show device status

server/Cargo.lock

@@ -116,7 +116,7 @@ dependencies = [
  "miniz_oxide",
  "object",
  "rustc-demangle",
- "windows-targets",
+ "windows-targets 0.52.6",
 ]
 
 [[package]]
@@ -213,6 +213,21 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.31"
@@ -220,6 +235,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -228,6 +244,40 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
 
+[[package]]
+name = "futures-executor"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
+
 [[package]]
 name = "futures-task"
 version = "0.3.31"
@@ -240,10 +290,16 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
 dependencies = [
+ "futures-channel",
  "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
+ "slab",
 ]
 
 [[package]]
@@ -417,6 +473,18 @@ dependencies = [
  "adler2",
 ]
 
+[[package]]
+name = "mio"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
+dependencies = [
+ "libc",
+ "log",
+ "wasi",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "mio"
 version = "1.0.3"
@@ -425,7 +493,7 @@ checksum = "2886843bf800fba2e3377cff24abf6379b4c4d5c6681eaf9ea5b0d15090450bd"
 dependencies = [
  "libc",
  "wasi",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -485,9 +553,15 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-targets",
+ "windows-targets 0.52.6",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
@@ -506,6 +580,19 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "ping-rs"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d873f038f84371f9c7fa13f6afea4d5f1fbcd5070ba8eb7af2a6d41c768eff8b"
+dependencies = [
+ "futures",
+ "mio 0.8.11",
+ "paste",
+ "socket2 0.4.10",
+ "windows",
+]
+
 [[package]]
 name = "postcard"
 version = "1.1.1"
@@ -652,6 +739,7 @@ dependencies = [
  "anyhow",
  "axum",
  "common",
+ "ping-rs",
  "postcard",
  "serde",
  "tokio",
@@ -678,12 +766,31 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
+[[package]]
+name = "socket2"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f7916fc008ca5542385b89a3d3ce689953c143e9304a9bf8beec1de48994c0d"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "socket2"
 version = "0.5.8"
@@ -691,7 +798,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c970269d99b64e60ec3bd6ad27270092a5394c4e309314b18ae3fe575695fbe8"
 dependencies = [
  "libc",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -802,13 +909,13 @@ dependencies = [
  "backtrace",
  "bytes",
  "libc",
- "mio",
+ "mio 1.0.3",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "socket2 0.5.8",
  "tokio-macros",
- "windows-sys",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -960,13 +1067,52 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.43.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04662ed0e3e5630dfa9b26e4cb823b817f1a9addda855d973a9458c236556244"
+dependencies = [
+ "windows_aarch64_gnullvm 0.42.2",
+ "windows_aarch64_msvc 0.42.2",
+ "windows_i686_gnu 0.42.2",
+ "windows_i686_msvc 0.42.2",
+ "windows_x86_64_gnu 0.42.2",
+ "windows_x86_64_gnullvm 0.42.2",
+ "windows_x86_64_msvc 0.42.2",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
- "windows-targets",
+ "windows-targets 0.52.6",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
 ]
 
 [[package]]
@@ -975,28 +1121,64 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
 dependencies = [
- "windows_aarch64_gnullvm",
+ "windows_aarch64_gnullvm 0.52.6",
- "windows_aarch64_msvc",
+ "windows_aarch64_msvc 0.52.6",
- "windows_i686_gnu",
+ "windows_i686_gnu 0.52.6",
  "windows_i686_gnullvm",
- "windows_i686_msvc",
+ "windows_i686_msvc 0.52.6",
- "windows_x86_64_gnu",
+ "windows_x86_64_gnu 0.52.6",
- "windows_x86_64_gnullvm",
+ "windows_x86_64_gnullvm 0.52.6",
- "windows_x86_64_msvc",
+ "windows_x86_64_msvc 0.52.6",
 ]
 
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
 [[package]]
 name = "windows_aarch64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
 
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
 [[package]]
 name = "windows_i686_gnu"
 version = "0.52.6"
@@ -1009,24 +1191,72 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
 [[package]]
 name = "windows_i686_msvc"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
 
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
 [[package]]
 name = "windows_x86_64_gnullvm"
 version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.52.6"

server/Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 anyhow = "1.0.94"
 axum = "0.7.9"
 common = {path = "../common"}
+ping-rs = "0.1.2"
 postcard = {version = "1.0.0", features = ["alloc"]}
 serde = "*"
 tokio = { version = "1.42.0", features = ["full"] }

server/src/main.rs

@@ -1,21 +1,33 @@
 
-use std::{sync::Arc, time::Duration};
+use std::{net::Ipv4Addr, sync::Arc, time::Duration};
 
 use axum::{extract::State, http::StatusCode, response::Html, routing::{get, post}, serve, Form, Router};
 use common::{Name, Request};
+use ping_rs::send_ping_async;
 use postcard::to_allocvec;
-use tokio::{fs, io::{AsyncReadExt, AsyncWriteExt}, net::TcpStream, sync::{RwLock, Semaphore}, time::{self, sleep, Instant}};
+use tokio::{fs, io::{AsyncReadExt, AsyncWriteExt}, join, net::TcpStream, sync::{RwLock, Semaphore}, time::{self, sleep, Instant}};
 use anyhow::{Ok, Result};
-use tracing::{error, info, trace, Level};
+use tracing::{error, info, trace, warn, Level};
 use tracing_subscriber::{filter, layer::{Filter, SubscriberExt}, util::SubscriberInitExt, Layer};
 
-const FISH: &'static str = "169.254.2.1:1234";
+const FISH: &'static str = "192.168.0.12:1234";
-const DOOR: &'static str = "169.254.1.1:1234";
+const DOOR: &'static str = "192.168.0.10:1234";
+
+#[derive(Default, Debug)]
+struct NetStatus {
+    fish_reachable: bool,
+    fish_ping: Option<u32>,
+    door_reachable: bool,
+    door_ping: Option<u32>,
+    router_reachable: bool,
+    router_ping: Option<u32>,
+}
 
 #[derive(Clone)]
 struct AppState {
     fish: Arc<Semaphore>,
     last_badge: Arc<RwLock<(u64,Instant)>>,
+    net_status: Arc<RwLock<NetStatus>>,
 }
 
 #[tokio::main]
@@ -24,20 +36,25 @@ async fn main() -> Result<()>{
 
     let (non_blocking, _guard) = tracing_appender::non_blocking(log.into_std().await);
 
-    let filter = filter::Targets::new()
+    let stdout_filter = filter::Targets::new()
+        .with_target("server", Level::TRACE)
+        .with_target("mio::poll", Level::WARN);
+
+    let log_filter = stdout_filter.clone()
         .with_target("server", Level::INFO);
 
     let stdout = tracing_subscriber::fmt::layer()
         .compact()
         .with_file(true)
-        .with_target(true);
+        .with_target(true)
+        .with_filter(stdout_filter);
 
     let log = tracing_subscriber::fmt::layer()
         .compact()
         .with_file(false)
         .with_target(true)
         .with_writer(non_blocking)
-        .with_filter(filter);
+        .with_filter(log_filter);
 
     let reg = tracing_subscriber::registry()
         .with(stdout)
@@ -47,6 +64,7 @@ async fn main() -> Result<()>{
 
     let fish = Arc::new(Semaphore::new(1));
     let last_badge = Arc::new(RwLock::new((0u64,Instant::now())));
+    let network_status = Arc::new(RwLock::new(NetStatus::default()));
 
     info!("starting");
 
@@ -63,7 +81,8 @@ async fn main() -> Result<()>{
         //.route("/map", post(set_badge))
         .with_state(AppState {
             fish: fish.clone(),
-            last_badge: last_badge.clone()
+            last_badge: last_badge.clone(),
+            net_status: network_status.clone(),
         });
 
     let listener = tokio::net::TcpListener::bind("0.0.0.0:8080").await.unwrap();
@@ -71,7 +90,6 @@ async fn main() -> Result<()>{
     tokio::spawn(async {serve(listener, app).await.unwrap()});
 
 
-
     let fish_ = fish.clone();
     tokio::spawn(async move {
         loop {
@@ -87,6 +105,44 @@ async fn main() -> Result<()>{
         }
     });
 
+    tokio::spawn(async move {
+        loop {
+            let fish = Ipv4Addr::new(192,168,0,12).into();
+            let door = Ipv4Addr::new(192,168,0,10).into();
+            let router = Ipv4Addr::new(192,168,0,50).into();
+            let (fish,door,router) = join!(
+                send_ping_async(&fish, Duration::from_millis(1500), Arc::new(&[255,127]), None),
+                send_ping_async(&door, Duration::from_millis(1500), Arc::new(&[255,127]), None),
+                send_ping_async(&router, Duration::from_millis(1500), Arc::new(&[255,127]), None)
+            );
+
+            let status = NetStatus {
+                fish_reachable: fish.is_ok(),
+                door_reachable: door.is_ok(),
+                router_reachable: router.is_ok(),
+                fish_ping: fish.ok().map(|p| p.rtt),
+                door_ping: door.ok().map(|p| p.rtt),
+                router_ping: router.ok().map(|p| p.rtt),
+            };
+
+            let mut last = network_status.write().await;
+            
+            if last.fish_reachable != status.fish_reachable {
+                warn!("fish connected: {}", status.fish_reachable);
+            }
+            if last.door_reachable != status.door_reachable {
+                warn!("door connected: {}", status.door_reachable);
+            }
+            if last.router_reachable != status.router_reachable {
+                warn!("router connected: {}", status.router_reachable);
+            }
+
+            *last = status;
+            drop(last);
+            sleep(Duration::from_secs(1)).await;
+        }
+    });
+
     /*{
         let _permit = fish.acquire().await?;
         let mut conn = TcpStream::connect(FISH).await?;
@@ -138,14 +194,10 @@ async fn root() -> Html<String> {
     Html::from(page)
 }
 async fn names(state: State<AppState>) -> Html<String> {
-    let (last_badge, time) = *state.last_badge.read().await;
+    let last_badge_view = last_badge_view(&state.last_badge).await;
-    let time = time.elapsed();
 
     let mut page = format!(r#"
-        <p>
+        {last_badge_view}
-        most recent badge {last_badge:#0x}<br>
-        {time:?} ago
-        </p>
         <h1>set last badge</h1>
     "#);
 
@@ -177,12 +229,26 @@ async fn names(state: State<AppState>) -> Html<String> {
 }
 
 async fn control(state: State<AppState>) -> Html<String> {
-    let (last_badge, time) = *state.last_badge.read().await;
+    let last_badge_view = last_badge_view(&state.last_badge).await;
-    let time = time.elapsed();
+    
+    let netstat = state.net_status.read().await;
+
+    let door_color = if netstat.door_reachable {"green"} else {"red"};
+    let fish_color = if netstat.fish_reachable {"green"} else {"red"};
+    let router_color = if netstat.router_reachable {"green"} else {"red"};
+    let fish_ping = if let Some(ping) = netstat.fish_ping {&format!("ping: {ping}ms")} else {"disconnected"};
+    let door_ping = if let Some(ping) = netstat.door_ping {&format!("ping: {ping}ms")} else {"disconnected"};
+    let router_ping = if let Some(ping) = netstat.router_ping {&format!("ping: {ping}ms")} else {"offline"};
+
 
     let page = format!(r#"
         <head><title>JOHNADMIN</title></head>
         <h1>JOHN ADMIN PANEL</h1>
+        <p>
+            <span style="background-color:{router_color};">lovesense</span> {router_ping} <br>
+            <span style="background-color:{door_color};">door</span> {door_ping} <br>
+            <span style="background-color:{fish_color};">fish</span> {fish_ping}
+        </p>
         <form target="output" action="openDoor" method="post" id="myForm">
             <button style="font-size:40px;" type="submit" name="name" value="open" target="output">Open noor</button>
         </form>
@@ -190,22 +256,38 @@ async fn control(state: State<AppState>) -> Html<String> {
             <input type="range" min="0" max="30" value="0" name="volume" class="slider" id="volume">
             <button style="font-size:30px;" type="submit" target="output">set volume</button>
         </form>
-        <p>
+        {last_badge_view}
-        most recent badge {last_badge:#0x}<br>
-        {time:?} ago
-        </p>
         <iframe name="output"></iframe>
     "#);
 
     Html::from(page)
 }
 
+async fn last_badge_view(last_badge: &Arc<RwLock<(u64, Instant)>>) -> String {
+    let (last_badge, time) = *last_badge.read().await;
+    let time = time.elapsed().as_secs();
+    if last_badge == 0 {
+        format!(r#"
+            <p>
+            no badges scanned, up {time}s
+            </p>
+        "#)
+    } else {
+        format!(r#"
+            <p>
+            most recent badge {last_badge:#0x}<br>
+            {time}s ago
+            </p>
+        "#)
+    }
+}
+
 #[derive(serde::Deserialize)]
 struct Volume {
     volume: u8,
 }
 
-async fn open_door(state: State<AppState>) -> Html<&'static str> {
+async fn open_door() -> Html<&'static str> {
     info!("opening door");
     let mut conn = TcpStream::connect(DOOR).await.unwrap();