public override void Start(object endPoint, int ownerKey)
{
contentPackageOrderReceived = false;
steamAuthTicket = SteamManager.GetAuthSessionTicket();
//TODO: wait for GetAuthSessionTicketResponse_t
if (steamAuthTicket == null)
{
throw new Exception("GetAuthSessionTicket returned null");
}
if (!(endPoint is UInt64 steamIdEndpoint))
{
throw new InvalidCastException("endPoint is not UInt64");
}
hostSteamId = steamIdEndpoint;
Steamworks.SteamNetworking.ResetActions();
Steamworks.SteamNetworking.OnP2PSessionRequest = OnIncomingConnection;
Steamworks.SteamNetworking.OnP2PConnectionFailed = OnConnectionFailed;
Steamworks.SteamNetworking.AllowP2PPacketRelay(true);
ServerConnection = new SteamP2PConnection("Server", hostSteamId);
ServerConnection.SetOwnerSteamIDIfUnknown(hostSteamId);
incomingInitializationMessages = new List <IReadMessage>();
incomingDataMessages = new List <IReadMessage>();
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write((byte)DeliveryMethod.Reliable);
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.ConnectionStarted);
Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Reliable);
sentBytes += outMsg.LengthBytes;
initializationStep = ConnectionInitialization.SteamTicketAndVersion;
timeout = NetworkConnection.TimeoutThreshold;
heartbeatTimer = 1.0;
connectionStatusTimer = 0.0;
isActive = true;
}
private void HandleDataMessage(IReadMessage inc)
{
if (!started)
{
return;
}
UInt64 senderSteamId = inc.ReadUInt64();
UInt64 ownerSteamId = inc.ReadUInt64();
byte incByte = inc.ReadByte();
bool isCompressed = (incByte & (byte)PacketHeader.IsCompressed) != 0;
bool isConnectionInitializationStep = (incByte & (byte)PacketHeader.IsConnectionInitializationStep) != 0;
bool isDisconnectMessage = (incByte & (byte)PacketHeader.IsDisconnectMessage) != 0;
bool isServerMessage = (incByte & (byte)PacketHeader.IsServerMessage) != 0;
bool isHeartbeatMessage = (incByte & (byte)PacketHeader.IsHeartbeatMessage) != 0;
if (isServerMessage)
{
DebugConsole.ThrowError("Got server message from" + senderSteamId.ToString());
return;
}
if (senderSteamId != OwnerSteamID) //sender is remote, handle disconnects and heartbeats
{
PendingClient pendingClient = pendingClients.Find(c => c.SteamID == senderSteamId);
SteamP2PConnection connectedClient = connectedClients.Find(c => c.SteamID == senderSteamId) as SteamP2PConnection;
pendingClient?.Heartbeat();
connectedClient?.Heartbeat();
string banReason;
if (serverSettings.BanList.IsBanned(senderSteamId, out banReason) ||
serverSettings.BanList.IsBanned(ownerSteamId, out banReason))
{
if (pendingClient != null)
{
RemovePendingClient(pendingClient, DisconnectReason.Banned, banReason);
}
else if (connectedClient != null)
{
Disconnect(connectedClient, DisconnectReason.Banned.ToString() + "/ " + banReason);
}
return;
}
else if (isDisconnectMessage)
{
if (pendingClient != null)
{
string disconnectMsg = $"ServerMessage.HasDisconnected~[client]={pendingClient.Name}";
RemovePendingClient(pendingClient, DisconnectReason.Unknown, disconnectMsg);
}
else if (connectedClient != null)
{
string disconnectMsg = $"ServerMessage.HasDisconnected~[client]={connectedClient.Name}";
Disconnect(connectedClient, disconnectMsg, false);
}
return;
}
else if (isHeartbeatMessage)
{
//message exists solely as a heartbeat, ignore its contents
return;
}
else if (isConnectionInitializationStep)
{
if (pendingClient != null)
{
if (ownerSteamId != 0)
{
pendingClient.Connection.SetOwnerSteamIDIfUnknown(ownerSteamId);
}
ReadConnectionInitializationStep(pendingClient, new ReadOnlyMessage(inc.Buffer, false, inc.BytePosition, inc.LengthBytes - inc.BytePosition, null));
}
else
{
ConnectionInitialization initializationStep = (ConnectionInitialization)inc.ReadByte();
if (initializationStep == ConnectionInitialization.ConnectionStarted)
{
pendingClients.Add(new PendingClient(new SteamP2PConnection("PENDING", senderSteamId))
{
SteamID = senderSteamId
});
}
}
}
else if (connectedClient != null)
{
UInt16 length = inc.ReadUInt16();
IReadMessage msg = new ReadOnlyMessage(inc.Buffer, isCompressed, inc.BytePosition, length, connectedClient);
OnMessageReceived?.Invoke(connectedClient, msg);
}
}
else //sender is owner
{
if (OwnerConnection != null)
{
(OwnerConnection as SteamP2PConnection).Heartbeat();
}
if (isDisconnectMessage)
{
DebugConsole.ThrowError("Received disconnect message from owner");
return;
}
if (isServerMessage)
{
DebugConsole.ThrowError("Received server message from owner");
return;
}
if (isConnectionInitializationStep)
{
if (OwnerConnection == null)
{
string ownerName = inc.ReadString();
OwnerConnection = new SteamP2PConnection(ownerName, OwnerSteamID)
{
Language = GameMain.Config.Language
};
OwnerConnection.SetOwnerSteamIDIfUnknown(OwnerSteamID);
OnInitializationComplete?.Invoke(OwnerConnection);
}
return;
}
if (isHeartbeatMessage)
{
return;
}
else
{
UInt16 length = inc.ReadUInt16();
IReadMessage msg = new ReadOnlyMessage(inc.Buffer, isCompressed, inc.BytePosition, length, OwnerConnection);
OnMessageReceived?.Invoke(OwnerConnection, msg);
}
}
}