src/WINNT/afsclass/c_notify.cpp

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <winsock2.h>
  11 #include <ws2tcpip.h>
  12
  13 extern "C" {
  14 #include <afsconfig.h>
  15 #include <afs/param.h>
  16 #include <roken.h>
  17 }
  18
  19 #include <WINNT/afsclass.h>
  20 #include "internal.h"
  21
  22
  23 /*
  24  * DEFINITIONS ________________________________________________________________
  25  *
  26  */
  27
  28 #define cREALLOC_NOTIFY  4      // allocate space for 4 notifies at once
  29
  30
  31 /*
  32  * VARIABLES __________________________________________________________________
  33  *
  34  */
  35
  36 size_t            NOTIFYCALLBACK::nNotifyList = 0;
  37 LPNOTIFYCALLBACK *NOTIFYCALLBACK::aNotifyList = NULL;
  38
  39
  40 /*
  41  * PROTOTYPES _________________________________________________________________
  42  *
  43  */
  44
  45
  46 /*
  47  * ROUTINES ___________________________________________________________________
  48  *
  49  */
  50
  51 NOTIFYCALLBACK::NOTIFYCALLBACK (NOTIFYCALLBACKPROC procUser, LPARAM lpUser)
  52 {
  53    procSupplied = procUser;
  54    lpSupplied = lpUser;
  55    size_t iNotify;
  56
  57    for (iNotify = 0; iNotify < nNotifyList; ++iNotify)
  58       {
  59       if (aNotifyList[ iNotify ] == NULL)
  60          break;
  61       }
  62
  63    if (iNotify >= nNotifyList)
  64       {
  65       REALLOC (aNotifyList, nNotifyList, 1+iNotify, cREALLOC_NOTIFY );
  66       }
  67
  68    if (iNotify < nNotifyList)
  69       {
  70       aNotifyList[ iNotify ] = this;
  71       }
  72 }
  73
  74
  75 NOTIFYCALLBACK::~NOTIFYCALLBACK (void)
  76 {
  77    for (size_t iNotify = 0; iNotify < nNotifyList; ++iNotify)
  78       {
  79       if (aNotifyList[ iNotify ] == this)
  80          aNotifyList[ iNotify ] = NULL;
  81       }
  82 }
  83
  84
  85 BOOL NOTIFYCALLBACK::SendNotificationToAll (NOTIFYEVENT evt, ULONG status)
  86 {
  87    return SendNotificationToAll (evt, NULL, NULL, NULL, NULL, 0, status);
  88 }
  89
  90 BOOL NOTIFYCALLBACK::SendNotificationToAll (NOTIFYEVENT evt, LPIDENT lpi1, ULONG status)
  91 {
  92    return SendNotificationToAll (evt, lpi1, NULL, NULL, NULL, 0, status);
  93 }
  94
  95 BOOL NOTIFYCALLBACK::SendNotificationToAll (NOTIFYEVENT evt, LPTSTR psz1, ULONG status)
  96 {
  97    return SendNotificationToAll (evt, NULL, NULL, psz1, NULL, 0, status);
  98 }
  99
 100 BOOL NOTIFYCALLBACK::SendNotificationToAll (NOTIFYEVENT evt, LPIDENT lpi1, LPTSTR psz1, ULONG status)
 101 {
 102    return SendNotificationToAll (evt, lpi1, NULL, psz1, NULL, 0, status);
 103 }
 104
 105 BOOL NOTIFYCALLBACK::SendNotificationToAll (NOTIFYEVENT evt, LPIDENT lpi1, LPIDENT lpi2, LPTSTR psz1, LPTSTR psz2, DWORD dw1, ULONG status)
 106 {
 107    BOOL rc = TRUE;
 108
 109    NOTIFYPARAMS Params;
 110    memset (&Params, 0x00, sizeof(Params));
 111    Params.lpi1 = lpi1;
 112    Params.lpi2 = lpi2;
 113    lstrcpy (Params.sz1, (psz1) ? psz1 : TEXT(""));
 114    lstrcpy (Params.sz2, (psz2) ? psz2 : TEXT(""));
 115    Params.dw1 = dw1;
 116    Params.status = status;
 117
 118    for (size_t iNotify = 0; iNotify < nNotifyList; ++iNotify)
 119       {
 120       if (aNotifyList[ iNotify ] != NULL)
 121          {
 122          Params.lpUser = aNotifyList[ iNotify ]->lpSupplied;
 123          if (!aNotifyList[ iNotify ]->SendNotification (evt, &Params))
 124             rc = FALSE;
 125          }
 126       }
 127
 128    return rc;
 129 }
 130
 131
 132 BOOL NOTIFYCALLBACK::SendNotification (NOTIFYEVENT evt, PNOTIFYPARAMS pParams)
 133 {
 134    BOOL rc = TRUE;
 135
 136    if (procSupplied != NULL) {
 137       try {
 138          if (!(*procSupplied)( evt, pParams ))
 139             rc = FALSE;
 140       } catch(...) {
 141          // whoops--never trust a callback.
 142 #ifdef DEBUG
 143          DebugBreak();
 144 #endif
 145          rc = FALSE;
 146       }
 147    }
 148
 149    return rc;
 150 }
 151