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 #include "wx/setup.h"
  10
  11 #if wxUSE_SOCKETS
  12
  13 #include <stdlib.h>
  14 #include "wx/unix/gsockunx.h"
  15 #include "wx/gsocket.h"
  16
  17 extern int wxAppAddSocketHandler(int handle, int mask,
  18                                  void (*callback)(void*), void * gsock);
  19
  20 extern void wxAppRemoveSocketHandler(int handle);
  21
  22 #define wxSockReadMask  0x01
  23 #define wxSockWriteMask 0x02
  24
  25 static void _GSocket_PM_Input(void *data)
  26 {
  27     GSocket *socket = (GSocket *) data;
  28     socket->Detected_Read();
  29 }
  30
  31 static void _GSocket_PM_Output(void *data)
  32 {
  33     GSocket *socket = (GSocket *) data;
  34     socket->Detected_Write();
  35 }
  36
  37 bool GSocketGUIFunctionsTableConcrete::CanUseEventLoop()
  38 {   return true; }
  39
  40 bool GSocketGUIFunctionsTableConcrete::OnInit(void)
  41 {
  42     return 1;
  43 }
  44
  45 void GSocketGUIFunctionsTableConcrete::OnExit(void)
  46 {
  47 }
  48
  49 bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
  50 {
  51     int *m_id;
  52     socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  53     m_id = (int *)(socket->m_gui_dependent);
  54
  55     m_id[0] = -1;
  56     m_id[1] = -1;
  57     return TRUE;
  58 }
  59
  60 void GSocketGUIFunctionsTableConcrete::Destroy_Socket(GSocket *socket)
  61 {
  62     free(socket->m_gui_dependent);
  63 }
  64
  65 void GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket *socket, GSocketEvent event)
  66 {
  67     int *m_id = (int *)(socket->m_gui_dependent);
  68     int c;
  69
  70     if (socket->m_fd == -1)
  71         return;
  72
  73     switch (event)
  74     {
  75         case GSOCK_LOST:       /* fall-through */
  76         case GSOCK_INPUT:      c = 0; break;
  77         case GSOCK_OUTPUT:     c = 1; break;
  78         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  79         default: return;
  80     }
  81
  82     if (m_id[c] != -1)
  83         wxAppRemoveSocketHandler(m_id[c]);
  84
  85     if (c == 0)
  86     {
  87         m_id[0] = wxAppAddSocketHandler(socket->m_fd, wxSockReadMask,
  88                                         _GSocket_PM_Input, (void *)socket);
  89     }
  90     else
  91     {
  92         m_id[1] = wxAppAddSocketHandler(socket->m_fd, wxSockWriteMask,
  93                                         _GSocket_PM_Output, (void *)socket);
  94     }
  95 }
  96
  97 void GSocketGUIFunctionsTableConcrete::Uninstall_Callback(GSocket *socket, GSocketEvent event)
  98 {
  99     int *m_id = (int *)(socket->m_gui_dependent);
 100     int c;
 101     switch (event)
 102     {
 103         case GSOCK_LOST:       /* fall-through */
 104         case GSOCK_INPUT:      c = 0; break;
 105         case GSOCK_OUTPUT:     c = 1; break;
 106         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
 107         default: return;
 108     }
 109     if (m_id[c] != -1)
 110         wxAppRemoveSocketHandler(m_id[c]);
 111
 112     m_id[c] = -1;
 113 }
 114
 115 void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
 116 {
 117     Install_Callback(socket, GSOCK_INPUT);
 118     Install_Callback(socket, GSOCK_OUTPUT);
 119 }
 120
 121 void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
 122 {
 123     Uninstall_Callback(socket, GSOCK_INPUT);
 124     Uninstall_Callback(socket, GSOCK_OUTPUT);
 125 }
 126
 127 #else /* !wxUSE_SOCKETS */
 128
 129 /* some compilers don't like having empty source files */
 130 static int wxDummyGsockVar = 0;
 131
 132 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */