132 lines
4.5 KiB
Python
Executable File
132 lines
4.5 KiB
Python
Executable File
#!/usr/bin/python
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# -*- mode: python-mode; py-indent-tabs-mode: nil -*-
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import sys,os, random
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from optparse import OptionParser
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import socket
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import struct
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verbose = False
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def prefix_ipa_ctrl_header(data):
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return struct.pack(">HBB", len(data)+1, 0xee, 0) + data
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def ipa_ctrl_header(header):
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(plen, ipa_proto, osmo_proto) = struct.unpack(">HBB", header)
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return None if (ipa_proto != 0xee or osmo_proto != 0) else plen
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def remove_ipa_ctrl_header(data):
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if (len(data) < 4):
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raise BaseException("Answer too short!")
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plen = ipa_ctrl_header(data[:4])
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if (None == plen):
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raise BaseException("Wrong protocol in answer!")
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if (plen + 3 > len(data)):
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print "Warning: Wrong payload length (expected %i, got %i)" % (plen, len(data) - 3)
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return data[4:plen+3], data[plen+3:]
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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 send(sck, data):
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if verbose:
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print "Sending \"%s\"" %(data)
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data = prefix_ipa_ctrl_header(data)
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sck.send(data)
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def do_set(var, value, op_id, sck):
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setmsg = "SET %s %s %s" %(op_id, var, value)
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send(sck, setmsg)
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def do_get(var, op_id, sck):
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getmsg = "GET %s %s" %(op_id, var)
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send(sck, getmsg)
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def do_set_get(sck, var, value = None):
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r = random.randint(1, sys.maxint)
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if (value != None):
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s = 'SET_REPLY'
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do_set(var, value, r, sck)
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else:
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s = 'GET_REPLY'
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do_get(var, r, sck)
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(answer, data) = remove_ipa_ctrl_header(sck.recv(4096))
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x = answer.split()
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if (s == x[0] and str(r) == x[1] and var == x[2]):
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return None if ('SET_REPLY' == s and value != x[3]) else x[3]
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return None
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def set_var(sck, var, val):
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return do_set_get(sck, var, val)
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def get_var(sck, var):
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return do_set_get(sck, var)
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if __name__ == '__main__':
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random.seed()
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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("-i", "--id", dest="op_id", default=random.randint(1, sys.maxint),
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help="set id manually", metavar="ID")
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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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do_set(args[0], ' '.join(args[1:]), options.op_id, sock)
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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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do_get(args[0], options.op_id, sock)
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data = sock.recv(1024)
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while (len(data)>0):
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(answer, data) = remove_ipa_ctrl_header(data)
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print "Got message:", answer
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if options.monitor:
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while True:
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data = sock.recv(1024)
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if len(data) == 0:
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print "Connection is gone."
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break
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while len(data) > 0:
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(answer, data) = remove_ipa_ctrl_header(data)
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print "Got message:", answer
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sock.close()
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