(61d00a474) v0.9.7.1

This commit is contained in:
Regalis
2020-03-04 13:04:10 +01:00
parent 3c50efa5c9
commit 3c09ebe02f
5086 changed files with 786063 additions and 295871 deletions
@@ -0,0 +1,37 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Barotrauma.Networking
{
abstract class ClientPeer
{
public delegate void MessageCallback(IReadMessage message);
public delegate void DisconnectCallback();
public delegate void DisconnectMessageCallback(string message);
public delegate void PasswordCallback(int salt, int retries);
public delegate void InitializationCompleteCallback();
public MessageCallback OnMessageReceived;
public DisconnectCallback OnDisconnect;
public DisconnectMessageCallback OnDisconnectMessageReceived;
public PasswordCallback OnRequestPassword;
public InitializationCompleteCallback OnInitializationComplete;
public string Name;
public string Version { get; protected set; }
public NetworkConnection ServerConnection { get; protected set; }
public abstract void Start(object endPoint, int ownerKey);
public abstract void Close(string msg = null);
public abstract void Update(float deltaTime);
public abstract void Send(IWriteMessage msg, DeliveryMethod deliveryMethod);
public abstract void SendPassword(string password);
#if DEBUG
public abstract void ForceTimeOut();
#endif
}
}
@@ -0,0 +1,324 @@
using System;
using System.Collections.Generic;
using System.Net;
using System.Text;
using Lidgren.Network;
using Barotrauma.Steam;
using System.Linq;
namespace Barotrauma.Networking
{
class LidgrenClientPeer : ClientPeer
{
private bool isActive;
private NetClient netClient;
private NetPeerConfiguration netPeerConfiguration;
private ConnectionInitialization initializationStep;
private bool contentPackageOrderReceived;
private int ownerKey;
private int passwordSalt;
private Steamworks.AuthTicket steamAuthTicket;
List<NetIncomingMessage> incomingLidgrenMessages;
public LidgrenClientPeer(string name)
{
ServerConnection = null;
Name = name;
netClient = null;
isActive = false;
}
public override void Start(object endPoint, int ownerKey)
{
if (isActive) { return; }
this.ownerKey = ownerKey;
contentPackageOrderReceived = false;
netPeerConfiguration = new NetPeerConfiguration("barotrauma");
netPeerConfiguration.DisableMessageType(NetIncomingMessageType.DebugMessage | NetIncomingMessageType.WarningMessage | NetIncomingMessageType.Receipt
| NetIncomingMessageType.ErrorMessage | NetIncomingMessageType.Error);
netClient = new NetClient(netPeerConfiguration);
if (SteamManager.IsInitialized)
{
steamAuthTicket = SteamManager.GetAuthSessionTicket();
//TODO: wait for GetAuthSessionTicketResponse_t
if (steamAuthTicket == null)
{
throw new Exception("GetAuthSessionTicket returned null");
}
}
incomingLidgrenMessages = new List<NetIncomingMessage>();
initializationStep = ConnectionInitialization.SteamTicketAndVersion;
if (!(endPoint is IPEndPoint ipEndPoint))
{
throw new InvalidCastException("endPoint is not IPEndPoint");
}
if (ServerConnection != null)
{
throw new InvalidOperationException("ServerConnection is not null");
}
netClient.Start();
ServerConnection = new LidgrenConnection("Server", netClient.Connect(ipEndPoint), 0)
{
Status = NetworkConnectionStatus.Connected
};
isActive = true;
}
public override void Update(float deltaTime)
{
if (!isActive) { return; }
if (ownerKey != 0 && (ChildServerRelay.Process?.HasExited ?? true))
{
Close();
var msgBox = new GUIMessageBox(TextManager.Get("ConnectionLost"), TextManager.Get("ServerProcessClosed"));
msgBox.Buttons[0].OnClicked += (btn, obj) => { GameMain.MainMenuScreen.Select(); return false; };
return;
}
incomingLidgrenMessages.Clear();
netClient.ReadMessages(incomingLidgrenMessages);
foreach (NetIncomingMessage inc in incomingLidgrenMessages)
{
if (inc.SenderConnection != (ServerConnection as LidgrenConnection).NetConnection) { continue; }
switch (inc.MessageType)
{
case NetIncomingMessageType.Data:
HandleDataMessage(inc);
break;
case NetIncomingMessageType.StatusChanged:
HandleStatusChanged(inc);
break;
}
}
}
private void HandleDataMessage(NetIncomingMessage inc)
{
if (!isActive) { return; }
byte incByte = inc.ReadByte();
bool isCompressed = (incByte & (byte)PacketHeader.IsCompressed) != 0;
bool isConnectionInitializationStep = (incByte & (byte)PacketHeader.IsConnectionInitializationStep) != 0;
//Console.WriteLine(isCompressed + " " + isConnectionInitializationStep + " " + (int)incByte);
if (isConnectionInitializationStep && initializationStep != ConnectionInitialization.Success)
{
ReadConnectionInitializationStep(inc);
}
else
{
if (initializationStep != ConnectionInitialization.Success)
{
OnInitializationComplete?.Invoke();
initializationStep = ConnectionInitialization.Success;
}
UInt16 length = inc.ReadUInt16();
IReadMessage msg = new ReadOnlyMessage(inc.Data, isCompressed, inc.PositionInBytes, length, ServerConnection);
OnMessageReceived?.Invoke(msg);
}
}
private void HandleStatusChanged(NetIncomingMessage inc)
{
if (!isActive) { return; }
NetConnectionStatus status = (NetConnectionStatus)inc.ReadByte();
switch (status)
{
case NetConnectionStatus.Disconnected:
string disconnectMsg = inc.ReadString();
Close(disconnectMsg);
OnDisconnectMessageReceived?.Invoke(disconnectMsg);
break;
}
}
private void ReadConnectionInitializationStep(NetIncomingMessage inc)
{
if (!isActive) { return; }
ConnectionInitialization step = (ConnectionInitialization)inc.ReadByte();
//Console.WriteLine(step + " " + initializationStep);
NetOutgoingMessage outMsg; NetSendResult result;
switch (step)
{
case ConnectionInitialization.SteamTicketAndVersion:
if (initializationStep != ConnectionInitialization.SteamTicketAndVersion) { return; }
outMsg = netClient.CreateMessage();
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.SteamTicketAndVersion);
outMsg.Write(Name);
outMsg.Write(ownerKey);
outMsg.Write(SteamManager.GetSteamID());
if (steamAuthTicket == null)
{
outMsg.Write((UInt16)0);
}
else
{
outMsg.Write((UInt16)steamAuthTicket.Data.Length);
outMsg.Write(steamAuthTicket.Data, 0, steamAuthTicket.Data.Length);
}
outMsg.Write(GameMain.Version.ToString());
IEnumerable<ContentPackage> mpContentPackages = GameMain.SelectedPackages.Where(cp => cp.HasMultiplayerIncompatibleContent);
outMsg.WriteVariableInt32(mpContentPackages.Count());
foreach (ContentPackage contentPackage in mpContentPackages)
{
outMsg.Write(contentPackage.Name);
outMsg.Write(contentPackage.MD5hash.Hash);
}
result = netClient.SendMessage(outMsg, NetDeliveryMethod.ReliableUnordered);
if (result != NetSendResult.Queued && result != NetSendResult.Sent)
{
DebugConsole.NewMessage("Failed to send "+initializationStep.ToString()+" message to host: " + result);
}
break;
case ConnectionInitialization.ContentPackageOrder:
if (initializationStep == ConnectionInitialization.SteamTicketAndVersion ||
initializationStep == ConnectionInitialization.Password) { initializationStep = ConnectionInitialization.ContentPackageOrder; }
if (initializationStep != ConnectionInitialization.ContentPackageOrder) { return; }
outMsg = netClient.CreateMessage();
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.ContentPackageOrder);
Int32 cpCount = inc.ReadVariableInt32();
List<ContentPackage> serverContentPackages = new List<ContentPackage>();
for (int i = 0; i < cpCount; i++)
{
string hash = inc.ReadString();
serverContentPackages.Add(GameMain.Config.SelectedContentPackages.Find(cp => cp.MD5hash.Hash == hash));
}
if (!contentPackageOrderReceived)
{
GameMain.Config.ReorderSelectedContentPackages(cp => serverContentPackages.Contains(cp) ?
serverContentPackages.IndexOf(cp) :
serverContentPackages.Count + GameMain.Config.SelectedContentPackages.IndexOf(cp));
contentPackageOrderReceived = true;
}
result = netClient.SendMessage(outMsg, NetDeliveryMethod.ReliableUnordered);
if (result != NetSendResult.Queued && result != NetSendResult.Sent)
{
DebugConsole.NewMessage("Failed to send " + initializationStep.ToString() + " message to host: " + result);
}
break;
case ConnectionInitialization.Password:
if (initializationStep == ConnectionInitialization.SteamTicketAndVersion) { initializationStep = ConnectionInitialization.Password; }
if (initializationStep != ConnectionInitialization.Password) { return; }
bool incomingSalt = inc.ReadBoolean(); inc.ReadPadBits();
int retries = 0;
if (incomingSalt)
{
passwordSalt = inc.ReadInt32();
}
else
{
retries = inc.ReadInt32();
}
OnRequestPassword?.Invoke(passwordSalt, retries);
break;
}
}
public override void SendPassword(string password)
{
if (!isActive) { return; }
if (initializationStep != ConnectionInitialization.Password) { return; }
NetOutgoingMessage outMsg = netClient.CreateMessage();
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.Password);
byte[] saltedPw = ServerSettings.SaltPassword(Encoding.UTF8.GetBytes(password), passwordSalt);
outMsg.Write((byte)saltedPw.Length);
outMsg.Write(saltedPw, 0, saltedPw.Length);
NetSendResult result = netClient.SendMessage(outMsg, NetDeliveryMethod.ReliableUnordered);
if (result != NetSendResult.Queued && result != NetSendResult.Sent)
{
DebugConsole.NewMessage("Failed to send " + initializationStep.ToString() + " message to host: " + result);
}
}
public override void Close(string msg = null)
{
if (!isActive) { return; }
isActive = false;
netClient.Shutdown(msg ?? TextManager.Get("Disconnecting"));
netClient = null;
steamAuthTicket?.Cancel(); steamAuthTicket = null;
OnDisconnect?.Invoke();
}
public override void Send(IWriteMessage msg, DeliveryMethod deliveryMethod)
{
if (!isActive) { return; }
NetDeliveryMethod lidgrenDeliveryMethod = NetDeliveryMethod.Unreliable;
switch (deliveryMethod)
{
case DeliveryMethod.Unreliable:
lidgrenDeliveryMethod = NetDeliveryMethod.Unreliable;
break;
case DeliveryMethod.Reliable:
lidgrenDeliveryMethod = NetDeliveryMethod.ReliableUnordered;
break;
case DeliveryMethod.ReliableOrdered:
lidgrenDeliveryMethod = NetDeliveryMethod.ReliableOrdered;
break;
}
#if DEBUG
netPeerConfiguration.SimulatedDuplicatesChance = GameMain.Client.SimulatedDuplicatesChance;
netPeerConfiguration.SimulatedMinimumLatency = GameMain.Client.SimulatedMinimumLatency;
netPeerConfiguration.SimulatedRandomLatency = GameMain.Client.SimulatedRandomLatency;
netPeerConfiguration.SimulatedLoss = GameMain.Client.SimulatedLoss;
#endif
NetOutgoingMessage lidgrenMsg = netClient.CreateMessage();
byte[] msgData = new byte[msg.LengthBytes];
msg.PrepareForSending(ref msgData, out bool isCompressed, out int length);
lidgrenMsg.Write((byte)(isCompressed ? PacketHeader.IsCompressed : PacketHeader.None));
lidgrenMsg.Write((UInt16)length);
lidgrenMsg.Write(msgData, 0, length);
NetSendResult result = netClient.SendMessage(lidgrenMsg, lidgrenDeliveryMethod);
if (result != NetSendResult.Queued && result != NetSendResult.Sent)
{
DebugConsole.NewMessage("Failed to send message to host: " + result);
}
}
#if DEBUG
public override void ForceTimeOut()
{
netClient?.ServerConnection?.ForceTimeOut();
}
#endif
}
}
@@ -0,0 +1,408 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using Barotrauma.Steam;
using System.Threading;
namespace Barotrauma.Networking
{
class SteamP2PClientPeer : ClientPeer
{
private bool isActive;
private UInt64 hostSteamId;
private ConnectionInitialization initializationStep;
private bool contentPackageOrderReceived;
private int passwordSalt;
private Steamworks.AuthTicket steamAuthTicket;
private double timeout;
private double heartbeatTimer;
private List<IReadMessage> incomingInitializationMessages;
private List<IReadMessage> incomingDataMessages;
public SteamP2PClientPeer(string name)
{
ServerConnection = null;
Name = name;
isActive = false;
}
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;
ServerConnection = new SteamP2PConnection("Server", 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);
initializationStep = ConnectionInitialization.SteamTicketAndVersion;
timeout = NetworkConnection.TimeoutThreshold;
heartbeatTimer = 1.0;
isActive = true;
}
private void OnIncomingConnection(Steamworks.SteamId steamId)
{
if (!isActive) { return; }
if (steamId == hostSteamId) { Steamworks.SteamNetworking.AcceptP2PSessionWithUser(steamId); }
}
private void OnP2PData(ulong steamId, byte[] data, int dataLength, int channel)
{
if (!isActive) { return; }
if (steamId != hostSteamId) { return; }
timeout = Screen.Selected == GameMain.GameScreen ?
NetworkConnection.TimeoutThresholdInGame :
NetworkConnection.TimeoutThreshold;
byte incByte = data[0];
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) { return; }
if (isConnectionInitializationStep)
{
ulong low = Lidgren.Network.NetBitWriter.ReadUInt32(data, 32, 8);
ulong high = Lidgren.Network.NetBitWriter.ReadUInt32(data, 32, 8+32);
ulong lobbyId = low + (high << 32);
Steam.SteamManager.JoinLobby(lobbyId, false);
IReadMessage inc = new ReadOnlyMessage(data, false, 1+8, dataLength - 9, ServerConnection);
if (initializationStep != ConnectionInitialization.Success)
{
incomingInitializationMessages.Add(inc);
}
}
else if (isHeartbeatMessage)
{
return; //TODO: implement heartbeats
}
else if (isDisconnectMessage)
{
IReadMessage inc = new ReadOnlyMessage(data, false, 1, dataLength - 1, ServerConnection);
string msg = inc.ReadString();
Close(msg);
OnDisconnectMessageReceived?.Invoke(msg);
}
else
{
UInt16 length = data[1];
length |= (UInt16)(((UInt32)data[2]) << 8);
IReadMessage inc = new ReadOnlyMessage(data, isCompressed, 3, length, ServerConnection);
incomingDataMessages.Add(inc);
}
}
public override void Update(float deltaTime)
{
if (!isActive) { return; }
timeout -= deltaTime;
heartbeatTimer -= deltaTime;
while (Steamworks.SteamNetworking.IsP2PPacketAvailable())
{
var packet = Steamworks.SteamNetworking.ReadP2PPacket();
if (packet.HasValue)
{
OnP2PData(packet?.SteamId ?? 0, packet?.Data, packet?.Data.Length ?? 0, 0);
}
}
if (heartbeatTimer < 0.0)
{
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write((byte)DeliveryMethod.Unreliable);
outMsg.Write((byte)PacketHeader.IsHeartbeatMessage);
Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Unreliable);
heartbeatTimer = 5.0;
}
if (timeout < 0.0)
{
Close("Timed out");
OnDisconnectMessageReceived?.Invoke("");
return;
}
if (initializationStep != ConnectionInitialization.Success)
{
if (incomingDataMessages.Count > 0)
{
OnInitializationComplete?.Invoke();
initializationStep = ConnectionInitialization.Success;
}
else
{
foreach (IReadMessage inc in incomingInitializationMessages)
{
ReadConnectionInitializationStep(inc);
}
}
}
if (initializationStep == ConnectionInitialization.Success)
{
foreach (IReadMessage inc in incomingDataMessages)
{
OnMessageReceived?.Invoke(inc);
}
}
incomingInitializationMessages.Clear();
incomingDataMessages.Clear();
}
private void ReadConnectionInitializationStep(IReadMessage inc)
{
if (!isActive) { return; }
ConnectionInitialization step = (ConnectionInitialization)inc.ReadByte();
IWriteMessage outMsg;
//DebugConsole.NewMessage(step + " " + initializationStep);
switch (step)
{
case ConnectionInitialization.SteamTicketAndVersion:
if (initializationStep != ConnectionInitialization.SteamTicketAndVersion) { return; }
outMsg = new WriteOnlyMessage();
outMsg.Write((byte)DeliveryMethod.Reliable);
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.SteamTicketAndVersion);
outMsg.Write(Name);
outMsg.Write(SteamManager.GetSteamID());
outMsg.Write((UInt16)steamAuthTicket.Data.Length);
outMsg.Write(steamAuthTicket.Data, 0, steamAuthTicket.Data.Length);
outMsg.Write(GameMain.Version.ToString());
IEnumerable<ContentPackage> mpContentPackages = GameMain.SelectedPackages.Where(cp => cp.HasMultiplayerIncompatibleContent);
outMsg.WriteVariableUInt32((UInt32)mpContentPackages.Count());
foreach (ContentPackage contentPackage in mpContentPackages)
{
outMsg.Write(contentPackage.Name);
outMsg.Write(contentPackage.MD5hash.Hash);
}
heartbeatTimer = 5.0;
Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Reliable);
break;
case ConnectionInitialization.ContentPackageOrder:
if (initializationStep == ConnectionInitialization.SteamTicketAndVersion ||
initializationStep == ConnectionInitialization.Password) { initializationStep = ConnectionInitialization.ContentPackageOrder; }
if (initializationStep != ConnectionInitialization.ContentPackageOrder) { return; }
outMsg = new WriteOnlyMessage();
outMsg.Write((byte)DeliveryMethod.Reliable);
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.ContentPackageOrder);
UInt32 cpCount = inc.ReadVariableUInt32();
List<ContentPackage> serverContentPackages = new List<ContentPackage>();
for (int i = 0; i < cpCount; i++)
{
string hash = inc.ReadString();
serverContentPackages.Add(GameMain.Config.SelectedContentPackages.Find(cp => cp.MD5hash.Hash == hash));
}
if (!contentPackageOrderReceived)
{
GameMain.Config.ReorderSelectedContentPackages(cp => serverContentPackages.Contains(cp) ?
serverContentPackages.IndexOf(cp) :
serverContentPackages.Count + GameMain.Config.SelectedContentPackages.IndexOf(cp));
contentPackageOrderReceived = true;
}
Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Reliable);
break;
case ConnectionInitialization.Password:
if (initializationStep == ConnectionInitialization.SteamTicketAndVersion) { initializationStep = ConnectionInitialization.Password; }
if (initializationStep != ConnectionInitialization.Password) { return; }
bool incomingSalt = inc.ReadBoolean(); inc.ReadPadBits();
int retries = 0;
if (incomingSalt)
{
passwordSalt = inc.ReadInt32();
}
else
{
retries = inc.ReadInt32();
}
OnRequestPassword?.Invoke(passwordSalt, retries);
break;
}
}
public override void Send(IWriteMessage msg, DeliveryMethod deliveryMethod)
{
if (!isActive) { return; }
byte[] buf = new byte[msg.LengthBytes + 4];
buf[0] = (byte)deliveryMethod;
byte[] bufAux = new byte[msg.LengthBytes];
bool isCompressed; int length;
msg.PrepareForSending(ref bufAux, out isCompressed, out length);
buf[1] = (byte)(isCompressed ? PacketHeader.IsCompressed : PacketHeader.None);
buf[2] = (byte)(length & 0xff);
buf[3] = (byte)((length >> 8) & 0xff);
Array.Copy(bufAux, 0, buf, 4, length);
Steamworks.P2PSend sendType;
switch (deliveryMethod)
{
case DeliveryMethod.Reliable:
case DeliveryMethod.ReliableOrdered:
//the documentation seems to suggest that the Reliable send type
//enforces packet order (TODO: verify)
sendType = Steamworks.P2PSend.Reliable;
break;
default:
sendType = Steamworks.P2PSend.Unreliable;
break;
}
if (length + 8 >= MsgConstants.MTU)
{
DebugConsole.Log("WARNING: message length comes close to exceeding MTU, forcing reliable send (" + length.ToString() + " bytes)");
sendType = Steamworks.P2PSend.Reliable;
}
heartbeatTimer = 5.0;
#if DEBUG
CoroutineManager.InvokeAfter(() =>
{
if (GameMain.Client == null) { return; }
if (Rand.Range(0.0f, 1.0f) < GameMain.Client.SimulatedLoss && sendType != Steamworks.P2PSend.Reliable) { return; }
int count = Rand.Range(0.0f, 1.0f) < GameMain.Client.SimulatedDuplicatesChance ? 2 : 1;
for (int i = 0; i < count; i++)
{
Send(buf, length + 4, sendType);
}
},
GameMain.Client.SimulatedMinimumLatency + Rand.Range(0.0f, GameMain.Client.SimulatedRandomLatency));
#else
Send(buf, length + 4, sendType);
#endif
}
private void Send(byte[] buf, int length, Steamworks.P2PSend sendType)
{
bool successSend = Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, buf, length + 4, 0, sendType);
if (!successSend)
{
if (sendType != Steamworks.P2PSend.Reliable)
{
DebugConsole.Log("WARNING: message couldn't be sent unreliably, forcing reliable send (" + length.ToString() + " bytes)");
sendType = Steamworks.P2PSend.Reliable;
successSend = Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, buf, length + 4, 0, sendType);
}
if (!successSend)
{
DebugConsole.ThrowError("Failed to send message to remote peer! (" + length.ToString() + " bytes)");
}
}
}
public override void SendPassword(string password)
{
if (!isActive) { return; }
if (initializationStep != ConnectionInitialization.Password) { return; }
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write((byte)DeliveryMethod.Reliable);
outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
outMsg.Write((byte)ConnectionInitialization.Password);
byte[] saltedPw = ServerSettings.SaltPassword(Encoding.UTF8.GetBytes(password), passwordSalt);
outMsg.Write((byte)saltedPw.Length);
outMsg.Write(saltedPw, 0, saltedPw.Length);
heartbeatTimer = 5.0;
Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Reliable);
}
public override void Close(string msg = null)
{
if (!isActive) { return; }
SteamManager.LeaveLobby();
isActive = false;
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write((byte)DeliveryMethod.Reliable);
outMsg.Write((byte)PacketHeader.IsDisconnectMessage);
outMsg.Write(msg ?? "Disconnected");
Steamworks.SteamNetworking.SendP2PPacket(hostSteamId, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Reliable);
Thread.Sleep(100);
Steamworks.SteamNetworking.ResetActions();
Steamworks.SteamNetworking.CloseP2PSessionWithUser(hostSteamId);
steamAuthTicket?.Cancel(); steamAuthTicket = null;
hostSteamId = 0;
OnDisconnect?.Invoke();
}
~SteamP2PClientPeer()
{
OnDisconnect = null;
Close();
}
#if DEBUG
public override void ForceTimeOut()
{
timeout = 0.0f;
}
#endif
}
}
@@ -0,0 +1,446 @@
using System;
using System.Collections.Generic;
using System.Net;
using System.Text;
using Barotrauma.Steam;
using System.Linq;
using System.Threading;
namespace Barotrauma.Networking
{
class SteamP2POwnerPeer : ClientPeer
{
private bool isActive;
private ConnectionInitialization initializationStep;
private UInt64 selfSteamID;
class RemotePeer
{
public UInt64 SteamID;
public double? DisconnectTime;
public bool Authenticating;
public bool Authenticated;
public class UnauthedMessage
{
public DeliveryMethod DeliveryMethod;
public IWriteMessage Message;
}
public List<UnauthedMessage> UnauthedMessages;
public RemotePeer(UInt64 steamId)
{
SteamID = steamId;
DisconnectTime = null;
Authenticating = false;
Authenticated = false;
UnauthedMessages = new List<UnauthedMessage>();
}
}
List<RemotePeer> remotePeers;
public SteamP2POwnerPeer(string name)
{
ServerConnection = null;
Name = name;
isActive = false;
selfSteamID = Steam.SteamManager.GetSteamID();
}
public override void Start(object endPoint, int ownerKey)
{
if (isActive) { return; }
initializationStep = ConnectionInitialization.SteamTicketAndVersion;
ServerConnection = new PipeConnection();
ServerConnection.Status = NetworkConnectionStatus.Connected;
remotePeers = new List<RemotePeer>();
Steamworks.SteamNetworking.ResetActions();
Steamworks.SteamNetworking.OnP2PSessionRequest = OnIncomingConnection;
Steamworks.SteamUser.OnValidateAuthTicketResponse += OnAuthChange;
isActive = true;
}
private void OnAuthChange(Steamworks.SteamId steamID, Steamworks.SteamId ownerID, Steamworks.AuthResponse status)
{
RemotePeer remotePeer = remotePeers.Find(p => p.SteamID == steamID);
DebugConsole.Log(steamID + " validation: " + status + ", " + (remotePeer != null));
if (remotePeer == null) { return; }
if (remotePeer.Authenticated)
{
if (status != Steamworks.AuthResponse.OK)
{
DisconnectPeer(remotePeer, DisconnectReason.SteamAuthenticationFailed.ToString() + "/ Steam authentication status changed: " + status.ToString());
}
return;
}
if (status == Steamworks.AuthResponse.OK)
{
remotePeer.Authenticated = true;
remotePeer.Authenticating = false;
foreach (var msg in remotePeer.UnauthedMessages)
{
byte[] msgToSend = (byte[])msg.Message.Buffer.Clone();
Array.Resize(ref msgToSend, msg.Message.LengthBytes);
ChildServerRelay.Write(msgToSend);
}
remotePeer.UnauthedMessages.Clear();
}
else
{
DisconnectPeer(remotePeer, DisconnectReason.SteamAuthenticationFailed.ToString() + "/ Steam authentication failed: " + status.ToString());
return;
}
}
private void OnIncomingConnection(Steamworks.SteamId steamId)
{
if (!isActive) { return; }
if (!remotePeers.Any(p => p.SteamID == steamId))
{
remotePeers.Add(new RemotePeer(steamId));
}
Steamworks.SteamNetworking.AcceptP2PSessionWithUser(steamId); //accept all connections, the server will figure things out later
}
private void OnP2PData(ulong steamId, byte[] data, int dataLength, int channel)
{
if (!isActive) { return; }
RemotePeer remotePeer = remotePeers.Find(p => p.SteamID == steamId);
if (remotePeer == null || remotePeer.DisconnectTime != null)
{
return;
}
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write(steamId);
outMsg.Write(data, 1, dataLength - 1);
DeliveryMethod deliveryMethod = (DeliveryMethod)data[0];
byte incByte = data[1];
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 (!remotePeer.Authenticated)
{
if (!remotePeer.Authenticating)
{
if (isConnectionInitializationStep)
{
remotePeer.DisconnectTime = null;
IReadMessage authMsg = new ReadOnlyMessage(data, isCompressed, 2, dataLength - 2, null);
ConnectionInitialization initializationStep = (ConnectionInitialization)authMsg.ReadByte();
//Console.WriteLine("received init step from "+steamId.ToString()+" ("+initializationStep.ToString()+")");
if (initializationStep == ConnectionInitialization.SteamTicketAndVersion)
{
remotePeer.Authenticating = true;
authMsg.ReadString(); //skip name
authMsg.ReadUInt64(); //skip steamid
UInt16 ticketLength = authMsg.ReadUInt16();
byte[] ticket = authMsg.ReadBytes(ticketLength);
Steamworks.BeginAuthResult authSessionStartState = Steam.SteamManager.StartAuthSession(ticket, steamId);
if (authSessionStartState != Steamworks.BeginAuthResult.OK)
{
DisconnectPeer(remotePeer, DisconnectReason.SteamAuthenticationFailed.ToString() + "/ Steam auth session failed to start: " + authSessionStartState.ToString());
return;
}
}
}
}
}
if (remotePeer.Authenticating)
{
remotePeer.UnauthedMessages.Add(new RemotePeer.UnauthedMessage() { DeliveryMethod = deliveryMethod, Message = outMsg });
}
else
{
byte[] msgToSend = (byte[])outMsg.Buffer.Clone();
Array.Resize(ref msgToSend, outMsg.LengthBytes);
ChildServerRelay.Write(msgToSend);
}
}
public override void Update(float deltaTime)
{
if (!isActive) { return; }
if (ChildServerRelay.HasShutDown || (ChildServerRelay.Process?.HasExited ?? true))
{
Close();
var msgBox = new GUIMessageBox(TextManager.Get("ConnectionLost"), TextManager.Get("ServerProcessClosed"));
msgBox.Buttons[0].OnClicked += (btn, obj) => { GameMain.MainMenuScreen.Select(); return false; };
return;
}
for (int i = remotePeers.Count - 1; i >= 0; i--)
{
if (remotePeers[i].DisconnectTime != null && remotePeers[i].DisconnectTime < Timing.TotalTime)
{
ClosePeerSession(remotePeers[i]);
}
}
while (Steamworks.SteamNetworking.IsP2PPacketAvailable())
{
var packet = Steamworks.SteamNetworking.ReadP2PPacket();
if (packet.HasValue)
{
OnP2PData(packet?.SteamId ?? 0, packet?.Data, packet?.Data.Length ?? 0, 0);
}
}
while (ChildServerRelay.Read(out byte[] incBuf))
{
ChildServerRelay.DisposeLocalHandles();
IReadMessage inc = new ReadOnlyMessage(incBuf, false, 0, incBuf.Length, ServerConnection);
HandleDataMessage(inc);
}
}
private void HandleDataMessage(IReadMessage inc)
{
if (!isActive) { return; }
UInt64 recipientSteamId = inc.ReadUInt64();
DeliveryMethod deliveryMethod = (DeliveryMethod)inc.ReadByte();
int p2pDataStart = inc.BytePosition;
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 (recipientSteamId != selfSteamID)
{
if (!isServerMessage)
{
DebugConsole.ThrowError("Received non-server message meant for remote peer");
return;
}
RemotePeer peer = remotePeers.Find(p => p.SteamID == recipientSteamId);
if (peer == null) { return; }
if (isDisconnectMessage)
{
DisconnectPeer(peer, inc.ReadString());
return;
}
Steamworks.P2PSend sendType;
switch (deliveryMethod)
{
case DeliveryMethod.Reliable:
case DeliveryMethod.ReliableOrdered:
//the documentation seems to suggest that the Reliable send type
//enforces packet order (TODO: verify)
sendType = Steamworks.P2PSend.Reliable;
break;
default:
sendType = Steamworks.P2PSend.Unreliable;
break;
}
byte[] p2pData;
if (isConnectionInitializationStep)
{
p2pData = new byte[inc.LengthBytes - p2pDataStart + 8];
p2pData[0] = inc.Buffer[p2pDataStart];
Lidgren.Network.NetBitWriter.WriteUInt64(SteamManager.CurrentLobbyID, 64, p2pData, 8);
Array.Copy(inc.Buffer, p2pDataStart+1, p2pData, 9, inc.LengthBytes - p2pDataStart - 1);
}
else
{
p2pData = new byte[inc.LengthBytes - p2pDataStart];
Array.Copy(inc.Buffer, p2pDataStart, p2pData, 0, p2pData.Length);
}
if (p2pData.Length + 4 >= MsgConstants.MTU)
{
DebugConsole.Log("WARNING: message length comes close to exceeding MTU, forcing reliable send (" + p2pData.Length.ToString() + " bytes)");
sendType = Steamworks.P2PSend.Reliable;
}
bool successSend = Steamworks.SteamNetworking.SendP2PPacket(recipientSteamId, p2pData, p2pData.Length, 0, sendType);
if (!successSend)
{
if (sendType != Steamworks.P2PSend.Reliable)
{
DebugConsole.Log("WARNING: message couldn't be sent unreliably, forcing reliable send (" + p2pData.Length.ToString() + " bytes)");
sendType = Steamworks.P2PSend.Reliable;
successSend = Steamworks.SteamNetworking.SendP2PPacket(recipientSteamId, p2pData, p2pData.Length, 0, sendType);
}
if (!successSend)
{
DebugConsole.ThrowError("Failed to send message to remote peer! (" + p2pData.Length.ToString() + " bytes)");
}
}
}
else
{
if (isDisconnectMessage)
{
DebugConsole.ThrowError("Received disconnect message from owned server");
return;
}
if (!isServerMessage)
{
DebugConsole.ThrowError("Received non-server message from owned server");
return;
}
if (isHeartbeatMessage)
{
return; //timeout is handled by Lidgren, ignore this message
}
if (isConnectionInitializationStep)
{
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write(selfSteamID);
outMsg.Write((byte)(PacketHeader.IsConnectionInitializationStep));
outMsg.Write(Name);
byte[] msgToSend = (byte[])outMsg.Buffer.Clone();
Array.Resize(ref msgToSend, outMsg.LengthBytes);
ChildServerRelay.Write(msgToSend);
return;
}
else
{
if (initializationStep != ConnectionInitialization.Success)
{
OnInitializationComplete?.Invoke();
initializationStep = ConnectionInitialization.Success;
}
UInt16 length = inc.ReadUInt16();
IReadMessage msg = new ReadOnlyMessage(inc.Buffer, isCompressed, inc.BytePosition, length, ServerConnection);
OnMessageReceived?.Invoke(msg);
return;
}
}
}
private void DisconnectPeer(RemotePeer peer, string msg)
{
if (!string.IsNullOrWhiteSpace(msg))
{
if (peer.DisconnectTime == null)
{
peer.DisconnectTime = Timing.TotalTime + 1.0;
}
IWriteMessage outMsg = new WriteOnlyMessage();
outMsg.Write((byte)(PacketHeader.IsServerMessage | PacketHeader.IsDisconnectMessage));
outMsg.Write(msg);
Steamworks.SteamNetworking.SendP2PPacket(peer.SteamID, outMsg.Buffer, outMsg.LengthBytes, 0, Steamworks.P2PSend.Reliable);
}
else
{
ClosePeerSession(peer);
}
}
private void ClosePeerSession(RemotePeer peer)
{
Steamworks.SteamNetworking.CloseP2PSessionWithUser(peer.SteamID);
remotePeers.Remove(peer);
}
public override void SendPassword(string password)
{
return; //owner doesn't send passwords
}
public override void Close(string msg = null)
{
if (!isActive) { return; }
isActive = false;
for (int i = remotePeers.Count - 1; i >= 0; i--)
{
DisconnectPeer(remotePeers[i], msg ?? DisconnectReason.ServerShutdown.ToString());
}
Thread.Sleep(100);
for (int i = remotePeers.Count - 1; i >= 0; i--)
{
ClosePeerSession(remotePeers[i]);
}
ChildServerRelay.ShutDown();
OnDisconnect?.Invoke();
SteamManager.LeaveLobby();
Steamworks.SteamNetworking.ResetActions();
Steamworks.SteamUser.OnValidateAuthTicketResponse -= OnAuthChange;
}
public override void Send(IWriteMessage msg, DeliveryMethod deliveryMethod)
{
if (!isActive) { return; }
IWriteMessage msgToSend = new WriteOnlyMessage();
byte[] msgData = new byte[msg.LengthBytes];
msg.PrepareForSending(ref msgData, out bool isCompressed, out int length);
msgToSend.Write(selfSteamID);
msgToSend.Write((byte)(isCompressed ? PacketHeader.IsCompressed : PacketHeader.None));
msgToSend.Write((UInt16)length);
msgToSend.Write(msgData, 0, length);
byte[] bufToSend = (byte[])msgToSend.Buffer.Clone();
Array.Resize(ref bufToSend, msgToSend.LengthBytes);
ChildServerRelay.Write(bufToSend);
}
~SteamP2POwnerPeer()
{
OnDisconnect = null;
Close();
}
#if DEBUG
public override void ForceTimeOut()
{
//TODO: reimplement?
}
#endif
}
}