auto-reload

Makefile

@@ -20,9 +20,13 @@ enums:
 ids:
 	go generate models/ids.go
 
-run: build
+run-systemd: build
 	mkdir -p .run-data
-	sudo BUNNY_LIVERELOAD="$(shell pwd)/webassets" CONF_NS="local-host" _build/bunny_backend
+	CONF_NS="production" _build/bunny_backend
+
+run-test: build
+	mkdir -p .run-data
+	sudo BUNNY_LIVERELOAD="$(shell pwd)/webassets" BUNNY_PORT="4004" CONF_NS="local-host" _build/bunny_backend
 
 gow:
 	# go install github.com/mitranim/gow@latest

api/handler/webHandler.go

@@ -148,7 +148,7 @@ func (h WebHandler) buildScriptJSTemplate(content []byte) (webassets.ITemplate,
 func (h WebHandler) templateFuncMap() map[string]any {
 	return map[string]any{
 		"listServers": func() []models.Server {
-			ctx, cancel := context.WithTimeout(context.Background(), bunny.Conf.VerifyConnTimeoutHTML+2*time.Second)
+			ctx, cancel := context.WithTimeout(context.Background(), bunny.Conf.VerifyConnTimeoutHTML+5*time.Second)
 			defer cancel()
 			v, err := h.app.ListServer(ctx, bunny.Conf.VerifyConnTimeoutHTML)
 			if err != nil {

logic/application.go

@@ -221,10 +221,6 @@ func (app *Application) ListServer(ctx context.Context, timeout time.Duration) (
 	close(echan)
 	close(rchan)
 
-	if err := ctx.Err(); err != nil {
-		return nil, err
-	}
-
 	duplicates := make(map[int]bool, sockCount*3)
 	res := make([]models.Server, 0, sockCount*3)
 	for v := range rchan {

webassets/css/styles.css

@@ -1,6 +1,6 @@
 
 * {
-    font-family: 'MonaspaceXenon';
+    font-family: 'MonaspaceXenon', serif;
 }
 
 html, body {
@@ -14,25 +14,38 @@ body {
     background-color: #EFEFEF;
 }
 
+.hidden { display: none !important; }
+
 main {
-    display: flex;
+    display: grid;
-    flex-direction: column;
+    grid-template-columns: auto 1fr auto;
+    grid-column-gap: 1rem;
+    grid-row-gap: 1rem;
 
     margin: 1rem;
 }
 
 h1 {
     font-size: 3em;
-    margin-bottom: 1rem;
     text-shadow: 0 0 8px #888;
 }
 
+.loader_left,
+.loader_right{
+    display: flex;
+    width: 50px;
+    justify-content: center;
+    align-items: center;
+}
+
 #maincontent {
     display: flex;
     flex-direction: column;
     gap: 0.5rem;
 
     padding: 0 2rem;
+
+    grid-column: 2;
 }
 
 .server {
@@ -74,3 +87,23 @@ h1 {
     color: #00A;
 }
 
+.loader {
+    width: 48px;
+    height: 48px;
+    border-radius: 50%;
+    display: inline-block;
+    position: relative;
+    border: 10px solid;
+    border-color: rgba(0, 0, 0, 0.15) rgba(0, 0, 0, 0.25) rgba(0, 0, 0, 0.35) rgba(0, 0, 0, 0.5);
+    box-sizing: border-box;
+    animation: rotation 1s linear infinite;
+}
+
+@keyframes rotation {
+    0% {
+        transform: rotate(0deg);
+    }
+    100% {
+        transform: rotate(360deg);
+    }
+}

webassets/index.html

@@ -30,13 +30,18 @@
 
     <main>
 
+        <span class="loader_left"></span>
         <h1>LocalHostBunny</h1>
+        <span class="loader_right">
+            <span id="loader" class="loader hidden"></span>
+        </span>
+
         <div id="maincontent"></div>
 
     </main>
 
     <script type="text/javascript">
-        const servers = {{ listServers | json_indent | safe_js }};
+        const initialServers = {{ listServers | json_indent | safe_js }};
     </script>
 
     <script type="text/javascript" src="/scripts/script.js"></script>

webassets/scripts/script.js

@@ -1,7 +1,13 @@
 
+const refresh_delay = 2 * 60 * 1000; // 2min
+
+let last_refresh = now();
+
+function now() { return (new Date()).getTime(); }
+
 function enc(v) { return `${v}`.replace(/[\u00A0-\u9999<>&]/g, i => '&#'+i.charCodeAt(0)+';') }
 
-function updateHTML() {
+function updateHTML(servers) {
 
     const main = document.getElementById('maincontent')
 
@@ -20,4 +26,35 @@ function updateHTML() {
 
 }
 
-document.addEventListener("DOMContentLoaded", updateHTML);
+function onVisibilityChange() {
+    if (!document.hidden && (now() - last_refresh) > refresh_delay) autoReload();
+}
+
+async function autoReload() {
+    try {
+        document.getElementById('loader').classList.remove('hidden');
+
+        const res = await fetch('/api/v1/server');
+        if (res.status !== 200) {
+            console.error(`status == ${res.status}`);
+            return;
+        }
+
+        const data = await res.json();
+
+        updateHTML(data['servers'])
+
+    } catch (err) {
+
+        console.error(err);
+
+    } finally {
+        document.getElementById('loader').classList.add('hidden');
+    }
+}
+
+document.addEventListener("DOMContentLoaded", () => updateHTML(initialServers));
+
+document.addEventListener('visibilitychange', onVisibilityChange);
+
+setInterval(autoReload, refresh_delay);