core-legacy/handlers/connection.c

#include <constants.h>
#include <mongoose.h>
#include <logger.h>
#include <router.h>
#include <handlers.h>

void
handler_connection(struct mg_connection *c, int ev, void *p)
{
    if (ev == MG_EV_HTTP_REQUEST)
    {
        struct http_message *hm = (struct http_message *) p;
        LOG_DEBUG("new http %.*s request for %.*s\n", hm->method.len, hm->method.p, hm->uri.len, hm->uri.p);

        endpoint_t *endpoint = router_find_endpoint(hm->uri.p, hm->uri.len, &hm->method);

        if(endpoint)
        {
            if(endpoint->func)
            {
                endpoint->func(c, endpoint->args, p);

                for(int i = 0; i < endpoint->args_count; ++i)
                {
                    if(endpoint->args[i].type == ENDPOINT_ARG_TYPE_STR)
                    {
                        free((char*)endpoint->args[i].value.v_str);
                    }
                }
            }
            else
            {
                if(endpoint->method == HTTP_METHOD_OPTIONS)
                {
                    char options_header[256]; // TODO make more generic
                    sprintf(options_header, "Allow: OPTIONS%s%s%s%s\r\nAccess-Control-Allow-Methods: OPTIONS%s%s%s%s\r\n" STANDARD_HEADERS,
                            endpoint->options & HTTP_METHOD_GET ? ", GET" : "",
                            endpoint->options & HTTP_METHOD_POST ? ", POST" : "",
                            endpoint->options & HTTP_METHOD_PUT ? ", PUT" : "",
                            endpoint->options & HTTP_METHOD_DELETE ? ", DELETE" : "",
                            endpoint->options & HTTP_METHOD_GET ? ", GET" : "",
                            endpoint->options & HTTP_METHOD_POST ? ", POST" : "",
                            endpoint->options & HTTP_METHOD_PUT ? ", PUT" : "",
                            endpoint->options & HTTP_METHOD_DELETE ? ", DELETE" : ""
                    );
                    mg_send_head(c, 204, 0, options_header);
                }
                else
                {
                    mg_send_head(c, 501, 0, "Content-Type: text/plain");
                }
            }
        }
        else
        {
            mg_send_head(c, 500, 0, "Content-Type: text/plain");
        }

        //mg_printf(c, "%.*s", (int)hm->message.len, hm->message.p);
        //mg_printf(c, "%.*s", (int)hm->body.len, hm->body.p);
    }
}