Python 从一个插座传递到另一个插座
我正试图写一个程序,作为一个媒介工作。(M) 我只能使用telnet连接: A需要连接到M,B连接到M A通过套接字向M发送数据,M需要将数据传递给B B通过另一个套接字向M发送数据 我试着用一个共享列表启动四个线程 问题是它似乎没有向另一个套接字写入,甚至没有接受写入 有人知道更好的方法来实现它并将它传递到另一个套接字吗 我的代码:Python 从一个插座传递到另一个插座,python,multithreading,Python,Multithreading,我正试图写一个程序,作为一个媒介工作。(M) 我只能使用telnet连接: A需要连接到M,B连接到M A通过套接字向M发送数据,M需要将数据传递给B B通过另一个套接字向M发送数据 我试着用一个共享列表启动四个线程 问题是它似乎没有向另一个套接字写入,甚至没有接受写入 有人知道更好的方法来实现它并将它传递到另一个套接字吗 我的代码: import sys import arduinoReadThread import arduinoWriteThread import socket class
import sys
import arduinoReadThread
import arduinoWriteThread
import socket
class ControllerClass(object):
'''
classdocs
'''
bolt = 0
socketArray=list()
def __init__(self):
self.readAndParseArgv()
self.createThreads()
def readAndParseArgv(self):
array = sys.argv
print sys.argv
if len(array) != 3:
print "Too few arguments : ./script host:port host:port"
else:
for line in array:
if ":" in line:
splitted = line.split(':')
HOST = splitted[0]
print HOST
PORT = int(splitted[1])
print PORT
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM ) #create an INET, STREAMing socket
s.bind((HOST,PORT)) #bind to that port
print "test"
s.listen(1) #listen for user input and accept 1 connection at a time.
self.socketArray.append(s)
def createThreads(self):
print "Creating Threads"
sharedArray1 = list()
sharedArray2 = list()
s1 = self.socketArray.pop()
s2 = self.socketArray.pop()
sT1 = arduinoWriteThread.writeThread().run(self.bolt,sharedArray1,s2)
sT2 = arduinoReadThread.readThread().run(self.bolt,sharedArray1,s1)
sT3 = arduinoReadThread.readThread().run(self.bolt,sharedArray2,s2)
sT4 = arduinoWriteThread.writeThread().run(self.bolt,sharedArray2,s1)
sT1.start()
sT2.start()
sT3.start()
sT4.start()
x = ControllerClass()
x
两个线程:
写入线程:
导入线程
类writeThread(threading.Thread):
读线程
import threading
class readThread ( threading.Thread ):
def run ( self,bolt,writeList,socketToReadFrom ):
s = socketToReadFrom
while(bolt == 0):
conn, addr = s.accept()
f = conn.rcv()
print f
writeList.append(f)
你真的不需要线程来完成这个 接受新连接后,将其添加到列表中。从列表中的某个连接接收任何内容时,请发送到所有连接,但从中获取消息的连接除外 用于查看哪些连接已向您发送数据 编辑 使用select的示例:
# serversocket: One server socket listening on some port, has to be non-blocking
# all_sockets : List containing all connected client sockets
while True:
readset = [serversocket]
readset += all_sockets
# Wait for sockets to be ready, with a 0.1 second timeout
read_ready = select.select(readset, None, None, 0.1)
# If the listening socket can be read, it means it has a new connection
if serversocket in read_ready:
new_connection = serversocket.accept()
new_connection.setblocking(0); # Make socket non-blocking
all_sockets += [new_connection]
read_ready.remove(serversocket) # To not loop over it below
for socket in read_ready:
# Read data from socket
data = socket.recv(2048)
for s in all_sockets:
# Do not send to self
if s != socket:
s.send(data)
免责声明我从来没有真正使用过Python套接字函数,上面的代码是刚刚阅读手册页面编写的。代码可能不是最优的,或者也不是很符合Python。我听说过select,但我并不真正了解它是如何工作的,你能给我一个代码示例吗?
# serversocket: One server socket listening on some port, has to be non-blocking
# all_sockets : List containing all connected client sockets
while True:
readset = [serversocket]
readset += all_sockets
# Wait for sockets to be ready, with a 0.1 second timeout
read_ready = select.select(readset, None, None, 0.1)
# If the listening socket can be read, it means it has a new connection
if serversocket in read_ready:
new_connection = serversocket.accept()
new_connection.setblocking(0); # Make socket non-blocking
all_sockets += [new_connection]
read_ready.remove(serversocket) # To not loop over it below
for socket in read_ready:
# Read data from socket
data = socket.recv(2048)
for s in all_sockets:
# Do not send to self
if s != socket:
s.send(data)