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 bool GSocketGUIFunctionsTableConcrete::CanUseEventLoop()
  35 {   return true; }
  36
  37 bool GSocketGUIFunctionsTableConcrete::OnInit(void)
  38 {
  39     return 1;
  40 }
  41
  42 void GSocketGUIFunctionsTableConcrete::OnExit(void)
  43 {
  44 }
  45
  46 bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
  47 {
  48     int *m_id;
  49     socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  50     m_id = (int *)(socket->m_gui_dependent);
  51
  52     m_id[0] = -1;
  53     m_id[1] = -1;
  54     return true;
  55 }
  56
  57 void GSocketGUIFunctionsTableConcrete::Destroy_Socket(GSocket *socket)
  58 {
  59     free(socket->m_gui_dependent);
  60 }
  61
  62 void GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket *socket, GSocketEvent event)
  63 {
  64     int *m_id = (int *)(socket->m_gui_dependent);
  65     int c;
  66
  67     if (socket->m_fd == -1)
  68         return;
  69
  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
  79     if (m_id[c] != -1)
  80         wxTheApp->RemoveSocketHandler(m_id[c]);
  81
  82     if (c == 0)
  83     {
  84         m_id[0] = wxTheApp->AddSocketHandler(socket->m_fd, wxSockReadMask,
  85                                              _GSocket_PM_Input, (void *)socket);
  86     }
  87     else
  88     {
  89         m_id[1] = wxTheApp->AddSocketHandler(socket->m_fd, wxSockWriteMask,
  90                                              _GSocket_PM_Output, (void *)socket);
  91     }
  92 }
  93
  94 void GSocketGUIFunctionsTableConcrete::Uninstall_Callback(GSocket *socket, GSocketEvent event)
  95 {
  96     int *m_id = (int *)(socket->m_gui_dependent);
  97     int c;
  98     switch (event)
  99     {
 100         case GSOCK_LOST:       /* fall-through */
 101         case GSOCK_INPUT:      c = 0; break;
 102         case GSOCK_OUTPUT:     c = 1; break;
 103         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 104         default: return;
 105     }
 106     if (m_id[c] != -1)
 107         wxTheApp->RemoveSocketHandler(m_id[c]);
 108
 109     m_id[c] = -1;
 110 }
 111
 112 void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
 113 {
 114     Install_Callback(socket, GSOCK_INPUT);
 115     Install_Callback(socket, GSOCK_OUTPUT);
 116 }
 117
 118 void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
 119 {
 120     Uninstall_Callback(socket, GSOCK_INPUT);
 121     Uninstall_Callback(socket, GSOCK_OUTPUT);
 122 }
 123
 124 #else /* !wxUSE_SOCKETS */
 125
 126 /* some compilers don't like having empty source files */
 127 static int wxDummyGsockVar = 0;
 128
 129 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */