mirror of
https://github.com/dpup/meshstream.git
synced 2026-03-28 17:42:37 +01:00
156 lines
5.8 KiB
HTML
156 lines
5.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Meshtastic Stream</title>
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<style>
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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margin: 0;
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padding: 20px;
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line-height: 1.6;
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max-width: 960px;
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margin: 0 auto;
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}
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h1 {
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color: #333;
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border-bottom: 1px solid #eee;
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padding-bottom: 10px;
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}
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#messages {
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margin-top: 20px;
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border: 1px solid #ddd;
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border-radius: 4px;
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padding: 10px;
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height: 500px;
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overflow-y: auto;
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background-color: #f9f9f9;
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font-family: 'Monaco', 'Consolas', monospace;
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font-size: 14px;
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}
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.message {
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padding: 8px 0;
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border-bottom: 1px solid #eee;
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}
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.message:last-child {
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border-bottom: none;
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}
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.info {
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padding: 10px;
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background-color: #e9f7fe;
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border-radius: 4px;
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margin-bottom: 20px;
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}
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</style>
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</head>
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<body>
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<h1>Meshtastic Stream</h1>
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<div class="info">
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<p>This page displays real-time messages from Meshtastic nodes via MQTT.</p>
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<p>Messages are streamed using Server-Sent Events (SSE) and will appear below as they arrive.</p>
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</div>
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<div id="messages">
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<p>Waiting for messages...</p>
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</div>
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<script>
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document.addEventListener('DOMContentLoaded', () => {
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const messagesDiv = document.getElementById('messages');
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// Function to add a message to the UI
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function addMessage(text) {
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const msgElement = document.createElement('div');
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msgElement.className = 'message';
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msgElement.textContent = text;
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messagesDiv.appendChild(msgElement);
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// Auto-scroll to the bottom
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messagesDiv.scrollTop = messagesDiv.scrollHeight;
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}
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// Clear initial waiting message
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messagesDiv.innerHTML = '';
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// Connect to SSE endpoint
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console.log('Connecting to SSE stream...');
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const eventSource = new EventSource('/api/stream');
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// Handle connection open
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eventSource.onopen = () => {
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console.log('SSE connection established');
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addMessage('Connected to Meshtastic stream.');
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};
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// Handle connection error
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eventSource.onerror = (error) => {
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console.error('SSE connection error:', error);
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addMessage('Error: Connection to server lost. Trying to reconnect...');
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};
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// Handle 'info' events
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eventSource.addEventListener('info', (e) => {
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console.log('Info event:', e.data);
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addMessage(`Server info: ${e.data}`);
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});
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// Handle 'message' events
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eventSource.addEventListener('message', (e) => {
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console.log('Message event:', e.data);
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try {
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const packet = JSON.parse(e.data);
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const timestamp = new Date(packet.received_at * 1000).toLocaleTimeString();
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// Store the full packet data for later reference if needed
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console.log('Full packet:', packet);
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// Format the message with essential information
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let msgText = `[${timestamp}] From Node ${packet.from} to ${packet.to} (${packet.port_string})`;
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// Add packet ID and hop info if available
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if (packet.id) {
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msgText += ` • ID: ${packet.id}`;
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}
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if (packet.hop_limit && packet.hop_limit > 0) {
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msgText += ` • Hop: ${packet.hop_start}/${packet.hop_limit}`;
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}
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// Determine payload type and add appropriate info
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const payloadType = typeof packet.payload;
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if (payloadType === 'string') {
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// Text message
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msgText += ` • Message: "${packet.payload}"`;
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} else if (packet.payload && typeof packet.payload === 'object') {
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// Handle various object payload types
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if (Array.isArray(packet.payload)) {
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// Binary data as array
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msgText += ` • Binary data: ${packet.payload.length} bytes`;
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} else {
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// Structured data (protobuf object)
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msgText += ` • Data: ${Object.keys(packet.payload).length} fields`;
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}
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} else if (packet.payload === null) {
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msgText += ` • No payload`;
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} else {
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msgText += ` • Payload type: ${payloadType}`;
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}
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// Add channel ID if available
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if (packet.channel_id) {
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msgText += ` • Channel: ${packet.channel_id}`;
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}
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addMessage(msgText);
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} catch (err) {
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console.error('Error parsing message:', err);
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addMessage(`Raw message: ${e.data}`);
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}
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});
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});
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</script>
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</body>
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</html> |