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The412Banner
3aa0162055
The Steam client builds Settings > Internet and its connection indicator on NetworkManager and looks for one on the system bus as it starts. This runtime had neither, so the page stopped with "StartScanningForNetworks is not a function" under a header that showed no connection while downloads ran. A user on an Odin 2 reported exactly that, and I told him it was cosmetic and unfixed - wrongly: Max wrote the answer for WinNative (e7a224ae) and Bannerlator has carried his port for days. This app was the only one without it. The session now starts a small system bus and his stand-in, which reports one connection that is up while Android has a route out and refuses what it cannot do, since nothing here can scan for or join a network. Both the script and the bus config come from the apk at every launch, so an installed runtime gets this without a re-host; dbus-daemon and python-gi are already in r9. Named bannerlator-netmanager rather than steamdeck-: CI copies overlay/usr/local/bin/bannerlator-* by glob, so anything else would have been built, committed and never packaged - the same shape as the proot artifact that was produced and discarded on every run for a week. Version 0.1.3, and the README gains a section for it.
247 lines
10 KiB
Python
Executable File
247 lines
10 KiB
Python
Executable File
#!/usr/bin/python3
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# Ported from WinNative (maxjivi05, feature/wayland-gamescope e7a224ae), GPL-3.0, with thanks.
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# Renamed again for this app; the answers themselves are his.
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#
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# Answers for NetworkManager on the runtime's system bus, for the Steam client:
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# bannerlator-netmanager
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#
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# The client's network page and its connection indicator are built on NetworkManager. It asks for
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# one over the system bus as it starts, and without an answer it leaves out half of what its
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# interface then calls: Settings > Internet stops with "StartScanningForNetworks is not a function"
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# and the header shows no connection while downloads run.
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#
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# The network here is Android's: the app has no say in Wi-Fi, and nothing in this runtime could
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# scan or join one. So this reports what is true and no more - one connection that is up while
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# Android has a route out, under the address the app was given - and refuses what it cannot do.
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import socket
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import sys
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import gi
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gi.require_version("Gio", "2.0")
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from gi.repository import Gio, GLib # noqa: E402
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NAME = "org.freedesktop.NetworkManager"
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ROOT = "/org/freedesktop/NetworkManager"
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SETTINGS = ROOT + "/Settings"
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DEVICE = ROOT + "/Devices/1"
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ACTIVE = ROOT + "/ActiveConnection/1"
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IP4 = ROOT + "/IP4Config/1"
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PROFILE = SETTINGS + "/1"
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UUID = "b1d0c8e4-57f0-4c0e-9d60-77696e6e6174"
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CHECK_SECONDS = 10
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# NetworkManager's own numbers.
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NM_STATE_DISCONNECTED, NM_STATE_CONNECTED_GLOBAL = 20, 70
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NM_CONNECTIVITY_NONE, NM_CONNECTIVITY_FULL = 1, 4
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NM_DEVICE_TYPE_ETHERNET = 1
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NM_DEVICE_STATE_DISCONNECTED, NM_DEVICE_STATE_ACTIVATED = 30, 100
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NM_ACTIVE_CONNECTION_STATE_ACTIVATED = 2
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INTROSPECTION = """
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<node>
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<interface name="org.freedesktop.DBus.ObjectManager">
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<method name="GetManagedObjects">
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<arg type="a{oa{sa{sv}}}" direction="out"/>
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</method>
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</interface>
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<interface name="org.freedesktop.NetworkManager">
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<method name="GetPermissions"><arg type="a{ss}" direction="out"/></method>
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<method name="CheckConnectivity"><arg type="u" direction="out"/></method>
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<method name="GetDevices"><arg type="ao" direction="out"/></method>
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<method name="GetAllDevices"><arg type="ao" direction="out"/></method>
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<signal name="StateChanged"><arg type="u"/></signal>
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</interface>
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<interface name="org.freedesktop.NetworkManager.Settings.Connection">
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<method name="GetSettings"><arg type="a{sa{sv}}" direction="out"/></method>
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</interface>
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<interface name="org.freedesktop.NetworkManager.Device">
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<signal name="StateChanged"><arg type="u"/><arg type="u"/><arg type="u"/></signal>
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</interface>
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</node>
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"""
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def address():
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"""The address Android routes out by, or None without a route. Nothing is sent."""
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try:
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with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
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s.connect(("192.0.2.1", 9))
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return s.getsockname()[0]
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except OSError:
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return None
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def v(signature, value):
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return GLib.Variant(signature, value)
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def objects(ip):
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"""Every object NetworkManager would export, as its ObjectManager describes them."""
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up = ip is not None
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found = {
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ROOT: {NAME: {
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"Devices": v("ao", [DEVICE]),
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"AllDevices": v("ao", [DEVICE]),
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"ActiveConnections": v("ao", [ACTIVE] if up else []),
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"PrimaryConnection": v("o", ACTIVE if up else "/"),
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"PrimaryConnectionType": v("s", "802-3-ethernet" if up else ""),
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"ActivatingConnection": v("o", "/"),
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"NetworkingEnabled": v("b", True),
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"WirelessEnabled": v("b", False),
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"WirelessHardwareEnabled": v("b", False),
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"WwanEnabled": v("b", False),
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"WwanHardwareEnabled": v("b", False),
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"Startup": v("b", False),
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"Version": v("s", "1.46.0"),
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"State": v("u", NM_STATE_CONNECTED_GLOBAL if up else NM_STATE_DISCONNECTED),
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"Connectivity": v("u", NM_CONNECTIVITY_FULL if up else NM_CONNECTIVITY_NONE),
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"ConnectivityCheckAvailable": v("b", False),
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"ConnectivityCheckEnabled": v("b", False),
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"Metered": v("u", 0),
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}},
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SETTINGS: {NAME + ".Settings": {
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"Connections": v("ao", [PROFILE]),
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"Hostname": v("s", socket.gethostname()),
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"CanModify": v("b", False),
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}},
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PROFILE: {NAME + ".Settings.Connection": {
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"Unsaved": v("b", False),
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"Flags": v("u", 0),
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"Filename": v("s", ""),
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}},
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DEVICE: {
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NAME + ".Device": {
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"Interface": v("s", "android"),
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"IpInterface": v("s", "android" if up else ""),
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"Driver": v("s", "android"),
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"DeviceType": v("u", NM_DEVICE_TYPE_ETHERNET),
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"State": v("u", NM_DEVICE_STATE_ACTIVATED if up else NM_DEVICE_STATE_DISCONNECTED),
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"StateReason": v("(uu)", (NM_DEVICE_STATE_ACTIVATED if up else NM_DEVICE_STATE_DISCONNECTED, 0)),
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"ActiveConnection": v("o", ACTIVE if up else "/"),
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"Ip4Config": v("o", IP4 if up else "/"),
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"Ip6Config": v("o", "/"),
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"Dhcp4Config": v("o", "/"),
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"Dhcp6Config": v("o", "/"),
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"AvailableConnections": v("ao", [PROFILE]),
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"Managed": v("b", True),
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"Autoconnect": v("b", True),
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"Real": v("b", True),
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"Capabilities": v("u", 1),
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"Mtu": v("u", 1500),
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"HwAddress": v("s", ""),
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},
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NAME + ".Device.Wired": {
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"HwAddress": v("s", ""),
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"PermHwAddress": v("s", ""),
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"Speed": v("u", 0),
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"Carrier": v("b", up),
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},
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},
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}
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if up:
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found[ACTIVE] = {NAME + ".Connection.Active": {
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"Connection": v("o", PROFILE),
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"SpecificObject": v("o", "/"),
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"Id": v("s", "Android"),
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"Uuid": v("s", UUID),
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"Type": v("s", "802-3-ethernet"),
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"Devices": v("ao", [DEVICE]),
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"State": v("u", NM_ACTIVE_CONNECTION_STATE_ACTIVATED),
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"StateFlags": v("u", 0),
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"Default": v("b", True),
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"Ip4Config": v("o", IP4),
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"Dhcp4Config": v("o", "/"),
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"Default6": v("b", False),
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"Ip6Config": v("o", "/"),
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"Dhcp6Config": v("o", "/"),
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"Vpn": v("b", False),
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"Master": v("o", "/"),
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}}
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found[IP4] = {NAME + ".IP4Config": {
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# The one address the app can see; the prefix says only that much is known.
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"AddressData": v("aa{sv}", [{"address": v("s", ip), "prefix": v("u", 32)}]),
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"Addresses": v("aau", []),
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"Gateway": v("s", ""),
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"RouteData": v("aa{sv}", []),
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"Routes": v("aau", []),
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"NameserverData": v("aa{sv}", []),
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"Nameservers": v("au", []),
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"Domains": v("as", []),
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"Searches": v("as", []),
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"DnsOptions": v("as", []),
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"DnsPriority": v("i", 0),
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"WinsServerData": v("as", []),
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"WinsServers": v("au", []),
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}}
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return found
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class NetworkManager:
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def __init__(self, bus):
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self.bus = bus
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self.ip = address()
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node = Gio.DBusNodeInfo.new_for_xml(INTROSPECTION)
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manager, root, profile, device = node.interfaces
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for path, interface in (("/org/freedesktop", manager), (ROOT, root), (PROFILE, profile), (DEVICE, device)):
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bus.register_object_with_closures2(path, interface, self.call, None, None)
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GLib.timeout_add_seconds(CHECK_SECONDS, self.check)
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def call(self, bus, sender, path, interface, method, args, invocation):
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if method == "GetManagedObjects":
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invocation.return_value(v("(a{oa{sa{sv}}})", (objects(self.ip),)))
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elif method == "GetPermissions":
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invocation.return_value(v("(a{ss})", ({},)))
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elif method == "CheckConnectivity":
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self.check()
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invocation.return_value(v("(u)", (NM_CONNECTIVITY_FULL if self.ip else NM_CONNECTIVITY_NONE,)))
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elif method == "GetSettings":
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# The name the client shows the connection under.
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invocation.return_value(v("(a{sa{sv}})", ({"connection": {
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"id": v("s", "Android"), "uuid": v("s", UUID), "type": v("s", "802-3-ethernet")}},)))
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else:
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invocation.return_value(v("(ao)", ([DEVICE],)))
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def check(self):
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"""Tells the bus when Android gains or loses its route, as NetworkManager would."""
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ip = address()
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if (ip is None) != (self.ip is None) or (ip and ip != self.ip):
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before, after = objects(self.ip), objects(ip)
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self.ip = ip
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for path in before.keys() - after.keys():
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self.announce("InterfacesRemoved", path, v("(oas)", (path, list(before[path]))))
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for path in after.keys() - before.keys():
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self.announce("InterfacesAdded", path, v("(oa{sa{sv}})", (path, after[path])))
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for path in after.keys() & before.keys():
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for interface, values in after[path].items():
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self.bus.emit_signal(None, path, "org.freedesktop.DBus.Properties", "PropertiesChanged",
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v("(sa{sv}as)", (interface, values, [])))
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state = after[ROOT][NAME]["State"].unpack()
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device = after[DEVICE][NAME + ".Device"]["State"].unpack()
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was = before[DEVICE][NAME + ".Device"]["State"].unpack()
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self.bus.emit_signal(None, ROOT, NAME, "StateChanged", v("(u)", (state,)))
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self.bus.emit_signal(None, DEVICE, NAME + ".Device", "StateChanged", v("(uuu)", (device, was, 0)))
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return True
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def announce(self, signal, path, body):
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self.bus.emit_signal(None, "/org/freedesktop", "org.freedesktop.DBus.ObjectManager", signal, body)
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def main():
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loop = GLib.MainLoop()
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state = {}
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def acquired(bus, name):
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state["manager"] = NetworkManager(bus)
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def lost(bus, name):
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print("== netmanager: the system bus is gone", file=sys.stderr)
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loop.quit()
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Gio.bus_own_name(Gio.BusType.SYSTEM, NAME, Gio.BusNameOwnerFlags.NONE, acquired, None, lost)
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loop.run()
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if __name__ == "__main__":
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main()
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