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web(五)---spawn-fastcgi

一. spawn_fastcgi的安装、部署与配置.

    1. 下载spawn_fastcgi.
    https://github.com/lighttpd/spawn-fcgi 
      这里使用的是1.6.3的版本 https://github.com/lighttpd/spawn-fcgi/releases/tag/v1.6.3
    
    2. 解压并安装(请记得看README).
     (1) 如果没有configure,请先执行./autogen.sh,生成configure
       (2) ./configure
       (3) make
 
注意: 如果通过上面安装不成功, 试试直接  sudo apt-get install spawn_fastcgi
 
    3. 编译好以后,将可执行文件移动到nginx的sbin目录下.
       cp ./src/spawn-fcgi /usr/local/nginx/sbin/ (cp到nginx的安装目录下)
 
注意: 1. 第3步, 如果拷贝过程中提示找不到./src/spawn-fcgi,  则用which spawn-fcgi找到该二进制拷贝;
        2. 第3步, 如果拷贝过程中提示找不到/usr/local/nginx/sbin/, 则手动创建目录.
 
二. fastcgi库的安装.
 1. 下载 http://www.fastcgi.com/dist/fcgi.tar.gz(从这下载的可能有问题, 最好用本文给出的.)
      
   2.  $./configure
        $make
        $make install
 
注意: 1. 安装过程中如果出现如下错误,  则在fcgio.cpp中添加头文件 #include <stdio.h>, 重新编译即可.
           参考http://stackoverflow.com/questions/8833718/installing-fastcgi-dev-kit
        2. 如果make通过, 但是make install有错, 尝试用本文给的文件, 不用步骤1链接中的.

fcgio.cpp: In destructor ‘virtual fcgi_streambuf::~fcgi_streambuf()‘:
fcgio.cpp:50:14: error: ‘EOF‘ was not declared in this scope
fcgio.cpp: In member function ‘virtual int fcgi_streambuf::overflow(int)‘:
fcgio.cpp:70:72: error: ‘EOF‘ was not declared in this scope
fcgio.cpp:75:14: error: ‘EOF‘ was not declared in this scope
fcgio.cpp: In member function ‘virtual int fcgi_streambuf::sync()‘:
fcgio.cpp:86:18: error: ‘EOF‘ was not declared in this scope
fcgio.cpp:87:41: error: ‘EOF‘ was not declared in this scope
fcgio.cpp: In member function ‘virtual int fcgi_streambuf::underflow()‘:
fcgio.cpp:113:35: error: ‘EOF‘ was not declared in this scope
make[2]: *** [fcgio.lo] Error 1
make[2]: Leaving directory `/home/lucasysfeng/workspace/web/download/nginx_spawn_fcgi_install_package/fcgi-2.4.1-SNAP-0311112127/libfcgi‘
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/lucasysfeng/workspace/web/download/nginx_spawn_fcgi_install_package/fcgi-2.4.1-SNAP-0311112127‘
make: *** [all] Error 2

 
三. Demo程序.
 
    1. demo.cc如下所示:
#include <fcgi_stdio.h>#include <stdlib.h>#include <unistd.h>int main() {    int count = 0;    while (FCGI_Accept() >= 0) {        printf("Content-type: text/html\r\n"                "\r\n"                ""                "FastCGI Hello!"                "Request number %d running on host%s "                "Process ID: %d\n", ++count, getenv("SERVER_NAME"), getpid());    }    return 0;}

  2. 编译.

       g++ demo.cc -o demo  -lfcgi?  

注意:
1. 如果编译不通过, 可能是库-lfcgi? 没找到, 那就是<二. fastcgi库的安装.>有问题
 
2. 直接运行可执行文件,看看能否正常运行。如果出现缺少库libfcgi.so.0,
    则自己需要手动把/usr/local/lib/libfcgi.so.0库建立一个链接到/usr/lib/目录下:
       ln -s /usr/local/libfcgi.so.0 /usr/lib/(或者把so的库路径添加到/etc/ld.so.conf,并执行ldconfig更新一下
 
四. demo发布.
  1)将CGI可执行程序移动到nginx的安装目录下 /usr/local/nginx/cgibin (文件夹不存在则自己创建) 
         cp ***/demo  /usr/local/nginx/cgibin
    
    2)启动spawn-fcgi管理进程,并绑定server IP和端口(不要跟nginx的监听端口重合
       /usr/local/nginx/sbin/spawn-fcgi -a 127.0.0.1 -p 8088 -f /usr/local/nginx/cgibin/demo
    
      查看一下8088端口是否已成功:netstat -na | grep 8088
?   
    3)更改nginx.conf配置文件(或者是/etc/nginx/sites-available/default),让nginx转发请求
    
    在http节点的子节点-"server节"点中下添加配置
    location ~ \.cgi$ {
        fastcgi_pass 127.0.0.1:8088;
        fastcgi_index index.cgi;
        fastcgi_param SCRIPT_FILENAME fcgi$fastcgi_script_name;

        include fastcgi_params;
    }
 
    4)重启nginx或者重新加载配置文件
    sudo service nginx restart
 
    5)打开浏览器访问一下吧
    http://localhost/demo.cgi

web(五)---spawn-fastcgi