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RIOT/sys/suit/transport/coap.c
2022-09-03 23:25:01 +02:00

100 lines
2.9 KiB
C

/*
* Copyright (C) 2019 Freie Universität Berlin
* 2019 Inria
* 2019 Kaspar Schleiser <kaspar@schleiser.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup sys_suit
* @{
*
* @file
* @brief SUIT coap
*
* @author Koen Zandberg <koen@bergzand.net>
* @author Kaspar Schleiser <kaspar@schleiser.de>
* @author Francisco Molina <francois-xavier.molina@inria.fr>
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
* @}
*/
#include "log.h"
#include "suit.h"
#include "net/nanocoap.h"
#include "suit/transport/coap.h"
#include "kernel_defines.h"
#ifdef MODULE_RIOTBOOT_SLOT
#include "riotboot/slot.h"
#endif
static ssize_t _version_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len,
coap_request_ctx_t *context)
{
(void)context;
return coap_reply_simple(pkt, COAP_CODE_205, buf, len,
COAP_FORMAT_TEXT, (uint8_t *)"NONE", 4);
}
static ssize_t _trigger_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len,
coap_request_ctx_t *context)
{
(void)context;
unsigned code;
size_t payload_len = pkt->payload_len;
if (payload_len) {
if (payload_len >= CONFIG_SOCK_URLPATH_MAXLEN) {
code = COAP_CODE_REQUEST_ENTITY_TOO_LARGE;
}
else {
code = COAP_CODE_CREATED;
LOG_INFO("suit: received URL: \"%s\"\n", (char *)pkt->payload);
suit_worker_trigger((char *)pkt->payload, payload_len);
}
}
else {
code = COAP_CODE_REQUEST_ENTITY_INCOMPLETE;
}
return coap_reply_simple(pkt, code, buf, len,
COAP_FORMAT_NONE, NULL, 0);
}
#ifdef MODULE_RIOTBOOT_SLOT
static ssize_t _slot_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len,
coap_request_ctx_t *context)
{
/* context is passed either as NULL or 0x1 for /active or /inactive */
char c = '0';
if (coap_request_ctx_get_context(context)) {
c += riotboot_slot_other();
}
else {
c += riotboot_slot_current();
}
return coap_reply_simple(pkt, COAP_CODE_205, buf, len,
COAP_FORMAT_TEXT, (uint8_t *)&c, 1);
}
#endif
static const coap_resource_t _subtree[] = {
#ifdef MODULE_RIOTBOOT_SLOT
{ "/suit/slot/active", COAP_METHOD_GET, _slot_handler, NULL },
{ "/suit/slot/inactive", COAP_METHOD_GET, _slot_handler, (void *)0x1 },
#endif
{ "/suit/trigger", COAP_METHOD_PUT | COAP_METHOD_POST, _trigger_handler, NULL },
{ "/suit/version", COAP_METHOD_GET, _version_handler, NULL },
};
const coap_resource_subtree_t coap_resource_subtree_suit =
{
.resources = &_subtree[0],
.resources_numof = ARRAY_SIZE(_subtree)
};