/*
* Genesis Socket Server and Client
* (C)Copyright 2005/2006 Robert Harwood <robharwood@runbox.com>
*
* Please see included license.txt file for information on redistribution and usage.
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using GenesisCore;
namespace GenesisChatServer
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class frmServer : System.Windows.Forms.Form
{
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.TextBox txtPort;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.ComboBox cmbIP;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button btnStart;
private System.Windows.Forms.Button btnStop;
private System.ComponentModel.IContainer components;
private System.Windows.Forms.TextBox txtPassword;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.StatusBar sbStatusBar;
private System.Windows.Forms.StatusBarPanel spState;
private System.Windows.Forms.NotifyIcon nIcon;
private System.Windows.Forms.Button btnHide;
private GenesisCore.IGenesisUDP m_UDP;
public frmServer()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//Instantiate the genesis core
m_UDP = GenesisCore.InterfaceFactory.CreateGenesisUDP("ChatServer");
spState.Text = "Started Genesis Core engine.";
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(frmServer));
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.txtPassword = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.btnStop = new System.Windows.Forms.Button();
this.btnStart = new System.Windows.Forms.Button();
this.txtPort = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.cmbIP = new System.Windows.Forms.ComboBox();
this.label1 = new System.Windows.Forms.Label();
this.sbStatusBar = new System.Windows.Forms.StatusBar();
this.spState = new System.Windows.Forms.StatusBarPanel();
this.nIcon = new System.Windows.Forms.NotifyIcon(this.components);
this.btnHide = new System.Windows.Forms.Button();
this.groupBox1.SuspendLayout();
((System.ComponentModel.ISupportInitialize)(this.spState)).BeginInit();
this.SuspendLayout();
//
// groupBox1
//
this.groupBox1.Controls.Add(this.btnHide);
this.groupBox1.Controls.Add(this.txtPassword);
this.groupBox1.Controls.Add(this.label3);
this.groupBox1.Controls.Add(this.btnStop);
this.groupBox1.Controls.Add(this.btnStart);
this.groupBox1.Controls.Add(this.txtPort);
this.groupBox1.Controls.Add(this.label2);
this.groupBox1.Controls.Add(this.cmbIP);
this.groupBox1.Controls.Add(this.label1);
this.groupBox1.Location = new System.Drawing.Point(8, 8);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(400, 120);
this.groupBox1.TabIndex = 5;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "Server Settings";
//
// txtPassword
//
this.txtPassword.Location = new System.Drawing.Point(8, 88);
this.txtPassword.Name = "txtPassword";
this.txtPassword.PasswordChar = '*';
this.txtPassword.Size = new System.Drawing.Size(144, 21);
this.txtPassword.TabIndex = 12;
this.txtPassword.Text = "";
//
// label3
//
this.label3.Location = new System.Drawing.Point(8, 72);
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(80, 16);
this.label3.TabIndex = 11;
this.label3.Text = "Password";
//
// btnStop
//
this.btnStop.Enabled = false;
this.btnStop.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.btnStop.Location = new System.Drawing.Point(264, 56);
this.btnStop.Name = "btnStop";
this.btnStop.Size = new System.Drawing.Size(120, 24);
this.btnStop.TabIndex = 10;
this.btnStop.Text = "Stop Server";
this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
//
// btnStart
//
this.btnStart.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.btnStart.Location = new System.Drawing.Point(264, 24);
this.btnStart.Name = "btnStart";
this.btnStart.Size = new System.Drawing.Size(120, 24);
this.btnStart.TabIndex = 9;
this.btnStart.Text = "Start Server";
this.btnStart.Click += new System.EventHandler(this.btnStart_Click);
//
// txtPort
//
this.txtPort.Location = new System.Drawing.Point(168, 40);
this.txtPort.Name = "txtPort";
this.txtPort.Size = new System.Drawing.Size(72, 21);
this.txtPort.TabIndex = 8;
this.txtPort.Text = "27000";
//
// label2
//
this.label2.Location = new System.Drawing.Point(168, 24);
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(80, 16);
this.label2.TabIndex = 7;
this.label2.Text = "Port";
//
// cmbIP
//
this.cmbIP.Location = new System.Drawing.Point(8, 40);
this.cmbIP.Name = "cmbIP";
this.cmbIP.Size = new System.Drawing.Size(144, 21);
this.cmbIP.TabIndex = 6;
//
// label1
//
this.label1.Location = new System.Drawing.Point(8, 24);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(144, 16);
this.label1.TabIndex = 5;
this.label1.Text = "IP Address";
//
// sbStatusBar
//
this.sbStatusBar.Location = new System.Drawing.Point(0, 135);
this.sbStatusBar.Name = "sbStatusBar";
this.sbStatusBar.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {
this.spState});
this.sbStatusBar.ShowPanels = true;
this.sbStatusBar.Size = new System.Drawing.Size(418, 24);
this.sbStatusBar.SizingGrip = false;
this.sbStatusBar.TabIndex = 6;
//
// spState
//
this.spState.AutoSize = System.Windows.Forms.StatusBarPanelAutoSize.Spring;
this.spState.Text = "Application started.";
this.spState.Width = 418;
//
// nIcon
//
this.nIcon.Icon = ((System.Drawing.Icon)(resources.GetObject("nIcon.Icon")));
this.nIcon.Text = "Genesis Chat Server";
this.nIcon.Visible = true;
this.nIcon.DoubleClick += new System.EventHandler(this.nIcon_DoubleClick);
//
// btnHide
//
this.btnHide.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.btnHide.Location = new System.Drawing.Point(264, 88);
this.btnHide.Name = "btnHide";
this.btnHide.Size = new System.Drawing.Size(120, 24);
this.btnHide.TabIndex = 13;
this.btnHide.Text = "Hide Server";
this.btnHide.Click += new System.EventHandler(this.btnHide_Click);
//
// frmServer
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
this.ClientSize = new System.Drawing.Size(418, 159);
this.Controls.Add(this.sbStatusBar);
this.Controls.Add(this.groupBox1);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.MaximizeBox = false;
this.MinimizeBox = false;
this.Name = "frmServer";
this.Text = "Genesis Chat Server";
this.Load += new System.EventHandler(this.frmServer_Load);
this.Closed += new System.EventHandler(this.frmServer_Closed);
this.groupBox1.ResumeLayout(false);
((System.ComponentModel.ISupportInitialize)(this.spState)).EndInit();
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles( );
Application.DoEvents( );
Application.Run(new frmServer());
}
/// <summary>
/// Server was loaded.
/// </summary>
private void frmServer_Load(object sender, System.EventArgs e)
{
string[] addresses = m_UDP.GetLocalAddresses( );
cmbIP.Items.Clear( );
if(addresses.Length > 0)
{
for(int i = 0; i < addresses.Length; i++)
cmbIP.Items.Add(addresses[i]);
cmbIP.Text = (string)cmbIP.Items[0];
}
//Hook genesis core events
m_UDP.OnListenStateChanged += new ListenHandler(m_UDP_OnListenStateChanged);
m_UDP.OnConnectionAuth += new ConnectionAuthHandler(m_UDP_OnConnectionAuth);
m_UDP.OnCommandReceived += new IncomingCommandHandler(m_UDP_OnCommandReceived);
m_UDP.OnConnectionStateChanged += new ConnectionStateChangeHandler(m_UDP_OnConnectionStateChanged);
}
/// <summary>
/// Server was shut down.
/// </summary>
private void frmServer_Closed(object sender, System.EventArgs e)
{
m_UDP.StopListen( );
//Unhook events
m_UDP.OnListenStateChanged -= new ListenHandler(m_UDP_OnListenStateChanged);
m_UDP.OnConnectionAuth -= new ConnectionAuthHandler(m_UDP_OnConnectionAuth);
m_UDP.OnCommandReceived -= new IncomingCommandHandler(m_UDP_OnCommandReceived);
m_UDP.OnConnectionStateChanged -= new ConnectionStateChangeHandler(m_UDP_OnConnectionStateChanged);
}
#region Event Handling
/// <summary>
/// The UDP engine has started or stopped listening.
/// </summary>
private void m_UDP_OnListenStateChanged(object o, ListenEventArgs e) { this.Invoke(new GenesisCore.ListenHandler(OnListenStateChanged), new object[] {o,e}); }
private void OnListenStateChanged(object o, ListenEventArgs e)
{
btnStart.Enabled = (!e.Listening);
btnStop.Enabled = e.Listening;
if(e.Listening)
spState.Text = "Server started.";
else
spState.Text = "Server stopped.";
}
/// <summary>
/// Client has sent login information
/// </summary>
private void m_UDP_OnConnectionAuth(object o, ConnectionAuthEventArgs e) { this.Invoke(new GenesisCore.ConnectionAuthHandler(OnConnectionAuth), new object[] {o, e}); }
private void OnConnectionAuth(object o, ConnectionAuthEventArgs e)
{
//The chat login packet fields are : (Field 0 = Server PW, Field 1 = User nickname).
if(e.AuthCommand.Fields.Length < 2)
{
e.AllowConnection = false;
e.DisallowReason = "No nickname sent.";
return;
}
else
{
if(e.AuthCommand.Fields[1].Length < 3)
{
e.AllowConnection = false;
e.DisallowReason = "Nickname too short.";
return;
}
else if(e.AuthCommand.Fields[1].Length > 15)
{
e.AllowConnection = false;
e.DisallowReason = "Nickname too long.";
return;
}
else
{
if(e.AuthCommand.Fields[0] == txtPassword.Text)
{
e.AllowConnection = true;
//Store the users nickname on the connection
UserData ud = new UserData( );
ud.NickName = e.AuthCommand.Fields[1];
e.ClientConnection.UserObject = ud;
//Send the connected packet
m_UDP.SendReliableCommandToAll(BroadcastFilter.Clients | BroadcastFilter.AuthedOnly, 0, "22", new string[] {ud.NickName, "1"});
//Send the user list to currently connected users
SendUserList(null);
}
else
{
e.AllowConnection = false;
e.DisallowReason = "Bad password.";
}
}
}
}
/// <summary>
/// Have got an incoming connection from a connected client.
/// </summary>
private void m_UDP_OnCommandReceived(object o, CommandEventArgs e) { this.Invoke(new GenesisCore.IncomingCommandHandler(OnCommandReceived), new object[] {o, e}); }
private void OnCommandReceived(object o, CommandEventArgs e)
{
//Chat packet
if(e.SentCommand.OPCode == "20")
{
//Get the user data object
UserData ud = e.Sender.UserObject as UserData;
if(ud == null)
return; //Should never happen
m_UDP.SendUnreliableCommandToAll(BroadcastFilter.Clients | BroadcastFilter.AuthedOnly, GenesisConsts.FLAGS_SEQUENCED, "21", new string[] {ud.NickName, e.SentCommand.Fields[0]});
}
//Request for the user list.
if(e.SentCommand.OPCode == "23")
{
SendUserList(e.Sender);
}
}
/// <summary>
/// A connection has come or gone
/// </summary>
private void m_UDP_OnConnectionStateChanged(object o, ConnectionStateChangeEventArgs e) { this.Invoke(new GenesisCore.ConnectionStateChangeHandler(OnConnectionStateChanged), new object[] {o, e} ); }
private void OnConnectionStateChanged(object o, ConnectionStateChangeEventArgs e)
{
if(!e.Connected)
{
if(e.Connection.UserObject != null)
{
UserData ud = new UserData( );
ud = e.Connection.UserObject as UserData;
if(ud != null)
{
//Send the disconnected packet
m_UDP.SendReliableCommandToAll(BroadcastFilter.Clients | BroadcastFilter.AuthedOnly, 0, "22", new string[] {ud.NickName, "0"});
SendUserList(null);
}
}
}
}
#endregion
/// <summary>
/// Sends a user list to one or all clients.
/// </summary>
private void SendUserList(IConnection conn)
{
GenesisCore.IConnection[] cns;
m_UDP.GetConnections(false, out cns);
string[] nicks = new string[cns.Length];
for(int i = 0; i < cns.Length; i++)
{
UserData ud = cns[i].UserObject as UserData;
if(ud != null)
{
nicks[i] = ud.NickName;
}
}
if(conn == null)
m_UDP.SendUnreliableCommandToAll(BroadcastFilter.Clients | BroadcastFilter.AuthedOnly, 0, "23", nicks);
else
conn.SendUnreliableCommand(0, "23", nicks);
}
/// <summary>
/// Server start button was clicked.
/// </summary>
private void btnStart_Click(object sender, System.EventArgs e)
{
m_UDP.StartListen(cmbIP.Text, Convert.ToInt32(txtPort.Text));
spState.Text = "Starting server...";
}
/// <summary>
/// Server stop button was clicked
/// </summary>
private void btnStop_Click(object sender, System.EventArgs e)
{
m_UDP.StopListen( );
spState.Text = "Stopping server...";
}
/// <summary>
/// Hide button was clicked
/// </summary>
private void btnHide_Click(object sender, System.EventArgs e)
{
this.Visible = false;
}
/// <summary>
/// Tray icon was double clicked
/// </summary>
private void nIcon_DoubleClick(object sender, System.EventArgs e)
{
this.Visible = true;
}
}
}
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