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Use a lock + weak map

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This commit is contained in:
TheMode 2021-08-25 17:25:08 +02:00
parent e185bca468
commit 73f125763c
1 changed files with 12 additions and 9 deletions
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21
src/main/java/net/minestom/server/utils/PacketUtils.java
View File

@ -233,7 +233,7 @@ public final class PacketUtils {
}
}
private static final Map<Viewable, ViewableStorage> VIEWABLE_STORAGE_MAP = new ConcurrentHashMap<>();
private static final Map<Viewable, ViewableStorage> VIEWABLE_STORAGE_MAP = new WeakHashMap<>();
private static final class ViewableStorage {
private final Viewable viewable;
@ -257,9 +257,7 @@ public final class PacketUtils {
}
private synchronized void process() {
final Set<Player> viewers = viewable.getViewers();
if (viewers.isEmpty()) return;
for (Player player : viewers) {
for (Player player : viewable.getViewers()) {
PlayerConnection connection = player.getPlayerConnection();
Consumer<ByteBuffer> writer = connection instanceof PlayerSocketConnection
? ((PlayerSocketConnection) connection)::write :
@ -294,6 +292,8 @@ public final class PacketUtils {
}
}
private static final Object VIEWABLE_PACKET_LOCK = new Object();
public static void prepareViewablePacket(@NotNull Viewable viewable, @NotNull ServerPacket serverPacket,
@Nullable Player player) {
if (player != null && !player.isAutoViewable()) {
@ -302,8 +302,10 @@ public final class PacketUtils {
return;
}
final PlayerConnection playerConnection = player != null ? player.getPlayerConnection() : null;
ViewableStorage viewableStorage = VIEWABLE_STORAGE_MAP.computeIfAbsent(viewable, c -> new ViewableStorage(viewable));
viewableStorage.append(playerConnection, serverPacket);
synchronized (VIEWABLE_PACKET_LOCK) {
ViewableStorage viewableStorage = VIEWABLE_STORAGE_MAP.computeIfAbsent(viewable, ViewableStorage::new);
viewableStorage.append(playerConnection, serverPacket);
}
}
public static void prepareViewablePacket(@NotNull Viewable viewable, @NotNull ServerPacket serverPacket) {
@ -311,9 +313,10 @@ public final class PacketUtils {
}
public static void flush() {
// TODO clear map
for (ViewableStorage viewableStorage : VIEWABLE_STORAGE_MAP.values()) {
viewableStorage.process();
synchronized (VIEWABLE_PACKET_LOCK) {
for (ViewableStorage viewableStorage : VIEWABLE_STORAGE_MAP.values()) {
viewableStorage.process();
}
}
}
}