49 lines
1.5 KiB
Java
49 lines
1.5 KiB
Java
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package com.zdjizhi;
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import org.junit.Test;
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/**
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* @author qidaijie
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* @Package com.zdjizhi
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* @Description:
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* @date 2023/4/1810:22
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*/
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public class FlagsTest {
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/*
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* 参考资料：https://juejin.cn/post/6879226834597691405
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*
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* 会话标记(实际存储为64位无符号整数），32-bit Field标识会话的网络行为，日志记录值和如下值通过Bitwise AND(&)操作进行查询和转换：
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* 0x00000001 - (1) Asymmetric
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* 0x00000002 - (2) Bulky
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* 0x00000004 - (4) CBR Streaming
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* 0x00000008 - (8) Client is Local
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* 0x00000010 - (16) Server is Local
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* 0x00000020 - (32) Download
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* 0x00000040 - (64) Interactive
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* 0x00000080 - (128) Inbound
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* 0x00000100 - (256) Outbound
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* 0x00000200 - (512) Pseudo Unidirectional
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* 0x00000400 - (1024) Streaming
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* 0x00000800 - (2048) Unidirectional
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* 0x00001000 - (4096) Random looking
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* 0x00002000 - (8192) C2S
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* 0x00004000 - (16384) S2C
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*/
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@Test
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public void bitwiseAND() {
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Long common_flags = 8200L;
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Long clientIsLocal = 8L;
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Long serverIsLocal = 16L;
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System.out.println("common_flags & clientIsLocal = " + (common_flags & clientIsLocal));
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System.out.println("common_flags & serverIsLocal = " + (common_flags & serverIsLocal)+"\n\n");
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common_flags = 16400L;
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System.out.println("common_flags & clientIsLocal = " + (common_flags & clientIsLocal));
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System.out.println("common_flags & serverIsLocal = " + (common_flags & serverIsLocal));
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}
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}
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