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Add response to service meta-query (RFC6763 Section 10), following https://github.com/espressif/esp-idf/pull/340/files

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df 2020-07-26 14:57:23 +01:00
parent 3c1f038fbc
commit 17ef47d6f2
1 changed files with 23 additions and 12 deletions
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15
mdnsd.c
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@ -630,8 +630,19 @@ static int populate_probe(struct mdnsd *svr, struct rr_list **rr_head)
static int populate_answers(struct mdnsd *svr, struct rr_list **rr_head, uint8_t *name, enum rr_type type) {
int num_ans = 0;
// check if we have the records
pthread_mutex_lock(&svr->data_lock);
if (type == RR_PTR && 0 == cmp_nlabel(SERVICES_DNS_SD_NLABEL, name)) {
// add answers for all services
for (struct rr_list *n = svr->services; n; n = n->next) {
// if (s->service->service && s->service->proto)
num_ans += rr_list_append(rr_head, n->e);
}
} else {
// check if we have the records
struct rr_group *ans_grp = rr_group_find(svr->group, name);
if (ans_grp != NULL) {
// decide which records should go into answers
@ -646,6 +657,7 @@ static int populate_answers(struct mdnsd *svr, struct rr_list **rr_head, uint8_t
}
}
}
pthread_mutex_unlock(&svr->data_lock);
return num_ans;
@ -2341,7 +2353,6 @@ int mdnsd_discover_service(char *service_type, int discover_time_msec, struct md
{
int result = -1;
struct timeval old_time, cur_time;
unsigned int time_diff;
int try_count;
int domain;
char service_type_str[128];