test with env file

.env.example

@@ -0,0 +1,7 @@
+DB_USER=user
+DB_PASSWORD=password
+DB_HOST=localhost
+DB_PORT=3306
+DB_NAME=test_rust_mosquitto
+MQTT_HOST=localhost
+MQTT_PORT=1883

Cargo.lock

@@ -151,17 +151,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -309,9 +298,9 @@ dependencies = [
 
 [[package]]
 name = "cmake"
-version = "0.1.48"
+version = "0.1.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8ad8cef104ac57b68b89df3208164d228503abbdce70f6880ffa3d970e7443a"
+checksum = "a31c789563b815f77f4250caee12365734369f942439b7defd71e18a48197130"
 dependencies = [
  "cc",
 ]
@@ -474,19 +463,6 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
-[[package]]
-name = "env_logger"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
-dependencies = [
- "atty",
- "humantime",
- "log",
- "regex",
- "termcolor",
-]
-
 [[package]]
 name = "event-listener"
 version = "2.5.2"
@@ -777,15 +753,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "humantime"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
-dependencies = [
- "quick-error",
-]
-
 [[package]]
 name = "idna"
 version = "0.2.3"
@@ -1215,10 +1182,12 @@ dependencies = [
 
 [[package]]
 name = "paho-mqtt"
-version = "0.9.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82fea0990fe54e75d575bbd9bc2ee5919fd10cc0b4a95f1967528083129fc4b"
+checksum = "19e405de34b835fb6457d8b0169eda21949f855472b3e346556af9e29fac6eb2"
 dependencies = [
+ "async-channel",
+ "crossbeam-channel",
  "futures",
  "futures-timer",
  "libc",
@@ -1229,9 +1198,9 @@ dependencies = [
 
 [[package]]
 name = "paho-mqtt-sys"
-version = "0.5.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad9ac6a77a7e7c70cd51262b94ab666c9e4c38fb0f4201dba8d7f8589aa8ce4"
+checksum = "5e482419d847af4ec43c07eed70f5f94f87dc712d267aecc91ab940944ab6bf4"
 dependencies = [
  "cmake",
  "openssl-sys",
@@ -1316,12 +1285,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
 version = "1.0.15"
@@ -1419,9 +1382,7 @@ version = "0.1.0"
 dependencies = [
  "async-std",
  "dotenv",
- "env_logger",
  "futures",
- "log",
  "mysql",
  "paho-mqtt",
 ]
@@ -1597,15 +1558,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "termcolor"
-version = "1.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.30"
@@ -1842,15 +1794,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
-dependencies = [
- "winapi",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"

Cargo.toml

@@ -8,14 +8,7 @@ edition = "2018"
 
 [dependencies]
 dotenv = "0.15"
-paho-mqtt = { version = "0.12.1", features = ["vendored-ssl"] }
+paho-mqtt = "0.12"
 futures = "0.3"
 async-std = "1"
-log = "0.4"
 mysql = "*"
-
-[dev-dependencies]
-env_logger = "0.7"
-
-[target.armv7-unknown-linux-gnueabihf]
-linker = "arm-linux-gnueabihf-gcc"

README.md

@@ -0,0 +1,14 @@
+example of systemd config
+```
+[Unit]
+Description=Running rust script
+After=multi-user.target
+
+[Service]
+WorkingDirectory=/home/pi/Scripts/rust_agregator/target/release
+ExecStart=/home/pi/Scripts/rust_mosquitto/target/release/rust_mosquitto
+Type=simple
+
+[Install]
+WantedBy=multi-user.target
+```

src/main.rs

@@ -1,53 +1,64 @@
-use async_std::task;
+use dotenv::dotenv;
-use dotenv;
 use futures::{executor::block_on, stream::StreamExt};
 use paho_mqtt as mqtt;
-use std::time::Duration;
+use std::{env, process, time::Duration};
-// use log::Level;
 
 extern crate mysql;
 
 // The topics to which we subscribe.
-const TOPICS: &str = "#";
+//const TOPICS: &str = "#";
-const QOS: i32 = 1;
+const TOPICS: &[&str] = &["#"];
-
+const QOS: &[i32] = &[1, 1];
-mod mqtt_sub;
 mod reccord;
 //mod sql;
 
 fn main() {
-    dotenv::dotenv().ok();
+    dotenv().ok();
-    // Initialize the logger from the environment
-    // env_logger::init();
 
-    // println!("\n");
+    let mqtt_host = env::var("MQTT_HOST").expect("MQTT_HOST must be set");
-    // for (key, value) in env::vars_os() {
+    let mqtt_port = env::var("MQTT_PORT").expect("MQTT_PORT must be set");
-    //     println!("{:?}: {:?}", key, value);
-    // }
-    // println!("\n");
 
-    let mut cli = mqtt_sub::init_cli();
+    let url = format!("tcp://{}:{}", mqtt_host, mqtt_port);
+    let create_opts = mqtt::CreateOptionsBuilder::new_v3()
+        .server_uri(url.as_str())
+        .client_id("rust_async_subscribe")
+        .finalize();
+
+    // Create the client connection
+    let mut cli = mqtt::AsyncClient::new(create_opts).unwrap_or_else(|e| {
+        println!("Error creating the client: {:?}", e);
+        process::exit(1);
+    });
 
     if let Err(err) = block_on(async {
         // Get message stream before connecting.
         let mut strm = cli.get_stream(25);
 
         // Define the set of options for the connection
-        let lwt = mqtt::Message::new("test", "Async subscriber lost connection", mqtt::QOS_1);
+        let lwt = mqtt::Message::new(
+            "test/lwt",
+            "[LWT] Async subscriber lost connection",
+            mqtt::QOS_1,
+        );
 
-        let conn_opts = mqtt::ConnectOptionsBuilder::new()
+        // Create the connect options, explicitly requesting MQTT v3.x
+        let conn_opts = mqtt::ConnectOptionsBuilder::new_v3()
             .keep_alive_interval(Duration::from_secs(30))
-            .mqtt_version(mqtt::MQTT_VERSION_3_1_1)
             .clean_session(false)
             .will_message(lwt)
             .finalize();
 
         // Make the connection to the broker
-        println!("Connecting to the MQTT server...");
         cli.connect(conn_opts).await?;
-        cli.subscribe(TOPICS, QOS).await?;
+
+        println!("Subscribing to topics: {:?}", TOPICS);
+        cli.subscribe_many(TOPICS, QOS).await?;
+
+        // Just loop on incoming messages.
         println!("Waiting for messages...");
 
+        let mut rconn_attempt: usize = 0;
+
         // Note that we're not providing a way to cleanly shut down and
         // disconnect. Therefore, when you kill this app (with a ^C or
         // whatever) the server will get an unexpected drop and then
@@ -56,14 +67,15 @@ fn main() {
         while let Some(msg_opt) = strm.next().await {
             if let Some(msg) = msg_opt {
                 reccord::message(msg);
-                //sql::send();
+            }
-            } else {
+            else {
                 // A "None" means we were disconnected. Try to reconnect...
-                println!("Lost connection. Attempting reconnect.");
+                println!("Lost connection. Attempting reconnect...");
                 while let Err(err) = cli.reconnect().await {
-                    println!("Error reconnecting: {}", err);
+                    rconn_attempt += 1;
+                    println!("Error reconnecting #{}: {}", rconn_attempt, err);
                     // For tokio use: tokio::time::delay_for()
-                    task::sleep(Duration::from_millis(1000)).await;
+                    async_std::task::sleep(Duration::from_secs(1)).await;
                 }
             }
         }

src/mqtt_sub.rs

@@ -1,27 +0,0 @@
-use paho_mqtt as mqtt;
-use std::{
-    env,
-    process,
-};
-
-
-pub fn init_cli() -> mqtt::AsyncClient {
-    let host = env::args()
-    .nth(1)
-    .unwrap_or_else(|| env::var("MQTTSERVER").unwrap().to_string());
-
-    // Create the client. Use an ID for a persistent session.
-    // A real system should try harder to use a unique ID.
-    let create_opts = mqtt::CreateOptionsBuilder::new()
-        .server_uri(host)
-        .client_id("rust_async_subscribe")
-        .finalize();
-
-    // Create the client connection
-    let cli = mqtt::AsyncClient::new(create_opts).unwrap_or_else(|e| {
-        println!("Error creating the client: {:?}", e);
-        process::exit(1);
-    });
-
-    return cli;
-}

src/reccord.rs

@@ -1,13 +1,9 @@
 use mysql::prelude::*;
 use mysql::*;
 use std::env;
+use dotenv::dotenv;
 
 #[derive(Debug, PartialEq, Eq)]
-struct Payment {
-    customer_id: i32,
-    amount: i32,
-    account_name: Option<String>,
-}
 struct MosquittoMessage {
     service: String,
     capteur: String,
@@ -16,32 +12,32 @@ struct MosquittoMessage {
 }
 
 pub fn message(message: paho_mqtt::Message) {
-    let split: Vec<&str> = message.topic().split("/").collect();
+    dotenv().ok();
+    let db_user = env::var("DB_USER").expect("DB_USER must be set");
+    let db_password = env::var("DB_PASSWORD").expect("DB_PASSWORD must be set");
+    let db_host = env::var("DB_HOST").expect("DB_HOST must be set");
+    let db_port: u16 = env::var("DB_PORT").expect("DB_PORT must be set").parse().unwrap();
+    let db_name = env::var("DB_NAME").expect("DB_NAME must be set");
 
+    let url_builder = format!("mysql://{}:{}@{}:{}/{}", db_user, db_password, db_host, db_port, db_name);
+    let url = Opts::from_url(url_builder.as_str()).unwrap();
+    let pool = Pool::new(url).unwrap();
+    let mut conn = pool.get_conn().unwrap();
+
+    let split: Vec<&str> = message.topic().split("/").collect();
     let data = message.payload_str();
 
-    let message_receved = vec![MosquittoMessage {
+    let message_received = vec![MosquittoMessage {
         service: split[0].to_string(),
         capteur: split[1].to_string(),
         r#type: split[2].to_string(),
         donnee: data.to_string(),
     }];
 
-    let url_builder = format!(
-        "mysql://{}:{}@localhost:3306/{}",
-        env::var("DBUSER").unwrap().to_string(),
-        env::var("DBPASSWORD").unwrap().to_string(),
-        env::var("DBNAME").unwrap().to_string()
-    );
-    let url = Opts::from_url(url_builder.as_str()).unwrap();
-    let pool = Pool::new(url).unwrap();
-
-    let mut conn = pool.get_conn().unwrap();
-
     let _res = conn.exec_batch(
         r"INSERT INTO donnees (service, capteur, type, donnee, date_donnee)
           VALUES (:service, :capteur, :type, :donnee, NOW())",
-        message_receved.iter().map(|p| {
+        message_received.iter().map(|p| {
             params! {
                 "service" => &p.service,
                 "capteur" => &p.capteur,
@@ -52,6 +48,4 @@ pub fn message(message: paho_mqtt::Message) {
     );
 
     println!("topic : {:?} data : {}", split, data.to_string());
-
-    return ();
 }