[unix-history] / usr / src / old / talk / common_source / ctl.h

/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*      @(#)ctl.h       5.1 (Berkeley) 6/6/85
*/

/*
* ctl.h describes the structure that
* talk and talkd pass back and forth.
*/

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#define NAME_SIZE       9
#define TTY_SIZE        16
#define HOST_NAME_LENGTH 256

#define MAX_LIFE        60      /* max time daemon saves invitations */
/* RING_WAIT should be 10's of seconds less than MAX_LIFE */
#define RING_WAIT       30      /* time to wait before refreshing invitation */

/* type values */
#define LEAVE_INVITE    0
#define LOOK_UP         1
#define DELETE          2
#define ANNOUNCE        3

/* answer values */
#define SUCCESS         0
#define NOT_HERE        1
#define FAILED          2
#define MACHINE_UNKNOWN 3
#define PERMISSION_DENIED 4
#define UNKNOWN_REQUEST 5

typedef struct ctl_response {
       char    type;
       char    answer;
       int     id_num;
       struct  sockaddr_in addr;
} CTL_RESPONSE;

typedef struct ctl_msg {
       char    type;
       char    l_name[NAME_SIZE];
       char    r_name[NAME_SIZE];
       int     id_num;
       int     pid;
       char    r_tty[TTY_SIZE];
       struct  sockaddr_in addr;
       struct  sockaddr_in ctl_addr;
} CTL_MSG;