6 from pretty import Pretty
7 from sfatables.command import Command
10 options = [('-L','--list')]
20 def get_info(self, xmlextension_path):
21 xmldoc = libxml2.parseFile(xmlextension_path)
22 p = xmldoc.xpathNewContext()
24 ext_name_node = p.xpathEval("/match/@name")
25 ext_name = ext_name_node[0].content
27 name_nodes = p.xpathEval("//rule/argument[value!='']/name")
28 value_nodes = p.xpathEval("//rule/argument[value!='']/value")
30 names = [n.content for n in name_nodes]
31 values = [v.content for v in value_nodes]
33 name_values = zip(names,values)
34 name_value_pairs = map(lambda (n,v):n+'='+v, name_values)
36 argument_str = ",".join(name_value_pairs)
41 return {'name':ext_name, 'arguments':argument_str}
43 def get_rule_list(self, chain_dir_path):
44 broken_semantics = os.walk(chain_dir_path)
47 for (root, dirs, files) in broken_semantics:
49 if (file.startswith('sfatables')):
50 (magic,number,type) = file.split('-')
51 rule_numbers[int(number)]=1
53 rule_list = rule_numbers.keys()
57 def call(self, command_options, match_options, target_options):
58 chain = command_options.args[0]
59 chain_dir = sfatables_config + "/" + chain
61 rule_list = self.get_rule_list(chain_dir)
63 pretty = Pretty(['Rule','Match','Arguments','Target','Arguments'])
65 for number in rule_list:
66 match_file = "sfatables-%d-%s"%(number,'match')
67 target_file = "sfatables-%d-%s"%(number,'target')
69 match_path = sfatables_config + '/' + chain + '/' + match_file
70 target_path = sfatables_config + '/' + chain + '/' + target_file
72 match_info = self.get_info (match_path)
73 target_info = self.get_info (target_path)
75 pretty.push_row(["%d"%number, match_info['name'], match_info['arguments'], target_info['name'], target_info['arguments']])