private void Ping_PingCompleted(object sender, PingCompletedEventArgs e)
{
if (!stop.WaitOne(0, true))
{
var ping = (Ping)sender;
if (e != null && e.UserState != null)
{
var address = (IPAddress)e.UserState;
PingReceived?.Invoke(address, e.Reply);
if (e.Reply.Status == IPStatus.Success)
{
successful.Add(address);
}
lock (_lock) active.RemoveAll(o => o == address);
CheckCompleted();
}
lock (_lock) activeRequests.RemoveAll(o => o == ping);
}
}
private void OnMessageReceived(string jsonMessage)
{
var message = Deserialize <SocketMessageResponse>(jsonMessage);
if (message.Type == "error")
{
var errorMessage = Deserialize <ErrorMessageResponse>(jsonMessage);
ErrorReceived?.Invoke(errorMessage.Message);
}
else if (message.Type == "ping")
{
PingReceived?.Invoke();
}
else
{
HandleMessage(message.Type, jsonMessage);
}
}
private void OnLineReceived(string line)
{
if (line.StartsWith("PING"))
{
PingReceived?.Invoke(new PingMessage
{
Message = line.Substring(5)
});
return;
}
if (!line.StartsWith(":"))
{
return;
}
var sections = line.Split(':');
var args = sections[1].Split(' ');
if (args[1] == "001")
{
IsLoggedIn = true;
LoggedIn?.Invoke();
return;
}
if (args[1] == "PRIVMSG")
{
MessageReceived?.Invoke(new PrivateMessage
{
From = new Identity(args[0]),
Channel = args[2],
Message = sections[2]
});
return;
}
return;
}
protected virtual void OnPingReceived(string serverAddress)
{
PingReceived?.Invoke(this, new PingReceivedEventArgs(serverAddress));
}
protected virtual void OnPingReceived(PingReceivedArgs e)
{
PingReceived?.Invoke(this, e);
}
private void WebsocketPacketHandler_SocketMessageReceived(List <Packet> packets)
{
// Server may send more than one packet.
// -------------------------------------
foreach (var packet in packets)
{
if (packet.Header == ConnectionAcceptedPacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
SendPacket(new ClientInfoPacket(false, UserAgent, packet.Data["hash"].ToString(), 0, false));
SendPacket(new OpenAcknowledgedPacket());
var eventArgs = new ConnectionAcceptedEventArgs(packet.Data["conn_id"].ToString(), packet.Data["hash"].ToString());
ConnectionAccepted?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == ConversationEndedPacket.ToString())
{
// Unusual behavior, server sends "convended" without any data
// if "flag stranger" packet is sent and no conversation have
// been started before.
//
// Hence, we have to handle it like this.
// -----------------------------------------------------------
IsStrangerConnected = false;
if (packet.Data != null)
{
var di = new DisconnectInfo(true, int.Parse(packet.Data.ToString()));
var eventArgs = new ConversationEndedEventArgs(di);
ConversationEnded?.Invoke(this, eventArgs);
}
else
{
var di = new DisconnectInfo(true, -1);
var eventArgs = new ConversationEndedEventArgs(di);
ConversationEnded?.Invoke(this, eventArgs);
}
continue;
}
if (packet.Header == StrangerDisconnectedPacket.ToString())
{
if (CurrentCID != packet.Data.ToString() && EncounteredClientIDs.Contains(packet.Data.ToString()))
{
EncounteredClientIDs.Remove(packet.Data.ToString());
continue;
}
IsStrangerConnected = false;
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
var di = new DisconnectInfo(false, int.Parse(packet.Data.ToString()));
var eventArgs = new ConversationEndedEventArgs(di);
ConversationEnded?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == MessageReceivedPacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
int postId = -1;
if (packet.AdditionalFields.ContainsKey("post_id"))
{
postId = int.Parse(packet.AdditionalFields["post_id"].ToString());
}
var message = new Message(
packet.Data["msg"].ToString(),
int.Parse(packet.Data["cid"].ToString()),
postId,
MessageType.Chat
);
var eventArgs = new MessageEventArgs(message);
MessageReceived?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == OnlinePeopleCountPacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
int number;
if (!int.TryParse(packet.Data.ToString(), out number))
{
number = -1;
}
var eventArgs = new OnlineCountEventArgs(number);
OnlinePeopleCountChanged?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == PingPacket.ToString())
{
if (KeepAlive)
{
PongResponse();
}
var eventArgs = new PingEventArgs(DateTime.Now);
PingReceived?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == RandomTopicReceivedPacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
var message = new Message(
packet.Data["topic"].ToString(),
int.Parse(packet.Data["cid"].ToString()),
int.Parse(packet.AdditionalFields["post_id"].ToString()),
MessageType.Topic
);
var eventArgs = new MessageEventArgs(message);
MessageReceived?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == ServiceMessageReceivedPacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
var message = new Message(packet.Data.ToString(), -1, -1, MessageType.Service);
var eventArgs = new MessageEventArgs(message);
MessageReceived?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == StrangerChatstatePacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
bool writing;
if (!bool.TryParse(packet.Data.ToString(), out writing))
{
writing = false;
}
var chatState = writing ? ChatState.Writing : ChatState.Idle;
var eventArgs = new ChatstateEventArgs(chatState);
StrangerChatstateChanged?.Invoke(this, eventArgs);
continue;
}
if (packet.Header == StrangerFoundPacket.ToString())
{
if (packet.Data == null)
{
throw new Exception("Invalid packet received, packet data is null.");
}
CurrentContactUID = packet.Data["ckey"].ToString();
SendPacket(new ConversationStartAcknowledged(CurrentContactUID));
ActionID++;
EncounteredClientIDs.Add(packet.Data["cid"].ToString());
IsSearchingForStranger = false;
IsStrangerConnected = true;
var si = new StrangerInfo(
int.Parse(packet.Data["cid"].ToString()),
packet.Data["ckey"].ToString(),
bool.Parse(packet.Data["flaged"].ToString()),
packet.Data["info"]
);
var eventArgs = new StrangerFoundEventArgs(si);
StrangerFound?.Invoke(this, eventArgs);
}
}
}
public void Tick()
{
if (!_clientDriver.IsCreated)
{
return;
}
_clientDriver.ScheduleUpdate().Complete();
if (_timeout > 0 && IsConnected && Time.time - LastPongTime > _timeout)
{
Debug.LogWarning("Disconnected due to timeout");
Disconnect();
return;
}
// listen for events
NetworkEvent.Type eventType;
while ((eventType = _clientToServerConnection.PopEvent(_clientDriver, out DataStreamReader streamReader))
!= NetworkEvent.Type.Empty)
{
if (eventType == NetworkEvent.Type.Connect)
{
Debug.Log("Connected!");
State = ClientState.Connected;
Connected?.Invoke();
}
else if (eventType == NetworkEvent.Type.Data)
{
DataReceived?.Invoke(streamReader.Length);
int command = streamReader.ReadInt();
switch (command)
{
case Commands.AssignActorNumber:
{
ActorNumber = streamReader.ReadInt();
Debug.Log($"Got assigned actor number {ActorNumber}");
DataStreamWriter writer =
_clientDriver.BeginSend(_reliablePipeline, _clientToServerConnection);
writer.WriteInt(Commands.AcknowledgeActorNumber);
_clientDriver.EndSend(writer);
DataSent?.Invoke(writer.Length);
break;
}
case Commands.AcceptPlayer:
{
DataStreamWriter writer =
_clientDriver.BeginSend(_reliablePipeline, _clientToServerConnection);
writer.WriteInt(Commands.RequestSpawnMessage);
writer.WriteInt(SceneManager.sceneCount);
for (var i = 0; i < SceneManager.sceneCount; i++)
{
writer.WriteInt(SceneManager.GetSceneAt(i).buildIndex);
}
SceneManager.sceneLoaded += OnSceneLoaded;
_clientDriver.EndSend(writer);
break;
}
case Commands.Ping:
{
LastPongTime = Time.time;
float sendLocalTime = streamReader.ReadFloat();
float serverTime = streamReader.ReadFloat();
float serverDeltaTime = streamReader.ReadFloat();
RoundTripTime = Time.time - sendLocalTime;
Latency = IsHost
? 0
: Mathf.Max(0, (RoundTripTime - serverDeltaTime / 2 - Time.deltaTime / 2) / 2);
// estimated server time NOW is received serverTime + latency for one trip + average frame wait on client side
float serverTimeOffset = serverTime - Time.time + Latency + Time.deltaTime / 2;
_averageServerTimeOffset = Mathf.Abs(_averageServerTimeOffset - serverTime) > 0.5f
? serverTimeOffset
: 0.9f * _averageServerTimeOffset + 0.1f * serverTimeOffset;
PingReceived?.Invoke(RoundTripTime, Latency);
break;
}
case Commands.SpawnNetObjects:
{
if (IsHost)
{
break;
}
int count = streamReader.ReadInt();
for (var i = 0; i < count; i++)
{
int netObjID = streamReader.ReadInt();
ushort prefabIndex = streamReader.ReadUShort();
int ownerActorNumber = streamReader.ReadInt();
Vector3 position = streamReader.ReadVector3();
Quaternion rotation = streamReader.ReadQuaternion();
int sceneBuildIndex = streamReader.ReadInt();
int size = streamReader.ReadInt();
int bytesRead = streamReader.GetBytesRead();
Scene scene = SceneManager.GetSceneByBuildIndex(sceneBuildIndex);
var deserialized = false;
if (scene != null && scene.isLoaded)
{
NetObject netObject = NetObjectManager.Instance.SpawnOnClient(netObjID, prefabIndex,
ownerActorNumber, position, rotation, scene);
if (netObject != null)
{
netObject.Deserialize(ref streamReader, behaviour => true);
deserialized = true;
}
}
if (!deserialized)
{
streamReader.DiscardBytes(size);
}
if (streamReader.GetBytesRead() - bytesRead != size)
{
Debug.LogWarning("Did not deserialize properly!");
}
}
break;
}
case Commands.UpdateNetAssets:
{
if (IsHost)
{
break;
}
int assetsInMessage = streamReader.ReadInt();
for (var i = 0; i < assetsInMessage; i++)
{
int assetNetID = streamReader.ReadInt();
int size = streamReader.ReadInt();
int bytesRead = streamReader.GetBytesRead();
try
{
NetAsset netAsset = NetAssetManager.Instance.Get(assetNetID);
netAsset.Deserialize(ref streamReader);
}
catch (Exception e)
{
Debug.LogException(new NetException($"Failed to update net asset {assetNetID}", e));
streamReader.DiscardBytes(size + bytesRead - streamReader.GetBytesRead());
}
}
break;
}
case Commands.UpdateNetObjects:
{
if (IsHost)
{
break;
}
int objectsInMessage = streamReader.ReadInt();
for (var i = 0; i < objectsInMessage; i++)
{
int netObjID = streamReader.ReadInt();
int size = streamReader.ReadInt();
if (NetObjectManager.Instance.Exists(netObjID))
{
NetObject netObject = NetObjectManager.Instance.Get(netObjID);
int bytesRead = streamReader.GetBytesRead();
try
{
netObject.Deserialize(ref streamReader, behaviour => !behaviour.HasAuthority);
}
catch (Exception e)
{
Debug.LogException(
new NetException($"Failed to update net object {netObjID}", e));
streamReader.DiscardBytes(size + bytesRead - streamReader.GetBytesRead());
}
}
else
{
streamReader.DiscardBytes(size);
}
}
break;
}
case Commands.UnspawnNetObjects:
{
if (IsHost)
{
break;
}
int count = streamReader.ReadInt();
for (var i = 0; i < count; i++)
{
int netObjID = streamReader.ReadInt();
NetObjectManager.Instance.Unspawn(netObjID);
}
break;
}
case Commands.GameAction:
{
if (IsHost)
{
break;
}
int gameActionID = streamReader.ReadInt();
int actorNumber = streamReader.ReadInt();
float triggerTime = streamReader.ReadFloat();
bool valid = streamReader.ReadBool();
try
{
GameAction gameAction = GameActionManager.Instance.Get(gameActionID);
GameAction.IParameters parameters = gameAction.DeserializeParameters(ref streamReader);
gameAction.ReceiveOnClient(parameters, valid, actorNumber, triggerTime);
break;
}
catch (Exception e)
{
Debug.LogException(e);
break;
}
}
case Commands.NetAssetRPC:
{
if (IsHost)
{
break;
}
float sentServerTime = streamReader.ReadFloat();
int netAssetID = streamReader.ReadInt();
NetAsset netAsset = NetAssetManager.Instance.Get(netAssetID);
NetAsset.RPC rpc = netAsset.DeserializeRPC(ref streamReader);
var messageInfo = new MessageInfo
{
SentServerTime = sentServerTime, SenderActorNumber = Server.ServerActorNumber
};
rpc.Invoke(messageInfo);
break;
}
case Commands.NetObjectRPC:
{
if (IsHost)
{
break;
}
float sentServerTime = streamReader.ReadFloat();
int netObjectID = streamReader.ReadInt();
if (!NetObjectManager.Instance.Exists(netObjectID))
{
Debug.LogWarning("Ignoring received RPC, because NetObject was not found.");
break;
}
NetObject netObject = NetObjectManager.Instance.Get(netObjectID);
ushort netBehaviourID = streamReader.ReadUShort();
NetBehaviour netBehaviour = netObject.Get(netBehaviourID);
NetObjectManager.RPC rpc =
NetObjectManager.Instance.DeserializeRPC(ref streamReader, netBehaviour);
var messageInfo = new MessageInfo
{
SentServerTime = sentServerTime, SenderActorNumber = Server.ServerActorNumber
};
rpc.Invoke(messageInfo);
break;
}
default:
Debug.LogError($"Unknown event type {eventType}");
break;
}
}
else if (eventType == NetworkEvent.Type.Disconnect)
{
Debug.Log("Disconnected!");
SceneManager.sceneLoaded -= OnSceneLoaded;
Disconnected?.Invoke();
State = ClientState.Disconnected;
_clientToServerConnection = default;
}
}
}
private void Queue_PingReceived(IPAddress address, PingReply reply)
{
PingReceived?.Invoke(this, address, reply);
}
private void OnPingReceived()
{
PingReceived?.Invoke();
}