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