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How to write your own download manager using C ++?

I want to write my own boot manager using C ++ (qt4), but I have no idea about it, so

please suggest me where to start, if you know a good tutorial or link, please

post it.

I also want to implement pause / resume and multiple download functions.

I already know that there is a long list of download managers (fdm, idm, wget, flashgot, orbit, etc.), but still I want to create my own to understand the work behind them.

-Thanks in advance.

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c ++ qt qt4
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5 answers

If you are trying to make a production class, I would recommend URDL or Boost.Asio in general.

But if you're into entertainment, consider Byte ranges and multithreading to handle asynchronous operations. However, asio would be the best choice for this.

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Qt classes - The QNetworkAccessManager, QNetworkRequest, and QNetworkReply classes will help you write your download manager.

QNetworkAcessManager :: get () is used to load

- Greetings

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Full Qt example: http://doc.qt.nokia.com/4.6/network-downloadmanager.html

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Qt is a fairly stable project and has great documentation, not Boost . So I made a small headline for Qt Projects that handles downloads like pro, you should try.

QEasyDownloader

Features

  • Support native download support
  • Automatically resume downloads, can be disabled if the user wants!
  • Automatically handles Network Interrupts .
  • Pause and Resume Downloads as cute.
  • Manipulating resources, use your own QNetworkAccessManager .

Using

#include <QCoreApplication> #include "QEasyDownloader/QEasyDownloader.hpp" int main(int argc, char **argv) { QCoreApplication app(argc, argv); QEasyDownloader Downloader; /* * By Default Debug is false , make it true to print the download progress and * other stuff! */ Downloader.Debug(true); QObject::connect(&Downloader, &QEasyDownloader::DownloadFinished, [&](QUrl Url, QString file) { qDebug() << "Downloaded :: " << file << " :: FROM :: " << Url; app.quit(); }); /* * Just Download! */ Downloader.Download("http://www.divineimagination.com/gallery/movie/roving_web.wmv"); return app.exec(); }

`` ``

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Maybe DataCod (and svn )?

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