// When the name, address, port, and txtinfo for a service is found, FoundInstanceInfo()
// enqueues a record for PrintServiceInfo() to print.
// Note, a browsing application would *not* normally need to get all this information --
// all it needs is the name, to display to the user.
// Finding out the address, port, and txtinfo should be deferred to the time that the user
// actually needs to contact the service to use it.
static void FoundInstanceInfo(mDNS *const m, ServiceInfoQuery *query)
{
SearcherServices *services = (SearcherServices *)query->ServiceInfoQueryContext;
linkedServiceInfo *info = (linkedServiceInfo *)(query->info);
if (query->info->ip.type == mDNSAddrType_IPv4)
{
mDNS_StopResolveService(m, query); // For this test code, one answer is sufficient
OTLIFOEnqueue(&services->serviceinfolist, &info->link);
OTFreeMem(query);
}
}
static void
foobar_manage_service(mDNS *m, const ResourceRecord *answer,
const domainlabel *name, bool add)
{
if (add) {
mStatus status;
service_info_query *siq =
calloc(1, sizeof(*siq));
assert(siq != NULL);
siq->next = service_info_query_list;
service_info_query_list = siq;
siq->info.name = answer->rdata->u.name;
siq->info.InterfaceID = answer->InterfaceID;
status = mDNS_StartResolveService(m, &siq->query, &siq->info,
foobar_service_info, NULL);
assert(status == mStatus_NoError);
} else {
service_info_query *cur = service_info_query_list;
service_info_query *prev = cur;
while (cur != NULL && !SameDomainLabel(&name->c[0],
&cur->info.name.c[0])) {
prev = cur;
cur = cur->next;
}
if (cur != NULL) {
if (prev != cur) {
prev->next = cur->next;
} else {
service_info_query_list = cur->next;
}
mDNS_StopResolveService(m, &cur->query);
free(cur);
}
}
}