet.Length, udp.Peer.IPEndPoint);
PacketCapture.Write(udp.Peer.IPEndPoint.ToString(), packet.Length, "ConnectAcceptEvent");
Debugger.Log("[SocketUDP] SendConnectAcceptEvent: dist:" + udp.Peer.IPEndPoint.ToString());
}
public async UniTask SendHeartBeatAsync(UdpConnection udp)
{
byte[] b = { };
Debugger.Log("[SocketUDP] SendHeartBeatAsync:" + udp.Peer.IPEndPoint.ToString());
await SendAsync(udp, b, CommandType.HeartBeat, SocketQosType.Unreliable);
PacketCapture.Write(udp.Peer.IPEndPoint.ToString(), b.Length, "HeartBeat");
}
private async UniTask ReceiveConnectAcceptEvent(UdpConnection udp, IPEndPoint ip)
{
udp.Peer.IPEndPoint = ip;
udp.State = UdpConnectionState.KeyExchange;
Debugger.Log("[SocketUDP] ReceiveConnectAcceptEvent: dist:" + udp.Peer.IPEndPoint.ToString());
await udp.RequestKey(UdpSocket);
var rtt = await GetRTTAsync(udp.Peer.IPEndPoint);
udp.RTT = rtt;
Debugger.Log("[SocketUDP] Get RTT: " + rtt);
}
private async UniTask ReceiveConnectRequestEvent(Peer peer)
{
var connection = new UdpConnection(peer);
UdpConnections.Add(connection);
await SendConnectAcceptEvent(connection);
connection.State = UdpConnectionState.KeyExchange;
var rtt = await GetRTTAsync(peer.IPEndPoint);
connection.RTT = rtt;
Debugger.Log("[SocketUDP] Receive Connect Request Event:" + peer.IPEndPoint.Address.ToString() + ":" + peer.IPEndPoint.Port.ToString());
}
public async UniTask SendAsync(UdpConnection udp, byte[] data, CommandType p2PEvent = CommandType.Nothing, SocketQosType qosType = SocketQosType.Unreliable)
{
Command packetObject = new Command();
packetObject.P2PEventType = p2PEvent;
packetObject.Value = data;
if (udp != null)
{
if (qosType == SocketQosType.Reliable)
{
await udp.AddReliableCommand(packetObject);
}
else if (qosType == SocketQosType.Unreliable)
{
udp.AddUnreliableCommand(packetObject);
}
}
}
public async UniTask <Peer> ConnectPeerAsync(IPEndPoint ip, string peerid = "", int localport = 0)
{
var peer = new Peer
{
State = PeerState.Connecting,
ID = peerid,
};
var udp = new UdpConnection(peer);
UdpConnections.Add(udp);
udp.State = UdpConnectionState.RequestSend;
int i = 0;
do
{
await SendConnectRequestEvent(ip);
if (i >= 3 && localport != 0)
{
Debugger.Log("[SocketUDP] LAN Connect Port:" + localport);
await SendConnectRequestEvent(ip, true, localport);
}
if (i >= 5)
{
Debugger.Error("[SocketUDP] Timeout: " + ip.ToString());
UniP2PManager.RemovePeer(peer);
return(null);
}
await UniTask.Delay(1000);
i++;
}while (peer.State != PeerState.Connected);
return(peer);
}
