# vim: set encoding=utf-8 et sw=4 sts=4 :
-from os import path
+from formencode import validators as V
+from pymin.config import Option
+from handler import ProxyHandler
-from seqtools import Sequence
-from dispatcher import Handler, handler, HandlerError
-from services.util import Restorable, ConfigWriter
-from services.util import InitdHandler, TransactionalHandler
+def setup_service(options, config):
+ options.add_group('proxy', 'Proxy service', [
+ Option('pickle_dir', V.String, metavar='DIR',
+ help='store persistent data in DIR directory'),
+ Option('config_dir', V.String, metavar='DIR',
+ help='write config files in DIR directory'),
+ ])
-__ALL__ = ('ProxyHandler', 'Error', 'HostError', 'HostAlreadyExistsError',
- 'HostNotFoundError', 'ParameterError', 'ParameterNotFoundError')
+def get_service(config):
+ return ProxyHandler(config.proxy.pickle_dir, config.proxy.config_dir)
-class Error(HandlerError):
- r"""
- Error(command) -> Error instance :: Base DnsHandler exception class.
-
- All exceptions raised by the DnsHandler inherits from this one, so you can
- easily catch any DnsHandler exception.
-
- message - A descriptive error message.
- """
-
- def __init__(self, message):
- r"Initialize the Error object. See class documentation for more info."
- self.message = message
-
- def __str__(self):
- return self.message
-
-class HostError(Error, KeyError):
- r"""
- HostError(hostname) -> HostError instance
-
- This is the base exception for all host related errors.
- """
-
- def __init__(self, hostname):
- r"Initialize the object. See class documentation for more info."
- self.message = 'Host error: "%s"' % hostname
-
-class HostAlreadyExistsError(HostError):
- r"""
- HostAlreadyExistsError(hostname) -> HostAlreadyExistsError instance
-
- This exception is raised when trying to add a hostname that already exists.
- """
-
- def __init__(self, hostname):
- r"Initialize the object. See class documentation for more info."
- self.message = 'Host already exists: "%s"' % hostname
-
-class HostNotFoundError(HostError):
- r"""
- HostNotFoundError(hostname) -> HostNotFoundError instance
-
- This exception is raised when trying to operate on a hostname that doesn't
- exists.
- """
-
- def __init__(self, hostname):
- r"Initialize the object. See class documentation for more info."
- self.message = 'Host not found: "%s"' % hostname
-
-class ParameterError(Error, KeyError):
- r"""
- ParameterError(paramname) -> ParameterError instance
-
- This is the base exception for all DhcpHandler parameters related errors.
- """
-
- def __init__(self, paramname):
- r"Initialize the object. See class documentation for more info."
- self.message = 'Parameter error: "%s"' % paramname
-
-class ParameterNotFoundError(ParameterError):
- r"""
- ParameterNotFoundError(hostname) -> ParameterNotFoundError instance
-
- This exception is raised when trying to operate on a parameter that doesn't
- exists.
- """
-
- def __init__(self, paramname):
- r"Initialize the object. See class documentation for more info."
- self.message = 'Parameter not found: "%s"' % paramname
-
-class Host(Sequence):
-
- def __init__(self,ip):
- self.ip = ip
-
- def as_tuple(self):
- return (self.ip)
-
-class HostHandler(Handler):
-
- def __init__(self, hosts):
- self.hosts = hosts
-
- @handler(u'Adds a host')
- def add(self, ip):
- if ip in self.hosts:
- raise HostAlreadyExistsError(ip)
- self.hosts[ip] = Host(ip)
-
- @handler(u'Deletes a host')
- def delete(self, ip):
- if not ip in self.hosts:
- raise HostNotFoundError(ip)
- del self.hosts[ip]
-
- @handler(u'Shows all hosts')
- def list(self):
- return self.hosts.keys()
-
- @handler(u'Get information about all hosts')
- def show(self):
- return self.hosts.items()
-
-
-class ProxyHandler(Restorable, ConfigWriter, InitdHandler,
- TransactionalHandler):
-
- _initd_name = 'squid'
-
- _persistent_vars = ('vars', 'hosts')
-
- _restorable_defaults = dict(
- hosts = dict(),
- vars = dict(
- ip = '192.168.0.1',
- port = '8080',
- ),
- )
-
- _config_writer_files = 'squid.conf'
- _config_writer_tpl_dir = path.join(path.dirname(__file__), 'templates')
-
- def __init__(self, pickle_dir='.', config_dir='.'):
- r"Initialize DhcpHandler object, see class documentation for details."
- self._persistent_dir = pickle_dir
- self._config_writer_cfg_dir = config_dir
- self._config_build_templates()
- self._restore()
- self.host = HostHandler(self.hosts)
-
- def _get_config_vars(self, config_file):
- return dict(hosts=self.hosts.values(), **self.vars)
-
- @handler(u'Set a Proxy parameter')
- def set(self, param, value):
- r"set(param, value) -> None :: Set a Proxy parameter."
- if not param in self.vars:
- raise ParameterNotFoundError(param)
- self.vars[param] = value
-
- @handler(u'Get a DNS parameter')
- def get(self, param):
- r"get(param) -> None :: Get a Proxy parameter."
- if not param in self.vars:
- raise ParameterNotFoundError(param)
- return self.vars[param]
-
- @handler(u'List Proxy parameters')
- def list(self):
- return self.vars.keys()
-
- @handler(u'Get all Proxy parameters, with their values.')
- def show(self):
- return self.vars.values()
-
-
-if __name__ == '__main__':
-
- px = ProxyHandler()
- px.set('ip','192.66.66.66')
- px.set('port','666')
- px.host.add('192.168.0.25.25')
- px.host.add('192.168.0.25.26')
- px.host.add('192.168.0.25.27')
- px.host.delete('192.168.0.25.27')
- px.commit()
\ No newline at end of file
projects / software / pymin.git / blobdiff