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发布于2023-05-10 阅读(0)
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IP地址:网络中每个设备的唯一标识符,用于在网络中定位设备。
端口:标识设备上的不同网络应用,一个端口对应一个特定的服务或应用。
协议:数据通信的规则,如TCP和UDP。
Socket是一种通信句柄,用于在网络中传输数据。
Python的socket库提供了丰富的函数和类,用于实现网络编程。
Socket编程主要包括创建socket对象、绑定地址和端口、监听连接、接受和发送数据等操作。
import socket import threading server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(("0.0.0.0", 8080))server.listen(5)
clients = [] while True: client_socket, client_address = server.accept() clients.append(client_socket) thread = threading.Thread(target=handle_client, args=(client_socket, client_address)) thread.start()
def handle_client(client_socket, client_address):
print(f"[INFO] Client {client_address} connected.")
while True:
try:
message = client_socket.recv(1024).decode("utf-8")
if not message:
break
print(f"[{client_address}] {message}")
broadcast(client_socket, f"[{client_address}] {message}")
except:
break
print(f"[INFO] Client {client_address} disconnected.")
clients.remove(client_socket)
client_socket.close()
``clients.remove(client_socket) client_socket.close()
def broadcast(from_client_socket, message):
for client_socket in clients:
if client_socket != from_client_socket:
client_socket.send(message.encode("utf-8"))import socket
import threading
def handle_client(client_socket, client_address):
print(f"[INFO] Client {client_address} connected.")
while True:
try:
message = client_socket.recv(1024).decode("utf-8")
if not message:
break
print(f"[{client_address}] {message}")
broadcast(client_socket, f"[{client_address}] {message}")
except:
break
print(f"[INFO] Client {client_address} disconnected.")
clients.remove(client_socket)
client_socket.close()
def broadcast(from_client_socket, message):
for client_socket in clients:
if client_socket != from_client_socket:
client_socket.send(message.encode("utf-8"))
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(("0.0.0.0", 8080))
server.listen(5)
print("[INFO] Server is listening...")
clients = []
while True:
client_socket, client_address = server.accept()
clients.append(client_socket)
thread = threading.Thread(target=handle_client, args=(client_socket, client_address))
thread.start()import socket import threading client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.connect(("127.0.0.1", 8080))def receive_message():
while True:
message = client.recv(1024).decode("utf-8")
print(message)
thread = threading.Thread(target=receive_message)
thread.start()while True:
message = input()
client.send(message.encode("utf-8"))import socket
import threading
def receive_message():
while True:
message = client.recv(1024).decode("utf-8")
print(message)
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.connect(("127.0.0.1", 8080))
print("[INFO] Connected to the server.")
thread = threading.Thread(target=receive_message)
thread.start()
while True:
message = input()
client.send(message.encode("utf-8"))分别启动聊天室服务器端和多个客户端。在客户端发送消息,观察其他客户端是否能收到消息。尝试断开客户端,观察服务器端和其他客户端的表现。
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