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Code Issues Projects Releases Wiki Activity

SPIGOT-2385: RegionFileCache synchronization issues

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This commit is contained in:
md_5 2016-06-12 19:28:27 +10:00
parent 7964365c84
commit 7f1a32252b
2 changed files with 69 additions and 7 deletions
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44
nms-patches/ChunkRegionLoader.patch
View File

@ -1,6 +1,6 @@
--- a/net/minecraft/server/ChunkRegionLoader.java
+++ b/net/minecraft/server/ChunkRegionLoader.java
@@ -29,8 +29,36 @@
@@ -29,25 +29,55 @@
this.e = dataconvertermanager;
}
@ -37,7 +37,21 @@
ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i, j);
NBTTagCompound nbttagcompound = (NBTTagCompound) this.b.get(chunkcoordintpair);
@@ -47,7 +75,7 @@
if (nbttagcompound == null) {
- DataInputStream datainputstream = RegionFileCache.c(this.d, i, j);
+ // CraftBukkit start
+ nbttagcompound = RegionFileCache.c(this.d, i, j);
- if (datainputstream == null) {
+ if (nbttagcompound == null) {
return null;
}
- nbttagcompound = this.e.a((DataConverterType) DataConverterTypes.CHUNK, NBTCompressedStreamTools.a(datainputstream));
+ nbttagcompound = this.e.a((DataConverterType) DataConverterTypes.CHUNK, nbttagcompound);
+ // CraftBukkit end
}
return this.a(world, i, j, nbttagcompound);
}
@ -46,7 +60,7 @@
if (!nbttagcompound.hasKeyOfType("Level", 10)) {
ChunkRegionLoader.a.error("Chunk file at {},{} is missing level data, skipping", new Object[] { Integer.valueOf(i), Integer.valueOf(j)});
return null;
@@ -64,10 +92,28 @@
@@ -64,10 +94,28 @@
ChunkRegionLoader.a.error("Chunk file at {},{} is in the wrong location; relocating. (Expected {}, {}, got {}, {})", new Object[] { Integer.valueOf(i), Integer.valueOf(j), Integer.valueOf(i), Integer.valueOf(j), Integer.valueOf(chunk.locX), Integer.valueOf(chunk.locZ)});
nbttagcompound1.setInt("xPos", i);
nbttagcompound1.setInt("zPos", j);
@ -76,7 +90,23 @@
}
}
}
@@ -326,6 +372,13 @@
@@ -131,10 +179,14 @@
}
private void b(ChunkCoordIntPair chunkcoordintpair, NBTTagCompound nbttagcompound) throws IOException {
- DataOutputStream dataoutputstream = RegionFileCache.d(this.d, chunkcoordintpair.x, chunkcoordintpair.z);
+ // CraftBukkit start
+ RegionFileCache.d(this.d, chunkcoordintpair.x, chunkcoordintpair.z, nbttagcompound);
+ /*
NBTCompressedStreamTools.a(nbttagcompound, (DataOutput) dataoutputstream);
dataoutputstream.close();
+ */
+ // CraftBukkit end
}
public void b(World world, Chunk chunk) throws IOException {}
@@ -326,6 +378,13 @@
chunk.a(nbttagcompound.getByteArray("Biomes"));
}
@ -90,7 +120,7 @@
NBTTagList nbttaglist1 = nbttagcompound.getList("Entities", 10);
if (nbttaglist1 != null) {
@@ -369,7 +422,7 @@
@@ -369,7 +428,7 @@
}
}
@ -99,7 +129,7 @@
}
@Nullable
@@ -397,14 +450,20 @@
@@ -397,14 +456,20 @@
}
@Nullable
@ -121,7 +151,7 @@
return null;
} else {
if (nbttagcompound.hasKeyOfType("Passengers", 9)) {
@@ -433,8 +492,14 @@
@@ -433,8 +498,14 @@
}
}

32
nms-patches/RegionFileCache.patch Normal file
View File

@ -0,0 +1,32 @@
--- a/net/minecraft/server/RegionFileCache.java
+++ b/net/minecraft/server/RegionFileCache.java
@@ -53,15 +53,25 @@
RegionFileCache.a.clear();
}
- public static DataInputStream c(File file, int i, int j) {
+ // CraftBukkit start - call sites hoisted for synchronization
+ public static synchronized NBTTagCompound c(File file, int i, int j) throws IOException {
RegionFile regionfile = a(file, i, j);
- return regionfile.a(i & 31, j & 31);
+ DataInputStream datainputstream = regionfile.a(i & 31, j & 31);
+
+ if (datainputstream == null) {
+ return null;
+ }
+
+ return NBTCompressedStreamTools.a(datainputstream);
}
- public static DataOutputStream d(File file, int i, int j) {
+ public static synchronized void d(File file, int i, int j, NBTTagCompound nbttagcompound) throws IOException {
RegionFile regionfile = a(file, i, j);
- return regionfile.b(i & 31, j & 31);
+ DataOutputStream dataoutputstream = regionfile.b(i & 31, j & 31);
+ NBTCompressedStreamTools.a(nbttagcompound, (java.io.DataOutput) dataoutputstream);
+ dataoutputstream.close();
}
+ // CraftBukkit end
}