scheduler/server.c

   1 /*
   2  * "$Id: server.c 7927 2008-09-10 22:05:29Z mike $"
   3  *
   4  *   Server start/stop routines for the CUPS scheduler.
   5  *
   6  *   Copyright 2007-2010 by Apple Inc.
   7  *   Copyright 1997-2006 by Easy Software Products, all rights reserved.
   8  *
   9  *   These coded instructions, statements, and computer programs are the
  10  *   property of Apple Inc. and are protected by Federal copyright
  11  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  12  *   which should have been included with this file.  If this file is
  13  *   file is missing or damaged, see the license at "http://www.cups.org/".
  14  *
  15  * Contents:
  16  *
  17  *   cupsdStartServer() - Start the server.
  18  *   cupsdStopServer()  - Stop the server.
  19  */
  20
  21 /*
  22  * Include necessary headers...
  23  */
  24
  25 #include <cups/http-private.h>
  26 #include "cupsd.h"
  27 #include <grp.h>
  28 #ifdef HAVE_NOTIFY_H
  29 #  include <notify.h>
  30 #endif /* HAVE_NOTIFY_H */
  31
  32
  33 /*
  34  * Local globals...
  35  */
  36
  37 static int      started = 0;
  38
  39
  40 /*
  41  * 'cupsdStartServer()' - Start the server.
  42  */
  43
  44 void
  45 cupsdStartServer(void)
  46 {
  47  /*
  48   * Create the default security profile...
  49   */
  50
  51   DefaultProfile = cupsdCreateProfile(0);
  52
  53  /*
  54   * Startup all the networking stuff...
  55   */
  56
  57   cupsdStartListening();
  58   cupsdStartBrowsing();
  59   cupsdStartPolling();
  60
  61  /*
  62   * Create a pipe for CGI processes...
  63   */
  64
  65   if (cupsdOpenPipe(CGIPipes))
  66     cupsdLogMessage(CUPSD_LOG_ERROR,
  67                     "cupsdStartServer: Unable to create pipes for CGI status!");
  68   else
  69   {
  70     CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]");
  71
  72     cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL);
  73   }
  74
  75  /*
  76   * Mark that the server has started and printers and jobs may be changed...
  77   */
  78
  79   LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED |
  80               CUPSD_EVENT_SERVER_STARTED;
  81   started   = 1;
  82
  83   cupsdSetBusyState();
  84 }
  85
  86
  87 /*
  88  * 'cupsdStopServer()' - Stop the server.
  89  */
  90
  91 void
  92 cupsdStopServer(void)
  93 {
  94   if (!started)
  95     return;
  96
  97  /*
  98   * Close all network clients and stop all jobs...
  99   */
 100
 101   cupsdCloseAllClients();
 102   cupsdStopListening();
 103   cupsdStopPolling();
 104   cupsdStopBrowsing();
 105   cupsdStopAllNotifiers();
 106   cupsdDeleteAllCerts();
 107
 108   if (Clients)
 109   {
 110     cupsArrayDelete(Clients);
 111     Clients = NULL;
 112   }
 113
 114  /*
 115   * Close the pipe for CGI processes...
 116   */
 117
 118   if (CGIPipes[0] >= 0)
 119   {
 120     cupsdRemoveSelect(CGIPipes[0]);
 121
 122     cupsdStatBufDelete(CGIStatusBuffer);
 123     close(CGIPipes[1]);
 124
 125     CGIPipes[0] = -1;
 126     CGIPipes[1] = -1;
 127   }
 128
 129 #ifdef HAVE_NOTIFY_POST
 130  /*
 131   * Send one last notification as the server shuts down.
 132   */
 133
 134   cupsdLogMessage(CUPSD_LOG_DEBUG2,
 135                   "notify_post(\"com.apple.printerListChange\") last");
 136   notify_post("com.apple.printerListChange");
 137 #endif /* HAVE_NOTIFY_POST */
 138
 139  /*
 140   * Close all log files...
 141   */
 142
 143   if (AccessFile != NULL)
 144   {
 145     cupsFileClose(AccessFile);
 146
 147     AccessFile = NULL;
 148   }
 149
 150   if (ErrorFile != NULL)
 151   {
 152     cupsFileClose(ErrorFile);
 153
 154     ErrorFile = NULL;
 155   }
 156
 157   if (PageFile != NULL)
 158   {
 159     cupsFileClose(PageFile);
 160
 161     PageFile = NULL;
 162   }
 163
 164  /*
 165   * Delete the default security profile...
 166   */
 167
 168   cupsdDestroyProfile(DefaultProfile);
 169   DefaultProfile = NULL;
 170
 171  /*
 172   * Write out any dirty files...
 173   */
 174
 175   if (DirtyFiles)
 176     cupsdCleanDirty();
 177
 178   started = 0;
 179 }
 180
 181
 182 /*
 183  * End of "$Id: server.c 7927 2008-09-10 22:05:29Z mike $".
 184  */