Apple-2-SW/contiki
1
0
Fork 0
mirror of https://github.com/oliverschmidt/contiki.git synced 2024-12-30 15:30:30 +00:00
Code Issues Projects Releases Wiki Activity

Keep CoAP 'observe' option length <= 3 bytes

Browse Source
This commit is contained in:
Atis Elsts 2017-04-08 15:02:52 +01:00
parent d0ddb7221e
commit f83f035855
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
apps/er-coap/er-coap-observe.c
View File

@ -249,6 +249,8 @@ coap_notify_observers_sub(resource_t *resource, const char *subpath)
if(notification->code < BAD_REQUEST_4_00) {
coap_set_header_observe(notification, (obs->obs_counter)++);
/* mask out to keep the CoAP observe option length <= 3 bytes */
obs->obs_counter &= 0xffffff;
}
coap_set_token(notification, obs->token, obs->token_len);
@ -276,6 +278,8 @@ coap_observe_handler(resource_t *resource, void *request, void *response)
coap_req->uri_path, coap_req->uri_path_len);
if(obs) {
coap_set_header_observe(coap_res, (obs->obs_counter)++);
/* mask out to keep the CoAP observe option length <= 3 bytes */
obs->obs_counter &= 0xffffff;
/*
* Following payload is for demonstration purposes only.
* A subscription should return the same representation as a normal GET.