我怎样才能让一个简单的服务器(简单到接受连接并打印到终端接收到的任何东西)接受来自多个端口或端口范围的连接?
我是否必须使用多个线程,一个用于每个绑定(bind)调用。或者有其他解决方案吗?
简单的服务器看起来像这样。
def server():
import sys, os, socket
port = 11116
host = ''
backlog = 5 # Number of clients on wait.
buf_size = 1024
try:
listening_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
listening_socket.setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
listening_socket.bind((host, port))
listening_socket.listen(backlog)
except socket.error, (value, message):
if listening_socket:
listening_socket.close()
print 'Could not open socket: ' + message
sys.exit(1)
while True:
accepted_socket, adress = listening_socket.accept()
data = accepted_socket.recv(buf_size)
if data:
accepted_socket.send('Hello, and goodbye.')
accepted_socket.close()
server()
编辑: 这是如何完成的示例。谢谢大家。
import socket, select
def server():
import sys, os, socket
port_wan = 11111
port_mob = 11112
port_sat = 11113
sock_lst = []
host = ''
backlog = 5 # Number of clients on wait.
buf_size = 1024
try:
for item in port_wan, port_mob, port_sat:
sock_lst.append(socket.socket(socket.AF_INET, socket.SOCK_STREAM))
sock_lst[-1].setsockopt(socket.SOL_SOCKET,socket.SO_REUSEADDR,1)
sock_lst[-1].bind((host, item))
sock_lst[-1].listen(backlog)
except socket.error, (value, message):
if sock_lst[-1]:
sock_lst[-1].close()
sock_lst = sock_lst[:-1]
print 'Could not open socket: ' + message
sys.exit(1)
while True:
read, write, error = select.select(sock_lst,[],[])
for r in read:
for item in sock_lst:
if r == item:
accepted_socket, adress = item.accept()
print 'We have a connection with ', adress
data = accepted_socket.recv(buf_size)
if data:
print data
accepted_socket.send('Hello, and goodbye.')
accepted_socket.close()
server()
最佳答案
我不是 python 专家,但您感兴趣的功能是“select”。这将允许您观察多个套接字,并在其中任何一个套接字发生事件时中断。
关于python - 如何使服务器接受来自多个端口的连接?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/1232366/