FskErr KprCoAPClientSendRequest(KprCoAPClient self, KprCoAPMessage message)
{
FskErr err = kFskErrNone;
const char *host = message->host;
UInt16 port = message->port;
KprCoAPClientResolver dest = self->resolvers;
while (dest) {
if (port == dest->port && FskStrCompareCaseInsensitive(host, dest->host) == 0) break;
dest = dest->next;
}
if (dest) {
if (KprCoAPClientResolverIsResolved(dest)) {
err = KprCoAPClientStartRequest(self, dest->ipaddr, port, message);
} else {
err = KprCoAPClientResolverQueueMessage(dest, message);
}
} else {
bailIfError(KprCoAPClientResolverNew(&dest, self, host, port, message));
FskListAppend(&self->resolvers, dest);
}
bail:
return err;
}
static void KprCoAPClientResolverResolved(FskResolver rr)
{
FskErr err = kFskErrNone;
KprCoAPClientResolver self = (KprCoAPClientResolver)rr->ref;
KprCoAPMessageQueue entry;
self->resolver = NULL;
bailIfError(rr->err);
self->ipaddr = rr->resolvedIP;
FskTimeGetNow(&self->resolvedAt);
entry = self->waiting;
while (entry) {
KprCoAPMessageQueue next = entry->next;
KprCoAPMessage message = entry->message;
bailIfError(KprCoAPClientStartRequest(self->client, self->ipaddr, self->port, message));
entry = next;
}
bail:
if (err) {
if (self->constructed) {
KprCoAPClientReportError(self->client, err, "dns resolve error");
} else {
self->err = err;
}
}
}
