gboolean
cometd_impl_should_backoff(const cometd_advice* advice, long attempt)
{
g_assert(advice != NULL);
return !cometd_advice_is_none(advice) &&
advice->interval == 0 && attempt > 1;
}
long
cometd_get_backoff(const cometd* h, long attempt)
{
cometd_config* config = h->config;
cometd_advice* advice = h->conn->advice;
long backoff = config->backoff_increment;
if (advice == NULL)
backoff = cometd_impl_compute_backoff(config, attempt);
else if (cometd_impl_should_backoff(advice, attempt))
backoff = cometd_impl_compute_backoff(config, attempt-1); // offset attempt
else if (cometd_advice_is_handshake(advice) || cometd_advice_is_retry(advice))
backoff = advice->interval;
else if (cometd_advice_is_none(advice))
backoff = -1;
return backoff;
}