scheduler/cupsd.h

   1 /*
   2  * "$Id: cupsd.h 4903 2006-01-10 20:02:46Z mike $"
   3  *
   4  *   Main header file for the Common UNIX Printing System (CUPS) scheduler.
   5  *
   6  *   Copyright 1997-2006 by Easy Software Products, all rights reserved.
   7  *
   8  *   These coded instructions, statements, and computer programs are the
   9  *   property of Easy Software Products and are protected by Federal
  10  *   copyright law.  Distribution and use rights are outlined in the file
  11  *   "LICENSE" which should have been included with this file.  If this
  12  *   file is missing or damaged please contact Easy Software Products
  13  *   at:
  14  *
  15  *       Attn: CUPS Licensing Information
  16  *       Easy Software Products
  17  *       44141 Airport View Drive, Suite 204
  18  *       Hollywood, Maryland 20636 USA
  19  *
  20  *       Voice: (301) 373-9600
  21  *       EMail: cups-info@cups.org
  22  *         WWW: http://www.cups.org
  23  */
  24
  25
  26 /*
  27  * Include necessary headers.
  28  */
  29
  30 #include <cups/http-private.h>
  31 #include <cups/string.h>
  32 #include <stdlib.h>
  33 #include <limits.h>
  34 #include <errno.h>
  35 #include <time.h>
  36 #include <signal.h>
  37 #include <fcntl.h>
  38 #include <math.h>
  39 #include <sys/types.h>
  40 #include <sys/time.h>
  41 #include <sys/stat.h>
  42 #include <sys/wait.h>
  43
  44 #ifdef WIN32
  45 #  include <direct.h>
  46 #else
  47 #  include <unistd.h>
  48 #endif /* WIN32 */
  49
  50 #include <cups/array.h>
  51 #include <cups/cups.h>
  52 #include "mime.h"
  53 #include <cups/http.h>
  54 #include <cups/ipp.h>
  55 #include <cups/i18n.h>
  56 #include <cups/debug.h>
  57
  58 #if defined(HAVE_CDSASSL)
  59 #  include <CoreFoundation/CoreFoundation.h>
  60 #endif /* HAVE_CDSASSL */
  61
  62
  63 /*
  64  * Some OS's don't have hstrerror(), most notably Solaris...
  65  */
  66
  67 #ifndef HAVE_HSTRERROR
  68 #  define hstrerror cups_hstrerror
  69
  70 extern const char *cups_hstrerror(int);
  71 #endif /* !HAVE_HSTRERROR */
  72
  73
  74 /*
  75  * Common constants.
  76  */
  77
  78 #ifndef FALSE
  79 #  define FALSE         0
  80 #  define TRUE          (!FALSE)
  81 #endif /* !FALSE */
  82
  83
  84 /*
  85  * Implementation limits...
  86  */
  87
  88 #define MAX_USERPASS            33      /* Maximum size of username/password */
  89 #define MAX_FILTERS             20      /* Maximum number of filters */
  90 #define MAX_SYSTEM_GROUPS       32      /* Maximum number of system groups */
  91
  92
  93 /*
  94  * Defaults...
  95  */
  96
  97 #define DEFAULT_HISTORY         1       /* Preserve job history? */
  98 #define DEFAULT_FILES           0       /* Preserve job files? */
  99 #define DEFAULT_TIMEOUT         300     /* Timeout during requests/updates */
 100 #define DEFAULT_KEEPALIVE       60      /* Timeout between requests */
 101 #define DEFAULT_INTERVAL        30      /* Interval between browse updates */
 102 #define DEFAULT_CHARSET         "utf-8" /* Default charset */
 103
 104
 105 /*
 106  * Global variable macros...
 107  */
 108
 109 #ifdef _MAIN_C_
 110 #  define VAR
 111 #  define VALUE(x) =x
 112 #  define VALUE2(x,y) ={x,y}
 113 #else
 114 #  define VAR      extern
 115 #  define VALUE(x)
 116 #  define VALUE2(x,y)
 117 #endif /* _MAIN_C */
 118
 119
 120 /*
 121  * Other stuff for the scheduler...
 122  */
 123
 124 #include "statbuf.h"
 125 #include "cert.h"
 126 #include "auth.h"
 127 #include "client.h"
 128 #include "policy.h"
 129 #include "printers.h"
 130 #include "classes.h"
 131 #include "job.h"
 132 #include "conf.h"
 133 #include "banners.h"
 134 #include "dirsvc.h"
 135 #include "network.h"
 136 #include "subscriptions.h"
 137
 138
 139 /*
 140  * Reload types...
 141  */
 142
 143 #define RELOAD_NONE     0               /* No reload needed */
 144 #define RELOAD_ALL      1               /* Reload everything */
 145 #define RELOAD_CUPSD    2               /* Reload only cupsd.conf */
 146
 147
 148 /*
 149  * Globals...
 150  */
 151
 152 VAR int                 MaxFDs,         /* Maximum number of files */
 153                         SetSize;        /* The size of the input/output sets */
 154 VAR fd_set              *InputSet,      /* Input files for select() */
 155                         *OutputSet;     /* Output files for select() */
 156
 157 VAR time_t              ReloadTime      VALUE(0);
 158                                         /* Time of reload request... */
 159 VAR int                 NeedReload      VALUE(RELOAD_ALL);
 160                                         /* Need to load configuration? */
 161
 162
 163 /*
 164  * Prototypes...
 165  */
 166
 167 extern void     cupsdCatchChildSignals(void);
 168 extern void     cupsdClearString(char **s);
 169 extern void     cupsdHoldSignals(void);
 170 extern void     cupsdIgnoreChildSignals(void);
 171 extern void     cupsdReleaseSignals(void);
 172 extern void     cupsdSetString(char **s, const char *v);
 173 extern void     cupsdSetStringf(char **s, const char *f, ...)
 174 #ifdef __GNUC__
 175 __attribute__ ((__format__ (__printf__, 2, 3)))
 176 #endif /* __GNUC__ */
 177 ;
 178 extern void     cupsdStartServer(void);
 179 extern void     cupsdStopServer(void);
 180 extern void     cupsdClosePipe(int *fds);
 181 extern int      cupsdOpenPipe(int *fds);
 182
 183 extern void     cupsdClearEnv(void);
 184 extern void     cupsdInitEnv(void);
 185 extern int      cupsdLoadEnv(char *envp[], int envmax);
 186 extern void     cupsdSetEnv(const char *name, const char *value);
 187 extern void     cupsdSetEnvf(const char *name, const char *value, ...)
 188 #ifdef __GNUC__
 189 __attribute__ ((__format__ (__printf__, 2, 3)))
 190 #endif /* __GNUC__ */
 191 ;
 192
 193 extern int      cupsdEndProcess(int pid, int force);
 194 extern int      cupsdStartProcess(const char *command, char *argv[],
 195                                   char *envp[], int infd, int outfd,
 196                                   int errfd, int backfd, int root, int *pid);
 197
 198
 199 /*
 200  * End of "$Id: cupsd.h 4903 2006-01-10 20:02:46Z mike $".
 201  */