/// <summary>
/// Handles incoming packet.
/// </summary>
/// <param name="p">Received <see cref="Packet"/> object.</param>
internal static void Handle( Packet p )
{
switch ( p.FirstOpcode )
{
case ServiceLayer.Identity:
{
switch ( p.SecondOpcode )
{
case ServiceLayer.InitializeRequest:
{
return; // login service not handles incoming connections.
}
case ServiceLayer.InitializeResponse: // connection init response
{
InitializeResponse data = new InitializeResponse(p);
switch ( data.Answer )
{
case InitializeResponse.Accepted:
{
CacheServiceConnection.Connection.SetRemoteService(data.RemoteServiceID, ( ServiceType )data.RemoteServiceType);
Logger.WriteLine(Source.InnerNetwork, "Authorized on {0} (0x{1})", CacheServiceConnection.Connection.ServiceType, CacheServiceConnection.Connection.ServiceID.ToString("x2"));
// send set-settings request
CacheServiceConnection.Send
(
new SetSettingsRequest().ToPacket
(
new LoginServiceSettings
(
Settings.Default.ServiceUniqueID,
Settings.Default.LoginServiceAutoCreateUsers,
Settings.Default.LoginServiceDefaultAccessLevel
)
)
);
return;
}
case InitializeResponse.Rejected:
{
Logger.WriteLine(Source.InnerNetwork, "Connection rejected by {0} (0x{1})", ( ServiceType )data.RemoteServiceType, data.RemoteServiceID);
return;
}
}
return;
}
case ServiceLayer.SetSettingsRequest:
{
return; // login service not handles remote service settings request
}
case ServiceLayer.SetSettingsResponse:
{
SetSettingsResponse response = new SetSettingsResponse(p);
switch ( response.Response )
{
case SetSettingsResponse.Accepted:
{
Logger.WriteLine(Source.InnerNetwork, "Cache service accepted service settings.");
//UserConnectionsListener.Enable(); // start listen incoming user connections
return;
}
default:
{
Service.Terminate(new ServiceShutdownEventArgs("Cache service rejected settings setup."));
return;
}
}
}
default:
{
Logger.WriteLine("Unknown packet received on layer 0x{0}: {1}", ServiceLayer.Identity.ToString("x2"), p.ToString());
return;
}
}
}
case UserDataLayer.Identity:
{
switch ( p.SecondOpcode )
{
case UserDataLayer.UserAuthenticationResponse:
{
UserAuthenticationResponse response = new UserAuthenticationResponse(p);
QueuedRequest request = QueuedRequestsPool.Dequeue(response.RequestID);
if ( QueuedRequest.IsValid(request) )
{
switch ( response.Response )
{
case UserAuthenticationResponseType.UserAccepted: // accepted or created by cache
{
request.UserConnection.Session.AccountID = response.UserID;
request.UserConnection.Session.LastWorld = response.LastWorldID;
if ( response.AccessLevel < Settings.Default.LoginServiceAllowedAccessLevel )
{
request.Send(LoginFailed.ToPacket(UserAuthenticationResponseType.AccessFailed));
UserConnectionsListener.CloseActiveConnection(request.UserConnection);
return;
}
long requestId = long.MinValue;
if ( QueuedRequestsPool.Enqueue(request.UserConnection, ref requestId) )
{
CacheServiceConnection.Send
(
new CacheUserSessionRequest
(
requestId,
request.UserConnection.Session
).ToPacket()
);
}
else
{
Logger.WriteLine(Source.InnerNetwork, "Failed to send CacheUserSessionRequest to cache service, request was not enqueued by QueuedRequestsPool ?...");
UserConnectionsListener.CloseActiveConnection(request.UserConnection);
}
return;
}
default:
{
request.Send(LoginFailed.ToPacket(response.Response));
UserConnectionsListener.CloseActiveConnection(request.UserConnection);
return;
}
}
}
break;
}
case UserDataLayer.CacheUserSessionResponse:
{
CacheUserSessionResponse response = new CacheUserSessionResponse(p);
QueuedRequest request = QueuedRequestsPool.Dequeue(response.RequestID);
if ( QueuedRequest.IsValid(request) )
{
switch ( response.Response )
{
case CacheUserSessionResponse.Failed:
{
Logger.WriteLine("Failed to cache user session data on cache server side");
request.Send(LoginFailed.ToPacket(UserAuthenticationResponseType.SystemError));
UserConnectionsListener.CloseActiveConnection(request.UserConnection);
return;
}
case CacheUserSessionResponse.Accepted:
{
request.Send(LoginOk.ToPacket(request.UserConnection.Session));
return;
}
}
}
else
{
Logger.WriteLine(Source.OuterNetwork, "Failed to send ServerPackets.WorldsList to client, request was not dequeued by QueuedRequestsPool ?...");
UserConnectionsListener.CloseActiveConnection(request.UserConnection);
}
return;
}
case UserDataLayer.WorldsListResponse:
{
WorldsListResponse response = new WorldsListResponse(p);
QueuedRequest request = QueuedRequestsPool.Dequeue(response.RequestID);
if ( QueuedRequest.IsValid(request) )
request.Send(ServerList.ToPacket(request.UserConnection.Session.LastWorld, response.Data));
else
{
Logger.WriteLine(Source.OuterNetwork, "Failed to send ServerPackets.WorldsList to client, request was not dequeued by QueuedRequestsPool ?...");
UserConnectionsListener.CloseActiveConnection(request.UserConnection);
}
return;
}
case UserDataLayer.JoinWorldResponse:
{
JoinWorldResponse response = new JoinWorldResponse(p);
QueuedRequest request = QueuedRequestsPool.Dequeue(response.RequestID);
if ( QueuedRequest.IsValid(request) )
{
switch ( response.Result )
{
case JoinWorldRequestResult.Accepted:
{
request.UserConnection.Send(PlayAccepted.ToPacket(request.UserConnection.Session));
break;
}
default:
{
request.UserConnection.Send(PlayFail.ToPacket(response.Result));
break;
}
}
}
UserConnectionsListener.CloseConnectionWithoutLogout(request.UserConnection);
return;
}
}
break;
}
}
Logger.WriteLine("Unknown packet received from {0} service on layer 0x{1}:{2}{3}", ServiceType.LoginService, p.FirstOpcode.ToString("x2"), 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;
}