python网络编程(一)-TCP协议(server端和client端) 服务端代码 import socket ip = '127.0.0.1' port = 9000 sk = socket.socket() sk.bind((ip,port)) sk.listen() print('sk:',sk) #sk: <socket.socket fd=468, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=0, laddr=('...
self.client=self.conn_server() self.active=Truedefconn_server(self): client=socket.socket(socket.AF_INET,socket.SOCK_STREAM) client.setsockopt(socket.SOL_SOCKET,socket.SO_KEEPALIVE,True) err=client.connect_ex(self.ip_port)iferr !=0:print("please check sever's ip_port!")returnNone msg= c...
self.tcp_client = socket(AF_INET, SOCK_STREAM) try: print('try to init client {}:{}'.format(self.ip, self.port)) self.tcp_client.connect((self.ip, self.port)) print('client inited!') except Exception as e: self.tcp_client = None print("client init failed, waiting for server!"...
UDP是SOCK_DGRAM6server_address=('127.0.0.1',8888)#定义本TCP服务端的ip and port7tcp_server_socket.bind(server_address)#绑定本机的8888端口8tcp_server_socket.listen()#执行监听9client_socket,client_info=tcp_server_socket.accept()#接收客户端的socker and info10data=client_socket.recv(1024...
importsocket# 创建TCP服务器server_socket=socket.socket(socket.AF_INET,socket.SOCK_STREAM)# 绑定IP地址和端口号server_socket.bind(('127.0.0.1',8000))# 监听端口号server_socket.listen(5)whileTrue:# 接受客户端连接client_socket,client_address=server_socket.accept()# 接收客户端发送的数据data=client_...
client_socket.send(data) client_socket.close() def main(): # 创建TCP套接字 server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server_socket.bind(('localhost', 8888)) server_socket.listen(5) while True: # 接受客户端的连接请求 client_socket, addr = server_socket.accept()...
server_address = ‘localhost’ # 服务器地址 port = 8080 # 端口号 “` 创建TCP客户端对象: “`python client = socket.socket(socket.AF_INET, socket.SOCK_STREAM) “` 4、连接到服务器 使用connect()方法连接到服务器: “`python client.connect((server_address, port)) ...
TCP协议,传输控制协议(英语:Transmission Control Protocol,缩写为 TCP)是一种面向连接的、可靠的、基于字节流的传输层通信协议,由IETF的RFC 793定义。 TCP通信的三个步骤 创建连接:在通信开始之前,必须先建立相关的连接才能发送数据。类似于生活中的"打电话",双方都需要分配系统内核资源来管理状态和传输。
tcp_client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # 和服务端应用程序建立连接 tcp_client_socket.connect(("192.168.131.62", 8080)) # 代码执行到此,说明连接建立成功 # 准备发送的数据 send_data = "你好服务端,我是客户端小黑!".encode("gbk") ...
/* AFP session socket */intserversock;/* listening socket *//* DSI readahead buffer used for buffered reads in dsi_peek */size_tdsireadbuf;/* size of the DSI read ahead buffer used in dsi_peek() */char*buffer;/* buffer start */char*start;/* current buffer head */char*eof;/* ...