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Halt chunk systems before saving chunks for all worlds

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This is to ensure that chunks are not progressing in other worlds
while saving
This commit is contained in:
Spottedleaf 2023-03-05 12:51:23 -08:00
parent 43d0469e36
commit e6d60da06f
1 changed files with 26 additions and 10 deletions
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36
patches/server/0004-Threaded-Regions.patch
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@ -3773,10 +3773,10 @@ index 0000000000000000000000000000000000000000..d9687722e02dfd4088c7030abbf5008e
+}
diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionShutdownThread.java b/src/main/java/io/papermc/paper/threadedregions/RegionShutdownThread.java
new file mode 100644
index 0000000000000000000000000000000000000000..cd97607d188b8c0cf44af2185b345bf4c5c578bd
index 0000000000000000000000000000000000000000..55c6387b6507b6495958ab4cbdceee386ac9cfca
--- /dev/null
+++ b/src/main/java/io/papermc/paper/threadedregions/RegionShutdownThread.java
@@ -0,0 +1,157 @@
@@ -0,0 +1,173 @@
+package io.papermc.paper.threadedregions;
+
+import com.mojang.logging.LogUtils;
@ -3871,12 +3871,12 @@ index 0000000000000000000000000000000000000000..cd97607d188b8c0cf44af2185b345bf4
+ }
+
+ private void saveRegionChunks(final ThreadedRegioniser.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region,
+ final boolean first, final boolean last) {
+ final boolean last) {
+ final ChunkPos center = region.getCenterChunk();
+ LOGGER.info("Saving chunks around region around chunk " + center + " in world '" + region.regioniser.world.getWorld().getName() + "'");
+ try {
+ this.shuttingDown = region;
+ region.regioniser.world.chunkTaskScheduler.chunkHolderManager.close(true, true, first, last, false);
+ region.regioniser.world.chunkTaskScheduler.chunkHolderManager.close(true, true, false, last, false);
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to save chunks for region around chunk " + center + " in world '" + region.regioniser.world.getWorld().getName() + "'", thr);
+ } finally {
@ -3884,6 +3884,14 @@ index 0000000000000000000000000000000000000000..cd97607d188b8c0cf44af2185b345bf4
+ }
+ }
+
+ private void haltChunkSystem(final ServerLevel world) {
+ try {
+ world.chunkTaskScheduler.chunkHolderManager.close(false, true, true, false, false);
+ } catch (final Throwable thr) {
+ LOGGER.error("Failed to halt chunk system for world '" + world.getWorld().getName() + "'", thr);
+ }
+ }
+
+ private void haltWorldNoRegions(final ServerLevel world) {
+ try {
+ world.chunkTaskScheduler.chunkHolderManager.close(true, true, true, true, false);
@ -3903,6 +3911,19 @@ index 0000000000000000000000000000000000000000..cd97607d188b8c0cf44af2185b345bf4
+ }
+
+ MinecraftServer.getServer().stopServer(); // stop part 1: most logic, kicking players, plugins, etc
+ // halt all chunk systems first so that any in-progress chunk generation stops
+ LOGGER.info("Halting chunk systems");
+ for (final ServerLevel world : MinecraftServer.getServer().getAllLevels()) {
+ try {
+ world.chunkTaskScheduler.halt(false, 0L);
+ } catch (final Throwable throwable) {
+ LOGGER.error("Failed to soft halt chunk system for world '" + world.getWorld().getName() + "'", throwable);
+ }
+ }
+ for (final ServerLevel world : MinecraftServer.getServer().getAllLevels()) {
+ this.haltChunkSystem(world);
+ }
+ LOGGER.info("Halted chunk systems");
+ for (final ServerLevel world : MinecraftServer.getServer().getAllLevels()) {
+ final List<ThreadedRegioniser.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData>>
+ regions = new ArrayList<>();
@ -3915,12 +3936,7 @@ index 0000000000000000000000000000000000000000..cd97607d188b8c0cf44af2185b345bf4
+
+ for (int i = 0, len = regions.size(); i < len; ++i) {
+ final ThreadedRegioniser.ThreadedRegion<TickRegions.TickRegionData, TickRegions.TickRegionSectionData> region = regions.get(i);
+ this.saveRegionChunks(region, i == 0, (i + 1) == len);
+ }
+
+ if (regions.isEmpty()) {
+ // still need to halt the chunk system
+ this.haltWorldNoRegions(world);
+ this.saveRegionChunks(region, (i + 1) == len);
+ }
+
+ this.saveLevelData(world);