tokio-amqp 0.1.0-rc1

use lapin::{
    message::DeliveryResult, options::*, publisher_confirm::Confirmation, types::FieldTable,
    BasicProperties, Connection, ConnectionProperties, Result,
};
use log::info;
use std::sync::Arc;
use tokio_amqp::*;

#[tokio::main]
async fn main() -> Result<()> {
    env_logger::init();

    let addr = std::env::var("AMQP_ADDR").unwrap_or_else(|_| "amqp://127.0.0.1:5672/%2f".into());
    let conn = Connection::connect(&addr, ConnectionProperties::default().with_tokio()).await?;

    info!("CONNECTED");

    let channel_a = conn.create_channel().await?;
    let channel_b = conn.create_channel().await?;

    let queue = channel_a
        .queue_declare(
            "hello",
            QueueDeclareOptions::default(),
            FieldTable::default(),
        )
        .await?;

    info!("Declared queue {:?}", queue);

    let channel_b = Arc::new(channel_b);
    let consumer = channel_b
        .clone()
        .basic_consume(
            "hello",
            "my_consumer",
            BasicConsumeOptions::default(),
            FieldTable::default(),
        )
        .await?;

    consumer.set_delegate(move |delivery: DeliveryResult| {
        let channel_b = channel_b.clone();
        async move {
            let delivery = delivery.expect("error caught in in consumer");
            if let Some(delivery) = delivery {
                channel_b
                    .basic_ack(delivery.delivery_tag, BasicAckOptions::default())
                    .await
                    .expect("failed to ack");
            }
        }
    });

    let payload = b"Hello world!";

    loop {
        let confirm = channel_a
            .basic_publish(
                "",
                "hello",
                BasicPublishOptions::default(),
                payload.to_vec(),
                BasicProperties::default(),
            )
            .await?
            .await?;
        assert_eq!(confirm, Confirmation::NotRequested);
    }
}