A web server in x86 assembly language
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A web server in x86 assembly language
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Re: A web server in x86 assembly language
#2Hmmm, 90% seems to be glueing Win32 APIs together for a GUI. That's not very exciting in assembly; neither is it significantly more efficient than doing it from C. It's also very unreadable, and I fear for maintainability.
And does this webserver serve many simultaneous connections? I doubt it. You'd learn more about proper webserver programming techniques by studying the source code to nginx [1] or mongrel2 [2].
As an example, it's more useful in showing how to build GUIs in assembly, and that's not very productive. You do get small executables, tho.
Re: A web server in x86 assembly language
#3It's also an example of a Win32 program in assembler, together with a WndProc for a window. Does Win32 require a window if you want to write a web server?
Re: A web server in x86 assembly language
#4Hm, no rack adapter yet?
duck
Re: A web server in x86 assembly language
#5Hmmm, 90% seems to be glueing Win32 APIs together for a GUI. That's not very exciting in assembly; neither is it significantly more efficient than doing it from C. It's also very unreadable, and I fear for maintainability. And does this webserver serve many simultaneous connections? I doubt it. You'd learn more about proper webserver programming techniques by studying the source code to nginx [1] or mongrel2 [2]. As…
For a short while it was quite fashionable to have really small Windows programs around, before broadband was common enough, as a reaction to bloated programs, Java runtimes, multi-megabyte VB executables etc. Saw quite a number of assembly-based editors back then. But to be honest, most of those were a small wrapper around the Windows edit controls...
Re: A web server in x86 assembly language
#6It's also an example of a Win32 program in assembler, together with a WndProc for a window. Does Win32 require a window if you want to write a web server?
No. Without seeing the code, my guess is it's used either as a control console or for IPC.
Re: A web server in x86 assembly language
#7I'd say code readability is at the level of a Node.js application.
Re: A web server in x86 assembly language
#8It's also an example of a Win32 program in assembler, together with a WndProc for a window. Does Win32 require a window if you want to write a web server?
Obviously not, a Win32 process is not required to have any windows at all. Actually, web servers are typically ran as services and services are not allowed to interact with the user interface at all in theory (not just with windows, but with things such as printers either).
Re: A web server in x86 assembly language
#9It would have been really neat if the page was served by the very same assembly code.
Re: A web server in x86 assembly language
#10These Win32 assembly programs are quite cool. I used to dabble with writing small things in it. But I realised a while ago that, as Luyt has already touched on, 95% - 99.x% of the CPU time is spent in the Win32 library code, which is written in C, and which you have to call if you want to do anything significant, eg. put up a GUI. That defeats the performance benefit of writing such programs in asm: like Luyt said the slow down from writing the same thing in efficient C or C++ code would be minute. You still get the benefit of tiny executables, though.
One might consider the fact that nowadays it's only worth writing "busy code" in assembly, and most or all of a GUI app isn't busy code, but that would be being sensible. A web server might have a few pieces of busy code in it IF it's designed to connect to hundreds or thousands of users at once. It would be good to write those in assembly. :)