scheduler/cupsd.h

   1 /*
   2  * "$Id$"
   3  *
   4  *   Main header file for the Common UNIX Printing System (CUPS) scheduler.
   5  *
   6  *   Copyright 1997-2005 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/cups.h>
  51 #include "mime.h"
  52 #include <cups/http.h>
  53 #include <cups/ipp.h>
  54 #include <cups/language.h>
  55 #include <cups/debug.h>
  56
  57 #if defined(HAVE_CDSASSL)
  58 #  include <CoreFoundation/CoreFoundation.h>
  59 #endif /* HAVE_CDSASSL */
  60
  61
  62 /*
  63  * Some OS's don't have hstrerror(), most notably Solaris...
  64  */
  65
  66 #ifndef HAVE_HSTRERROR
  67 #  define hstrerror cups_hstrerror
  68
  69 extern const char *cups_hstrerror(int);
  70 #endif /* !HAVE_HSTRERROR */
  71
  72
  73 /*
  74  * Common constants.
  75  */
  76
  77 #ifndef FALSE
  78 #  define FALSE         0
  79 #  define TRUE          (!FALSE)
  80 #endif /* !FALSE */
  81
  82
  83 /*
  84  * Implementation limits...
  85  */
  86
  87 #define MAX_USERPASS            33      /* Maximum size of username/password */
  88 #define MAX_FILTERS             20      /* Maximum number of filters */
  89 #define MAX_SYSTEM_GROUPS       32      /* Maximum number of system groups */
  90
  91
  92 /*
  93  * Defaults...
  94  */
  95
  96 #define DEFAULT_HISTORY         1       /* Preserve job history? */
  97 #define DEFAULT_FILES           0       /* Preserve job files? */
  98 #define DEFAULT_TIMEOUT         300     /* Timeout during requests/updates */
  99 #define DEFAULT_KEEPALIVE       60      /* Timeout between requests */
 100 #define DEFAULT_INTERVAL        30      /* Interval between browse updates */
 101 #define DEFAULT_LANGUAGE        setlocale(LC_ALL,"")
 102                                         /* Default language encoding */
 103 #define DEFAULT_CHARSET         "utf-8" /* Default charset */
 104
 105
 106 /*
 107  * Global variable macros...
 108  */
 109
 110 #ifdef _MAIN_C_
 111 #  define VAR
 112 #  define VALUE(x) =x
 113 #  define VALUE2(x,y) ={x,y}
 114 #else
 115 #  define VAR      extern
 116 #  define VALUE(x)
 117 #  define VALUE2(x,y)
 118 #endif /* _MAIN_C */
 119
 120
 121 /*
 122  * Other stuff for the scheduler...
 123  */
 124
 125 #include "statbuf.h"
 126 #include "cert.h"
 127 #include "auth.h"
 128 #include "client.h"
 129 #include "policy.h"
 130 #include "printers.h"
 131 #include "classes.h"
 132 #include "job.h"
 133 #include "conf.h"
 134 #include "banners.h"
 135 #include "dirsvc.h"
 136 #include "network.h"
 137 #include "subscriptions.h"
 138
 139
 140 /*
 141  * Reload types...
 142  */
 143
 144 #define RELOAD_NONE     0               /* No reload needed */
 145 #define RELOAD_ALL      1               /* Reload everything */
 146 #define RELOAD_CUPSD    2               /* Reload only cupsd.conf */
 147
 148
 149 /*
 150  * Globals...
 151  */
 152
 153 VAR int                 MaxFDs,         /* Maximum number of files */
 154                         SetSize;        /* The size of the input/output sets */
 155 VAR fd_set              *InputSet,      /* Input files for select() */
 156                         *OutputSet;     /* Output files for select() */
 157
 158 VAR time_t              ReloadTime      VALUE(0);
 159                                         /* Time of reload request... */
 160 VAR int                 NeedReload      VALUE(RELOAD_ALL);
 161                                         /* Need to load configuration? */
 162
 163
 164 /*
 165  * Prototypes...
 166  */
 167
 168 extern void     CatchChildSignals(void);
 169 extern void     ClearString(char **s);
 170 extern void     HoldSignals(void);
 171 extern void     IgnoreChildSignals(void);
 172 extern void     LoadPPDs(const char *d);
 173 extern void     ReleaseSignals(void);
 174 extern void     SetString(char **s, const char *v);
 175 extern void     SetStringf(char **s, const char *f, ...)
 176 #ifdef __GNUC__
 177 __attribute__ ((__format__ (__printf__, 2, 3)))
 178 #endif /* __GNUC__ */
 179 ;
 180 extern void     StartServer(void);
 181 extern void     StopServer(void);
 182 extern void     cupsdClosePipe(int *fds);
 183 extern int      cupsdOpenPipe(int *fds);
 184
 185 extern void     cupsdClearEnv(void);
 186 extern void     cupsdInitEnv(void);
 187 extern int      cupsdLoadEnv(char *envp[], int envmax);
 188 extern void     cupsdSetEnv(const char *name, const char *value);
 189 extern void     cupsdSetEnvf(const char *name, const char *value, ...)
 190 #ifdef __GNUC__
 191 __attribute__ ((__format__ (__printf__, 2, 3)))
 192 #endif /* __GNUC__ */
 193 ;
 194
 195 extern int      cupsdEndProcess(int pid, int force);
 196 extern int      cupsdStartProcess(const char *command, char *argv[],
 197                                   char *envp[], int infd, int outfd,
 198                                   int errfd, int backfd, int root, int *pid);
 199
 200
 201 /*
 202  * End of "$Id$".
 203  */