단일 프로세스 단일 스레드 비막힘 방식 구현 http 서버

2449 단어 python_http
#!/usr/bin/python3.5
# -*- coding: utf-8 -*-
# @Time    : 18-7-2  6:53
# @Author  : "Fengwr"
# @email   : [email protected]
# @File    : http_ _ _ .py
# @Software: PyCharm

import socket
import re

def http_sever(new_socket, recv_data):
    recv_data_list = recv_data.splitlines()
    ret = re.match(r"[^/]+(/[^ ]*)",recv_data_list[0])

    file_name = ""
    if ret:
        file_name = ret.group(1)
        if file_name == "/":
            file_name = "/index.html"

    http_header = ""
    http_body = ""

    try:
        f = open("./html" + file_name, "rb")
    except:
        http_body = "

Sorry not found

".encode("utf-8") http_header = "HTTP/1.1 404 NOT FOUND\r
" http_header += "Content-Length:%d\r
\r
" % len(http_body) else: http_body = f.read() f.close() http_header = "HTTP/1.1 200 OK\r
" http_header += "Content-Length:%d\r
\r
" % len(http_body) new_socket.send(http_header.encode("utf-8")) new_socket.send(http_body) def main(): tcp_sever_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) tcp_sever_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1) tcp_sever_socket.bind(("",7890)) tcp_sever_socket.listen(128) # tcp_sever_socket.setblocking(False) client_lists = list() while True: try: new_socket, new_add = tcp_sever_socket.accept() except Exception as ret: pass else: # new_socket.setblocking(False) client_lists.append(new_socket) for client_socket in client_lists: try: # recv_data = client_socket.recv(1024).decode("utf-8") except Exception as f: # pass else: # ,1, ,2 if recv_data: http_sever(client_socket, recv_data) else: client_socket.close() client_lists.remove(client_socket) tcp_sever_socket.close() if __name__ == '__main__': main()

새로운 지식점: socket.setbloking(False)#소켓을 막히지 않는 방식으로 설정합니다.Content-Length:%d%len(http_body)#클라이언트가 보낼 바디 내용의 길이를 알려주고 긴 링크를 보냅니다.

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