cmd/rpcsvc/rstat_main.c

	rstat_main.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * 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) 1991-2000 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include "rstat.h"
#include "rstat_v2.h"
#include <stdio.h>
#include <stdlib.h> /* getenv, exit */
#include <signal.h>
#include <sys/types.h>
#include <memory.h>
#include <stropts.h>
#include <netconfig.h>
#include <syslog.h>

#ifdef __STDC__
#define SIG_PF void(*)(int)
#endif

#ifdef DEBUG
#define RPC_SVC_FG
#endif


int _rpcpmstart;        /* Started by a port monitor ? */
int _rpcfdtype;         /* Whether Stream or Datagram ? */
int _rpcsvcdirty;       /* Still serving ? */

static void _msgout(/*char *msg*/);
static void closedown();

extern void rstatprog_4(/*struct svc_req *rqstp, SVCXPRT *transp*/);
extern void rstatprog_3(/*struct svc_req *rqstp, SVCXPRT *transp*/);
extern void rstatprog_2(/*struct svc_req *rqstp, SVCXPRT *transp*/);

main()
{
    pid_t pid;
    int i;

    /*
     * If stdin looks like a TLI endpoint, we assume
     * that we were started by a port monitor. If
     * t_getstate fails with TBADF, this is not a
     * TLI endpoint.
     */
    if (t_getstate(0) != -1 || t_errno != TBADF) {
        char *netid;
        struct netconfig *nconf = NULL;
        SVCXPRT *transp;

        _rpcpmstart = 1;
        openlog("rstatd", LOG_PID, LOG_DAEMON);
        if ((netid = getenv("NLSPROVIDER")) == NULL) {
#ifdef DEBUG
            _msgout("cannot get transport name");
#endif
        } else if ((nconf = getnetconfigent(netid)) == NULL) {
#ifdef DEBUG
            _msgout("cannot get transport info");
#endif
        }
        if ((transp = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) {
            _msgout("cannot create server handle");
            exit(1);
        }
        if (nconf)
            freenetconfigent(nconf);
        if (!svc_reg(transp, RSTATPROG, RSTATVERS_VAR, rstatprog_4,
            0)) {
    _msgout("unable to register (RSTATPROG, RSTATVERS_VAR).");
            exit(1);
        }
        if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstatprog_3,
            0)) {
    _msgout("unable to register (RSTATPROG, RSTATVERS_TIME).");
            exit(1);
        }
        if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstatprog_2,
            0)) {
    _msgout("unable to register (RSTATPROG, RSTATVERS_SWTCH).");
            exit(1);
        }
        svc_run();
        exit(1);
        /* NOTREACHED */
    }
    else {
#ifndef RPC_SVC_FG
        pid = fork();
        if (pid < 0) {
            perror("cannot fork");
            exit(1);
        }
        if (pid)
            exit(0);
        closefrom(0);
        i = open("/dev/console", 2);
        (void) dup2(i, 1);
        (void) dup2(i, 2);
        setsid();
        openlog("rstatd", LOG_PID, LOG_DAEMON);
#endif
    }
    if (!svc_create(rstatprog_4, RSTATPROG, RSTATVERS_VAR, "datagram_v")) {
    _msgout("unable to create (RSTATPROG, RSTATVERS_VAR) for datagram_v.");
        exit(1);
    }
    if (!svc_create(rstatprog_3, RSTATPROG, RSTATVERS_TIME,
        "datagram_v")) {
    _msgout("unable to create (RSTATPROG, RSTATVERS_TIME) for datagram_v.");
        exit(1);
    }
    if (!svc_create(rstatprog_4, RSTATPROG, RSTATVERS_VAR, "circuit_v")) {
    _msgout("unable to create (RSTATPROG, RSTATVERS_VAR) for circuit_v.");
        exit(1);
    }
    if (!svc_create(rstatprog_3, RSTATPROG, RSTATVERS_TIME, "circuit_v")) {
    _msgout("unable to create (RSTATPROG, RSTATVERS_TIME) for circuit_v.");
        exit(1);
    }

    /*
     * V2 supported on datagram transports *only*
     */
    if (!svc_create(rstatprog_2, RSTATPROG, RSTATVERS_SWTCH,
        "datagram_v")) {
    _msgout("unable to create (RSTATPROG, RSTATVERS_SWTCH) for datagram_v.");
        exit(1);
    }

    svc_run();
    _msgout("svc_run returned");
    exit(1);
    /* NOTREACHED */
}

static
void _msgout(msg)
    char *msg;
{
#ifdef RPC_SVC_FG
    if (_rpcpmstart)
        syslog(LOG_ERR, msg);
    else
        (void) fprintf(stderr, "%s\n", msg);
#else
    syslog(LOG_ERR, msg);
#endif
}