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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "source.hpp"
#include "signal-composer.hpp"
SourceAPI::SourceAPI()
{}
SourceAPI::SourceAPI(const std::string& api, const std::string& info, CtlActionT* init, CtlActionT* getSignals, CtlActionT* onReceived, int retention):api_(api),
info_(info),
init_(init),
getSignals_(getSignals),
signalsDefault_({onReceived, retention})
{}
void SourceAPI::init()
{
if(init_)
{
CtlSourceT source;
source.uid = init_->uid;
source.api = nullptr; // We use binding v2, no dynamic API.
source.request = {nullptr, nullptr};
ActionExecOne(&source, init_, nullptr);
return;
}
else if(api_ == afbBindingV2.api)
{api_ = Composer::instance().ctlConfig()->api;}
}
std::string SourceAPI::api() const
{
return api_;
}
const struct signalsDefault& SourceAPI::signalsDefault() const
{
return signalsDefault_;
}
void SourceAPI::addSignal(const std::string& id, const std::string& event, std::vector<std::string>& depends, int retention, const std::string& unit, double frequency, CtlActionT* onReceived, json_object* getSignalsArgs)
{
std::shared_ptr<Signal> sig = std::make_shared<Signal>(id, event, depends, unit, retention, frequency, onReceived, getSignalsArgs);
newSignalsM_[id] = sig;
}
void SourceAPI::initSignals()
{
Composer& composer = Composer::instance();
int err = 0;
for(auto& i: newSignalsM_)
{i.second->attachToSourceSignals(composer);}
for(auto i = newSignalsM_.begin(); i != newSignalsM_.end();)
{
if (err += i->second->initialRecursionCheck())
{
AFB_ERROR("There is an infinite recursion loop in your signals definition. Root coming from signal: %s. Ignoring it.", i->second->id().c_str());
++i;
continue;
}
signalsM_[i->first] = i->second;
i = newSignalsM_.erase(i);
}
}
std::vector<std::shared_ptr<Signal>> SourceAPI::getSignals() const
{
std::vector<std::shared_ptr<Signal>> signals;
for (auto& sig: signalsM_)
{
signals.push_back(sig.second);
}
for (auto& sig: newSignalsM_)
{
signals.push_back(sig.second);
}
return signals;
}
/// @brief Search a signal in a source instance. If an exact signal name is find
/// then it will be returned else it will be search against each signals
/// contained in the map and signal will be deeper evaluated.
///
/// @param[in] name - A signal name to be searched
///
/// @return Returns a vector of found signals.
std::vector<std::shared_ptr<Signal>> SourceAPI::searchSignals(const std::string& name)
{
std::vector<std::shared_ptr<Signal>> signals;
if(signalsM_.count(name))
{signals.emplace_back(signalsM_[name]);}
if(newSignalsM_.count(name))
{signals.emplace_back(signalsM_[name]);}
else
{
for (auto& sig: signalsM_)
{
if(*sig.second == name)
{signals.emplace_back(sig.second);}
}
for (auto& sig: newSignalsM_)
{
if(*sig.second == name)
{signals.emplace_back(sig.second);}
}
}
return signals;
}
void SourceAPI::makeSubscription()
{
if(getSignals_)
{
CtlSourceT source;
source.uid = api_.c_str();
source.api = nullptr; // We use binding v2, no dynamic API.
source.request = {nullptr, nullptr};
for(auto& sig: signalsM_)
{
if(!sig.second->subscribed_)
{
json_object* signalJ = sig.second->toJSON();
if(!signalJ)
{
AFB_ERROR("Error building JSON query object to subscribe to for signal %s", sig.second->id().c_str());
break;
}
source.uid = sig.first.c_str();
source.context = getSignals_->type == CTL_TYPE_CB ?
getSignals_->exec.cb.plugin->context:
nullptr;
ActionExecOne(&source, getSignals_, signalJ);
// Considerate signal subscribed no matter what
sig.second->subscribed_ = true;
json_object_put(signalJ);
}
}
source.uid = "";
ActionExecOne(&source, getSignals_, nullptr);
}
}
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