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examples/nanocoap: add blockwise block2 example

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This commit is contained in:
Koen Zandberg 2018-04-11 22:25:16 +02:00
parent 551b3513db
commit f3b4e44a26
2 changed files with 40 additions and 1 deletions
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2
examples/nanocoap_server/Makefile
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@ -11,7 +11,7 @@ BOARD_INSUFFICIENT_MEMORY := arduino-duemilanove arduino-mega2560 arduino-uno \
chronos msb-430 msb-430h nucleo-f031k6 \
nucleo-f042k6 nucleo-l031k6 nucleo-f030r8 \
nucleo-f303k8 nucleo-l053r8 stm32f0discovery \
telosb waspmote-pro z1
telosb waspmote-pro wsn430-v1_3b wsn430-v1_4 z1
# Include packages that pull up and auto-init the link layer.
# NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present

39
examples/nanocoap_server/coap_handler.c
View File

@ -17,6 +17,10 @@
/* internal value that can be read/written via CoAP */
static uint8_t internal_value = 0;
static const uint8_t block2_intro[] = "This is RIOT (Version: ";
static const uint8_t block2_board[] = " running on a ";
static const uint8_t block2_mcu[] = " board with a ";
static ssize_t _riot_board_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len, void *context)
{
(void)context;
@ -24,6 +28,40 @@ static ssize_t _riot_board_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len, vo
COAP_FORMAT_TEXT, (uint8_t*)RIOT_BOARD, strlen(RIOT_BOARD));
}
static ssize_t _riot_block2_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len, void *context)
{
(void)context;
coap_block_slicer_t slicer;
coap_block2_init(pkt, &slicer);
uint8_t *payload = buf + coap_get_total_hdr_len(pkt);
uint8_t *bufpos = payload;
bufpos += coap_put_option_ct(bufpos, 0, COAP_FORMAT_TEXT);
bufpos += coap_opt_put_block2(bufpos, COAP_OPT_CONTENT_FORMAT, &slicer, 1);
*bufpos++ = 0xff;
/* Add actual content */
bufpos += coap_blockwise_put_bytes(&slicer, bufpos, block2_intro, sizeof(block2_intro));
bufpos += coap_blockwise_put_bytes(&slicer, bufpos, (uint8_t*)RIOT_VERSION, sizeof(RIOT_VERSION));
bufpos += coap_blockwise_put_char(&slicer, bufpos, ')');
bufpos += coap_blockwise_put_bytes(&slicer, bufpos, block2_board, sizeof(block2_board));
bufpos += coap_blockwise_put_bytes(&slicer, bufpos, (uint8_t*)RIOT_BOARD, sizeof(RIOT_BOARD));
bufpos += coap_blockwise_put_bytes(&slicer, bufpos, block2_mcu, sizeof(block2_mcu));
bufpos += coap_blockwise_put_bytes(&slicer, bufpos, (uint8_t*)RIOT_MCU, sizeof(RIOT_MCU));
/* To demonstrate individual chars */
bufpos += coap_blockwise_put_char(&slicer, bufpos, ' ');
bufpos += coap_blockwise_put_char(&slicer, bufpos, 'M');
bufpos += coap_blockwise_put_char(&slicer, bufpos, 'C');
bufpos += coap_blockwise_put_char(&slicer, bufpos, 'U');
bufpos += coap_blockwise_put_char(&slicer, bufpos, '.');
unsigned payload_len = bufpos - payload;
return coap_block2_build_reply(pkt, COAP_CODE_205,
buf, len, payload_len, &slicer);
}
static ssize_t _riot_value_handler(coap_pkt_t *pkt, uint8_t *buf, size_t len, void *context)
{
(void) context;
@ -109,6 +147,7 @@ const coap_resource_t coap_resources[] = {
COAP_WELL_KNOWN_CORE_DEFAULT_HANDLER,
{ "/riot/board", COAP_GET, _riot_board_handler, NULL },
{ "/riot/value", COAP_GET | COAP_PUT | COAP_POST, _riot_value_handler, NULL },
{ "/riot/ver", COAP_GET, _riot_block2_handler, NULL },
{ "/sha256", COAP_POST, _sha256_handler, NULL },
};