121 lines
4.3 KiB
Python
Executable File
121 lines
4.3 KiB
Python
Executable File
#!/usr/bin/python
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# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
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"""
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/*
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* Copyright (C) 2016 sysmocom s.f.m.c. GmbH
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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"""
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from optparse import OptionParser
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from ipa import Ctrl
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import socket
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verbose = False
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def connect(host, port):
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if verbose:
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print "Connecting to host %s:%i" % (host, port)
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sck = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sck.setblocking(1)
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sck.connect((host, port))
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return sck
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def do_set_get(sck, var, value = None):
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(r, c) = Ctrl().cmd(var, value)
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sck.send(c)
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answer = Ctrl().rem_header(sck.recv(4096))
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return (answer,) + Ctrl().verify(answer, r, var, value)
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def set_var(sck, var, val):
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(a, _, _) = do_set_get(sck, var, val)
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return a
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def get_var(sck, var):
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(_, _, v) = do_set_get(sck, var)
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return v
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def _leftovers(sck, fl):
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"""
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Read outstanding data if any according to flags
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"""
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try:
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data = sck.recv(1024, fl)
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except socket.error as (s_errno, strerror):
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return False
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if len(data) != 0:
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tail = data
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while True:
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(head, tail) = Ctrl().split_combined(tail)
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print "Got message:", Ctrl().rem_header(head)
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if len(tail) == 0:
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break
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return True
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return False
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if __name__ == '__main__':
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parser = OptionParser("Usage: %prog [options] var [value]")
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parser.add_option("-d", "--host", dest="host",
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help="connect to HOST", metavar="HOST")
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parser.add_option("-p", "--port", dest="port", type="int",
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help="use PORT", metavar="PORT", default=4249)
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parser.add_option("-g", "--get", action="store_true",
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dest="cmd_get", help="perform GET operation")
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parser.add_option("-s", "--set", action="store_true",
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dest="cmd_set", help="perform SET operation")
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parser.add_option("-v", "--verbose", action="store_true",
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dest="verbose", help="be verbose", default=False)
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parser.add_option("-m", "--monitor", action="store_true",
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dest="monitor", help="monitor the connection for traps", default=False)
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(options, args) = parser.parse_args()
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verbose = options.verbose
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if options.cmd_set and options.cmd_get:
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parser.error("Get and set options are mutually exclusive!")
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if not (options.cmd_get or options.cmd_set or options.monitor):
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parser.error("One of -m, -g, or -s must be set")
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if not (options.host):
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parser.error("Destination host and port required!")
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sock = connect(options.host, options.port)
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if options.cmd_set:
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if len(args) < 2:
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parser.error("Set requires var and value arguments")
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_leftovers(sock, socket.MSG_DONTWAIT)
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print "Got message:", set_var(sock, args[0], ' '.join(args[1:]))
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if options.cmd_get:
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if len(args) != 1:
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parser.error("Get requires the var argument")
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_leftovers(sock, socket.MSG_DONTWAIT)
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(a, _, _) = do_set_get(sock, args[0])
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print "Got message:", a
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if options.monitor:
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while True:
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if not _leftovers(sock, 0):
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print "Connection is gone."
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break
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sock.close()
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