@ -1,50 +1,221 @@
import ' dart:async ' ;
import ' dart:typed_data ' ; import ' dart:typed_data ' ;
import ' package:flutter/material.dart ' ;
import ' package:meshcore_open/widgets/snr_indicator.dart ' ;
import ' package:flutter/foundation.dart ' ;
import ' package:flutter/material.dart ' ;
import ' package:provider/provider.dart ' ;
import ' ../connector/meshcore_connector.dart ' ;
import ' ../connector/meshcore_protocol.dart ' ;
import ' ../models/contact.dart ' ;
import ' ../widgets/snr_indicator.dart ' ;
import ' ../l10n/l10n.dart ' ;
class PathTraceDialog extends StatefulWidget { class PathTraceDialog extends StatefulWidget {
const PathTraceDialog ( {
const PathTraceDialog ( {
super . key ,
super . key ,
required this . pathData ,
required this . title ,
required this . snrData ,
required this . path ,
} ) ;
} ) ;
final Uint8List pathData ;
final String title ;
final Uint8List snrData ;
final Uint8List path ;
@ override
@ override
State < PathTraceDialog > createState ( ) = > _PathTraceDialogState ( ) ;
State < PathTraceDialog > createState ( ) = > _PathTraceDialogState ( ) ;
} }
class _PathTraceDialogState extends State < PathTraceDialog > { class _PathTraceDialogState extends State < PathTraceDialog > {
StreamSubscription < Uint8List > ? _frameSubscription ;
Timer ? _timeoutTimer ;
bool _isLoading = false ;
bool _failed2Loaded = false ;
bool _hasData = false ;
Uint8List _pathData = Uint8List ( 0 ) ;
Uint8List _snrData = Uint8List ( 0 ) ;
Map < int , Contact > _pathContacts = { } ;
@ override
void initState ( ) {
super . initState ( ) ;
_setupFrameListener ( ) ;
_doPathTrace ( ) ;
}
@ override
void dispose ( ) {
_frameSubscription ? . cancel ( ) ;
_timeoutTimer ? . cancel ( ) ;
super . dispose ( ) ;
}
Future < void > _doPathTrace ( ) async {
if ( mounted ) {
setState ( ( ) {
_isLoading = true ;
_failed2Loaded = false ;
} ) ;
}
final connector = Provider . of < MeshCoreConnector > ( context , listen: false ) ;
final frame = buildTraceReq (
DateTime . now ( ) . millisecondsSinceEpoch ~ / 1000 ,
0 , / / flags
0 , / / auth
payload: widget . path ,
) ;
connector . sendFrame ( frame ) ;
}
void _setupFrameListener ( ) {
final connector = Provider . of < MeshCoreConnector > ( context , listen: false ) ;
Uint8List tagData = Uint8List ( 4 ) ;
/ / Listen for incoming text messages from the repeater
_frameSubscription = connector . receivedFrames . listen ( ( frame ) {
if ( frame . isEmpty ) return ;
final frameBuffer = BufferReader ( frame ) ;
final code = frameBuffer . readUInt8 ( ) ;
if ( code = = respCodeSent ) {
frameBuffer . skipBytes ( 1 ) ; / / reserved
tagData = frameBuffer . readBytes ( 4 ) ;
final timeoutSeconds = frameBuffer . readUInt32LE ( ) ;
/ / Start timeout timer for trace response
_timeoutTimer ? . cancel ( ) ;
_timeoutTimer = Timer ( Duration ( milliseconds: timeoutSeconds ) , ( ) {
if ( ! mounted ) return ;
setState ( ( ) {
_isLoading = false ;
_failed2Loaded = true ;
} ) ;
} ) ;
}
/ / Check if it ' s a binary response
if ( code = = pushCodeTraceData & & listEquals ( frame . sublist ( 4 , 8 ) , tagData ) ) {
_timeoutTimer ? . cancel ( ) ;
if ( ! mounted ) return ;
frameBuffer . skipBytes ( 3 ) ; / / reserved + path length + flag
if ( listEquals ( frameBuffer . readBytes ( 4 ) , tagData ) ) {
_handleTraceResponse ( frame ) ;
}
}
} ) ;
}
Future < void > _handleTraceResponse ( Uint8List frame ) async {
final connector = Provider . of < MeshCoreConnector > ( context , listen: false ) ;
final buffer = BufferReader ( frame ) ;
buffer . skipBytes ( 2 ) ; / / Skip push code and reserved byte
int pathLength = buffer . readUInt8 ( ) ;
buffer . skipBytes ( 5 ) ; / / Skip Flag byte and tag data
buffer . skipBytes ( 4 ) ; / / Skip auth code
Uint8List pathData = buffer . readBytes ( pathLength ) ;
Uint8List snrData = buffer . readRemainingBytes ( ) ;
Map < int , Contact > pathContacts = { } ;
connector . contacts . where ( ( c ) = > c . type ! = advTypeChat ) . forEach ( (
repeater ,
) {
for ( var neighbourData in pathData ) {
if ( listEquals (
repeater . publicKey . sublist ( 0 , 1 ) ,
Uint8List . fromList ( [ neighbourData ] ) ,
) ) {
pathContacts [ neighbourData ] = repeater ;
}
}
} ) ;
setState ( ( ) {
_isLoading = false ;
_hasData = true ;
_pathData = pathData ;
_snrData = snrData ;
_pathContacts = pathContacts ;
} ) ;
}
String formatDirectionText ( int index ) {
if ( index = = 0 | | index = = _snrData . length - 1 ) {
if ( index = = 0 ) {
return context . l10n . pathTrace_you ;
} else {
return _pathContacts [ _pathData [ _pathData . length - 1 ] ] ? . name ? ? " 0x ${ _pathData [ _pathData . length - 1 ] . toRadixString ( 16 ) . toUpperCase ( ) } " ;
}
} else {
return _pathContacts [ _pathData [ index - 1 ] ] ? . name ? ? " 0x ${ _pathData [ index - 1 ] . toRadixString ( 16 ) . toUpperCase ( ) } " ;
}
}
String formatDirectionSubText ( int index ) {
if ( index = = 0 | | index = = _snrData . length - 1 ) {
if ( index = = 0 ) {
return _pathContacts [ _pathData [ 0 ] ] ? . name ? ? " 0x ${ _pathData [ 0 ] . toRadixString ( 16 ) . toUpperCase ( ) } " ;
} else {
return context . l10n . pathTrace_you ;
}
} else {
return _pathContacts [ _pathData [ index ] ] ? . name ? ? " 0x ${ _pathData [ index ] . toRadixString ( 16 ) . toUpperCase ( ) } " ;
}
}
@ override
@ override
Widget build ( BuildContext context ) {
Widget build ( BuildContext context ) {
final l10n = context . l10n ;
return AlertDialog (
return AlertDialog (
title: const Text ( ' Path Trace ' ) ,
title: Column ( children: [
content: SizedBox (
FittedBox ( fit: BoxFit . scaleDown , child: Text ( widget . title , style: const TextStyle ( fontSize: 24 ) ) ) ,
width: double . maxFinite ,
if ( _failed2Loaded )
child: ListView . builder (
Text ( l10n . pathTrace_failed , style: TextStyle ( fontSize: 14 , color: Theme . of ( context ) . colorScheme . error ) , ) ,
itemCount: widget . snrData . length ,
] ,
itemBuilder: ( context , index ) {
) ,
return ListTile (
content: SafeArea (
leading: index > = widget . snrData . length / 2 ? Icon ( Icons . arrow_circle_left ) : Icon ( Icons . arrow_circle_right ) ,
child: RefreshIndicator (
title: index = = 0 | | index = = widget . snrData . length - 1 ? ( index = = 0 ? Text ( ' You to 0x ${ widget . pathData [ 0 ] . toRadixString ( 16 ) . toUpperCase ( ) } ' ) : Text ( ' 0x ${ widget . pathData [ widget . pathData . length - 1 ] . toRadixString ( 16 ) . toUpperCase ( ) } to You ' ) ) : Text ( ' 0x ${ widget . pathData [ index - 1 ] . toRadixString ( 16 ) . toUpperCase ( ) } to 0x ${ widget . pathData [ index ] . toRadixString ( 16 ) . toUpperCase ( ) } ' ) ,
onRefresh: _doPathTrace ,
trailing: SNRIcon ( snr: widget . snrData [ index ] / 4.0 ) ,
child: ! _hasData
onTap: ( ) {
? Center (
/ / Handle item tap
child: Text ( l10n . pathTrace_notAvailable ) ,
} ,
)
: ListView . builder (
) ;
itemCount: _snrData . length ,
} ,
itemBuilder: ( context , index ) {
return ListTile (
leading: index > = _snrData . length / 2 ? Icon ( Icons . call_received ) : Icon ( Icons . call_made ) ,
title: Text (
formatDirectionText ( index ) , style: const TextStyle ( fontSize: 14 ) ,
) ,
subtitle: Text (
formatDirectionSubText ( index ) ,
style: const TextStyle ( fontSize: 14 ) ,
) ,
trailing: SNRIcon ( snr: _snrData [ index ] . toSigned ( 8 ) / 4.0 ) ,
onTap: ( ) {
/ / Handle item tap
} ,
) ;
} ,
) ,
) ,
) ,
) ,
) ,
actions: [
actions: [
IconButton (
icon: _isLoading
? const SizedBox (
width: 20 ,
height: 20 ,
child: CircularProgressIndicator ( strokeWidth: 2 ) ,
)
: const Icon ( Icons . refresh ) ,
onPressed: _isLoading ? null : _doPathTrace ,
tooltip: l10n . pathTrace_refreshTooltip ,
) ,
TextButton (
TextButton (
onPressed: ( ) = > Navigator . of ( context ) . pop ( ) ,
onPressed: ( ) = > Navigator . of ( context ) . pop ( ) ,
child: const Text ( ' Close ' ) ,
child: Text ( l10n . common_close ) ,
) ,
) ,
] ,
] ,
) ;
) ;
Winston Lowe
6 months ago