socket套接字编程 HTTP协议

 1 from socket import * 
 2 
 3 #创建流式套接字
 4 sockfd = socket(AF_INET,SOCK_STREAM,0)
 5 
 6 #绑定ＩＰ端口
 7 sockfd.bind((‘127.0.0.1‘,8888))
 8 
 9 #设置监听套接字，创建监听队列
10 sockfd.listen(5)
11 
12 while True:
13     print("waiting for connect....")
14     #等待客户端链接
15     connfd,addr = sockfd.accept()
16     print("connect from",addr)
17 
18     while True:
19         #收发消息
20     
21         data = connfd.recv(1024)
22 
23         if not data:
24             break   
25         
26         print(data.decode())
27 
28         #发消息
29         connfd.send(‘来,确认下眼神‘.encode())
30     #关闭套接字
31     connfd.close()
32 
33 sockfd.close()

 1 # 接受的客户端
 2 
 3 
 4 from socket import * 
 5 
 6 #创建套接字
 7 sockfd = socket(AF_INET,SOCK_STREAM)
 8 
 9 #发起连接
10 sockfd.connect((‘127.0.0.1‘,8888))
11 
12 while True:
13     msg = input("发消息>>  ")
14     #发送消息
15     sockfd.send(msg.encode())
16     if not msg:
17         break
18 
19     #接收消息
20     data = sockfd.recv(1024)
21     print(data.decode())
22 
23 # msg = input("Msg>>")
24 # scorfd.send(msg.encode())
25 
26 # data = sockfd.recv(1024)
27 # print(data.decode())
28 
29 #关闭
30 sockfd.close()

 1 from socket import * 
 2 import sys 
 3 from time import ctime 
 4 
 5 
 6 ADDR = (‘127.0.0.1‘,8888)
 7 BUFFERSIZE = 1024
 8 
 9 #创建数据报套接字
10 sockfd = socket(AF_INET,SOCK_DGRAM)
11 #绑定地址
12 sockfd.bind(ADDR)
13 
14 #收发消息
15 while True:
16     data,addr = sockfd.recvfrom(BUFFERSIZE)
17     print(‘recv from %s:%s‘%(addr,data.decode()))
18     sockfd.sendto19     (("[%s] 接收到消息"%ctime()).encode(),addr)
20     
21 sockfd.close()
22 
23 
24 
25 
26 #服务端，　udp
27 from socket import * 
28 
29 HOST = ‘127.0.0.1‘
30 PORT = 9999
31 ADDR = (HOST, PORT)
32 #创建数据报套接字
33 sockfd = socket(AF_INET,SOCK_DGRAM)
34 #绑定地址
35 sockfd.bind(ADDR)
36 #收发消息
37 while True:
38     data,addr = sockfd.recvfrom(1024)
39     print(‘Receive from %s:%s‘ % (addr,data.decode()))
40     # sockfd.sendto(("[%s] 接收到消息"%ctime()).encode(),addr)
41     sockfd.sendto("收到消息".encode(), addr)
42 sockfd.close()

 1 from socket import * 
 2 import sys 
 3 
 4 #从命令行传入ＩＰ和端口
 5 #python3 udp_server.py 172.60.50.42 8888
 6 if len(sys.argv) < 3:
 7     print(‘‘‘
 8            argv is error!!!
 9            input as 
10            python3 udp_server.py 172.60.50.42 4260
11            ‘‘‘)
12 
13 HOST = sys.argv[1]
14 PORT = int(sys.argv[2])
15 ADDR = (HOST,PORT)
16 BUFFERSIZE = 1024
17 
18 #创建数据报套接字
19 sockfd = socket(AF_INET,SOCK_DGRAM)
20 
21 while True:
22     data = input("消息>>")
23     #直接回车退出
24     if not data:
25         break
26     sockfd.sendto(data.encode(),ADDR)
27     data,addr = sockfd.recvfrom(BUFFERSIZE)
28     print(‘从服务器收到：‘,data.decode())
29 sockfd.close()
30 
31 
32 #客户端
33 from socket import * 
34 import sys 
35 
36 #命令行输入服务器地址
37 if len(sys.argv) < 3:
38     print(‘‘‘argv is error !!
39         start as
40         python3 udp_client.py 127.0.0.1 8888
41         ‘‘‘)
42     # raise
43 
44 HOST = sys.argv[1]
45 PORT = int(sys.argv[2])#字符串转int类型
46 ADDR = (HOST,PORT)
47 
48 #创建数据报套接字
49 sockfd = socket(AF_INET, SOCK_DGRAM)
50 
51 while True:
52     data = input("消息:   ")
53     if not data:
54         break
55     sockfd.sendto(data.encode(),ADDR)
56     data,addr = sockfd.recvfrom(1024)
57     print("从服务端收到：　", data.decode())
58 
59 sockfd.close()
60 
61 # $ python3 udp_client.py 127.0.0.1 8888
62 #要加ip名和端口名才能运行

 1 #广播接收端   与udp的
 2 
 3 from socket import *
 4 
 5 HOST = ‘‘
 6 PORT = 8880
 7 
 8 #创建数据报套接字
 9 s = socket(AF_INET,SOCK_DGRAM)#加默认参数0变成流式套接字SOCK_STREAM
10 #固定接收端的端口号
11 s.bind((HOST,PORT))
12 #设置套接字可以接收广播， 有此后变成与udp不同
13 s.setsockopt(SOL_SOCKET,SO_BROADCAST,1)#broadcast
14 #设置套接字保护端口号
15 s.setsockopt(SOL_SOCKET,SO_REUSEADDR,1)#reuseaddr
16 
17 
18 # while True:
19 #     try:
20 #         message,addr = s.recvfrom(1024)
21 #         print("从{}获取信息{}:".\
22 #             format(addr,message.decode()))#decode将“字节流”按照某种规则转换成‘文本‘  str变unicode
23 #         s.sendto(b"I am here",addr)
24 #     except (KeyboardInterrupt,SyntaxError):#从终端ctrl+c的错
25 #         raise
26 #     except Exception as e:
27 #         print(e)
28 
29 # s.close()
30 
31 while True:
32     try:
33         message,addr = s.recvfrom(1024)
34         print("获取信息: {}".35             format(message.decode()))#decode将“字节流”按照某种规则转换成‘文本‘  str变unicode
36         s.sendto(b"I am here",addr)
37     except (KeyboardInterrupt,SyntaxError):#从终端ctrl+c的错
38         raise#raise 引发一个异常
39     except Exception as e:#异常类
40         print(e)
41 
42 s.close()

 1 # 发送端
 2 
 3 from socket import *
 4 from time import sleep 
 5 
 6 #发送广播的地址
 7 #<broadcast>
 8 dest = (‘176.122.14.255‘,8880)#端口号9999一致
 9 #创建数据报套接字
10 s = socket(AF_INET,SOCK_DGRAM)#dgram
11 #设置能够发送广播
12 s.setsockopt(SOL_SOCKET,SO_BROADCAST,1)#broadcast
13 
14 while True:
15     sleep(2)
16     s.sendto("什么鬼啊aaaaaa啦啦啦啦啦啦啦".encode(),dest)#目标地址
17     data,addr = s.recvfrom(1024)
18     print("Received from %s:%s"%(addr,data.decode()))
19 s.close()
20 
21 # while True:
22 #     data = input(‘input: ‘)
23 #     s.sendto(("@鸿182："+ data).encode(),dest)
24 # s.close()
25 # 局域网聊天室，同端口号

 1 #静态网页处理器
 2 #采用循环的模式，无法满足客户端长连接
 3 
 4 from socket import *#网络连接端点,导入模块
 5 
 6 #处理客户端请求, 交互
 7 def handleClient(connfd):#请求，调用函数
 8     request = connfd.recv(2048)#请求套接字接受文件
 9     # print(‘**************‘)
10     # print(request)
11     # print(‘**************‘)
12     #按照行切割请求， 方便查看
13     request_lines = request.splitlines()
14     for line in request_lines:
15         print(line.decode())#对分割后的文件解码
16 
17     try:
18         f = open("index.html")
19     except IOError:#找不到页面， 文件出错
20         response = "HTTP/1.1 303 not Found\r\n"#http响应行
21         response += ‘\r\n‘#无响应头， 有空行
22         response += ‘‘‘====sorry ,file not find
23                     *******************************
24                     Sorry bing i love you miss you.
25                     *******************************
26                     ‘‘‘
27     else:#正常情况运行
28         response = "HTTP/1.1 200 OK\r\n"#成功响应头， 响应体是页面
29         response += ‘\r\n‘
30         response += f.read()#响应体是页面
31         # for i in f:
32         #     response += i
33     finally:
34         connfd.send(response.encode())#发送给浏览器
35         connfd.close()
36 
37 #流程控制
38 def main():
39     sockfd = socket()#创建流式套接字
40     sockfd.setsockopt(SOL_SOCKET,SO_REUSEADDR,1)#设置端口重用
41     sockfd.bind((‘0.0.0.0‘,8888))#绑定套接字
42     sockfd.listen(10)#监听套接字
43     while True:#循环监听等待连接
44         print("Listen the port 8000..")
45         connfd,addr = sockfd.accept()#创建另一个套接字连接请求，便于接收一个后再接收，
46         #处理浏览器发来的请求
47         handleClient(connfd)#跟客户顿交互
48         connfd.close()#关闭套接字
49      
50 
51 if __name__ == "__main__":#调用主函数
52     main()
53 
54 
55 # ---------------------------------------------------------------
56 
57 
58 # #接收请求
59 # #查看请求
60 # #返回客户端请求
61 
62 # def handleClient():
63 #     pass
64 
65 
66 # #创建tcp套接字， 调用handleClient完成功能
67 # def main():
68 #     pass
69 
70 # if __name__=="__main__":
71 #     main()

 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>欢迎进入Alan主页</title>
 6 </head>
 7 <body>
 8     <h1>Alan songzihong welcome to you </h1>
 9     <h1>what is you name</h1>
10     <h1>How can i do cna help you </h1>
11 </body>
12 </html>
13 
14 <!-- 没保存会只显示文件名 -->
15 <!-- html:5 + tab -->
16 <!-- h1 + tab -->