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Annotation of kernel/bsd/netat/at/at_pap.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  *
                     27:  * ORIGINS: 82
                     28:  *
                     29:  * APPLE CONFIDENTIAL
                     30:  * (C) COPYRIGHT Apple Computer, Inc. 1992-1996
                     31:  * All Rights Reserved
                     32:  *
                     33:  */                                                                   
                     34: 
                     35: #define        NPAPSERVERS     10      /* the number of active PAP servers/node */
                     36: #define        NPAPSESSIONS    40      /* the number of active PAP sockets/node */
                     37: 
                     38: #define AT_PAP_HDR_SIZE        (DDP_X_HDR_SIZE + ATP_HDR_SIZE)
                     39: 
                     40: #define         ATP_DDP_HDR(c) ((at_ddp_t *)(c))
                     41: 
                     42: #define PAP_SOCKERR    "Unable to open PAP socket"
                     43: #define P_NOEXIST      "Printer not found"
                     44: #define P_UNREACH      "Unable to establish PAP session"
                     45: 
                     46: struct pap_state {
                     47:        unsigned char pap_inuse; /* true if this one is allocated */
                     48:        unsigned char pap_tickle; /* true if we are tickling the other
                     49:                                     end */
                     50:        unsigned char pap_request; /* bitmap from a received request */
                     51:        unsigned char pap_eof;  /* true if we have received an EOF */
                     52:        unsigned char pap_eof_sent; /* true if we have sent an EOF */
                     53:        unsigned char pap_sent; /* true if we have sent anything (and
                     54:                                   therefore may have to send an eof
                     55:                                   on close) */
                     56:        unsigned char pap_error; /* error message from read request */
                     57:        unsigned char pap_timer; /* a timeout is pending */
                     58:        unsigned char pap_closing; /* the link is closing and/or closed */
                     59:        unsigned char pap_request_count; /* number of outstanding requests */
                     60:        unsigned char pap_req_timer; /* the request timer is running */
                     61:        unsigned char pap_ending; /* we are waiting for atp to flush */
                     62:        unsigned char pap_read_ignore; /* we are in 'read with ignore' mode */
                     63: 
                     64:        at_socket     pap_req_socket;
                     65:        at_socket     pap_to_socket;
                     66:        at_node       pap_to_node;
                     67:        at_net        pap_to_net;
                     68:        int           pap_flow;
                     69: 
                     70:        unsigned short pap_send_count; /* the sequence number to send on the
                     71:                                          next send data request */
                     72:        unsigned short pap_rcv_count; /* the sequence number expected to
                     73:                                         receive on the next request */
                     74:        unsigned short pap_tid; /* ATP transaction ID for responses */
                     75:        unsigned char  pap_connID; /* our connection ID */
                     76: 
                     77:        int pap_ignore_id;      /* the transaction ID for read ignore */
                     78:        int pap_tickle_id;      /* the transaction ID for tickles */
                     79: };

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