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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 "clientApp.hpp"
clientAppCtx::clientAppCtx(const char* uuid)
: uuid_{uuid},
event_{nullptr}
{}
void clientAppCtx::update(Signal* sig)
{
json_object* sigJ = sig->toJSON();
if(afb_event_is_valid(event_)) {
if(!afb_event_push(event_, sigJ))
{sig->delObserver(this);}
}
else
{json_object_put(sigJ);}
}
void clientAppCtx::appendSignals(std::vector<std::shared_ptr<Signal>>& sigV)
{
bool set = false;
// Clean up already subscribed signals to avoid duplicata
for (std::vector<std::shared_ptr<Signal>>::const_iterator it = sigV.cbegin();
it != sigV.cend(); ++it)
{
std::shared_ptr<Signal> sig = nullptr;
for (auto& ctxSig: subscribedSignals_)
{if(*it == ctxSig) {set = true;}}
if (set)
{
set = false;
sigV.erase(it);
}
else
{
std::shared_ptr<Signal> sig = *it;
sig->addObserver(this);
}
}
subscribedSignals_.insert(subscribedSignals_.end(), sigV.begin(), sigV.end());
}
void clientAppCtx::subtractSignals(std::vector<std::shared_ptr<Signal>>& sigV)
{
// Clean up already subscribed signals to avoid duplicata
for (std::vector<std::shared_ptr<Signal>>::const_iterator it = sigV.cbegin();
it != sigV.cend(); ++it)
{
for (auto ctxSig = subscribedSignals_.cbegin(); ctxSig != subscribedSignals_.cend();ctxSig++)
{
if(*it == *ctxSig)
{
subscribedSignals_.erase(ctxSig);
break;
}
}
std::shared_ptr<Signal> sig = *it;
sig->delObserver(this);
AFB_NOTICE("Signal %s delete from subscription", sig->id().c_str());
}
}
int clientAppCtx::makeSubscription(afb_req_t request)
{
event_ = afb_event_is_valid(event_) ?
event_ : afb_daemon_make_event(uuid_.c_str());
return afb_req_subscribe(request, event_);
}
int clientAppCtx::makeUnsubscription(afb_req_t request)
{
if(subscribedSignals_.empty())
{
AFB_NOTICE("No more signals subscribed, releasing.");
return afb_event_is_valid(event_) ?
afb_req_unsubscribe(request, event_) : -1;
}
return 0;
}
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