#!/usr/bin/env python
# -*- coding:utf-8 -*-
import socket
from exts import Request
from route import response_for_request
from datetime import datetime
def run_server(host='', port=1207):
  # 建立一個(gè)socket.socket()類s
  with socket.socket() as s:
    # 設(shè)置s在服務(wù)端關(guān)閉后馬上釋放端口，避免Address already in use錯(cuò)誤
    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    # 綁定host和port
    s.bind((host, port))
    while 1:
      # 開(kāi)始監(jiān)聽(tīng)傳入連接，可以掛起的最大連接數(shù)為5
      s.listen(5)
      # 接受連接，根據(jù)buffer_size不斷讀取內(nèi)容
      connection, address = s.accept()
      r = ''
      buffer_size = 1024
      while 1:
        data = connection.recv(1024).decode('utf-8')
        r += data
        if len(data) < buffer_size:
          break
      # 防止瀏覽器傳空請(qǐng)求過(guò)來(lái)
      if len(r.split()) < 2:
        continue
      # 最后取得的r是一個(gè)http請(qǐng)求頭字符串，對(duì)其解析，然后使用sendall返回相應(yīng)的內(nèi)容 
      request = Request(r)
      # 每次請(qǐng)求時(shí)打印時(shí)間，請(qǐng)求的方法和路徑
      print(str(datetime.now())[:19], request.method, request.path)
      response = response_for_request(request)
      connection.sendall(response)
      connection.close()
if __name__ == '__main__':
  run_server()