概述
如何创建一个简单的服务器(简单如接受连接并打印到终端接收的任何内容)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,每个绑定调用一个.还是有其他解决方案吗？
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：
这是一个如何完成它的例子.感谢大家.
import socket,select
def server():
import sys,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,1)
sock_lst[-1].bind((host,item))
sock_lst[-1].listen(backlog)
except socket.error,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()
这是一个python example that uses select.
总结
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