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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _LISTEN_H
#define _LISTEN_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* listen.h: Include file for network listener related user programs
*
*/
/*
* The NLPS (Network Listener Process Service)
* protocol message sent by client machines to
* a listener process to request a service on the listener's
* machine. The message is sent to "netnodename(r_nodename)"
* where r_nodename is the nodename (see uname(2)) of the
* remote host. Note that client's need not know (or care)
* about the details of this message. They use the "nls_connect(3)"
* library routine which uses this message.
*
* msg format:
*
* "id:low:high:service_code"
*
* id = "NLPS"
* low:high = version number of listener (see prot msg)
* service_code is ASCII/decimal
*
* the following prot string can be run through sprintf with a service code
* to generate the message:
*
* len = sprintf(buf,nls_prot_msg,svc_code);
* t_snd(fd, buf, len, ...);
*
* See also: listen(1), nlsrequest(3)
*
* and on the UNIX PC STARLAN NETWORK:
* See also: nlsname(3), nlsconnect(3), nlsestablish(3)
*/
/*
* defines for compatability purposes
*/
#define nls_prot_msg nls_v0_d
#define nls_v2_msg nls_v2_s
static char *nls_v0_d = "NLPS:000:001:%d";
static char *nls_v0_s = "NLPS:000:001:%s";
static char *nls_v2_d = "NLPS:002:002:%d";
static char *nls_v2_s = "NLPS:002:002:%s";
#define NLSSTART 0
#define NLSFORMAT 2
#define NLSUNKNOWN 3
#define NLSDISABLED 4
#define SVC_CODE_SZ 14
/*
* Structure for handling multiple connection requests on the same stream.
*/
struct callsave {
struct t_call *c_cp;
struct callsave *c_np;
};
struct call_list {
struct callsave *cl_head;
struct callsave *cl_tail;
};
#define EMPTYLIST(p) (p->cl_head == (struct callsave *)NULL)
/*
* Ridiculously high value for maximum number of connects per stream.
* Transport Provider will determine actual maximum to be used.
*/
#define MAXCON 100
/*
* these are names of environment variables that the listener
* adds to the servers environment before the exec(2).
*
* the variables should be accessed via library routines.
*
* see nlsgetcall(3NSL) and nlsprovider(3NSL).
*/
#define NLSADDR "NLSADDR"
#define NLSOPT "NLSOPT"
#define NLSUDATA "NLSUDATA"
#define NLSPROVIDER "NLSPROVIDER"
/*
* the following variables can be accessed "normally"
*/
#define HOME "HOME"
#define PATH "PATH"
#ifdef __cplusplus
}
#endif
#endif /* _LISTEN_H */
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