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98 lines
2.8 KiB
Lua
98 lines
2.8 KiB
Lua
local Device = require("device")
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local lfs = require("libs/libkoreader-lfs")
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local ffi = require("ffi")
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local C = ffi.C
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require("ffi/posix_h")
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-- We need to be root to be able to set the time (CAP_SYS_TIME)
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if C.getuid() ~= 0 then
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return { disabled = true, }
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end
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local ntp_cmd
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-- Check if we have access to ntpd or ntpdate
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if os.execute("command -v ntpd >/dev/null") == 0 then
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-- Make sure it's actually busybox's implementation, as the syntax may otherwise differ...
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-- (Of particular note, Kobo ships busybox ntpd, but not ntpdate; and Kindle ships ntpdate and !busybox ntpd).
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local path = os.getenv("PATH") or ""
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for p in path:gmatch("([^:]+)") do
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local sym = lfs.symlinkattributes(p .. "/ntpd")
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if sym and sym.mode == "link" and string.sub(sym.target, -7) == "busybox" then
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ntp_cmd = "ntpd -q -n -p pool.ntp.org"
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break
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end
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end
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end
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if not ntp_cmd and os.execute("command -v ntpdate >/dev/null") == 0 then
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ntp_cmd = "ntpdate pool.ntp.org"
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end
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if not ntp_cmd then
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return { disabled = true, }
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end
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local InfoMessage = require("ui/widget/infomessage")
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local UIManager = require("ui/uimanager")
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local WidgetContainer = require("ui/widget/container/widgetcontainer")
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local T = require("ffi/util").template
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local _ = require("gettext")
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local NetworkMgr = require("ui/network/manager")
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local TimeSync = WidgetContainer:extend{
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name = "timesync",
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}
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local function currentTime()
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local std_out = io.popen("date")
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if std_out then
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local result = std_out:read("*line")
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std_out:close()
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if result ~= nil then
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return T(_("New time is %1."), result)
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end
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end
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return _("Time synchronized.")
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end
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local function syncNTP()
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local info = InfoMessage:new{
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text = _("Synchronizing time. This may take several seconds.")
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}
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UIManager:show(info)
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UIManager:forceRePaint()
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local txt
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if os.execute(ntp_cmd) ~= 0 then
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txt = _("Failed to retrieve time from server. Please check your network configuration.")
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else
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txt = currentTime()
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os.execute("hwclock -u -w")
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-- On Kindle, do it the native way, too, to make sure the native UI gets the memo...
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if Device:isKindle() and lfs.attributes("/usr/sbin/setdate", "mode") == "file" then
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os.execute(string.format("/usr/sbin/setdate '%d'", os.time()))
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end
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end
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UIManager:close(info)
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UIManager:show(InfoMessage:new{
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text = txt,
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timeout = 3,
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})
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end
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local menuItem = {
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text = _("Synchronize time"),
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keep_menu_open = true,
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callback = function()
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NetworkMgr:runWhenOnline(function() syncNTP() end)
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end
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}
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function TimeSync:init()
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self.ui.menu:registerToMainMenu(self)
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end
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function TimeSync:addToMainMenu(menu_items)
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menu_items.synchronize_time = menuItem
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end
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return TimeSync
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