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Stop download with QNetworkReply

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  • A ARASHz4
    9 May 2016, 17:48

    @mrjj OK this is my Project if you can take look

    M Offline
    M Offline
    mrjj
    Lifetime Qt Champion
    wrote on 9 May 2016, 17:52 last edited by
    #10

    @ARASHz4
    Thx. its cute :)
    I can use any file for test?

    A 1 Reply Last reply 9 May 2016, 17:53
    0
    • M mrjj
      9 May 2016, 17:52

      @ARASHz4
      Thx. its cute :)
      I can use any file for test?

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      ARASHz4
      wrote on 9 May 2016, 17:53 last edited by
      #11

      @mrjj yes I think

      ? M 2 Replies Last reply 9 May 2016, 18:12
      0
      • A ARASHz4
        9 May 2016, 17:53

        @mrjj yes I think

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        A Former User
        wrote on 9 May 2016, 18:12 last edited by
        #12

        Hi! Does this also happen when you replace abort() with close()? Another thing: After calling abort(), is the finished() signal emitted?

        ? 1 Reply Last reply 9 May 2016, 18:13
        0
        • ? A Former User
          9 May 2016, 18:12

          Hi! Does this also happen when you replace abort() with close()? Another thing: After calling abort(), is the finished() signal emitted?

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          A Former User
          wrote on 9 May 2016, 18:13 last edited by
          #13

          And: On what platform do you observe this behaviour? Windows? Linux?

          A 1 Reply Last reply 9 May 2016, 18:29
          0
          • ? Offline
            ? Offline
            A Former User
            wrote on 9 May 2016, 18:17 last edited by
            #14

            BTW: In your cancelDownload() function, it says:

            reply->abort();
            reply = 0;
            

            Looks like a memory leak to me.

            1 Reply Last reply
            0
            • ? A Former User
              9 May 2016, 18:13

              And: On what platform do you observe this behaviour? Windows? Linux?

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              ARASHz4
              wrote on 9 May 2016, 18:29 last edited by
              #15

              @Wieland
              i test before close()
              i use Windows now

              1 Reply Last reply
              0
              • A ARASHz4
                9 May 2016, 17:53

                @mrjj yes I think

                M Offline
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                mrjj
                Lifetime Qt Champion
                wrote on 9 May 2016, 18:30 last edited by
                #16

                @ARASHz4

                hi
                in

                Downloader::Downloader(QUrl Url, QObject *parent) :
                    QObject(parent)
                {
                    QNetworkRequest request(Url);
                    DownloadManager.get(request);<<<<< THIS ?
                
                    reply =  DownloadManager.get(request);
                

                you have extra DownloadManager.get(request);
                if I // it, it now drops to 0 when I abort.
                Before it did not.

                ? A 3 Replies Last reply 9 May 2016, 18:31
                1
                • M mrjj
                  9 May 2016, 18:30

                  @ARASHz4

                  hi
                  in

                  Downloader::Downloader(QUrl Url, QObject *parent) :
                      QObject(parent)
                  {
                      QNetworkRequest request(Url);
                      DownloadManager.get(request);<<<<< THIS ?
                  
                      reply =  DownloadManager.get(request);
                  

                  you have extra DownloadManager.get(request);
                  if I // it, it now drops to 0 when I abort.
                  Before it did not.

                  ? Offline
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                  A Former User
                  wrote on 9 May 2016, 18:31 last edited by
                  #17

                  @mrjj Guter Mann. ;-)

                  1 Reply Last reply
                  1
                  • M mrjj
                    9 May 2016, 18:30

                    @ARASHz4

                    hi
                    in

                    Downloader::Downloader(QUrl Url, QObject *parent) :
                        QObject(parent)
                    {
                        QNetworkRequest request(Url);
                        DownloadManager.get(request);<<<<< THIS ?
                    
                        reply =  DownloadManager.get(request);
                    

                    you have extra DownloadManager.get(request);
                    if I // it, it now drops to 0 when I abort.
                    Before it did not.

                    A Offline
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                    ARASHz4
                    wrote on 9 May 2016, 18:42 last edited by ARASHz4 5 Sept 2016, 18:43
                    #18

                    @mrjj DownloadManager is a private member in downloader.h

                    1 Reply Last reply
                    0
                    • M mrjj
                      9 May 2016, 18:30

                      @ARASHz4

                      hi
                      in

                      Downloader::Downloader(QUrl Url, QObject *parent) :
                          QObject(parent)
                      {
                          QNetworkRequest request(Url);
                          DownloadManager.get(request);<<<<< THIS ?
                      
                          reply =  DownloadManager.get(request);
                      

                      you have extra DownloadManager.get(request);
                      if I // it, it now drops to 0 when I abort.
                      Before it did not.

                      A Offline
                      A Offline
                      ARASHz4
                      wrote on 9 May 2016, 18:47 last edited by
                      #19

                      @mrjj Yes thank you now I understand
                      i Fix it

                      1 Reply Last reply
                      0
                      • S Offline
                        S Offline
                        seyed
                        wrote on 8 Sept 2019, 08:42 last edited by
                        #20

                        In my case, disconnecting all signals relating to QNetworkReply from all slots causes to abort() not works.

                        disconnect(m_reply, nullptr, nullptr, nullptr);
                        

                        abort function works normal after commenting this line.

                        1 Reply Last reply
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