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-- see: https://github.com/awesomeWM/awesome/issues/1093
local lgi = require("lgi")
local Gio = lgi.require("Gio")
local GLib = lgi.require("GLib")
-- Workaround for https://github.com/pavouk/lgi/issues/142
local function bus_get_async(type)
Gio.bus_get(type, nil, coroutine.running())
local a, b = coroutine.yield()
return Gio.bus_get_finish(b)
end
local function method_call(bus_type, name, object, interface, method, ...)
-- args
local bus = bus_get_async(bus_type)
local result, err = bus:async_call(name, object, interface, method,
GLib.Variant("(s)", { "org.freedesktop.systemd1.Manager" }), -- Arguments
nil, Gio.DBusCallFlags.NONE,
-1) -- Use default timeout
if not result then
return nil, tostring(err)
end
-- Get (only?!?) entry in the array
local res = result:get_child_value(0)
-- Get entries from the dictionary
for i = 0, res:n_children() - 1 do
local value = res:get_child_value(i)
local key, val = value:get_child_value(0), value:get_child_value(1)
print(key.value, val.value.value)
end
end
Gio.Async.call(function()
method_call(
Gio.BusType.SESSION,
"org.freedesktop.systemd1",
"/org/freedesktop/systemd1",
"org.freedesktop.DBus.Properties",
"GetAll"
)
end)()
-- https://docs.gtk.org/gio/index.html
-- From https://stackoverflow.com/questions/43588324/how-to-call-dbus-methods-in-awesome-wm
local lgi = require("lgi")
local Gio = lgi.require("Gio")
local GLib = lgi.require("GLib")
-- Workaround for https://github.com/pavouk/lgi/issues/142
local function bus_get_async(type)
Gio.bus_get(type, nil, coroutine.running())
local a, b = coroutine.yield()
return Gio.bus_get_finish(b)
end
local function inhibit(bus, what, who, why, mode)
local name = "org.freedesktop.login1"
local object = "/org/freedesktop/login1"
local interface = "org.freedesktop.login1.Manager"
local message = Gio.DBusMessage.new_method_call(name, object, interface, "Inhibit")
message:set_body(GLib.Variant("(ssss)",
{ what, who, why, mode }))
local timeout = -1 -- Just use the default
local result, err = bus:async_send_message_with_reply(message, Gio.DBusSendMessageFlags.NONE,
timeout, nil)
if err then
print("error: " .. tostring(err))
return
end
if result:get_message_type() == "ERROR" then
local _, err = result:to_gerror()
print("error: " .. tostring(err))
return
end
local fd_list = result:get_unix_fd_list()
local fd, err = fd_list:get(0)
if err then
print("error: " .. tostring(err))
return
end
-- Now... somehow turn this fd into something we can close
return Gio.UnixInputStream.new(fd, true)
end
Gio.Async.call(function()
local bus = bus_get_async(Gio.BusType.SYSTEM)
local a = inhibit(bus, "shutdown:sleep", "hi, it's me!", "Just because", "delay")
print("got lock")
io.popen("sleep 10"):read("*a")
a:async_close()
-- Speed up deletion of the GDBusMessage that still references the FD
collectgarbage("collect")
collectgarbage("collect")
print("released lock")
io.popen("sleep 10"):read("*a")
end)()
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