Hi Roel, Roel Janssen <r...@gnu.org> skribis:
> I'd like to implement a web server using the (web server) module, but > allow for “streaming” results. The way I image this would look like, > is something like this: > > (define (request-handler request body) > (values '((content-type . (text/plain))) > ;; This function can build its response by writing to > ;; ‘port’, rather than to return the whole body as a > ;; string. > (lambda (port) > (format port "Hello world!")))) > > (run-server request-handler) > > Is this possible with the (web server) module? If so, how? > If not, what would be a good starting point to implement this? As discussed on IRC a few days ago, this is not really possible. ‘guix publish’ works around it by providing a custom implementation of the ‘write’ method of the HTTP server and having handlers provide a “fake” body to be interpreted by this ‘write’ implementation: https://git.savannah.gnu.org/cgit/guix.git/tree/guix/scripts/publish.scm#n690 https://git.savannah.gnu.org/cgit/guix.git/tree/guix/scripts/publish.scm#n522 I reported this limitation of (web server) at <https://issues.guix.info/issue/21093>. Thanks, Ludo’.
