baseline: OpenMU upstream b5a0961 (fresh source)

src/Network/Analyzer/PacketSenderForm.cs

@@ -0,0 +1,97 @@
+// <copyright file="PacketSenderForm.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Network.Analyzer;
+
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Windows.Forms;
+
+/// <summary>
+/// A simple packet sender form which allows to send data packets to the client or the server.
+/// </summary>
+public partial class PacketSenderForm : Form
+{
+    private readonly LiveConnection _connection = null!;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PacketSenderForm"/> class.
+    /// </summary>
+    public PacketSenderForm()
+    {
+        this.InitializeComponent();
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="PacketSenderForm"/> class.
+    /// </summary>
+    /// <param name="connection">The connection.</param>
+    public PacketSenderForm(LiveConnection connection)
+    {
+        this.InitializeComponent();
+        this._connection = connection;
+
+        this.SetText();
+
+        this.sendButton.Click += this.SendButtonClick;
+        connection.PropertyChanged += this.ConnectionOnPropertyChanged;
+    }
+
+    private void ConnectionOnPropertyChanged(object? sender, PropertyChangedEventArgs e)
+    {
+        if (!this.InvokeRequired)
+        {
+            this.SetText();
+            return;
+        }
+
+        if (this.IsHandleCreated)
+        {
+            this.Invoke((Action)this.SetText);
+        }
+    }
+
+    private void SetText()
+    {
+        this.Text = $"Packet Sender ({this._connection.Name})";
+        if (!this._connection.IsConnected)
+        {
+            this.sendButton.Enabled = false;
+        }
+    }
+
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "VSTHRD100:Avoid async void methods", Justification = "Catching all Exceptions.")]
+    private async void SendButtonClick(object? sender, EventArgs e)
+    {
+        try
+        {
+            foreach (var line in this.packetTextBox.Lines.Where(l => !string.IsNullOrEmpty(l.Trim())))
+            {
+                if (!CapturedConnectionExtensions.TryParseArray(line.Trim(), out var data))
+                {
+                    MessageBox.Show("Wrong format. Please enter the packet in hex format with a space between each byte. \n Example: C1 03 30", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                    return;
+                }
+
+                if (!this._connection.IsConnected)
+                {
+                    return;
+                }
+
+                if (this.toClientRadioButton.Checked)
+                {
+                    await this._connection.SendToClientAsync(data).ConfigureAwait(false);
+                }
+                else
+                {
+                    await this._connection.SendToServerAsync(data).ConfigureAwait(false);
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Debug.Fail(ex.Message, ex.StackTrace);
+        }
+    }
+}