src/os2/gsockpm.c

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockpm.c
   4  * Purpose: GSocket: PM part
   5  * CVSID:   $Id$
   6  * ------------------------------------------------------------------------- */
   7
   8 #include "wx/setup.h"
   9
  10 #if wxUSE_SOCKETS
  11
  12 #include <stdlib.h>
  13 #include "wx/unix/gsockunx.h"
  14 #include "wx/gsocket.h"
  15
  16 extern int wxAppAddSocketHandler(int handle, int mask,
  17                                  void (*callback)(void*), void * gsock);
  18
  19 extern void wxAppRemoveSocketHandler(int handle);
  20
  21 #define wxSockReadMask  0x01
  22 #define wxSockWriteMask 0x02
  23
  24 static void _GSocket_PM_Input(void *data)
  25 {
  26     GSocket *socket = (GSocket *) data;
  27     _GSocket_Detected_Read(socket);
  28 }
  29
  30 static void _GSocket_PM_Output(void *data)
  31 {
  32     GSocket *socket = (GSocket *) data;
  33     _GSocket_Detected_Write(socket);
  34 }
  35
  36 int _GSocket_GUI_Init(GSocket *socket)
  37 {
  38     int *m_id;
  39     socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
  40     m_id = (int *)(socket->m_gui_dependent);
  41
  42     m_id[0] = -1;
  43     m_id[1] = -1;
  44     return TRUE;
  45 }
  46
  47 void _GSocket_GUI_Destroy(GSocket *socket)
  48 {
  49     free(socket->m_gui_dependent);
  50 }
  51
  52 void _GSocket_Install_Callback(GSocket *socket, GSocketEvent event)
  53 {
  54     int *m_id = (int *)(socket->m_gui_dependent);
  55     int c;
  56
  57     if (socket->m_fd == -1)
  58         return;
  59
  60     switch (event)
  61     {
  62         case GSOCK_LOST:       /* fall-through */
  63         case GSOCK_INPUT:      c = 0; break;
  64         case GSOCK_OUTPUT:     c = 1; break;
  65         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  66         default: return;
  67     }
  68
  69     if (m_id[c] != -1)
  70         wxAppRemoveSocketHandler(m_id[c]);
  71
  72     if (c == 0)
  73     {
  74         m_id[0] = wxAppAddSocketHandler(socket->m_fd, wxSockReadMask,
  75                                         _GSocket_PM_Input, (void *)socket);
  76     }
  77     else
  78     {
  79         m_id[1] = wxAppAddSocketHandler(socket->m_fd, wxSockWriteMask,
  80                                         _GSocket_PM_Output, (void *)socket);
  81     }
  82 }
  83
  84 void _GSocket_Uninstall_Callback(GSocket *socket, GSocketEvent event)
  85 {
  86     int *m_id = (int *)(socket->m_gui_dependent);
  87     int c;
  88     switch (event)
  89     {
  90         case GSOCK_LOST:       /* fall-through */
  91         case GSOCK_INPUT:      c = 0; break;
  92         case GSOCK_OUTPUT:     c = 1; break;
  93         case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
  94         default: return;
  95     }
  96     if (m_id[c] != -1)
  97         wxAppRemoveSocketHandler(m_id[c]);
  98
  99     m_id[c] = -1;
 100 }
 101
 102 void _GSocket_Enable_Events(GSocket *socket)
 103 {
 104     _GSocket_Install_Callback(socket, GSOCK_INPUT);
 105     _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 106 }
 107
 108 void _GSocket_Disable_Events(GSocket *socket)
 109 {
 110     _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 111     _GSocket_Uninstall_Callback(socket, GSOCK_OUTPUT);
 112 }
 113
 114 #else /* !wxUSE_SOCKETS */
 115
 116 /* some compilers don't like having empty source files */
 117 static int wxDummyGsockVar = 0;
 118
 119 #endif /* wxUSE_SOCKETS/!wxUSE_SOCKETS */