feat: 支持获取和查看板子连接的情况。

This commit is contained in:
Ivan Li 2023-04-30 18:44:26 +08:00
parent 11045f27d8
commit 6c90a5e655
6 changed files with 193 additions and 58 deletions

View File

@ -419,12 +419,13 @@ async fn main() {
loop {
match UdpRpc::global().await {
Ok(udp_rpc) => {
let mut receiver = udp_rpc.clone_boards_change_receiver().await;
let mut receiver = udp_rpc.subscribe_boards_change();
loop {
if let Err(err) = receiver.changed().await {
error!("boards change receiver changed error: {}", err);
return;
}
log::info!("boards changed");
let boards = receiver.borrow().clone();

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@ -1,10 +1,61 @@
use std::net::{Ipv4Addr};
use std::{net::Ipv4Addr, time::Duration};
use paris::warn;
use serde::{Deserialize, Serialize};
use tokio::{net::UdpSocket, time::timeout};
#[derive(Debug, Clone, Eq, PartialEq, Hash, Serialize, Deserialize)]
pub struct BoardInfo {
pub name: String,
pub host: String,
pub address: Ipv4Addr,
pub port: u16,
pub is_online: bool,
pub checked_at: Option<std::time::SystemTime>,
pub ttl: Option<u128>,
}
impl BoardInfo {
pub fn new(host: String, address: Ipv4Addr, port: u16) -> Self {
Self {
host,
address,
port,
is_online: false,
checked_at: None,
ttl: None,
}
}
pub async fn check(&mut self) -> anyhow::Result<()> {
let socket = UdpSocket::bind("0.0.0.0:0").await?;
socket.connect((self.address, self.port)).await?;
let instant = std::time::Instant::now();
socket.send(&[1]).await?;
let mut buf = [0u8; 1];
let recv_future = socket.recv(&mut buf);
match timeout(Duration::from_secs(5), recv_future).await {
Ok(_) => {
let ttl = instant.elapsed();
log::info!("buf: {:?}", buf);
if buf == [1] {
self.is_online = true;
} else {
self.is_online = false;
}
self.ttl = Some(ttl.as_millis());
}
Err(_) => {
warn!("timeout");
self.is_online = false;
self.ttl = None;
}
}
self.checked_at = Some(std::time::SystemTime::now());
Ok(())
}
}

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@ -1,12 +1,11 @@
use std::{collections::HashSet, sync::Arc, time::Duration};
use futures::future::join_all;
use itertools::Itertools;
use mdns_sd::{ServiceDaemon, ServiceEvent};
use paris::{error, info, warn};
use tokio::{
net::UdpSocket,
sync::{watch, Mutex, OnceCell, RwLock},
sync::{watch, OnceCell, RwLock},
};
use super::BoardInfo;
@ -15,8 +14,7 @@ use super::BoardInfo;
pub struct UdpRpc {
socket: Arc<UdpSocket>,
boards: Arc<RwLock<HashSet<BoardInfo>>>,
boards_change_sender: Arc<Mutex<watch::Sender<HashSet<BoardInfo>>>>,
boards_change_receiver: Arc<Mutex<watch::Receiver<HashSet<BoardInfo>>>>,
boards_change_sender: Arc<watch::Sender<Vec<BoardInfo>>>,
}
impl UdpRpc {
@ -36,22 +34,23 @@ impl UdpRpc {
let socket = UdpSocket::bind("0.0.0.0:0").await?;
let socket = Arc::new(socket);
let boards = Arc::new(RwLock::new(HashSet::new()));
let (boards_change_sender, boards_change_receiver) = watch::channel(HashSet::new());
let boards_change_sender = Arc::new(Mutex::new(boards_change_sender));
let boards_change_receiver = Arc::new(Mutex::new(boards_change_receiver));
let (boards_change_sender, _) = watch::channel(Vec::new());
let boards_change_sender = Arc::new(boards_change_sender);
Ok(Self {
socket,
boards,
boards_change_sender,
boards_change_receiver,
})
}
async fn initialize(&self) {
let shared_self = Arc::new(self.clone());
let shared_self_for_search = shared_self.clone();
tokio::spawn(async move {
loop {
match shared_self.search_boards().await {
match shared_self_for_search.search_boards().await {
Ok(_) => {
info!("search_boards finished");
}
@ -62,44 +61,63 @@ impl UdpRpc {
}
}
});
let shared_self_for_check = shared_self.clone();
tokio::spawn(async move {
shared_self_for_check.check_boards().await;
});
// let shared_self_for_watch = shared_self.clone();
// tokio::spawn(async move {
// let mut rx = shared_self_for_watch.clone_boards_change_receiver().await;
// // let mut rx = sub_tx.subscribe();
// // drop(sub_tx);
// while rx.changed().await.is_ok() {
// let boards = rx.borrow().clone();
// info!("boards changed: {:?}", boards);
// }
// });
}
async fn search_boards(&self) -> anyhow::Result<()> {
let service_type = "_ambient_light._udp.local.";
let mdns = ServiceDaemon::new()?;
let shared_self = Arc::new(Mutex::new(self.clone()));
let receiver = mdns.browse(&service_type).map_err(|e| {
warn!("Failed to browse for {:?}: {:?}", service_type, e);
e
})?;
let sender = self.boards_change_sender.clone();
while let Ok(event) = receiver.recv() {
match event {
ServiceEvent::ServiceResolved(info) => {
info!(
"Resolved a new service: {} host: {} port: {} IP: {:?} TXT properties: {:?}",
info.get_fullname(),
info.get_hostname(),
info.get_port(),
info.get_addresses(),
info.get_properties(),
);
"Resolved a new service: {} host: {} port: {} IP: {:?} TXT properties: {:?}",
info.get_fullname(),
info.get_hostname(),
info.get_port(),
info.get_addresses(),
info.get_properties(),
);
let shared_self = shared_self.lock().await;
let mut boards = shared_self.boards.write().await;
let mut boards = self.boards.write().await;
let board = BoardInfo {
name: info.get_fullname().to_string(),
address: info.get_addresses().iter().next().unwrap().clone(),
port: info.get_port(),
};
let board = BoardInfo::new(
info.get_fullname().to_string(),
info.get_addresses().iter().next().unwrap().clone(),
info.get_port(),
);
if boards.insert(board.clone()) {
info!("added board {:?}", board);
}
let sender = self.boards_change_sender.clone().lock_owned().await;
sender.send(boards.clone())?;
let tx_boards = boards.iter().cloned().collect();
drop(boards);
sender.send(tx_boards)?;
tokio::task::yield_now().await;
}
other_event => {
warn!("{:?}", &other_event);
@ -110,32 +128,28 @@ impl UdpRpc {
Ok(())
}
pub async fn clone_boards_change_receiver(
&self,
) -> watch::Receiver<HashSet<BoardInfo>> {
let boards_change_receiver = self.boards_change_receiver.clone().lock_owned().await;
boards_change_receiver.clone()
pub fn subscribe_boards_change(&self) -> watch::Receiver<Vec<BoardInfo>> {
self.boards_change_sender.subscribe()
}
pub async fn get_boards(&self) -> HashSet<BoardInfo> {
let boards = self.boards.read().await;
boards.clone()
pub async fn get_boards(&self) -> Vec<BoardInfo> {
let boards: tokio::sync::RwLockReadGuard<HashSet<BoardInfo>> = self.boards.read().await;
boards.iter().cloned().collect()
}
pub async fn send_to_all(&self, buff: &Vec<u8>) -> anyhow::Result<()> {
let boards = self.get_boards().await;
let socket = self.socket.clone();
let handlers = boards.into_iter()
.map(|board| {
let handlers = boards.into_iter().map(|board| {
let socket = socket.clone();
let buff = buff.clone();
tokio::spawn(async move {
match socket.send_to(&buff, (board.address, board.port)).await {
Ok(_) => {},
Ok(_) => {}
Err(err) => {
error!("failed to send to {}: {:?}", board.name, err);
},
error!("failed to send to {}: {:?}", board.host, err);
}
}
})
});
@ -144,4 +158,31 @@ impl UdpRpc {
Ok(())
}
pub async fn check_boards(&self) {
loop {
tokio::time::sleep(Duration::from_secs(1)).await;
let mut boards = self.get_boards().await;
if boards.is_empty() {
info!("no boards found");
continue;
}
for board in &mut boards {
if let Err(err) = board.check().await {
error!("failed to check board {}: {:?}", board.host, err);
}
}
let board_change_sender = self.boards_change_sender.clone();
if let Err(err) = board_change_sender.send(boards) {
error!("failed to send board change: {:?}", err);
} else {
info!("send");
}
drop(board_change_sender);
}
}
}

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@ -3,6 +3,7 @@ import { BoardInfo } from '../../models/board-info.model';
import { listen } from '@tauri-apps/api/event';
import debug from 'debug';
import { invoke } from '@tauri-apps/api';
import { BoardInfoPanel } from './board-info-panel';
const logger = debug('app:components:info:board-index');
@ -28,19 +29,8 @@ export const BoardIndex: Component = () => {
<ol class="grid sm:grid-cols-1 md:grid-cols-2 lg:grid-cols-3 p-2 gap-2">
<For each={boards()}>
{(board, index) => (
<li class="p-2 rounded shadow bg-slate-50 text-gray-800 relative border-2 border-slate-50 hover:border-sky-300 focus:border-sky-300 transition">
<dl class="flex">
<dt class="w-20">host</dt>
<dd class="flex-auto">{board.name}</dd>
</dl>
<dl class="flex">
<dt class="w-20">Ip Addr</dt>
<dd class="flex-auto font-mono">{board.address}</dd>
</dl>
<dl class="flex">
<dt class="w-20">Port</dt>
<dd class="flex-auto font-mono">{board.port}</dd>
</dl>
<li class="bg-slate-50 text-gray-800 relative border-2 border-slate-50 hover:border-sky-300 focus:border-sky-300 transition">
<BoardInfoPanel board={board} />
<span class="absolute left-2 -top-3 bg-sky-300 text-white px-1 py-0.5 text-xs rounded-sm font-mono">
#{index() + 1}
</span>

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@ -0,0 +1,49 @@
import { Component, ParentComponent, createMemo } from 'solid-js';
import { BoardInfo } from '../../models/board-info.model';
type ItemProps = {
label: string;
};
const Item: ParentComponent<ItemProps> = (props) => {
return (
<dl class="flex">
<dt class="w-20">{props.label}</dt>
<dd class="flex-auto">{props.children}</dd>
</dl>
);
};
export const BoardInfoPanel: Component<{ board: BoardInfo }> = (props) => {
const ttl = createMemo(() => {
if (!props.board.is_online) {
return '--';
}
if (props.board.ttl == null) {
return 'timeout';
}
return (
<>
<span class="font-mono">{props.board.ttl.toFixed(0)}</span> ms
</>
);
});
return (
<section class="p-2 rounded shadow">
<Item label="Host">{props.board.host}</Item>
<Item label="Ip Addr">
<span class="font-mono">{props.board.address}</span>
</Item>
<Item label="Port">
<span class="font-mono">{props.board.port}</span>
</Item>
<Item label="Status">
<span class="font-mono">{props.board.is_online ? 'Online' : 'Offline'}</span>
</Item>
<Item label="TTL">{ttl()}</Item>
</section>
);
};

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@ -1,5 +1,8 @@
export type BoardInfo = {
name: string;
host: string;
address: string;
port: number;
ttl: number;
is_online: boolean;
checked_at: Date;
};