Checkpoint

.gitignore

@@ -0,0 +1,2 @@
+env
+*~

env.example

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+export SUSPEND_SECRET=some-password

game-runner/#setup.sh#

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+#!/bin/bash
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+echo $SCRIPT_DIR
+
+sudo tee /etc/systemd/system/game-runner.service  <<EOF
+[Unit]
+Description=Game runner http server. Listens on http://192.168.1.140:8111/?game=kodi and runs a game
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/python3 $SCRIPT_DIR/game-runner.py
+WorkingDirectory=/home/kuba/
+Restart=on-failure
+RestartSec=5
+User=kuba
+Environment=PYTHONUNBUFFERED=1
+
+[Install]
+WantedBy=multi-user.target
+EOF

game-runner/.#setup.sh

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+kuba@bazzite.6047:1784385156

game-runner/game-runner.py

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+from evdev import UInput, ecodes as e
+import time
+
+# Create virtual keyboard
+ui = UInput({
+    e.EV_KEY: [getattr(e, f"KEY_{chr(c).upper()}") for c in range(ord('a'), ord('z')+1)] + [e.KEY_SPACE, e.KEY_UP, e.KEY_DOWN, e.KEY_LEFT, e.KEY_RIGHT, e.KEY_LEFTSHIFT, e.KEY_TAB, e.KEY_ENTER] 
+}, name="virtual-keyboard")
+
+def press(key):
+    ui.write(e.EV_KEY, key, 1)  # key down
+    ui.write(e.EV_KEY, key, 0)  # key up
+    ui.syn()
+
+
+def home():
+    print("Sending shift+tab")
+    ui.write(e.EV_KEY, e.KEY_LEFTSHIFT, 1)   # Press Ctrl
+    ui.write(e.EV_KEY, e.KEY_TAB, 1)  # Press 1
+    ui.syn()
+    time.sleep(0.1)
+    ui.write(e.EV_KEY, e.KEY_LEFTSHIFT, 0)  # Release 1
+    ui.write(e.EV_KEY, e.KEY_TAB, 0)   # Release Ctrl
+    ui.syn()
+    
+
+def type_string(text):
+    for ch in text:
+        if ch == ' ':
+            press(e.KEY_SPACE)
+        elif 'a' <= ch <= 'z':
+            key = getattr(e, f"KEY_{ch.upper()}")
+            press(key)
+        else:
+            # ignore unsupported characters
+            continue
+
+        time.sleep(0.01)
+
+
+def run_a_game(name):
+    home()
+    press(e.KEY_LEFT)
+    press(e.KEY_LEFT)
+    press(e.KEY_DOWN)
+    press(e.KEY_ENTER)
+    time.sleep(0.3)
+    press(e.KEY_UP)
+    press(e.KEY_UP)
+    press(e.KEY_LEFT)
+    press(e.KEY_LEFT)
+    press(e.KEY_LEFT)
+    press(e.KEY_LEFT)
+    time.sleep(0.1)
+    type_string(name.lower())
+    time.sleep(0.3)
+    press(e.KEY_DOWN)
+    press(e.KEY_DOWN)
+    press(e.KEY_ENTER)
+    time.sleep(0.2)
+    press(e.KEY_ENTER)
+
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from urllib.parse import urlparse, parse_qs
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        # Parse URL
+        parsed = urlparse(self.path)
+        query = parse_qs(parsed.query)
+
+        # Get parameter (e.g. ?=hello)
+        msg = query.get("game", [""])[0]
+
+        print(f"Received msg: {msg}")
+
+        run_a_game(msg)
+        # Send response
+        self.send_response(200)
+        self.send_header("Content-type", "text/plain")
+        self.end_headers()
+        self.wfile.write(f"OK: {msg}".encode())
+
+# Start server
+port = 8111
+server = HTTPServer(("0.0.0.0", port), Handler)
+
+print(f"Listening on http://0.0.0.0:{port}")
+server.serve_forever()

game-runner/setup.sh

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+#!/bin/bash
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+echo $SCRIPT_DIR
+
+sudo tee /etc/systemd/system/game-runner.service  <<EOF
+[Unit]
+Description=Game runner http server. Listens on http://192.168.1.140:8111/?game=kodi and runs a game
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/python3 $SCRIPT_DIR/game-runner.py
+WorkingDirectory=/home/kuba/
+Restart=on-failure
+RestartSec=5
+User=kuba
+Environment=PYTHONUNBUFFERED=1
+
+[Install]
+WantedBy=multi-user.target
+EOF

setup.sh

@@ -3,5 +3,8 @@
 set -e
 set -o xtrace
 
+source env
+
 ./cec-remote/setup.sh
 ./g534-sink-switcher/setup.sh
+./game-runner/setup.sh

suspend-listener/index.mjs

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+#!/usr/bin/env node
+import http from "http";
+import { exec } from 'child_process';
+
+const PORT = 4321;
+const SECRET = process.env.SUSPEND_SECRET || 'hushhush';
+
+const server = http.createServer((req, res) => {
+  if (req.method === 'POST' && req.url === '/suspend') {
+    let body = '';
+    req.on('data', chunk => body += chunk);
+    req.on('end', () => {
+      if (body === SECRET) {
+        exec('systemctl suspend', (err, stdout, stderr) => {
+          if (err) {
+            console.error('Suspend failed:', stderr);
+            return res.writeHead(500).end('error');
+          }
+          console.log('Suspending now');
+          res.writeHead(200).end('ok');
+        });
+      } else {
+        res.writeHead(403).end('forbidden');
+      }
+    });
+  } else {
+    res.writeHead(404).end('not found');
+  }
+});
+
+server.listen(PORT, () => {
+  console.log(`Suspend-server listening on port ${PORT}`);
+});

suspend-listener/setup.sh

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+#!/bin/bash
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+echo $SCRIPT_DIR
+
+sudo tee /etc/systemd/system/suspend-listener.service  <<EOF
+[Unit]
+Description=Remote Suspend HTTP Server
+After=network.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/node $SCRIPT_DIR/index.mjs
+User=root
+Environment=SUSPEND_SECRET=$SUSPEND_SECRET
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target
+EOF