samples/ipc/server.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        server.h
   3 // Purpose:     DDE sample: server
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     25/01/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "connection.h"
  13
  14 #define ID_START         10000
  15 #define ID_DISCONNECT    10001
  16 #define ID_ADVISE         10002
  17 #define ID_LOG          10003
  18 #define ID_SERVERNAME    10004
  19
  20 // Define a new application
  21 class MyServer;
  22 class MyFrame;
  23
  24 class MyApp : public wxApp
  25 {
  26 public:
  27     virtual bool OnInit();
  28     virtual int OnExit();
  29     MyFrame *GetFrame() { return m_frame; };
  30
  31 protected:
  32     MyFrame        *m_frame;
  33 };
  34
  35 DECLARE_APP(MyApp)
  36
  37 // Define a new frame
  38 class MyFrame : public wxFrame
  39 {
  40 public:
  41     MyFrame(wxFrame *frame, const wxString& title);
  42
  43     void OnExit(wxCommandEvent& event);
  44     void OnClose(wxCloseEvent& event);
  45
  46     void Enable();
  47     void Disconnect();
  48
  49 protected:
  50     wxButton* GetStart()  { return (wxButton*) FindWindow( ID_START ); }
  51     wxChoice* GetServername()  { return (wxChoice*) FindWindow( ID_SERVERNAME ); }
  52     wxButton* GetDisconnect()  { return (wxButton*) FindWindow( ID_DISCONNECT ); }
  53     wxButton* GetAdvise()  { return (wxButton*) FindWindow( ID_ADVISE ); }
  54     wxTextCtrl* GetLog()  { return (wxTextCtrl*) FindWindow( ID_LOG ); }
  55
  56
  57     MyServer         *m_server;
  58
  59     void OnStart( wxCommandEvent &event );
  60     void OnServerName( wxCommandEvent &event );
  61     void OnDisconnect( wxCommandEvent &event );
  62     void OnAdvise( wxCommandEvent &event );
  63
  64     DECLARE_EVENT_TABLE()
  65 };
  66
  67 class MyConnection : public MyConnectionBase
  68 {
  69 public:
  70     virtual bool OnExecute(const wxString& topic, const void *data, size_t size, wxIPCFormat format);
  71     virtual const void *OnRequest(const wxString& topic, const wxString& item, size_t *size, wxIPCFormat format);
  72     virtual bool OnPoke(const wxString& topic, const wxString& item, const void *data, size_t size, wxIPCFormat format);
  73     virtual bool OnStartAdvise(const wxString& topic, const wxString& item);
  74     virtual bool OnStopAdvise(const wxString& topic, const wxString& item);
  75     virtual bool DoAdvise(const wxString& item, const void *data, size_t size, wxIPCFormat format);
  76     virtual bool OnDisconnect();
  77
  78     wxString        m_sAdvise;
  79
  80 protected:
  81     wxString        m_sRequestDate;
  82     char            m_achRequestBytes[3];
  83 };
  84
  85 class MyServer: public wxServer
  86 {
  87 public:
  88     MyServer();
  89     ~MyServer();
  90     void Disconnect();
  91     bool IsConnected() { return m_connection != NULL; };
  92     MyConnection *GetConnection() { return m_connection; };
  93     void Advise();
  94     bool CanAdvise() { return m_connection != NULL && !m_connection->m_sAdvise.IsEmpty(); };
  95     wxConnectionBase *OnAcceptConnection(const wxString& topic);
  96
  97 protected:
  98     MyConnection     *m_connection;
  99 };
 100