httpd/support/ab.c

	ab.c revision 0906f649b3d720299e47ed1148e79051e8941b2a
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/* ====================================================================
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * The Apache Software License, Version 1.1
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * reserved.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Redistribution and use in source and binary forms, with or without
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * modification, are permitted provided that the following conditions
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * are met:
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * 1. Redistributions of source code must retain the above copyright
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    notice, this list of conditions and the following disclaimer.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * 2. Redistributions in binary form must reproduce the above copyright
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    notice, this list of conditions and the following disclaimer in
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    the documentation and/or other materials provided with the
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    distribution.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * 3. The end-user documentation included with the redistribution,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    if any, must include the following acknowledgment:
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *       "This product includes software developed by the
cd3e933325e68e23516a196a8fea7f49b1e497c3Ali Bahrami *        Apache Software Foundation (http://www.apache.org/)."
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    Alternately, this acknowledgment may appear in the software itself,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *    if and wherever such third-party acknowledgments normally appear.
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami * 4. The names "Apache" and "Apache Software Foundation" must
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *    not be used to endorse or promote products derived from this
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *    software without prior written permission. For written
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *    permission, please contact apache@apache.org.
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami * 5. Products derived from this software may not be called "Apache",
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *    nor may "Apache" appear in their name, without prior written
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *    permission of the Apache Software Foundation.
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami *
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bfed486ad8de8b8ebc6345a8e10accae08bf2f45Ali Bahrami * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
cd3e933325e68e23516a196a8fea7f49b1e497c3Ali Bahrami * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
cd3e933325e68e23516a196a8fea7f49b1e497c3Ali Bahrami * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
cd3e933325e68e23516a196a8fea7f49b1e497c3Ali Bahrami * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * SUCH DAMAGE.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * ====================================================================
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * This software consists of voluntary contributions made by many
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * individuals on behalf of the Apache Software Foundation.  For more
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * information on the Apache Software Foundation, please see
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * <http://www.apache.org/>.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * Portions of this software are based upon public domain software
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * originally written at the National Center for Supercomputing Applications,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * University of Illinois, Urbana-Champaign.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** This program is based on ZeusBench V1.0 written by Adam Twiss
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** which is Copyright (c) 1996 by Zeus Technology Ltd. http://www.zeustech.net/
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** This software is provided "as is" and any express or implied waranties,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** including but not limited to, the implied warranties of merchantability and
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** fitness for a particular purpose are disclaimed.  In no event shall
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** Zeus Technology Ltd. be liable for any direct, indirect, incidental, special,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** exemplary, or consequential damaged (including, but not limited to,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** procurement of substitute good or services; loss of use, data, or profits;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** or business interruption) however caused and on theory of liability.  Whether
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** in contract, strict liability or tort (including negligence or otherwise)
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** arising in any way out of the use of this software, even if advised of the
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** possibility of such damage.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   ** HISTORY:
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **    - Originally written by Adam Twiss <adam@zeus.co.uk>, March 1996
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **      with input from Mike Belshe <mbelshe@netscape.com> and
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **      Michael Campanella <campanella@stevms.enet.dec.com>
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **    - Enhanced by Dean Gaudet <dgaudet@apache.org>, November 1997
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **    - Cleaned up by Ralf S. Engelschall <rse@apache.org>, March 1998
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **    - POST and verbosity by Kurt Sussman <kls@merlot.com>, August 1998
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **    - HTML table output added by David N. Welton <davidw@prosa.it>, January 1999
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **    - Added Cookie, Arbitrary header and auth support. <dirkx@webweaving.org>, April 1999
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte   **
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * BUGS:
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * - uses strcpy/etc.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * - has various other poor buffer attacks related to the lazy parsing of
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *   response headers from the server
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * - doesn't implement much of HTTP/1.x, only accepts certain forms of
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *   responses
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * - (performance problem) heavy use of strstr shows up top in profile
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte *   only an issue for loopback usage
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#define AB_VERSION "1.3c"
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/*  -------------------------------------------------------------------- */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#if 'A' != 0x41
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/* Hmmm... This source code isn't being compiled in ASCII.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * In order for data that flows over the network to make
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte * sense, we need to translate to/from ASCII.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#define NOT_ASCII
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#endif
a79493184c9332129c9c91500069322f6f3fafddReed
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte/* affects include files on Solaris */
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#define BSD_COMP
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte#include "apr.h"
#include "apr_strings.h"
#include "apr_network_io.h"
#include "apr_file_io.h"
#include "apr_time.h"
#include "apr_getopt.h"
#include "apr_general.h"
#include "apr_lib.h"

#if APR_HAVE_STDIO_H
#include <stdio.h>      /* for EOF */
#endif
#if APR_HAVE_STDLIB_H
#include <stdlib.h>
#endif

#include "apr_base64.h"
#ifdef NOT_ASCII
#include "apr_xlate.h"
#endif
#if APR_HAVE_STRING_H
#include <string.h>
#endif
#if APR_HAVE_STDIO_H
#include <stdio.h>
#endif
#if APR_HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if APR_HAVE_CTYPE_H
#include <ctype.h>
#endif

/* ------------------- DEFINITIONS -------------------------- */

/* maximum number of requests on a time limited test */
#define MAX_REQUESTS 50000

/* good old state hostname */
#define STATE_UNCONNECTED 0
#define STATE_CONNECTING  1
#define STATE_READ        2

#define CBUFFSIZE       2048

struct connection {
    apr_socket_t *aprsock;
    int state;
    int read;           /* amount of bytes read */
    int bread;          /* amount of body read */
    int rwrite, rwrote;     /* keep pointers in what we write - across
                 * EAGAINs */
    int length;         /* Content-Length value used for keep-alive */
    char cbuff[CBUFFSIZE];  /* a buffer to store server response header */
    int cbx;            /* offset in cbuffer */
    int keepalive;      /* non-zero if a keep-alive request */
    int gotheader;      /* non-zero if we have the entire header in
                 * cbuff */
    apr_time_t start, connect, done;
    int socknum;
};

struct data {
    int read;           /* number of bytes read */
    int ctime;          /* time in ms to connect */
    int time;           /* time in ms for connection */
};

#define ap_min(a,b) ((a)<(b))?(a):(b)
#define ap_max(a,b) ((a)>(b))?(a):(b)

/* --------------------- GLOBALS ---------------------------- */

int verbosity = 0;      /* no verbosity by default */
int posting = 0;        /* GET by default */
int requests = 1;       /* Number of requests to make */
int concurrency = 1;        /* Number of multiple requests to make */
int tlimit = 0;         /* time limit in cs */
int keepalive = 0;      /* try and do keepalive connections */
char servername[1024];      /* name that server reports */
char *hostname;         /* host name from URL */
char *host_field;       /* value of "Host:" header field */
char path[1024];        /* path name */
char postfile[1024];        /* name of file containing post data */
char *postdata;         /* *buffer containing data from postfile */
apr_size_t postlen = 0;     /* length of data to be POSTed */
char content_type[1024];    /* content type to put in POST header */
char cookie[1024],      /* optional cookie line */
     auth[1024],        /* optional (basic/uuencoded)
                 * authentification */
     hdrs[4096];        /* optional arbitrary headers */
apr_port_t port;        /* port number */
apr_time_t aprtimeout = 30 * APR_USEC_PER_SEC;  /* timeout value */
 /*
  * XXX - this is now a per read/write transact type of value
  */

int use_html = 0;       /* use html in the report */
const char *tablestring;
const char *trstring;
const char *tdstring;

int doclen = 0;         /* the length the document should be */
int totalread = 0;      /* total number of bytes read */
int totalbread = 0;     /* totoal amount of entity body read */
int totalposted = 0;        /* total number of bytes posted, inc. headers */
int done = 0;           /* number of requests we have done */
int doneka = 0;         /* number of keep alive connections done */
int started = 0;        /* number of requests started, so no excess */
int good = 0, bad = 0;      /* number of good and bad requests */

/* store error cases */
int err_length = 0, err_conn = 0, err_except = 0;
int err_response = 0;

apr_time_t start, endtime;

/* global request (and its length) */
char _request[512];
char *request = _request;
apr_size_t reqlen;

/* one global throw-away buffer to read stuff into */
char buffer[8192];

struct connection *con;     /* connection array */
struct data *stats;     /* date for each request */
apr_pool_t *cntxt;

apr_pollfd_t *readbits;

#ifdef NOT_ASCII
apr_xlate_t *from_ascii, *to_ascii;
#endif

static void close_connection(struct connection * c);

/* --------------------------------------------------------- */

/* simple little function to write an error string and exit */

static void err(char *s)
{
    fprintf(stderr, "%s", s);
    exit(1);
}

/* simple little function to write an APR error string and exit */

static void apr_err(char *s, apr_status_t rv)
{
    char buf[120];

    fprintf(stderr,
        "%s: %s (%d)\n",
        s, apr_strerror(rv, buf, sizeof buf), rv);
    exit(rv);
}

/* --------------------------------------------------------- */
/* write out request to a connection - assumes we can write
 * (small) request out in one go into our new socket buffer
 *
 */
static void write_request(struct connection * c)
{
    do {
    apr_time_t tnow = apr_time_now();
    apr_size_t l = c->rwrite;
    apr_status_t e;

    /* First time round ?
         */
    if (c->rwrite == 0) {
        apr_setsocketopt(c->aprsock, APR_SO_TIMEOUT, 0);
        c->connect = tnow;
        c->rwrite = reqlen;
        c->rwrote = 0;
        if (posting)
        c->rwrite += postlen;
    }
    else if (tnow > c->connect + aprtimeout) {
        printf("Send request timed out!\n");
        close_connection(c);
        return;
    }

    e = apr_send(c->aprsock, request + c->rwrote, &l);

    /*
     * Bail early on the most common case
     */
    if (l == c->rwrite)
        break;

    if (e != APR_SUCCESS) {
        /*
         * Let's hope this traps EWOULDBLOCK too !
         */
        if (!APR_STATUS_IS_EAGAIN(e)) {
        printf("Send request failed!\n");
        close_connection(c);
        }
        return;
    }
    c->rwrote += l;
    c->rwrite -= l;
    } while (1);

    if (posting)
    totalposted += postlen;

    c->state = STATE_READ;
    apr_poll_socket_add(readbits, c->aprsock, APR_POLLIN);
}

/* --------------------------------------------------------- */

/* calculate and output results */

static void output_results(void)
{
    int timetaken;

    endtime = apr_time_now();
    timetaken = (endtime - start) / 1000;

    printf("\r                                                                           \r");
    printf("Server Software:        %s\n", servername);
    printf("Server Hostname:        %s\n", hostname);
    printf("Server Port:            %hd\n", port);
    printf("\n");
    printf("Document Path:          %s\n", path);
    printf("Document Length:        %d bytes\n", doclen);
    printf("\n");
    printf("Concurrency Level:      %d\n", concurrency);
    printf("Time taken for tests:   %d.%03d seconds\n",
       timetaken / 1000, timetaken % 1000);
    printf("Complete requests:      %d\n", done);
    printf("Failed requests:        %d\n", bad);
    if (bad)
    printf("   (Connect: %d, Length: %d, Exceptions: %d)\n",
           err_conn, err_length, err_except);
    if (err_response)
    printf("Non-2xx responses:      %d\n", err_response);
    if (keepalive)
    printf("Keep-Alive requests:    %d\n", doneka);
    printf("Total transferred:      %d bytes\n", totalread);
    if (posting)
    printf("Total POSTed:           %d\n", totalposted);
    printf("HTML transferred:       %d bytes\n", totalbread);

    /* avoid divide by zero */
    if (timetaken) {
    printf("Requests per second:    %.2f\n", 1000 * (float) (done) / timetaken);
    printf("Transfer rate:          %.2f kb/s received\n",
           (float) (totalread) / timetaken);
    if (posting > 0) {
        printf("                        %.2f kb/s sent\n",
           (float) (totalposted) / timetaken);
        printf("                        %.2f kb/s total\n",
           (float) (totalread + totalposted) / timetaken);
    }
    }

    {
    /* work out connection times */
    int i;
    int totalcon = 0, total = 0;
    int mincon = 9999999, mintot = 999999;
    int maxcon = 0, maxtot = 0;

    for (i = 0; i < requests; i++) {
        struct data s = stats[i];
        mincon = ap_min(mincon, s.ctime);
        mintot = ap_min(mintot, s.time);
        maxcon = ap_max(maxcon, s.ctime);
        maxtot = ap_max(maxtot, s.time);
        totalcon += s.ctime;
        total += s.time;
    }
    if (requests > 0) { /* avoid division by zero (if 0 requests) */
        printf("\nConnnection Times (ms)\n");
        printf("              min   avg   max\n");
        printf("Connect:    %5d %5d %5d\n", mincon, totalcon / requests, maxcon);
        printf("Processing: %5d %5d %5d\n",
        mintot - mincon, (total / requests) - (totalcon / requests),
           maxtot - maxcon);
        printf("Total:      %5d %5d %5d\n", mintot, total / requests, maxtot);
    }
    }
}

/* --------------------------------------------------------- */

/* calculate and output results in HTML  */

static void output_html_results(void)
{
    int timetaken;

    endtime = apr_time_now();
    timetaken = (endtime - start) / 1000;

    printf("\n\n<table %s>\n", tablestring);
    printf("<tr %s><th colspan=2 %s>Server Software:</th>"
       "<td colspan=2 %s>%s</td></tr>\n",
       trstring, tdstring, tdstring, servername);
    printf("<tr %s><th colspan=2 %s>Server Hostname:</th>"
       "<td colspan=2 %s>%s</td></tr>\n",
       trstring, tdstring, tdstring, hostname);
    printf("<tr %s><th colspan=2 %s>Server Port:</th>"
       "<td colspan=2 %s>%hd</td></tr>\n",
       trstring, tdstring, tdstring, port);
    printf("<tr %s><th colspan=2 %s>Document Path:</th>"
       "<td colspan=2 %s>%s</td></tr>\n",
       trstring, tdstring, tdstring, path);
    printf("<tr %s><th colspan=2 %s>Document Length:</th>"
       "<td colspan=2 %s>%d bytes</td></tr>\n",
       trstring, tdstring, tdstring, doclen);
    printf("<tr %s><th colspan=2 %s>Concurrency Level:</th>"
       "<td colspan=2 %s>%d</td></tr>\n",
       trstring, tdstring, tdstring, concurrency);
    printf("<tr %s><th colspan=2 %s>Time taken for tests:</th>"
       "<td colspan=2 %s>%d.%03d seconds</td></tr>\n",
       trstring, tdstring, tdstring, timetaken / 1000, timetaken % 1000);
    printf("<tr %s><th colspan=2 %s>Complete requests:</th>"
       "<td colspan=2 %s>%d</td></tr>\n",
       trstring, tdstring, tdstring, done);
    printf("<tr %s><th colspan=2 %s>Failed requests:</th>"
       "<td colspan=2 %s>%d</td></tr>\n",
       trstring, tdstring, tdstring, bad);
    if (bad)
    printf("<tr %s><td colspan=4 %s >   (Connect: %d, Length: %d, Exceptions: %d)</td></tr>\n",
           trstring, tdstring, err_conn, err_length, err_except);
    if (err_response)
    printf("<tr %s><th colspan=2 %s>Non-2xx responses:</th>"
           "<td colspan=2 %s>%d</td></tr>\n",
           trstring, tdstring, tdstring, err_response);
    if (keepalive)
    printf("<tr %s><th colspan=2 %s>Keep-Alive requests:</th>"
           "<td colspan=2 %s>%d</td></tr>\n",
           trstring, tdstring, tdstring, doneka);
    printf("<tr %s><th colspan=2 %s>Total transferred:</th>"
       "<td colspan=2 %s>%d bytes</td></tr>\n",
       trstring, tdstring, tdstring, totalread);
    if (posting > 0)
    printf("<tr %s><th colspan=2 %s>Total POSTed:</th>"
           "<td colspan=2 %s>%d</td></tr>\n",
           trstring, tdstring, tdstring, totalposted);
    printf("<tr %s><th colspan=2 %s>HTML transferred:</th>"
       "<td colspan=2 %s>%d bytes</td></tr>\n",
       trstring, tdstring, tdstring, totalbread);

    /* avoid divide by zero */
    if (timetaken) {
    printf("<tr %s><th colspan=2 %s>Requests per second:</th>"
           "<td colspan=2 %s>%.2f</td></tr>\n",
       trstring, tdstring, tdstring, 1000 * (float) (done) / timetaken);
    printf("<tr %s><th colspan=2 %s>Transfer rate:</th>"
           "<td colspan=2 %s>%.2f kb/s received</td></tr>\n",
         trstring, tdstring, tdstring, (float) (totalread) / timetaken);
    if (posting > 0) {
        printf("<tr %s><td colspan=2 %s>&nbsp;</td>"
           "<td colspan=2 %s>%.2f kb/s sent</td></tr>\n",
           trstring, tdstring, tdstring,
           (float) (totalposted) / timetaken);
        printf("<tr %s><td colspan=2 %s>&nbsp;</td>"
           "<td colspan=2 %s>%.2f kb/s total</td></tr>\n",
           trstring, tdstring, tdstring,
           (float) (totalread + totalposted) / timetaken);
    }
    }

    {
    /* work out connection times */
    int i;
    int totalcon = 0, total = 0;
    int mincon = 9999999, mintot = 999999;
    int maxcon = 0, maxtot = 0;

    for (i = 0; i < requests; i++) {
        struct data s = stats[i];
        mincon = ap_min(mincon, s.ctime);
        mintot = ap_min(mintot, s.time);
        maxcon = ap_max(maxcon, s.ctime);
        maxtot = ap_max(maxtot, s.time);
        totalcon += s.ctime;
        total += s.time;
    }

    if (requests > 0) { /* avoid division by zero (if 0 requests) */
        printf("<tr %s><th %s colspan=4>Connnection Times (ms)</th></tr>\n",
           trstring, tdstring);
        printf("<tr %s><th %s>&nbsp;</th> <th %s>min</th>   <th %s>avg</th>   <th %s>max</th></tr>\n",
           trstring, tdstring, tdstring, tdstring, tdstring);
        printf("<tr %s><th %s>Connect:</th>"
           "<td %s>%5d</td>"
           "<td %s>%5d</td>"
           "<td %s>%5d</td></tr>\n",
           trstring, tdstring, tdstring, mincon, tdstring, totalcon / requests, tdstring, maxcon);
        printf("<tr %s><th %s>Processing:</th>"
           "<td %s>%5d</td>"
           "<td %s>%5d</td>"
           "<td %s>%5d</td></tr>\n",
           trstring, tdstring, tdstring, mintot - mincon, tdstring,
           (total / requests) - (totalcon / requests), tdstring, maxtot - maxcon);
        printf("<tr %s><th %s>Total:</th>"
           "<td %s>%5d</td>"
           "<td %s>%5d</td>"
           "<td %s>%5d</td></tr>\n",
           trstring, tdstring, tdstring, mintot, tdstring, total / requests, tdstring, maxtot);
    }
    printf("</table>\n");
    }
}

/* --------------------------------------------------------- */

/* start asnchronous non-blocking connection */

static void start_connect(struct connection * c)
{
    apr_status_t rv;
    apr_sockaddr_t *destsa;

    if (!(started < requests))
    return;

    c->read = 0;
    c->bread = 0;
    c->keepalive = 0;
    c->cbx = 0;
    c->gotheader = 0;
    c->rwrite = 0;

    if ((rv = apr_sockaddr_info_get(&destsa, hostname, APR_UNSPEC, port, 0, cntxt))
    != APR_SUCCESS) {
    char buf[120];

    apr_snprintf(buf, sizeof(buf),
             "apr_sockaddr_info_get() for %s", hostname);
    apr_err(buf, rv);
    }
    if ((rv = apr_socket_create(&c->aprsock, destsa->sa.sin.sin_family,
                SOCK_STREAM, cntxt)) != APR_SUCCESS) {
    apr_err("socket", rv);
    }
    c->start = apr_time_now();
    if ((rv = apr_connect(c->aprsock, destsa)) != APR_SUCCESS) {
    if (APR_STATUS_IS_EINPROGRESS(rv)) {
        c->state = STATE_CONNECTING;
        c->rwrite = 0;
        apr_poll_socket_add(readbits, c->aprsock, APR_POLLOUT);
        return;
    }
    else {
        apr_poll_socket_remove(readbits, c->aprsock);
        apr_socket_close(c->aprsock);
        err_conn++;
        if (bad++ > 10) {
        fprintf(stderr,
            "\nTest aborted after 10 failures\n\n");
        apr_err("apr_connect()", rv);
        }
        c->state = STATE_UNCONNECTED;
        start_connect(c);
        return;
    }
    }

    /* connected first time */
    started++;
    write_request(c);
}

/* --------------------------------------------------------- */

/* close down connection and save stats */

static void close_connection(struct connection * c)
{
    if (c->read == 0 && c->keepalive) {
    /* server has legitimately shut down an idle keep alive request */
    if (good)
        good--;     /* connection never happened */
    }
    else {
    if (good == 1) {
        /* first time here */
        doclen = c->bread;
    }
    else if (c->bread != doclen) {
        bad++;
        err_length++;
    }
    /* save out time */
    if (done < requests) {
        struct data s;
        c->done = apr_time_now();
        s.read = c->read;
        s.ctime = (c->connect - c->start) / 1000;
        s.time = (c->done - c->start) / 1000;
        stats[done++] = s;
    }
    }

    apr_poll_socket_remove(readbits, c->aprsock);
    apr_socket_close(c->aprsock);
    c->state = STATE_UNCONNECTED;

    /* connect again */
    start_connect(c);
    return;
}

/* --------------------------------------------------------- */

/* read data from connection */

static void read_connection(struct connection * c)
{
    apr_size_t r;
    apr_status_t status;
    char *part;
    char respcode[4];       /* 3 digits and null */

    r = sizeof(buffer);
    apr_setsocketopt(c->aprsock, APR_SO_TIMEOUT, aprtimeout);
    status = apr_recv(c->aprsock, buffer, &r);
    if (r == 0 || (status != APR_SUCCESS && !APR_STATUS_IS_EAGAIN(status))) {
    good++;
    close_connection(c);
    return;
    }

    if (APR_STATUS_IS_EAGAIN(status))
    return;

    c->read += r;
    totalread += r;

    if (!c->gotheader) {
    char *s;
    int l = 4;
    int space = CBUFFSIZE - c->cbx - 1; /* -1 to allow for 0
                         * terminator */
    int tocopy = (space < r) ? space : r;
#ifdef NOT_ASCII
    apr_size_t inbytes_left = space, outbytes_left = space;

    status = apr_xlate_conv_buffer(from_ascii, buffer, &inbytes_left,
                       c->cbuff + c->cbx, &outbytes_left);
    if (status || inbytes_left || outbytes_left) {
        fprintf(stderr, "only simple translation is supported (%d/%u/%u)\n",
            status, inbytes_left, outbytes_left);
        exit(1);
    }
#else
    memcpy(c->cbuff + c->cbx, buffer, space);
#endif              /* NOT_ASCII */
    c->cbx += tocopy;
    space -= tocopy;
    c->cbuff[c->cbx] = 0;   /* terminate for benefit of strstr */
    if (verbosity >= 4) {
        printf("LOG: header received:\n%s\n", c->cbuff);
    }
    s = strstr(c->cbuff, "\r\n\r\n");
    /*
     * this next line is so that we talk to NCSA 1.5 which blatantly
     * breaks the http specifaction
     */
    if (!s) {
        s = strstr(c->cbuff, "\n\n");
        l = 2;
    }

    if (!s) {
        /* read rest next time */
        if (space) {
        return;
        }
        else {
        /* header is in invalid or too big - close connection */
        apr_poll_socket_remove(readbits, c->aprsock);
        apr_socket_close(c->aprsock);
        err_response++;
        if (bad++ > 10) {
            err("\nTest aborted after 10 failures\n\n");
        }
        start_connect(c);
        }
    }
    else {
        /* have full header */
        if (!good) {
        /* this is first time, extract some interesting info */
        char *p, *q;
        p = strstr(c->cbuff, "Server:");
        q = servername;
        if (p) {
            p += 8;
            while (*p > 32)
            *q++ = *p++;
        }
        *q = 0;
        }

        /*
         * XXX: this parsing isn't even remotely HTTP compliant... but in
         * the interest of speed it doesn't totally have to be, it just
         * needs to be extended to handle whatever servers folks want to
         * test against. -djg
         */

        /* check response code */
        part = strstr(c->cbuff, "HTTP");    /* really HTTP/1.x_ */
        strncpy(respcode, (part + strlen("HTTP/1.x_")), 3);
        respcode[3] = '\0';
        if (respcode[0] != '2') {
        err_response++;
        if (verbosity >= 2)
            printf("WARNING: Response code not 2xx (%s)\n", respcode);
        }
        else if (verbosity >= 3) {
        printf("LOG: Response code = %s\n", respcode);
        }

        c->gotheader = 1;
        *s = 0;     /* terminate at end of header */
        if (keepalive &&
        (strstr(c->cbuff, "Keep-Alive")
         || strstr(c->cbuff, "keep-alive"))) {  /* for benefit of MSIIS */
        char *cl;
        cl = strstr(c->cbuff, "Content-Length:");
        /* handle NCSA, which sends Content-length: */
        if (!cl)
            cl = strstr(c->cbuff, "Content-length:");
        if (cl) {
            c->keepalive = 1;
            c->length = atoi(cl + 16);
        }
        }
        c->bread += c->cbx - (s + l - c->cbuff) + r - tocopy;
        totalbread += c->bread;
    }
    }
    else {
    /* outside header, everything we have read is entity body */
    c->bread += r;
    totalbread += r;
    }

    if (c->keepalive && (c->bread >= c->length)) {
    /* finished a keep-alive connection */
    good++;
    doneka++;
    /* save out time */
    if (good == 1) {
        /* first time here */
        doclen = c->bread;
    }
    else if (c->bread != doclen) {
        bad++;
        err_length++;
    }
    if (done < requests) {
        struct data s;
        c->done = apr_time_now();
        s.read = c->read;
        s.ctime = (c->connect - c->start) / 1000;
        s.time = (c->done - c->start) / 1000;
        stats[done++] = s;
    }
    c->keepalive = 0;
    c->length = 0;
    c->gotheader = 0;
    c->cbx = 0;
    c->read = c->bread = 0;
    write_request(c);
    c->start = c->connect;  /* zero connect time with keep-alive */
    }
}

/* --------------------------------------------------------- */

/* run the tests */

static void test(void)
{
    apr_time_t now;
    apr_int16_t rv;
    int i;
    apr_status_t status;
#ifdef NOT_ASCII
    apr_size_t inbytes_left, outbytes_left;
#endif

    if (!use_html) {
    printf("Benchmarking %s (be patient)...", hostname);
    fflush(stdout);
    }

    now = apr_time_now();

    con = malloc(concurrency * sizeof(struct connection));
    memset(con, 0, concurrency * sizeof(struct connection));

    stats = malloc(requests * sizeof(struct data));
    apr_poll_setup(&readbits, concurrency, cntxt);

    /* setup request */
    if (!posting) {
    sprintf(request, "%s %s HTTP/1.0\r\n"
        "User-Agent: ApacheBench/%s\r\n"
        "%s" "%s" "%s"
        "Host: %s\r\n"
        "Accept: */*\r\n"
        "%s" "\r\n",
        (posting == 0) ? "GET" : "HEAD",
        path,
        AB_VERSION,
        keepalive ? "Connection: Keep-Alive\r\n" : "",
        cookie, auth, host_field, hdrs);
    }
    else {
    sprintf(request, "POST %s HTTP/1.0\r\n"
        "User-Agent: ApacheBench/%s\r\n"
        "%s" "%s" "%s"
        "Host: %s\r\n"
        "Accept: */*\r\n"
        "Content-length: %" APR_SIZE_T_FMT "\r\n"
        "Content-type: %s\r\n"
        "%s"
        "\r\n",
        path,
        AB_VERSION,
        keepalive ? "Connection: Keep-Alive\r\n" : "",
        cookie, auth,
        host_field, postlen,
        (content_type[0]) ? content_type : "text/plain", hdrs);
    }

    if (verbosity >= 2)
    printf("INFO: POST header == \n---\n%s\n---\n", request);

    reqlen = strlen(request);

    /*
     * Combine headers and (optional) post file into one contineous buffer
     */
    if (posting) {
    char *buff = (char *) malloc(postlen + reqlen + 1);
    strcpy(buff, request);
    strcpy(buff + reqlen, postdata);
    request = buff;
    }

#ifdef NOT_ASCII
    inbytes_left = outbytes_left = reqlen;
    status = apr_xlate_conv_buffer(to_ascii, request, &inbytes_left,
                   request, &outbytes_left);
    if (status || inbytes_left || outbytes_left) {
    fprintf(stderr, "only simple translation is supported (%d/%u/%u)\n",
        status, inbytes_left, outbytes_left);
    exit(1);
    }
#endif              /* NOT_ASCII */

    /* ok - lets start */
    start = apr_time_now();

    /* initialise lots of requests */
    for (i = 0; i < concurrency; i++) {
    con[i].socknum = i;
    start_connect(&con[i]);
    }

    while (done < requests) {
    apr_int32_t n;
    apr_int32_t timed;

    /* check for time limit expiry */
    now = apr_time_now();
    timed = (now - start) / APR_USEC_PER_SEC;
    if (tlimit && timed > (tlimit * 1000)) {
        requests = done;    /* so stats are correct */
    }

    n = concurrency;
    status = apr_poll(readbits, &n, aprtimeout);
    if (status != APR_SUCCESS)
        apr_err("apr_poll", status);

    if (!n) {
        err("\nServer timed out\n\n");
    }

    for (i = 0; i < concurrency; i++) {
        /*
         * If the connection isn't connected how can we check it?
         */
        if (con[i].state == STATE_UNCONNECTED)
        continue;

        apr_poll_revents_get(&rv, con[i].aprsock, readbits);
        /*
         * Notes: APR_POLLHUP is set after FIN is received on some
         * systems, so treat that like APR_POLLIN so that we try to read
         * again.
         *
         * Some systems return APR_POLLERR with APR_POLLHUP.  We need to
         * call read_connection() for APR_POLLHUP, so check for
         * APR_POLLHUP first so that a closed connection isn't treated
         * like an I/O error.  If it is, we never figure out that the
         * connection is done and we loop here endlessly calling
         * apr_poll().
         */
        if ((rv & APR_POLLIN) || (rv & APR_POLLPRI) || (rv & APR_POLLHUP))
        read_connection(&con[i]);
        if ((rv & APR_POLLERR) || (rv & APR_POLLNVAL)) {
        bad++;
        err_except++;
        start_connect(&con[i]);
        continue;
        }
        if (rv & APR_POLLOUT)
        write_request(&con[i]);

        /*
         * When using a select based poll every time we check the bits
         * are reset. In 1.3's ab we copied the FD_SET's each time
         * through, but here we're going to check the state and if the
         * connection is in STATE_READ or STATE_CONNECTING we'll add the
         * socket back in as APR_POLLIN.
         */
        if (con[i].state == STATE_READ || con[i].state == STATE_CONNECTING)
        apr_poll_socket_add(readbits, con[i].aprsock, APR_POLLIN);

    }
    }
    if (use_html)
    output_html_results();
    else
    output_results();
}

/* ------------------------------------------------------- */

/* display copyright information */
static void copyright(void)
{
    if (!use_html) {
    printf("This is ApacheBench, Version %s\n", AB_VERSION " <$Revision: 1.60 $> apache-2.0");
    printf("Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/\n");
    printf("Copyright (c) 1998-2001 The Apache Software Foundation, http://www.apache.org/\n");
    printf("\n");
    }
    else {
    printf("<p>\n");
    printf(" This is ApacheBench, Version %s <i>&lt;%s&gt;</i> apache-2.0<br>\n", AB_VERSION, "$Revision: 1.60 $");
    printf(" Copyright (c) 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/<br>\n");
    printf(" Copyright (c) 1998-2001 The Apache Software Foundation, http://www.apache.org/<br>\n");
    printf("</p>\n<p>\n");
    }
}

/* display usage information */
static void usage(const char *progname)
{
    fprintf(stderr, "Usage: %s [options] [http://]hostname[:port]/path\n", progname);
    fprintf(stderr, "Options are:\n");
    fprintf(stderr, "    -n requests     Number of requests to perform\n");
    fprintf(stderr, "    -c concurrency  Number of multiple requests to make\n");
    fprintf(stderr, "    -t timelimit    Seconds to max. wait for responses\n");
    fprintf(stderr, "    -p postfile     File containg data to POST\n");
    fprintf(stderr, "    -T content-type Content-type header for POSTing\n");
    fprintf(stderr, "    -v verbosity    How much troubleshooting info to print\n");
    fprintf(stderr, "    -w              Print out results in HTML tables\n");
    fprintf(stderr, "    -i              Use HEAD instead of GET\n");
    fprintf(stderr, "    -x attributes   String to insert as table attributes\n");
    fprintf(stderr, "    -y attributes   String to insert as tr attributes\n");
    fprintf(stderr, "    -z attributes   String to insert as td or th attributes\n");
    fprintf(stderr, "    -C attribute    Add cookie, eg. 'Apache=1234. (repeatable)\n");
    fprintf(stderr, "    -H attribute    Add Arbitrary header line, eg. 'Accept-Encoding: zop'\n");
    fprintf(stderr, "                    Inserted after all normal header lines. (repeatable)\n");
    fprintf(stderr, "    -A attribute    Add Basic WWW Authentication, the attributes\n");
    fprintf(stderr, "                    are a colon separated username and password.\n");
    fprintf(stderr, "    -p attribute    Add Basic Proxy Authentication, the attributes\n");
    fprintf(stderr, "                    are a colon separated username and password.\n");
    fprintf(stderr, "    -V              Print version number and exit\n");
    fprintf(stderr, "    -k              Use HTTP KeepAlive feature\n");
    fprintf(stderr, "    -h              Display usage information (this message)\n");
    exit(EINVAL);
}

/* ------------------------------------------------------- */

/* split URL into parts */

static int parse_url(char *url)
{
    char *cp;
    char *h;
    char *scope_id;
    apr_status_t rv;

    if (strlen(url) > 7 && strncmp(url, "http://", 7) == 0)
    url += 7;
    if ((cp = strchr(url, '/')) == NULL)
    return 1;
    h = apr_palloc(cntxt, cp - url + 1);
    memcpy(h, url, cp - url);
    h[cp - url] = '\0';
    rv = apr_parse_addr_port(&hostname, &scope_id, &port, h, cntxt);
    if (rv != APR_SUCCESS || !hostname || scope_id) {
    return 1;
    }
    strcpy(path, cp);
    *cp = '\0';
    if (*url == '[') {      /* IPv6 numeric address string */
    host_field = apr_psprintf(cntxt, "[%s]", hostname);
    }
    else {
    host_field = hostname;
    }
    if (port == 0) {        /* no port specified */
    port = 80;
    }
    return 0;
}

/* ------------------------------------------------------- */

/* read data to POST from file, save contents and length */

static int open_postfile(const char *pfile)
{
    apr_file_t *postfd = NULL;
    apr_finfo_t finfo;
    apr_fileperms_t mode = APR_OS_DEFAULT;
    apr_size_t length;
    apr_status_t rv;
    char errmsg[120];

    rv = apr_file_open(&postfd, pfile, APR_READ, mode, cntxt);
    if (rv != APR_SUCCESS) {
    printf("Invalid postfile name (%s): %s\n", pfile,
           apr_strerror(rv, errmsg, sizeof errmsg));
    return rv;
    }

    apr_file_info_get(&finfo, APR_FINFO_NORM, postfd);
    postlen = finfo.size;
    postdata = (char *) malloc(postlen);
    if (!postdata) {
    printf("Can\'t alloc postfile buffer\n");
    return APR_ENOMEM;
    }
    length = postlen;
    rv = apr_file_read(postfd, postdata, &length);
    if (rv != APR_SUCCESS) {
    printf("error reading postfile: %s\n",
           apr_strerror(rv, errmsg, sizeof errmsg));
    return rv;
    }
    if (length != postlen) {
    printf("error reading postfile: read only %"
           APR_SIZE_T_FMT " bytes",
           length);
    return APR_EINVAL;
    }
    apr_file_close(postfd);
    return 0;
}

static void terminate(void)
{
    apr_terminate();
}

/* ------------------------------------------------------- */

/* sort out command-line args and call test */
int main(int argc, const char *const argv[])
{
    int r, l;
    char tmp[1024];
    apr_status_t status;
    apr_getopt_t *opt;
    const char *optarg;
    char c;

    /* table defaults  */
    tablestring = "";
    trstring = "";
    tdstring = "bgcolor=white";
    cookie[0] = '\0';
    auth[0] = '\0';
    hdrs[0] = '\0';

    apr_initialize();
    atexit(terminate);
    apr_pool_create(&cntxt, NULL);

#ifdef NOT_ASCII
    status = apr_xlate_open(&to_ascii, "ISO8859-1", APR_DEFAULT_CHARSET, cntxt);
    if (status) {
    fprintf(stderr, "apr_xlate_open(to ASCII)->%d\n", status);
    exit(1);
    }
    status = apr_xlate_open(&from_ascii, APR_DEFAULT_CHARSET, "ISO8859-1", cntxt);
    if (status) {
    fprintf(stderr, "apr_xlate_open(from ASCII)->%d\n", status);
    exit(1);
    }
    status = apr_base64init_ebcdic(to_ascii, from_ascii);
    if (status) {
    fprintf(stderr, "apr_base64init_ebcdic()->%d\n", status);
    exit(1);
    }
#endif

    apr_getopt_init(&opt, cntxt, argc, argv);
    while ((status = apr_getopt(opt, "n:c:t:T:p:v:kVhwix:y:z:C:H:P:A:", &c, &optarg)) == APR_SUCCESS) {
    switch (c) {
    case 'n':
        requests = atoi(optarg);
        if (!requests) {
        err("Invalid number of requests\n");
        }
        break;
    case 'k':
        keepalive = 1;
        break;
    case 'c':
        concurrency = atoi(optarg);
        break;
    case 'i':
        if (posting == 1)
        err("Cannot mix POST and HEAD\n");
        posting = -1;
        break;
    case 'p':
        if (posting != 0)
        err("Cannot mix POST and HEAD\n");

        if (0 == (r = open_postfile(optarg))) {
        posting = 1;
        }
        else if (postdata) {
        exit(r);
        }
        break;
    case 'v':
        verbosity = atoi(optarg);
        break;
    case 't':
        tlimit = atoi(optarg);
        requests = MAX_REQUESTS;    /* need to size data array on
                     * something */
        break;
    case 'T':
        strcpy(content_type, optarg);
        break;
    case 'C':
        strncat(cookie, "Cookie: ", sizeof(cookie));
        strncat(cookie, optarg, sizeof(cookie));
        strncat(cookie, "\r\n", sizeof(cookie));
        break;
    case 'A':
        /*
         * assume username passwd already to be in colon separated form.
         * Ready to be uu-encoded.
         */
        while (apr_isspace(*optarg))
        optarg++;
        l = apr_base64_encode(tmp, optarg, strlen(optarg));
        tmp[l] = '\0';

        strncat(auth, "Authorization: Basic ", sizeof(auth));
        strncat(auth, tmp, sizeof(auth));
        strncat(auth, "\r\n", sizeof(auth));
        break;
    case 'P':
        /*
             * assume username passwd already to be in colon separated form.
             */
        while (apr_isspace(*optarg))
        optarg++;
        l = apr_base64_encode(tmp, optarg, strlen(optarg));
        tmp[l] = '\0';

        strncat(auth, "Proxy-Authorization: Basic ", sizeof(auth));
        strncat(auth, tmp, sizeof(auth));
        strncat(auth, "\r\n", sizeof(auth));
        break;
    case 'H':
        strncat(hdrs, optarg, sizeof(hdrs));
        strncat(hdrs, "\r\n", sizeof(hdrs));
        break;
    case 'w':
        use_html = 1;
        break;
        /*
         * if any of the following three are used, turn on html output
         * automatically
         */
    case 'x':
        use_html = 1;
        tablestring = optarg;
        break;
    case 'y':
        use_html = 1;
        trstring = optarg;
        break;
    case 'z':
        use_html = 1;
        tdstring = optarg;
        break;
    case 'h':
        usage(argv[0]);
        break;
    case 'V':
        copyright();
        return 0;
    }
    }

    if (opt->ind != argc - 1) {
    fprintf(stderr, "%s: wrong number of arguments\n", argv[0]);
    usage(argv[0]);
    }

    if (parse_url(apr_pstrdup(cntxt, opt->argv[opt->ind++]))) {
    fprintf(stderr, "%s: invalid URL\n", argv[0]);
    usage(argv[0]);
    }

    copyright();
    test();

    return 0;
}