public async Task <Session> GetSessionAsync(IPEndPoint endpoint)
{
if (endpoint == null)
{
throw new ArgumentNullException(nameof(endpoint),
ResourceStrings.DatabaseCache_GetSessionAsync_NullEndpointException);
}
await using var ctx = new UchuContext();
string key;
var timeout = 1000;
while (!_keys.TryGetValue(endpoint.ToString(), out key))
{
if (timeout <= 0)
{
throw new TimeoutException();
}
await Task.Delay(50).ConfigureAwait(false);
timeout -= 50;
}
var session = ctx.SessionCaches.First(s => s.Key == key);
return(new Session
{
Key = key,
CharacterId = session.CharacterId,
UserId = session.UserId,
ZoneId = session.ZoneId
});
}
public InventoryItem FindItem()
{
using var ctx = new UchuContext();
var id = (long)Value;
return(ctx.InventoryItems.FirstOrDefault(
i => i.Id == id
));
}
public async Task <InventoryItem> FindItemAsync()
{
await using var ctx = new UchuContext();
var id = (long)Value;
return(await ctx.InventoryItems.FirstOrDefaultAsync(
i => i.Id == id
).ConfigureAwait(false));
}
public void SetZone(IPEndPoint endpoint, ZoneId zone)
{
using var ctx = new UchuContext();
var key = _keys[endpoint.ToString()];
var session = ctx.SessionCaches.First(s => s.Key == key);
session.ZoneId = (int)zone;
ctx.SaveChanges();
}
public void CreateSession(long userId, string key)
{
using var ctx = new UchuContext();
ctx.SessionCaches.Add(new SessionCache
{
Key = key,
UserId = userId
});
ctx.SaveChanges();
}
public void SetCharacter(IPEndPoint endpoint, long characterId)
{
using var ctx = new UchuContext();
var key = _keys[endpoint.ToString()];
var session = ctx.SessionCaches.First(s => s.Key == key);
session.CharacterId = characterId;
ctx.SaveChanges();
}
public void DeleteSession(IPEndPoint endpoint)
{
using var ctx = new UchuContext();
var key = _keys[endpoint.ToString()];
var session = ctx.SessionCaches.First(s => s.Key == key);
ctx.SessionCaches.Remove(session);
ctx.SaveChanges();
}
public void SetZone(IPEndPoint endpoint, ZoneId zone)
{
if (endpoint == null)
{
throw new ArgumentNullException(nameof(endpoint),
ResourceStrings.DatabaseCache_SetZone_NullEndpointException);
}
using var ctx = new UchuContext();
var key = _keys[endpoint.ToString()];
var session = ctx.SessionCaches.First(s => s.Key == key);
session.ZoneId = zone;
ctx.SaveChanges();
}
public string CreateSession(long userId)
{
using var ctx = new UchuContext();
var key = GenerateKey();
ctx.SessionCaches.Add(new SessionCache
{
Key = key,
UserId = userId
});
ctx.SaveChanges();
return(key);
}
public Session GetSession(IPEndPoint endpoint)
{
using var ctx = new UchuContext();
var key = _keys[endpoint.ToString()];
var session = ctx.SessionCaches.First(s => s.Key == key);
return(new Session
{
Key = key,
CharacterId = session.CharacterId,
UserId = session.UserId,
ZoneId = session.ZoneId
});
}
public void DeleteSession(IPEndPoint endpoint)
{
if (endpoint == null)
{
throw new ArgumentNullException(nameof(endpoint),
ResourceStrings.DatabaseCache_DeleteSession_NullEndpointException);
}
using var ctx = new UchuContext();
var key = _keys[endpoint.ToString()];
var session = ctx.SessionCaches.First(s => s.Key == key);
ctx.SessionCaches.Remove(session);
ctx.SaveChanges();
}
public virtual async Task ConfigureAsync(string configFile)
{
MasterPath = Path.GetDirectoryName(configFile);
var serializer = new XmlSerializer(typeof(Configuration));
if (!File.Exists(configFile))
{
throw new ArgumentException($"{configFile} config file does not exist.");
}
await using (var fs = File.OpenRead(configFile))
{
Logger.Config = Config = (Configuration)serializer.Deserialize(fs);
UchuContextBase.Config = Config;
}
if (!string.IsNullOrWhiteSpace(Config.ResourcesConfiguration?.GameResourceFolder))
{
Resources = new LocalResources(Config);
}
ServerSpecification specification;
await using (var ctx = new UchuContext())
{
specification = ctx.Specifications.First(s => s.Id == Id);
}
Port = specification.Port;
ServerSpecification = specification;
var certificateFilePath = Path.Combine(MasterPath, Config.Networking.Certificate);
if (Config.Networking?.Certificate != default && File.Exists(certificateFilePath))
{
var cert = new X509Certificate2(certificateFilePath);
Console.WriteLine($"PRIVATE KEY: {cert.HasPrivateKey} {cert.PrivateKey}");
Certificate = cert;
RakNetServer = new TcpUdpServer(Port, "3.25 ND1", Certificate, 150);
}
else
{
RakNetServer = new TcpUdpServer(Port, "3.25 ND1");
}
try
{
SessionCache = new RedisSessionCache();
}
catch (RedisConnectionException)
{
Logger.Error("Failed to establish Redis connection, falling back to database.");
SessionCache = new DatabaseCache();
}
Logger.Information($"Server {Id} configured on port: {Port}");
}
public async Task StartAsync(Assembly assembly, bool acceptConsoleCommands = false)
{
Logger.Information("Registering assemblies...");
RegisterAssembly(typeof(Server).Assembly);
RegisterAssembly(assembly);
RakNetServer.MessageReceived += HandlePacketAsync;
Running = true;
if (acceptConsoleCommands)
{
var _ = Task.Run(async() =>
{
Logger.Information($"Ready to accept console command...");
while (Running)
{
var command = Console.ReadLine();
if (string.IsNullOrWhiteSpace(command))
{
continue;
}
Console.WriteLine(await HandleCommandAsync(command, null, GameMasterLevel.Console).ConfigureAwait(false));
}
});
}
try
{
Logger.Information("Looking for requests...");
await using (var ctx = new UchuContext())
{
var request = ctx.WorldServerRequests.FirstOrDefault(w => w.SpecificationId == Id);
if (request == default)
{
Logger.Information($"Starting server...");
await RakNetServer.RunAsync().ConfigureAwait(false);
return;
}
Logger.Information($"Request found for {Id}");
request.State = WorldServerRequestState.Complete;
ctx.SaveChanges();
}
Logger.Information($"Starting server...");
await RakNetServer.RunAsync().ConfigureAwait(false);
}
catch (Exception e)
{
Logger.Error(e);
}
}
public bool IsKey(string key)
{
using var ctx = new UchuContext();
return(ctx.SessionCaches.Any(c => c.Key == key));
}
public static async Task <ServerSpecification> RequestWorldServerAsync(ZoneId zoneId)
{
//
// Check for servers
//
var worldServers = await GetServersByType(ServerType.World).ConfigureAwait(false);
foreach (var worldServer in worldServers.Where(w => w.ZoneId == zoneId))
{
if (worldServer.ActiveUserCount >= worldServer.MaxUserCount)
{
continue;
}
return(worldServer);
}
//
// Start a new world server request.
//
var id = Guid.NewGuid();
await using (var ctx = new UchuContext())
{
await ctx.WorldServerRequests.AddAsync(new WorldServerRequest
{
Id = id,
ZoneId = zoneId
}).ConfigureAwait(false);
await ctx.SaveChangesAsync().ConfigureAwait(false);
}
//
// We have to have a timeout here, if the new server instance stops unexpectedly of whatever.
//
var timeout = 1000;
while (timeout != default)
{
//
// Get request.
//
await using var ctx = new UchuContext();
var request = await ctx.WorldServerRequests.FirstAsync(
r => r.Id == id
).ConfigureAwait(false);
//
// Check request state
//
switch (request.State)
{
case WorldServerRequestState.Unanswered:
case WorldServerRequestState.Answered:
timeout--;
await Task.Delay(100).ConfigureAwait(false);
continue;
case WorldServerRequestState.Complete:
break;
case WorldServerRequestState.Error:
return(default);
default:
return(default);
}
Logger.Information($"Request completed {id} {request.SpecificationId}");
//
// Finalize request.
//
ctx.WorldServerRequests.Remove(request);
await ctx.SaveChangesAsync().ConfigureAwait(false);
var specification = await ctx.Specifications.FirstAsync(s => s.Id == request.SpecificationId).ConfigureAwait(false);
return(specification);
}
Logger.Error($"Request {id} timed out");
return(default);