src/os2/gsockpm.cpp

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockpm.c
   4  * Purpose: GSocket: PM part
   5  * Licence: The wxWindows licence
   6  * CVSID:   $Id$
   7  * ------------------------------------------------------------------------- */
   8
   9 // For compilers that support precompilation, includes "wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #if wxUSE_SOCKETS
  13
  14 #include <stdlib.h>
  15 #include "wx/unix/gsockunx.h"
  16 #include "wx/gsocket.h"
  17 #include "wx/app.h"
  18
  19 #define wxSockReadMask  0x01
  20 #define wxSockWriteMask 0x02
  21
  22 static void _GSocket_PM_Input(void *data)
  23 {
  24     GSocket *socket = (GSocket *) data;
  25     socket->Detected_Read();
  26 }
  27
  28 static void _GSocket_PM_Output(void *data)
  29 {
  30     GSocket *socket = (GSocket *) data;
  31     socket->Detected_Write();
  32 }
  33
  34 void GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket *socket, GSocketEvent event)
  35 {
  36     int *m_id = (int *)(socket->m_gui_dependent);
  37     int c;
  38
  39     if (socket->m_fd == -1)
  40         return;
  41
  42     switch (event)
  43     {
  44         case GSOCK_LOST:       /* fall-through */
  45         case GSOCK_INPUT:      c = 0; break;
  46         case GSOCK_OUTPUT:     c = 1; break;
  47         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  48         default: return;
  49     }
  50
  51     if (m_id[c] != -1)
  52         wxTheApp->RemoveSocketHandler(m_id[c]);
  53
  54     if (c == 0)
  55     {
  56         m_id[0] = wxTheApp->AddSocketHandler(socket->m_fd, wxSockReadMask,
  57                                              _GSocket_PM_Input, (void *)socket);
  58     }
  59     else
  60     {
  61         m_id[1] = wxTheApp->AddSocketHandler(socket->m_fd, wxSockWriteMask,
  62                                              _GSocket_PM_Output, (void *)socket);
  63     }
  64 }
  65
  66 void GSocketGUIFunctionsTableConcrete::Uninstall_Callback(GSocket *socket, GSocketEvent event)
  67 {
  68     int *m_id = (int *)(socket->m_gui_dependent);
  69     int c;
  70     switch (event)
  71     {
  72         case GSOCK_LOST:       /* fall-through */
  73         case GSOCK_INPUT:      c = 0; break;
  74         case GSOCK_OUTPUT:     c = 1; break;
  75         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  76         default: return;
  77     }
  78     if (m_id[c] != -1)
  79         wxTheApp->RemoveSocketHandler(m_id[c]);
  80
  81     m_id[c] = -1;
  82 }
  83
  84 void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
  85 {
  86     Install_Callback(socket, GSOCK_INPUT);
  87     Install_Callback(socket, GSOCK_OUTPUT);
  88 }
  89
  90 void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
  91 {
  92     Uninstall_Callback(socket, GSOCK_INPUT);
  93     Uninstall_Callback(socket, GSOCK_OUTPUT);
  94 }
  95
  96 #else /* !wxUSE_SOCKETS */
  97
  98 /* some compilers don't like having empty source files */
  99 static int wxDummyGsockVar = 0;
 100
 101 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */