[getdns-users] Context reuse?

[James Royalty]

Thanks Willem for the response!  That's the gist of what I'm currently
doing so all good there.

Another question along these lines:  What are the circumstances where
you'd want (or need) multiple contexts?

Cheers!
--
James


On Wed, Jun 28, 2017 at 9:33 AM, Willem Toorop <willem at nlnetlabs.nl> wrote:
> Hi James,
>
> You should use a single context.
>
> Did you register the uv event loop with the context?
> Something like this:
>
>
> #include <getdns/getdns.h>
> #include <getdns/getdns_extra.h>
> #include <getdns/getdns_ext_libuv.h>
>
> int main()
> {
>         getdns_return_t r;
>         getdns_context *context = NULL;
>         uv_loop_t* loop = uv_default_loop();
>
>         if ((r = getdns_create_context(&context, 1))
>                 fprintf(stderr, "Error creating context");
>
>         else if ((r = getdns_extension_set_libuv_loop(context, loop))
>                 fprintf(stderr, "Error registering event loop");
>         else {
>                 // your stuff scheduling against loop,
>                 // doing async getdns requests etc.
>
>                 uv_run(loop, UV_RUN_DEFAULT); // Run the uv loop
>         }
>         if (r)
>                 fprintf(stderr, ": %s\n", getdns_errorstr_by_id(r));
>         getdns_context_destroy(context);
>         return r ? EXIT_FAILURE : EXIT_SUCCES;
> }
>
> Then all getdns I/O will use the libuv loop.  Even the full recursive
> requests (done with libunbound under the hood).
>
> Also don't forget to link against libgetdns_ext_uv.so then too!
> eg: -luv -lgetdns -lgetdns_ext_uv
>
>
> Cheers,
> -- Willem