39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
import socket
|
|
|
|
class netpipe:
|
|
'''NetPipe: Sends data from one place to another'''
|
|
|
|
def __init__(self, sock=None):
|
|
if sock is None:
|
|
self.sock = socket.socket(
|
|
socket.AF_INET, socket.SOCK_STREAM)
|
|
else:
|
|
self.sock = sock
|
|
|
|
def connect(self, host, port):
|
|
self.sock.connect((host, port))
|
|
|
|
def send(self, msg):
|
|
msg = ("%04d" % len(msg)) + msg
|
|
#print "np->: "+msg
|
|
totalsent = 0
|
|
while totalsent < len(msg):
|
|
sent = self.sock.send(msg[totalsent:])
|
|
if sent == 0:
|
|
raise SocketClosed, "socket connection broken"
|
|
totalsent = totalsent + sent
|
|
|
|
def receive(self):
|
|
length = int(self.sock.recv(4))
|
|
msg = ''
|
|
while len(msg) < length:
|
|
line = self.sock.recv(length - len(msg))
|
|
if line == '':
|
|
raise SocketClosed, "socket connection broken"
|
|
msg = msg + line
|
|
#print "np<-: " + msg
|
|
return msg
|
|
|
|
def close(self):
|
|
self.sock.close()
|