Title: How to use Serversocket and Clientsocket
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ComCtrls, ScktComp;
type
TForm1 = class(TForm)
Clientsocket1: TClientSocket;
StatusBar1: TStatusBar;
Button1: TButton;
Button2: TButton;
Edit1: TEdit;
Label1: TLabel;
Button3: TButton;
CheckBox1: TCheckBox;
Checkbox2: TCheckBox;
procedure Button1Click(Sender : TObject);
procedure Button2Click(Sender : TObject);
procedure Clientsocket1Error(Sender : TObject; Socket : TCustomWinSocket;
ErrorEvent : TErrorEvent; var ErrorCode : integer);
procedure Clientsocket1Disconnect(Sender : TObject;
Socket : TCustomWinSocket);
procedure Clientsocket1Connect(Sender : TObject;
Socket : TCustomWinSocket);
procedure Button3Click(Sender : TObject);
procedure FormClose(Sender : TObject; var Action : TCloseAction);
procedure FormDestroy(Sender : TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1 : TForm1;
implementation
{$R *.dfm}
procedure TForm1.Button1Click(Sender : TObject);
begin
Clientsocket1.Active := True;
end;
procedure TForm1.Button2Click(Sender : TObject);
begin
Clientsocket1.Active := False;
end;
procedure TForm1.Clientsocket1Error(Sender : TObject;
Socket : TCustomWinSocket; ErrorEvent : TErrorEvent;
var ErrorCode : integer);
begin
errorcode := 0;
StatusBar1.SimpleText := 'Error';
end;
procedure TForm1.Clientsocket1Disconnect(Sender : TObject;
Socket : TCustomWinSocket);
begin
StatusBar1.SimpleText := 'Disconnect';
end;
procedure TForm1.Clientsocket1Connect(Sender : TObject;
Socket : TCustomWinSocket);
begin
StatusBar1.SimpleText := Clientsocket1.Address;
end;
procedure TForm1.Button3Click(Sender : TObject);
var
ukaz : string;
orders : string;
Text : string;
box : string;
begin
ukaz := edit1.Text;
Clientsocket1.Socket.SendText(ukaz);
if checkbox1.Checked = True then
begin
orders := 'power';
Clientsocket1.Socket.SendText(orders);
end;
if Checkbox2.Checked = True then
begin
Text := 'reset';
Clientsocket1.Socket.SendText(Text);
end;
end;
procedure TForm1.FormClose(Sender : TObject; var Action : TCloseAction);
begin
Clientsocket1.Active := False;
end;
procedure TForm1.FormDestroy(Sender : TObject);
begin
Clientsocket1.Active := False;
end;
end.
// Client Program
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ScktComp, StdCtrls, ShellApi;
type
TForm1 = class(TForm)
Label1: TLabel;
Serversocket1: TServerSocket;
procedure FormClose(Sender : TObject; var Action : TCloseAction);
procedure FormDestroy(Sender : TObject);
procedure FormCreate(Sender : TObject);
procedure Serversocket1ClientError(Sender : TObject;
Socket : TCustomWinSocket; ErrorEvent : TErrorEvent;
var ErrorCode : integer);
procedure Serversocket1ClientRead(Sender : TObject;
Socket : TCustomWinSocket);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1 : TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormClose(Sender : TObject; var Action : TCloseAction);
begin
Serversocket1.Active := False;
end;
procedure TForm1.FormDestroy(Sender : TObject);
begin
Serversocket1.Active := False;
end;
procedure TForm1.FormCreate(Sender : TObject);
begin
Serversocket1.Active := True;
end;
procedure TForm1.Serversocket1ClientError(Sender : TObject;
Socket : TCustomWinSocket; ErrorEvent : TErrorEvent;
var ErrorCode : integer);
begin
errorcode := 0;
end;
procedure TForm1.Serversocket1ClientRead(Sender : TObject;
Socket : TCustomWinSocket);
var
ukaz : string;
orders : string;
Text : string;
box : string;
begin
ukaz := socket.ReceiveText;
label1.Caption := 'reciving...';
ShellExecute(Handle, 'open', PChar(ukaz), PChar(''), nil, sw_show);
Text := socket.ReceiveText;
orders := socket.ReceiveText;
if orders = 'power' then
begin
ShellExecute(Handle, 'open', PChar('shutdown.exe'), PChar('-s'), nil, sw_show);
Application.MessageBox('You will be turned off', 'Warning', mb_iconexclamation);
Serversocket1.Active := False;
Form1.Close;
end;
if Text = 'reset' then
begin
ShellExecute(Handle, 'open', PChar('shutdown.exe'), PChar('-r'), nil, sw_show);
Application.MessageBox('You will be reset', 'Warning', mb_iconexclamation);
Serversocket1.Active := False;
Form1.Close;
end;
end;
end.