+ return OptionalLong.empty();
+ }
+
+ private void timeoutEntry(final ConnectionEntry entry, final long beenOpen) {
+ // Timeouts needs to be re-scheduled on actor thread because we are holding the lock on the current queue,
+ // which may be the tail of a successor chain. This is a problem if the callback attempts to send a request
+ // because that will attempt to lock the chain from the start, potentially causing a deadlock if there is
+ // a concurrent attempt to transmit.
+ context.executeInActor(current -> {
+ final double time = beenOpen * 1.0 / 1_000_000_000;
+ entry.complete(entry.getRequest().toRequestFailure(
+ new RequestTimeoutException(entry.getRequest() + " timed out after " + time
+ + " seconds. The backend for " + backendName + " is not available.")));
+ return current;
+ });