src/os2/gsockpm.c

   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     _GSocket_Detected_Read(socket);
  29 }
  30
  31 static void _GSocket_PM_Output(void *data)
  32 {
  33     GSocket *socket = (GSocket *) data;
  34     _GSocket_Detected_Write(socket);
  35 }
  36
  37 int _GSocket_GUI_Init(GSocket *socket)
  38 {
  39     int *m_id;
  40     socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  41     m_id = (int *)(socket->m_gui_dependent);
  42
  43     m_id[0] = -1;
  44     m_id[1] = -1;
  45     return TRUE;
  46 }
  47
  48 void _GSocket_GUI_Destroy(GSocket *socket)
  49 {
  50     free(socket->m_gui_dependent);
  51 }
  52
  53 void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event)
  54 {
  55     int *m_id = (int *)(socket->m_gui_dependent);
  56     int c;
  57
  58     if (socket->m_fd == -1)
  59         return;
  60
  61     switch (event)
  62     {
  63         case GSOCK_LOST:       /* fall-through */
  64         case GSOCK_INPUT:      c = 0; break;
  65         case GSOCK_OUTPUT:     c = 1; break;
  66         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  67         default: return;
  68     }
  69
  70     if (m_id[c] != -1)
  71         wxAppRemoveSocketHandler(m_id[c]);
  72
  73     if (c == 0)
  74     {
  75         m_id[0] = wxAppAddSocketHandler(socket->m_fd, wxSockReadMask,
  76                                         _GSocket_PM_Input, (void *)socket);
  77     }
  78     else
  79     {
  80         m_id[1] = wxAppAddSocketHandler(socket->m_fd, wxSockWriteMask,
  81                                         _GSocket_PM_Output, (void *)socket);
  82     }
  83 }
  84
  85 void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event)
  86 {
  87     int *m_id = (int *)(socket->m_gui_dependent);
  88     int c;
  89     switch (event)
  90     {
  91         case GSOCK_LOST:       /* fall-through */
  92         case GSOCK_INPUT:      c = 0; break;
  93         case GSOCK_OUTPUT:     c = 1; break;
  94         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  95         default: return;
  96     }
  97     if (m_id[c] != -1)
  98         wxAppRemoveSocketHandler(m_id[c]);
  99
 100     m_id[c] = -1;
 101 }
 102
 103 void _GSocket_Enable_Events(GSocket *socket)
 104 {
 105     _GSocket_Install_Callback(socket, GSOCK_INPUT);
 106     _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 107 }
 108
 109 void _GSocket_Disable_Events(GSocket *socket)
 110 {
 111     _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 112     _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT);
 113 }
 114
 115 #else /* !wxUSE_SOCKETS */
 116
 117 /* some compilers don't like having empty source files */
 118 static int wxDummyGsockVar = 0;
 119
 120 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */