feat: MQTT client 改为 paho-mqtt. #5.

src-tauri/src/rpc/manager.rs

@@ -1,7 +1,7 @@
 use paris::error;
 use tokio::sync::{broadcast, OnceCell};
 
-use crate::{display, picker::led_color::LedColor, models};
+use crate::{display, models, picker::led_color::LedColor};
 
 use super::mqtt::MqttRpc;
 
@@ -14,11 +14,13 @@ impl Manager {
     pub async fn global() -> &'static Self {
         static RPC_MANAGER: OnceCell<Manager> = OnceCell::const_new();
 
-        RPC_MANAGER.get_or_init(|| Manager::new()).await
+        RPC_MANAGER
+            .get_or_init(|| async { Manager::new().await.unwrap() })
+            .await
     }
 
-    pub async fn new() -> Self {
+    pub async fn new() -> anyhow::Result<Self> {
-        let mut mqtt = MqttRpc::new();
+        let mqtt = MqttRpc::new().await?;
         let initialized = match mqtt.initialize().await {
             Ok(_) => true,
             Err(err) => {
@@ -26,10 +28,10 @@ impl Manager {
                 false
             }
         };
-        Self {
+        Ok(Self {
             client: mqtt,
             initialized,
-        }
+        })
     }
 
     pub async fn listen(&self) {

src-tauri/src/rpc/mqtt.rs

@@ -1,85 +1,114 @@
 use crate::{display, models};
-use image::EncodableLayout;
+use futures::StreamExt;
-use paris::{warn, info, error};
+use paho_mqtt as mqtt;
-use rumqttc::{
+use paris::{error, info, warn};
-    AsyncClient, ConnectReturnCode, Event, EventLoop, Incoming, MqttOptions, Outgoing, QoS,
+use serde_json::json;
-};
 use std::{borrow::Borrow, rc::Rc, sync::Arc, time::Duration};
 use tauri::async_runtime::{Mutex, TokioJoinHandle};
 use time::{format_description, OffsetDateTime};
 use tokio::{sync::broadcast, task, time::sleep};
 
 const DISPLAY_TOPIC: &'static str = "display-ambient-light/display";
+const DESKTOP_TOPIC: &'static str = "display-ambient-light/desktop";
 const DISPLAY_BRIGHTNESS_TOPIC: &'static str = "display-ambient-light/board/brightness";
 const BOARD_SEND_CMD: &'static str = "display-ambient-light/board/cmd";
 const DESKTOP_SEND_CMD: &'static str = "display-ambient-light/desktop/cmd";
 
 pub struct MqttRpc {
-    client: AsyncClient,
+    client: mqtt::AsyncClient,
     change_display_brightness_tx: broadcast::Sender<display::DisplayBrightness>,
     message_tx: broadcast::Sender<models::MqMessage>,
-    eventloop: Arc<Mutex<EventLoop>>,
 }
 
 impl MqttRpc {
-    pub fn new() -> Self {
+    pub async fn new() -> anyhow::Result<Self> {
-        let mut options = MqttOptions::new("rumqtt-async", "192.168.31.11", 1883);
+        let client = mqtt::AsyncClient::new("tcp://192.168.31.11:1883")
-        options.set_keep_alive(Duration::from_secs(5));
+            .map_err(|err| anyhow::anyhow!("can not create MQTT client. {:?}", err))?;
-        options.set_clean_session(false);
 
-        let (client, mut eventloop) = AsyncClient::new(options, 10);
+        client.set_connected_callback(|client| {
+            info!("MQTT server connected.");
+
+            client.subscribe("display-ambient-light/board/#", mqtt::QOS_1);
+
+            client.subscribe(format!("{}/#", DISPLAY_TOPIC), mqtt::QOS_1);
+        });
+        client.set_connection_lost_callback(|client| {
+            info!("MQTT server connection lost.");
+        });
+        client.set_disconnected_callback(|_, a1, a2| {
+            info!("MQTT server disconnected. {:?} {:?}", a1, a2);
+        });
+
+        let mut last_will_payload = serde_json::Map::new();
+        last_will_payload.insert("message".to_string(), json!("offline"));
+        last_will_payload.insert(
+            "time".to_string(),
+            serde_json::Value::String(
+                OffsetDateTime::now_utc()
+                    .format(
+                        &format_description::parse("[year]-[month]-[day] [hour]:[minute]:[second]")
+                            .unwrap(),
+                    )
+                    .unwrap()
+                    .to_string(),
+            ),
+        );
+
+        let last_will = mqtt::Message::new(
+            format!("{}/status", DESKTOP_TOPIC),
+            serde_json::to_string(&last_will_payload)
+                .unwrap()
+                .as_bytes(),
+            mqtt::QOS_1,
+        );
+
+        let connect_options = mqtt::ConnectOptionsBuilder::new()
+            .keep_alive_interval(Duration::from_secs(5))
+            .automatic_reconnect(Duration::from_secs(1), Duration::from_secs(5))
+            .finalize();
+
+        let token = client.connect(connect_options);
+
+        token.await.map_err(|err| {
+            anyhow::anyhow!(
+                "can not connect MQTT server. wait for connect token failed. {:?}",
+                err
+            )
+        })?;
 
         let (change_display_brightness_tx, _) =
             broadcast::channel::<display::DisplayBrightness>(16);
         let (message_tx, _) = broadcast::channel::<models::MqMessage>(32);
-
+        Ok(Self {
-        Self {
             client,
             change_display_brightness_tx,
             message_tx,
-            eventloop: Arc::new(Mutex::new(eventloop)),
+        })
-        }
     }
 
     pub async fn listen(&self) {
         let change_display_brightness_tx2 = self.change_display_brightness_tx.clone();
         let message_tx_cloned = self.message_tx.clone();
 
-        let mut eventloop = self.eventloop.clone().lock_owned().await;
+        let mut stream = self.client.to_owned().get_stream(100);
 
-        loop {
+        while let Some(notification) = stream.next().await {
-            match eventloop.poll().await {
+            match notification {
-                Ok(notification) => {
+                Some(notification) => match notification.topic() {
-                    if let Event::Incoming(notification) = notification {
-                        if let Incoming::Publish(notification) = notification {
-                            match notification.topic.as_str() {
                     DISPLAY_BRIGHTNESS_TOPIC => {
-                                    let payload_text = String::from_utf8(
+                        let payload_text = String::from_utf8(notification.payload().to_vec());
-                                        notification.payload.as_bytes().to_owned(),
-                                    );
                         match payload_text {
                             Ok(payload_text) => {
-                                            let display_brightness: Result<
+                                let display_brightness: Result<display::DisplayBrightness, _> =
-                                                display::DisplayBrightness,
+                                    serde_json::from_str(payload_text.as_str());
-                                                _,
-                                            > = serde_json::from_str(payload_text.as_str());
                                 match display_brightness {
                                     Ok(display_brightness) => {
-                                                    match change_display_brightness_tx2
+                                        match change_display_brightness_tx2.send(display_brightness)
-                                                        .send(display_brightness)
                                         {
                                             Ok(_) => {}
                                             Err(err) => {
                                                 warn!(
-                                                                "can not broadcast display brightness. {:?}",
+                                                        "can not send display brightness to channel. {:?}",
-                                                                err
-                                                            );
-                                                        }
-                                                    };
-                                                }
-                                                Err(err) => {
-                                                    warn!(
-                                                "can not deserialize display brightness. {:?}",
                                                         err
                                                     );
                                             }
@@ -87,88 +116,69 @@ impl MqttRpc {
                                     }
                                     Err(err) => {
                                         warn!(
-                                                "can not decode display brightness message. {:?}",
+                                            "can not parse display brightness from payload. {:?}",
                                             err
                                         );
                                     }
-                                    };
+                                }
+                            }
+                            Err(err) => {
+                                warn!("can not parse display brightness from payload. {:?}", err);
+                            }
+                        }
                     }
                     BOARD_SEND_CMD => {
-                                    let payload_text = String::from_utf8(
+                        let payload_text = String::from_utf8(notification.payload().to_vec());
-                                        notification.payload.as_bytes().to_owned(),
-                                    );
                         match payload_text {
                             Ok(payload_text) => {
                                 let message: Result<models::MqMessage, _> =
                                     serde_json::from_str(payload_text.as_str());
                                 match message {
-                                                Ok(message) => {
+                                    Ok(message) => match message_tx_cloned.send(message) {
-                                                    match message_tx_cloned.send(message) {
                                         Ok(_) => {}
                                         Err(err) => {
-                                                            warn!(
+                                            warn!("can not send message to channel. {:?}", err);
-                                                                "can not broadcast mq message. {:?}",
-                                                                err
-                                                            );
-                                                        }
-                                                    };
                                         }
+                                    },
                                     Err(err) => {
-                                                    warn!(
+                                        warn!("can not parse message from payload. {:?}", err);
-                                                        "can not deserialize mq message. {:?}",
-                                                        err
-                                                    );
                                     }
                                 }
                             }
                             Err(err) => {
-                                            warn!("can not decode mq message message. {:?}", err);
+                                warn!("can not parse message from payload. {:?}", err);
-                                        }
-                                    };
-                                }
-                                &_ => {}
-                            };
-                        } else if let Incoming::ConnAck(connAck) = notification {
-                            if connAck.code == ConnectReturnCode::Success {
-                                match self.initialize().await {
-                                    Ok(_) => {
-                                        info!("resubscribe topics!");
-                                    }
-                                    Err(err) => {
-                                        info!("resubscribe topics failed! {:?}", err);
-                                    }
-                                };
-                            }
-                        } else if let Incoming::Disconnect = notification {
-                            error!("MQTT Disconnected!");
                             }
                         }
                     }
-                Err(err) => {
+                    _ => {}
-                    println!("MQTT Error Event = {:?}", err);
+                },
+                _ => {
+                    warn!("can not get notification from MQTT server.");
                 }
             }
         }
     }
 
     pub async fn initialize(&self) -> anyhow::Result<()> {
-        self.subscribe_board().await?;
+        // self.subscribe_board()?;
-        self.subscribe_display().await?;
+        // self.subscribe_display()?;
         self.broadcast_desktop_online();
         anyhow::Ok(())
     }
 
-    async fn subscribe_board(&self) -> anyhow::Result<()> {
+    fn subscribe_board(&self) -> anyhow::Result<()> {
         self.client
-            .subscribe("display-ambient-light/board/#", QoS::AtMostOnce)
+            .subscribe("display-ambient-light/board/#", mqtt::QOS_1)
-            .await
+            .wait()
             .map_err(|err| anyhow::anyhow!("subscribe board failed. {:?}", err))
+            .map(|_| ())
     }
-    async fn subscribe_display(&self) -> anyhow::Result<()> {
+    fn subscribe_display(&self) -> anyhow::Result<()> {
         self.client
-            .subscribe(format!("{}/#", DISPLAY_TOPIC), QoS::AtMostOnce)
+            .subscribe(format!("{}/#", DISPLAY_TOPIC), mqtt::QOS_1)
-            .await
+            .wait()
             .map_err(|err| anyhow::anyhow!("subscribe board failed. {:?}", err))
+            .map(|_| ())
     }
 
     fn broadcast_desktop_online(&self) {
@@ -179,15 +189,12 @@ impl MqttRpc {
                     .format(&format_description::well_known::Iso8601::DEFAULT)
                 {
                     Ok(now_str) => {
-                        match client
+                        let msg = mqtt::Message::new(
-                            .publish(
                             "display-ambient-light/desktop/online",
-                                QoS::AtLeastOnce,
-                                false,
                             now_str.as_bytes(),
-                            )
+                            mqtt::QOS_0,
-                            .await
+                        );
-                        {
+                        match client.publish(msg).await {
                             Ok(_) => {}
                             Err(error) => {
                                 warn!("can not publish last online time. {}", error)
@@ -205,12 +212,11 @@ impl MqttRpc {
 
     pub async fn publish_led_sub_pixels(&self, payload: Vec<u8>) -> anyhow::Result<()> {
         self.client
-            .publish(
+            .publish(mqtt::Message::new(
                 "display-ambient-light/desktop/colors",
-                rumqttc::QoS::AtLeastOnce,
-                false,
                 payload,
-            )
+                mqtt::QOS_1,
+            ))
             .await
             .map_err(|error| anyhow::anyhow!("mqtt publish failed. {}", error))
     }
@@ -224,12 +230,11 @@ impl MqttRpc {
         let str = serde_json::to_string(&msg)
             .map_err(|err| anyhow::anyhow!("can not serialize {:?}. {:?}", msg, err))?;
         self.client
-            .publish(
+            .publish(mqtt::Message::new(
                 DESKTOP_SEND_CMD,
-                rumqttc::QoS::AtLeastOnce,
-                false,
                 str.as_bytes(),
-            )
+                mqtt::QOS_1,
+            ))
             .await
             .map_err(|error| anyhow::anyhow!("mqtt publish failed. {}", error))
     }