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semtech_udp_test.rs
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use std::env;
use std::io::Cursor;
use std::time::Duration;
use chrono::{DateTime, Utc};
use prost::Message;
use rumqttc::v5::{mqttbytes::QoS, AsyncClient, Event, Incoming, MqttOptions};
use tokio::net::UdpSocket;
use tokio::sync::mpsc;
use tokio::time::sleep;
use chirpstack_api::{common, gw};
use chirpstack_mqtt_forwarder::config;
#[tokio::test]
async fn end_to_end() {
dotenv::dotenv().ok();
dotenv::from_filename(".env.local").ok();
let mut buffer: [u8; 65535] = [0; 65535];
let mut c = config::Configuration {
backend: config::Backend {
gateway_id: "0102030405060708".into(),
..Default::default()
},
mqtt: config::Mqtt {
server: env::var("TEST_MQTT_BROKER_URL").unwrap(),
..Default::default()
},
..Default::default()
};
c.metadata
.r#static
.insert("foo".to_string(), "bar".to_string());
c.metadata.commands.insert(
"hello".to_string(),
vec!["echo".to_string(), "hello world".to_string()],
);
// UDP
let socket = UdpSocket::bind("0.0.0.0:0").await.unwrap();
socket.connect("0.0.0.0:1700").await.unwrap();
// MQTT
let mut mqtt_opts = MqttOptions::parse_url(format!(
"{}?client_id=test",
env::var("TEST_MQTT_BROKER_URL").unwrap()
))
.unwrap();
mqtt_opts.set_clean_start(true);
let (client, mut eventloop) = AsyncClient::new(mqtt_opts, 100);
let (mqtt_tx, mut mqtt_rx) = mpsc::channel(100);
tokio::spawn({
async move {
loop {
if let Ok(v) = eventloop.poll().await {
if let Event::Incoming(Incoming::Publish(p)) = v {
mqtt_tx.send(p).await.unwrap()
}
}
}
}
});
client
.subscribe("eu868/gateway/0102030405060708/event/+", QoS::AtLeastOnce)
.await
.unwrap();
client
.subscribe("eu868/gateway/0102030405060708/state/+", QoS::AtLeastOnce)
.await
.unwrap();
// Sleep some time to receive message from MQTT broker.
// Drain the channel.
sleep(Duration::from_millis(100)).await;
loop {
if mqtt_rx.try_recv().is_err() {
break;
}
}
chirpstack_mqtt_forwarder::metadata::setup(&c).unwrap();
chirpstack_mqtt_forwarder::backend::setup(&c).await.unwrap();
chirpstack_mqtt_forwarder::mqtt::setup(&c).await.unwrap();
// PULL_DATA
socket
.send(&[2, 0, 1, 2, 1, 2, 3, 4, 5, 6, 7, 8])
.await
.unwrap();
// PULL_ACK
let size = socket.recv(&mut buffer).await.unwrap();
assert_eq!(&[2, 0, 1, 4], &buffer[..size]);
// MQTT conn state
let mqtt_msg = mqtt_rx.recv().await.unwrap();
assert_eq!(
"eu868/gateway/0102030405060708/state/conn",
String::from_utf8(mqtt_msg.topic.to_vec()).unwrap()
);
let pl = gw::ConnState::decode(&mut Cursor::new(mqtt_msg.payload.to_vec())).unwrap();
assert_eq!(
gw::ConnState {
gateway_id: "0102030405060708".into(),
state: gw::conn_state::State::Online.into(),
..Default::default()
},
pl
);
// PUSH_DATA rxpk
let pl_b = r#"{
"rxpk": [
{
"time": "2022-09-10T12:30:15Z",
"tmst": 1234,
"chan": 2,
"rfch": 0,
"freq": 868.1,
"stat": 1,
"modu": "LORA",
"datr": "SF7BW125",
"codr": "4/5",
"rssi": -35,
"lsnr": 5.1,
"size": 3,
"data": "AQID"
}
]
}"#;
let ts = DateTime::parse_from_str("2022-09-10T12:30:15Z", "%+")
.unwrap()
.with_timezone(&Utc);
let mut b = vec![2, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8];
b.extend_from_slice(pl_b.as_bytes());
socket.send(&b).await.unwrap();
// PUSH_ACK
let size = socket.recv(&mut buffer).await.unwrap();
assert_eq!(&[2, 0, 1, 1], &buffer[..size]);
// MQTT up event
let mqtt_msg = mqtt_rx.recv().await.unwrap();
assert_eq!(
"eu868/gateway/0102030405060708/event/up",
String::from_utf8(mqtt_msg.topic.to_vec()).unwrap()
);
let mut pl = gw::UplinkFrame::decode(&mut Cursor::new(mqtt_msg.payload.to_vec())).unwrap();
assert_ne!(0, pl.rx_info.as_ref().unwrap().uplink_id);
pl.rx_info.as_mut().unwrap().uplink_id = 0;
assert_eq!(
gw::UplinkFrame {
phy_payload: vec![1, 2, 3],
tx_info: Some(gw::UplinkTxInfo {
frequency: 868100000,
modulation: Some(gw::Modulation {
parameters: Some(gw::modulation::Parameters::Lora(gw::LoraModulationInfo {
bandwidth: 125000,
spreading_factor: 7,
code_rate: gw::CodeRate::Cr45.into(),
..Default::default()
})),
}),
}),
rx_info: Some(gw::UplinkRxInfo {
gateway_id: "0102030405060708".into(),
gw_time: Some(pbjson_types::Timestamp::from(ts)),
rssi: -35,
snr: 5.1,
channel: 2,
rf_chain: 0,
context: vec![0, 0, 4, 210],
crc_status: gw::CrcStatus::CrcOk.into(),
..Default::default()
}),
..Default::default()
},
pl
);
// MQTT downlink
let pl = gw::DownlinkFrame {
downlink_id: 1234,
gateway_id: "0102030405060708".into(),
items: vec![gw::DownlinkFrameItem {
phy_payload: vec![1, 2, 3],
tx_info: Some(gw::DownlinkTxInfo {
frequency: 868300000,
power: 16,
modulation: Some(gw::Modulation {
parameters: Some(gw::modulation::Parameters::Lora(gw::LoraModulationInfo {
bandwidth: 125000,
spreading_factor: 8,
code_rate: gw::CodeRate::Cr45.into(),
..Default::default()
})),
}),
timing: Some(gw::Timing {
parameters: Some(gw::timing::Parameters::Delay(gw::DelayTimingInfo {
delay: Some(pbjson_types::Duration::from(Duration::from_secs(1))),
})),
}),
context: vec![0, 0, 4, 210],
..Default::default()
}),
..Default::default()
}],
..Default::default()
};
client
.publish(
"eu868/gateway/0102030405060708/command/down",
QoS::AtLeastOnce,
false,
pl.encode_to_vec(),
)
.await
.unwrap();
// PULL_RESP
let size = socket.recv(&mut buffer).await.unwrap();
assert_eq!(&[2, 210, 4, 3], &buffer[..4]);
let json = String::from_utf8_lossy(&buffer[4..size]);
assert_eq!("{\"txpk\":{\"imme\":false,\"rfch\":0,\"powe\":16,\"ant\":0,\"brd\":0,\"tmst\":1001234,\"tmms\":null,\"freq\":868.3,\"modu\":\"LORA\",\"datr\":\"SF8BW125\",\"codr\":\"4/5\",\"fdev\":null,\"ncrc\":null,\"ipol\":false,\"prea\":null,\"size\":3,\"data\":\"AQID\"}}", json);
// TX_ACK
socket
.send(&[2, 210, 4, 5, 1, 2, 3, 4, 5, 6, 7, 8])
.await
.unwrap();
// MQTT ack event
let mqtt_msg = mqtt_rx.recv().await.unwrap();
assert_eq!(
"eu868/gateway/0102030405060708/event/ack",
String::from_utf8(mqtt_msg.topic.to_vec()).unwrap()
);
let pl = gw::DownlinkTxAck::decode(&mut Cursor::new(mqtt_msg.payload.to_vec())).unwrap();
assert_eq!(
gw::DownlinkTxAck {
gateway_id: "0102030405060708".into(),
downlink_id: 1234,
items: vec![gw::DownlinkTxAckItem {
status: gw::TxAckStatus::Ok.into(),
}],
..Default::default()
},
pl
);
// PUSH_DATA stat
let pl_b = r#"{
"stat": {
"time": "2022-09-10 12:30:15 GMT",
"lati": 46.24000,
"long": 3.25230,
"alti": 145,
"rxnb": 1,
"rxok": 1,
"rxfw": 1,
"ackr": 100.0,
"dwnb": 1,
"txnb": 1
}
}"#;
let mut b = vec![2, 0, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8];
b.extend_from_slice(pl_b.as_bytes());
socket.send(&b).await.unwrap();
// PUSH_ACK
let size = socket.recv(&mut buffer).await.unwrap();
assert_eq!(&[2, 0, 1, 1], &buffer[..size]);
// MQTT stats event
let mqtt_msg = mqtt_rx.recv().await.unwrap();
assert_eq!(
"eu868/gateway/0102030405060708/event/stats",
String::from_utf8(mqtt_msg.topic.to_vec()).unwrap()
);
let pl = gw::GatewayStats::decode(&mut Cursor::new(mqtt_msg.payload.to_vec())).unwrap();
assert_eq!(
gw::GatewayStats {
gateway_id: "0102030405060708".into(),
time: Some(pbjson_types::Timestamp::from(ts)),
location: Some(common::Location {
latitude: 46.24,
longitude: 3.2523,
altitude: 145.0,
source: common::LocationSource::Gps.into(),
..Default::default()
}),
rx_packets_received: 1,
rx_packets_received_ok: 1,
tx_packets_received: 1,
tx_packets_emitted: 1,
tx_packets_per_frequency: [(868300000, 1)].iter().cloned().collect(),
rx_packets_per_frequency: [(868100000, 1)].iter().cloned().collect(),
tx_packets_per_modulation: vec![gw::PerModulationCount {
modulation: Some(gw::Modulation {
parameters: Some(gw::modulation::Parameters::Lora(gw::LoraModulationInfo {
bandwidth: 125000,
spreading_factor: 8,
code_rate: gw::CodeRate::Cr45.into(),
..Default::default()
})),
}),
count: 1,
}],
rx_packets_per_modulation: vec![gw::PerModulationCount {
modulation: Some(gw::Modulation {
parameters: Some(gw::modulation::Parameters::Lora(gw::LoraModulationInfo {
bandwidth: 125000,
spreading_factor: 7,
code_rate: gw::CodeRate::Cr45.into(),
..Default::default()
})),
}),
count: 1,
}],
tx_packets_per_status: [(gw::TxAckStatus::Ok.into(), 1),].iter().cloned().collect(),
metadata: [
(
"mqtt_forwarder_version".to_string(),
env!("CARGO_PKG_VERSION").to_string()
),
("foo".to_string(), "bar".to_string()),
("hello".to_string(), "hello world".to_string()),
]
.iter()
.cloned()
.collect(),
..Default::default()
},
pl
);
}