public void StatusCallbackFunction(ref StatusInfo info, IntPtr context)
{
switch (info.connectionInfo.state)
{
case ConnectionState.None:
break;
case ConnectionState.Connecting: {
if (info.connectionInfo.listenSocket != listenSocket)
{
mainServer.StatusCallbackFunction(ref info, context);
break;
}
//Console.WriteLine("connecting on file server");
if (mainServer.bannedIPs.Contains(info.connectionInfo.address.GetIP()))
{
//Console.WriteLine("Ban player attempted to connect to the server, IP: {0}", info.connectionInfo.address.GetIP());
server.CloseConnection(info.connection);
}
else
{
server.AcceptConnection(info.connection);
server.SetConnectionPollGroup(pollGroup, info.connection);
}
} break;
case ConnectionState.Connected: {
if (info.connectionInfo.listenSocket != listenSocket)
{
mainServer.StatusCallbackFunction(ref info, context);
break;
}
if (mainServer.motdBytes != null)
{
server.SendMessageToConnection(info.connection, mainServer.motdBytes);
}
//Console.WriteLine("connected on file server");
} break;
case ConnectionState.ClosedByPeer:
case ConnectionState.ProblemDetectedLocally:
mainServer.RemovePlayer(info.connection);
break;
}
}
void InitCallbacks()
{
status = (info, context) => {
switch (info.connectionInfo.state)
{
case ConnectionState.None:
break;
case ConnectionState.Connecting:
server.AcceptConnection(info.connection);
break;
case ConnectionState.Connected:
Debug.Log("Client connected - ID: " + info.connection + ", IP: " + info.connectionInfo.address.GetIP());
break;
case ConnectionState.ClosedByPeer:
server.CloseConnection(info.connection);
Debug.Log("Client disconnected - ID: " + info.connection + ", IP: " + info.connectionInfo.address.GetIP());
break;
}
};
}
public static void ServerLoop()
{
Library.Initialize();
server = new NetworkingSockets();
Address address = new Address();
NetworkingUtils utils = new NetworkingUtils();
utils.SetDebugCallback(DebugType.Important, (type, message) => {
Console.WriteLine("Valve Debug - Type: {0}, Message: {1}", type, message);
});
unsafe {
int sendRateMin = 5 * 1024 * 1024;
int sendRateMax = MAX_UPLOAD;
int sendBufferSize = MAX_BUFFER;
utils.SetConfigurationValue(ConfigurationValue.SendRateMin, ConfigurationScope.Global, IntPtr.Zero, ConfigurationDataType.Int32, new IntPtr(&sendRateMin));
utils.SetConfigurationValue(ConfigurationValue.SendRateMax, ConfigurationScope.Global, IntPtr.Zero, ConfigurationDataType.Int32, new IntPtr(&sendRateMax));
utils.SetConfigurationValue(ConfigurationValue.SendBufferSize, ConfigurationScope.Global, IntPtr.Zero, ConfigurationDataType.Int32, new IntPtr(&sendBufferSize));
}
address.SetAddress("::0", port);
uint listenSocket = server.CreateListenSocket(ref address);
uint pollGroup = server.CreatePollGroup();
Console.WriteLine($"Server {SERVER_NAME} started Listening on port {port} for maximum of {MAX_PLAYERS} players\nEnforcing maps is {ENFORCE_MAPS}");
StartAnnouncing();
StatusCallback status = (ref StatusInfo info, IntPtr context) => {
switch (info.connectionInfo.state)
{
case ConnectionState.None:
break;
case ConnectionState.Connecting:
server.AcceptConnection(info.connection);
server.SetConnectionPollGroup(pollGroup, info.connection);
break;
case ConnectionState.Connected:
Console.WriteLine("Client connected - IP: " + info.connectionInfo.address.GetIP());
bool openSlot = false;
for (byte i = 0; i < MAX_PLAYERS; i++)
{
if (players[i] == null)
{
players[i] = new Player(i, info.connection, info.connectionInfo.address);
byte[] versionNumber = ASCIIEncoding.ASCII.GetBytes(VERSION_NUMBER);
byte[] versionMessage = new byte[versionNumber.Length + 1];
versionMessage[0] = (byte)OpCode.VersionNumber;
Array.Copy(versionNumber, 0, versionMessage, 1, versionNumber.Length);
server.SendMessageToConnection(players[i].connection, versionMessage, SendFlags.Reliable | SendFlags.NoNagle);
if (ENFORCE_MAPS)
{
server.SendMessageToConnection(players[i].connection, mapListBytes, SendFlags.Reliable);
server.SendMessageToConnection(players[i].connection, GetCurrentMapHashMessage(), SendFlags.Reliable);
}
foreach (Player player in players)
{
if (player != null && player != players[i])
{
server.SendMessageToConnection(players[i].connection, new byte[] { (byte)OpCode.Connect, player.playerID }, SendFlags.Reliable);
server.SendMessageToConnection(player.connection, new byte[] { (byte)OpCode.Connect, i }, SendFlags.Reliable);
if (player.usernameMessage != null)
{
server.SendMessageToConnection(players[i].connection, player.usernameMessage, SendFlags.Reliable);
}
if (player.allGearUploaded)
{
foreach (KeyValuePair <string, byte[]> value in player.gear)
{
server.SendMessageToConnection(players[i].connection, value.Value, SendFlags.Reliable);
}
}
}
}
server.FlushMessagesOnConnection(players[i].connection);
openSlot = true;
break;
}
}
if (!openSlot)
{
server.CloseConnection(info.connection);
}
break;
case ConnectionState.ClosedByPeer:
RemovePlayer(info.connection);
break;
}
};
#if VALVESOCKETS_SPAN
MessageCallback messageCallback = (in NetworkingMessage netMessage) => {
byte[] messageData = new byte[netMessage.length];
netMessage.CopyTo(messageData);
Player sendingPlayer = null;
foreach (Player player in players)
{
if (player != null && player.connection == netMessage.connection)
{
sendingPlayer = player;
break;
}
}
if (sendingPlayer != null)
{
ProcessMessage(messageData, sendingPlayer.playerID, server);
}
};
#else
const int maxMessages = 256;
NetworkingMessage[] netMessages = new NetworkingMessage[maxMessages];
#endif
while (RUNNING)
{
server.DispatchCallback(status);
#if VALVESOCKETS_SPAN
server.ReceiveMessagesOnPollGroup(pollGroup, messageCallback, 256);
#else
int netMessagesCount = server.ReceiveMessagesOnConnection(listenSocket, netMessages, maxMessages);
if (netMessagesCount > 0)
{
for (int i = 0; i < netMessagesCount; i++)
{
ref NetworkingMessage netMessage = ref netMessages[i];
byte[] messageData = new byte[netMessage.length];
netMessage.CopyTo(messageData);
Player sendingPlayer = null;
foreach (Player player in players)
{
if (player != null && player.connection == netMessage.connection)
{
sendingPlayer = player;
break;
}
}
//Console.WriteLine("Recieved packet from connection {0}, sending player null: {1}", netMessage.connection, sendingPlayer == null);
if (sendingPlayer != null)
{
ProcessMessage(messageData, sendingPlayer.playerID, server);
}
netMessage.Destroy();
}
}
#endif
mapVotes.Clear();
total_players = 0;
foreach (Player player in players)
{
if (player != null)
{
total_players++;
if (player.timeoutWatch.ElapsedMilliseconds > 15000)
{
Console.WriteLine($"{player.playerID} has been timed out for not responding for 15 seconds");
RemovePlayer(player.connection, player.playerID, true);
}
if (!mapVotes.ContainsKey(player.currentVote))
{
mapVotes.Add(player.currentVote, 1);
}
else
{
mapVotes[player.currentVote]++;
}
}
}
// Handle map voting and map enforcement
if (ENFORCE_MAPS)
{
if (total_players == 0)
{
currentMapHash = "1";
}
bool startNewTimer = false;
if (mapVotes.ContainsKey("current"))
{
if (mapVotes["current"] < (int)Math.Ceiling((float)total_players / 2))
{
if (!mapVoteTimer.IsRunning)
{
startNewTimer = true;
}
}
}
else if (!mapVoteTimer.IsRunning && total_players > 0)
{
startNewTimer = true;
}
if (startNewTimer)
{
mapVoteTimer.Restart();
byte[] mapVoteMsg = new byte[] { (byte)OpCode.MapVote, 0, 0 };
foreach (Player player in players)
{
if (player != null)
{
server.SendMessageToConnection(player.connection, mapVoteMsg, SendFlags.Reliable);
}
}
}
if (mapVoteTimer.IsRunning && mapVoteTimer.ElapsedMilliseconds > 30000 && total_players > 0)
{
mapVoteTimer.Stop();
Tuple <string, int> mostVoted = null;
foreach (var item in mapVotes)
{
if (!item.Key.Equals("current"))
{
if (mostVoted == null || mostVoted.Item2 < item.Value)
{
mostVoted = Tuple.Create <string, int>(item.Key, item.Value);
}
}
}
currentMapHash = mostVoted.Item1;
byte[] newMapMessage = GetCurrentMapHashMessage();
foreach (Player player in players)
{
if (player != null)
{
server.SendMessageToConnection(player.connection, newMapMessage, SendFlags.Reliable);
player.currentVote = "current";
}
}
}
else if (total_players == 0)
{
mapVoteTimer.Stop();
}
}
}
static void Run(CancellationTokenSource cts)
{
ushort port = 8080;
NetworkingSockets server = new NetworkingSockets();
Address address = new Address();
address.SetAddress("::0", port);
uint listenSocket = server.CreateListenSocket(ref address);
StatusCallback status = (info, context) => {
switch (info.connectionInfo.state)
{
case ConnectionState.None:
break;
case ConnectionState.Connecting:
server.AcceptConnection(info.connection);
break;
case ConnectionState.Connected:
Console.WriteLine("Client connected - ID: " + info.connection + ", IP: " + info.connectionInfo.address.GetIP());
break;
case ConnectionState.ClosedByPeer:
server.CloseConnection(info.connection);
Console.WriteLine("Client disconnected - ID: " + info.connection + ", IP: " + info.connectionInfo.address.GetIP());
break;
}
};
#if VALVESOCKETS_SPAN
MessageCallback message = (in NetworkingMessage netMessage) => {
Console.WriteLine("Message received from - ID: " + netMessage.connection + ", Channel ID: " + netMessage.channel + ", Data length: " + netMessage.length);
};
#else
const int maxMessages = 20;
NetworkingMessage[] netMessages = new NetworkingMessage[maxMessages];
#endif
while (!cts.IsCancellationRequested)
{
server.DispatchCallback(status);
#if VALVESOCKETS_SPAN
server.ReceiveMessagesOnListenSocket(listenSocket, message, 20);
#else
int netMessagesCount = server.ReceiveMessagesOnListenSocket(listenSocket, netMessages, maxMessages);
if (netMessagesCount > 0)
{
for (int i = 0; i < netMessagesCount; i++)
{
ref NetworkingMessage netMessage = ref netMessages[i];
Console.WriteLine("Message received from - ID: " + netMessage.connection + ", Channel ID: " + netMessage.channel + ", Data length: " + netMessage.length);
netMessage.Destroy();
}
}
#endif
Thread.Sleep(15);
}
public void StatusCallbackFunction(ref StatusInfo info, IntPtr context)
{
switch (info.connectionInfo.state)
{
case ConnectionState.None:
break;
case ConnectionState.Connecting: {
if (info.connectionInfo.listenSocket != listenSocket)
{
mainServer.StatusCallbackFunction(ref info, context);
break;
}
//Console.WriteLine("connecting on file server");
if (mainServer.bannedIPs.Contains(info.connectionInfo.address.GetIP()))
{
//Console.WriteLine("Ban player attempted to connect to the server, IP: {0}", info.connectionInfo.address.GetIP());
server.CloseConnection(info.connection);
}
else
{
server.AcceptConnection(info.connection);
server.SetConnectionPollGroup(pollGroup, info.connection);
}
} break;
case ConnectionState.Connected: {
if (info.connectionInfo.listenSocket != listenSocket)
{
mainServer.StatusCallbackFunction(ref info, context);
break;
}
if (mainServer.motdBytes != null)
{
server.SendMessageToConnection(info.connection, mainServer.motdBytes);
}
foreach (Player player in mainServer.players)
{
foreach (Plugin plugin in mainServer.loadedPlugins)
{
if (plugin.hash != "")
{
byte[] hashBytes = ASCIIEncoding.ASCII.GetBytes(plugin.hash);
byte[] hashMessage = new byte[hashBytes.Length + 2];
hashMessage[0] = (byte)OpCode.PluginHash;
hashMessage[1] = plugin.pluginID;
Array.Copy(hashBytes, 0, hashMessage, 2, hashBytes.Length);
server.SendMessageToConnection(player.connection, hashMessage, SendFlags.Reliable);
}
}
}
//Console.WriteLine("connected on file server");
} break;
case ConnectionState.ClosedByPeer:
case ConnectionState.ProblemDetectedLocally:
mainServer.RemovePlayer(info.connection);
break;
}
}
