void SendChallengeRequest(UdpPendingClientData udpPendingClientData)
{
ChallengeRequestPacket challengeRequestPacket = new ChallengeRequestPacket();
ChallengeRequestData challengeRequestData;
challengeRequestData.serverSalt = udpPendingClientData.serverSalt;
challengeRequestPacket.Payload = challengeRequestData;
PacketsManager.Instance.SendPacket(challengeRequestPacket, udpPendingClientData.ipEndPoint);
}
void ReceiveConnectionData(ushort packetTypeIndex, IPEndPoint ipEndPoint, Stream stream)
{
switch ((PacketType)packetTypeIndex)
{
case PacketType.ChallengeRequest:
if (!UdpNetworkManager.Instance.IsServer && clientConnectionState == ClientConnectionState.RequestingConnection)
{
ChallengeRequestPacket challengeRequestPacket = new ChallengeRequestPacket();
challengeRequestPacket.Deserialize(stream);
challengeResultGeneratedByClient = saltGeneratedByClient ^ challengeRequestPacket.Payload.serverSalt;
clientConnectionState = ClientConnectionState.SendingChallengeResponse;
}
break;
case PacketType.ConnectionAccepted:
if (!UdpNetworkManager.Instance.IsServer && clientConnectionState == ClientConnectionState.SendingChallengeResponse)
{
ConnectionAcceptedPacket connectionAcceptedPacket = new ConnectionAcceptedPacket();
connectionAcceptedPacket.Deserialize(stream);
UdpNetworkManager.Instance.SetClientID(connectionAcceptedPacket.Payload.clientID);
onClientConnectedCallback?.Invoke(connectionAcceptedPacket.Payload.clientsInSession);
onClientConnectedCallback = null;
clientConnectionState = ClientConnectionState.Connected;
}
break;
case PacketType.ClientJoined:
if (!UdpNetworkManager.Instance.IsServer && clientConnectionState == ClientConnectionState.Connected)
{
ClientJoinedPacket clientJoinedPacket = new ClientJoinedPacket();
clientJoinedPacket.Deserialize(stream);
OnOtherClientJoined.Invoke(clientJoinedPacket.Payload.clientID);
}
break;
case PacketType.ConnectionRequest:
if (UdpNetworkManager.Instance.IsServer && !udpClientsIDs.ContainsKey(ipEndPoint))
{
if (!udpPendingClientsData.ContainsKey(ipEndPoint))
{
ConnectionRequestPacket connectionRequestPacket = new ConnectionRequestPacket();
connectionRequestPacket.Deserialize(stream);
AddPendingClient(ipEndPoint, connectionRequestPacket.Payload.clientSalt);
}
UdpPendingClientData udpPendingClientData = udpPendingClientsData[ipEndPoint];
SendChallengeRequest(udpPendingClientData);
}
break;
case PacketType.ChallengeResponse:
if (UdpNetworkManager.Instance.IsServer)
{
if (udpPendingClientsData.ContainsKey(ipEndPoint))
{
ChallengeResponsePacket challengeResponsePacket = new ChallengeResponsePacket();
UdpPendingClientData udpPendingClientData = udpPendingClientsData[ipEndPoint];
challengeResponsePacket.Deserialize(stream);
long serverResult = udpPendingClientData.clientSalt ^ udpPendingClientData.serverSalt;
if (challengeResponsePacket.Payload.result == serverResult)
{
ClientJoinedPacket clientJoinedPacket = new ClientJoinedPacket();
ClientJoinedData clientJoinedData;
clientJoinedData.clientID = ClientID;
clientJoinedPacket.Payload = clientJoinedData;
PacketsManager.Instance.SendPacket(clientJoinedPacket, null, 0, 0, reliable: true);
AddClient(ipEndPoint);
RemovePendingClient(ipEndPoint);
OnClientAddedByServer?.Invoke(udpClientsIDs[ipEndPoint]);
}
}
if (udpClientsIDs.ContainsKey(ipEndPoint))
{
SendConnectionAccepted(udpClientsData[udpClientsIDs[ipEndPoint]]);
}
}
break;
}
}
