scheduler/server.c

   1 /*
   2  * "$Id$"
   3  *
   4  *   Server start/stop routines for the CUPS scheduler.
   5  *
   6  *   Copyright 2007-2012 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;    /* Did we start the server already? */
  38
  39
  40 /*
  41  * 'cupsdStartServer()' - Start the server.
  42  */
  43
  44 void
  45 cupsdStartServer(void)
  46 {
  47  /*
  48   * Start color management (as needed)...
  49   */
  50
  51   cupsdStartColor();
  52
  53  /*
  54   * Create the default security profile...
  55   */
  56
  57   DefaultProfile = cupsdCreateProfile(0, 1);
  58
  59  /*
  60   * Startup all the networking stuff...
  61   */
  62
  63   cupsdStartListening();
  64   cupsdStartBrowsing();
  65
  66  /*
  67   * Create a pipe for CGI processes...
  68   */
  69
  70   if (cupsdOpenPipe(CGIPipes))
  71     cupsdLogMessage(CUPSD_LOG_ERROR,
  72                     "cupsdStartServer: Unable to create pipes for CGI status!");
  73   else
  74   {
  75     CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]");
  76
  77     cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL);
  78   }
  79
  80  /*
  81   * Mark that the server has started and printers and jobs may be changed...
  82   */
  83
  84   LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED |
  85               CUPSD_EVENT_SERVER_STARTED;
  86   started   = 1;
  87
  88   cupsdSetBusyState();
  89 }
  90
  91
  92 /*
  93  * 'cupsdStopServer()' - Stop the server.
  94  */
  95
  96 void
  97 cupsdStopServer(void)
  98 {
  99   if (!started)
 100     return;
 101
 102  /*
 103   * Stop color management (as needed)...
 104   */
 105
 106   cupsdStopColor();
 107
 108  /*
 109   * Close all network clients...
 110   */
 111
 112   cupsdCloseAllClients();
 113   cupsdStopListening();
 114   cupsdStopBrowsing();
 115   cupsdStopAllNotifiers();
 116   cupsdDeleteAllCerts();
 117
 118   if (Clients)
 119   {
 120     cupsArrayDelete(Clients);
 121     Clients = NULL;
 122   }
 123
 124  /*
 125   * Close the pipe for CGI processes...
 126   */
 127
 128   if (CGIPipes[0] >= 0)
 129   {
 130     cupsdRemoveSelect(CGIPipes[0]);
 131
 132     cupsdStatBufDelete(CGIStatusBuffer);
 133     close(CGIPipes[1]);
 134
 135     CGIPipes[0] = -1;
 136     CGIPipes[1] = -1;
 137   }
 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 "$Id$".
 184  */