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Update a pathological case

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This commit is contained in:
carbotaniuman 2020-06-21 22:21:03 -05:00
parent 6efff4ce40
commit 2c4cfefb94
1 changed files with 23 additions and 11 deletions
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34
src/main/kotlin/mdnet/base/MangaDexClient.kt
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@ -36,6 +36,7 @@ data class Running(val server: Http4kServer, val settings: ServerSettings) : Sta
class MangaDexClient(private val clientSettings: ClientSettings) {
// this must remain singlethreaded because of how the state mechanism works
private val executorService = Executors.newSingleThreadScheduledExecutor()
// state must only be accessed from the thread on the executorService
private var state: State = Uninitialized
private val serverHandler: ServerHandler = ServerHandler(clientSettings)
@ -260,21 +261,32 @@ class MangaDexClient(private val clientSettings: ClientSettings) {
fun shutdown() {
LOGGER.info("Mangadex@Home Client stopping")
val state = this.state
if (state is Running) {
val latch = CountDownLatch(1)
this.state = GracefulShutdown(state, nextState = Shutdown) {
webUi?.close()
try {
cache.close()
} catch (e: IOException) {
LOGGER.error("Cache failed to close", e)
val latch = CountDownLatch(1)
executorService.schedule({
val state = this.state
if (state is Running) {
this.state = GracefulShutdown(state, nextState = Shutdown) {
latch.countDown()
}
latch.await()
} else if (state is GracefulShutdown) {
this.state = state.copy(nextState = Shutdown) {
latch.countDown()
}
} else if (state is Uninitialized || state is Shutdown) {
this.state = Shutdown
latch.countDown()
}
latch.await()
}, 0, TimeUnit.SECONDS)
latch.await()
webUi?.close()
try {
cache.close()
} catch (e: IOException) {
LOGGER.error("Cache failed to close", e)
}
executorService.shutdown()
LOGGER.info("Mangadex@Home Client stopped")