LightsOff.cpp
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/**
\file LightsOff.cpp
Copyright Notice\n
Copyright (C) 2021 Jan Rogall - developer\n
This file is part of hueplusplus.
hueplusplus is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
hueplusplus is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with hueplusplus. If not, see <http://www.gnu.org/licenses/>.
\brief This example turns off all lights for 20 seconds, then turns them on again.
**/
#include <thread>
#include <hueplusplus/Bridge.h>
#ifdef _MSC_VER
#include <hueplusplus/WinHttpHandler.h>
using SystemHttpHandler = hueplusplus::WinHttpHandler;
#else
#include <hueplusplus/LinHttpHandler.h>
using SystemHttpHandler = hueplusplus::LinHttpHandler;
#endif
namespace hue = hueplusplus;
// Configure existing connections here, or leave empty for new connection
const std::string macAddress = "";
const std::string username = "";
//! \brief Connects to a bridge and returns it.
hue::Bridge connectToBridge()
{
hue::BridgeFinder finder(std::make_shared<SystemHttpHandler>());
std::vector<hue::BridgeFinder::BridgeIdentification> bridges = finder.findBridges();
for (const auto& bridge : bridges)
{
std::cout << "Bridge: " << bridge.mac << " at " << bridge.ip << '\n';
}
if (bridges.empty())
{
std::cout << "Found no bridges\n";
throw std::runtime_error("no bridges found");
}
if (macAddress.empty())
{
std::cout << "No bridge given, connecting to first one.\n";
return finder.getBridge(bridges.front());
}
if (!username.empty())
{
finder.addUsername(macAddress, username);
}
auto it = std::find_if(
bridges.begin(), bridges.end(), [&](const auto& identification) { return identification.mac == macAddress; });
if (it == bridges.end())
{
std::cout << "Given bridge not found\n";
throw std::runtime_error("bridge not found");
}
return finder.getBridge(*it);
}
//! \brief Turns off the lights on the bridge for 20 seconds.
//!
//! Only turns the lights back on that were on before.
void lightsOff(hue::Bridge& hue)
{
std::vector<hue::Light> lights = hue.lights().getAll();
// Save current on state of the lights
std::map<int, bool> onMap;
for (hue::Light& l : lights)
{
onMap.emplace(l.getId(), l.isOn());
l.off();
}
// This would be preferrable, but does not work because it also resets the brightness of all lights
// Group 0 contains all lights, turn all off with a transition of 1 second
// hue.groups().get(0).setOn(false, 10);
// -------------------------------------
std::cout << "Turned off all lights\n";
std::this_thread::sleep_for(std::chrono::seconds(20));
// Restore the original state of the lights
for (hue::Light& l : lights)
{
if (onMap[l.getId()])
{
l.on();
}
}
std::cout << "Turned lights back on\n";
}
int main(int argc, char** argv)
{
try
{
hue::Bridge hue = connectToBridge();
std::cout << "Connected to bridge. IP: " << hue.getBridgeIP() << ", username: " << hue.getUsername() << '\n';
lightsOff(hue);
}
catch (...)
{ }
std::cout << "Press enter to exit\n";
std::cin.get();
return 0;
}