xref/libmicro/getpeername.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * 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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * getpeername test
 */


#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <errno.h>

#include "libmicro.h"

#define FIRSTPORT       12345

static int          sock = -1;

int
benchmark_init()
{
    (void) sprintf(lm_usage, "notes: measures getpeername()\n");
    lm_tsdsize = 0;

    return (0);
}

int
benchmark_initrun()
{
    int         j;
    int         opt = 1;
    int         result;
    socklen_t       size;
    struct hostent  *host;
    struct sockaddr_in  adds;
    int         sock2, sock3;

    sock2 = socket(AF_INET, SOCK_STREAM, 0);
    if (sock2 == -1) {
        perror("socket");
        exit(1);
    }

    if (setsockopt(sock2, SOL_SOCKET, SO_REUSEADDR,
        &opt, sizeof (int)) == -1) {
        perror("setsockopt");
        exit(1);
    }

    if ((host = gethostbyname("localhost")) == NULL) {
        perror("gethostbyname");
        exit(1);
    }

    j = FIRSTPORT;
    for (;;) {
        (void) memset(&adds, 0, sizeof (struct sockaddr_in));
        adds.sin_family = AF_INET;
        adds.sin_port = htons(j++);
        (void) memcpy(&adds.sin_addr.s_addr, host->h_addr_list[0],
            sizeof (struct in_addr));

        if (bind(sock2, (struct sockaddr *)&adds,
            sizeof (struct sockaddr_in)) == 0) {
            break;
        }

        if (errno != EADDRINUSE) {
            perror("bind");
            exit(1);
        }
    }

    if (listen(sock2, 5) == -1) {
        perror("listen");
        exit(1);
    }

    sock3 = socket(AF_INET, SOCK_STREAM, 0);
    if (sock3 == -1) {
        perror("socket");
        exit(1);
    }

    if (fcntl(sock3, F_SETFL, O_NDELAY) == -1) {
        perror("fcntl");
        exit(1);
    }

    result = connect(sock3, (struct sockaddr *)&adds,
        sizeof (struct sockaddr_in));
    if ((result == -1) && (errno != EINPROGRESS)) {
        perror("connect");
        exit(1);
    }

    size = sizeof (struct sockaddr);
    sock = accept(sock2, (struct sockaddr *)&adds, &size);
    if (sock == -1) {
        perror("accept");
        exit(1);
    }

    return (0);
}

/*ARGSUSED*/
int
benchmark(void *tsd, result_t *res)
{
    int         i;
    struct sockaddr_in  adds;
    socklen_t       size;

    for (i = 0; i < lm_optB; i++) {
        size = sizeof (struct sockaddr_in);
        if (getpeername(sock, (struct sockaddr *)&adds, &size) == -1) {
            perror("getpeername");
            exit(1);
            res->re_errors++;
        }
    }
    res->re_count = i;

    return (0);
}