Hi list, I'm writing a network program which runs on MS Windows, Linux and Mac OS X. All things look good but it seems that the network performance needs improving. I see the QtNetwork module especially the QNetworkAccessManager class which I'm mainly using in my program is implemented using cross platform select model, this model is designed for easy using but not for good performance such as low latency and high throughout, every Operating System provide a special socket/IO model to let applications have good performance, for example, MS Windows provides IO completion port model, Linux (>= 2.6 kernel) provides epoll/AIO model, BSD/Mac OSX provide kqueue etc. So I want to provide my customized NetworkAccessManager class, but I don't want to modify the Qt's source code since I will use Boost.asio library which depends on Boost library, a very big library that is not suitable to include in Qt as a 3rd party library. I wonder if your guys could modify the QNetworkAccessManager's method declaration(get, post, put...), make them be virtual, so that I can derive a subclass and modify the implementation. The reason I need a subclass of QNetworkAccessManager not a new class is, I also want my class could be set as the network engine of QtWebkit. Feel free to reply if you have any other good idea.
Regards, Fan Yang
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