use env_logger;
use lapin;
use log::info;
use crate::lapin::{
BasicProperties, Channel, Connection, ConnectionProperties, ConsumerDelegate,
message::Delivery,
options::*,
types::FieldTable,
};
#[derive(Clone,Debug)]
struct Subscriber {
channel: Channel,
}
impl ConsumerDelegate for Subscriber {
fn on_new_delivery(&self, delivery: Delivery) {
self.channel.basic_ack(delivery.delivery_tag, BasicAckOptions::default()).as_error().expect("basic_ack");
}
}
fn main() {
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()).wait().expect("connection error");
info!("CONNECTED");
let channel_a = conn.create_channel().wait().expect("create_channel");
let channel_b = conn.create_channel().wait().expect("create_channel");
channel_a.queue_declare("hello", QueueDeclareOptions::default(), FieldTable::default()).wait().expect("queue_declare");
let queue = channel_b.queue_declare("hello", QueueDeclareOptions::default(), FieldTable::default()).wait().expect("queue_declare");
info!("will consume");
channel_b.clone().basic_consume(&queue, "my_consumer", BasicConsumeOptions::default(), FieldTable::default()).wait().expect("basic_consume").set_delegate(Box::new(Subscriber { channel: channel_b }));
let payload = b"Hello world!";
loop {
channel_a.basic_publish("", "hello", BasicPublishOptions::default(), payload.to_vec(), BasicProperties::default()).wait().expect("basic_publish");
}
}