Sagui library v3.5.0
Cross-platform library which helps to develop web servers or frameworks.
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example_httpreq_isolate.c

Simple example showing how to isolate requests on their own threads.

/* _
* ___ __ _ __ _ _ _(_)
* / __|/ _` |/ _` | | | | |
* \__ \ (_| | (_| | |_| | |
* |___/\__,_|\__, |\__,_|_|
* |___/
*
* Cross-platform library which helps to develop web servers or frameworks.
*
* Copyright (C) 2016-2020 Silvio Clecio <silvioprog@gmail.com>
*
* Sagui library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Sagui library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sagui library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <sagui.h>
/* NOTE: Error checking has been omitted to make it clear. */
static void req_isolated_cb(__SG_UNUSED void *cls,
__SG_UNUSED struct sg_httpreq *req,
struct sg_httpres *res) {
sleep(3);
res,
"<html><head><title>Isolated request</title></head><body>Isolated and "
"delayed request</body></html>",
"text/html; charset=utf-8", 200);
}
static void req_cb(__SG_UNUSED void *cls, struct sg_httpreq *req,
struct sg_httpres *res) {
if (strcmp(sg_httpreq_path(req), "/delayed") == 0)
sg_httpreq_isolate(req, req_isolated_cb, NULL);
else
"<html><head><title>Hello world</title></head><body>Hello "
"world</body></html>",
"text/html; charset=utf-8", 200);
}
int main(int argc, const char *argv[]) {
struct sg_httpsrv *srv;
uint16_t port;
if (argc != 2) {
printf("%s <PORT>\n", argv[0]);
return EXIT_FAILURE;
}
port = strtol(argv[1], NULL, 10);
srv = sg_httpsrv_new(req_cb, NULL);
if (!sg_httpsrv_listen(srv, port, false)) {
return EXIT_FAILURE;
}
fprintf(stdout, "Server running at http://localhost:%d\n",
fflush(stdout);
getchar();
return EXIT_SUCCESS;
}
int sg_httpreq_isolate(struct sg_httpreq *req, sg_httpreq_cb cb, void *cls)
struct sg_httpsrv * sg_httpsrv_new(sg_httpreq_cb cb, void *cls) __attribute__((malloc))
void sg_httpsrv_free(struct sg_httpsrv *srv)
const char * sg_httpreq_path(struct sg_httpreq *req)
#define sg_httpres_send(res, val, content_type, status)
Definition sagui.h:1032
bool sg_httpsrv_listen(struct sg_httpsrv *srv, uint16_t port, bool threaded)
uint16_t sg_httpsrv_port(struct sg_httpsrv *srv)