1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
87:
88:
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99:
100:
101:
102:
103:
104:
105:
106:
107:
108:
109:
110:
111:
112:
113:
114:
115:
116:
117:
118:
119:
120:
121:
122:
123:
124:
125:
126:
127:
128:
129:
130:
131:
132:
133:
134:
135:
136:
137:
138:
| unit Chat;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ScktComp, Winsock;
type
TForm1 = class(TForm)
ClientSocket1: TClientSocket;
ServerSocket1: TServerSocket;
Edit1: TEdit;
Button1: TButton;
Edit2: TEdit;
Button2: TButton;
Button3: TButton;
Memo1: TMemo;
Edit3: TEdit;
Memo2: TMemo;
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure ClientSocket1Read(Sender: TObject; Socket: TCustomWinSocket);
procedure ServerSocket1ClientRead(Sender: TObject;
Socket: TCustomWinSocket);
procedure Button1Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
function getIPs: Tstrings;
type
TaPInAddr = array[0..10] of PInAddr;
PaPInAddr = ^TaPInAddr;
var
phe: PHostEnt;
pptr: PaPInAddr;
Buffer: array[0..63] of Char;
I: Integer;
GInitData: TWSAData;
begin
WSAStartup($101, GInitData);
Result := TstringList.Create;
Result.Clear;
GetHostName(Buffer, SizeOf(Buffer));
phe := GetHostByName(buffer);
if phe = nil then Exit;
pPtr := PaPInAddr(phe^.h_addr_list);
I := 0;
while pPtr^[I] <> nil do
begin
Result.Add(inet_ntoa(pptr^[I]^));
Inc(I);
end;
WSACleanup;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
ClientSocket1.Address := Edit2.Text;
ClientSocket1.Active := true;
Form1.Caption := 'Client';
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
Serversocket1.Active := true;
Form1.Caption := 'Server';
end;
procedure TForm1.ClientSocket1Read(Sender: TObject;
Socket: TCustomWinSocket);
var s : String;
begin
s := Socket.ReceiveText;
Memo1.Lines.add(s);
end;
procedure TForm1.ServerSocket1ClientRead(Sender: TObject;
Socket: TCustomWinSocket);
var s : String;
begin
s := Socket.ReceiveText;
Memo1.Lines.add(s);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
if (Form1.Caption = 'Client') then
begin
Clientsocket1.Socket.Sendtext(Edit3.Text + ': ' + Edit1.Text);
Memo1.Lines.add(Edit3.Text + ': ' + Edit1.Text);
Edit1.Text := '';
if Edit1.Text = '' then
begin
Edit1.Text := '';
end;
end;
if (Form1.Caption = 'Server') then
begin
ServerSocket1.Socket.Connections[0].SendText(Edit3.Text + ': ' + Edit1.Text);
Memo1.Lines.add(Edit3.Text + ': ' +Edit1.Text);
Edit1.Text := '';
if Edit1.Text = '' then
begin
Edit1.Text := '';
end;
end;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Memo2.Lines := GetIps;
end;
end. |