Move tick to beginning of loop

The first tick completes immediately. Before this change messages would
be sent twice at first.

src/tiles/battery.rs

@@ -19,6 +19,8 @@ pub async fn battery(config: BatteryConfig, output: OutputChannel) -> eyre::Resu
 
     let mut interval = tokio::time::interval(config.update);
     loop {
+        interval.tick().await;
+
         let charge_now = async {
             let mut raw = String::new();
             File::open(&now_path)
@@ -56,7 +58,5 @@ pub async fn battery(config: BatteryConfig, output: OutputChannel) -> eyre::Resu
                 ..Default::default()
             })
             .await?;
-
-        interval.tick().await;
     }
 }

src/tiles/hostname.rs

@@ -19,6 +19,8 @@ pub async fn hostname(
     );
     let mut interval = tokio::time::interval(config.update);
     loop {
+        interval.tick().await;
+
         let reply = proxy.hostname();
         let hostname: String = reply.await?;
         output
@@ -28,7 +30,5 @@ pub async fn hostname(
                 ..Default::default()
             })
             .await?;
-
-        interval.tick().await;
     }
 }

src/tiles/iwd.rs

@@ -37,6 +37,8 @@ pub async fn iwd(
 
     let mut interval = tokio::time::interval(config.update);
     loop {
+        interval.tick().await;
+
         let managed_objects = root_proxy.get_managed_objects().await?;
         let interface_path = get_interface_path(&managed_objects, &config.interface)
             .ok_or_eyre("Couldn't find interface")?;
@@ -64,7 +66,5 @@ pub async fn iwd(
                 ..Default::default()
             })
             .await?;
-
-        interval.tick().await;
     }
 }

src/tiles/load.rs

@@ -7,6 +7,8 @@ use tokio::io::AsyncReadExt;
 pub async fn load(config: LoadConfig, output: OutputChannel) -> eyre::Result<()> {
     let mut interval = tokio::time::interval(config.update);
     loop {
+        interval.tick().await;
+
         let mut raw = String::new();
         let mut file = File::open("/proc/loadavg").await?;
         file.read_to_string(&mut raw).await?;
@@ -18,7 +20,5 @@ pub async fn load(config: LoadConfig, output: OutputChannel) -> eyre::Result<()>
                 ..Default::default()
             })
             .await?;
-
-        interval.tick().await;
     }
 }

src/tiles/local_time.rs

@@ -38,10 +38,12 @@ async fn find_time_zone(config: LocalTimeConfig, sender: watch::Sender<State>) -
         .build()
         .unwrap();
 
-    let mut interval = tokio::time::interval(config.update_interval);
     let mut prev_addr = None;
 
+    let mut interval = tokio::time::interval(config.update_interval);
     loop {
+        interval.tick().await;
+
         let curr_addr = if let Ok(curr_ipv6) = local_ip_address::local_ipv6() {
             Some(curr_ipv6)
         } else {
@@ -61,8 +63,6 @@ async fn find_time_zone(config: LocalTimeConfig, sender: watch::Sender<State>) -
                 prev_addr = curr_addr;
             }
         }
-
-        interval.tick().await;
     }
 }
 

src/tiles/memory.rs

@@ -30,6 +30,8 @@ fn extract_value(line: &str) -> eyre::Result<u64> {
 pub async fn memory(config: MemoryConfig, output: OutputChannel) -> eyre::Result<()> {
     let mut interval = tokio::time::interval(config.update);
     loop {
+        interval.tick().await;
+
         let mut raw = [0u8; 256];
         let mut file = File::open("/proc/meminfo").await?;
         file.read_exact(&mut raw).await?;
@@ -58,7 +60,5 @@ pub async fn memory(config: MemoryConfig, output: OutputChannel) -> eyre::Result
                 ..Default::default()
             })
             .await?;
-
-        interval.tick().await;
     }
 }