usr/src/cmd/cmd-inet/usr.bin/talk/ctl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 1990 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 #pragma ident   "%Z%%M% %I%     %E% SMI"
  41
  42 /* ctl.h describes the structure that talk and talkd pass back
  43    and forth
  44  */
  45
  46 #include <sys/types.h>
  47 #include <sys/socket.h>
  48 #include <netinet/in.h>
  49 #include <netdb.h>
  50
  51 #define NAME_SIZE 9
  52 #define TTY_SIZE 16
  53 #define HOST_NAME_LENGTH 256
  54
  55 #define MAX_LIFE 60 /* maximum time an invitation is saved by the
  56                          talk daemons */
  57 #define RING_WAIT 30  /* time to wait before refreshing invitation
  58                          should be 10's of seconds less than MAX_LIFE */
  59
  60     /* the values for type */
  61
  62 #define LEAVE_INVITE 0
  63 #define LOOK_UP 1
  64 #define DELETE 2
  65 #define ANNOUNCE 3
  66
  67     /* the values for answer */
  68
  69 #define SUCCESS 0
  70 #define NOT_HERE 1
  71 #define FAILED 2
  72 #define MACHINE_UNKNOWN 3
  73 #define PERMISSION_DENIED 4
  74 #define UNKNOWN_REQUEST 5
  75
  76 typedef struct ctl_response CTL_RESPONSE;
  77
  78 struct ctl_response {
  79     char type;
  80     char answer;
  81     int id_num;
  82     struct sockaddr_in addr;
  83 };
  84
  85 typedef struct ctl_msg CTL_MSG;
  86
  87 struct ctl_msg {
  88     char type;
  89     char l_name[NAME_SIZE];
  90     char r_name[NAME_SIZE];
  91     int id_num;
  92     pid_t pid;
  93     char r_tty[TTY_SIZE];
  94     struct sockaddr_in addr;
  95     struct sockaddr_in ctl_addr;
  96 };