使用nginx post_action参数来统计文件下载情况，从而统计用户下载文件完整性

counting_nginx.py

#!/usr/bin/python
#-*- coding:utf-8 -*-
############################
#File Name: counting_file.py
#Author: orangleliu
#Mail: [email protected]
#Created Time: 2015-03-11 16:41:05
#License: MIT
############################
'''
nginx统计用户下载文件字节 nginx配置文件
location / {
    limit_rate 20k;
    post_action @afterdownload;
}

location @afterdownload {
    proxy_pass http://127.0.0.1:8888/counting?FileName=$uri&ClientIP=$remote_addr&body_bytes_sent=$body_bytes_sent&status=$request_completion;
    internal;
}

'''

from flask import Flask, request
app = Flask(__name__)

@app.route("/counting")
def counting():
    req = request.args.get("FileName")
    clientip = request.args.get("ClientIP")
    size = request.args.get("body_bytes_sent")
    status = request.args.get("status")
    print "request  ", req
    print "ip  ", clientip
    print "size  ", size
    print "status  ", status
    return "ok"

if __name__ == "__main__":
    app.run(port=8888, debug=True)