subscriber.rs

// Copyright (c) 2023 Contributors to the Eclipse Foundation
//
// See the NOTICE file(s) distributed with this work for additional
// information regarding copyright ownership.
//
// This program and the accompanying materials are made available under the
// terms of the Apache Software License 2.0 which is available at
// https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
// which is available at https://opensource.org/licenses/MIT.
//
// SPDX-License-Identifier: Apache-2.0 OR MIT

use core::time::Duration;
use examples_common::CustomHeader;
use iceoryx2::prelude::*;

const CYCLE_TIME: Duration = Duration::from_secs(1);

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let node = NodeBuilder::new().create::<ipc::Service>()?;

    let service = node
        .service_builder(&"My/Funk/ServiceName".try_into()?)
        .publish_subscribe::<u64>()
        .user_header::<CustomHeader>()
        .open_or_create()?;

    let subscriber = service.subscriber_builder().create()?;

    while node.wait(CYCLE_TIME).is_ok() {
        while let Some(sample) = subscriber.receive()? {
            println!(
                "received: {:?}, user_header: {:?}",
                *sample,
                sample.user_header()
            );
        }
    }

    println!("exit");

    Ok(())
}