// Copyright (c) 2017-2020, Mudita Sp. z.o.o. All rights reserved.
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
#include <service-db/Settings.hpp>
#include <service-db/SettingsMessages.hpp>
#include <Service/Bus.hpp>
#include <Service/Common.hpp>
#include <Service/Message.hpp>
#include <Service/Service.hpp>
#include <log/log.hpp>
#include <utility>
#include <vector>
namespace settings
{
Settings::Settings(sys::Service *app, const std::string &dbAgentName) : dbAgentName(dbAgentName)
{
this->app = std::shared_ptr<sys::Service>(app, [](sys::Service *) {}); /// with deleter that doesn't delete.
this->app->busChannels.push_back(sys::BusChannels::ServiceDBNotifications);
sys::Bus::Add(std::static_pointer_cast<sys::Service>(this->app));
registerHandlers();
}
Settings::~Settings()
{
LOG_DEBUG("Settings::~Settings on %s", app->GetName().c_str());
sys::Bus::Remove(std::static_pointer_cast<sys::Service>(app));
}
void Settings::sendMsg(std::shared_ptr<settings::Messages::SettingsMessage> &&msg)
{
sys::Bus::SendUnicast(std::move(msg), dbAgentName, app.get());
}
void Settings::registerHandlers()
{
using std::placeholders::_1;
using std::placeholders::_2;
LOG_DEBUG("Settings::registerHandlers for %s", app->GetName().c_str());
app->connect(settings::Messages::VariableChanged(), std::bind(&Settings::handleVariableChanged, this, _1));
app->connect(settings::Messages::CurrentProfileChanged(),
std::bind(&Settings::handleCurrentProfileChanged, this, _1));
app->connect(settings::Messages::CurrentModeChanged(),
std::bind(&Settings::handleCurrentModeChanged, this, _1));
app->connect(settings::Messages::ProfileListResponse(),
std::bind(&Settings::handleProfileListResponse, this, _1));
app->connect(settings::Messages::ModeListResponse(), std::bind(&Settings::handleModeListResponse, this, _1));
}
auto Settings::handleVariableChanged(sys::Message *req) -> sys::MessagePointer
{
LOG_DEBUG("handleVariableChanged");
if (auto msg = dynamic_cast<settings::Messages::VariableChanged *>(req)) {
auto key = msg->getPath();
auto val = msg->getValue();
LOG_DEBUG("handleVariableChanged: (k=v): (%s=%s)", key.to_string().c_str(), val.value_or("").c_str());
ValueCb::iterator it_cb = cbValues.find(key);
if (cbValues.end() != it_cb) {
auto [cb, cbWithName] = it_cb->second;
if (nullptr != cb && nullptr != cbWithName) {
// in case of two callbacks there is a need to duplicate the value
auto value = std::move(val.value_or(""));
cb(std::string{value});
cbWithName(key.variable, std::move(value));
}
else if (nullptr != cb) {
cb(std::move(val.value_or("")));
}
else {
cbWithName(key.variable, std::move(val.value_or("")));
}
}
}
return std::make_shared<sys::ResponseMessage>();
}
auto Settings::handleCurrentProfileChanged(sys::Message *req) -> sys::MessagePointer
{
LOG_DEBUG("handleCurrentProfileChanged");
if (auto msg = dynamic_cast<settings::Messages::CurrentProfileChanged *>(req)) {
auto profile = msg->getProfileName();
LOG_DEBUG("handleCurrentProfileChanged: %s", profile.c_str());
cbProfile(profile);
}
return std::make_shared<sys::ResponseMessage>();
}
auto Settings::handleCurrentModeChanged(sys::Message *req) -> sys::MessagePointer
{
LOG_DEBUG("handleCurrentModeChanged");
if (auto msg = dynamic_cast<settings::Messages::CurrentModeChanged *>(req)) {
auto mode = msg->getProfileName();
LOG_DEBUG("handleCurrentModeChanged: %s", mode.c_str());
cbMode(mode);
}
return std::make_shared<sys::ResponseMessage>();
}
auto Settings::handleProfileListResponse(sys::Message *req) -> sys::MessagePointer
{
LOG_DEBUG("handleProfileListResponse");
if (auto msg = dynamic_cast<settings::Messages::ProfileListResponse *>(req)) {
auto profiles = msg->getValue();
LOG_DEBUG("handleProfileListResponse: %zu elements", profiles.size());
cbAllProfiles(profiles);
}
return std::make_shared<sys::ResponseMessage>();
}
auto Settings::handleModeListResponse(sys::Message *req) -> sys::MessagePointer
{
LOG_DEBUG("handleModeListResponse");
if (auto msg = dynamic_cast<settings::Messages::ModeListResponse *>(req)) {
auto modes = msg->getValue();
LOG_DEBUG("handleModeListResponse: %zu elements", modes.size());
cbAllModes(modes);
}
return std::make_shared<sys::ResponseMessage>();
}
void Settings::registerValueChange(const std::string &variableName, ValueChangedCallback cb, SettingsScope scope)
{
EntryPath path;
path.variable = variableName;
path.service = app->GetName();
path.scope = scope;
auto it_cb = cbValues.find(path);
if (cbValues.end() != it_cb && nullptr != it_cb->second.first) {
LOG_INFO("Callback function on value change (%s) already exists, rewriting", path.to_string().c_str());
}
cbValues[path].first = cb;
auto msg = std::make_shared<settings::Messages::RegisterOnVariableChange>(path);
sendMsg(std::move(msg));
}
void Settings::registerValueChange(const std::string &variableName,
ValueChangedCallbackWithName cb,
SettingsScope scope)
{
EntryPath path;
path.variable = variableName;
path.service = app->GetName();
path.scope = scope;
auto it_cb = cbValues.find(path);
if (cbValues.end() != it_cb && nullptr != it_cb->second.second) {
LOG_INFO("Callback function on value change (%s) already exists, rewriting", path.to_string().c_str());
}
cbValues[path].second = cb;
auto msg = std::make_shared<settings::Messages::RegisterOnVariableChange>(path);
sendMsg(std::move(msg));
}
void Settings::unregisterValueChange(const std::string &variableName, SettingsScope scope)
{
EntryPath path;
path.variable = variableName;
path.service = app->GetName();
path.scope = scope;
auto it_cb = cbValues.find(path);
if (cbValues.end() == it_cb) {
LOG_INFO("Callback function on value change (%s) does not exist", path.to_string().c_str());
}
else {
LOG_DEBUG("[Settings::unregisterValueChange] %s", path.to_string().c_str());
cbValues.erase(it_cb);
}
auto msg = std::make_shared<settings::Messages::UnregisterOnVariableChange>(path);
sendMsg(std::move(msg));
}
void Settings::unregisterValueChange()
{
for (auto it_cb : cbValues) {
LOG_DEBUG("[Settings::unregisterValueChange] %s", it_cb.first.to_string().c_str());
auto msg = std::make_shared<settings::Messages::UnregisterOnVariableChange>(it_cb.first);
sendMsg(std::move(msg));
}
cbValues.clear();
LOG_INFO("Unregistered all settings variable change on application (%s)", app->GetName().c_str());
}
void Settings::setValue(const std::string &variableName, const std::string &variableValue, SettingsScope scope)
{
EntryPath path;
path.variable = variableName;
path.service = app->GetName();
path.scope = scope;
auto msg = std::make_shared<settings::Messages::SetVariable>(path, variableValue);
sendMsg(std::move(msg));
}
void Settings::getAllProfiles(OnAllProfilesRetrievedCallback cb)
{
if (nullptr == cbAllProfiles) {
sendMsg(std::make_shared<settings::Messages::ListProfiles>());
}
cbAllProfiles = cb;
}
void Settings::setCurrentProfile(const std::string &profile)
{
sendMsg(std::make_shared<settings::Messages::SetCurrentProfile>(profile));
}
void Settings::addProfile(const std::string &profile)
{
sendMsg(std::make_shared<settings::Messages::AddProfile>(profile));
}
void Settings::registerProfileChange(ProfileChangedCallback cb)
{
if (nullptr != cbProfile) {
LOG_DEBUG("Profile change callback already exists, overwritting");
}
else {
sendMsg(std::make_shared<settings::Messages::RegisterOnProfileChange>());
}
cbProfile = cb;
}
void Settings::unregisterProfileChange()
{
cbProfile = nullptr;
sendMsg(std::make_shared<settings::Messages::UnregisterOnProfileChange>());
}
void Settings::getAllModes(OnAllModesRetrievedCallback cb)
{
if (nullptr == cbAllModes) {
sendMsg(std::make_shared<settings::Messages::ListModes>());
}
cbAllModes = cb;
}
void Settings::setCurrentMode(const std::string &mode)
{
sendMsg(std::make_shared<settings::Messages::SetCurrentMode>(mode));
}
void Settings::addMode(const std::string &mode)
{
sendMsg(std::make_shared<settings::Messages::AddMode>(mode));
}
void Settings::registerModeChange(ModeChangedCallback cb)
{
if (nullptr != cbMode) {
LOG_DEBUG("ModeChange callback allready set overwriting");
}
else {
sendMsg(std::make_shared<settings::Messages::RegisterOnModeChange>());
}
cbMode = cb;
}
void Settings::unregisterModeChange()
{
cbMode = nullptr;
sendMsg(std::make_shared<settings::Messages::UnregisterOnModeChange>());
}
} // namespace settings