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customizable packet fragmentation settings (#9597)

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* first changes

* fix: use ItemsSource for fragment packets ComboBox so value saves correctly

* feat: add customizable packet fragmentation for Xray-core

- Add fragment settings in Core tab: Packets (dropdown), Length (range), Interval (range), MaxSplit (0-10000)
- Support both 'from-to' (e.g., 50-100) and single value (e.g., 50) formats for Length, Interval, and MaxSplit
- Validation with shortened error message: 'Invalid range format. Use from-to (e.g., 50-100).'
- UI in PopupBox (materialDesign) visible only when EnableFragment is checked
- Only Xray-core supported (Mihomo/sing-box fragment code removed)
- Localization updated for 8 languages

* fix: address 2dust review feedback

- Move FragmentPacketsOptions to Global class
- Remove default values from Fragment4RayItem model (set in ConfigHandler)
- Fix Avalonia bindings: move ItemsSource and SelectedItem to code-behind
- Update ViewModel to use Global.FragmentPacketsOptions
- Remove defaults from model properties

* Adjust ui

---------

Co-authored-by: 2dust <31833384+2dust@users.noreply.github.com>
This commit is contained in:
Enqvy
2026-06-22 11:30:13 +03:30
committed by GitHub
parent f1b88ccf2a
commit 81c118c9b2
21 changed files with 713 additions and 5 deletions
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v2rayN/ServiceLib/ViewModels/OptionSettingViewModel.cs
+31
View File
@@ -26,6 +26,10 @@ public class OptionSettingViewModel : MyReactiveObject
[Reactive] public int? HyDownMbps { get; set; }
[Reactive] public bool EnableFragment { get; set; }
[Reactive] public bool EnableFinalFragment { get; set; }
[Reactive] public string FragmentPackets { get; set; }
[Reactive] public string FragmentLength { get; set; }
[Reactive] public string FragmentInterval { get; set; }
[Reactive] public string FragmentMaxSplit { get; set; }
#endregion Core
@@ -163,6 +167,10 @@ public class OptionSettingViewModel : MyReactiveObject
HyDownMbps = _config.HysteriaItem.DownMbps;
EnableFragment = _config.CoreBasicItem.EnableFragment;
EnableFinalFragment = _config.CoreBasicItem.EnableFinalFragment;
FragmentPackets = _config.Fragment4RayItem?.Packets;
FragmentLength = _config.Fragment4RayItem?.Length;
FragmentInterval = _config.Fragment4RayItem?.Interval;
FragmentMaxSplit = _config.Fragment4RayItem?.MaxSplit;
#endregion Core
@@ -343,8 +351,31 @@ public class OptionSettingViewModel : MyReactiveObject
_config.CoreBasicItem.EnableCacheFile4Sbox = EnableCacheFile4Sbox;
_config.HysteriaItem.UpMbps = HyUpMbps ?? 0;
_config.HysteriaItem.DownMbps = HyDownMbps ?? 0;
if (EnableFragment)
{
if (!Utils.TryParseRange(FragmentLength, 0, int.MaxValue, out _, out _))
{
NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
return;
}
if (!Utils.TryParseRange(FragmentInterval, 1, 100, out _, out _))
{
NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
return;
}
if (FragmentMaxSplit.IsNotEmpty()
&& !Utils.TryParseMaxSplit(FragmentMaxSplit, 0, 10000, out _, out _))
{
NoticeManager.Instance.Enqueue(ResUI.FillFragmentParameterError);
return;
}
}
_config.CoreBasicItem.EnableFragment = EnableFragment;
_config.CoreBasicItem.EnableFinalFragment = EnableFinalFragment;
_config.Fragment4RayItem.Packets = FragmentPackets;
_config.Fragment4RayItem.Length = FragmentLength;
_config.Fragment4RayItem.Interval = FragmentInterval;
_config.Fragment4RayItem.MaxSplit = FragmentMaxSplit;
_config.GuiItem.AutoRun = AutoRun;
_config.GuiItem.EnableStatistics = EnableStatistics;