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perf[protocol]: 减少自增运算，提高压缩算法写入long的效率

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jaysunxiao
2021-07-30 14:22:17 +08:00
parent ce3aba8366
commit 4eeba6d6d4
1 changed files with 19 additions and 19 deletions
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protocol/src/main/java/com/zfoo/protocol/buffer/ByteBufUtils.java
+19 -19
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@@ -198,47 +198,47 @@ public abstract class ByteBufUtils {
}
byte[] bytes = new byte[9];
int index = 0;
bytes[index++] = (byte) (mask | 0x80);
bytes[index++] = (byte) (mask >>> 7 | 0x80);
bytes[index++] = (byte) (mask >>> 14 | 0x80);
bytes[index++] = (byte) (mask >>> 21 | 0x80);
bytes[0] = (byte) (mask | 0x80);
bytes[1] = (byte) (mask >>> 7 | 0x80);
bytes[2] = (byte) (mask >>> 14 | 0x80);
bytes[3] = (byte) (mask >>> 21 | 0x80);
int a = (int) (mask >>> 28);
int b = (int) (mask >>> 35);
if (b == 0) {
bytes[index++] = (byte) a;
byteBuf.writeBytes(bytes, 0, index);
bytes[4] = (byte) a;
byteBuf.writeBytes(bytes, 0, 5);
return;
}
bytes[index++] = (byte) (a | 0x80);
bytes[4] = (byte) (a | 0x80);
a = (int) (mask >>> 42);
if (a == 0) {
bytes[index++] = (byte) b;
byteBuf.writeBytes(bytes, 0, index);
bytes[5] = (byte) b;
byteBuf.writeBytes(bytes, 0, 6);
return;
}
bytes[index++] = (byte) (b | 0x80);
bytes[5] = (byte) (b | 0x80);
b = (int) (mask >>> 49);
if (b == 0) {
bytes[index++] = (byte) a;
byteBuf.writeBytes(bytes, 0, index);
bytes[6] = (byte) a;
byteBuf.writeBytes(bytes, 0, 7);
return;
}
bytes[index++] = (byte) (a | 0x80);
bytes[6] = (byte) (a | 0x80);
a = (int) (mask >>> 56);
if (a == 0) {
bytes[index++] = (byte) b;
byteBuf.writeBytes(bytes, 0, index);
bytes[7] = (byte) b;
byteBuf.writeBytes(bytes, 0, 8);
return;
}
bytes[index++] = (byte) (b | 0x80);
bytes[index++] = (byte) a;
byteBuf.writeBytes(bytes, 0, index);
bytes[7] = (byte) (b | 0x80);
bytes[8] = (byte) a;
byteBuf.writeBytes(bytes, 0, 9);
}