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1 /*
2 * File: server.cpp
3 * Purpose: wxSocket: server demo
4 * Author: LAVAUX Guilhem (from minimal.cc)
5 * Created: June 1997
6 * Updated:
7 * Copyright: (c) 1993, AIAI, University of Edinburgh
8 * (C) 1997, LAVAUX Guilhem
9 */
10 #ifdef __GNUG__
11 #pragma implementation
12 #pragma interface
13 #endif
14
15 // For compilers that support precompilation, includes "wx.h".
16 #include "wx/wxprec.h"
17
18 #ifdef __BORLANDC__
19 #pragma hdrstop
20 #endif
21
22 #ifndef WX_PRECOMP
23 #include "wx/wx.h"
24 #endif
25 #include "wx/socket.h"
26
27 // Define a new application type
28 class MyApp: public wxApp
29 { public:
30 bool OnInit(void);
31 };
32
33 class MyServer;
34
35 // Define a new frame type
36 class MyFrame: public wxFrame
37 {
38 DECLARE_EVENT_TABLE()
39 public:
40 MyServer *sock;
41 int nb_clients;
42
43 MyFrame(wxFrame *frame);
44 virtual ~MyFrame();
45 void Menu_Exit(wxCommandEvent& evt);
46 void ExecTest1(wxSocketBase *sock_o);
47 void UpdateStatus(int incr);
48 };
49
50 #define SKDEMO_QUIT 101
51
52 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
53 EVT_MENU(SKDEMO_QUIT, MyFrame::Menu_Exit)
54 END_EVENT_TABLE()
55
56 class MySock: public wxSocketBase {
57 public:
58 MyFrame *frame;
59
60 void OldOnNotify(wxRequestEvent flags);
61 };
62
63 class MyServer: public wxSocketServer {
64 public:
65 MyFrame *frame;
66
67 MyServer(wxSockAddress& addr) : wxSocketServer(addr) { }
68 void OldOnNotify(wxRequestEvent flags);
69 };
70
71 IMPLEMENT_APP(MyApp)
72
73 // `Main program' equivalent, creating windows and returning main app frame
74 bool MyApp::OnInit(void)
75 {
76 // Create the main frame window
77 MyFrame *frame = new MyFrame(NULL);
78
79 // Give it an icon
80 #ifdef wx_msw
81 frame->SetIcon(new wxIcon("mondrian"));
82 #endif
83 #ifdef wx_x
84 frame->SetIcon(new wxIcon("aiai.xbm"));
85 #endif
86
87 // Make a menubar
88 wxMenu *file_menu = new wxMenu;
89
90 file_menu->Append(SKDEMO_QUIT, "E&xit");
91 wxMenuBar *menu_bar = new wxMenuBar;
92 menu_bar->Append(file_menu, "File");
93 frame->SetMenuBar(menu_bar);
94
95 // Make a panel with a message
96 (void)new wxPanel(frame, 0, 0, 300, 100);
97
98 // Show the frame
99 frame->Show(TRUE);
100
101 // Return the main frame window
102 return TRUE;
103 }
104
105 void MySock::OldOnNotify(wxRequestEvent flags)
106 {
107 extern wxList wxPendingDelete;
108
109 switch (flags) {
110 case EVT_READ:
111 unsigned char c;
112
113 ReadMsg((char *)&c, 1);
114 if (c == 0xbe)
115 frame->ExecTest1(this);
116
117 break;
118 case EVT_LOST:
119 frame->UpdateStatus(-1);
120 wxPendingDelete.Append(this);
121 break;
122 }
123 }
124
125 void MyServer::OldOnNotify(wxRequestEvent WXUNUSED(flags))
126 {
127 MySock *sock2 = new MySock();
128
129 if (!AcceptWith(*sock2))
130 return;
131
132 m_handler->Register(sock2);
133
134 sock2->SetFlags(NONE);
135 sock2->frame = frame;
136 sock2->SetNotify(REQ_READ | REQ_LOST);
137 sock2->Notify(TRUE);
138 frame->UpdateStatus(1);
139 }
140
141 // My frame Constructor
142 MyFrame::MyFrame(wxFrame *frame):
143 wxFrame(frame, -1, "wxSocket sample (server)", wxDefaultPosition,
144 wxSize(300, 200))
145 {
146 wxIPV4address addr;
147 addr.Service(3000);
148
149 // Init all
150 wxSocketHandler::Master();
151
152 sock = new MyServer(addr);
153 wxSocketHandler::Master().Register(sock);
154 sock->frame = this;
155 sock->SetNotify(wxSocketBase::REQ_ACCEPT);
156 sock->Notify(TRUE);
157 nb_clients = 0;
158
159 CreateStatusBar(1);
160 UpdateStatus(0);
161 }
162
163 MyFrame::~MyFrame()
164 {
165 delete sock;
166 }
167
168 // Intercept menu commands
169 void MyFrame::Menu_Exit(wxCommandEvent& event)
170 {
171 Close(TRUE);
172 }
173
174 void MyFrame::ExecTest1(wxSocketBase *sock_o)
175 {
176 char *buf = new char[50];
177 size_t l;
178
179 l = sock_o->Read(buf, 50).LastCount();
180 sock_o->Write(buf, l);
181 }
182
183 void MyFrame::UpdateStatus(int incr)
184 {
185 char s[30];
186 nb_clients += incr;
187 sprintf(s, "%d clients connected", nb_clients);
188 SetStatusText(s);
189 }