mirror of
https://github.com/dz0ny/meshcore-sar.git
synced 2026-08-11 16:30:28 +00:00
c39e0e1344
Move BLE communication layer (command queue, frame parser/builder, protocol constants, data models) into a standalone reusable Dart package at ../meshcore_client. App model files become thin re-export wrappers, keeping all existing consumers working without import changes.
590 lines
19 KiB
Dart
590 lines
19 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:share_plus/share_plus.dart';
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import 'dart:io';
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import 'package:path_provider/path_provider.dart';
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import 'package:meshcore_client/meshcore_client.dart';
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import '../l10n/app_localizations.dart';
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class PacketLogScreen extends StatefulWidget {
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final MeshCoreBleService bleService;
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const PacketLogScreen({
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super.key,
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required this.bleService,
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});
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@override
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State<PacketLogScreen> createState() => _PacketLogScreenState();
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}
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class _PacketLogScreenState extends State<PacketLogScreen> {
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bool _autoScroll = true;
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final ScrollController _scrollController = ScrollController();
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String _searchQuery = '';
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PacketDirection? _filterDirection;
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@override
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void dispose() {
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_scrollController.dispose();
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super.dispose();
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}
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List<BlePacketLog> get _filteredLogs {
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var logs = widget.bleService.packetLogs;
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// Filter by direction
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if (_filterDirection != null) {
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logs = logs.where((log) => log.direction == _filterDirection).toList();
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}
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// Filter by search query
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if (_searchQuery.isNotEmpty) {
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final query = _searchQuery.toLowerCase();
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logs = logs.where((log) {
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return log.hexData.toLowerCase().contains(query) ||
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(log.description?.toLowerCase().contains(query) ?? false) ||
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log.summary.toLowerCase().contains(query);
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}).toList();
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}
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return logs;
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}
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Future<void> _exportLogs(BuildContext context) async {
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try {
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final logs = _filteredLogs;
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if (logs.isEmpty) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('No logs to export')),
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);
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}
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return;
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}
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// Create CSV content
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final buffer = StringBuffer();
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buffer.writeln('Timestamp,Direction,Size (bytes),Opcode Name,Code,Hex Data,Description');
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for (final log in logs) {
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buffer.writeln(log.toCsvRow());
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}
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// Save to temporary file
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final tempDir = await getTemporaryDirectory();
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if (!context.mounted) return;
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final file = File('${tempDir.path}/ble_packets_${DateTime.now().millisecondsSinceEpoch}.csv');
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await file.writeAsString(buffer.toString());
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// Share the file
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if (!context.mounted) return;
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await SharePlus.instance.share(
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ShareParams(
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files: [XFile(file.path)],
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subject: 'MeshCore BLE Packet Logs',
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text: 'Exported ${logs.length} BLE packets from MeshCore SAR app',
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),
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);
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} catch (e) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Export failed: $e')),
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);
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}
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}
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}
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Future<void> _exportAsText(BuildContext context) async {
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try {
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final logs = _filteredLogs;
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if (logs.isEmpty) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('No logs to export')),
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);
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}
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return;
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}
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// Create text content
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final buffer = StringBuffer();
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buffer.writeln('MeshCore BLE Packet Logs');
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buffer.writeln('=' * 80);
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buffer.writeln('Exported: ${DateTime.now().toIso8601String()}');
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buffer.writeln('Total packets: ${logs.length}');
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buffer.writeln('=' * 80);
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buffer.writeln();
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for (final log in logs) {
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buffer.writeln(log.toLogString());
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}
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// Save to temporary file
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final tempDir = await getTemporaryDirectory();
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if (!context.mounted) return;
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final file = File('${tempDir.path}/ble_packets_${DateTime.now().millisecondsSinceEpoch}.txt');
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await file.writeAsString(buffer.toString());
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// Share the file
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if (!context.mounted) return;
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await SharePlus.instance.share(
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ShareParams(
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files: [XFile(file.path)],
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subject: 'MeshCore BLE Packet Logs',
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text: 'Exported ${logs.length} BLE packets from MeshCore SAR app',
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),
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);
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} catch (e) {
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if (context.mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Export failed: $e')),
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);
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}
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}
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}
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void _copyToClipboard(BuildContext context, BlePacketLog log) {
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Clipboard.setData(ClipboardData(text: log.hexData));
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Hex data copied to clipboard'),
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duration: Duration(seconds: 1),
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),
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);
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}
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void _clearLogs(BuildContext context) {
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final parentContext = context; // Store parent context for setState
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showDialog(
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context: context,
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builder: (dialogContext) => AlertDialog(
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title: Text(AppLocalizations.of(dialogContext)!.clearAllData),
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content: const Text('Are you sure you want to clear all packet logs? This cannot be undone.'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(dialogContext),
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child: Text(AppLocalizations.of(dialogContext)!.cancel),
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),
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TextButton(
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onPressed: () {
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widget.bleService.clearPacketLogs();
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Navigator.pop(dialogContext);
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if (!mounted) return;
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setState(() {});
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if (parentContext.mounted) {
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ScaffoldMessenger.of(parentContext).showSnackBar(
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const SnackBar(content: Text('Packet logs cleared')),
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);
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}
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},
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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child: Text(AppLocalizations.of(dialogContext)!.clear),
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),
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],
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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final logs = _filteredLogs;
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return Scaffold(
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appBar: AppBar(
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title: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text('BLE Packet Logs'),
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Text(
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'${logs.length} packets',
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style: Theme.of(context).textTheme.bodySmall,
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),
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],
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),
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actions: [
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// Direction filter
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PopupMenuButton<PacketDirection?>(
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icon: Icon(_filterDirection == null
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? Icons.filter_list
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: _filterDirection == PacketDirection.rx
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? Icons.arrow_downward
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: Icons.arrow_upward),
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tooltip: 'Filter by direction',
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onSelected: (direction) {
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setState(() {
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_filterDirection = direction;
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});
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},
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itemBuilder: (context) => [
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PopupMenuItem(
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value: null,
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child: Row(
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children: [
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Icon(Icons.filter_list,
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color: _filterDirection == null ? Theme.of(context).colorScheme.primary : null),
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const SizedBox(width: 8),
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Text('All',
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style: TextStyle(
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fontWeight: _filterDirection == null ? FontWeight.bold : FontWeight.normal)),
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],
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),
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),
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PopupMenuItem(
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value: PacketDirection.rx,
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child: Row(
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children: [
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Icon(Icons.arrow_downward,
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color: _filterDirection == PacketDirection.rx
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? Theme.of(context).colorScheme.primary
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: null),
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const SizedBox(width: 8),
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Text('RX (Received)',
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style: TextStyle(
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fontWeight:
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_filterDirection == PacketDirection.rx ? FontWeight.bold : FontWeight.normal)),
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],
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),
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),
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PopupMenuItem(
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value: PacketDirection.tx,
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child: Row(
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children: [
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Icon(Icons.arrow_upward,
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color: _filterDirection == PacketDirection.tx
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? Theme.of(context).colorScheme.primary
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: null),
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const SizedBox(width: 8),
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Text('TX (Sent)',
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style: TextStyle(
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fontWeight:
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_filterDirection == PacketDirection.tx ? FontWeight.bold : FontWeight.normal)),
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],
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),
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),
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],
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),
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// Auto-scroll toggle
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IconButton(
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icon: Icon(_autoScroll ? Icons.vertical_align_bottom : Icons.vertical_align_center),
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tooltip: _autoScroll ? 'Disable auto-scroll' : 'Enable auto-scroll',
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onPressed: () {
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setState(() {
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_autoScroll = !_autoScroll;
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});
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},
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),
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// Export menu
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PopupMenuButton(
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icon: const Icon(Icons.share),
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tooltip: 'Export logs',
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itemBuilder: (context) => [
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const PopupMenuItem(
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value: 'csv',
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child: Row(
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children: [
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Icon(Icons.table_chart),
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SizedBox(width: 8),
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Text('Export as CSV'),
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],
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),
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),
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const PopupMenuItem(
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value: 'txt',
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child: Row(
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children: [
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Icon(Icons.text_snippet),
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SizedBox(width: 8),
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Text('Export as Text'),
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],
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),
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),
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],
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onSelected: (value) {
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if (value == 'csv') {
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_exportLogs(context);
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} else if (value == 'txt') {
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_exportAsText(context);
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}
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},
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),
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// Clear logs
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IconButton(
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icon: const Icon(Icons.delete_outline),
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tooltip: 'Clear logs',
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onPressed: () => _clearLogs(context),
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),
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],
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),
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body: Column(
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children: [
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// Search bar
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Padding(
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padding: const EdgeInsets.all(8.0),
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child: TextField(
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decoration: InputDecoration(
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hintText: 'Search logs...',
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prefixIcon: const Icon(Icons.search),
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suffixIcon: _searchQuery.isNotEmpty
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? IconButton(
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icon: const Icon(Icons.clear),
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onPressed: () {
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setState(() {
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_searchQuery = '';
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});
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},
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)
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: null,
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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onChanged: (value) {
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setState(() {
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_searchQuery = value;
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});
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},
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),
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),
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// Logs list
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Expanded(
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child: logs.isEmpty
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? Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.list_alt,
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size: 64,
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color: Colors.grey[400],
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),
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const SizedBox(height: 16),
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Text(
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_searchQuery.isNotEmpty || _filterDirection != null
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? 'No matching packets found'
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: 'No packets logged yet',
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style: TextStyle(
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fontSize: 16,
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color: Colors.grey[600],
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),
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),
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if (_searchQuery.isNotEmpty || _filterDirection != null) ...[
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const SizedBox(height: 8),
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TextButton.icon(
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onPressed: () {
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setState(() {
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_searchQuery = '';
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_filterDirection = null;
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});
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},
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icon: const Icon(Icons.clear_all),
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label: const Text('Clear filters'),
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),
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],
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],
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),
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)
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: ListView.builder(
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controller: _scrollController,
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itemCount: logs.length,
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itemBuilder: (context, index) {
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final log = logs[index];
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// Auto-scroll to bottom
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if (_autoScroll && index == logs.length - 1) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (!mounted) return;
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if (_scrollController.hasClients) {
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_scrollController.animateTo(
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_scrollController.position.maxScrollExtent,
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duration: const Duration(milliseconds: 200),
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curve: Curves.easeOut,
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);
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}
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});
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}
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return _PacketLogCard(
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log: log,
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onCopy: () => _copyToClipboard(context, log),
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);
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},
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),
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),
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],
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),
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);
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}
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}
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class _PacketLogCard extends StatelessWidget {
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final BlePacketLog log;
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final VoidCallback onCopy;
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const _PacketLogCard({
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required this.log,
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required this.onCopy,
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});
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@override
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Widget build(BuildContext context) {
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final isRx = log.direction == PacketDirection.rx;
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final directionColor = isRx ? Colors.green : Colors.blue;
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return Card(
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margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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child: ExpansionTile(
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leading: CircleAvatar(
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backgroundColor: directionColor.withValues(alpha: 0.2),
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child: Icon(
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isRx ? Icons.arrow_downward : Icons.arrow_upward,
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color: directionColor,
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size: 20,
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),
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),
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title: Row(
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children: [
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Text(
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isRx ? 'RX' : 'TX',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: directionColor,
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fontSize: 12,
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),
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),
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const SizedBox(width: 8),
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Flexible(
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child: Text(
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log.responseCode != null ? log.opcodeName : 'N/A',
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style: const TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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),
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overflow: TextOverflow.ellipsis,
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),
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),
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],
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),
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subtitle: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const SizedBox(height: 4),
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Text(
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'${log.rawData.length} bytes • ${_formatTimestamp(log.timestamp)}',
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style: TextStyle(fontSize: 12, color: Colors.grey[600]),
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),
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],
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),
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children: [
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Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Hex data
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Hex: ',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: Colors.grey[700],
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),
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),
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Expanded(
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child: SelectableText(
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log.hexData,
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style: const TextStyle(
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fontFamily: 'monospace',
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fontSize: 12,
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),
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),
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),
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IconButton(
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icon: const Icon(Icons.copy, size: 18),
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tooltip: 'Copy hex data',
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onPressed: onCopy,
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(),
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),
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],
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),
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const SizedBox(height: 8),
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// Metadata
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Wrap(
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spacing: 16,
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runSpacing: 8,
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children: [
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_InfoChip(
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icon: Icons.schedule,
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label: log.timestamp.toIso8601String(),
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),
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_InfoChip(
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icon: Icons.data_usage,
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label: '${log.rawData.length} bytes',
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),
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if (log.responseCode != null)
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_InfoChip(
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icon: Icons.tag,
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label: log.opcodeDescription,
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),
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// Show RSSI and SNR for LOG_RX_DATA packets
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if (log.logRxDataInfo?.rssiDbm != null)
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_InfoChip(
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icon: Icons.signal_cellular_alt,
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label: 'RSSI: ${log.logRxDataInfo!.rssiDbm} dBm',
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),
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if (log.logRxDataInfo?.snrDb != null)
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_InfoChip(
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icon: Icons.waves,
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label: 'SNR: ${log.logRxDataInfo!.snrDb!.toStringAsFixed(1)} dB',
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),
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],
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),
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],
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),
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),
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],
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),
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);
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}
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String _formatTimestamp(DateTime timestamp) {
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final now = DateTime.now();
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final diff = now.difference(timestamp);
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if (diff.inSeconds < 60) {
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return '${diff.inSeconds}s ago';
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} else if (diff.inMinutes < 60) {
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return '${diff.inMinutes}m ago';
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} else if (diff.inHours < 24) {
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return '${diff.inHours}h ago';
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} else {
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return '${timestamp.hour.toString().padLeft(2, '0')}:${timestamp.minute.toString().padLeft(2, '0')}:${timestamp.second.toString().padLeft(2, '0')}';
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}
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}
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}
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class _InfoChip extends StatelessWidget {
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final IconData icon;
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final String label;
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|
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const _InfoChip({
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required this.icon,
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required this.label,
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});
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@override
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Widget build(BuildContext context) {
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return Chip(
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avatar: Icon(icon, size: 16),
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label: Text(
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label,
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style: const TextStyle(fontSize: 11),
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),
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padding: const EdgeInsets.all(4),
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materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
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);
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}
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}
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