TCP服务端编程

#复习一下Tcp 服务端
socket=socket.socket ()
#新建socket
socket.bind()
#绑定端口号
socket.listen()
#监听
cli_socket=socket .accept()
#接受客户端连接
while True:
	#进程的方式实现并发。
	p=Process(target=fun,args=())
	#实现fun函数
	p=start()
	#开进程
	cli_socket.close()
	#关闭进程	
def fun(cli_socket):
	request_data=recv()	
	#接受请求数据报	
	HTML_ROOT_DIR='./html'
	#创建跟路径
	path='/index.html'
	#解析请求数据报，提取请求方式，提取请求路径
	try:
		file = open(HTML_ROOT_DIR+path)
		data=file.read()
		file.close()
	'''
	HTTP1.1 200 OK \r\n
	\r\n
	hello
	'''
		send()
		#发送响应数据
		close()
		#关闭连接
	except IOError:
	'''
	HTTP1.1 404 NOt Found\r\n
	\r\n
	not found
	'''

# -*- coding: utf-8 -*-
#静态的web服务器
import socket
from multiprocessing import Process
HTML_ROOT_DIR = ""
def handle_client(client_socket):
    """处理客户端请求"""
    # 获取客户端请求数据
    request_data = client_socket.recv(1024)
    print("request data:", request_data)
    # 构造响应数据
    response_start_line = "HTTP/1.1 200 OK\r\n"
    response_headers = "Server: My server\r\n"
    response_body = "hello itcast"
    response = response_start_line + response_headers + "\r\n" + response_body
    print("response data:", response)
    # 向客户端返回响应数据
    client_socket.send(bytes(response, "utf-8"))
    # 关闭客户端连接
    client_socket.close()
if __name__ == "__main__":
    server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server_socket.bind(("", 8000))#绑定一个地址
    server_socket.listen(128)#监听
    while True:
        client_socket, client_address = server_socket.accept()#客户端进行连接时候，这个进行了接受
        # print("[%s, %s]用户连接上了" % (client_address[0],client_address[1]))
        print("[%s, %s]用户连接上了" % client_address)
        handle_client_process = Process(target=handle_client, args=(client_socket,))
        handle_client_process.start()
        client_socket.close()

#!/usr/bin/python
# -*- coding: UTF-8 -*-
# 文件名：server.py

import socket # 导入 socket 模块
s = socket.socket() # 创建 socket 对象
host = socket.gethostname() # 获取本地主机名
port = 8081 # 设置端口
s.bind((host, port)) # 绑定端口
s.listen(5) # 等待客户端连接
while True:
    c, addr = s.accept() # 建立客户端连接
    print ('连接地址：', addr)
    c.send('与服务器连接成功！')
    c.close() # 关闭连接

#!/usr/bin/python
# -*- coding: UTF-8 -*-
# 文件名：client.py

import socket # 导入 socket 模块
s = socket.socket() # 创建 socket 对象
host = socket.gethostname() # 获取本地主机名
port = 8081 # 设置端口号
s.connect((host, port))
print (s.recv(1024))
s.close()