private static void HandleMessage(IMasterServerMessageBase message, NetIncomingMessage netMsg, NetPeer peer)
{
if (BannedIpsRetriever.IsBanned(netMsg.SenderEndPoint))
{
LunaLog.Debug($"Ignoring BANNED ip: {netMsg.SenderEndPoint}");
return;
}
try
{
switch ((message?.Data as MsBaseMsgData)?.MasterServerMessageSubType)
{
case MasterServerMessageSubType.RegisterServer:
RegisterServer(message, netMsg);
break;
case MasterServerMessageSubType.RequestServers:
LunaLog.Normal($"LIST REQUEST from: {netMsg.SenderEndPoint}");
SendServerLists(netMsg, peer);
break;
case MasterServerMessageSubType.Introduction:
var msgData = (MsIntroductionMsgData)message.Data;
if (ServerDictionary.TryGetValue(msgData.Id, out var server))
{
LunaLog.Normal($"INTRODUCTION request from: {netMsg.SenderEndPoint} to server: {server.ExternalEndpoint}");
peer.Introduce(server.InternalEndpoint, server.ExternalEndpoint,
msgData.InternalEndpoint, // client internal
netMsg.SenderEndPoint, // client external
msgData.Token); // request token
}
else
{
LunaLog.Warning($"Client {netMsg.SenderEndPoint} requested introduction to non listed host!");
}
break;
}
}
catch (Exception e)
{
LunaLog.Error($"Error handling message. Details: {e}");
}
}
private static void RemoveExpiredServers()
{
Task.Run(async() =>
{
while (RunServer)
{
var serversIdsToRemove = ServerDictionary
.Where(s => LunaNetworkTime.UtcNow.Ticks - s.Value.LastRegisterTime >
TimeSpan.FromMilliseconds(ServerMsTimeout).Ticks ||
BannedIpsRetriever.IsBanned(s.Value.ExternalEndpoint))
.ToArray();
foreach (var serverId in serversIdsToRemove)
{
LunaLog.Normal($"REMOVING SERVER: {serverId.Value.ExternalEndpoint}");
ServerDictionary.TryRemove(serverId.Key, out _);
}
await Task.Delay(ServerRemoveMsCheckInterval);
}
});
}
private static void HandleMessage(IMasterServerMessageBase message, NetIncomingMessage netMsg, NetPeer peer)
{
if (BannedIpsRetriever.IsBanned(netMsg.SenderEndPoint))
{
LunaLog.Debug($"Ignoring BANNED ip: {netMsg.SenderEndPoint}");
return;
}
try
{
switch ((message?.Data as MsBaseMsgData)?.MasterServerMessageSubType)
{
case MasterServerMessageSubType.RegisterServer:
RegisterServer(message, netMsg);
break;
case MasterServerMessageSubType.RequestServers:
LunaLog.Normal($"LIST REQUEST from: {netMsg.SenderEndPoint}");
SendServerLists(netMsg, peer);
break;
case MasterServerMessageSubType.Introduction:
var msgData = (MsIntroductionMsgData)message.Data;
if (ServerDictionary.TryGetValue(msgData.Id, out var server))
{
_ = Task.Run(() =>
{
if (!server.InternalEndpoint6.Address.Equals(IPAddress.IPv6Loopback) &&
!server.InternalEndpoint6.Address.Equals(IPAddress.IPv6Loopback))
{
// Both client and server are listening on IPv6, try an IPv6 firewall punchthrough
// This also triggers a first punchthrough on IPv4 with the public addresses
LunaLog.Normal(
$"INTRODUCTION request from: {msgData.InternalEndpoint6} to server: {server.InternalEndpoint6}");
peer.Introduce(server.InternalEndpoint6, server.ExternalEndpoint,
msgData.InternalEndpoint6, // client internal
netMsg.SenderEndPoint, // client external
msgData.Token); // request token
// Give the first introduction attempt some time
Thread.Sleep(50);
}
LunaLog.Normal(
$"INTRODUCTION request from: {netMsg.SenderEndPoint} to server: {server.ExternalEndpoint}");
peer.Introduce(server.InternalEndpoint, server.ExternalEndpoint,
msgData.InternalEndpoint, // client internal
netMsg.SenderEndPoint, // client external
msgData.Token); // request token
});
}
else
{
LunaLog.Warning($"Client {netMsg.SenderEndPoint} requested introduction to non listed host!");
}
break;
}
}
catch (Exception e)
{
LunaLog.Error($"Error handling message. Details: {e}");
}
}
