1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
|
// 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 "iceoryx_hoofs/cxx/vector.hpp"
#include "iceoryx_hoofs/cxx/string.hpp"
#include "iceoryx_hoofs/posix_wrapper/signal_watcher.hpp"
#include "iceoryx_posh/popo/subscriber.hpp"
#include "iceoryx_posh/runtime/posh_runtime.hpp"
constexpr char APP_NAME[] = "iox-cpp-subscriber-vector";
int main()
{
// initialize runtime
iox::runtime::PoshRuntime::initRuntime(APP_NAME);
// initialize subscriber
iox::popo::Subscriber<iox::cxx::vector<double, 5>> subscriber({"Radar", "FrontRight", "VectorData"});
// run until interrupted by Ctrl-C
while (!iox::posix::hasTerminationRequested())
{
subscriber.take()
.and_then([](auto& sample) {
std::stringstream s;
s << APP_NAME << " got values:";
const char* separator = " ";
//! [vector output]
for (const auto& entry : *sample)
{
s << separator << entry;
separator = ", ";
}
//! [vector output]
std::cout << s.str() << std::endl;
})
.or_else([](auto& result) {
// only has to be called if the alternative is of interest,
// i.e. if nothing has to happen when no data is received and
// a possible error alternative is not checked or_else is not needed
if (result != iox::popo::ChunkReceiveResult::NO_CHUNK_AVAILABLE)
{
std::cout << "Error receiving chunk." << std::endl;
}
});
std::this_thread::sleep_for(std::chrono::seconds(1));
}
return (EXIT_SUCCESS);
}
|