From 2c77b7e18df874428b0ec9d65a6b3386915f60a3 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles.kerr@canonical.com>
Date: Mon, 18 Aug 2014 23:03:38 -0500
Subject: use powerd for hw alarm wakeups

---
 src/wakeup-timer-uha.cpp | 175 -----------------------------------------------
 1 file changed, 175 deletions(-)
 delete mode 100644 src/wakeup-timer-uha.cpp

(limited to 'src/wakeup-timer-uha.cpp')

diff --git a/src/wakeup-timer-uha.cpp b/src/wakeup-timer-uha.cpp
deleted file mode 100644
index 437eda2..0000000
--- a/src/wakeup-timer-uha.cpp
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * Copyright 2014 Canonical Ltd.
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 3, as published
- * by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranties of
- * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
- * PURPOSE.  See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- * Authors:
- *   Charles Kerr <charles.kerr@canonical.com>
- */
-
-#include <datetime/wakeup-timer-uha.h>
-
-#include <ubuntu/hardware/alarm.h>
-
-#include <glib.h>
-
-#include <unistd.h>
-
-#include <ctime> // struct timespec
-#include <mutex>
-#include <thread>
-
-namespace unity {
-namespace indicator {
-namespace datetime {
-
-/***
-****
-***/
-
-class UhaWakeupTimer::Impl
-{
-
-public:
-
-    Impl(const std::shared_ptr<Clock>& clock):
-        m_clock(clock),
-        m_hardware_alarm(u_hardware_alarm_create())
-    {
-        // fire up a worker thread that initially just sleeps
-        set_wakeup_time_to_the_distant_future();
-        m_thread = std::move(std::thread([&](){threadfunc();}));
-    }
-
-    ~Impl()
-    {
-        // tell the worker thread to wake up and exit
-        m_yielding = true;
-        set_wakeup_time(m_clock->localtime().add_full(0,0,0,0,0,0.1));
-
-        // wait for it to happen
-        if (m_thread.joinable())
-            m_thread.join();
-
-        g_idle_remove_by_data(this);
-
-        u_hardware_alarm_unref(m_hardware_alarm);
-    }
-
-    void set_wakeup_time(const DateTime& d)
-    {
-        g_debug("%s %s", G_STRLOC, G_STRFUNC);
-        std::lock_guard<std::recursive_mutex> lg(m_mutex);
-
-        const auto wakeup_time = d.to_unix();
-
-        // simple sanity check: don't try to wait for something that's already passed
-        const auto now = m_clock->localtime().to_unix();
-        g_return_if_fail (wakeup_time >= now);
-
-        struct timespec sleep_interval;
-        sleep_interval.tv_sec = wakeup_time;
-        sleep_interval.tv_nsec = 0;
-        g_debug("%s %s setting hardware wakeup time to %s (%zu seconds from now)",
-                G_STRLOC, G_STRFUNC,
-                d.format("%F %T").c_str(),
-                (size_t)(wakeup_time - now));
-        u_hardware_alarm_set_relative_to_with_behavior(m_hardware_alarm,
-                                                       U_HARDWARE_ALARM_TIME_REFERENCE_RTC,
-                                                       U_HARDWARE_ALARM_SLEEP_BEHAVIOR_WAKEUP_DEVICE,
-                                                       &sleep_interval);
-    }
-
-    core::Signal<>& timeout() { return m_timeout; }
-
-private:
-
-    void set_wakeup_time_to_the_distant_future()
-    {
-        const auto tomorrow = m_clock->localtime().add_full(0,0,1,0,0,0);
-        set_wakeup_time(tomorrow);
-    }
-
-    static gboolean kick_idle (gpointer gself)
-    {
-        static_cast<Impl*>(gself)->m_timeout();
-
-        return G_SOURCE_REMOVE;
-    }
-
-    void threadfunc()
-    {
-        while (!m_yielding)
-        {
-            // wait for the next hw alarm
-            UHardwareAlarmWaitResult wait_result;
-            g_debug ("calling wait_for_next_alarm");
-            auto rc = u_hardware_alarm_wait_for_next_alarm(m_hardware_alarm, &wait_result);
-            g_return_if_fail (rc == U_STATUS_SUCCESS);
-
-            // set a long wakeup interval for the next iteration of the loop.
-            // if there's another Appointment queued up by the Planner,
-            // our timeout() listener will call set_wakeup_time() to set the
-            // real wakeup interval.
-            set_wakeup_time_to_the_distant_future();
-
-            // delegate the kick back to the main thread
-            g_idle_add (kick_idle, this);
-        }
-    }
-
-    core::Signal<> m_timeout;
-    std::recursive_mutex m_mutex;
-    bool m_yielding = false;
-    const std::shared_ptr<Clock>& m_clock;
-    UHardwareAlarm m_hardware_alarm = nullptr;
-    std::thread m_thread;
-};
-
-/***
-****
-***/
-
-UhaWakeupTimer::UhaWakeupTimer(const std::shared_ptr<Clock>& clock):
-    p(new Impl(clock))
-{
-}
-
-UhaWakeupTimer::~UhaWakeupTimer()
-{
-}
-
-bool UhaWakeupTimer::is_supported()
-{
-    auto hw_alarm = u_hardware_alarm_create();
-    g_debug ("%s hardware alarm %p", G_STRFUNC, hw_alarm);
-    return hw_alarm != nullptr;
-}
-
-void UhaWakeupTimer::set_wakeup_time(const DateTime& d)
-{
-    p->set_wakeup_time(d);
-}
-
-core::Signal<>& UhaWakeupTimer::timeout()
-{
-    return p->timeout();
-}
-
-/***
-****
-***/
-
-} // namespace datetime
-} // namespace indicator
-} // namespace unity
-- 
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