def url_hostname_port (url):
if url.find("://")<0:
url="http://"+url
+ parsed_url=urlparse(url)
+ # 0(scheme) returns protocol
+ default_port='80'
+ if parsed_url[0]=='https': default_port='443'
# 1(netloc) returns the hostname+port part
- parts=urlparse(url)[1].split(":")
+ parts=parsed_url[1].split(":")
# just a hostname
if len(parts)==1:
- return (url,parts[0],'80')
+ return (url,parts[0],default_port)
else:
return (url,parts[0],parts[1])
class SfaScan:
# provide the entry points (a list of interfaces)
- def __init__ (self):
- pass
+ def __init__ (self, left_to_right=False, verbose=False):
+ self.verbose=verbose
+ self.left_to_right=left_to_right
def graph (self,entry_points):
graph=pygraphviz.AGraph(directed=True)
+ if self.left_to_right:
+ graph.graph_attr['rankdir']='LR'
self.scan(entry_points,graph)
return graph
for interface in to_scan:
# performing xmlrpc call
version=interface.get_version()
- # 'sfa' is expected if the call succeeded at all
+ if self.verbose:
+ sfa_logger().info("GetVersion at interface %s"%interface.url())
+ if not version:
+ sfa_logger().info("<EMPTY GetVersion(); offline or cannot authenticate>")
+ else:
+ for (k,v) in version.iteritems():
+ if not isinstance(v,dict):
+ sfa_logger().info("\r\t%s:%s"%(k,v))
+ else:
+ sfa_logger().info(k)
+ for (k1,v1) in v.iteritems():
+ sfa_logger().info("\r\t\t%s:%s"%(k1,v1))
+ # 'geni_api' is expected if the call succeeded at all
# 'peers' is needed as well as AMs typically don't have peers
- if 'sfa' in version and 'peers' in version:
+ if 'geni_api' in version and 'peers' in version:
# proceed with neighbours
for (next_name,next_url) in version['peers'].items():
next_interface=Interface(next_url)
parser=OptionParser(usage=usage)
parser.add_option("-o","--output",action='append',dest='outfiles',default=[],
help="output filenames (cumulative) - defaults are %r"%default_outfiles)
+ parser.add_option("-l","--left-to-right",action="store_true",dest="left_to_right",default=False,
+ help="instead of top-to-bottom")
+ parser.add_option("-v","--verbose",action='store_true',dest='verbose',default=False,
+ help="verbose")
(options,args)=parser.parse_args()
if not args:
parser.print_help()
sys.exit(1)
if not options.outfiles:
options.outfiles=default_outfiles
- scanner=SfaScan()
+ scanner=SfaScan(left_to_right=options.left_to_right, verbose=options.verbose)
entries = [ Interface(entry) for entry in args ]
g=scanner.graph(entries)
sfa_logger().info("creating layout")