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1 # Software License Agreement (BSD License) 2 # 3 # Copyright (c) 2009, Willow Garage, Inc. 4 # All rights reserved. 5 # 6 # Redistribution and use in source and binary forms, with or without 7 # modification, are permitted provided that the following conditions 8 # are met: 9 # 10 # * Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # * Redistributions in binary form must reproduce the above 13 # copyright notice, this list of conditions and the following 14 # disclaimer in the documentation and/or other materials provided 15 # with the distribution. 16 # * Neither the name of Willow Garage, Inc. nor the names of its 17 # contributors may be used to endorse or promote products derived 18 # from this software without specific prior written permission. 19 # 20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 # POSSIBILITY OF SUCH DAMAGE. 32 # 33 # Revision $Id: environment.py 4428 2009-05-05 05:48:36Z jfaustwg $ 34 35 import os 36 import socket 37 import stat 38 import string 39 import sys 40 41 import rosgraph 42 import rosgraph.network 43 44 from roswtf.rules import warning_rule, error_rule 45 46 # #122048 # best we can do is compare roslib's routine against socket resolution and make sure they agree 49 local_addrs = rosgraph.network.get_local_addresses() 50 51 resolved_ips = [host[4][0] for host in socket.getaddrinfo(socket.gethostname(), 0, 0, 0, socket.SOL_TCP)] 52 global_ips = [ ip for ip in resolved_ips if not ip.startswith('127.') and not ip == '::1'] 53 54 remote_ips = list(set(global_ips) - set(local_addrs)) 55 if remote_ips: 56 retval = "Local hostname [%s] resolves to [%s], which does not appear to be a local IP address %s." % (socket.gethostname(), ','.join(remote_ips), str(local_addrs)) 57 # IPv6 support % to denote zone/scope ids. The value is expanded 58 # in other functions, this is why we are using replace command in 59 # the return. For more info https://github.com/ros/ros_comm/pull/598 60 return retval.replace('%', '%%')61 62 # suggestion by mquigley based on laptop dhcp issues64 """Make sure that ROS_HOSTNAME resolves to a local IP address""" 65 if not rosgraph.ROS_HOSTNAME in ctx.env: 66 return 67 68 hostname = ctx.env[rosgraph.ROS_HOSTNAME] 69 try: 70 resolved_ips = [host[4][0] for host in socket.getaddrinfo(hostname, 0, 0, 0, socket.SOL_TCP)] 71 except socket.gaierror: 72 return "ROS_HOSTNAME [%s] cannot be resolved to an IP address"%(hostname) 73 74 # best we can do is compare roslib's routine against socket resolution and make sure they agree 75 local_addrs = rosgraph.network.get_local_addresses() 76 77 remote_ips = list(set(resolved_ips) - set(local_addrs)) 78 if remote_ips: 79 return "ROS_HOSTNAME [%s] resolves to [%s], which does not appear to be a local IP address %s."%(hostname, ','.join(remote_ips), str(local_addrs))8082 """Make sure that ROS_IP is a local IP address""" 83 if not rosgraph.ROS_IP in ctx.env: 84 return 85 86 ip = ctx.env[rosgraph.ROS_IP] 87 88 # best we can do is compare roslib's routine against socket resolution and make sure they agree 89 addrs = rosgraph.network.get_local_addresses() 90 91 if ip not in addrs: 92 return "ROS_IP [%s] does not appear to be a local IP address %s."%(ip, str(addrs))93 94 # Error/Warning Rules 95 96 warnings = [ 97 (ros_hostname_check, 98 "ROS_HOSTNAME may be incorrect: "), 99 (ros_ip_check, 100 "ROS_IP may be incorrect: "), 101 102 ] 103 104 errors = [ 105 (ip_check, 106 "Local network configuration is invalid: "), 107 ] 108110 for r in warnings: 111 warning_rule(r, r[0](ctx), ctx) 112 for r in errors: 113 error_rule(r, r[0](ctx), ctx)114
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