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Add desktop diagnostics and resilient message handling

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This commit is contained in:
Misaka
2026-05-15 21:29:55 +08:00
parent 4c314c510b
commit d4b7a23e38
4 changed files with 71 additions and 7 deletions
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32
WirelessTextSyncer.Windows/Services/AppLogger.cs Normal file
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@@ -0,0 +1,32 @@
namespace WirelessTextSyncer.Windows.Services;
public static class AppLogger
{
private static readonly object SyncRoot = new();
private static readonly string LogDirectory = Path.Combine(
Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
"WirelessTextSyncer");
public static string LogPath => Path.Combine(LogDirectory, "desktop.log");
public static void Info(string message)
{
Write("INFO", message);
}
public static void Error(string message, Exception? exception = null)
{
Write("ERROR", exception is null ? message : $"{message}{Environment.NewLine}{exception}");
}
private static void Write(string level, string message)
{
lock (SyncRoot)
{
Directory.CreateDirectory(LogDirectory);
File.AppendAllText(
LogPath,
$"{DateTimeOffset.Now:yyyy-MM-dd HH:mm:ss.fff zzz} [{level}] {message}{Environment.NewLine}");
}
}
}

7
WirelessTextSyncer.Windows/Services/KeyboardInjectionService.cs
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@@ -17,6 +17,7 @@ public sealed class KeyboardInjectionService : IKeyboardInjectionService
return;
}
AppLogger.Info($"Injecting text length: {text.Length}");
foreach (var character in text)
{
SendUnicode(character);
@@ -25,11 +26,13 @@ public sealed class KeyboardInjectionService : IKeyboardInjectionService
public void Backspace()
{
AppLogger.Info("Injecting backspace.");
SendVirtualKey(VirtualKeyBack);
}
public void Enter()
{
AppLogger.Info("Injecting enter.");
SendVirtualKey(VirtualKeyReturn);
}
@@ -54,7 +57,9 @@ public sealed class KeyboardInjectionService : IKeyboardInjectionService
var sent = SendInput((uint)inputs.Length, inputs, Marshal.SizeOf<INPUT>());
if (sent != inputs.Length)
{
throw new InvalidOperationException("Windows did not accept all keyboard input events.");
var error = Marshal.GetLastWin32Error();
AppLogger.Error(
$"Windows accepted {sent}/{inputs.Length} keyboard input events. Win32 error: {error}");
}
}

37
WirelessTextSyncer.Windows/Services/WebSocketServerService.cs
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@@ -1,4 +1,5 @@
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Text.Json;
using Fleck;
@@ -44,6 +45,7 @@ public sealed class WebSocketServerService : IDisposable
{
Port = port;
LocalIpAddress = ResolveLocalIpAddress();
AppLogger.Info($"Starting WebSocket server on 0.0.0.0:{Port}. Local IP: {LocalIpAddress}");
server = new WebSocketServer($"ws://0.0.0.0:{Port}");
server.Start(socket =>
@@ -55,6 +57,7 @@ public sealed class WebSocketServerService : IDisposable
clients.Add(socket);
}
AppLogger.Info($"Client connected: {socket.ConnectionInfo.ClientIpAddress}:{socket.ConnectionInfo.ClientPort}");
StatusChanged?.Invoke(this, EventArgs.Empty);
};
socket.OnClose = () =>
@@ -64,6 +67,12 @@ public sealed class WebSocketServerService : IDisposable
clients.Remove(socket);
}
AppLogger.Info($"Client disconnected: {socket.ConnectionInfo.ClientIpAddress}:{socket.ConnectionInfo.ClientPort}");
StatusChanged?.Invoke(this, EventArgs.Empty);
};
socket.OnError = exception =>
{
AppLogger.Error("WebSocket connection error.", exception);
StatusChanged?.Invoke(this, EventArgs.Empty);
};
socket.OnMessage = HandleRawMessage;
@@ -91,26 +100,42 @@ public sealed class WebSocketServerService : IDisposable
{
try
{
AppLogger.Info($"Received message: {rawMessage}");
var message = JsonSerializer.Deserialize<SyncMessage>(rawMessage, JsonOptions);
if (message is null)
{
AppLogger.Info("Ignored empty sync message.");
return;
}
messageHandler.Handle(message);
}
catch (JsonException)
catch (JsonException exception)
{
return;
AppLogger.Error($"Invalid sync message: {rawMessage}", exception);
}
catch (Exception exception)
{
AppLogger.Error($"Failed to handle sync message: {rawMessage}", exception);
}
}
private static string ResolveLocalIpAddress()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
var address = host.AddressList.FirstOrDefault(
address => address.AddressFamily == AddressFamily.InterNetwork
&& !IPAddress.IsLoopback(address));
var address = NetworkInterface.GetAllNetworkInterfaces()
.Where(networkInterface =>
networkInterface.OperationalStatus == OperationalStatus.Up
&& networkInterface.NetworkInterfaceType != NetworkInterfaceType.Loopback)
.Select(networkInterface => networkInterface.GetIPProperties())
.Where(properties => properties.GatewayAddresses.Any(
gateway => gateway.Address.AddressFamily == AddressFamily.InterNetwork
&& !IPAddress.Any.Equals(gateway.Address)))
.SelectMany(properties => properties.UnicastAddresses)
.Select(unicast => unicast.Address)
.FirstOrDefault(address =>
address.AddressFamily == AddressFamily.InterNetwork
&& !IPAddress.IsLoopback(address)
&& !address.ToString().StartsWith("169.254.", StringComparison.Ordinal));
return address?.ToString() ?? "127.0.0.1";
}

2
WirelessTextSyncer.Windows/Tray/TrayApplicationContext.cs
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@@ -9,6 +9,7 @@ public sealed class TrayApplicationContext : ApplicationContext
public TrayApplicationContext()
{
AppLogger.Info("Tray application starting.");
var keyboard = new KeyboardInjectionService();
var handler = new SyncMessageHandler(keyboard);
@@ -31,6 +32,7 @@ public sealed class TrayApplicationContext : ApplicationContext
}
catch (Exception ex)
{
AppLogger.Error("Failed to start tray application.", ex);
notifyIcon.BalloonTipTitle = "WirelessTextSyncer";
notifyIcon.BalloonTipText = $"Failed to start: {ex.Message}";
notifyIcon.ShowBalloonTip(5000);