cups/ipp.h

   1 /*
   2  * "$Id: ipp.h 6879 2007-08-29 20:26:50Z mike $"
   3  *
   4  *   Internet Printing Protocol definitions for the Common UNIX Printing
   5  *   System (CUPS).
   6  *
   7  *   Copyright 2007 by Apple Inc.
   8  *   Copyright 1997-2006 by Easy Software Products.
   9  *
  10  *   These coded instructions, statements, and computer programs are the
  11  *   property of Apple Inc. and are protected by Federal copyright
  12  *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
  13  *   which should have been included with this file.  If this file is
  14  *   file is missing or damaged, see the license at "http://www.cups.org/".
  15  *
  16  *   This file is subject to the Apple OS-Developed Software exception.
  17  */
  18
  19 #ifndef _CUPS_IPP_H_
  20 #  define _CUPS_IPP_H_
  21
  22 /*
  23  * Include necessary headers...
  24  */
  25
  26 #  include "http.h"
  27
  28
  29 /*
  30  * C++ magic...
  31  */
  32
  33 #  ifdef __cplusplus
  34 extern "C" {
  35 #  endif /* __cplusplus */
  36
  37
  38 /*
  39  * IPP version string...
  40  */
  41
  42 #  define IPP_VERSION           "\001\001"
  43
  44 /*
  45  * IPP registered port number...
  46  *
  47  * Note: Applications should never use IPP_PORT, but instead use the
  48  * ippPort() function to allow overrides via the IPP_PORT environment
  49  * variable and services file if needed!
  50  */
  51
  52 #  define IPP_PORT              631
  53
  54 /*
  55  * Common limits...
  56  */
  57
  58 #  define IPP_MAX_LENGTH        32767   /* Maximum size of any single value */
  59 #  define IPP_MAX_NAME          256     /* Maximum length of common name values */
  60 #  define IPP_MAX_VALUES        8       /* Power-of-2 allocation increment */
  61
  62
  63 /*
  64  * Types and structures...
  65  */
  66
  67 typedef enum ipp_tag_e                  /**** Format tags for attributes... ****/
  68 {
  69   IPP_TAG_ZERO = 0x00,                  /* Zero tag - used for separators */
  70   IPP_TAG_OPERATION,                    /* Operation group */
  71   IPP_TAG_JOB,                          /* Job group */
  72   IPP_TAG_END,                          /* End-of-attributes */
  73   IPP_TAG_PRINTER,                      /* Printer group */
  74   IPP_TAG_UNSUPPORTED_GROUP,            /* Unsupported attributes group */
  75   IPP_TAG_SUBSCRIPTION,                 /* Subscription group */
  76   IPP_TAG_EVENT_NOTIFICATION,           /* Event group */
  77   IPP_TAG_UNSUPPORTED_VALUE = 0x10,     /* Unsupported value */
  78   IPP_TAG_DEFAULT,                      /* Default value */
  79   IPP_TAG_UNKNOWN,                      /* Unknown value */
  80   IPP_TAG_NOVALUE,                      /* No-value value */
  81   IPP_TAG_NOTSETTABLE = 0x15,           /* Not-settable value */
  82   IPP_TAG_DELETEATTR,                   /* Delete-attribute value */
  83   IPP_TAG_ADMINDEFINE,                  /* Admin-defined value */
  84   IPP_TAG_INTEGER = 0x21,               /* Integer value */
  85   IPP_TAG_BOOLEAN,                      /* Boolean value */
  86   IPP_TAG_ENUM,                         /* Enumeration value */
  87   IPP_TAG_STRING = 0x30,                /* Octet string value */
  88   IPP_TAG_DATE,                         /* Date/time value */
  89   IPP_TAG_RESOLUTION,                   /* Resolution value */
  90   IPP_TAG_RANGE,                        /* Range value */
  91   IPP_TAG_BEGIN_COLLECTION,             /* Beginning of collection value */
  92   IPP_TAG_TEXTLANG,                     /* Text-with-language value */
  93   IPP_TAG_NAMELANG,                     /* Name-with-language value */
  94   IPP_TAG_END_COLLECTION,               /* End of collection value */
  95   IPP_TAG_TEXT = 0x41,                  /* Text value */
  96   IPP_TAG_NAME,                         /* Name value */
  97   IPP_TAG_KEYWORD = 0x44,               /* Keyword value */
  98   IPP_TAG_URI,                          /* URI value */
  99   IPP_TAG_URISCHEME,                    /* URI scheme value */
 100   IPP_TAG_CHARSET,                      /* Character set value */
 101   IPP_TAG_LANGUAGE,                     /* Language value */
 102   IPP_TAG_MIMETYPE,                     /* MIME media type value */
 103   IPP_TAG_MEMBERNAME,                   /* Collection member name value */
 104   IPP_TAG_MASK = 0x7fffffff,            /* Mask for copied attribute values */
 105   IPP_TAG_COPY = -0x7fffffff-1          /* Bitflag for copied attribute values */
 106 } ipp_tag_t;
 107
 108 typedef enum ipp_res_e                  /**** Resolution units... ****/
 109 {
 110   IPP_RES_PER_INCH = 3,                 /* Pixels per inch */
 111   IPP_RES_PER_CM                        /* Pixels per centimeter */
 112 } ipp_res_t;
 113
 114 typedef enum ipp_finish_e               /**** Finishings... ****/
 115 {
 116   IPP_FINISHINGS_NONE = 3,              /* No finishing */
 117   IPP_FINISHINGS_STAPLE,                /* Staple (any location) */
 118   IPP_FINISHINGS_PUNCH,                 /* Punch (any location/count) */
 119   IPP_FINISHINGS_COVER,                 /* Add cover */
 120   IPP_FINISHINGS_BIND,                  /* Bind */
 121   IPP_FINISHINGS_SADDLE_STITCH,         /* Staple interior */
 122   IPP_FINISHINGS_EDGE_STITCH,           /* Stitch along any side */
 123   IPP_FINISHINGS_FOLD,                  /* Fold (any type) */
 124   IPP_FINISHINGS_TRIM,                  /* Trim (any type) */
 125   IPP_FINISHINGS_BALE,                  /* Bale (any type) */
 126   IPP_FINISHINGS_BOOKLET_MAKER,         /* Fold to make booklet */
 127   IPP_FINISHINGS_JOB_OFFSET,            /* Offset for binding (any type) */
 128   IPP_FINISHINGS_STAPLE_TOP_LEFT = 20,  /* Staple top left corner */
 129   IPP_FINISHINGS_STAPLE_BOTTOM_LEFT,    /* Staple bottom left corner */
 130   IPP_FINISHINGS_STAPLE_TOP_RIGHT,      /* Staple top right corner */
 131   IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT,   /* Staple bottom right corner */
 132   IPP_FINISHINGS_EDGE_STITCH_LEFT,      /* Stitch along left side */
 133   IPP_FINISHINGS_EDGE_STITCH_TOP,       /* Stitch along top edge */
 134   IPP_FINISHINGS_EDGE_STITCH_RIGHT,     /* Stitch along right side */
 135   IPP_FINISHINGS_EDGE_STITCH_BOTTOM,    /* Stitch along bottom edge */
 136   IPP_FINISHINGS_STAPLE_DUAL_LEFT,      /* Two staples on left */
 137   IPP_FINISHINGS_STAPLE_DUAL_TOP,       /* Two staples on top */
 138   IPP_FINISHINGS_STAPLE_DUAL_RIGHT,     /* Two staples on right */
 139   IPP_FINISHINGS_STAPLE_DUAL_BOTTOM,    /* Two staples on bottom */
 140   IPP_FINISHINGS_BIND_LEFT = 50,        /* Bind on left */
 141   IPP_FINISHINGS_BIND_TOP,              /* Bind on top */
 142   IPP_FINISHINGS_BIND_RIGHT,            /* Bind on right */
 143   IPP_FINISHINGS_BIND_BOTTOM            /* Bind on bottom */
 144 } ipp_finish_t;
 145
 146 typedef enum ipp_orient_e               /**** Orientation... ****/
 147 {
 148   IPP_PORTRAIT = 3,                     /* No rotation */
 149   IPP_LANDSCAPE,                        /* 90 degrees counter-clockwise */
 150   IPP_REVERSE_LANDSCAPE,                /* 90 degrees clockwise */
 151   IPP_REVERSE_PORTRAIT                  /* 180 degrees */
 152 } ipp_orient_t;
 153
 154 typedef enum ipp_quality_e              /**** Qualities... ****/
 155 {
 156   IPP_QUALITY_DRAFT = 3,                /* Draft quality */
 157   IPP_QUALITY_NORMAL,                   /* Normal quality */
 158   IPP_QUALITY_HIGH                      /* High quality */
 159 } ipp_quality_t;
 160
 161 typedef enum ipp_jstate_e               /**** Job States.... */
 162 {
 163   IPP_JOB_PENDING = 3,                  /* Job is waiting to be printed */
 164   IPP_JOB_HELD,                         /* Job is held for printing */
 165   IPP_JOB_PROCESSING,                   /* Job is currently printing */
 166   IPP_JOB_STOPPED,                      /* Job has been stopped */
 167   IPP_JOB_CANCELED,                     /* Job has been canceled */
 168   IPP_JOB_ABORTED,                      /* Job has aborted due to error */
 169   IPP_JOB_COMPLETED                     /* Job has completed successfully */
 170 } ipp_jstate_t;
 171 #define IPP_JOB_CANCELLED IPP_JOB_CANCELED
 172
 173 typedef enum ipp_pstate_e               /**** Printer States.... */
 174 {
 175   IPP_PRINTER_IDLE = 3,                 /* Printer is idle */
 176   IPP_PRINTER_PROCESSING,               /* Printer is working */
 177   IPP_PRINTER_STOPPED                   /* Printer is stopped */
 178 } ipp_pstate_t;
 179
 180 typedef enum ipp_state_e                /**** IPP states... ****/
 181 {
 182   IPP_ERROR = -1,                       /* An error occurred */
 183   IPP_IDLE,                             /* Nothing is happening/request completed */
 184   IPP_HEADER,                           /* The request header needs to be sent/received */
 185   IPP_ATTRIBUTE,                        /* One or more attributes need to be sent/received */
 186   IPP_DATA                              /* IPP request data needs to be sent/received */
 187 } ipp_state_t;
 188
 189 typedef enum ipp_op_e                   /**** IPP operations... ****/
 190 {
 191   IPP_PRINT_JOB = 0x0002,               /* Print a single file */
 192   IPP_PRINT_URI,                        /* Print a single URL @private@ */
 193   IPP_VALIDATE_JOB,                     /* Validate job options */
 194   IPP_CREATE_JOB,                       /* Create an empty print job */
 195   IPP_SEND_DOCUMENT,                    /* Add a file to a job */
 196   IPP_SEND_URI,                         /* Add a URL to a job @private@ */
 197   IPP_CANCEL_JOB,                       /* Cancel a job */
 198   IPP_GET_JOB_ATTRIBUTES,               /* Get job attributes */
 199   IPP_GET_JOBS,                         /* Get a list of jobs */
 200   IPP_GET_PRINTER_ATTRIBUTES,           /* Get printer attributes */
 201   IPP_HOLD_JOB,                         /* Hold a job for printing */
 202   IPP_RELEASE_JOB,                      /* Release a job for printing */
 203   IPP_RESTART_JOB,                      /* Reprint a job */
 204   IPP_PAUSE_PRINTER = 0x0010,           /* Stop a printer */
 205   IPP_RESUME_PRINTER,                   /* Start a printer */
 206   IPP_PURGE_JOBS,                       /* Cancel all jobs */
 207   IPP_SET_PRINTER_ATTRIBUTES,           /* Set printer attributes @private@ */
 208   IPP_SET_JOB_ATTRIBUTES,               /* Set job attributes */
 209   IPP_GET_PRINTER_SUPPORTED_VALUES,     /* Get supported attribute values */
 210   IPP_CREATE_PRINTER_SUBSCRIPTION,      /* Create a printer subscription @since CUPS 1.2@ */
 211   IPP_CREATE_JOB_SUBSCRIPTION,          /* Create a job subscription @since CUPS 1.2@ */
 212   IPP_GET_SUBSCRIPTION_ATTRIBUTES,      /* Get subscription attributes @since CUPS 1.2@ */
 213   IPP_GET_SUBSCRIPTIONS,                /* Get list of subscriptions @since CUPS 1.2@ */
 214   IPP_RENEW_SUBSCRIPTION,               /* Renew a printer subscription @since CUPS 1.2@ */
 215   IPP_CANCEL_SUBSCRIPTION,              /* Cancel a subscription @since CUPS 1.2@ */
 216   IPP_GET_NOTIFICATIONS,                /* Get notification events @since CUPS 1.2@ */
 217   IPP_SEND_NOTIFICATIONS,               /* Send notification events @private@ */
 218   IPP_GET_PRINT_SUPPORT_FILES = 0x0021, /* Get printer support files @private@ */
 219   IPP_ENABLE_PRINTER,                   /* Start a printer */
 220   IPP_DISABLE_PRINTER,                  /* Stop a printer */
 221   IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB,  /* Stop printer after the current job @private@ */
 222   IPP_HOLD_NEW_JOBS,                    /* Hold new jobs @private@ */
 223   IPP_RELEASE_HELD_NEW_JOBS,            /* Release new jobs @private@ */
 224   IPP_DEACTIVATE_PRINTER,               /* Stop a printer @private@ */
 225   IPP_ACTIVATE_PRINTER,                 /* Start a printer @private@ */
 226   IPP_RESTART_PRINTER,                  /* Restart a printer @private@ */
 227   IPP_SHUTDOWN_PRINTER,                 /* Turn a printer off @private@ */
 228   IPP_STARTUP_PRINTER,                  /* Turn a printer on @private@ */
 229   IPP_REPROCESS_JOB,                    /* Reprint a job @private@ */
 230   IPP_CANCEL_CURRENT_JOB,               /* Cancel the current job @private@ */
 231   IPP_SUSPEND_CURRENT_JOB,              /* Suspend the current job @private@ */
 232   IPP_RESUME_JOB,                       /* Resume the current job @private@ */
 233   IPP_PROMOTE_JOB,                      /* Promote a job to print sooner @private@ */
 234   IPP_SCHEDULE_JOB_AFTER,               /* Schedule a job to print after another @private@ */
 235   IPP_PRIVATE = 0x4000,                 /* Reserved @private@ */
 236   CUPS_GET_DEFAULT,                     /* Get the default printer */
 237   CUPS_GET_PRINTERS,                    /* Get a list of printers and/or classes */
 238   CUPS_ADD_MODIFY_PRINTER,              /* Add or modify a printer */
 239   CUPS_DELETE_PRINTER,                  /* Delete a printer */
 240   CUPS_GET_CLASSES,                     /* Get a list of classes @deprecated@ */
 241   CUPS_ADD_MODIFY_CLASS,                /* Add or modify a class */
 242   CUPS_DELETE_CLASS,                    /* Delete a class */
 243   CUPS_ACCEPT_JOBS,                     /* Accept new jobs on a printer */
 244   CUPS_REJECT_JOBS,                     /* Reject new jobs on a printer */
 245   CUPS_SET_DEFAULT,                     /* Set the default printer */
 246   CUPS_GET_DEVICES,                     /* Get a list of supported devices */
 247   CUPS_GET_PPDS,                        /* Get a list of supported drivers */
 248   CUPS_MOVE_JOB,                        /* Move a job to a different printer */
 249   CUPS_AUTHENTICATE_JOB,                /* Authenticate a job @since CUPS 1.2@ */
 250   CUPS_GET_PPD,                         /* Get a PPD file @since CUPS 1.3@ */
 251   CUPS_GET_DOCUMENT = 0x4027            /* Get a document file @since CUPS 1.4@ */
 252 } ipp_op_t;
 253
 254 /* Old names for the operations */
 255 #define CUPS_ADD_PRINTER        CUPS_ADD_MODIFY_PRINTER
 256 #define CUPS_ADD_CLASS          CUPS_ADD_MODIFY_CLASS
 257
 258 typedef enum ipp_status_e               /**** IPP status codes... ****/
 259 {
 260   IPP_OK = 0x0000,                      /* successful-ok */
 261   IPP_OK_SUBST,                         /* successful-ok-ignored-or-substituted-attributes */
 262   IPP_OK_CONFLICT,                      /* successful-ok-conflicting-attributes */
 263   IPP_OK_IGNORED_SUBSCRIPTIONS,         /* successful-ok-ignored-subscriptions */
 264   IPP_OK_IGNORED_NOTIFICATIONS,         /* successful-ok-ignored-notifications */
 265   IPP_OK_TOO_MANY_EVENTS,               /* successful-ok-too-many-events */
 266   IPP_OK_BUT_CANCEL_SUBSCRIPTION,       /* successful-ok-but-cancel-subscription */
 267   IPP_OK_EVENTS_COMPLETE,               /* successful-ok-events-complete */
 268   IPP_REDIRECTION_OTHER_SITE = 0x200,   /*  */
 269   CUPS_SEE_OTHER = 0x280,               /* cups-see-other */
 270   IPP_BAD_REQUEST = 0x0400,             /* client-error-bad-request */
 271   IPP_FORBIDDEN,                        /* client-error-forbidden */
 272   IPP_NOT_AUTHENTICATED,                /* client-error-not-authenticated */
 273   IPP_NOT_AUTHORIZED,                   /* client-error-not-authorized */
 274   IPP_NOT_POSSIBLE,                     /* client-error-not-possible */
 275   IPP_TIMEOUT,                          /* client-error-timeout */
 276   IPP_NOT_FOUND,                        /* client-error-not-found */
 277   IPP_GONE,                             /* client-error-gone */
 278   IPP_REQUEST_ENTITY,                   /* client-error-request-entity-too-large */
 279   IPP_REQUEST_VALUE,                    /* client-error-request-value-too-long */
 280   IPP_DOCUMENT_FORMAT,                  /* client-error-document-format-not-supported */
 281   IPP_ATTRIBUTES,                       /* client-error-attributes-or-values-not-supported */
 282   IPP_URI_SCHEME,                       /* client-error-uri-scheme-not-supported */
 283   IPP_CHARSET,                          /* client-error-charset-not-supported */
 284   IPP_CONFLICT,                         /* client-error-conflicting-attributes */
 285   IPP_COMPRESSION_NOT_SUPPORTED,        /* client-error-compression-not-supported */
 286   IPP_COMPRESSION_ERROR,                /* client-error-compression-error */
 287   IPP_DOCUMENT_FORMAT_ERROR,            /* client-error-document-format-error */
 288   IPP_DOCUMENT_ACCESS_ERROR,            /* client-error-document-access-error */
 289   IPP_ATTRIBUTES_NOT_SETTABLE,          /* client-error-attributes-not-settable */
 290   IPP_IGNORED_ALL_SUBSCRIPTIONS,        /* client-error-ignored-all-subscriptions */
 291   IPP_TOO_MANY_SUBSCRIPTIONS,           /* client-error-too-many-subscriptions */
 292   IPP_IGNORED_ALL_NOTIFICATIONS,        /* client-error-ignored-all-notifications */
 293   IPP_PRINT_SUPPORT_FILE_NOT_FOUND,     /* client-error-print-support-file-not-found */
 294
 295   IPP_INTERNAL_ERROR = 0x0500,          /* server-error-internal-error */
 296   IPP_OPERATION_NOT_SUPPORTED,          /* server-error-operation-not-supported */
 297   IPP_SERVICE_UNAVAILABLE,              /* server-error-service-unavailable */
 298   IPP_VERSION_NOT_SUPPORTED,            /* server-error-version-not-supported */
 299   IPP_DEVICE_ERROR,                     /* server-error-device-error */
 300   IPP_TEMPORARY_ERROR,                  /* server-error-temporary-error */
 301   IPP_NOT_ACCEPTING,                    /* server-error-not-accepting-jobs */
 302   IPP_PRINTER_BUSY,                     /* server-error-busy */
 303   IPP_ERROR_JOB_CANCELED,               /* server-error-job-canceled */
 304   IPP_MULTIPLE_JOBS_NOT_SUPPORTED,      /* server-error-multiple-document-jobs-not-supported */
 305   IPP_PRINTER_IS_DEACTIVATED            /* server-error-printer-is-deactivated */
 306 } ipp_status_t;
 307 #define IPP_ERROR_JOB_CANCELLED IPP_ERROR_JOB_CANCELED
 308
 309 typedef unsigned char ipp_uchar_t;      /**** Unsigned 8-bit integer/character ****/
 310
 311 /**** New in CUPS 1.2 ****/
 312 typedef ssize_t (*ipp_iocb_t)(void *, ipp_uchar_t *, size_t);
 313                                         /**** IPP IO Callback Function @since CUPS 1.2@ ****/
 314
 315 typedef union ipp_request_u             /**** Request Header ****/
 316 {
 317   struct                                /* Any Header */
 318   {
 319     ipp_uchar_t version[2];             /* Protocol version number */
 320     int         op_status;              /* Operation ID or status code*/
 321     int         request_id;             /* Request ID */
 322   }             any;
 323
 324   struct                                /* Operation Header */
 325   {
 326     ipp_uchar_t version[2];             /* Protocol version number */
 327     ipp_op_t    operation_id;           /* Operation ID */
 328     int         request_id;             /* Request ID */
 329   }             op;
 330
 331   struct                                /* Status Header */
 332   {
 333     ipp_uchar_t version[2];             /* Protocol version number */
 334     ipp_status_t status_code;           /* Status code */
 335     int         request_id;             /* Request ID */
 336   }             status;
 337
 338   /**** New in CUPS 1.1.19 ****/
 339   struct                                /* Event Header */
 340   {
 341     ipp_uchar_t version[2];             /* Protocol version number */
 342     ipp_status_t status_code;           /* Status code */
 343     int         request_id;             /* Request ID */
 344   }             event;
 345 } ipp_request_t;
 346
 347 /**** New in CUPS 1.1.19 ****/
 348 typedef struct ipp_s ipp_t;
 349
 350 typedef union ipp_value_u               /**** Attribute Value ****/
 351 {
 352   int           integer;                /* Integer/enumerated value */
 353
 354   char          boolean;                /* Boolean value */
 355
 356   ipp_uchar_t   date[11];               /* Date/time value */
 357
 358   struct
 359   {
 360     int         xres,                   /* Horizontal resolution */
 361                 yres;                   /* Vertical resolution */
 362     ipp_res_t   units;                  /* Resolution units */
 363   }             resolution;             /* Resolution value */
 364
 365   struct
 366   {
 367     int         lower,                  /* Lower value */
 368                 upper;                  /* Upper value */
 369   }             range;                  /* Range of integers value */
 370
 371   struct
 372   {
 373     char        *charset;               /* Character set */
 374     char        *text;                  /* String */
 375   }             string;                 /* String with language value */
 376
 377   struct
 378   {
 379     int         length;                 /* Length of attribute */
 380     void        *data;                  /* Data in attribute */
 381   }             unknown;                /* Unknown attribute type */
 382
 383 /**** New in CUPS 1.1.19 ****/
 384   ipp_t         *collection;            /* Collection value */
 385 } ipp_value_t;
 386
 387 typedef struct ipp_attribute_s          /**** Attribute ****/
 388 {
 389   struct ipp_attribute_s *next;         /* Next attribute in list */
 390   ipp_tag_t     group_tag,              /* Job/Printer/Operation group tag */
 391                 value_tag;              /* What type of value is it? */
 392   char          *name;                  /* Name of attribute */
 393   int           num_values;             /* Number of values */
 394   ipp_value_t   values[1];              /* Values */
 395 } ipp_attribute_t;
 396
 397 struct ipp_s                            /**** IPP Request/Response/Notification ****/
 398 {
 399   ipp_state_t   state;                  /* State of request */
 400   ipp_request_t request;                /* Request header */
 401   ipp_attribute_t *attrs;               /* Attributes */
 402   ipp_attribute_t *last;                /* Last attribute in list */
 403   ipp_attribute_t *current;             /* Current attribute (for read/write) */
 404   ipp_tag_t     curtag;                 /* Current attribute group tag */
 405
 406 /**** New in CUPS 1.2 ****/
 407   ipp_attribute_t *prev;                /* Previous attribute (for read) */
 408 };
 409
 410
 411 /*
 412  * Prototypes...
 413  */
 414
 415 extern ipp_attribute_t  *ippAddBoolean(ipp_t *ipp, ipp_tag_t group,
 416                                        const char *name, char value);
 417 extern ipp_attribute_t  *ippAddBooleans(ipp_t *ipp, ipp_tag_t group,
 418                                         const char *name, int num_values,
 419                                         const char *values);
 420 extern ipp_attribute_t  *ippAddDate(ipp_t *ipp, ipp_tag_t group,
 421                                     const char *name, const ipp_uchar_t *value);
 422 extern ipp_attribute_t  *ippAddInteger(ipp_t *ipp, ipp_tag_t group,
 423                                        ipp_tag_t type, const char *name,
 424                                        int value);
 425 extern ipp_attribute_t  *ippAddIntegers(ipp_t *ipp, ipp_tag_t group,
 426                                         ipp_tag_t type, const char *name,
 427                                         int num_values, const int *values);
 428 extern ipp_attribute_t  *ippAddRange(ipp_t *ipp, ipp_tag_t group,
 429                                      const char *name, int lower, int upper);
 430 extern ipp_attribute_t  *ippAddRanges(ipp_t *ipp, ipp_tag_t group,
 431                                       const char *name, int num_values,
 432                                       const int *lower, const int *upper);
 433 extern ipp_attribute_t  *ippAddResolution(ipp_t *ipp, ipp_tag_t group,
 434                                           const char *name, ipp_res_t units,
 435                                           int xres, int yres);
 436 extern ipp_attribute_t  *ippAddResolutions(ipp_t *ipp, ipp_tag_t group,
 437                                            const char *name, int num_values,
 438                                            ipp_res_t units, const int *xres,
 439                                            const int *yres);
 440 extern ipp_attribute_t  *ippAddSeparator(ipp_t *ipp);
 441 extern ipp_attribute_t  *ippAddString(ipp_t *ipp, ipp_tag_t group,
 442                                       ipp_tag_t type, const char *name,
 443                                       const char *charset, const char *value);
 444 extern ipp_attribute_t  *ippAddStrings(ipp_t *ipp, ipp_tag_t group,
 445                                        ipp_tag_t type, const char *name,
 446                                        int num_values, const char *charset,
 447                                        const char * const *values);
 448 extern time_t           ippDateToTime(const ipp_uchar_t *date);
 449 extern void             ippDelete(ipp_t *ipp);
 450 extern const char       *ippErrorString(ipp_status_t error);
 451 extern ipp_attribute_t  *ippFindAttribute(ipp_t *ipp, const char *name,
 452                                           ipp_tag_t type);
 453 extern ipp_attribute_t  *ippFindNextAttribute(ipp_t *ipp, const char *name,
 454                                               ipp_tag_t type);
 455 extern size_t           ippLength(ipp_t *ipp);
 456 extern ipp_t            *ippNew(void);
 457 extern ipp_state_t      ippRead(http_t *http, ipp_t *ipp);
 458 extern const ipp_uchar_t *ippTimeToDate(time_t t);
 459 extern ipp_state_t      ippWrite(http_t *http, ipp_t *ipp);
 460 extern int              ippPort(void);
 461 extern void             ippSetPort(int p);
 462
 463 /**** New in CUPS 1.1.19 ****/
 464 extern ipp_attribute_t  *ippAddCollection(ipp_t *ipp, ipp_tag_t group,
 465                                           const char *name, ipp_t *value) _CUPS_API_1_1_19;
 466 extern ipp_attribute_t  *ippAddCollections(ipp_t *ipp, ipp_tag_t group,
 467                                            const char *name, int num_values,
 468                                            const ipp_t **values) _CUPS_API_1_1_19;
 469 extern void             ippDeleteAttribute(ipp_t *ipp, ipp_attribute_t *attr) _CUPS_API_1_1_19;
 470 extern ipp_state_t      ippReadFile(int fd, ipp_t *ipp) _CUPS_API_1_1_19;
 471 extern ipp_state_t      ippWriteFile(int fd, ipp_t *ipp) _CUPS_API_1_1_19;
 472
 473 /**** New in CUPS 1.2 ****/
 474 extern ipp_attribute_t  *ippAddOctetString(ipp_t *ipp, ipp_tag_t group,
 475                                            const char *name,
 476                                            const void *data, int datalen) _CUPS_API_1_2;
 477 extern ipp_status_t     ippErrorValue(const char *name) _CUPS_API_1_2;
 478 extern ipp_t            *ippNewRequest(ipp_op_t op) _CUPS_API_1_2;
 479 extern const char       *ippOpString(ipp_op_t op) _CUPS_API_1_2;
 480 extern ipp_op_t         ippOpValue(const char *name) _CUPS_API_1_2;
 481 extern ipp_state_t      ippReadIO(void *src, ipp_iocb_t cb, int blocking,
 482                                   ipp_t *parent, ipp_t *ipp) _CUPS_API_1_2;
 483 extern ipp_state_t      ippWriteIO(void *dst, ipp_iocb_t cb, int blocking,
 484                                    ipp_t *parent, ipp_t *ipp) _CUPS_API_1_2;
 485
 486
 487 /*
 488  * C++ magic...
 489  */
 490
 491 #  ifdef __cplusplus
 492 }
 493 #  endif /* __cplusplus */
 494 #endif /* !_CUPS_IPP_H_ */
 495
 496 /*
 497  * End of "$Id: ipp.h 6879 2007-08-29 20:26:50Z mike $".
 498  */