rapida/examples/c/minimal.c

#include "../../include/rapida.h"
#include <string.h> /* for strdup() */
#include <stdio.h>


/*
 * \brief Process home page request.
 *
 * \param req Request.
 * \param res Response.
 * \param userdata Additional data that you can pass to this handler
 *                 when adding a route.
 */
static void home_page_handler(rpd_req *req, rpd_res *res, void *userdata)
{
    /* Check request method */
    switch (req->method) {
    case GET:
        /* Process GET request */
        res->status = rpd_res_st_ok;

        /* Please allocate data on the heap,
         * because after calling this handler
         * Rapida will free it all.
         */
        res->content_type = strdup("text/plain");
        res->body = strdup("Hello World!");
        break;
    default:
        /* Other request methods are not implemented,
         * so set the appropriate response status.
         */
        res->status = rpd_res_st_not_implemented;
        break;
    }

    /*
     * You don't have to do something like send a response.
     * Rapida will do this after calling this handler.
     */
}

int main()
{
    rpd_app app;
    /* Initialize application. */
    rpd_app_create(&app, "/tmp/webapp.socket");

    /* Add home "/" page handler. */
    rpd_app_add_route(&app, "/", &home_page_handler, NULL);

    /* Run the application and return its status code. */
    return rpd_app_start(&app);
}