kore/examples/async-curl/src/ftp.c

83 lines
2.1 KiB
C

/*
* Copyright (c) 2019 Joris Vink <joris@coders.se>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This example is the same as the HTTP one (see src/http.c) except
* we fetch an FTP URL.
*/
#include <kore/kore.h>
#include <kore/http.h>
#include <kore/curl.h>
int ftp(struct http_request *);
static int state_setup(struct http_request *);
static int state_result(struct http_request *);
static struct http_state states[] = {
KORE_HTTP_STATE(state_setup),
KORE_HTTP_STATE(state_result)
};
int
ftp(struct http_request *req)
{
return (http_state_run(states, 2, req));
}
static int
state_setup(struct http_request *req)
{
struct kore_curl *client;
client = http_state_create(req, sizeof(*client));
if (!kore_curl_init(client,
"http://ftp.eu.openbsd.org/pub/OpenBSD/README", KORE_CURL_ASYNC)) {
http_response(req, 500, NULL, 0);
return (HTTP_STATE_COMPLETE);
}
kore_curl_bind_request(client, req);
kore_curl_run(client);
req->fsm_state = 1;
return (HTTP_STATE_RETRY);
}
static int
state_result(struct http_request *req)
{
size_t len;
const u_int8_t *body;
struct kore_curl *client;
client = http_state_get(req);
if (!kore_curl_success(client)) {
kore_curl_logerror(client);
http_response(req, 500, NULL, 0);
} else {
kore_curl_response_as_bytes(client, &body, &len);
http_response(req, HTTP_STATUS_OK, body, len);
}
kore_curl_cleanup(client);
return (HTTP_STATE_COMPLETE);
}