mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
bd25cf5902
this makes the configuration of the RD server much simpler, as it does not require the user to 'binary-code' the RD server's address anymore.
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*
|
|
* Copyright (C) 2017 Freie Universität Berlin
|
|
*
|
|
* 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 net_rdcli_simple
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Simplified CoAP resource directory client implementation
|
|
*
|
|
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
|
|
*
|
|
* @}
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include "fmt.h"
|
|
#include "net/gcoap.h"
|
|
#include "net/rdcli_config.h"
|
|
#include "net/rdcli_common.h"
|
|
#include "net/rdcli_simple.h"
|
|
#include "net/ipv6/addr.h"
|
|
|
|
#define BUFSIZE (128U)
|
|
|
|
/* we don't want to allocate the CoAP packet and scratch buffer on the stack,
|
|
* as they are too large for that. */
|
|
static coap_pkt_t pkt;
|
|
static uint8_t buf[BUFSIZE];
|
|
|
|
int rdcli_simple_register(void)
|
|
{
|
|
sock_udp_ep_t remote = {
|
|
.family = AF_INET6,
|
|
.netif = SOCK_ADDR_ANY_NETIF,
|
|
.port = RDCLI_SERVER_PORT,
|
|
};
|
|
|
|
/* parse RD server address */
|
|
if (ipv6_addr_from_str((ipv6_addr_t *)&remote.addr.ipv6,
|
|
RDCLI_SERVER_ADDR) == NULL) {
|
|
return RDCLI_SIMPLE_NOADDR;
|
|
}
|
|
|
|
/* build the initial CON packet */
|
|
if (gcoap_req_init(&pkt, buf, sizeof(buf), COAP_METHOD_POST,
|
|
"/.well-known/core") < 0) {
|
|
return RDCLI_SIMPLE_ERROR;
|
|
}
|
|
/* make packet confirmable */
|
|
coap_hdr_set_type(pkt.hdr, COAP_TYPE_CON);
|
|
/* add Uri-Query options */
|
|
if (rdcli_common_add_qstring(&pkt) < 0) {
|
|
return RDCLI_SIMPLE_ERROR;
|
|
}
|
|
/* finish, we don't have any payload */
|
|
ssize_t len = gcoap_finish(&pkt, 0, COAP_FORMAT_LINK);
|
|
if (gcoap_req_send2(buf, len, &remote, NULL) == 0) {
|
|
return RDCLI_SIMPLE_ERROR;
|
|
}
|
|
|
|
return RDCLI_SIMPLE_OK;
|
|
}
|