bsd/netat/pap.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  *
  24  * ORIGINS: 82
  25  *
  26  * (C) COPYRIGHT Apple Computer, Inc. 1992-1996
  27  * All Rights Reserved
  28  *
  29  */
  30
  31 /* Definitions for ATP protocol and streams module, per
  32  * AppleTalk Transaction Protocol documentation from
  33  * `Inside AppleTalk', July 14, 1986.
  34  */
  35
  36 #ifndef _NETAT_PAP_H_
  37 #define _NETAT_PAP_H_
  38
  39 #define  AT_PAP_DATA_SIZE             512    /* Maximum PAP data size */
  40 #define  AT_PAP_STATUS_SIZE           255    /* Maximum PAP status length */
  41 #define  PAP_TIMEOUT                  120
  42
  43 /* PAP packet types */
  44
  45 #define  AT_PAP_TYPE_OPEN_CONN        0x01   /* Open-Connection packet */
  46 #define  AT_PAP_TYPE_OPEN_CONN_REPLY  0x02   /* Open-Connection-Reply packet */
  47 #define  AT_PAP_TYPE_SEND_DATA        0x03   /* Send-Data packet */
  48 #define  AT_PAP_TYPE_DATA             0x04   /* Data packet */
  49 #define  AT_PAP_TYPE_TICKLE           0x05   /* Tickle packet */
  50 #define  AT_PAP_TYPE_CLOSE_CONN       0x06   /* Close-Connection packet */
  51 #define  AT_PAP_TYPE_CLOSE_CONN_REPLY 0x07   /* Close-Connection-Reply pkt */
  52 #define  AT_PAP_TYPE_SEND_STATUS      0x08   /* Send-Status packet */
  53 #define  AT_PAP_TYPE_SEND_STS_REPLY   0x09   /* Send-Status-Reply packet */
  54 #define  AT_PAP_TYPE_READ_LW          0x0A   /* Read LaserWriter Message */
  55
  56
  57 /* PAP packet structure */
  58
  59 typedef struct {
  60         u_char     at_pap_connection_id;
  61         u_char     at_pap_type;
  62         u_char     at_pap_sequence_number[2];
  63         u_char     at_pap_responding_socket;
  64         u_char     at_pap_flow_quantum;
  65         u_char     at_pap_wait_time_or_result[2];
  66         u_char     at_pap_buffer[AT_PAP_DATA_SIZE];
  67 } at_pap;
  68
  69
  70 /* ioctl definitions */
  71
  72 #define AT_PAP_SETHDR           (('~'<<8)|0)
  73 #define AT_PAP_READ             (('~'<<8)|1)
  74 #define AT_PAP_WRITE            (('~'<<8)|2)
  75 #define AT_PAP_WRITE_EOF        (('~'<<8)|3)
  76 #define AT_PAP_WRITE_FLUSH      (('~'<<8)|4)
  77 #define AT_PAP_READ_IGNORE      (('~'<<8)|5)
  78 #define AT_PAPD_SET_STATUS      (('~'<<8)|40)
  79 #define AT_PAPD_GET_NEXT_JOB    (('~'<<8)|41)
  80
  81 extern  char    at_pap_status[];
  82 extern  char   *pap_status ();
  83
  84 #define NPAPSERVERS     10      /* the number of active PAP servers/node */
  85 #define NPAPSESSIONS    40      /* the number of active PAP sockets/node */
  86
  87 #define AT_PAP_HDR_SIZE (DDP_X_HDR_SIZE + ATP_HDR_SIZE)
  88
  89 #define  ATP_DDP_HDR(c) ((at_ddp_t *)(c))
  90
  91 #define PAP_SOCKERR     "Unable to open PAP socket"
  92 #define P_NOEXIST       "Printer not found"
  93 #define P_UNREACH       "Unable to establish PAP session"
  94
  95 struct pap_state {
  96         u_char pap_inuse;       /* true if this one is allocated */
  97         u_char pap_tickle;      /* true if we are tickling the other end */
  98         u_char pap_request;     /* bitmap from a received request */
  99         u_char pap_eof;         /* true if we have received an EOF */
 100         u_char pap_eof_sent;    /* true if we have sent an EOF */
 101         u_char pap_sent;        /* true if we have sent anything (and
 102                                    therefore may have to send an eof
 103                                    on close) */
 104         u_char pap_error;       /* error message from read request */
 105         u_char pap_timer;       /* a timeout is pending */
 106         u_char pap_closing;     /* the link is closing and/or closed */
 107         u_char pap_request_count; /* number of outstanding requests */
 108         u_char pap_req_timer;   /* the request timer is running */
 109         u_char pap_ending;      /* we are waiting for atp to flush */
 110         u_char pap_read_ignore; /* we are in 'read with ignore' mode */
 111
 112         u_char pap_req_socket;
 113         at_inet_t pap_to;
 114         int pap_flow;
 115
 116         u_short pap_send_count; /* the sequence number to send on the
 117                                    next send data request */
 118         u_short pap_rcv_count;  /* the sequence number expected to
 119                                    receive on the next request */
 120         u_short pap_tid;        /* ATP transaction ID for responses */
 121         u_char  pap_connID;     /* our connection ID */
 122
 123         int pap_ignore_id;      /* the transaction ID for read ignore */
 124         int pap_tickle_id;      /* the transaction ID for tickles */
 125 };
 126
 127 #endif /* _NETAT_PAP_H_ */