/// <summary>
/// Handles incoming <see cref="Packet"/>.
/// </summary>
/// <param name="p"><see cref="Packet"/> to handle.</param>
internal void Handle( Packet p )
{
switch ( p.FirstOpcode )
{
case ServiceLayer.Identity:
{
switch ( p.SecondOpcode )
{
case ServiceLayer.InitializeRequest:
{
Logger.WriteLine(Source.InnerNetwork, "Connected service requests connection initialization.");
return;
}
case ServiceLayer.SetSettingsRequest:
{
LoginServiceSettings settings = ( LoginServiceSettings )SetSettingsRequest.FromPacket(p, ServiceType.LoginService);
ConnectionsManager.SetServiceSettings(settings);
return;
}
}
break;
}
case UserDataLayer.Identity:
{
switch ( p.SecondOpcode )
{
case UserDataLayer.AuthenticateUser:
{
UserAuthenticationRequest request = new UserAuthenticationRequest(p);
if ( RealtimeManager.ConnectedUsers.Connected(request.SessionID) )
{
Send(new UserAuthenticationResponse(request.RequestID, UserAuthenticationResponseType.AccessFailed).ToPacket());
return;
}
if ( RealtimeManager.ConnectedUsers.Connected(request.Login) )
{
Send(new UserAuthenticationResponse(request.RequestID, UserAuthenticationResponseType.AccountInUse).ToPacket());
return;
}
Send(DataProvider.DataBase.User_Auth(request, ( LoginServiceSettings )Service.RemoteServiceSettings).ToPacket());
return;
}
case UserDataLayer.CacheUserSessionRequest:
{
CacheUserSessionRequest request = new CacheUserSessionRequest(p);
if ( RealtimeManager.ConnectedUsers.Connected(request.Session.ID) || RealtimeManager.ConnectedUsers.Connected(request.Session.AccountName) )
{
Send(new CacheUserSessionResponse(request.RequestID, CacheUserSessionResponse.Failed).ToPacket());
return;
}
RealtimeManager.ConnectedUsers.Register(request.Session);
Send(new CacheUserSessionResponse(request.RequestID, CacheUserSessionResponse.Accepted).ToPacket());
return;
}
case UserDataLayer.WorldsListRequest:
{
WorldsListRequest request = new WorldsListRequest(p);
Send(new WorldsListResponse(request.RequestID, RealtimeManager.WorldsInfo.Get()).ToPacket());
return;
}
case UserDataLayer.UnCacheUser:
{
UnCacheUser request = new UnCacheUser(p);
// update user login / logout / used_time values in database.
UserSession session = RealtimeManager.ConnectedUsers.Find(request.SessionID);
if ( session != UserSession.Null )
{
DataProvider.DataBase.User_Logout(session.AccountID, session.StartTime, session.IPAddress, session.LastWorld);
RealtimeManager.ConnectedUsers.Unregister(request.SessionID);
}
return;
}
case UserDataLayer.JoinWorldRequest:
{
// check access level
JoinWorldRequest request = new JoinWorldRequest(p);
if ( !RealtimeManager.ConnectedUsers.Connected(request.SessionID) )
{
Send(new JoinWorldResponse(request.RequestID, JoinWorldRequestResult.AccessFailed).ToPacket());
return;
}
if ( !RealtimeManager.WorldsInfo.Contains(request.WorldID) || !RealtimeManager.WorldsInfo.IsOnline(request.WorldID) )
{
Send(new JoinWorldResponse(request.RequestID, JoinWorldRequestResult.SystemError).ToPacket());
return;
}
if ( RealtimeManager.WorldsInfo.IsFull(request.WorldID) )
{
Send(new JoinWorldResponse(request.RequestID, JoinWorldRequestResult.TooManyPlayers).ToPacket());
return;
}
Send(new JoinWorldResponse(request.RequestID, JoinWorldRequestResult.Accepted).ToPacket());
return;
}
}
break;
}
default:
{
break;
}
}
Logger.WriteLine(Source.InnerNetwork, "Unknown packet received from {0} service:{1}{2}", ServiceType.LoginService, Environment.NewLine, p.ToString());
}
/// <summary>
/// User authentication request processing.
/// </summary>
/// <param name="netRequest"><see cref="UserAuthenticationRequest"/> to verify user data from.</param>
/// <param name="settings"><see cref="LoginServiceSettings"/> object.</param>
/// <returns><see cref="UserAuthenticationResponse"/> struct.</returns>
public override UserAuthenticationResponse User_Auth( UserAuthenticationRequest netRequest, LoginServiceSettings settings )
{
MsSqlDataCommand msdc = new MsSqlDataCommand
(
"[User_Auth]",
CommandType.StoredProcedure,
new SqlParameter("@login", SqlDbType.VarChar, 0x10) { Value = netRequest.Login },
new SqlParameter("@password", SqlDbType.VarChar, 0x2f) { Value = netRequest.Password },
new SqlParameter("@uid", SqlDbType.Int) { Direction = ParameterDirection.Output },
new SqlParameter("@last_world", SqlDbType.TinyInt) { Direction = ParameterDirection.Output },
new SqlParameter("@access_level", SqlDbType.TinyInt) { Direction = ParameterDirection.Output }
);
SetConnection(ref msdc, m_ActiveConnections.Next());
msdc.ExecuteNonQuery();
int uid = TypesConverter.GetInt(msdc.Parameters["@uid"].Value, int.MinValue);
UserAuthenticationResponse rsp = new UserAuthenticationResponse(netRequest.RequestID, UserAuthenticationResponseType.UserOrPasswordWrong);
switch ( uid )
{
case int.MinValue: // conversion error
{
rsp.Response = UserAuthenticationResponseType.SystemError;
break;
}
case -2: // invalid credentials
break;
case -1: // login doesn't exist
{
if ( settings != null && settings.AutoCreateUser )
{
// creating user
uid = User_Create(netRequest.Login, netRequest.Password, settings.DefaultAccessLevel);
switch ( uid )
{
case int.MinValue: // conversion error
case -2: // db insert error
{
rsp.Response = UserAuthenticationResponseType.SystemError;
break;
}
case -1: // login already exists
break;
default: // user created
{
rsp.Response = UserAuthenticationResponseType.UserAccepted;
rsp.UserID = uid;
rsp.AccessLevel = settings.DefaultAccessLevel;
rsp.LastWorldID = TypesConverter.GetByte(msdc.Parameters["@last_world"].Value, 1);
break;
}
}
}
else
goto case -2;
break;
}
default:
{
rsp.Response = UserAuthenticationResponseType.UserAccepted;
rsp.UserID = uid;
rsp.LastWorldID = TypesConverter.GetByte(msdc.Parameters["@last_world"].Value, 1);
rsp.AccessLevel = TypesConverter.GetByte(msdc.Parameters["@access_level"].Value, 0);
break;
}
}
ReleaseCommand(msdc);
return rsp;
}