/* * 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,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(struct afb_req request) { event_ = afb_event_is_valid(event_) ? event_ : afb_daemon_make_event(uuid_.c_str()); return afb_req_subscribe(request, event_); } int clientAppCtx::makeUnsubscription(struct afb_req 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; }