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Webbench是Radim Kolar在1997年写的一个在linux下使用的非常简单的网站压测工具。它使用fork()模拟多个客户端同时访问我们设定的URL,测试网站在压力下工作的性能,最多可以模拟3万个并发连接去测试网站的负载能力。官网地址:http://home.tiscali.cz/~cz210552/webbench.html

License: GNU General Public License v3.0

Makefile 7.53% C 78.52% Roff 13.95%

webbench's Introduction

WebBench

Webbench是一个在linux下使用的非常简单的网站压测工具。它使用fork()模拟多个客户端同时访问我们设定的URL,测试网站在压力下工作的性能,最多可以模拟3万个并发连接去测试网站的负载能力。

依赖

ctags

使用:

sudo make && sudo make install PREFIX=your_path_to_webbench

命令行选项:

短参 长参数 作用
-f --force 不需要等待服务器响应
-r --reload 发送重新加载请求
-t --time 运行多长时间,单位:秒"
-p --proxy server:port 使用代理服务器来发送请求
-c --clients 创建多少个客户端,默认1个"
-9 --http09 使用 HTTP/0.9
-1 --http10 使用 HTTP/1.0 协议
-2 --http11 使用 HTTP/1.1 协议
--get 使用 GET请求方法
--head 使用 HEAD请求方法
--options 使用 OPTIONS请求方法
--trace 使用 TRACE请求方法
-?/-h --help 打印帮助信息
-V --version 显示版本号

webbench's People

Contributors

answerywj avatar ezlippi avatar limingxinleo avatar

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webbench's Issues

mac 下安装报错

➜ WebBench git:(master) sudo make && make install
Password:
cc -Wall -ggdb -W -O -c -o webbench.o webbench.c
webbench.c:77:31: warning: unused parameter 'signal' [-Wunused-parameter]
static void alarm_handler(int signal)
^
1 warning generated.
cc -Wall -ggdb -W -O -o webbench webbench.o
ctags *.c
install -s webbench /usr/local/bin
install -m 644 webbench.1 /usr/local/man/man1
install: /usr/local/man/man1: No such file or directory
make: *** [install] Error 71

实现原理

你好,我看了下代码,原理是不是就是通过fork()多个线程然后向http服务器发送请求,你是如何测试的,自己的服务器吗?

关于http request的请求方法

HTTP1.0定义了三种请求方法: GET, POST 和 HEAD方法。
HTTP1.1新增了五种请求方法:OPTIONS, PUT, DELETE, TRACE 和 CONNECT 方法。
而代码中仅仅提到了get head options trace,剩余的都没有涉及,是有什么特殊原因吗?

Ask about the purpose and meaning of some code

This was the first project I studied, probably because of my limited ability, and I found that some places were not well understood. The following three points are some of my questions. Thank you for your guidance.

(1) Why isn't pid < 3 here? Is there any special meaning for pid being 2?

WebBench/webbench.c

Lines 411 to 416 in b1acf3c

pid=fscanf(f,"%d %d %d",&i,&j,&k);
if(pid<2)
{
fprintf(stderr,"Some of our childrens died.\n");
break;
}

(2) Why does the bench() function return i? Isn't this the speed value that the parent process successfully read the last time? Could I change the program to return 0?

return i;

(3) Add close(sock); is it more rigorous?

WebBench/socket.c

Lines 54 to 55 in b1acf3c

if (connect(sock, (struct sockaddr *)&ad, sizeof(ad)) < 0)
return -1;

centos8 编译报错

[root@k8s-master WebBench]# sudo make && sudo make install PREFIX=your_path_to_webbench
cc -Wall -ggdb -W -O -c -o webbench.o webbench.c
webbench.c:22:10: 致命错误:rpc/types.h:没有那个文件或目录
#include <rpc/types.h>
^~~~~~~~~~~~~
编译中断。
make: *** [<内置>:webbench.o] 错误 1

variable usage

411 pid=fscanf(f,"%d %d %d",&i,&j,&k);

I think need a new variable here. Otherwise, It may hard to understand.

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