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import threading
import time
import StringIO
import Queue
import sys
from xmodem import XMODEM
class FakeIO(object):
streams = [Queue.Queue(), Queue.Queue()]
stdin = []
stdot = []
delay = 0.01 # simulate modem delays
def putc(self, data, q=0):
for char in data:
self.streams[1-q].put(char)
print 'p%d(0x%x)' % (q, ord(char)),
sys.stdout.flush()
return len(data)
def getc(self, size, q=0):
data = []
while size:
try:
char = self.streams[q].get(timeout=0.5) # Wait at most 1/2 second for data in the queue
print 'r%d(0x%x)' % (q, ord(char)),
sys.stdout.flush()
data.append(char)
size -= 1
except Queue.Empty:
return None
return ''.join(data)
class Client(threading.Thread):
def __init__(self, io, server, filename):
threading.Thread.__init__(self)
self.io = io
self.server = server
self.stream = open(filename, 'rb')
def getc(self, data, timeout=0):
return self.io.getc(data, 0)
def putc(self, data, timeout=0):
return self.io.putc(data, 0)
def run(self):
self.xmodem = XMODEM(self.getc, self.putc)
print 'c.send', self.xmodem.send(self.stream)
class Server(FakeIO, threading.Thread):
def __init__(self, io):
threading.Thread.__init__(self)
self.io = io
self.stream = StringIO.StringIO()
def getc(self, data, timeout=0):
return self.io.getc(data, 1)
def putc(self, data, timeout=0):
return self.io.putc(data, 1)
def run(self):
self.xmodem = XMODEM(self.getc, self.putc)
print 's.recv', self.xmodem.recv(self.stream)
print 'got'
print self.stream.getvalue()
if __name__ == '__main__':
i = FakeIO()
s = Server(i)
c = Client(i, s, sys.argv[1])
s.start()
c.start()
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