class Link():
def __init__(self, conn, chan, command, args):
self.conn = conn
self.chan = chan
self.command = command
self.args = args
self.queue = []
def start(self):
self.pid, self.child = pty.fork()
if self.pid == 0: #is child process?
finalargs = self.args
if self.args == []:
finalargs = [""]
os.execv(self.command, finalargs)
else:
self.intimer = RepeatTimer(1, self.syncin)
self.outtimer = Timer(1, self.syncout)
self.intimer.start()
self.outtimer.start()
def stop(self):
self.intimer.cancel()
self.outtimer.cancel()
os.kill(self.pid, signal.SIGKILL)
def syncin(self):
if self.queue != []:
for line in self.queue:
os.write(self.child, line + "\r\n")
self.queue = []
def syncout(self):
try:
readstr = os.read(self.child, 1024)
lines = itertools.groupby(readstr.splitlines())
for line in lines:
if line[0] != "":
self.conn.privmsg(self.chan, "[%s] %s" % (self.command, line[0]))
self.outtimer = Timer(2, self.syncout)
self.outtimer.start()
except OSError:
self.conn.privmsg(self.chan, "[] %s terminated" % self.command)
