// Copyright (c) 2021 by Apex.AI Inc. All rights reserved. // // 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. // // SPDX-License-Identifier: Apache-2.0 //! [include] #include "topic_data.hpp" #include "iceoryx_hoofs/posix_wrapper/signal_watcher.hpp" #include "iceoryx_posh/popo/subscriber.hpp" #include "iceoryx_posh/runtime/posh_runtime.hpp" //! [include] #include int main() { //! [initialize runtime] constexpr char APP_NAME[] = "iox-cpp-subscriber-helloworld"; iox::runtime::PoshRuntime::initRuntime(APP_NAME); //! [initialize runtime] //! [initialize subscriber] iox::popo::Subscriber subscriber({"Radar", "FrontLeft", "Object"}); //! [initialize subscriber] // run until interrupted by Ctrl-C while (!iox::posix::hasTerminationRequested()) { //! [receive] auto takeResult = subscriber.take(); if (!takeResult.has_error()) { std::cout << APP_NAME << " got value: " << takeResult.value()->x << std::endl; } //! [receive] else { //! [error] if (takeResult.get_error() == iox::popo::ChunkReceiveResult::NO_CHUNK_AVAILABLE) { std::cout << "No chunk available." << std::endl; } else { std::cout << "Error receiving chunk." << std::endl; } //! [error] } //! [wait] std::this_thread::sleep_for(std::chrono::milliseconds(100)); //! [wait] } return (EXIT_SUCCESS); }