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baichangda · Aug 2, 2024 · 22e431d · 22e431d
1 parent 258ea6b
commit 22e431d
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Showing 4 changed files with 18 additions and 2 deletions.
diff --git a/parser-base/src/main/java/cn/bcd/parser/base/Parser.java b/parser-base/src/main/java/cn/bcd/parser/base/Parser.java
@@ -10,6 +10,7 @@
 import cn.bcd.parser.base.util.BitBuf_writer_log;
 import cn.bcd.parser.base.util.LogUtil;
 import cn.bcd.parser.base.util.ParseUtil;
+import io.netty.buffer.AbstractByteBuf;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufUtil;
 import javassist.*;
@@ -66,7 +67,6 @@
  * {@link ParseUtil#needLog(BuilderContext)}
  */
 public class Parser {
-
     private final static Logger logger = LoggerFactory.getLogger(Parser.class);
 
     public final static Map<Class<? extends Annotation>, FieldBuilder> anno_fieldBuilder;
@@ -93,6 +93,18 @@ public class Parser {
      */
     private static boolean printBuildLog = false;
 
+    /**
+     *  禁用ByteBuf检查
+     *  这样做会使性能提高10%~20%
+     *  原因是在读取{@link ByteBuf}时候会进行如下两个检查
+     *  {@link AbstractByteBuf#checkAccessible} 可访问检查
+     *  {@link AbstractByteBuf#checkBounds} 边界检查
+     */
+    public static void disableByteBufCheck() {
+        System.setProperty("io.netty.buffer.checkBounds", "false");
+        System.setProperty("io.netty.buffer.checkAccessible", "false");
+    }
+
     public static void withDefaultLogCollector_parse() {
         logCollector_parse = new LogCollector_parse() {
             /**
@@ -180,6 +192,7 @@ public void collect_class(Class<?> clazz, int type, Object... args) {
                     }
                 }
             }
+
             @Override
             public void collect_field(Class<?> clazz, String fieldName, int type, Object... args) {
                 try {

diff --git a/parser-protocol-gb32960/src/test/java/cn/bcd/parser/protocol/gb32960/ParserTest.java b/parser-protocol-gb32960/src/test/java/cn/bcd/parser/protocol/gb32960/ParserTest.java
@@ -40,6 +40,7 @@ public void test() {
 
     @Test
     public void test_performance() {
+        Parser.disableByteBufCheck();
         Parser.enablePrintBuildLog();
         Parser.enableGenerateClassFile();
         String data = "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";

diff --git a/parser-protocol-immotors/src/test/java/cn/bcd/parser/protocol/immotors/ParserTest.java b/parser-protocol-immotors/src/test/java/cn/bcd/parser/protocol/immotors/ParserTest.java
@@ -35,7 +35,8 @@ public void test() {
 
     @Test
     public void test_performance() {
-//        Parser.enablePrintBuildLog();
+        Parser.disableByteBufCheck();
+        Parser.enablePrintBuildLog();
         Parser.enableGenerateClassFile();
 //        Parser.withDefaultLogCollector_parse();
 //        Parser.withDefaultLogCollector_deParse();

diff --git a/parser-protocol-jtt808/src/test/java/cn/bcd/parser/protocol/jtt808/ParserTest.java b/parser-protocol-jtt808/src/test/java/cn/bcd/parser/protocol/jtt808/ParserTest.java
@@ -38,6 +38,7 @@ public void test() {
 
     @Test
     public void test_performance() {
+        Parser.disableByteBufCheck();
         Parser.enablePrintBuildLog();
         Parser.enableGenerateClassFile();
         String data = "7e0200407c0100000000017299841738ffff000004000000080006eeb6ad02633df701380003006320070719235901040000000b02020016030200210402002c051e3737370000000000000000000000000000000000000000000000000000001105420000004212064d0000004d4d1307000000580058582504000000632a02000a2b040000001430011e310128637e";