Re: [Boost-users] Server application won't bind to ports on IP address other than my internal ones

Subject: Re: [Boost-users] Server application won't bind to ports on IP address other than my internal ones
From: Richard Hodges (hodges.r_at_[hidden])
Date: 2019-01-11 11:22:11

It sounds as if the problem is with the edge configuration of your Heroku
deployment.

Is there a way to test this by deploying a different application?

On Fri, 11 Jan 2019 at 17:15, Osman Zakir via Boost-users <
boost-users_at_[hidden]> wrote:

> I wrote a Dockerfile and tried to deploy it to Heroku (they accept
> Dockerfiles), but it wouldn't bind to any port they tried to bind it to.
> My server application requires an IP address and a port number as two of
> the command line arguments required to run it (it actually requires more
> than two; they are: IP address, port, docroot, number of threads).
>
> I set up port forwarding on my router for port number 8443.  Then I tried
> to use that port with my app.  I tried passing in 0.0.0.0 as the IP address
> and entered my external IP address in the browser's address bar, but I saw
> an error page.  On MS Edge, I get that "Hmmm...can't reach this page" error
> page.  And when I click on "Details", I see an error message saying, "This
> website cannot be found." Error code is "INET_E_RESOURCE_NOT_FOUND".  I
> also tried to run it by giving my external IP address for that command line
> argument, but of course I got that error from accelerator::bind() about it
> being invalid in its context.  The server app didn't exit, but I did get
> that same error I mentioned when I tried to visit my external IP on port
> 8443 in my browser.
>
> I wrote the Dockerfile for a synchronous version of the app, and the
> current one I have is asynchronous (I'm running it with 2 threads because
> that's apparently all my processor can take since it has two cores).  I
> made it asynchronous because I wanted to port it to WebAssembly, but
> Jinja2Cpp and Asio are giving me problems on that so I decided to not do it
> (Jinja2Cpp doesn't work well with Clang on Windows and Emscripten uses
> LLVM, and there's an Emscripten port for standalone Asio but it's an
> earlier version).  I don't like how the asynchronous version needs me to
> use global variables, but there's nothing I can do about that here.  Maybe
> I switch back to the synchronous version?  I might.
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Richard Hodges
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