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Logging + diagnostics

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Brage Skjønborg 2026-01-22 02:45:19 +01:00
parent 518f4726cf
commit 4d213a2b23
1 changed files with 7 additions and 1 deletions
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8
src/main/kotlin/no/iktdev/eventi/events/EventPollerImplementation.kt
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@ -20,6 +20,7 @@ abstract class EventPollerImplementation(
private val log = KotlinLogging.logger {} private val log = KotlinLogging.logger {}
open suspend fun start() { open suspend fun start() {
log.info { "EventPoller starting with initial backoff=$backoff" }
while (true) { while (true) {
try { try {
pollOnce() pollOnce()
@ -32,9 +33,12 @@ abstract class EventPollerImplementation(
} }
suspend fun pollOnce() { suspend fun pollOnce() {
val pollStartedAt = LocalDateTime.now()
log.debug { "Polling for new events" }
val newPersisted = eventStore.getPersistedEventsAfter(lastSeenTime) val newPersisted = eventStore.getPersistedEventsAfter(lastSeenTime)
if (newPersisted.isEmpty()) { if (newPersisted.isEmpty()) {
log.debug { "No new events found. Backing off for $backoff" }
delay(backoff.toMillis()) delay(backoff.toMillis())
backoff = backoff.multipliedBy(2).coerceAtMost(maxBackoff) backoff = backoff.multipliedBy(2).coerceAtMost(maxBackoff)
return return
@ -54,8 +58,10 @@ abstract class EventPollerImplementation(
val events = fullLog.mapNotNull { it.toEvent() } val events = fullLog.mapNotNull { it.toEvent() }
dispatchQueue.dispatch(referenceId, events, dispatcher) dispatchQueue.dispatch(referenceId, events, dispatcher)
lastSeenTime = fullLog.maxOf { it.persistedAt }
} }
val maxPersistedAt = newPersisted.maxOf { it.persistedAt }
log.debug { "Updating lastSeenTime from $lastSeenTime to ${minOf(pollStartedAt, maxPersistedAt).plusNanos(1)}" }
lastSeenTime = minOf(pollStartedAt, maxPersistedAt).plusNanos(1)
} }
} }