delphi – Indy10文件传输导致100%的CPU使用率
发布时间:2020-12-15 09:10:05 所属栏目:大数据 来源:网络整理
导读:我设法通过断开连接修复一些错误,现在每当文件传输CPU使用率变为100%时,我不知道我做错了什么:S ….. const MaxBufferSize = 1024;type TClient = class(TObject) public AContext: TIdContext; FileSize: Integer; Canceled: Boolean; Transfered: Intege
我设法通过断开连接修复一些错误,现在每当文件传输CPU使用率变为100%时,我不知道我做错了什么:S …..
const MaxBufferSize = 1024; type TClient = class(TObject) public AContext: TIdContext; FileSize: Integer; Canceled: Boolean; Transfered: Integer; procedure ReceiveData; procedure Update; end; procedure TForm1.IdTCPServer1Execute(AContext: TIdContext); var Data: string; Client: TClient; Item: TListItem; begin Data := AContext.Connection.IOHandler.ReadLn; //Data := 'SEND|785548' = Command + | + FileSize if Copy(Data,1,4) = 'SEND' then begin Delete(Data,5); Client := TClient.Create; Client.FileSize := StrToInt(Data); Client.AContext := AContext; Item := ListView1.Items.Add; Item.Caption := AContext.Connection.Socket.Binding.PeerIP; Item.Data := Client; Client.ReceiveData; end; end; procedure TClient.ReceiveData; var currRead : Integer; FS: TFileStream; begin Canceled := False; FS := TFileStream.Create('C:Test.dat',fmCreate or fmOpenReadWrite); FS.Size := 0; Transfered := 0; try while (FS.Position < FileSize) and (Athread.Connection.Connected) and (not Canceled) do begin Application.ProcessMessages; if (FileSize - FS.Position) >= MaxBufferSize then currRead := MaxBufferSize else currRead := (FileSize - FS.Position); AThread.Connection.IOHandler.ReadStream(FS,CurrRead); Transfered := FS.Position; Notify.NotifyMethod(Update); Application.ProcessMessages; end; finally FS.Free; AThread.Connection.IOHandler.InputBuffer.Clear; AThread.Connection.Disconnect; AThread.RemoveFromList; Notify.NotifyMethod(Update); Application.ProcessMessages; end; end; procedure TClient.Update; begin //Code to Display Progress bar and stuff (Simplified for now) Form1.Label1.Caption := 'Transfered Data : ' + IntToStr(Transfered); end; 解决方法
摆脱Application.ProcessMessages;它不能在主线程之外的线程下调用
(编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |