1.4socket服务器打印信息的四种不同方式()
2024-10-19 14:45:37
方式一
socker 服务器
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def initListenerSocket(port=port):
sock = socket(AF_INET,SOCK_STREAM) #创建TCP对象
sock.bind(('',port)) #绑定端口
sock.listen(5) #允许5个请求连接
conn,addr = sock.accept() #返回socket对象
return conn def server1():
mypid = os.getpid() #获取系统进程
conn = initListenerSocket()
file = conn.makefile('r') #file interface wrapper
for i in range(3):
data = file.readline().rstrip() #读取之前客户端写入file的值
print('Sever %s:%s'%(mypid,data)) #当makefile('r')中为'r'时候,此时显示的是print值
server1()
socket 客户端
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def redirectOut(port=serverPort, host=serverHost):
sock = socket(AF_INET, SOCK_STREAM)
sock.connect((host, port))
file = sock.makefile('w')
sys.stdout = file #此时sys.stdout指向file,原始的 sys.stdout 指向控制台,如果把文件的对象的引用赋给 sys.stdout,那么 print 调用的就是文件对象的 write 方法
return sock def client1():
mypid = os.getpid()
redirectOut()
for i in range(3):
print('Client %s:%s+++++'%(mypid,i)) #当makefile('w')中为'w'时候,此时print不能打印,print后为写入file中的值
sys.stdout.flush() #每一次print都会输入刷新 client1()
方式二
socker 服务器
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def initListenerSocket(port=port):
sock = socket(AF_INET,SOCK_STREAM) #创建TCP对象
sock.bind(('',port)) #绑定端口
sock.listen(5) #允许5个请求连接
conn,addr = sock.accept() #返回socket对象
return conn def server2():
mypid = os.getpid()
conn = initListenerSocket()
for i in range(3):
conn.send(('Sever %s:%s'%(mypid,i)).encode()) #和下面的注释功能一样,但是下面不报EOF错误
# ofile = conn.makefile('w')
# sys.stdout=ofile
# print(('Sever %s:%s'%(mypid,i)).encode()) server2()
socker 客户端
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def redirectIn(port=serverPort, host=serverHost):
sock = socket(AF_INET, SOCK_STREAM)
sock.connect((host, port))
file = sock.makefile('r')
sys.stdin = file
return sock def client2():
mypid = os.getpid()
redirectIn()
for i in range(3):
data = input() #input获取的是服务器发送过来的内容
print('Client %s got [%s]'%(mypid,data)) #打印信息,出现EOF错误,不知道为什么 client2()
方式三
socker 服务器
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def initListenerSocket(port=port):
sock = socket(AF_INET,SOCK_STREAM) #创建TCP对象
sock.bind(('',port)) #绑定端口
sock.listen(5) #允许5个请求连接
conn,addr = sock.accept() #返回socket对象
return conn def server3():
mypid = os.getpid()
conn = initListenerSocket()
file = conn.makefile('r') #读取之前客户端写入file的值
for i in range(3):
data = file.readline().rstrip()
conn.send(('Server %s got[%s]\n'%(mypid,data)).encode()) server3()
socker 客户端
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def redirectBothAsClient(port=serverPort,host=serverHost):
sock = socket(AF_INET,SOCK_STREAM)
sock.connect((host,port))
ofile = sock.makefile('w')
ifile = sock.makefile('r')
sys.stdout = ofile
sys.stdin = ifile
return sock def client3():
mypid = os.getpid()
redirectBothAsClient()
for i in range(3):
print('Client %s: %s'%(mypid,i)) #写入ofile,再传到服务器
data = input() #再传回来
sys.stderr.write('Client %s got [%s]\n'%(mypid,data)) #打印出来,这里不能用print打印
#print('Client %s got [%s]\n'%(mypid,data)) client3()
方式四
socker 服务器
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def initListenerSocket(port=port):
sock = socket(AF_INET,SOCK_STREAM) #创建TCP对象
sock.bind(('',port)) #绑定端口
sock.listen(5) #允许5个请求连接
conn,addr = sock.accept() #返回socket对象
return conn def server5():
mypid = os.getpid()
conn = initListenerSocket()
file = conn.makefile('r')
for i in range(3):
conn.send(('Server %s got[%s]\n' % (mypid,i)).encode())
data = file.readline().rstrip()
print(('Server %s got[%s]\n' % (mypid, data))) server5()
socker 客户端
# -*- coding: utf-8 -*-
import sys,os,multiprocessing
from socket import * serverHost = 'localhost'
serverPort = 50007 def redirectBothAsClient(port=serverPort,host=serverHost):
sock = socket(AF_INET,SOCK_STREAM)
sock.connect((host,port))
ofile = sock.makefile('w')
ifile = sock.makefile('r')
sys.stdout = ofile
sys.stdin = ifile
return sock def client5():
mypid = os.getpid()
s = redirectBothAsClient()
for i in range(3):
data = input()
print('Client %s got [%s]\n' % (mypid, data))
sys.stdout.flush() #每一次print都会输入刷新 client5()
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