109 lines
2.6 KiB
Plaintext
109 lines
2.6 KiB
Plaintext
(*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* http://www.opensource.org/licenses/cddl1.php.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* http://www.opensource.org/licenses/cddl1.php. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying * information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Portions Copyright 2008 Andreas Schneider
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*)
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unit UAdminHandling;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, UPacket, UPacketHandlers, UEnhancedMemoryStream;
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type
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TAdminHandlerAlreadyAssignedException = class(Exception);
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{ TFlushServerPacket }
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TFlushServerPacket = class(TPacket)
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constructor Create;
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end;
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{ TQuitServerPacket }
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TQuitServerPacket = class(TPacket)
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constructor Create(AReason: string);
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end;
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procedure AssignAdminPacketHandler(APacketID: Byte; AHandler: TPacketHandler);
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procedure OnAdminHandlerPacket(ABuffer: TEnhancedMemoryStream);
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var
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AdminPacketHandlers: array[0..$FF] of TPacketHandler;
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implementation
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procedure AssignAdminPacketHandler(APacketID: Byte; AHandler: TPacketHandler);
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begin
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if AdminPacketHandlers[APacketID] <> nil then
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raise TAdminHandlerAlreadyAssignedException.CreateFmt(
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'The AdminPacketHandler $%.2x is already assigned!', [APacketID]);
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AdminPacketHandlers[APacketID] := AHandler;
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end;
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procedure OnAdminHandlerPacket(ABuffer: TEnhancedMemoryStream);
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var
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packetHandler: TPacketHandler;
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begin
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packetHandler := AdminPacketHandlers[ABuffer.ReadByte];
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if packetHandler <> nil then
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packetHandler.Process(ABuffer);
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end;
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{ TFlushServerPacket }
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constructor TFlushServerPacket.Create;
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begin
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inherited Create($03, 0);
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FStream.WriteByte($01);
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end;
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{ TQuitServerPacket }
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constructor TQuitServerPacket.Create(AReason: string);
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begin
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inherited Create($03, 0);
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FStream.WriteByte($02);
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FStream.WriteStringNull(AReason);
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end;
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{$WARNINGS OFF}
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var
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i: Integer;
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initialization
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for i := 0 to $FF do
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AdminPacketHandlers[i] := nil;
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finalization
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for i := 0 to $FF do
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if AdminPacketHandlers[i] <> nil then
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AdminPacketHandlers[i].Free;
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{$WARNINGS ON}
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end.
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