Python實現(xiàn)端口復(fù)用實例代碼
更新時間:2014年07月03日 14:50:51 投稿:shichen2014
這篇文章主要介紹了Python實現(xiàn)端口復(fù)用實例代碼,需要的朋友可以參考下
本文介紹Python實現(xiàn)端口復(fù)用實例如下所示:
#coding=utf-8
import socket
import sys
import select
import threading
host='192.168.99.100'
port=80
class Thread(threading.Thread):
def __init__(self,buf,sockfd):
threading.Thread.__init__(self)
self.buf=buf
self.sockfd=sockfd
def run(self):
if len(self.buf)!=0:
if 'GET' in self.buf : #判斷是否是瀏覽器提交的數(shù)據(jù)如果是則將提交的數(shù)據(jù)轉(zhuǎn)發(fā)至本地環(huán)回地址的80端口
s2=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s2.connect(('127.0.0.1',80))
s2.send(self.buf)
bufer=''
while 1:
recv_data=s2.recv(1024)
bufer+=recv_data
if len(recv_data)==0:
break
print bufer,len(bufer)
if len(bufer)==0:
pass
self.sockfd.send(bufer) #將服務(wù)器發(fā)送的數(shù)據(jù)發(fā)回客戶端
s2.close
self.sockfd.close
sys.exit()
else:
'ps:connect to ssh' #如果數(shù)據(jù)不是瀏覽器提交則將其轉(zhuǎn)發(fā)至本地的22端口
s2=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s2.connect(('127.0.0.1',22))
s2.send(self.buf)
recv_data=s2.recv(4096)
conn.send(recv_data)
self.sockfd.close
s2.close
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.setsockopt( socket.SOL_SOCKET, socket.SO_REUSEADDR, 1 ) #端口復(fù)用的關(guān)鍵點
s.bind((host,port))
s.listen(10)
while 1:
infds,outfds,errfds=select.select([s,],[],[],5) #使用select函數(shù)進行非阻塞操作
if len(infds)!=0:
conn,(addr,port)=s.accept()
print 'connected by',addr,port
data=conn.recv(1024)
t=Thread(data,conn)
t.start()
s.close
#coding=utf-8
import socket
import sys
import select
import threading
host='192.168.99.100'
port=80
class Thread(threading.Thread):
def __init__(self,buf,sockfd):
threading.Thread.__init__(self)
self.buf=buf
self.sockfd=sockfd
def run(self):
if len(self.buf)!=0:
if 'GET' in self.buf : #判斷是否是瀏覽器提交的數(shù)據(jù)如果是則將提交的數(shù)據(jù)轉(zhuǎn)發(fā)至本地環(huán)回地址的80端口
s2=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s2.connect(('127.0.0.1',80))
s2.send(self.buf)
bufer=''
while 1:
recv_data=s2.recv(1024)
bufer+=recv_data
if len(recv_data)==0:
break
print bufer,len(bufer)
if len(bufer)==0:
pass
self.sockfd.send(bufer) #將服務(wù)器發(fā)送的數(shù)據(jù)發(fā)回客戶端
s2.close
self.sockfd.close
sys.exit()
else:
'ps:connect to ssh' #如果數(shù)據(jù)不是瀏覽器提交則將其轉(zhuǎn)發(fā)至本地的22端口
s2=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s2.connect(('127.0.0.1',22))
s2.send(self.buf)
recv_data=s2.recv(4096)
conn.send(recv_data)
self.sockfd.close
s2.close
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.setsockopt( socket.SOL_SOCKET, socket.SO_REUSEADDR, 1 ) #端口復(fù)用的關(guān)鍵點
s.bind((host,port))
s.listen(10)
while 1:
infds,outfds,errfds=select.select([s,],[],[],5) #使用select函數(shù)進行非阻塞操作
if len(infds)!=0:
conn,(addr,port)=s.accept()
print 'connected by',addr,port
data=conn.recv(1024)
t=Thread(data,conn)
t.start()
s.close
例子2
import socket
tcp1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
#在綁定前調(diào)用setsockopt讓套接字允許地址重用
tcp1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
tcp2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
#接下來兩個套接字都也可以綁定到同一個端口上
tcp1.bind(('0.0.0.0', 12345))
tcp2.bind(('0.0.0.0', 12345))
import socket
tcp1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
tcp2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
#在綁定前調(diào)用setsockopt讓套接字允許地址重用
tcp1.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
tcp2.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
#接下來兩個套接字都也可以綁定到同一個端口上
tcp1.bind(('0.0.0.0', 12345))
tcp2.bind(('0.0.0.0', 12345))
例子3
重定向
import socket,os
bufLen = 4*1024
sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock1.bind(('192.168.168.100', 8000))
sock1.listen(5)
sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock2.connect(('192.168.168.100', 12345))
while True:
connection,address = sock1.accept()
buf = connection.recv(bufLen)
#print buf
sock2.send(buf)
connection.send(sock2.recv(bufLen))
connection.close()
import socket,os
bufLen = 4*1024
sock1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock1.bind(('192.168.168.100', 8000))
sock1.listen(5)
sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock2.connect(('192.168.168.100', 12345))
while True:
connection,address = sock1.accept()
buf = connection.recv(bufLen)
#print buf
sock2.send(buf)
connection.send(sock2.recv(bufLen))
connection.close()
相關(guān)文章
TensorFLow 數(shù)學(xué)運算的示例代碼
這篇文章主要介紹了TensorFLow 數(shù)學(xué)運算的示例代碼,文中通過示例代碼介紹的非常詳細(xì),對大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價值,需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧2020-04-04
使用Python連接MySQL數(shù)據(jù)庫進行編程的步驟詳解
Python數(shù)據(jù)庫編程可以使用多種模塊與API,例如SQLite、MySQL、PostgreSQL等,本教程將重點介紹使用Python連接MySQL數(shù)據(jù)庫進行編程,需要的朋友可以參考下2023-06-06
Python代碼一鍵轉(zhuǎn)Jar包及Java調(diào)用Python新姿勢
這篇文章主要介紹了Python一鍵轉(zhuǎn)Jar包,Java調(diào)用Python新姿勢,本文通過截圖實例給大家介紹的非常詳細(xì),對大家的學(xué)習(xí)或工作具有一定的參考借鑒價值,需要的朋友可以參考下2020-03-03
在Linux中通過Python腳本訪問mdb數(shù)據(jù)庫的方法
這篇文章主要介紹了在Linux中通過Python腳本訪問mdb數(shù)據(jù)庫的方法,本文示例基于debian系的Linux系統(tǒng),需要的朋友可以參考下2015-05-05

