#!/usr/bin/env python
# -*- Mode: python; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

from __future__ import print_function

import sys

import gi
from gi.repository import GLib

try:
    gi.require_version('NM', '1.0')
    from gi.repository import NM
except Exception as e:
    print("Cannot load gi.NM: %s" % (str(e)))
    sys.exit(77)

import os
import dbus
import dbus.service
import dbus.mainloop.glib
import random
import uuid
import hashlib
import socket
import collections

###############################################################################

_DEFAULT_ARG = object()

###############################################################################

class Global:
    pass

gl = None

###############################################################################

class TestError(AssertionError):
    def __init__(self, message = 'Unspecified error', errors = None):
        AssertionError.__init__(self, message)
        self.errors = errors

###############################################################################

class Util:

    PY3 = (sys.version_info[0] == 3)

    @staticmethod
    def g_source_remove(source_id):
        if source_id is not None:
            GLib.source_remove(source_id)

    @staticmethod
    def addr_family_check(family, allow_af_unspec = False):
        if family == socket.AF_INET:
            return
        if family == socket.AF_INET6:
            return
        if allow_af_unspec and family == socket.AF_UNSPEC:
            return
        raise TestError('invalid address family %s' % (family))

    @staticmethod
    def ip_addr_pton(addr, family=None):
        if addr is None:
            return (None, None)
        if family is not None and family is not socket.AF_UNSPEC:
            Util.addr_family_check(family)
            a = socket.inet_pton(family, addr)
        else:
            a = None
            family = None
            try:
                a = socket.inet_pton(socket.AF_INET, addr)
                family = socket.AF_INET
            except:
                a = socket.inet_pton(socket.AF_INET6, addr)
                family = socket.AF_INET6
        if Util.PY3:
            a = tuple([int(c) for c in a])
        else:
            a = tuple([ord(c) for c in a])
        return (a, family)

    @staticmethod
    def ip_addr_ntop(addr, family = None):
        if Util.PY3:
            a = bytes(addr)
        else:
            a = ''.join([chr(c) for c in addr])
        if len(a) == 4:
            f = socket.AF_INET
        elif len(a) == 16:
            f = socket.AF_INET6
        else:
            raise TestError("Invalid binary IP address '%s'" % (repr(addr)))
        if family is not None and f != family:
            raise TestError("Unexpected address family. Expected %s but ip address was %s" % (family, repr(addr)))
        return socket.inet_ntop(f, a)

    @staticmethod
    def ip_addr_norm(addr, family = None):
        a, family = Util.ip_addr_pton(addr, family)
        return (Util.ip_addr_ntop(a, family), family)

    @staticmethod
    def ip4_addr_ne32(addr):
        a, family = Util.ip_addr_pton(addr, socket.AF_INET)
        n = 0
        for i in range(4):
            n = (n << 8) + a[i]
        return socket.htonl(n)

    @staticmethod
    def ip6_addr_ay(addr):
        return Util.ip_addr_pton(addr, socket.AF_INET6)[0]

    @staticmethod
    def ip_net_parse(net, family = None):
        parts = net.split('/')
        if len(parts) != 2:
            raise TestError("Invalid IP network '%s' has not '/' for the prefix length" % (net))
        prefix = int(parts[1])
        addr, family = Util.ip_addr_norm(parts[0], family)
        if family == socket.AF_INET:
            if prefix < 0 or prefix > 32:
                raise TestError("Invalid prefix length for IPv4 address '%s'" % (net))
        else:
            if prefix < 0 or prefix > 128:
                raise TestError("Invalid prefix length for IPv4 address '%s'" % (net))
        return (addr, prefix, family)

    class RandomSeed():
        def __init__(self, seed):
            self.cnt = 0
            self.seed = str(seed)
        def _next(self):
            c = self.cnt
            self.cnt += 1
            return self.seed + '-' + str(c)
        @staticmethod
        def wrap(seed):
            if seed is None:
                return None
            if isinstance(seed, Util.RandomSeed):
                return seed
            return Util.RandomSeed(seed)
        @staticmethod
        def get(seed, extra_seed = None):
            if seed is None:
                return None
            if isinstance(seed, Util.RandomSeed):
                seed = seed._next()
            else:
                seed = str(seed)
            if extra_seed is None:
                try:
                    extra_seed = Util.RandomSeed._extra_seed
                except:
                    extra_seed = os.environ.get('NM_TEST_NETWORKMANAGER_SERVICE_SEED', '')
                    Util.RandomSeed._extra_seed = extra_seed
            return extra_seed + seed

    @staticmethod
    def random_stream(seed, length = None):
        seed = Util.RandomSeed.wrap(seed)
        # generates a stream of integers, in the range [0..255]
        if seed is None:
            # without a seed, we generate new random numbers.
            while length is None or length > 0:
                yield random.randint(0, 255)
                if length is not None:
                    length -= 1
            return
        v = None
        while length is None or length > 0:
            if not v:
                s = Util.RandomSeed.get(seed)
                s = s.encode('utf8')
                v = hashlib.sha256(s).hexdigest()
            yield int(v[0:2], 16)
            v = v[2:]
            if length is not None:
                length -= 1

    @staticmethod
    def random_int(seed, v_start = _DEFAULT_ARG, v_end = _DEFAULT_ARG):
        # - if neither start not end is give, return a number in the range
        #   u32 range [0, 0xFFFFFFFF]
        # - if only start is given (the first argument), interpret it as
        #   the range of the interval. That is, return random number in
        #   range [0, start-1]
        # - if end and start is given, return a random number with this
        #   range (inclusive!): [start, end]
        if v_end is _DEFAULT_ARG:
            # if only one edge is provided (no v_end), then the range
            # is [0, v_start[. That is, random_int(seed, 5), returns
            # values from 0 to 4.
            if v_start is _DEFAULT_ARG:
                # by default, return a 32u integer.
                v_end = 0x100000000
            else:
                v_end = v_start
            v_start = 0
        else:
            if v_start is _DEFAULT_ARG:
                raise TestError("Cannot specify end without start")
            # if a full range is provided, v_end is included.
            # random_int(seed, 0, 4) returns values from 0 to 4.
            v_end += 1
        n = 0
        span = v_end - v_start
        assert span > 0
        for r in Util.random_stream(seed):
            n = n * 256 + r
            if n > span:
                break
        return v_start + (n % span)

    @staticmethod
    def random_bool(seed):
        return Util.random_int(seed, 0, 1) == 1

    @staticmethod
    def random_subset(seed, all_set):
        all_set = list(all_set)
        result = []
        seed = Util.RandomSeed.wrap(seed)
        for i in list(range(Util.random_int(Util.RandomSeed.get(seed), len(all_set) + 1))):
            idx = Util.random_int(Util.RandomSeed.get(seed), len(all_set))
            result.append(all_set[idx])
            del all_set[idx]
        return result

    @staticmethod
    def random_mac(seed):
        return '%02X:%02X:%02X:%02X:%02X:%02X' % tuple(Util.random_stream(seed, 6))

    @staticmethod
    def random_ip(seed, net = None, family = None):
        if net is not None:
            mask, prefix, family = Util.ip_net_parse(net, family)
            a_mask, unused = Util.ip_addr_pton(mask, family)
        else:
            prefix = None
            Util.addr_family_check(family)
        if family == socket.AF_INET:
            l = 4
        else:
            l = 16
        a = tuple(Util.random_stream(seed, l))
        if prefix is not None:
            a2 = []
            for i in range(l):
                if prefix == 0:
                    c = a[i]
                elif prefix >= 8:
                    c = a_mask[i]
                    prefix -= 8
                else:
                    c = 0xFF & (0xFF << (8 - prefix))
                    c = (a[i] & ~c) | (a_mask[i] & c)
                    prefix = 0
                a2.append(c)
            a = tuple(a2)
        return (Util.ip_addr_ntop(a, family), family)

    @staticmethod
    def eprint(*args, **kwargs):
        print(*args, file=sys.stderr, **kwargs)

    @staticmethod
    def variant_from_dbus(val):
        if isinstance(val, (dbus.String, str)):
            return GLib.Variant('s', str(val))
        if isinstance(val, dbus.UInt32):
            return GLib.Variant('u', int(val))
        if isinstance(val, dbus.Boolean):
            return GLib.Variant('b', bool(val))
        if isinstance(val, dbus.Byte):
            return GLib.Variant('y', int(val))
        if isinstance(val, dbus.Array):
            try:
                if val.signature == 's':
                    return GLib.Variant('as', [Util.variant_from_dbus(x) for x in val])
                if val.signature == 'b':
                    return GLib.Variant('ab', [Util.variant_from_dbus(x) for x in val])
                if val.signature == 'y':
                    return GLib.Variant('ay', [int(x) for x in val])
                if val.signature == 'u':
                    return GLib.Variant('au', [Util.variant_from_dbus(x) for x in val])
                if val.signature == 'ay':
                    return GLib.Variant('aay', [Util.variant_from_dbus(x) for x in val])
                if val.signature == 'au':
                    return GLib.Variant('aau', [Util.variant_from_dbus(x) for x in val])
                if val.signature == 'a{sv}':
                    return GLib.Variant('aa{sv}', [collections.OrderedDict([(str(k), Util.variant_from_dbus(v)) for k, v in addr.items()]) for addr in val])
                if val.signature == '(ayuay)':
                    return GLib.Variant('a(ayuay)', [Util.variant_from_dbus(x) for x in val])
                if val.signature == '(ayuayu)':
                    return GLib.Variant('a(ayuayu)', [Util.variant_from_dbus(x) for x in val])
            except Exception as e:
                raise Exception("Cannot convert array element to type '%s': %s" % (val.signature, e.message))
        if isinstance(val, dbus.Dictionary):
            if val.signature == 'ss':
                return GLib.Variant('a{ss}', collections.OrderedDict([(str(k), str(v)) for k, v in val.items()]))
            if val.signature == 'sv':
                return GLib.Variant('a{sv}', collections.OrderedDict([(str(k), Util.variant_from_dbus(v)) for k, v in val.items()]))
            if val.signature == 'sa{sv}':
                c = collections.OrderedDict([
                          (str(key1),
                           collections.OrderedDict([(str(key2), Util.variant_from_dbus(arr2)) for key2, arr2 in arr1.items()])
                          ) for key1, arr1 in val.items()
                    ])
                return GLib.Variant('a{sa{sv}}', c)

        raise Exception("Unsupported type for value '%s'" % (repr(val)))

###############################################################################

IFACE_DBUS              = 'org.freedesktop.DBus'
IFACE_OBJECT_MANAGER    = 'org.freedesktop.DBus.ObjectManager'
IFACE_CONNECTION        = 'org.freedesktop.NetworkManager.Settings.Connection'
IFACE_DEVICE            = 'org.freedesktop.NetworkManager.Device'
IFACE_WIFI              = 'org.freedesktop.NetworkManager.Device.Wireless'
IFACE_WIMAX             = 'org.freedesktop.NetworkManager.Device.WiMax'
IFACE_TEST              = 'org.freedesktop.NetworkManager.LibnmGlibTest'
IFACE_NM                = 'org.freedesktop.NetworkManager'
IFACE_SETTINGS          = 'org.freedesktop.NetworkManager.Settings'
IFACE_AGENT_MANAGER     = 'org.freedesktop.NetworkManager.AgentManager'
IFACE_AGENT             = 'org.freedesktop.NetworkManager.SecretAgent'
IFACE_WIRED             = 'org.freedesktop.NetworkManager.Device.Wired'
IFACE_VLAN              = 'org.freedesktop.NetworkManager.Device.Vlan'
IFACE_WIFI_AP           = 'org.freedesktop.NetworkManager.AccessPoint'
IFACE_WIMAX_NSP         = 'org.freedesktop.NetworkManager.WiMax.Nsp'
IFACE_ACTIVE_CONNECTION = 'org.freedesktop.NetworkManager.Connection.Active'
IFACE_VPN_CONNECTION    = 'org.freedesktop.NetworkManager.VPN.Connection'
IFACE_DNS_MANAGER       = 'org.freedesktop.NetworkManager.DnsManager'
IFACE_IP4_CONFIG        = 'org.freedesktop.NetworkManager.IP4Config'
IFACE_IP6_CONFIG        = 'org.freedesktop.NetworkManager.IP6Config'
IFACE_DHCP4_CONFIG      = 'org.freedesktop.NetworkManager.DHCP4Config'
IFACE_DHCP6_CONFIG      = 'org.freedesktop.NetworkManager.DHCP6Config'

###############################################################################

class BusErr:

    class UnknownInterfaceException(dbus.DBusException):
        _dbus_error_name = IFACE_DBUS + '.UnknownInterface'

    class UnknownPropertyException(dbus.DBusException):
        _dbus_error_name = IFACE_DBUS + '.UnknownProperty'

    class InvalidPropertyException(dbus.DBusException):
        _dbus_error_name = IFACE_CONNECTION + '.InvalidProperty'

    class MissingPropertyException(dbus.DBusException):
        _dbus_error_name = IFACE_CONNECTION + '.MissingProperty'

    class InvalidSettingException(dbus.DBusException):
        _dbus_error_name = IFACE_CONNECTION + '.InvalidSetting'

    class MissingSettingException(dbus.DBusException):
        _dbus_error_name = IFACE_CONNECTION + '.MissingSetting'

    class NotSoftwareException(dbus.DBusException):
        _dbus_error_name = IFACE_DEVICE + '.NotSoftware'

    class ApNotFoundException(dbus.DBusException):
        _dbus_error_name = IFACE_WIFI + '.AccessPointNotFound'

    class NspNotFoundException(dbus.DBusException):
        _dbus_error_name = IFACE_WIMAX + '.NspNotFound'

    class PermissionDeniedException(dbus.DBusException):
        _dbus_error_name = IFACE_NM + '.PermissionDenied'

    class UnknownDeviceException(dbus.DBusException):
        _dbus_error_name = IFACE_NM + '.UnknownDevice'

    class UnknownConnectionException(dbus.DBusException):
        _dbus_error_name = IFACE_NM + '.UnknownConnection'

    class InvalidHostnameException(dbus.DBusException):
        _dbus_error_name = IFACE_SETTINGS + '.InvalidHostname'

    class NoSecretsException(dbus.DBusException):
        _dbus_error_name = IFACE_AGENT_MANAGER + '.NoSecrets'

    class UserCanceledException(dbus.DBusException):
        _dbus_error_name = IFACE_AGENT_MANAGER + '.UserCanceled'

    @staticmethod
    def from_nmerror(e):
        try:
            domain, code = (e.domain, e.code)
        except:
            return None
        if domain == GLib.quark_to_string(NM.ConnectionError.quark()):
            if code == NM.ConnectionError.MISSINGSETTING:
                return BusErr.MissingSettingException(e.message)
            if code == NM.ConnectionError.INVALIDPROPERTY:
                return BusErr.InvalidPropertyException(e.message)
        return None

    @staticmethod
    def raise_nmerror(e):
        e2 = BusErr.from_nmerror(e)
        if e2 is not None:
            raise e2
        raise e

###############################################################################

class NmUtil:

    @staticmethod
    def con_hash_to_connection(con_hash, do_verify = False, do_normalize = False):

        x_con = []
        for v_setting_name, v_setting in list(con_hash.items()):
            if isinstance(v_setting_name, (dbus.String, str)):
                v_setting_name = str(v_setting_name)
            else:
                raise Exception("Expected string dict, but got '%s' key" % (v_setting_name))
            x_setting = []
            for v_property_name, v_value in list(v_setting.items()):
                if isinstance(v_property_name, (dbus.String, str)):
                    v_property_name = str(v_property_name)
                else:
                    raise Exception("Expected string dict, but got '%s' subkey under %s (%s)" % (v_property_name, v_setting_name, repr(con_hash)))
                try:
                    v = Util.variant_from_dbus(v_value)
                except Exception as e:
                    raise Exception("Unsupported value %s.%s = %s (%s)" % (v_setting_name, v_property_name, v_value, str(e)))
                x_setting.append((v_property_name, v))

            x_con.append((v_setting_name, collections.OrderedDict(x_setting)))

        x_con = GLib.Variant('a{sa{sv}}', collections.OrderedDict(x_con))

        assert GLib.Variant.equal(x_con, Util.variant_from_dbus(con_hash))

        try:
            con = NM.SimpleConnection.new_from_dbus(x_con)
        except:
            if do_verify:
                raise
            return None

        if do_normalize:
            try:
                con.normalize()
            except:
                if do_verify:
                    raise

        if do_verify:
            con.verify()

        return con

    @staticmethod
    def con_hash_verify(con_hash, do_verify_strict = True):
        if NM.SETTING_CONNECTION_SETTING_NAME not in con_hash:
            raise BusErr.MissingSettingException('connection: setting is required')
        s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
        if NM.SETTING_CONNECTION_TYPE not in s_con:
            raise BusErr.MissingPropertyException('connection.type: property is required')
        if NM.SETTING_CONNECTION_UUID not in s_con:
            raise BusErr.MissingPropertyException('connection.uuid: property is required')
        if NM.SETTING_CONNECTION_ID not in s_con:
            raise BusErr.MissingPropertyException('connection.id: property is required')

        if not do_verify_strict:
            return;
        t = s_con[NM.SETTING_CONNECTION_TYPE]
        if t not in [ NM.SETTING_WIRED_SETTING_NAME,
                      NM.SETTING_WIRELESS_SETTING_NAME,
                      NM.SETTING_VLAN_SETTING_NAME,
                      NM.SETTING_WIMAX_SETTING_NAME,
                      NM.SETTING_VPN_SETTING_NAME ]:
            raise BusErr.InvalidPropertyException('connection.type: unsupported connection type "%s"' % (t))

        try:
            con_nm = NmUtil.con_hash_to_connection(con_hash, do_verify = True, do_normalize = True)
        except Exception as e:
            BusErr.raise_nmerror(e)

    @staticmethod
    def con_hash_get_id(con_hash):
        if NM.SETTING_CONNECTION_SETTING_NAME in con_hash:
            s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
            if NM.SETTING_CONNECTION_ID in s_con:
                return s_con[NM.SETTING_CONNECTION_ID]
        return None

    @staticmethod
    def con_hash_get_uuid(con_hash):
        if NM.SETTING_CONNECTION_SETTING_NAME in con_hash:
            s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
            if NM.SETTING_CONNECTION_UUID in s_con:
                return s_con[NM.SETTING_CONNECTION_UUID]
        return None

    @staticmethod
    def con_hash_get_type(con_hash):
        if NM.SETTING_CONNECTION_SETTING_NAME in con_hash:
            s_con = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]
            if NM.SETTING_CONNECTION_TYPE in s_con:
                return s_con[NM.SETTING_CONNECTION_TYPE]
        return None

###############################################################################

class ExportedObj(dbus.service.Object):

    DBusInterface = collections.namedtuple('DBusInterface', ['dbus_iface', 'props', 'legacy_prop_changed_func'])

    @staticmethod
    def create_path(klass, path_prefix = None):
        if path_prefix is None:
            path_prefix = klass.path_prefix
        path = path_prefix + str(klass.path_counter_next)
        klass.path_counter_next += 1
        return path

    @staticmethod
    def to_path_array(src):
        return dbus.Array([ExportedObj.to_path(o) for o in src] if src else [],
                          signature=dbus.Signature('o'))

    @staticmethod
    def to_path(src):
        if src:
            return dbus.ObjectPath(src.path)
        return dbus.ObjectPath("/")

    def __init__(self, object_path, ident = None):
        dbus.service.Object.__init__(self)

        self._dbus_ifaces = {}
        self.path = object_path

        # ident is an optional (unique) identifier for the instance.
        # The test driver may set it to reference to the object by
        # this identifier. For NetworkManager, the real ID of an
        # object on D-Bus is the object_path. But that is generated
        # by the stub server only after the test user created the
        # object. The ident parameter may be specified by the user
        # and thus can be hard-coded in the test.
        if ident is None:
            ident = object_path
        self.ident = ident

    def export(self):
        self.add_to_connection(gl.bus, self.path)
        gl.object_manager.add_object(self)

    def unexport(self):
        gl.object_manager.remove_object(self)
        self.remove_from_connection()

    def dbus_interface_add(self, dbus_iface, props, legacy_prop_changed_func = None):
        self._dbus_ifaces[dbus_iface] = ExportedObj.DBusInterface(dbus_iface, props, legacy_prop_changed_func)

    def _dbus_interface_get(self, dbus_iface):
        if dbus_iface not in self._dbus_ifaces:
            raise BusErr.UnknownInterfaceException()
        return self._dbus_ifaces[dbus_iface]

    def _dbus_interface_get_property(self, dbus_interface, propname = None):
        props = dbus_interface.props
        if propname is None:
            return props
        if propname not in props:
            raise BusErr.UnknownPropertyException()
        return props[propname]

    def _dbus_property_get(self, dbus_iface, propname = None):
        return self._dbus_interface_get_property(self._dbus_interface_get(dbus_iface),
                                                 propname)

    def _dbus_property_set(self, dbus_iface, propname, value, allow_detect_dbus_iface = False, dry_run = False, force_update = False):
        if allow_detect_dbus_iface and not dbus_iface:
            props = None
            for p, dbus_interface in self._dbus_ifaces.items():
                if propname in dbus_interface.props:
                    if props is not None:
                        raise TestError("Cannot uniquely find the property '%s' on object '%s'" % (propname, self.path))
                    props = dbus_interface.props
                    dbus_iface = p
            if props is None:
                raise TestError("Cannot find the property '%s' on object '%s'" % (propname, self.path))
        else:
            try:
                dbus_interface = self._dbus_interface_get(dbus_iface)
                props = self._dbus_interface_get_property(dbus_interface)
            except:
                if dry_run:
                    raise TestError("No interface '%s' on '%s'" % (dbus_iface, self.path))
                raise

        if dry_run:
            if propname not in props:
                raise TestError("No property '%s' on '%s' on '%s'" % (propname, dbus_iface, self.path))

            permission_granted = False

            if isinstance(self, ActiveConnection):
                if dbus_iface == IFACE_ACTIVE_CONNECTION:
                    if propname == PRP_ACTIVE_CONNECTION_STATE:
                        permission_granted = True
                elif dbus_iface == IFACE_VPN_CONNECTION:
                    if propname == PRP_VPN_CONNECTION_VPN_STATE:
                        permission_granted = True

            if not permission_granted:
                raise TestError("Cannot set property '%s' on '%s' on '%s' via D-Bus" % (propname, dbus_iface, self.path))

            return

        assert propname in props

        if not force_update:
            if props[propname] == value:
                return

        props[propname] = value
        self._dbus_property_notify(dbus_iface, propname)

    def _dbus_property_notify(self, dbus_iface, propname):
        dbus_interface = self._dbus_interface_get(dbus_iface)
        prop = self._dbus_interface_get_property(dbus_interface, propname)
        if propname is not None:
            prop = { propname: prop }
        ExportedObj.PropertiesChanged(self, dbus_iface, prop, [])

        # the legacy_prop_changed_func signal is a legacy signal that got obsoleted by the standard
        # PropertiesChanged signal. NetworkManager (and this stub) still emit it for backward
        # compatibility reasons. Note that this stub server implementation gets this wrong,
        # for example, it emits PropertiesChanged signal on org.freedesktop.NetworkManager.Device,
        # which NetworkManager never did.
        # See https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/src/nm-dbus-manager.c?id=db80d5f62a1edf39c5970887ef7b9ec62dd4163f#n1274
        if dbus_interface.legacy_prop_changed_func is not None:
            dbus_interface.legacy_prop_changed_func(self, prop)

    @dbus.service.signal(dbus.PROPERTIES_IFACE, signature='sa{sv}as')
    def PropertiesChanged(self, iface, changed, invalidated):
        pass

    @dbus.service.method(dbus_interface=dbus.PROPERTIES_IFACE, in_signature='s', out_signature='a{sv}')
    def GetAll(self, dbus_iface):
        return self._dbus_property_get(dbus_iface)

    @dbus.service.method(dbus_interface=dbus.PROPERTIES_IFACE, in_signature='ss', out_signature='v')
    def Get(self, dbus_iface, name):
        return self._dbus_property_get(dbus_iface, name)

    def get_managed_ifaces(self):
        my_ifaces = {}
        for iface in self._dbus_ifaces:
            my_ifaces[iface] = self._dbus_ifaces[iface].props
        return my_ifaces

###############################################################################

PRP_DEVICE_UDI                   = "Udi"
PRP_DEVICE_IFACE                 = "Interface"
PRP_DEVICE_DRIVER                = "Driver"
PRP_DEVICE_STATE                 = "State"
PRP_DEVICE_ACTIVE_CONNECTION     = "ActiveConnection"
PRP_DEVICE_IP4_CONFIG            = "Ip4Config"
PRP_DEVICE_IP6_CONFIG            = "Ip6Config"
PRP_DEVICE_DHCP4_CONFIG          = "Dhcp4Config"
PRP_DEVICE_DHCP6_CONFIG          = "Dhcp6Config"
PRP_DEVICE_MANAGED               = "Managed"
PRP_DEVICE_AUTOCONNECT           = "Autoconnect"
PRP_DEVICE_DEVICE_TYPE           = "DeviceType"
PRP_DEVICE_AVAILABLE_CONNECTIONS = "AvailableConnections"

class Device(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/Devices/"

    def __init__(self, iface, devtype, ident = None):

        if ident is None:
            ident = iface

        ExportedObj.__init__(self, ExportedObj.create_path(Device), ident)

        self.ip4_config = None
        self.ip6_config = None
        self.dhcp4_config = None
        self.dhcp6_config = None

        props = {
            PRP_DEVICE_UDI:                   "/sys/devices/virtual/%s" % (iface),
            PRP_DEVICE_IFACE:                 iface,
            PRP_DEVICE_DRIVER:                "virtual",
            PRP_DEVICE_STATE:                 dbus.UInt32(NM.DeviceState.UNAVAILABLE),
            PRP_DEVICE_ACTIVE_CONNECTION:     ExportedObj.to_path(None),
            PRP_DEVICE_IP4_CONFIG:            ExportedObj.to_path(self.ip4_config),
            PRP_DEVICE_IP6_CONFIG:            ExportedObj.to_path(self.ip6_config),
            PRP_DEVICE_DHCP4_CONFIG:          ExportedObj.to_path(self.dhcp4_config),
            PRP_DEVICE_DHCP6_CONFIG:          ExportedObj.to_path(self.dhcp6_config),
            PRP_DEVICE_MANAGED:               True,
            PRP_DEVICE_AUTOCONNECT:           True,
            PRP_DEVICE_DEVICE_TYPE:           dbus.UInt32(devtype),
            PRP_DEVICE_AVAILABLE_CONNECTIONS: ExportedObj.to_path_array([]),
        }

        self.dbus_interface_add(IFACE_DEVICE, props, Device.PropertiesChanged)

    def start(self):
        self.ip4_config = IP4Config()
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_IP4_CONFIG, ExportedObj.to_path(self.ip4_config))
        self.ip6_config = IP6Config()
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_IP6_CONFIG, ExportedObj.to_path(self.ip6_config))
        self.dhcp4_config = Dhcp4Config()
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_DHCP4_CONFIG, ExportedObj.to_path(self.dhcp4_config))
        self.dhcp6_config = Dhcp6Config()
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_DHCP6_CONFIG, ExportedObj.to_path(self.dhcp6_config))

    def stop(self):
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_IP4_CONFIG, ExportedObj.to_path(None))
        if self.ip4_config is not None:
            self.ip4_config.unexport()
            self.ip4_config = None
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_IP6_CONFIG, ExportedObj.to_path(None))
        if self.ip6_config is not None:
            self.ip6_config.unexport()
            self.ip6_config = None
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_DHCP4_CONFIG, ExportedObj.to_path(None))
        if self.dhcp4_config is not None:
            self.dhcp4_config.unexport()
            self.dhcp4_config = None
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_DHCP6_CONFIG, ExportedObj.to_path(None))
        if self.dhcp6_config is not None:
            self.dhcp6_config.unexport()
            self.dhcp6_config = None

    @dbus.service.method(dbus_interface=IFACE_DEVICE, in_signature='', out_signature='')
    def Disconnect(self):
        pass

    @dbus.service.method(dbus_interface=IFACE_DEVICE, in_signature='', out_signature='')
    def Delete(self):
        # We don't currently support any software device types, so...
        raise BusErr.NotSoftwareException()
        pass

    @dbus.service.signal(IFACE_DEVICE, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

    def set_active_connection(self, ac):
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_ACTIVE_CONNECTION, ac)

    def connection_is_available(self, con_inst):
        if con_inst.is_vpn():
            return False
        if isinstance(self, WiredDevice):
            if con_inst.get_type() == NM.SETTING_WIRED_SETTING_NAME:
                return True
        elif isinstance(self, WifiDevice):
            if con_inst.get_type() == NM.SETTING_WIRELESS_SETTING_NAME:
                return True
        return False

    def available_connections_get(self):
        return [c for c in gl.settings.get_connections() if self.connection_is_available(c)]

    def available_connections_update(self):
        self._dbus_property_set(IFACE_DEVICE, PRP_DEVICE_AVAILABLE_CONNECTIONS,
                                ExportedObj.to_path_array(self.available_connections_get()))

###############################################################################

PRP_WIRED_HW_ADDRESS       = "HwAddress"
PRP_WIRED_PERM_HW_ADDRESS  = "PermHwAddress"
PRP_WIRED_SPEED            = "Speed"
PRP_WIRED_CARRIER          = "Carrier"
PRP_WIRED_S390_SUBCHANNELS = "S390Subchannels"

class WiredDevice(Device):
    def __init__(self, iface, mac = None, subchannels = None, ident = None):
        Device.__init__(self, iface, NM.DeviceType.ETHERNET, ident)

        if mac is None:
            mac = Util.random_mac(self.ident)
        if subchannels is None:
            subchannels = dbus.Array(signature = 's')

        props = {
            PRP_WIRED_HW_ADDRESS:       mac,
            PRP_WIRED_PERM_HW_ADDRESS:  mac,
            PRP_WIRED_SPEED:            dbus.UInt32(100),
            PRP_WIRED_CARRIER:          False,
            PRP_WIRED_S390_SUBCHANNELS: subchannels,
        }

        self.dbus_interface_add(IFACE_WIRED, props, WiredDevice.PropertiesChanged)

    @dbus.service.signal(IFACE_WIRED, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

###############################################################################

PRP_VLAN_HW_ADDRESS = "HwAddress"
PRP_VLAN_CARRIER    = "Carrier"
PRP_VLAN_VLAN_ID    = "VlanId"

class VlanDevice(Device):
    def __init__(self, iface, ident = None):
        Device.__init__(self, iface, NM.DeviceType.VLAN, ident)

        props = {
            PRP_VLAN_HW_ADDRESS: Util.random_mac(self.ident),
            PRP_VLAN_CARRIER:    False,
            PRP_VLAN_VLAN_ID:    dbus.UInt32(1),
        }

        self.dbus_interface_add(IFACE_VLAN, props, VlanDevice.PropertiesChanged)

    @dbus.service.signal(IFACE_VLAN, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

###############################################################################

PRP_WIFI_AP_FLAGS       = "Flags"
PRP_WIFI_AP_WPA_FLAGS   = "WpaFlags"
PRP_WIFI_AP_RSN_FLAGS   = "RsnFlags"
PRP_WIFI_AP_SSID        = "Ssid"
PRP_WIFI_AP_FREQUENCY   = "Frequency"
PRP_WIFI_AP_HW_ADDRESS  = "HwAddress"
PRP_WIFI_AP_MODE        = "Mode"
PRP_WIFI_AP_MAX_BITRATE = "MaxBitrate"
PRP_WIFI_AP_STRENGTH    = "Strength"
PRP_WIFI_AP_LAST_SEEN   = "LastSeen"

class WifiAp(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/AccessPoint/"

    def __init__(self, ssid, bssid = None, flags = None, wpaf = None, rsnf = None, freq = None, strength = None, ident = None):

        ExportedObj.__init__(self, ExportedObj.create_path(WifiAp), ident)

        if flags is None:
            flags = 0x1
        if wpaf is None:
            wpaf = 0x1cc
        if rsnf is None:
            rsnf = 0x1cc
        if freq is None:
            freq = 2412
        if bssid is None:
            bssid = Util.random_mac(self.path)
        if strength is None:
            strength = Util.random_int(self.path, 100)

        self.ssid = ssid

        props = {
            PRP_WIFI_AP_FLAGS:       dbus.UInt32(flags),
            PRP_WIFI_AP_WPA_FLAGS:   dbus.UInt32(wpaf),
            PRP_WIFI_AP_RSN_FLAGS:   dbus.UInt32(rsnf),
            PRP_WIFI_AP_SSID:        dbus.ByteArray(self.ssid.encode('utf-8')),
            PRP_WIFI_AP_FREQUENCY:   dbus.UInt32(freq),
            PRP_WIFI_AP_HW_ADDRESS:  bssid,
            PRP_WIFI_AP_MODE:        dbus.UInt32(getattr(NM,'80211Mode').INFRA),
            PRP_WIFI_AP_MAX_BITRATE: dbus.UInt32(54000),
            PRP_WIFI_AP_STRENGTH:    dbus.Byte(strength),
            PRP_WIFI_AP_LAST_SEEN:   dbus.Int32(NM.utils_get_timestamp_msec() / 1000),
        }

        self.dbus_interface_add(IFACE_WIFI_AP, props, WifiAp.PropertiesChanged)

    @dbus.service.signal(IFACE_WIFI_AP, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

###############################################################################

PRP_WIFI_HW_ADDRESS = "HwAddress"
PRP_WIFI_PERM_HW_ADDRESS = "PermHwAddress"
PRP_WIFI_MODE = "Mode"
PRP_WIFI_BITRATE = "Bitrate"
PRP_WIFI_ACCESS_POINTS = "AccessPoints"
PRP_WIFI_ACTIVE_ACCESS_POINT = "ActiveAccessPoint"
PRP_WIFI_WIRELESS_CAPABILITIES = "WirelessCapabilities"
PRP_WIFI_LAST_SCAN = "LastScan"

class WifiDevice(Device):
    def __init__(self, iface, mac = None, ident = None):
        Device.__init__(self, iface, NM.DeviceType.WIFI, ident)

        if mac is None:
            mac = Util.random_mac(self.ident)

        self.aps = []
        self.scan_cb_id = None

        # Note: we would like to simulate how nmcli calls RequestScan() and we could
        # do so by using an older timestamp. However, that makes the client tests
        # racy, because if a bunch of nmcli instances run in parallel against this
        # service, earlier instances will issue a RequestScan(), while later instances
        # won't do that (because the LastScan timestamp is already updated). That means,
        # the later instances will print the scan result immediately, and in another sort
        # order. That should be fixed, by nmcli not starting to print anything, before
        # all RequestScan() requests complete, and thus, always print a consistent list
        # of results.
        ts = NM.utils_get_timestamp_msec()

        props = {
            PRP_WIFI_HW_ADDRESS:            mac,
            PRP_WIFI_PERM_HW_ADDRESS:       mac,
            PRP_WIFI_MODE:                  dbus.UInt32(getattr(NM,'80211Mode').INFRA),
            PRP_WIFI_BITRATE:               dbus.UInt32(21000),
            PRP_WIFI_WIRELESS_CAPABILITIES: dbus.UInt32(0xFF),
            PRP_WIFI_ACCESS_POINTS:         ExportedObj.to_path_array(self.aps),
            PRP_WIFI_ACTIVE_ACCESS_POINT:   ExportedObj.to_path(None),
            PRP_WIFI_LAST_SCAN:             dbus.Int64(ts),
        }

        self.dbus_interface_add(IFACE_WIFI, props, WifiDevice.PropertiesChanged)

    @dbus.service.method(dbus_interface=IFACE_WIFI, in_signature='', out_signature='ao')
    def GetAccessPoints(self):
        # only include non-hidden APs
        return ExportedObj.to_path_array([a for a in self.aps if a.ssid])

    @dbus.service.method(dbus_interface=IFACE_WIFI, in_signature='', out_signature='ao')
    def GetAllAccessPoints(self):
        # include all APs including hidden ones
        return ExportedObj.to_path_array(self.aps)

    @dbus.service.method(dbus_interface=IFACE_WIFI, in_signature='a{sv}', out_signature='')
    def RequestScan(self, props):
        self.scan_cb_id = Util.g_source_remove(self.scan_cb_id)
        def cb():
            ts = NM.utils_get_timestamp_msec()
            for ap in self.aps:
                ap._dbus_property_set(IFACE_WIFI_AP, PRP_WIFI_AP_LAST_SEEN, dbus.Int32(ts / 1000))
            self._dbus_property_set(IFACE_WIFI, PRP_WIFI_LAST_SCAN, dbus.Int64(ts))
            self.scan_cb_id = None
            return False
        self.scan_cb_id = GLib.idle_add(cb)
        pass

    @dbus.service.signal(IFACE_WIFI, signature='o')
    def AccessPointAdded(self, ap_path):
        pass

    def add_ap(self, ap):
        ap.export()
        self.aps.append(ap)
        self._dbus_property_set(IFACE_WIFI, PRP_WIFI_ACCESS_POINTS, ExportedObj.to_path_array(self.aps))
        self.AccessPointAdded(ExportedObj.to_path(ap))
        return ap

    def remove_ap(self, ap):
        self.aps.remove(ap)
        self._dbus_property_set(IFACE_WIFI, PRP_WIFI_ACCESS_POINTS, ExportedObj.to_path_array(self.aps))
        self.AccessPointRemoved(ExportedObj.to_path(ap))
        ap.unexport()

    def stop(self):
        self.scan_cb_id = Util.g_source_remove(self.scan_cb_id)
        super(WifiDevice, self).stop()

    @dbus.service.signal(IFACE_WIFI, signature='o')
    def AccessPointRemoved(self, ap_path):
        pass

    @dbus.service.signal(IFACE_WIFI, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

    def remove_ap_by_path(self, path):
        for ap in self.aps:
            if ap.path == path:
                self.remove_ap(ap)
                return
        raise BusErr.ApNotFoundException("AP %s not found" % path)


###############################################################################

PRP_WIMAX_NSP_NAME = "Name"
PRP_WIMAX_NSP_SIGNAL_QUALITY = "SignalQuality"
PRP_WIMAX_NSP_NETWORK_TYPE = "NetworkType"

class WimaxNsp(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/Nsp/"

    def __init__(self, name):

        ExportedObj.__init__(self, ExportedObj.create_path(WimaxNsp))

        strength = Util.random_int(self.path, 100)

        props = {
            PRP_WIMAX_NSP_NAME:           name,
            PRP_WIMAX_NSP_SIGNAL_QUALITY: dbus.UInt32(strength),
            PRP_WIMAX_NSP_NETWORK_TYPE:   dbus.UInt32(NM.WimaxNspNetworkType.HOME),
        }

        self.dbus_interface_add(IFACE_WIMAX_NSP, props, WimaxNsp.PropertiesChanged)

    @dbus.service.signal(IFACE_WIMAX_NSP, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

###############################################################################

PRP_WIMAX_NSPS = "Nsps"
PRP_WIMAX_HW_ADDRESS = "HwAddress"
PRP_WIMAX_CENTER_FREQUENCY = "CenterFrequency"
PRP_WIMAX_RSSI = "Rssi"
PRP_WIMAX_CINR = "Cinr"
PRP_WIMAX_TX_POWER = "TxPower"
PRP_WIMAX_BSID = "Bsid"
PRP_WIMAX_ACTIVE_NSP = "ActiveNsp"

class WimaxDevice(Device):
    def __init__(self, iface, ident = None):
        Device.__init__(self, iface, NM.DeviceType.WIMAX, ident)

        mac = Util.random_mac(self.ident)
        bsid = Util.random_mac(self.ident + '.bsid')

        self.nsps = []

        props = {
            PRP_WIMAX_HW_ADDRESS:       mac,
            PRP_WIMAX_CENTER_FREQUENCY: dbus.UInt32(2525),
            PRP_WIMAX_RSSI:             dbus.Int32(-48),
            PRP_WIMAX_CINR:             dbus.Int32(24),
            PRP_WIMAX_TX_POWER:         dbus.Int32(9),
            PRP_WIMAX_BSID:             bsid,
            PRP_WIMAX_NSPS:             ExportedObj.to_path_array(self.nsps),
            PRP_WIMAX_ACTIVE_NSP:       ExportedObj.to_path(None),
        }

        self.dbus_interface_add(IFACE_WIMAX, props, WimaxDevice.PropertiesChanged)

    @dbus.service.method(dbus_interface=IFACE_WIMAX, in_signature='', out_signature='ao')
    def GetNspList(self):
        return ExportedObj.to_path_array(self.nsps)

    @dbus.service.signal(IFACE_WIMAX, signature='o')
    def NspAdded(self, nsp_path):
        pass

    def add_nsp(self, nsp):
        nsp.export()
        self.nsps.append(nsp)
        self._dbus_property_set(IFACE_WIMAX, PRP_WIMAX_NSPS, ExportedObj.to_path_array(self.nsps))
        self.NspAdded(ExportedObj.to_path(nsp))

    def remove_nsp(self, nsp):
        self.nsps.remove(nsp)
        self._dbus_property_set(IFACE_WIMAX, PRP_WIMAX_NSPS, ExportedObj.to_path_array(self.nsps))
        self.NspRemoved(ExportedObj.to_path(nsp))
        nsp.unexport()

    @dbus.service.signal(IFACE_WIMAX, signature='o')
    def NspRemoved(self, nsp_path):
        pass

    @dbus.service.signal(IFACE_WIMAX, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

    def add_test_nsp(self, name):
        nsp = WimaxNsp(name)
        self.add_nsp(nsp)
        return nsp

    def remove_nsp_by_path(self, path):
        for nsp in self.nsps:
            if nsp.path == path:
                self.remove_nsp(nsp)
                return
        raise BusErr.NspNotFoundException("NSP %s not found" % path)

###############################################################################

PRP_ACTIVE_CONNECTION_CONNECTION = "Connection"
PRP_ACTIVE_CONNECTION_SPECIFIC_OBJECT = "SpecificObject"
PRP_ACTIVE_CONNECTION_ID = "Id"
PRP_ACTIVE_CONNECTION_UUID = "Uuid"
PRP_ACTIVE_CONNECTION_TYPE = "Type"
PRP_ACTIVE_CONNECTION_DEVICES = "Devices"
PRP_ACTIVE_CONNECTION_STATE = "State"
PRP_ACTIVE_CONNECTION_DEFAULT = "Default"
PRP_ACTIVE_CONNECTION_IP4CONFIG = "Ip4Config"
PRP_ACTIVE_CONNECTION_DHCP4CONFIG = "Dhcp4Config"
PRP_ACTIVE_CONNECTION_DEFAULT6 = "Default6"
PRP_ACTIVE_CONNECTION_IP6CONFIG = "Ip6Config"
PRP_ACTIVE_CONNECTION_DHCP6CONFIG = "Dhcp6Config"
PRP_ACTIVE_CONNECTION_VPN = "Vpn"
PRP_ACTIVE_CONNECTION_MASTER = "Master"

PRP_VPN_CONNECTION_VPN_STATE = 'VpnState'
PRP_VPN_CONNECTION_BANNER    = 'Banner'

class ActiveConnection(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/ActiveConnection/"

    def __init__(self, device, con_inst, specific_object):

        ExportedObj.__init__(self, ExportedObj.create_path(ActiveConnection))

        self.device = device
        self.con_inst = con_inst
        self.is_vpn = con_inst.is_vpn()

        self._activation_id = None

        s_con = con_inst.con_hash[NM.SETTING_CONNECTION_SETTING_NAME]

        props = {
            PRP_ACTIVE_CONNECTION_CONNECTION:      ExportedObj.to_path(con_inst),
            PRP_ACTIVE_CONNECTION_SPECIFIC_OBJECT: ExportedObj.to_path(specific_object),
            PRP_ACTIVE_CONNECTION_ID:              s_con[NM.SETTING_CONNECTION_ID],
            PRP_ACTIVE_CONNECTION_UUID:            s_con[NM.SETTING_CONNECTION_UUID],
            PRP_ACTIVE_CONNECTION_TYPE:            s_con[NM.SETTING_CONNECTION_TYPE],
            PRP_ACTIVE_CONNECTION_DEVICES:         ExportedObj.to_path_array([self.device]),
            PRP_ACTIVE_CONNECTION_STATE:           dbus.UInt32(NM.ActiveConnectionState.UNKNOWN),
            PRP_ACTIVE_CONNECTION_DEFAULT:         False,
            PRP_ACTIVE_CONNECTION_IP4CONFIG:       ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_DHCP4CONFIG:     ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_DEFAULT6:        False,
            PRP_ACTIVE_CONNECTION_IP6CONFIG:       ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_DHCP6CONFIG:     ExportedObj.to_path(None),
            PRP_ACTIVE_CONNECTION_VPN:             self.is_vpn,
            PRP_ACTIVE_CONNECTION_MASTER:          ExportedObj.to_path(None),
        }

        self.dbus_interface_add(IFACE_ACTIVE_CONNECTION, props, ActiveConnection.PropertiesChanged)

        if self.is_vpn:
            props = {
                PRP_VPN_CONNECTION_VPN_STATE: dbus.UInt32(NM.VpnConnectionState.UNKNOWN),
                PRP_VPN_CONNECTION_BANNER:    '*** VPN connection %s ***' % (con_inst.get_id()),
            }

            self.dbus_interface_add(IFACE_VPN_CONNECTION, props, ActiveConnection.VpnPropertiesChanged)


    def _set_state(self, state, reason):
        state = dbus.UInt32(state)
        self._dbus_property_set(IFACE_ACTIVE_CONNECTION, PRP_ACTIVE_CONNECTION_STATE, state)
        self.StateChanged(state, dbus.UInt32(reason))

    def activation_cancel(self):
        self._activation_id = Util.g_source_remove(self._activation_id)

    def _activation_step2(self):
        assert self._activation_id is not None
        self._activation_id = None
        self._set_state(NM.ActiveConnectionState.ACTIVATED, NM.ActiveConnectionStateReason.UNKNOWN)
        return False

    def _activation_step1(self):
        assert self._activation_id is not None
        self._activation_id = GLib.timeout_add(50, self._activation_step2)
        self.device.set_active_connection(self)
        self._set_state(NM.ActiveConnectionState.ACTIVATING, NM.ActiveConnectionStateReason.UNKNOWN)
        return False

    def start_activation(self):
        assert self._activation_id is None
        self._activation_id = GLib.timeout_add(50, self._activation_step1)

    @dbus.service.signal(IFACE_VPN_CONNECTION, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass
    VpnPropertiesChanged = PropertiesChanged

    @dbus.service.signal(IFACE_ACTIVE_CONNECTION, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

    @dbus.service.signal(IFACE_ACTIVE_CONNECTION, signature='uu')
    def StateChanged(self, state, reason):
        pass

    @dbus.service.signal(IFACE_VPN_CONNECTION, signature='uu')
    def VpnStateChanged(self, state, reason):
        pass

###############################################################################

PRP_NM_DEVICES                   = 'Devices'
PRP_NM_ALL_DEVICES               = 'AllDevices'
PRP_NM_NETWORKING_ENABLED        = 'NetworkingEnabled'
PRP_NM_WWAN_ENABLED              = 'WwanEnabled'
PRP_NM_WWAN_HARDWARE_ENABLED     = 'WwanHardwareEnabled'
PRP_NM_WIRELESS_ENABLED          = 'WirelessEnabled'
PRP_NM_WIRELESS_HARDWARE_ENABLED = 'WirelessHardwareEnabled'
PRP_NM_WIMAX_ENABLED             = 'WimaxEnabled'
PRP_NM_WIMAX_HARDWARE_ENABLED    = 'WimaxHardwareEnabled'
PRP_NM_ACTIVE_CONNECTIONS        = 'ActiveConnections'
PRP_NM_PRIMARY_CONNECTION        = 'PrimaryConnection'
PRP_NM_ACTIVATING_CONNECTION     = 'ActivatingConnection'
PRP_NM_STARTUP                   = 'Startup'
PRP_NM_STATE                     = 'State'
PRP_NM_VERSION                   = 'Version'
PRP_NM_CONNECTIVITY              = 'Connectivity'

class NetworkManager(ExportedObj):
    def __init__(self):
        ExportedObj.__init__(self, "/org/freedesktop/NetworkManager")
        self.devices = []
        self.active_connections = []

        props = {
            PRP_NM_DEVICES:                   ExportedObj.to_path_array(self.devices),
            PRP_NM_ALL_DEVICES:               ExportedObj.to_path_array(self.devices),
            PRP_NM_NETWORKING_ENABLED:        True,
            PRP_NM_WWAN_ENABLED:              True,
            PRP_NM_WWAN_HARDWARE_ENABLED:     True,
            PRP_NM_WIRELESS_ENABLED:          True,
            PRP_NM_WIRELESS_HARDWARE_ENABLED: True,
            PRP_NM_WIMAX_ENABLED:             True,
            PRP_NM_WIMAX_HARDWARE_ENABLED:    True,
            PRP_NM_ACTIVE_CONNECTIONS:        ExportedObj.to_path_array(self.active_connections),
            PRP_NM_PRIMARY_CONNECTION:        ExportedObj.to_path(None),
            PRP_NM_ACTIVATING_CONNECTION:     ExportedObj.to_path(None),
            PRP_NM_STARTUP:                   False,
            PRP_NM_STATE:                     dbus.UInt32(NM.State.DISCONNECTED),
            PRP_NM_VERSION:                   "0.9.9.0",
            PRP_NM_CONNECTIVITY:              dbus.UInt32(NM.ConnectivityState.NONE),
        }

        self.dbus_interface_add(IFACE_NM, props, NetworkManager.PropertiesChanged)
        self.export()

    @dbus.service.signal(IFACE_NM, signature='u')
    def StateChanged(self, new_state):
        pass

    def set_state(self, new_state):
        self._dbus_property_set(IFACE_NM, PRP_NM_STATE, state)
        self.StateChanged(dbus.UInt32(self.state))

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='', out_signature='ao')
    def GetDevices(self):
        return ExportedObj.to_path_array(self.devices)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='', out_signature='ao')
    def GetAllDevices(self):
        return ExportedObj.to_path_array(self.devices)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='s', out_signature='o')
    def GetDeviceByIpIface(self, ip_iface):
        d = self.find_device_first(ip_iface = ip_iface, require = BusErr.UnknownDeviceException)
        return ExportedObj.to_path(d)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='ooo', out_signature='o')
    def ActivateConnection(self, conpath, devpath, specific_object):
        try:
            con_inst = gl.settings.get_connection(conpath)
        except Exception as e:
            raise BusErr.UnknownConnectionException("Connection not found")

        con_hash = con_inst.con_hash
        con_type = NmUtil.con_hash_get_type(con_hash)

        device = self.find_device_first(path = devpath)
        if not device:
            if con_type == NM.SETTING_WIRED_SETTING_NAME:
                device = self.find_device_first(dev_type = WiredDevice)
            elif con_type == NM.SETTING_WIRELESS_SETTING_NAME:
                device = self.find_device_first(dev_type = WifiDevice)
            elif con_type == NM.SETTING_VLAN_SETTING_NAME:
                ifname = con_hash[NM.SETTING_CONNECTION_SETTING_NAME]['interface-name']
                device = VlanDevice(ifname)
                self.add_device(device)
            elif con_type == NM.SETTING_VPN_SETTING_NAME:
                for ac in self.active_connections:
                    if ac.is_vpn:
                        continue
                    if ac.device:
                        device = ac.device
                        break

        if not device:
            raise BusErr.UnknownDeviceException("No device found for the requested iface.")

        # See if we need secrets. For the moment, we only support WPA
        if '802-11-wireless-security' in con_hash:
            s_wsec = con_hash['802-11-wireless-security']
            if (s_wsec['key-mgmt'] == 'wpa-psk' and 'psk' not in s_wsec):
                secrets = gl.agent_manager.get_secrets(con_hash, conpath, '802-11-wireless-security')
                if secrets is None:
                    raise BusErr.NoSecretsException("No secret agent available")
                if '802-11-wireless-security' not in secrets:
                    raise BusErr.NoSecretsException("No secrets provided")
                s_wsec = secrets['802-11-wireless-security']
                if 'psk' not in s_wsec:
                    raise BusErr.NoSecretsException("No secrets provided")

        ac = ActiveConnection(device, con_inst, None)
        self.active_connection_add(ac)

        if NmUtil.con_hash_get_id(con_hash) == 'object-creation-failed-test':
            # FIXME: this is not the right test, to delete the active-connection
            # before returning it. It's the wrong order of what NetworkManager
            # would do.
            self.active_connection_remove(ac)
            return ExportedObj.to_path(ac)

        return ExportedObj.to_path(ac)

    def active_connection_add(self, ac):
        ac.export()
        self.active_connections.append(ac)
        self._dbus_property_set(IFACE_NM, PRP_NM_ACTIVE_CONNECTIONS, ExportedObj.to_path_array(self.active_connections))
        ac.start_activation()

    def active_connection_remove(self, ac):
        ac.activation_cancel()
        self.active_connections.remove(ac)
        self._dbus_property_set(IFACE_NM, PRP_NM_ACTIVE_CONNECTIONS, ExportedObj.to_path_array(self.active_connections))
        ac.unexport()

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='a{sa{sv}}oo', out_signature='oo')
    def AddAndActivateConnection(self, con_hash, devpath, specific_object):
        device = self.find_device_first(path = devpath, require = BusErr.UnknownDeviceException)
        conpath = gl.settings.AddConnection(con_hash)
        return (conpath, self.ActivateConnection(conpath, devpath, specific_object))

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='o', out_signature='')
    def DeactivateConnection(self, active_connection):
        pass

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='b', out_signature='')
    def Sleep(self, do_sleep):
        if do_sleep:
            state = NM.State.ASLEEP
        else:
            state = NM.State.DISCONNECTED
        self.set_state(state)

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='b', out_signature='')
    def Enable(self, do_enable):
        pass

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='', out_signature='a{ss}')
    def GetPermissions(self):
        return { "org.freedesktop.NetworkManager.enable-disable-network":   "yes",
                 "org.freedesktop.NetworkManager.sleep-wake":               "no",
                 "org.freedesktop.NetworkManager.enable-disable-wifi":      "yes",
                 "org.freedesktop.NetworkManager.enable-disable-wwan":      "yes",
                 "org.freedesktop.NetworkManager.enable-disable-wimax":     "yes",
                 "org.freedesktop.NetworkManager.network-control":          "yes",
                 "org.freedesktop.NetworkManager.wifi.share.protected":     "yes",
                 "org.freedesktop.NetworkManager.wifi.share.open":          "yes",
                 "org.freedesktop.NetworkManager.settings.modify.own":      "yes",
                 "org.freedesktop.NetworkManager.settings.modify.system":   "yes",
                 "org.freedesktop.NetworkManager.settings.modify.hostname": "yes",
                 "org.freedesktop.NetworkManager.settings.modify.global-dns": "no",
                 "org.freedesktop.NetworkManager.reload":                   "no",
                 }

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='ss', out_signature='')
    def SetLogging(self, level, domains):
        pass

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='', out_signature='ss')
    def GetLogging(self):
        return ("info", "HW,RFKILL,CORE,DEVICE,WIFI,ETHER")

    @dbus.service.method(dbus_interface=IFACE_NM, in_signature='', out_signature='u')
    def CheckConnectivity(self):
        raise BusErr.PermissionDeniedException("You fail")

    @dbus.service.signal(IFACE_NM, signature='o')
    def DeviceAdded(self, devpath):
        pass

    def find_devices(self, ident = _DEFAULT_ARG, path = _DEFAULT_ARG, iface = _DEFAULT_ARG, ip_iface = _DEFAULT_ARG, dev_type = _DEFAULT_ARG):
        r = None
        for d in self.devices:
            if ident is not _DEFAULT_ARG:
                if d.ident != ident:
                    continue
            if path is not _DEFAULT_ARG:
                if d.path != path:
                    continue
            if iface is not _DEFAULT_ARG:
                if d.iface != iface:
                    continue
            if ip_iface is not _DEFAULT_ARG:
                # ignore iface/ip_iface distinction for now
                if d.iface != ip_iface:
                    continue
            if dev_type is not _DEFAULT_ARG:
                if not isinstance(d, dev_type):
                    continue
            yield d

    def find_device_first(self, ident = _DEFAULT_ARG, path = _DEFAULT_ARG, iface = _DEFAULT_ARG, ip_iface = _DEFAULT_ARG, dev_type = _DEFAULT_ARG, require = None):
        r = None
        for d in self.find_devices(ident = ident, path = path, iface = iface, ip_iface = ip_iface, dev_type = dev_type):
            r = d
            break
        if r is None and require:
            if require is TestError:
                raise TestError('Device not found')
            raise BusErr.UnknownDeviceException('Device not found')
        return r

    def add_device(self, device):
        if self.find_device_first(ident = device.ident, path = device.path) is not None:
            raise TestError("Duplicate device ident=%s / path=%s" % (device.ident, device.path))
        device.export()
        self.devices.append(device)
        self._dbus_property_set(IFACE_NM, PRP_NM_DEVICES, ExportedObj.to_path_array(self.devices))
        self._dbus_property_set(IFACE_NM, PRP_NM_ALL_DEVICES, ExportedObj.to_path_array(self.devices))
        self.DeviceAdded(ExportedObj.to_path(device))
        device.start()
        return device

    def remove_device(self, device):
        device.stop()
        self.devices.remove(device)
        self._dbus_property_set(IFACE_NM, PRP_NM_DEVICES, ExportedObj.to_path_array(self.devices))
        self._dbus_property_set(IFACE_NM, PRP_NM_ALL_DEVICES, ExportedObj.to_path_array(self.devices))
        self.DeviceRemoved(ExportedObj.to_path(device))
        device.unexport()

    def devices_available_connections_update(self):
        for d in self.devices:
            d.available_connections_update()

    @dbus.service.signal(IFACE_NM, signature='o')
    def DeviceRemoved(self, devpath):
        pass

    @dbus.service.signal(IFACE_NM, signature='a{sv}')
    def PropertiesChanged(self, changed):
        pass

    @dbus.service.method(IFACE_TEST, in_signature='', out_signature='')
    def Quit(self):
        gl.mainloop.quit()

    @dbus.service.method(IFACE_TEST, in_signature='a{ss}', out_signature='a(sss)')
    def FindConnections(self, selector_args):
        return [(c.path, c.get_uuid(), c.get_id()) for c in gl.settings.find_connections(**selector_args)]

    @dbus.service.method(IFACE_TEST, in_signature='a(oa(sa(sv)))', out_signature='')
    def SetProperties(self, all_args):
        for i in [0, 1]:
            for path, iface_args in all_args:
                o = gl.object_manager.find_object(path)
                if o is None:
                    raise TestError("Object %s does not exist" % (path))
                for iface_name, args in iface_args:
                    for propname, value in args:
                        o._dbus_property_set(iface_name, propname, value,
                                             allow_detect_dbus_iface = True,
                                             dry_run = (i == 0))


    @dbus.service.method(IFACE_TEST, in_signature='sa{sv}', out_signature='o')
    def AddObj(self, class_name, args):
        if class_name in ['WiredDevice', 'WifiDevice']:
            py_class = globals()[class_name]
            d = py_class(**args)
            return ExportedObj.to_path(self.add_device(d))
        elif class_name in ['WifiAp']:
            if 'device' not in args:
                raise TestError('missing "device" paramter')
            d = self.find_device_first(ident = args['device'], require = TestError)
            del args['device']
            if 'ssid' not in args:
                args['ssid'] = d.ident + '-ap-' + str(WifiAp.path_counter_next)
            ap = WifiAp(**args)
            return ExportedObj.to_path(d.add_ap(ap))
        raise TestError("Invalid python type \"%s\"" % (class_name))

    @dbus.service.method(IFACE_TEST, in_signature='ssas', out_signature='o')
    def AddWiredDevice(self, ifname, mac, subchannels):
        dev = WiredDevice(ifname, mac, subchannels)
        return ExportedObj.to_path(self.add_device(dev))

    @dbus.service.method(IFACE_TEST, in_signature='s', out_signature='o')
    def AddWifiDevice(self, ifname):
        dev = WifiDevice(ifname)
        return ExportedObj.to_path(self.add_device(dev))

    @dbus.service.method(IFACE_TEST, in_signature='s', out_signature='o')
    def AddWimaxDevice(self, ifname):
        dev = WimaxDevice(ifname)
        return ExportedObj.to_path(self.add_device(dev))

    @dbus.service.method(IFACE_TEST, in_signature='o', out_signature='')
    def RemoveDevice(self, path):
        d = self.find_device_first(path = path, require = TestError)
        self.remove_device(d)

    @dbus.service.method(IFACE_TEST, in_signature='sss', out_signature='o')
    def AddWifiAp(self, ident, ssid, bssid):
        d = self.find_device_first(ident = ident, require = TestError)
        ap = WifiAp(ssid, bssid)
        return ExportedObj.to_path(d.add_ap(ap))

    @dbus.service.method(IFACE_TEST, in_signature='so', out_signature='')
    def RemoveWifiAp(self, ident, ap_path):
        d = self.find_device_first(ident = ident, require = TestError)
        d.remove_ap_by_path(ap_path)

    @dbus.service.method(IFACE_TEST, in_signature='ss', out_signature='o')
    def AddWimaxNsp(self, ident, name):
        d = self.find_device_first(ident = ident, require = TestError)
        return ExportedObj.to_path(d.add_test_nsp(name))

    @dbus.service.method(IFACE_TEST, in_signature='so', out_signature='')
    def RemoveWimaxNsp(self, ident, nsp_path):
        d = self.find_device_first(ident = ident, require = TestError)
        d.remove_nsp_by_path(nsp_path)

    @dbus.service.method(IFACE_TEST, in_signature='', out_signature='')
    def AutoRemoveNextConnection(self):
        gl.settings.auto_remove_next_connection()

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature='a{sa{sv}}b', out_signature='o')
    def AddConnection(self, con_hash, do_verify_strict):
        return gl.settings.add_connection(con_hash, do_verify_strict)

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature='sa{sa{sv}}b', out_signature='')
    def UpdateConnection(self, path, con_hash, do_verify_strict):
        return gl.settings.update_connection(con_hash, path, do_verify_strict)

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature='ba{ss}', out_signature='')
    def ConnectionSetVisible(self, vis, selector_args):
        cons = list(gl.settings.find_connections(**selector_args))
        assert(len(cons) == 1)
        cons[0].SetVisible(vis)

    @dbus.service.method(dbus_interface=IFACE_TEST, in_signature='', out_signature='')
    def Restart(self):
        gl.bus.release_name("org.freedesktop.NetworkManager")
        gl.bus.request_name("org.freedesktop.NetworkManager")


###############################################################################

PRP_CONNECTION_UNSAVED = 'Unsaved'
PRP_CONNECTION_FILENAME = 'Filename'

class Connection(ExportedObj):
    def __init__(self, path_counter, con_hash, do_verify_strict=True):

        path = "/org/freedesktop/NetworkManager/Settings/Connection/%s" % (path_counter)

        ExportedObj.__init__(self, path)

        s_con = con_hash.get(NM.SETTING_CONNECTION_SETTING_NAME)
        if s_con is None:
            s_con = {}
            con_hash[NM.SETTING_CONNECTION_SETTING_NAME] = s_con
        if NmUtil.con_hash_get_id(con_hash) is None:
            s_con[NM.SETTING_CONNECTION_ID] = 'connection-%s' % (path_counter)
        if NmUtil.con_hash_get_uuid(con_hash) is None:
            s_con[NM.SETTING_CONNECTION_UUID] = str(uuid.uuid3(uuid.NAMESPACE_URL, path))

        NmUtil.con_hash_verify(con_hash, do_verify_strict=do_verify_strict)

        self.path = path
        self.con_hash = con_hash
        self.visible = True

        props = {
            PRP_CONNECTION_UNSAVED: False,
            PRP_CONNECTION_FILENAME: "/etc/NetworkManager/system-connections/" + self.get_id(),
        }

        self.dbus_interface_add(IFACE_CONNECTION, props)

    def get_id(self):
        return NmUtil.con_hash_get_id(self.con_hash)

    def get_uuid(self):
        return NmUtil.con_hash_get_uuid(self.con_hash)

    def get_type(self):
        return NmUtil.con_hash_get_type(self.con_hash)

    def is_vpn(self):
        return self.get_type() == NM.SETTING_VPN_SETTING_NAME

    def update_connection(self, con_hash, do_verify_strict):

        NmUtil.con_hash_verify(con_hash, do_verify_strict = do_verify_strict)

        old_uuid = self.get_uuid()
        new_uuid = NmUtil.con_hash_get_uuid(con_hash)
        if old_uuid != new_uuid:
            raise BusErr.InvalidPropertyException('connection.uuid: cannot change the uuid from %s to %s' % (old_uuid, new_uuid))

        self.con_hash = con_hash;
        self.Updated()

    @dbus.service.method(dbus_interface=IFACE_CONNECTION, in_signature='', out_signature='a{sa{sv}}')
    def GetSettings(self):
        if not self.visible:
            raise BusErr.PermissionDeniedException()
        return self.con_hash

    @dbus.service.method(dbus_interface=IFACE_CONNECTION, in_signature='b', out_signature='')
    def SetVisible(self, vis):
        self.visible = vis
        self.Updated()

    @dbus.service.method(dbus_interface=IFACE_CONNECTION, in_signature='', out_signature='')
    def Delete(self):
        gl.settings.delete_connection(self)

    @dbus.service.method(dbus_interface=IFACE_CONNECTION, in_signature='a{sa{sv}}', out_signature='')
    def Update(self, con_hash):
        self.update_connection(con_hash, True)

    @dbus.service.method(dbus_interface=IFACE_CONNECTION, in_signature='a{sa{sv}}ua{sv}', out_signature='a{sv}')
    def Update2(self, con_hash, flags, args):
        self.update_connection(con_hash, True)
        return []

    @dbus.service.signal(IFACE_CONNECTION, signature='')
    def Removed(self):
        pass

    @dbus.service.signal(IFACE_CONNECTION, signature='')
    def Updated(self):
        pass

###############################################################################

PRP_SETTINGS_HOSTNAME = 'Hostname'
PRP_SETTINGS_CAN_MODIFY = 'CanModify'
PRP_SETTINGS_CONNECTIONS = 'Connections'

class Settings(ExportedObj):
    def __init__(self):
        ExportedObj.__init__(self, "/org/freedesktop/NetworkManager/Settings")

        self.connections = {}
        self.c_counter = 0
        self.remove_next_connection = False

        props = {
            PRP_SETTINGS_HOSTNAME:    "foobar.baz",
            PRP_SETTINGS_CAN_MODIFY:  True,
            PRP_SETTINGS_CONNECTIONS: dbus.Array([], 'o'),
        }

        self.dbus_interface_add(IFACE_SETTINGS, props, Settings.PropertiesChanged)
        self.export()

    def auto_remove_next_connection(self):
        self.remove_next_connection = True;

    def get_connection(self, path):
        return self.connections[path]

    def get_connections(self, stable_order = True):
        cons = list(self.connections.values())
        if stable_order:
            cons.sort(key = lambda c: (Util.random_int(c.get_id()), Util.random_int(c.path)))
        return cons

    def get_connection_paths(self, stable_order = True):
        return [c.path for c in self.get_connections(stable_order = stable_order)]

    def find_connections(self, path = None, con_id = None, con_uuid = None):
        for c in self.get_connections():
            if path is not None:
                if c.path != path:
                    continue
            if con_id is not None:
                if c.get_id() != con_id:
                    continue
            if con_uuid is not None:
                if c.get_uuid() != con_uuid:
                    continue
            yield c

    @dbus.service.method(dbus_interface=IFACE_SETTINGS, in_signature='', out_signature='ao')
    def ListConnections(self):
        return self.get_connection_paths()

    @dbus.service.method(dbus_interface=IFACE_SETTINGS, in_signature='a{sa{sv}}', out_signature='o')
    def AddConnection(self, con_hash):
        return self.add_connection(con_hash)

    def add_connection(self, con_hash, do_verify_strict=True):
        self.c_counter += 1
        con_inst = Connection(self.c_counter, con_hash, do_verify_strict)

        uuid = con_inst.get_uuid()
        if uuid in [c.get_uuid() for c in self.get_connections(stable_order = False)]:
            raise BusErr.InvalidSettingException('cannot add duplicate connection with uuid %s' % (uuid))

        con_inst.export()
        self.connections[con_inst.path] = con_inst
        self.NewConnection(con_inst.path)
        self._dbus_property_set(IFACE_SETTINGS, PRP_SETTINGS_CONNECTIONS, dbus.Array(self.get_connection_paths(), 'o'))

        if self.remove_next_connection:
            self.remove_next_connection = False
            self.delete_connection(con_inst)

        gl.manager.devices_available_connections_update()

        return con_inst.path

    def update_connection(self, con_hash, path=None, do_verify_strict=True):
        if path not in self.connections:
            raise BusErr.UnknownConnectionException('Connection not found')
        self.connections[path].update_connection(con_hash, do_verify_strict)

    def delete_connection(self, con_inst):
        del self.connections[con_inst.path]
        self._dbus_property_set(IFACE_SETTINGS, PRP_SETTINGS_CONNECTIONS, dbus.Array(self.get_connection_paths(), 'o'))
        con_inst.Removed()
        con_inst.unexport()

        gl.manager.devices_available_connections_update()

    @dbus.service.method(dbus_interface=IFACE_SETTINGS, in_signature='s', out_signature='')
    def SaveHostname(self, hostname):
        # Arbitrary requirement to test error handling
        if hostname.find('.') == -1:
            raise BusErr.InvalidHostnameException()
        self._dbus_property_set(IFACE_SETTINGS, PRP_SETTINGS_HOSTNAME, hostname)

    @dbus.service.signal(IFACE_SETTINGS, signature='o')
    def NewConnection(self, path):
        pass

    @dbus.service.signal(IFACE_SETTINGS, signature='a{sv}')
    def PropertiesChanged(self, path):
        pass

    @dbus.service.method(IFACE_SETTINGS, in_signature='', out_signature='')
    def Quit(self):
        gl.mainloop.quit()

###############################################################################

PRP_IP4_CONFIG_ADDRESSES   = 'Addresses'
PRP_IP4_CONFIG_ADDRESSDATA = 'AddressData'
PRP_IP4_CONFIG_GATEWAY     = 'Gateway'
PRP_IP4_CONFIG_ROUTES      = 'Routes'
PRP_IP4_CONFIG_ROUTEDATA   = 'RouteData'
PRP_IP4_CONFIG_NAMESERVERS = 'Nameservers'
PRP_IP4_CONFIG_DOMAINS     = 'Domains'
PRP_IP4_CONFIG_SEARCHES    = 'Searches'
PRP_IP4_CONFIG_DNSOPTIONS  = 'DnsOptions'
PRP_IP4_CONFIG_DNSPRIORITY = 'DnsPriority'
PRP_IP4_CONFIG_WINSSERVERS = 'WinsServers'

class IP4Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/IP4Config/"

    def __init__(self, generate_seed = _DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(IP4Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_IP4_CONFIG, props, IP4Config.PropertiesChanged)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        gateway = None
        if seed:
            if Util.random_bool(seed):
                gateway = Util.random_ip(seed, net = '192.168.0.0/16')[0]

        addrs = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    'addr':    Util.random_ip(seed, net = '192.168.0.0/16')[0],
                    'prefix':  Util.random_int(seed, 17, 32),
                    'gateway': gateway if n == 0 else None,
                }
                addrs.append(a)

        routes = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    'dest':     Util.random_ip(seed, net = '192.168.0.0/16')[0],
                    'prefix':   Util.random_int(seed, 17, 32),
                    'next-hop': None if (Util.random_int(seed) % 3 == 0) else Util.random_ip(seed, net = '192.168.0.0/16')[0],
                    'metric':   -1 if (Util.random_int(seed) % 3 == 0) else Util.random_int(seed, 0, 0xFFFFFFFF),
                }
                routes.append(a)

        nameservers = []
        if seed:
            nameservers = list([Util.random_ip(seed, net = '192.168.0.0/16')[0] for x in range(Util.random_int(seed, 4))])

        names_selection = ['foo1.bar', 'foo2.bar', 'foo3.bar', 'foo4.bar', 'fo.o.bar', 'fo.x.y'];

        domains = []
        if seed:
            domains = Util.random_subset(seed, ['dom4.' + s for s in names_selection])

        searches = []
        if seed:
            domains = Util.random_subset(seed, ['sear4.' + s for s in names_selection])

        dnsoptions = []
        if seed:
            dnsoptions = Util.random_subset(seed, ['dns4-opt1', 'dns4-opt2', 'dns4-opt3', 'dns4-opt4'])

        dnspriority = 0
        if seed:
            dnspriority = Util.random_int(seed, -10000, 10000)

        winsservers = []
        if seed:
            winsservers = list([Util.random_ip(seed, net = '192.168.0.0/16')[0] for x in range(Util.random_int(seed, 4))])

        return {
            PRP_IP4_CONFIG_ADDRESSES:   dbus.Array([
                                                [ Util.ip4_addr_ne32(a['addr']),
                                                  a['prefix'],
                                                  Util.ip4_addr_ne32(a['gateway']) if a['gateway'] else 0
                                                ] for a in addrs
                                            ],
                                            'au'),
            PRP_IP4_CONFIG_ADDRESSDATA: dbus.Array([
                                                dbus.Dictionary(collections.OrderedDict( [ ('address', dbus.String(a['addr'])),
                                                                                           ('prefix',  dbus.UInt32(a['prefix']))] + \
                                                                                        ([ ('gateway', dbus.String(a['gateway'])) ] if a['gateway'] else [])),
                                                                'sv')
                                                for a in addrs
                                            ],
                                            'a{sv}'),
            PRP_IP4_CONFIG_GATEWAY:     dbus.String(gateway) if gateway else "",
            PRP_IP4_CONFIG_ROUTES:      dbus.Array([
                                                [ Util.ip4_addr_ne32(a['dest']),
                                                  a['prefix'],
                                                  Util.ip4_addr_ne32(a['next-hop'] or '0.0.0.0'),
                                                  max(a['metric'], 0)
                                                ] for a in routes
                                            ],
                                            'au'),
            PRP_IP4_CONFIG_ROUTEDATA:   dbus.Array([
                                                dbus.Dictionary(collections.OrderedDict( [ ('dest',     dbus.String(a['dest'])),
                                                                                           ('prefix',   dbus.UInt32(a['prefix']))] + \
                                                                                        ([ ('next-hop', dbus.String(a['next-hop'])) ] if a['next-hop'] else []) + \
                                                                                        ([ ('metric',   dbus.UInt32(a['metric'])) ] if a['metric'] != -1 else [])),
                                                                'sv')
                                                for a in routes
                                            ],
                                            'a{sv}'),
            PRP_IP4_CONFIG_NAMESERVERS: dbus.Array([dbus.UInt32(Util.ip4_addr_ne32(n)) for n in nameservers], 'u'),
            PRP_IP4_CONFIG_DOMAINS:     dbus.Array(domains, 's'),
            PRP_IP4_CONFIG_SEARCHES:    dbus.Array(searches, 's'),
            PRP_IP4_CONFIG_DNSOPTIONS:  dbus.Array(dnsoptions, 's'),
            PRP_IP4_CONFIG_DNSPRIORITY: dbus.Int32(dnspriority),
            PRP_IP4_CONFIG_WINSSERVERS: dbus.Array([dbus.UInt32(Util.ip4_addr_ne32(n)) for n in winsservers], 'u'),
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k,v in props.items():
            self._dbus_property_set(IFACE_IP4_CONFIG, k, v)

    @dbus.service.signal(IFACE_IP4_CONFIG, signature='a{sv}')
    def PropertiesChanged(self, path):
        pass

###############################################################################

PRP_IP6_CONFIG_ADDRESSES   = "Addresses"
PRP_IP6_CONFIG_ADDRESSDATA = "AddressData"
PRP_IP6_CONFIG_GATEWAY     = "Gateway"
PRP_IP6_CONFIG_ROUTES      = "Routes"
PRP_IP6_CONFIG_ROUTEDATA   = "RouteData"
PRP_IP6_CONFIG_NAMESERVERS = "Nameservers"
PRP_IP6_CONFIG_DOMAINS     = "Domains"
PRP_IP6_CONFIG_SEARCHES    = "Searches"
PRP_IP6_CONFIG_DNSOPTIONS  = "DnsOptions"
PRP_IP6_CONFIG_DNSPRIORITY = "DnsPriority"

class IP6Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/IP6Config/"

    def __init__(self, generate_seed = _DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(IP6Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_IP6_CONFIG, props, IP6Config.PropertiesChanged)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        gateway = None
        if seed:
            if Util.random_bool(seed):
                gateway = Util.random_ip(seed, net = '2001:a::/64')[0]

        addrs = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    'addr':    Util.random_ip(seed, net = '2001:a::/64')[0],
                    'prefix':  Util.random_int(seed, 65, 128),
                    'gateway': gateway if n == 0 else None,
                }
                addrs.append(a)

        routes = []
        if seed:
            for n in range(0, Util.random_int(seed, 4)):
                a = {
                    'dest':     Util.random_ip(seed, net = '2001:a::/64')[0],
                    'prefix':   Util.random_int(seed, 65, 128),
                    'next-hop': None if (Util.random_int(seed) % 3 == 0) else Util.random_ip(seed, net = '2001:a::/64')[0],
                    'metric':   -1 if (Util.random_int(seed) % 3 == 0) else Util.random_int(seed, 0, 0xFFFFFFFF),
                }
                routes.append(a)

        nameservers = []
        if seed:
            nameservers = list([Util.random_ip(seed, net = '2001:a::/64')[0] for x in range(Util.random_int(seed, 4))])

        names_selection = ['foo1.bar', 'foo2.bar', 'foo3.bar', 'foo4.bar', 'fo.o.bar', 'fo.x.y'];

        domains = []
        if seed:
            domains = Util.random_subset(seed, ['dom6.' + s for s in names_selection])

        searches = []
        if seed:
            domains = Util.random_subset(seed, ['sear6.' + s for s in names_selection])

        dnsoptions = []
        if seed:
            dnsoptions = Util.random_subset(seed, ['dns6-opt1', 'dns6-opt2', 'dns6-opt3', 'dns6-opt4'])

        dnspriority = 0
        if seed:
            dnspriority = Util.random_int(seed, -10000, 10000)

        return {
            PRP_IP6_CONFIG_ADDRESSES:   dbus.Array([
                                                [ Util.ip6_addr_ay(a['addr']),
                                                  a['prefix'],
                                                  Util.ip6_addr_ay(a['gateway'] or '::')
                                                ] for a in addrs
                                            ],
                                            '(ayuay)'),
            PRP_IP6_CONFIG_ADDRESSDATA: dbus.Array([
                                                dbus.Dictionary(collections.OrderedDict( [ ('address', dbus.String(a['addr'])),
                                                                                           ('prefix',  dbus.UInt32(a['prefix']))] + \
                                                                                        ([ ('gateway', dbus.String(a['gateway'])) ] if a['gateway'] else [])),
                                                                'sv')
                                                for a in addrs
                                            ],
                                            'a{sv}'),
            PRP_IP6_CONFIG_GATEWAY:     dbus.String(gateway) if gateway else "",
            PRP_IP6_CONFIG_ROUTES:      dbus.Array([
                                                [ Util.ip6_addr_ay(a['dest']),
                                                  a['prefix'],
                                                  Util.ip6_addr_ay(a['next-hop'] or '::'),
                                                  max(a['metric'], 0)
                                                ] for a in routes
                                            ],
                                            '(ayuayu)'),
            PRP_IP6_CONFIG_ROUTEDATA:   dbus.Array([
                                                dbus.Dictionary(collections.OrderedDict( [ ('dest',     dbus.String(a['dest'])),
                                                                                           ('prefix',   dbus.UInt32(a['prefix']))] + \
                                                                                        ([ ('next-hop', dbus.String(a['next-hop'])) ] if a['next-hop'] else []) + \
                                                                                        ([ ('metric',   dbus.UInt32(a['metric'])) ] if a['metric'] != -1 else [])),
                                                                'sv')
                                                for a in routes
                                            ],
                                            'a{sv}'),
            PRP_IP6_CONFIG_NAMESERVERS: dbus.Array([Util.ip6_addr_ay(n) for n in nameservers], 'ay'),
            PRP_IP6_CONFIG_DOMAINS:     dbus.Array(domains, 's'),
            PRP_IP6_CONFIG_SEARCHES:    dbus.Array(searches, 's'),
            PRP_IP6_CONFIG_DNSOPTIONS:  dbus.Array(dnsoptions, 's'),
            PRP_IP6_CONFIG_DNSPRIORITY: dbus.Int32(dnspriority),
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k,v in props.items():
            self._dbus_property_set(IFACE_IP6_CONFIG, k, v)

    @dbus.service.signal(IFACE_IP6_CONFIG, signature='a{sv}')
    def PropertiesChanged(self, path):
        pass

###############################################################################

PRP_DHCP4_CONFIG_OPTIONS   = 'Options'

class Dhcp4Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/DHCP4Config/"

    def __init__(self, generate_seed = _DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(Dhcp4Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_DHCP4_CONFIG, props, Dhcp4Config.PropertiesChanged)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        options = []
        if seed:
            options = Util.random_subset(seed, [('dhcp-4-opt-' + str(i), 'val-' + str(i)) for i in range(10)])

        return {
            PRP_DHCP4_CONFIG_OPTIONS: dbus.Dictionary(collections.OrderedDict(options),
                                                      'sv')
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k,v in props.items():
            self._dbus_property_set(IFACE_DHCP4_CONFIG, k, v)

    @dbus.service.signal(IFACE_DHCP4_CONFIG, signature='a{sv}')
    def PropertiesChanged(self, path):
        pass

###############################################################################

PRP_DHCP6_CONFIG_OPTIONS   = 'Options'

class Dhcp6Config(ExportedObj):

    path_counter_next = 1
    path_prefix = "/org/freedesktop/NetworkManager/DHCP6Config/"

    def __init__(self, generate_seed = _DEFAULT_ARG):
        ExportedObj.__init__(self, ExportedObj.create_path(Dhcp6Config))

        if generate_seed == _DEFAULT_ARG:
            generate_seed = self.path

        props = self._props_generate(generate_seed)
        self.dbus_interface_add(IFACE_DHCP6_CONFIG, props, Dhcp6Config.PropertiesChanged)
        self.export()

    def _props_generate(self, generate_seed):
        seed = Util.RandomSeed.wrap(generate_seed)

        options = []
        if seed:
            options = Util.random_subset(seed, [('dhcp-6-opt-' + str(i), 'val-' + str(i)) for i in range(10)])

        return {
            PRP_DHCP4_CONFIG_OPTIONS: dbus.Dictionary(collections.OrderedDict(options),
                                                      'sv')
        }

    def props_regenerate(self, generate_seed):
        props = self.generate_props(generate_seed)
        for k,v in props.items():
            self._dbus_property_set(IFACE_DHCP6_CONFIG, k, v)

    @dbus.service.signal(IFACE_DHCP6_CONFIG, signature='a{sv}')
    def PropertiesChanged(self, path):
        pass

###############################################################################

PRP_DNS_MANAGER_MODE          = 'Mode'
PRP_DNS_MANAGER_RC_MANAGER    = 'RcManager'
PRP_DNS_MANAGER_CONFIGURATION = 'Configuration'

class DnsManager(ExportedObj):
    def __init__(self):
        ExportedObj.__init__(self, "/org/freedesktop/NetworkManager/DnsManager")

        props = {
            PRP_DNS_MANAGER_MODE:          "dnsmasq",
            PRP_DNS_MANAGER_RC_MANAGER:    "symlink",
            PRP_DNS_MANAGER_CONFIGURATION: dbus.Array(
                [
                    dbus.Dictionary(
                        {
                            'nameservers' : dbus.Array(['1.2.3.4', '5.6.7.8'], 's'),
                            'priority'    : dbus.Int32(100),
                        },
                        'sv')
                ],
                'a{sv}'),
        }

        self.dbus_interface_add(IFACE_DNS_MANAGER, props)
        self.export()

###############################################################################

PATH_SECRET_AGENT = '/org/freedesktop/NetworkManager/SecretAgent'

FLAG_ALLOW_INTERACTION = 0x1
FLAG_REQUEST_NEW = 0x2
FLAG_USER_REQUESTED = 0x4

class AgentManager(dbus.service.Object):
    def __init__(self):
        dbus.service.Object.__init__(self, gl.bus, "/org/freedesktop/NetworkManager/AgentManager")
        self.agents = {}

    @dbus.service.method(dbus_interface=IFACE_AGENT_MANAGER,
                         in_signature='s', out_signature='',
                         sender_keyword='sender')
    def Register(self, name, sender=None):
        self.RegisterWithCapabilities(name, 0, sender)

    @dbus.service.method(dbus_interface=IFACE_AGENT_MANAGER,
                         in_signature='su', out_signature='',
                         sender_keyword='sender')
    def RegisterWithCapabilities(self, name, caps, sender=None):
        self.agents[sender] = gl.bus.get_object(sender, PATH_SECRET_AGENT)

    @dbus.service.method(dbus_interface=IFACE_AGENT_MANAGER,
                         in_signature='', out_signature='',
                         sender_keyword='sender')
    def Unregister(self, sender=None):
        del self.agents[sender]

    def get_secrets(self, con_hash, path, setting_name):
        if len(self.agents) == 0:
            return None

        secrets = {}
        for sender in self.agents:
            agent = self.agents[sender]
            try:
                secrets = agent.GetSecrets(con_hash, path, setting_name,
                                           dbus.Array([], 's'),
                                           FLAG_ALLOW_INTERACTION | FLAG_USER_REQUESTED,
                                           dbus_interface=IFACE_AGENT)
                break
            except dbus.DBusException as e:
                if e.get_dbus_name() == IFACE_AGENT + '.UserCanceled':
                    raise BusErr.UserCanceledException('User canceled')
                continue
        return secrets

###############################################################################

class ObjectManager(dbus.service.Object):
    def __init__(self, object_path):
        dbus.service.Object.__init__(self, gl.bus, object_path)
        self.objs = []

    def find_object(self, path):
        for o in self.objs:
            if path == o.path:
                return o
        return None

    def add_object(self, obj):
        self.objs.append(obj)
        self.InterfacesAdded(obj.path, obj.get_managed_ifaces())

    def remove_object(self, obj):
        self.objs.remove(obj)
        self.InterfacesRemoved(obj.path, obj.get_managed_ifaces().keys())

    @dbus.service.signal(IFACE_OBJECT_MANAGER, signature='oa{sa{sv}}')
    def InterfacesAdded(self, name, ifaces):
        pass

    @dbus.service.signal(IFACE_OBJECT_MANAGER, signature='oas')
    def InterfacesRemoved(self, name, ifaces):
        pass

    @dbus.service.method(dbus_interface=IFACE_OBJECT_MANAGER,
                         in_signature='', out_signature='a{oa{sa{sv}}}',
                         sender_keyword='sender')
    def GetManagedObjects(self, sender=None):
        managed_objects = {}
        for obj in self.objs:
            managed_objects[obj.path] = obj.get_managed_ifaces()
        return managed_objects

###############################################################################

def main():
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    random.seed()

    global gl
    gl = Global()

    gl.mainloop = GLib.MainLoop()
    gl.bus = dbus.SessionBus()

    gl.object_manager = ObjectManager('/org/freedesktop')
    gl.manager = NetworkManager()
    gl.settings = Settings()
    gl.dns_manager = DnsManager()
    gl.agent_manager = AgentManager()

    if not gl.bus.request_name("org.freedesktop.NetworkManager"):
        raise AssertionError("Failure to request D-Bus name org.freedesktop.NetworkManager")

    # Watch stdin; if it closes, assume our parent has crashed, and exit
    id1 = GLib.IOChannel(0).add_watch(GLib.IOCondition.HUP,
                                      lambda io, condition: gl.mainloop.quit() or True)

    gl.mainloop.run()

    GLib.source_remove(id1)

    gl.agent_manager.remove_from_connection()
    gl.dns_manager.unexport()
    gl.settings.unexport()
    gl.manager.unexport()
    gl.object_manager.remove_from_connection()

    sys.exit(0)

if __name__ == '__main__':
    main()
