#~~~~~~rewrite~~
location / {
if (!-e $request_filename) {
rewrite ^/(.+\.(html|xml|json|htm|php|jsp|asp|shtml))$ /index.php?$1 last;
}
}
#~~~~~~~end rewrite~~~

ulimit -SHn 65535
wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.00.tar.gz
tar zxvf pcre-8.00.tar.gz
cd pcre-8.00/
./configure
make && make install
cd ../

wget http://labs.frickle.com/files/ngx_cache_purge-1.0.tar.gz
tar zxvf ngx_cache_purge-1.0.tar.gz

wget http://nginx.org/download/nginx-0.8.32.tar.gz
tar zxvf nginx-0.8.32.tar.gz
cd nginx-0.8.32/
./configure --user=www --group=www --add-module=../ngx_cache_purge-1.0 --prefix=/usr/local/webserver/nginx --with-http_stub_status_module --with-http_ssl_module
make && make install
cd ../

user  www www;

worker_processes 8;

error_log  /usr/local/webserver/nginx/logs/nginx_error.log  crit;

pid        /usr/local/webserver/nginx/nginx.pid;

#Specifies the value for maximum file descriptors that can be opened by this process.
worker_rlimit_nofile 65535;

events
{
  use epoll;
  worker_connections 65535;
}

http
{
  include       mime.types;
  default_type  application/octet-stream;

  charset  utf-8;
      
  server_names_hash_bucket_size 128;
  client_header_buffer_size 32k;
  large_client_header_buffers 4 32k;
  client_max_body_size 300m;
      
  sendfile on;
  tcp_nopush     on;

  keepalive_timeout 60;

  tcp_nodelay on;

  client_body_buffer_size  512k;
  proxy_connect_timeout    5;
  proxy_read_timeout       60;
  proxy_send_timeout       5;
  proxy_buffer_size        16k;
  proxy_buffers            4 64k;
  proxy_busy_buffers_size 128k;
  proxy_temp_file_write_size 128k;

  gzip on;
  gzip_min_length  1k;
  gzip_buffers     4 16k;
  gzip_http_version 1.1;
  gzip_comp_level 2;
  gzip_types       text/plain application/x-javascript text/css application/xml;
  gzip_vary on;

  #注：proxy_temp_path和proxy_cache_path指定的路径必须在同一分区
  proxy_temp_path   /data0/proxy_temp_dir;
  #设置Web缓存区名称为cache_one，内存缓存空间大小为200MB，1天清理一次缓存，硬盘缓存空间大小为30GB。
  proxy_cache_path  /data0/proxy_cache_dir  levels=1:2   keys_zone=cache_one:200m inactive=1d max_size=30g;
  
  upstream backend_server {
    server   192.168.8.43:80 weight=1 max_fails=2 fail_timeout=30s;
    server   192.168.8.44:80 weight=1 max_fails=2 fail_timeout=30s;
    server   192.168.8.45:80 weight=1 max_fails=2 fail_timeout=30s;
  }

  server
  {
    listen       80;
    server_name  www.yourdomain.com 192.168.8.42;
    index index.html index.htm;
    root  /data0/htdocs/www;  

    location /
    {
         #如果后端的服务器返回502、504、执行超时等错误，自动将请求转发到upstream负载均衡池中的另一台服务器，实现故障转移。
         proxy_next_upstream http_502 http_504 error timeout invalid_header;
         proxy_cache cache_one;
         #对不同的HTTP状态码设置不同的缓存时间
         proxy_cache_valid  200 304 12h;
         #以域名、URI、参数组合成Web缓存的Key值，Nginx根据Key值哈希，存储缓存内容到二级缓存目录内
         proxy_cache_key $host$uri$is_args$args;
         proxy_set_header Host  $host;
         proxy_set_header X-Forwarded-For  $remote_addr;
         proxy_pass http://backend_server;
         expires      1d;
    }
    
    #用于清除缓存，假设一个URL为http://192.168.8.42/test.txt，通过访问http://192.168.8.42/purge/test.txt就可以清除该URL的缓存。
    location ~ /purge(/.*)
    {
     #设置只允许指定的IP或IP段才可以清除URL缓存。
     allow            127.0.0.1;
     allow            192.168.0.0/16;
     deny            all;
     proxy_cache_purge    cache_one   $host$1$is_args$args;
    }    

    #扩展名以.php、.jsp、.cgi结尾的动态应用程序不缓存。
    location ~ .*\.(php|jsp|cgi)?$
    {
         proxy_set_header Host  $host;
         proxy_set_header X-Forwarded-For  $remote_addr;
         proxy_pass http://backend_server;
    }

    access_log  off;
  }
}

if (!-e $request_filename)
{
rewrite "^/index\.html"    /index.php last;
rewrite "^/category$"      /index.php last;

rewrite "^/feed-c([0-9]+)\.xml$"       /feed.php?cat=$1 last;
rewrite "^/feed-b([0-9]+)\.xml$"       /feed.php?brand=$1 last;
rewrite "^/feed\.xml$"                 /feed.php last;

rewrite "^/category-([0-9]+)-b([0-9]+)-min([0-9]+)-max([0-9]+)-attr([^-]*)-([0-9]+)-(.+)-([a-zA-Z]+)(.*)\.html$"  /category.php?id=$1&brand=$2&price_min=$3&price_max=$4&filter_attr=$5&page=$6&sort=$7&order=$8 last;
rewrite "^/category-([0-9]+)-b([0-9]+)-min([0-9]+)-max([0-9]+)-attr([^-]*)(.*)\.html$" /category.php?id=$1&brand=$2&price_min=$3&price_max=$4&filter_attr=$5 last;
rewrite "^/category-([0-9]+)-b([0-9]+)-([0-9]+)-(.+)-([a-zA-Z]+)(.*)\.html$" /category.php?id=$1&brand=$2&page=$3&sort=$4&order=$5 last;
rewrite "^/category-([0-9]+)-b([0-9]+)-([0-9]+)(.*)\.html$" /category.php?id=$1&brand=$2&page=$3  last;
rewrite "^/category-([0-9]+)-b([0-9]+)(.*)\.html$" /category.php?id=$1&brand=$2  last;
rewrite "^/category-([0-9]+)(.*)\.html$"    /category.php?id=$1  last;

rewrite "^/goods-([0-9]+)(.*)\.html"  /goods.php?id=$1 last;

rewrite "^/article_cat-([0-9]+)-([0-9]+)-(.+)-([a-zA-Z]+)(.*)\.html$"  /article_cat.php?id=$1&page=$2&sort=$3&order=$4  last;
rewrite "^/article_cat-([0-9]+)-([0-9]+)(.*)\.html$"                   /article_cat.php?id=$1&page=$2  last;
rewrite "^/article_cat-([0-9]+)(.*)\.html$"                            /article_cat.php?id=$1   last;

rewrite "^/article-([0-9]+)(.*)\.html$"                         /article.php?id=$1  last;

rewrite "^/brand-([0-9]+)-c([0-9]+)-([0-9]+)-(.+)-([a-zA-Z]+)\.html"   /brand.php?id=$1&cat=$2&page=$3&sort=$4&order=$5 last;
rewrite "^/brand-([0-9]+)-c([0-9]+)-([0-9]+)(.*)\.html"                /brand.php?id=$1&cat=$2&page=$3 last;
rewrite "^/brand-([0-9]+)-c([0-9]+)(.*)\.html"                         /brand.php?id=$1&cat=$2 last;
rewrite "^/brand-([0-9]+)(.*)\.html"                                   /brand.php?id=$1 last;

rewrite "^/tag-(.*)\.html"                                             /search.php?keywords=$1 last;
rewrite "^/snatch-([0-9]+)\.html$"                                     /snatch.php?id=$1 last;
rewrite "^/group_buy-([0-9]+)\.html$"                                  /group_buy.php?act=view&id=$1 last;
rewrite "^/auction-([0-9]+)\.html$"                                    /auction.php?act=view&id=$1 last;

rewrite "^/exchange-id([0-9]+)(.*)\.html$"                             /exchange.php?id=$1&act=view last;
rewrite "^/exchange-([0-9]+)-min([0-9]+)-max([0-9]+)-([0-9]+)-(.+)-([a-zA-Z]+)(.*)\.html$" /exchange.php?cat_id=$1&integral_min=$2&integral_max=$3&page=$4&sort=$5&order=$6 last;
rewrite ^/exchange-([0-9]+)-([0-9]+)-(.+)-([a-zA-Z]+)(.*)\.html$"   /exchange.php?cat_id=$1&page=$2&sort=$3&order=$4 last;
rewrite "^/exchange-([0-9]+)-([0-9]+)(.*)\.html$"                   /exchange.php?cat_id=$1&page=$2 last;
rewrite "^/exchange-([0-9]+)(.*)\.html$"                            /exchange.php?cat_id=$1 last;
}