fix reconnect and add banner message when trying to reconnect5r

capybara.py

@@ -2,7 +2,7 @@ import sys
 from asyncio import wait_for, TimeoutError
 from base64 import b64encode
 from sanic import Sanic
-from sanic.response import file, redirect
+from sanic.response import file, redirect, empty
 
 from InputController import InputController
 from MessageParser import MessageParser
@@ -10,7 +10,7 @@ from MessageParser import MessageParser
 
 app = Sanic(
     "capybara",
-    load_env="CAPYBARA_"
+    env_prefix="CAPYBARA_"
 )
 input_controller = InputController()
 control_message_parser = MessageParser()
@@ -40,13 +40,15 @@ async def gateway(req, ws):
         return
 
     code, args = control_message_parser.parse(auth_payload)
-    if (not code or
+    if (
+        not code or
         code != "0" or
-        args["auth_string"] != app.ctx.EXPECTED_AUTH_STRING): # 0 is the code for the initial auth packet
+        args["auth_string"] != app.ctx.EXPECTED_AUTH_STRING
+    ): # 0 is the code for the initial auth packet
         await ws.close(code=4001, reason="Invalid auth packet")
         return
 
-    await ws.send("1") # send a single `1` to let the client know the server is input packets
+    await ws.send("1") # send a single `1` to let the client know the server is accepting input packets
 
     while True:
         input_controller.process_message(await ws.recv())

frontend/src/App.js

@@ -1,3 +1,4 @@
+import Banner from "./Banner";
 import Connection from "./Connection";
 import KeyboardController from "./Keyboard";
 import { getAuth, setAuth } from "./LocalConfiguration";
@@ -18,6 +19,8 @@ class App {
             this.unmountApp();
             if (code === 4001) { // 4001 - code for bad auth
                 this.transitionTo("login");
+            } else {
+                this.transitionTo("reconnectingBanner");
             }
         });
         this.connection.onHandshakeCompleted = () => {
@@ -28,24 +31,45 @@ class App {
     transitionTo(type) {
         switch (type) {
             case "login":
+                this.unmountBannerComponent();
                 this.unmountApp();
                 this.mountLoginComponent();
                 break;
             case "app":
+                this.unmountBannerComponent();
                 this.unmountLoginComponent();
                 this.mountApp();
                 break;
+            case "reconnectingBanner":
+                this.unmountApp(); 
+                this.unmountLoginComponent();
+                this.mountBannerComponent("Connecting...", "Looks like you've lost connection. We're trying to reconnect you.");
+                break;
             default:
                 throw new Error(`transitionTo type ${type} is invalid`);
         }
     }
 
+    mountBannerComponent(title, text) {
+        if (!this.bannerComponent)
+            this.bannerComponent = new Banner();
+
+        this.bannerComponent.mountOn(this.mountElement);
+        this.bannerComponent.updateTitle(title);
+        this.bannerComponent.updateText(text);
+    }
+
+    unmountBannerComponent() {
+        if (this.bannerComponent)
+            this.bannerComponent.unmount();
+    }
+
     mountLoginComponent() {
         if (!this.loginPromptComponent)
             this.loginPromptComponent = new LoginPrompt(this.connection);
 
         this.loginPromptComponent.mountOn(this.mountElement);
-        this.loginPromptComponent.onPasswordSubmitted = p => {
+        this.loginPromptComponent.onPasswordSubmitted = (p) => {
             setAuth(p);
             this.connection.connect(p);
         };

frontend/src/Banner.js

@@ -1,10 +1,19 @@
 class Banner {
     constructor() {
-        this.text = null;
+        this.element = null;
+
+        this.title = "";
+        this.text = "";
     }
 
-    updateText(text) {
-        this.text = text;
+    updateText(newText) {
+        this.text = newText;
+        this.element.querySelector("#banner-text").innerText = this.text;
+    }
+
+    updateTitle(newTitle) {
+        this.title = newTitle;
+        this.element.querySelector("#banner-title").innerText = this.title;
     }
 
     mountOn(target) {
@@ -13,22 +22,21 @@ class Banner {
         
         this.element = document.createRange().createContextualFragment(`
             <div class="card small-card center-text">
-                <h2>Login</h2>
-                <p>You need to enter the login code before you can start controlling your device.</p>
-                <br>
-                <div class="full-width">
-                    <input id="code-input" class="input full-width" placeholder="Code">
-                    <br>
-                    <button id="continue-button" class="button-default full-width">Continue</button>
-                </div>
+                <h2 id="banner-title"></h2>
+                <p id="banner-text"></p>
             </div>
         `).children[0];
 
-        this.element.querySelector("#continue-button").addEventListener("click", () => {
-            if (this.onPasswordSubmitted)
-                this.onPasswordSubmitted(this.element.querySelector("#code-input").value);
-        });
-
         target.appendChild(this.element);
     }
+
+    unmount() {
+        if (!this.element)
+            return; // Already unmounted
+
+        this.element.parentElement.removeChild(this.element);
+        this.element = null;
+    }
 }
+
+export default Banner;

frontend/src/Connection.js

@@ -7,6 +7,7 @@ class Connection {
         this.messageLog = Logger(["Connection", "Message"], ["log"]).log;
         this.url = url;
         this.isReady = false;
+        this.reconnectTimeout = 0;
     }
 
     formatAuthString(password) {
@@ -18,6 +19,7 @@ class Connection {
         this.ws.onerror = (e) => this.log("Error", e);
         this.ws.onopen = () => {
             this.log("Open");
+            this.reconnectTimeout = 0;
             this.log("Sending authentication packet");
             this.ws.send(`0${this.formatAuthString(password)}`); // send auth packet
         };
@@ -35,9 +37,12 @@ class Connection {
                 this.log("Closed due to bad auth - skipping reconnect");
                 return;
             }
-            this.log("Closed - attempting to reconnect in 4000ms");
             this.isReady = false;
-            setTimeout(() => this.connect(), 4000);
+            this.reconnectTimeout += 400;
+            if (this.reconnectTimeout >= 30000) 
+                this.reconnectTimeout = 30000;
+            this.log(`Closed - will reconnect in ${this.reconnectTimeout}ms`);
+            setTimeout(() => this.connect(password), this.reconnectTimeout);
         }
     }
 

frontend/src/styles/main.css

@@ -20,7 +20,7 @@ body {
     color: var(--accent-bg-color);
     overflow-x: none;
     margin: 0;
-    padding: 8px;
+    padding: 12px;
 }
 
 .card {
@@ -105,7 +105,7 @@ body {
 }
 
 .touchpad {
-    height: clamp(5rem, 30rem, 55vh);
+    height: clamp(5rem, 30rem, 50vh);
     width: 100%;
     background-color: var(--accent-bg-color);
     border-radius: var(--card-border-radius);
@@ -113,9 +113,15 @@ body {
 
 /* for virtual keyboard */
 
+.hg-theme-default {
+    font-weight: var(--main-font-weight);
+    font-family: var(--fonts-regular);
+}
+
 .keyboard {
+    padding: 8px;
     color: var(--body-bg-color);
-    margin-top: 28px;
+    margin-top: 24px;
     border-radius: var(--card-border-radius);
     background-color: var(--accent-bg-color);
 }
@@ -126,7 +132,6 @@ body {
 
 .hg-button {
     margin: 2px;
-    padding: 12px;
 }
 
 .hg-activeButton {