fix: response failed when set a large response data

set the last parameter of `coap_pdu_init`, from size to COAP_MAX_PDU_SIZE
refer to https://github.com/obgm/libcoap.git/examples/contiki/coap-observer.c settings -> COAP_DEFAULT_MTU

close https://ezredmine.espressif.cn:8765/issues/23207
This commit is contained in:
chenwu 2018-06-26 16:48:30 +08:00
parent a698035fa9
commit 152a060425

View File

@ -51,8 +51,7 @@ send_async_response(coap_context_t *ctx, const coap_endpoint_t *local_if)
coap_pdu_t *response;
unsigned char buf[3];
const char* response_data = "Hello World!";
size_t size = sizeof(coap_hdr_t) + 20;
response = coap_pdu_init(async->flags & COAP_MESSAGE_CON, COAP_RESPONSE_CODE(205), 0, size);
response = coap_pdu_init(async->flags & COAP_MESSAGE_CON, COAP_RESPONSE_CODE(205), 0, COAP_MAX_PDU_SIZE);
response->hdr->id = coap_new_message_id(ctx);
if (async->tokenlen)
coap_add_token(response, async->tokenlen, async->token);