https://github.com/play175/exbuffer.c

纯C写的TCP中的粘包、分包问题的解决方案
https://github.com/play175/exbuffer.c

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纯C写的TCP中的粘包、分包问题的解决方案

• Host: GitHub
• URL: https://github.com/play175/exbuffer.c
• Owner: play175
• Created: 2013-02-04T11:02:23.000Z (almost 12 years ago)
• Default Branch: master
• Last Pushed: 2015-09-19T05:51:39.000Z (over 9 years ago)
• Last Synced: 2023-03-22T23:06:52.602Z (almost 2 years ago)
• Language: C
• Homepage:
• Size: 215 KB
• Stars: 15
• Watchers: 2
• Forks: 6
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
exbuffer.c

==========

设计目标是一个纯C的网络协议缓冲器，该协议简单介绍：

协议包分为包头和包体：包长采用2个字节或者4个字节，用来表示本次数据包中包体的长度

接受到数据就存储在缓冲区，缓冲区动态扩展以保证可以足够存储。

当接收到一个以上完整的数据包就调用回调函数recvHandle。

```c

#include "exbuffer.h"

void recvHandle(unsigned char *rbuf,size_t len)

{

	printf("收到数据:%d\n",len);

	exbuffer_printHex(rbuf,len);

}

int main(int argc, char **argv)

{

	exbuffer_t* value;

	value = exbuffer_new();

	//value->headLen = 2;//设置包头长度，默认是2（2、4分别对应short和int，可表示65535/以及2~32次方长度的数据）

	value->recvHandle = recvHandle;

	//test ntohl

	//printf("%d\n",ntohl(1,EXBUFFER_LITTLE_ENDIAN));

	unsigned char buf[] = {0,2,3,4,0,1,5,0};

	exbuffer_put(value,(unsigned char*)buf,0,8);

	unsigned char buf2[] = {3};

	exbuffer_put(value,(unsigned char*)buf2,0,1);

	unsigned char buf3[] = {6,6,6};

	exbuffer_put(value,(unsigned char*)buf3,0,3);

	//printf("有效数据长度:%d\n",exbuffer_getLen(value));

	//printf("缓冲区长度:%d\n",value->bufferlen);

	printf("缓冲区:\n");

	exbuffer_dump(value,value->bufferlen);

	exbuffer_free(&value);

	//system("pause");

	//getchar();

	return EXIT_SUCCESS;

}

```

nodejs版本的exbuffer：https://github.com/play175/ExBuffer

对C不熟悉，第一次写C代码，可能很多不合理的地方，欢迎批评指正！

我的博客：http://yoyo.play175.com/