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while TempRoom.Locked do
begin
//do nothing只是等待解锁
end;
TempRoom.OneSpeak(content);
end;
function TChatManager.ReadReady(id: Integer): Byte;
var
TempRoom:TChatRoom;
begin
TempRoom:=ChatRoomManager.FindRoomByID(id);
if TempRoom.CanRead then result:=1 else Result:=0;
end;
procedure TChatManager.ConnectRoom(const UserName: WideString;
RoomID: Integer);
//客户端通过接口登陆到指定的房间,没有完全实现
var
TempRoom:TChatRoom;
begin
TempRoom:=ChatRoomManager.FindRoomByID(RoomID);
TempRoom.LoginRoom(UserName);
end;
procedure TChatManager.DisconnectRoom(const UserName: WideString;
RoomID: Integer);
//客户端通过接口离开指定的房间,没有完全实现
var
TempRoom:TChatRoom;
begin
TempRoom:=ChatRoomManager.FindRoomByID(RoomID);
TempRoom.LeaveRoom(UserName);
end;
function TChatManager.TestClearBufferTag(RoomID: Integer): Integer;
var
TempRoom:TChatRoom;
begin
TempRoom:=ChatRoomManager.FindRoomByID(RoomID);
result:=TempRoom.ClearBufferTag;
end;
initialization
TAutoObjectFactory.Create(ComServer, TChatManager, Class_ChatManager,
ciMultiInstance, tmApartment);
end.
比较关键TchatRoom是下面的样子:
type
TChatRoom=class
private
FBuffer:array[1..20] of string;
FBufferLength:integer;
FRoomName:string;
FRoomID:integer;
FLocked:boolean;//同步锁,用来处理多人同时发出对话的情况
FConnectCount:integer;//当前房间的人数
FClearBufferTag:integer;
//每清空一次buffer此值便跳变一次,此脉冲被客户端检测
protected
procedure ClearBuffer;//清空缓冲区
function GetCanRead:boolean;
public
constructor Create(RoomName:string;RoomID:integer);
procedure OneSpeak(content:string);//将一条聊天内容加入缓冲区
procedure LoginRoom(UserName:string);//参看实现部分注释
procedure LeaveRoom(UserName:string);//参看实现部分注释
function OneRead:Tstrings;//从缓冲区中读出记录
property Locked:boolean read FLocked; //readonly;//供IChatManager检测
property CanRead:boolean read GetCanRead;//判断缓冲区是否为空,否则是不可读的
property ClearBufferTag:integer read FClearBufferTag;
end; (接后文)
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