ProxyRequestContext::~ProxyRequestContext() {
if (recording_) {
recordingState_.~unique_ptr<RecordingState>();
return;
}
assert(replied_);
if (reqComplete_) {
fiber_local::runWithoutLocals([this]() {
reqComplete_(*this);
});
}
if (processing_) {
--proxy_.numRequestsProcessing_;
stat_decr(proxy_.stats, proxy_reqs_processing_stat, 1);
proxy_.pump();
}
if (requester_) {
if (requester_->maxOutstanding_ != 0) {
counting_sem_post(&requester_->outstandingReqsSem_, 1);
}
}
stat_decr_safe(proxy_.stats, proxy_request_num_outstanding_stat);
}
void proxy_t::pump() {
auto numPriorities = static_cast<int>(ProxyRequestPriority::kNumPriorities);
for (int i = 0; i < numPriorities; ++i) {
auto& queue = waitingRequests_[i];
while (numRequestsProcessing_ < router_.opts().proxy_max_inflight_requests
&& !queue.empty()) {
--numRequestsWaiting_;
auto w = queue.popFront();
stat_decr(stats, proxy_reqs_waiting_stat, 1);
w->process(this);
}
}
}