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//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
use std::time::Duration;
use clap::Parser;
use cloudmqtt::client::connect::MqttClientConnector;
use cloudmqtt::client::send::Publish;
use cloudmqtt::client::MqttClient;
use cloudmqtt::transport::MqttConnectTransport;
use futures::FutureExt;
use tokio::net::TcpStream;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::util::SubscriberInitExt;
#[derive(Debug, Parser)]
#[command(version, about, long_about = None)]
struct Args {
#[arg(long)]
hostname: String,
}
#[tokio::main]
async fn main() {
let args = Args::parse();
let filter = tracing_subscriber::filter::EnvFilter::from_default_env();
let fmt_layer = tracing_subscriber::fmt::layer()
.with_timer(tracing_subscriber::fmt::time::uptime())
.with_level(true)
.with_file(true)
.with_line_number(true)
.pretty();
tracing_subscriber::registry()
.with(filter)
.with(fmt_layer)
.init();
let socket = TcpStream::connect(args.hostname).await.unwrap();
let connection = MqttConnectTransport::TokioTcp(socket);
let client_id =
cloudmqtt::client_identifier::ProposedClientIdentifier::PotentiallyServerProvided;
let connector = MqttClientConnector::new(
connection,
client_id,
cloudmqtt::client::connect::CleanStart::Yes,
cloudmqtt::keep_alive::KeepAlive::Seconds(5.try_into().unwrap()),
);
let client = MqttClient::builder()
.with_on_packet_recv(Box::new(|packet| {
tracing::trace!(?packet, "Received packet")
}))
.with_handle_acknowledge(Box::new(|packet| {
async move {
tracing::trace!(?packet, "Acknowledging packet");
cloudmqtt::client::send::Acknowledge::Yes
}
.boxed()
}))
.build()
.await
.unwrap();
let connected = client.connect(connector).await.unwrap();
let background = tokio::task::spawn(connected.background_task);
client
.publish(Publish {
topic: "foo/bar".try_into().unwrap(),
qos: cloudmqtt::qos::QualityOfService::ExactlyOnce,
retain: false,
payload: vec![123].try_into().unwrap(),
on_packet_recv: None,
})
.await
.unwrap()
.acknowledged()
.await;
client.ping().await.unwrap().response().await;
tokio::time::sleep(Duration::from_secs(3)).await;
client
.publish(Publish {
topic: "foo/bar".try_into().unwrap(),
qos: cloudmqtt::qos::QualityOfService::AtMostOnce,
retain: false,
payload: vec![123].try_into().unwrap(),
on_packet_recv: None,
})
.await
.unwrap();
tokio::time::sleep(Duration::from_secs(20)).await;
println!("Sent message! Bye");
}
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