/// <summary>
/// Executes when lazy queue dumps actual <see cref="Command"/> objects collection.
/// </summary>
/// <param name="queue"><see cref="MsSqlDataCommand"/> objects to execute.</param>
private void LazyQueue_DumpHandler( MsSqlDataCommand[] queue )
{
Logger.WriteLine(Source.DataProvider, "Running LazyCommandsQueue dump, {0} commands in queue", queue.Length);
if ( queue.Length > 0 )
new Thread(new ParameterizedThreadStart(LazyQueue_DumpHandlerThread)) { IsBackground = false, Priority = ThreadPriority.BelowNormal }.Start(queue);
}
/// <summary>
/// Sets <see cref="MsSqlDataConnection"/> reference to provided <see cref="MsSqlDataCommand"/> object and prepares it.
/// </summary>
/// <param name="msdc"><see cref="MsSqlDataCommand"/> object.</param>
/// <param name="connection"><see cref="MsSqlDataConnection"/> to reference.</param>
private static void SetConnection( ref MsSqlDataCommand msdc, MsSqlDataConnection connection )
{
msdc.Prepare(ref connection);
}
/// <summary>
/// Releases provided <see cref="MsSqlDataCommand"/> resources.
/// </summary>
/// <param name="msdc"><see cref="MsSqlDataCommand"/> object to release.</param>
private static void ReleaseCommand( MsSqlDataCommand msdc )
{
if ( msdc != null )
{
msdc.Dispose();
msdc = null;
}
}
/// <summary>
/// Gets worlds list from database.
/// </summary>
/// <returns>Worlds list pre-cached data.</returns>
public override WorldSummary[] Worlds_Cache()
{
MsSqlDataCommand msdc = new MsSqlDataCommand
(
"[Worlds_Cache]",
CommandType.StoredProcedure
);
SetConnection(ref msdc, m_ActiveConnections.Next());
DataTable worlds = new DataTable();
WorldSummary[] array = new WorldSummary[0] { };
if ( msdc.Execute(ref worlds) && worlds.Rows.Count > 0 )
{
array = new WorldSummary[worlds.Rows.Count];
for ( int i = 0; i < array.Length; i++ )
{
DataRow row = worlds.Rows[i];
array[i] = new WorldSummary()
{
ID = ( byte )row["id"],
Address = System.Net.IPAddress.Parse(( string )row["outer_ip"]).GetAddressBytes(),
Port = ( int )row["port"],
AccessLevel = ( byte )row["access_level"],
UsersMax = ( short )row["max_users"],
AgeLimit = ( byte )row["age_limit"],
IsPvP = ( bool )row["is_pvp"],
IsTestServer = ( bool )row["is_test"],
ShowClock = ( bool )row["show_clock"],
ShowBrackets = ( bool )row["show_brackets"]
};
}
}
ReleaseCommand(msdc);
return array;
}
/// <summary>
/// User creation request processing.
/// </summary>
/// <param name="login">User login.</param>
/// <param name="password">User password.</param>
/// <param name="accessLevel">User account access level.</param>
/// <returns>User account unique id.</returns>
public override int User_Create( string login, string password, byte accessLevel )
{
MsSqlDataCommand msdc = new MsSqlDataCommand
(
"[User_Create]",
CommandType.StoredProcedure,
new SqlParameter("@login", SqlDbType.VarChar, 0x10) { Value = login },
new SqlParameter("@password", SqlDbType.VarChar, 0x2f) { Value = password },
new SqlParameter("@access_level", SqlDbType.TinyInt) { Value = accessLevel },
new SqlParameter("@uid", SqlDbType.Int) { Direction = ParameterDirection.Output }
);
SetConnection(ref msdc, m_ActiveConnections.Next());
msdc.ExecuteNonQuery();
int uid = TypesConverter.GetInt(msdc.Parameters["@uid"].Value, int.MinValue);
ReleaseCommand(msdc);
return uid;
}
/// <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;
}