src/os2/gsockpm.c

   1 /* -------------------------------------------------------------------------
   2  * Project: GSocket (Generic Socket) for WX
   3  * Name:    gsockpm.c
   4  * Purpose: GSocket: PM part
   5  * Licence: The wxWidgets 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->m_functions->Detected_Read(socket);
  29 }
  30
  31 static void _GSocket_PM_Output(void *data)
  32 {
  33     GSocket *socket = (GSocket *) data;
  34     socket->m_functions->Detected_Write(socket);
  35 }
  36
  37 int _GSocket_GUI_Init(void)
  38 {
  39     return 1;
  40 }
  41
  42 void _GSocket_GUI_Cleanup(void)
  43 {
  44 }
  45
  46 int _GSocket_GUI_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 _GSocket_GUI_Destroy_Socket(GSocket *socket)
  58 {
  59     free(socket->m_gui_dependent);
  60 }
  61
  62 void _GSocket_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         wxAppRemoveSocketHandler(m_id[c]);
  81
  82     if (c == 0)
  83     {
  84         m_id[0] = wxAppAddSocketHandler(socket->m_fd, wxSockReadMask,
  85                                         _GSocket_PM_Input, (void *)socket);
  86     }
  87     else
  88     {
  89         m_id[1] = wxAppAddSocketHandler(socket->m_fd, wxSockWriteMask,
  90                                         _GSocket_PM_Output, (void *)socket);
  91     }
  92 }
  93
  94 void _GSocket_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         wxAppRemoveSocketHandler(m_id[c]);
 108
 109     m_id[c] = -1;
 110 }
 111
 112 void _GSocket_Enable_Events(GSocket *socket)
 113 {
 114     _GSocket_Install_Callback(socket, GSOCK_INPUT);
 115     _GSocket_Install_Callback(socket, GSOCK_OUTPUT);
 116 }
 117
 118 void _GSocket_Disable_Events(GSocket *socket)
 119 {
 120     _GSocket_Uninstall_Callback(socket, GSOCK_INPUT);
 121     _GSocket_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 */