tdlight-team/tdlight-java
tdlight-team/tdlight-java
1
2
Fork 0
Code Issues Releases Wiki Activity

Levlam race condition fix

Browse Source
This commit is contained in:
Andrea Cavalli 2020-11-14 11:12:52 +01:00
parent ddad489bc0
commit 69e0b7d2c0
3 changed files with 30 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
src/main/java/it/tdlight/common/InternalClient.java
View File

@ -7,11 +7,9 @@ import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.ReentrantReadWriteLock;
public class InternalClient implements ClientEventsHandler, TelegramClient {
static final ReentrantReadWriteLock clientInitializationLock = new ReentrantReadWriteLock(true);
private final ConcurrentHashMap<Long, Handler> handlers = new ConcurrentHashMap<Long, Handler>();
private final int clientId;
@ -26,36 +24,26 @@ public class InternalClient implements ClientEventsHandler, TelegramClient {
ResultHandler updateHandler,
ExceptionHandler updateExceptionHandler,
ExceptionHandler defaultExceptionHandler) {
clientInitializationLock.writeLock().lock();
try {
this.updateHandler = new Handler(updateHandler, updateExceptionHandler);
this.updatesHandler = null;
this.defaultExceptionHandler = defaultExceptionHandler;
this.clientManager = clientManager;
this.clientId = NativeClientAccess.create();
this.updateHandler = new Handler(updateHandler, updateExceptionHandler);
this.updatesHandler = null;
this.defaultExceptionHandler = defaultExceptionHandler;
this.clientManager = clientManager;
this.clientId = NativeClientAccess.create();
clientManager.registerClient(clientId, this);
} finally {
clientInitializationLock.writeLock().unlock();
}
clientManager.registerClient(clientId, this);
}
public InternalClient(InternalClientManager clientManager,
UpdatesHandler updatesHandler,
ExceptionHandler updateExceptionHandler,
ExceptionHandler defaultExceptionHandler) {
clientInitializationLock.writeLock().lock();
try {
this.updateHandler = null;
this.updatesHandler = new MultiHandler(updatesHandler, updateExceptionHandler);
this.clientManager = clientManager;
this.defaultExceptionHandler = defaultExceptionHandler;
this.clientId = NativeClientAccess.create();
this.updateHandler = null;
this.updatesHandler = new MultiHandler(updatesHandler, updateExceptionHandler);
this.clientManager = clientManager;
this.defaultExceptionHandler = defaultExceptionHandler;
this.clientId = NativeClientAccess.create();
clientManager.registerClient(clientId, this);
} finally {
clientInitializationLock.writeLock().unlock();
}
clientManager.registerClient(clientId, this);
}
@Override

6
src/main/java/it/tdlight/common/InternalClientManager.java
View File

@ -1,5 +1,6 @@
package it.tdlight.common;
import it.tdlight.jni.TdApi;
import it.tdlight.jni.TdApi.Object;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;
@ -43,11 +44,14 @@ public class InternalClientManager implements AutoCloseable {
}
public void registerClient(int clientId, InternalClient internalClient) {
responseReceiver.registerClient();
responseReceiver.registerClient(clientId);
boolean replaced = registeredClientEventHandlers.put(clientId, internalClient) != null;
if (replaced) {
throw new IllegalStateException("Client " + clientId + " already registered");
}
// Send a dummy request because @levlam is too lazy to fix race conditions in a better way
internalClient.send(new TdApi.GetAuthorizationState(), null, null);
}
public String getImplementationName() {

32
src/main/java/it/tdlight/common/ResponseReceiver.java
View File

@ -1,16 +1,15 @@
package it.tdlight.common;
import static it.tdlight.common.InternalClient.clientInitializationLock;
import it.tdlight.common.utils.IntSwapper;
import it.tdlight.jni.TdApi;
import it.tdlight.jni.TdApi.Object;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ConcurrentSkipListSet;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
public class ResponseReceiver extends Thread implements AutoCloseable {
@ -33,7 +32,7 @@ public class ResponseReceiver extends Thread implements AutoCloseable {
private final TdApi.Object[] events = new TdApi.Object[MAX_EVENTS];
private final CountDownLatch closeWait = new CountDownLatch(1);
private AtomicInteger registeredClients = new AtomicInteger(0);
private final Set<Integer> registeredClients = new ConcurrentSkipListSet<>();
private volatile boolean closeRequested = false;
@ -46,24 +45,19 @@ public class ResponseReceiver extends Thread implements AutoCloseable {
this.start();
}
@SuppressWarnings({"UnnecessaryLocalVariable", "InfiniteLoopStatement"})
@SuppressWarnings({"UnnecessaryLocalVariable"})
@Override
public void run() {
int[] sortIndex;
try {
while(!closeRequested || registeredClients.get() > 0) {
while(!closeRequested || !registeredClients.isEmpty()) {
int resultsCount;
clientInitializationLock.readLock().lock();
try {
resultsCount = NativeClientAccess.receive(clientIds, eventIds, events, 2.0 /*seconds*/);
} finally {
clientInitializationLock.readLock().unlock();
}
resultsCount = NativeClientAccess.receive(clientIds, eventIds, events, 2.0 /*seconds*/);
if (resultsCount <= 0)
continue;
int closedClients = 0;
Set<Integer> closedClients = new HashSet<>();
if (USE_OPTIMIZED_DISPATCHER) {
// Generate a list of indices sorted by client id, from 0 to resultsCount
@ -87,7 +81,7 @@ public class ResponseReceiver extends Thread implements AutoCloseable {
TdApi.AuthorizationState authorizationState = ((TdApi.UpdateAuthorizationState) clientEvents[j]).authorizationState;
if (authorizationState instanceof TdApi.AuthorizationStateClosed) {
lastClientClosed = true;
closedClients++;
closedClients.add(clientId);
}
}
}
@ -139,7 +133,7 @@ public class ResponseReceiver extends Thread implements AutoCloseable {
TdApi.AuthorizationState authorizationState = ((TdApi.UpdateAuthorizationState) e.event).authorizationState;
if (authorizationState instanceof TdApi.AuthorizationStateClosed) {
closed = true;
closedClients++;
closedClients.add(clientId);
}
}
}
@ -151,8 +145,8 @@ public class ResponseReceiver extends Thread implements AutoCloseable {
Arrays.fill(eventIds, 0);
Arrays.fill(events, null);
if (closedClients > 0) {
this.registeredClients.addAndGet(-closedClients);
if (!closedClients.isEmpty()) {
this.registeredClients.addAll(closedClients);
}
}
} finally {
@ -169,8 +163,8 @@ public class ResponseReceiver extends Thread implements AutoCloseable {
return sortedIndices;
}
public void registerClient() {
registeredClients.incrementAndGet();
public void registerClient(int clientId) {
registeredClients.add(clientId);
}
@Override