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Code Releases Activity

net/gcoap: observer re-register with new token

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This commit is contained in:
Ken Bannister 2018-05-28 01:49:08 -04:00
parent 202fd41b88
commit d7dde2dded
1 changed files with 6 additions and 3 deletions
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9
sys/net/application_layer/gcoap/gcoap.c
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@ -279,7 +279,6 @@ static size_t _handle_req(coap_pkt_t *pdu, uint8_t *buf, size_t len,
case GCOAP_RESOURCE_NO_PATH:
return gcoap_response(pdu, buf, len, COAP_CODE_PATH_NOT_FOUND);
case GCOAP_RESOURCE_FOUND:
/* used below to ensure a memo not already recorded for the resource */
_find_obs_memo_resource(&resource_memo, resource);
break;
}
@ -288,8 +287,12 @@ static size_t _handle_req(coap_pkt_t *pdu, uint8_t *buf, size_t len,
int empty_slot = _find_obs_memo(&memo, remote, pdu);
/* record observe memo */
if (memo == NULL) {
if (empty_slot >= 0 && resource_memo == NULL) {
if ((resource_memo != NULL)
&& _endpoints_equal(remote, resource_memo->observer)) {
/* observer re-registering with new token */
memo = resource_memo;
}
else if ((empty_slot >= 0) && (resource_memo == NULL)) {
int obs_slot = _find_observer(&observer, remote);
/* cache new observer */
if (observer == NULL) {