use ntex_mqtt::{v3, v5, MqttServer};
#[derive(Clone)]
struct Session;
#[derive(Debug)]
struct ServerError;
impl From<()> for ServerError {
fn from(_: ()) -> Self {
ServerError
}
}
impl std::convert::TryFrom<ServerError> for v5::PublishAck {
type Error = ServerError;
fn try_from(err: ServerError) -> Result<Self, Self::Error> {
Err(err)
}
}
async fn handshake_v3(
handshake: v3::Handshake,
) -> Result<v3::HandshakeAck<Session>, ServerError> {
log::info!("new connection: {:?}", handshake);
Ok(handshake.ack(Session, false))
}
async fn publish_v3(publish: v3::Publish) -> Result<(), ServerError> {
log::info!("incoming publish: {:?} -> {:?}", publish.id(), publish.topic());
Ok(())
}
async fn handshake_v5(
handshake: v5::Handshake,
) -> Result<v5::HandshakeAck<Session>, ServerError> {
log::info!("new connection: {:?}", handshake);
Ok(handshake.ack(Session))
}
async fn publish_v5(publish: v5::Publish) -> Result<v5::PublishAck, ServerError> {
log::info!("incoming publish: {:?} -> {:?}", publish.id(), publish.topic());
Ok(publish.ack())
}
#[ntex::main]
async fn main() -> std::io::Result<()> {
std::env::set_var("RUST_LOG", "ntex=trace,ntex_mqtt=trace,basic=trace");
env_logger::init();
ntex::server::Server::build()
.bind("mqtt", "127.0.0.1:1883", |_| {
MqttServer::new()
.v3(v3::MqttServer::new(handshake_v3).publish(publish_v3))
.v5(v5::MqttServer::new(handshake_v5).publish(publish_v5))
})?
.workers(1)
.run()
.await
}