#!/usr/bin/python
import sys
import os
+import time
import ConfigParser
import tempfile
+import codecs
+from StringIO import StringIO
from sfa.util.xml import XML
default_config = \
"""
"""
+def isbool(v):
+ return v.lower() in ("true", "false")
+
+def str2bool(v):
+ return v.lower() in ("true", "1")
+
class Config:
def __init__(self, config_file='/etc/sfa/sfa_config'):
+ self._files = []
+ self.config_path = os.path.dirname(config_file)
self.config = ConfigParser.ConfigParser()
self.filename = config_file
if not os.path.isfile(self.filename):
self.create(self.filename)
self.load(self.filename)
+
+
+ def _header(self):
+ header = """
+DO NOT EDIT. This file was automatically generated at
+%s from:
+
+%s
+""" % (time.asctime(), os.linesep.join(self._files))
+
+ # Get rid of the surrounding newlines
+ return header.strip().split(os.linesep)
def create(self, filename):
if not os.path.exists(os.path.dirname(filename)):
def load(self, filename):
if filename:
- if filename.endswith('.xml'):
- try:
- self.load_xml(filename)
- except:
- raise
- self.config.read(filename)
- else:
+ try:
self.config.read(filename)
- self.set_attributes()
-
+ except ConfigParser.MissingSectionHeaderError:
+ if filename.endswith('.xml'):
+ self.load_xml(filename)
+ else:
+ self.load_shell(filename)
+ self._files.append(filename)
+ self.set_attributes()
+
def load_xml(self, filename):
xml = XML(filename)
categories = xml.xpath('//configuration/variables/category')
value = ""
self.config.set(section_name, option_name, value)
+ def load_shell(self, filename):
+ f = open(filename, 'r')
+ for line in f:
+ try:
+ if line.startswith('#'):
+ continue
+ parts = line.strip().split("=")
+ if len(parts) < 2:
+ continue
+ option = parts[0]
+ value = parts[1].replace('"', '').replace("'","")
+ section, var = self.locate_varname(option, strict=False)
+ if section and var:
+ self.set(section, var, value)
+ except:
+ pass
+ f.close()
- def locate_varname(self, varname):
+ def locate_varname(self, varname, strict=True):
varname = varname.lower()
sections = self.config.sections()
section_name = ""
if varname.startswith(section.lower()) and len(section) > len(section_name):
section_name = section.lower()
var_name = varname.replace(section_name, "")[1:]
- if not self.config.has_option(section_name, var_name):
- raise ConfigParser.NoOptionError(varname, section_name)
+ if strict and not self.config.has_option(section_name, var_name):
+ raise ConfigParser.NoOptionError(var_name, section_name)
return (section_name, var_name)
def set_attributes(self):
for item in self.config.items(section):
name = "%s_%s" % (section, item[0])
value = item[1]
+ if isbool(value):
+ value = str2bool(value)
+ elif value.isdigit():
+ value = int(value)
setattr(self, name, value)
setattr(self, name.upper(), value)
def validate_type(self, var_type, value):
return True
+ @staticmethod
+ def is_xml(config_file):
+ try:
+ x = Xml(config_file)
+ return True
+ except:
+ return False
+
+ @staticmethod
+ def is_ini(config_file):
+ try:
+ c = ConfigParser.ConfigParser()
+ c.read(config_file)
+ return True
+ except ConfigParser.MissingSectionHeaderError:
+ return False
+
+
def dump(self, sections = []):
- if not sections:
- sections = self.config.sections()
- print ""
- for section in sections:
- print "[%s]" % section
- for item in self.config.items(section):
- print "%s=%s" % (item[0], item[1])
- print ""
+ sys.stdout.write(output_python())
+
+ def output_python(self, encoding = "utf-8"):
+ buf = codecs.lookup(encoding)[3](StringIO())
+ buf.writelines(["# " + line + os.linesep for line in self._header()])
+
+ for section in self.sections():
+ buf.write("[%s]%s" % (section, os.linesep))
+ for (name,value) in self.items(section):
+ buf.write("%s=%s%s" % (name,value,os.linesep))
+ buf.write(os.linesep)
+ return buf.getvalue()
+
+ def output_shell(self, show_comments = True, encoding = "utf-8"):
+ """
+ Return variables as a shell script.
+ """
+
+ buf = codecs.lookup(encoding)[3](StringIO())
+ buf.writelines(["# " + line + os.linesep for line in self._header()])
+
+ for section in self.sections():
+ for (name,value) in self.items(section):
+ # bash does not have the concept of NULL
+ if value:
+ option = "%s_%s" % (section.upper(), name.upper())
+ if isbool(value):
+ value = str(str2bool(value))
+ elif not value.isdigit():
+ value = '"%s"' % value
+ buf.write(option + "=" + value + os.linesep)
+ return buf.getvalue()
+
+ def output_php(selfi, encoding = "utf-8"):
+ """
+ Return variables as a PHP script.
+ """
+
+ buf = codecs.lookup(encoding)[3](StringIO())
+ buf.write("<?php" + os.linesep)
+ buf.writelines(["// " + line + os.linesep for line in self._header()])
+
+ for section in self.sections():
+ for (name,value) in self.items(section):
+ option = "%s_%s" % (section, name)
+ buf.write(os.linesep)
+ buf.write("// " + option + os.linesep)
+ if value is None:
+ value = 'NULL'
+ buf.write("define('%s', %s);" % (option, value) + os.linesep)
+
+ buf.write("?>" + os.linesep)
+
+ return buf.getvalue()
+
+ def output_xml(self, encoding = "utf-8"):
+ pass
+
+ def output_variables(self, encoding="utf-8"):
+ """
+ Return list of all variable names.
+ """
+
+ buf = codecs.lookup(encoding)[3](StringIO())
+ for section in self.sections():
+ for (name,value) in self.items(section):
+ option = "%s_%s" % (section,name)
+ buf.write(option + os.linesep)
+
+ return buf.getvalue()
+ pass
def write(self, filename=None):
if not filename:
def save(self, filename=None):
self.write(filename)
+
+ def get_trustedroots_dir(self):
+ return self.config_path + os.sep + 'trusted_roots'
+
+ def get_openflow_aggrMgr_info(self):
+ aggr_mgr_ip = 'localhost'
+ if (hasattr(self,'openflow_aggregate_manager_ip')):
+ aggr_mgr_ip = self.OPENFLOW_AGGREGATE_MANAGER_IP
+
+ aggr_mgr_port = 2603
+ if (hasattr(self,'openflow_aggregate_manager_port')):
+ aggr_mgr_port = self.OPENFLOW_AGGREGATE_MANAGER_PORT
+
+ return (aggr_mgr_ip,aggr_mgr_port)
+
+ def get_interface_hrn(self):
+ if (hasattr(self,'sfa_interface_hrn')):
+ return self.SFA_INTERFACE_HRN
+ else:
+ return "plc"
+
def __getattr__(self, attr):
return getattr(self.config, attr)