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Code Issues Releases Wiki Activity

Close the clients when the JVM is shutting down

This commit is contained in:
Andrea Cavalli 2021-10-06 20:39:53 +02:00
parent d273db0df9
commit c39f101002
2 changed files with 37 additions and 0 deletions
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18
src/main/java/it/tdlight/common/internal/InternalClient.java
View File

@ -23,8 +23,11 @@ public final class InternalClient implements ClientEventsHandler, TelegramClient
private static final Marker TG_MARKER = MarkerFactory.getMarker("TG");
private static final Logger logger = LoggerFactory.getLogger(TelegramClient.class);
private final ConcurrentHashMap<Long, Handler> handlers = new ConcurrentHashMap<Long, Handler>();
private final Thread shutdownHook = new Thread(this::onJVMShutdown);
private volatile Integer clientId = null;
private final InternalClientManager clientManager;
private Handler updateHandler;
@ -35,6 +38,7 @@ public final class InternalClient implements ClientEventsHandler, TelegramClient
public InternalClient(InternalClientManager clientManager) {
this.clientManager = clientManager;
Runtime.getRuntime().addShutdownHook(shutdownHook);
}
@Override
@ -81,6 +85,11 @@ public final class InternalClient implements ClientEventsHandler, TelegramClient
private void handleClose() {
logger.trace(TG_MARKER, "Received close");
try {
Runtime.getRuntime().removeShutdownHook(shutdownHook);
} catch (IllegalStateException ignored) {
logger.trace(TG_MARKER, "Can't remove shutdown hook because the JVM is already shutting down");
}
handlers.forEach((eventId, handler) -> {
handleResponse(eventId, new Error(500, "Instance closed"), handler);
});
@ -181,6 +190,15 @@ public final class InternalClient implements ClientEventsHandler, TelegramClient
return NativeClientAccess.execute(query);
}
private void onJVMShutdown() {
try {
logger.info(TG_MARKER, "Client {} is shutting down because the JVM is shutting down", clientId);
this.send(new TdApi.Close(), result -> {}, ex -> {});
} catch (Throwable ex) {
logger.debug("Failed to send shutdown request to session {}", clientId);
}
}
/**
*
* @param function function used to check if the check will be enforced or not. Can be null

19
src/main/java/it/tdlight/common/internal/InternalReactiveClient.java
View File

@ -38,6 +38,8 @@ public final class InternalReactiveClient implements ClientEventsHandler, Reacti
private final ExceptionHandler defaultExceptionHandler;
private final Handler updateHandler;
private final Thread shutdownHook = new Thread(this::onJVMShutdown);
private volatile Integer clientId = null;
private final InternalClientManager clientManager;
@ -48,6 +50,7 @@ public final class InternalReactiveClient implements ClientEventsHandler, Reacti
this.clientManager = clientManager;
this.updateHandler = new Handler(this::onUpdateFromHandler, this::onUpdateException);
this.defaultExceptionHandler = this::onDefaultException;
Runtime.getRuntime().addShutdownHook(shutdownHook);
}
@Override
@ -72,6 +75,12 @@ public final class InternalReactiveClient implements ClientEventsHandler, Reacti
* This method will be called exactly once
*/
private void handleClose() {
logger.trace(TG_MARKER, "Received close");
try {
Runtime.getRuntime().removeShutdownHook(shutdownHook);
} catch (IllegalStateException ignored) {
logger.trace(TG_MARKER, "Can't remove shutdown hook because the JVM is already shutting down");
}
TdApi.Error instanceClosedError = new Error(500, "Instance closed");
handlers.forEach((eventId, handler) -> this.handleResponse(eventId, instanceClosedError, handler));
handlers.clear();
@ -90,6 +99,7 @@ public final class InternalReactiveClient implements ClientEventsHandler, Reacti
if (signalListener != null) {
signalListener.onSignal(Signal.ofClosed());
}
logger.info(TG_MARKER, "Client closed {}", clientId);
}
/**
@ -299,6 +309,15 @@ public final class InternalReactiveClient implements ClientEventsHandler, Reacti
}
}
private void onJVMShutdown() {
try {
logger.info(TG_MARKER, "Client {} is shutting down because the JVM is shutting down", clientId);
sendCloseAndIgnoreResponse();
} catch (Throwable ex) {
logger.debug("Failed to send shutdown request to session {}", clientId);
}
}
/**
* @param function function used to check if the check will be enforced or not. Can be null
* @return true if closed