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ABSender.c
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ABSender.c
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/*
** This ABSender is based on ApacheBench modify by ChenZhen
** email: [email protected]
** Link : http://100continue.iteye.com/
**
**
*/
/*
** BUG Fixed(Segmentation Fault):
** When ApacheBench Sorted on total connect times, would cause
** writing off the end of the stats array and report Segmentation
** Fault. for detail you can visit "http://100continue.iteye.com/blog/1337347"
**
** New Features:
** Support to read the Headers, Cookies, Path, PostData info from file
**
**
*/
/* -------------------------------------------------------------------- */
#if 'A' != 0x41
/* This source code isn't being compiled in ASCII.
* In order for data that flows over the network to make
* sense, we need to translate to/from ASCII.
*/
#define NOT_ASCII
#endif
/* affects include files on Solaris */
#define BSD_COMP
#include "apr.h"
#include "apr_signal.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"
#include "apr_portable.h"
#include "ap_release.h"
#include "apr_poll.h"
#define APR_WANT_STRFUNC
#include "apr_want.h"
#include "apr_base64.h"
#ifdef NOT_ASCII
#include "apr_xlate.h"
#endif
#if APR_HAVE_STDIO_H
#include <stdio.h>
#endif
#if APR_HAVE_STDLIB_H
#include <stdlib.h>
#endif
#if APR_HAVE_UNISTD_H
#include <unistd.h> /* for getpid() */
#endif
/*
#if !defined(WIN32) && !defined(NETWARE)
#include "ap_config_auto.h"
#endif
*/
#if defined(HAVE_SSLC)
/* Libraries for RSA SSL-C */
#include <rsa.h>
#include <x509.h>
#include <pem.h>
#include <err.h>
#include <ssl.h>
#include <r_rand.h>
#include <sslc.h>
#define USE_SSL
#define RSAREF
#define SK_NUM(x) sk_num(x)
#define SK_VALUE(x,y) sk_value(x,y)
typedef STACK X509_STACK_TYPE;
#elif defined(HAVE_OPENSSL)
/* Libraries on most systems.. */
#include <openssl/rsa.h>
#include <openssl/crypto.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include <openssl/rand.h>
#define USE_SSL
#define SK_NUM(x) sk_X509_num(x)
#define SK_VALUE(x,y) sk_X509_value(x,y)
typedef STACK_OF(X509) X509_STACK_TYPE;
#endif
#if defined(USE_SSL)
#if (OPENSSL_VERSION_NUMBER >= 0x00909000)
#define AB_SSL_METHOD_CONST const
#else
#define AB_SSL_METHOD_CONST
#endif
#if (OPENSSL_VERSION_NUMBER >= 0x0090707f)
#define AB_SSL_CIPHER_CONST const
#else
#define AB_SSL_CIPHER_CONST
#endif
#endif
#include <math.h>
#if APR_HAVE_CTYPE_H
#include <ctype.h>
#endif
#if APR_HAVE_LIMITS_H
#include <limits.h>
#endif
/* ------------------- DEFINITIONS -------------------------- */
#ifndef LLONG_MAX
#define AB_MAX APR_INT64_C(0x7fffffffffffffff)
#else
#define AB_MAX LLONG_MAX
#endif
/* maximum number of requests on a time limited test */
#define MAX_REQUESTS (INT_MAX > 50000 ? 50000 : INT_MAX)
/* good old state hostname */
#define STATE_UNCONNECTED 0
#define STATE_CONNECTING 1 /* TCP connect initiated, but we don't
* know if it worked yet
*/
#define STATE_CONNECTED 2 /* we know TCP connect completed */
#define STATE_READ 3
#define CBUFFSIZE (2048)
struct connection {
apr_pool_t *ctx;
apr_socket_t *aprsock;
int state;
apr_size_t read; /* amount of bytes read */
apr_size_t bread; /* amount of body read */
apr_size_t rwrite, rwrote; /* keep pointers in what we write - across
* EAGAINs */
apr_size_t 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, /* Start of connection */
connect, /* Connected, start writing */
endwrite, /* Request written */
beginread, /* First byte of input */
done; /* Connection closed */
int socknum;
#ifdef USE_SSL
SSL *ssl;
#endif
};
struct data {
apr_time_t starttime; /* start time of connection */
apr_interval_time_t waittime; /* between request and reading response */
apr_interval_time_t ctime; /* time to connect */
apr_interval_time_t time; /* time for connection */
};
#define ap_min(a,b) ((a)<(b))?(a):(b)
#define ap_max(a,b) ((a)>(b))?(a):(b)
#define ap_round_ms(a) ((apr_time_t)((a) + 500)/1000)
#define ap_double_ms(a) ((double)(a)/1000.0)
#define MAX_CONCURRENCY 20000
/* --------------------- GLOBALS ---------------------------- */
int verbosity = 0; /* no verbosity by default */
int recverrok = 0; /* ok to proceed after socket receive errors */
int posting = 0; /* GET by default */
int requests = 1; /* Number of requests to make */
int heartbeatres = 100; /* How often do we say we're alive */
int concurrency = 1; /* Number of multiple requests to make */
int percentile = 1; /* Show percentile served */
int confidence = 1; /* Show confidence estimator and warnings */
int tlimit = 0; /* time limit in secs */
int keepalive = 0; /* try and do keepalive connections */
int windowsize = 0; /* we use the OS default window size */
char servername[1024]; /* name that server reports */
char *hostname; /* host name from URL */
char *host_field; /* value of "Host:" header field */
char *path; /* 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, /* optional cookie line */
*auth, /* optional (basic/uuencoded) auhentication */
*hdrs; /* optional arbitrary headers */
apr_port_t port; /* port number */
char proxyhost[1024]; /* proxy host name */
int proxyport = 0; /* proxy port */
char *connecthost;
apr_port_t connectport;
char *gnuplot; /* GNUplot file */
char *csvperc; /* CSV Percentile file */
char url[1024];
char * fullurl, * colonhost;
int isproxy = 0;
apr_interval_time_t aprtimeout = apr_time_from_sec(30); /* timeout value */
/* overrides for ab-generated common headers */
int opt_host = 0; /* was an optional "Host:" header specified? */
int opt_useragent = 0; /* was an optional "User-Agent:" header specified? */
int opt_accept = 0; /* was an optional "Accept:" header specified? */
/*
* 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;
apr_size_t doclen = 0; /* the length the document should be */
apr_int64_t totalread = 0; /* total number of bytes read */
apr_int64_t totalbread = 0; /* totoal amount of entity body read */
apr_int64_t totalposted = 0; /* total number of bytes posted, inc. headers */
int started = 0; /* number of requests started, so no excess */
int done = 0; /* number of requests we have done */
int doneka = 0; /* number of keep alive connections done */
int good = 0, bad = 0; /* number of good and bad requests */
int epipe = 0; /* number of broken pipe writes */
int err_length = 0; /* requests failed due to response length */
int err_conn = 0; /* requests failed due to connection drop */
int err_recv = 0; /* requests failed due to broken read */
int err_except = 0; /* requests failed due to exception */
int err_response = 0; /* requests with invalid or non-200 response */
int err_response_3 = 0; /* requests with 3XX response */
int err_response_4 = 0; /* requests with 4XX response */
int err_response_5 = 0; /* requests with 5XX response */
/* --- --- edit by ChenZhen(100Continue) start --- */
#define _MAX 20
int countTimes = 1; /* user opt to decide whether calculate the connection times and
percentage of the request served within a certain time or not*/
char * hdrs_cp; /* modified header*/
char range_s[8192]; /* space to store the modified value likes: headers, cookies, path, post data*/
int is_path_range = 0; /* flag to identify use Range Mode or not*/
int is_cookie_range = 0;
int is_header_range = 0;
int is_post_range = 0;
int is_range_in_order = 0; /* flag to identify request use range in order */
typedef struct { /* to store the info read from file*/
char **content;
int count;
}file_t;
file_t path_file_s; /* to store the info read from file*/
file_t cookie_file_s;
file_t header_file_s;
file_t multi_post_file_s;
/* to store the scope likes: pre[1-1000]middle[20-30]after,
min:1 extent:999 current:1(equals to min) content:middle */
typedef struct {
char *content;
int min;
int extent;
int current;
}scope_t;
/* to store the range info likes: pre[1-1000]middle1[20-30]middle2[7-10]after,
pre: pre
scope_s[0] = {min:1 extent:999 content:middle1}
scope_s[1] = {min:20 extent:10 content:middle2}
scope_s[2] = {min:7 extent:3 content:\0}
after: after */
typedef struct {
char *pre;
scope_t scope_s[_MAX];
char *after;
int count;
}range_t;
range_t *path_range_s = NULL; /* to store the range info */
range_t *post_range_s = NULL;
range_t *cookie_range_s = NULL;
range_t *header_range_s = NULL;
char _request[20480000UL];
/* --- edit by ChenZhen(100Continue) end ----- */
#ifdef USE_SSL
int is_ssl;
SSL_CTX *ssl_ctx;
char *ssl_cipher = NULL;
char *ssl_info = NULL;
BIO *bio_out,*bio_err;
#endif
apr_time_t start, lasttime, stoptime;
/* global request (and its length) */
char *request = _request;
apr_size_t reqlen;
/* one global throw-away buffer to read stuff into */
char buffer[8192];
/* interesting percentiles */
int percs[] = {50, 66, 75, 80, 90, 95, 98, 99, 100};
struct connection *con; /* connection array */
struct data *stats; /* data for each request */
apr_pool_t *cntxt;
apr_pollset_t *readbits;
apr_sockaddr_t *destsa;
#ifdef NOT_ASCII
apr_xlate_t *from_ascii, *to_ascii;
#endif
/* --- edit by ChenZhen(100Continue) start --- */
static void set_request();
static file_t read_file(const char *file);
static char* assemble(range_t *range, int num);
static char* assembleInOrder(range_t *range, int num);
static range_t *parseRange(file_t input_file);
/* --- edit by ChenZhen(100Continue) end --- */
static void write_request(struct connection * c);
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\n", s);
if (done)
printf("Total of %d requests completed\n" , done);
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);
if (done)
printf("Total of %d requests completed\n" , done);
exit(rv);
}
/* --------------------------------------------------------- */
/* write out request to a connection - assumes we can write
* (small) request out in one go into our new socket buffer
*
*/
#ifdef USE_SSL
static long ssl_print_cb(BIO *bio,int cmd,const char *argp,int argi,long argl,long ret)
{
BIO *out;
out=(BIO *)BIO_get_callback_arg(bio);
if (out == NULL) return(ret);
if (cmd == (BIO_CB_READ|BIO_CB_RETURN)) {
BIO_printf(out,"read from %p [%p] (%d bytes => %ld (0x%lX))\n",
bio, argp, argi, ret, ret);
BIO_dump(out,(char *)argp,(int)ret);
return(ret);
}
else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN)) {
BIO_printf(out,"write to %p [%p] (%d bytes => %ld (0x%lX))\n",
bio, argp, argi, ret, ret);
BIO_dump(out,(char *)argp,(int)ret);
}
return ret;
}
static void ssl_state_cb(const SSL *s, int w, int r)
{
if (w & SSL_CB_ALERT) {
BIO_printf(bio_err, "SSL/TLS Alert [%s] %s:%s\n",
(w & SSL_CB_READ ? "read" : "write"),
SSL_alert_type_string_long(r),
SSL_alert_desc_string_long(r));
} else if (w & SSL_CB_LOOP) {
BIO_printf(bio_err, "SSL/TLS State [%s] %s\n",
(SSL_in_connect_init((SSL*)s) ? "connect" : "-"),
SSL_state_string_long(s));
} else if (w & (SSL_CB_HANDSHAKE_START|SSL_CB_HANDSHAKE_DONE)) {
BIO_printf(bio_err, "SSL/TLS Handshake [%s] %s\n",
(w & SSL_CB_HANDSHAKE_START ? "Start" : "Done"),
SSL_state_string_long(s));
}
}
#ifndef RAND_MAX
#define RAND_MAX INT_MAX
#endif
static int ssl_rand_choosenum(int l, int h)
{
int i;
char buf[50];
srand((unsigned int)time(NULL));
apr_snprintf(buf, sizeof(buf), "%.0f",
(((double)(rand()%RAND_MAX)/RAND_MAX)*(h-l)));
i = atoi(buf)+1;
if (i < l) i = l;
if (i > h) i = h;
return i;
}
static void ssl_rand_seed(void)
{
int nDone = 0;
int n, l;
time_t t;
pid_t pid;
unsigned char stackdata[256];
/*
* seed in the current time (usually just 4 bytes)
*/
t = time(NULL);
l = sizeof(time_t);
RAND_seed((unsigned char *)&t, l);
nDone += l;
/*
* seed in the current process id (usually just 4 bytes)
*/
pid = getpid();
l = sizeof(pid_t);
RAND_seed((unsigned char *)&pid, l);
nDone += l;
/*
* seed in some current state of the run-time stack (128 bytes)
*/
n = ssl_rand_choosenum(0, sizeof(stackdata)-128-1);
RAND_seed(stackdata+n, 128);
nDone += 128;
}
static int ssl_print_connection_info(BIO *bio, SSL *ssl)
{
AB_SSL_CIPHER_CONST SSL_CIPHER *c;
int alg_bits,bits;
c = SSL_get_current_cipher(ssl);
BIO_printf(bio,"Cipher Suite Protocol :%s\n", SSL_CIPHER_get_version(c));
BIO_printf(bio,"Cipher Suite Name :%s\n",SSL_CIPHER_get_name(c));
bits = SSL_CIPHER_get_bits(c,&alg_bits);
BIO_printf(bio,"Cipher Suite Cipher Bits:%d (%d)\n",bits,alg_bits);
return(1);
}
static void ssl_print_cert_info(BIO *bio, X509 *cert)
{
X509_NAME *dn;
char buf[1024];
BIO_printf(bio, "Certificate version: %ld\n", X509_get_version(cert)+1);
BIO_printf(bio,"Valid from: ");
ASN1_UTCTIME_print(bio, X509_get_notBefore(cert));
BIO_printf(bio,"\n");
BIO_printf(bio,"Valid to : ");
ASN1_UTCTIME_print(bio, X509_get_notAfter(cert));
BIO_printf(bio,"\n");
BIO_printf(bio,"Public key is %d bits\n",
EVP_PKEY_bits(X509_get_pubkey(cert)));
dn = X509_get_issuer_name(cert);
X509_NAME_oneline(dn, buf, sizeof(buf));
BIO_printf(bio,"The issuer name is %s\n", buf);
dn=X509_get_subject_name(cert);
X509_NAME_oneline(dn, buf, sizeof(buf));
BIO_printf(bio,"The subject name is %s\n", buf);
/* dump the extension list too */
BIO_printf(bio, "Extension Count: %d\n", X509_get_ext_count(cert));
}
static void ssl_print_info(struct connection *c)
{
X509_STACK_TYPE *sk;
X509 *cert;
int count;
BIO_printf(bio_err, "\n");
sk = SSL_get_peer_cert_chain(c->ssl);
if ((count = SK_NUM(sk)) > 0) {
int i;
for (i=1; i<count; i++) {
cert = (X509 *)SK_VALUE(sk, i);
ssl_print_cert_info(bio_out, cert);
X509_free(cert);
}
}
cert = SSL_get_peer_certificate(c->ssl);
if (cert == NULL) {
BIO_printf(bio_out, "Anon DH\n");
} else {
BIO_printf(bio_out, "Peer certificate\n");
ssl_print_cert_info(bio_out, cert);
X509_free(cert);
}
ssl_print_connection_info(bio_err,c->ssl);
SSL_SESSION_print(bio_err, SSL_get_session(c->ssl));
}
static void ssl_proceed_handshake(struct connection *c)
{
int do_next = 1;
while (do_next) {
int ret, ecode;
apr_pollfd_t new_pollfd;
ret = SSL_do_handshake(c->ssl);
ecode = SSL_get_error(c->ssl, ret);
switch (ecode) {
case SSL_ERROR_NONE:
if (verbosity >= 2)
ssl_print_info(c);
if (ssl_info == NULL) {
AB_SSL_CIPHER_CONST SSL_CIPHER *ci;
X509 *cert;
int sk_bits, pk_bits, swork;
ci = SSL_get_current_cipher(c->ssl);
sk_bits = SSL_CIPHER_get_bits(ci, &swork);
cert = SSL_get_peer_certificate(c->ssl);
if (cert)
pk_bits = EVP_PKEY_bits(X509_get_pubkey(cert));
else
pk_bits = 0; /* Anon DH */
ssl_info = malloc(128);
apr_snprintf(ssl_info, 128, "%s,%s,%d,%d",
SSL_CIPHER_get_version(ci),
SSL_CIPHER_get_name(ci),
pk_bits, sk_bits);
}
write_request(c);
do_next = 0;
break;
case SSL_ERROR_WANT_READ:
new_pollfd.desc_type = APR_POLL_SOCKET;
new_pollfd.reqevents = APR_POLLIN;
new_pollfd.desc.s = c->aprsock;
new_pollfd.client_data = c;
apr_pollset_add(readbits, &new_pollfd);
do_next = 0;
break;
case SSL_ERROR_WANT_WRITE:
/* Try again */
do_next = 1;
break;
case SSL_ERROR_WANT_CONNECT:
case SSL_ERROR_SSL:
case SSL_ERROR_SYSCALL:
/* Unexpected result */
BIO_printf(bio_err, "SSL handshake failed (%d).\n", ecode);
ERR_print_errors(bio_err);
close_connection(c);
do_next = 0;
break;
}
}
}
#endif /* USE_SSL */
static void write_request(struct connection * c)
{
/* --- edit by ChenZhen(100Continue) start --- */
/* set path */
if(path_file_s.count != 0){
if(is_path_range == 1){
if(is_range_in_order == 1){
path = apr_pstrcat(cntxt, assembleInOrder(path_range_s, path_file_s.count), NULL);
}else{
path = apr_pstrcat(cntxt, assemble(path_range_s, path_file_s.count), NULL);
}
}else{
path = apr_pstrcat(cntxt, path_file_s.content[random() % path_file_s.count], NULL);
}
/* set fullurl */
if(isproxy){
fullurl = apr_pstrcat(cntxt, fullurl, path, NULL);
}
}
/* set cookie */
if(cookie_file_s.count != 0){
if(is_cookie_range == 1){
if(is_range_in_order == 1){
cookie = apr_pstrcat(cntxt, "Cookie: ", assembleInOrder(cookie_range_s, cookie_file_s.count), "\r\n", NULL);
}else{
cookie = apr_pstrcat(cntxt, "Cookie: ", assemble(cookie_range_s, cookie_file_s.count), "\r\n", NULL);
}
}else{
cookie = apr_pstrcat(cntxt, "Cookie: ", cookie_file_s.content[random() % cookie_file_s.count], "\r\n", NULL);
}
}
/* set header */
if(header_file_s.count != 0){
if(is_header_range == 1){
if(is_range_in_order == 1){
hdrs_cp = apr_pstrcat(cntxt, hdrs, assembleInOrder(header_range_s, header_file_s.count), "\r\n", NULL);
}else{
hdrs_cp = apr_pstrcat(cntxt, hdrs, assemble(header_range_s, header_file_s.count), "\r\n", NULL);
}
}else{
hdrs_cp = apr_pstrcat(cntxt, hdrs, header_file_s.content[random() % header_file_s.count], "\r\n", NULL);
}
}
/* set post info */
if(multi_post_file_s.count != 0){
if(is_post_range == 1){
if(is_range_in_order == 1){
postdata = apr_pstrcat(cntxt, assembleInOrder(post_range_s, multi_post_file_s.count), NULL);
}else{
postdata = apr_pstrcat(cntxt, assemble(post_range_s, multi_post_file_s.count), NULL);
}
}else{
postdata = apr_pstrcat(cntxt, multi_post_file_s.content[random() % multi_post_file_s.count], NULL);
}
postlen = strlen(postdata) + 1;
postdata[postlen] = 0;
}
/* set request */
if(0 != path_file_s.count || 0 != cookie_file_s.count || 0 != header_file_s.count || 0 != multi_post_file_s.count){
set_request();
}
/* --- edit by ChenZhen(100Continue) end --- */
do {
apr_time_t tnow;
apr_size_t l = c->rwrite;
apr_status_t e = APR_SUCCESS; /* prevent gcc warning */
tnow = lasttime = apr_time_now();
/*
* First time round ?
*/
if (c->rwrite == 0) {
apr_socket_timeout_set(c->aprsock, 0);
c->connect = tnow;
c->rwrote = 0;
c->rwrite = reqlen;
if (posting)
c->rwrite += postlen;
}
else if (tnow > c->connect + aprtimeout) {
printf("Send request timed out!\n");
close_connection(c);
return;
}
#ifdef USE_SSL
if (c->ssl) {
apr_size_t e_ssl;
e_ssl = SSL_write(c->ssl,request + c->rwrote, l);
if (e_ssl != l) {
BIO_printf(bio_err, "SSL write failed - closing connection\n");
ERR_print_errors(bio_err);
close_connection (c);
return;
}
l = e_ssl;
e = APR_SUCCESS;
}
else
#endif
e = apr_socket_send(c->aprsock, request + c->rwrote, &l);
if (e != APR_SUCCESS && !APR_STATUS_IS_EAGAIN(e)) {
epipe++;
printf("Send request failed!\n");
close_connection(c);
return;
}
totalposted += l;
c->rwrote += l;
c->rwrite -= l;
} while (c->rwrite);
c->state = STATE_READ;
c->endwrite = lasttime = apr_time_now();
{
apr_pollfd_t new_pollfd;
new_pollfd.desc_type = APR_POLL_SOCKET;
new_pollfd.reqevents = APR_POLLIN;
new_pollfd.desc.s = c->aprsock;
new_pollfd.client_data = c;
apr_pollset_add(readbits, &new_pollfd);
}
}
/* --------------------------------------------------------- */
/* calculate and output results */
static int compradre(struct data * a, struct data * b)
{
if ((a->ctime) < (b->ctime))
return -1;
if ((a->ctime) > (b->ctime))
return +1;
return 0;
}
static int comprando(struct data * a, struct data * b)
{
if ((a->time) < (b->time))
return -1;
if ((a->time) > (b->time))
return +1;
return 0;
}
static int compri(struct data * a, struct data * b)
{
apr_interval_time_t p = a->time - a->ctime;
apr_interval_time_t q = b->time - b->ctime;
if (p < q)
return -1;
if (p > q)
return +1;
return 0;
}
static int compwait(struct data * a, struct data * b)
{
if ((a->waittime) < (b->waittime))
return -1;
if ((a->waittime) > (b->waittime))
return 1;
return 0;
}
static void output_results(int sig)
{
double timetaken;
if (sig) {
lasttime = apr_time_now(); /* record final time if interrupted */
}
timetaken = (double) (lasttime - start) / APR_USEC_PER_SEC;
printf("\n\n");
printf("Server Software: %s\n", servername);
printf("Server Hostname: %s\n", hostname);
printf("Server Port: %hu\n", port);
#ifdef USE_SSL
if (is_ssl && ssl_info) {
printf("SSL/TLS Protocol: %s\n", ssl_info);
}
#endif
printf("\n");
if(0 == path_file_s.count){
printf("Document Path: %s\n", path);
}else{
printf("Document Path: Read from path file\n");
}
printf("Document Length: %" APR_SIZE_T_FMT " bytes\n", doclen);
printf("\n");
printf("Concurrency Level: %d\n", concurrency);
printf("Time taken for tests: %.3f seconds\n", timetaken);
printf("Complete requests: %d\n", done);
printf("Failed requests: %d\n", bad);
if (bad)
printf(" (Connect: %d, Receive: %d, Length: %d, Exceptions: %d)\n",
err_conn, err_recv, err_length, err_except);
printf("Write errors: %d\n", epipe);
if (err_response)
printf("Non-2xx responses: %d\n", err_response);
if (err_response_3)
printf("3xx responses: %d\n", err_response_3);
if (err_response_4)
printf("4xx responses: %d\n", err_response_4);
if (err_response_5)
printf("5xx responses: %d\n", err_response_5);
if (keepalive)
printf("Keep-Alive requests: %d\n", doneka);
printf("Total transferred: %" APR_INT64_T_FMT " bytes\n", totalread);
if (posting == 1 || posting == 3)
printf("Total POSTed: %" APR_INT64_T_FMT "\n", totalposted);
if (posting == 2)
printf("Total PUT: %" APR_INT64_T_FMT "\n", totalposted);
printf("HTML transferred: %" APR_INT64_T_FMT " bytes\n", totalbread);
/* avoid divide by zero */
if (timetaken && done) {
printf("Requests per second: %.2f [#/sec] (mean)\n",
(double) done / timetaken);
printf("Time per request: %.3f [ms] (mean)\n",
(double) concurrency * timetaken * 1000 / done);
printf("Time per request: %.3f [ms] (mean, across all concurrent requests)\n",
(double) timetaken * 1000 / done);
printf("Transfer rate: %.2f [Kbytes/sec] received\n",
(double) totalread / 1024 / timetaken);
if (posting > 0) {
printf(" %.2f kb/s sent\n",
(double) totalposted / timetaken / 1024);
printf(" %.2f kb/s total\n",
(double) (totalread + totalposted) / timetaken / 1024);
}
}
/* --- edit by ChenZhen(100Continue) --- 1 == countTimes */
if (done > 0 && 1 == countTimes) {
/* work out connection times */
int i;
apr_time_t totalcon = 0, total = 0, totald = 0, totalwait = 0;
apr_time_t meancon, meantot, meand, meanwait;
apr_interval_time_t mincon = AB_MAX, mintot = AB_MAX, mind = AB_MAX,
minwait = AB_MAX;
apr_interval_time_t maxcon = 0, maxtot = 0, maxd = 0, maxwait = 0;
apr_interval_time_t mediancon = 0, mediantot = 0, mediand = 0, medianwait = 0;
double sdtot = 0, sdcon = 0, sdd = 0, sdwait = 0;
for (i = 0; i < done; i++) {
struct data *s = &stats[i];
mincon = ap_min(mincon, s->ctime);
mintot = ap_min(mintot, s->time);
mind = ap_min(mind, s->time - s->ctime);
minwait = ap_min(minwait, s->waittime);
maxcon = ap_max(maxcon, s->ctime);
maxtot = ap_max(maxtot, s->time);
maxd = ap_max(maxd, s->time - s->ctime);
maxwait = ap_max(maxwait, s->waittime);
totalcon += s->ctime;
total += s->time;
totald += s->time - s->ctime;
totalwait += s->waittime;
}
meancon = totalcon / done;
meantot = total / done;
meand = totald / done;
meanwait = totalwait / done;
/* calculating the sample variance: the sum of the squared deviations, divided by n-1 */
for (i = 0; i < done; i++) {
struct data *s = &stats[i];
double a;
a = ((double)s->time - meantot);
sdtot += a * a;
a = ((double)s->ctime - meancon);
sdcon += a * a;
a = ((double)s->time - (double)s->ctime - meand);
sdd += a * a;
a = ((double)s->waittime - meanwait);
sdwait += a * a;
}
sdtot = (done > 1) ? sqrt(sdtot / (done - 1)) : 0;
sdcon = (done > 1) ? sqrt(sdcon / (done - 1)) : 0;
sdd = (done > 1) ? sqrt(sdd / (done - 1)) : 0;
sdwait = (done > 1) ? sqrt(sdwait / (done - 1)) : 0;
qsort(stats, done, sizeof(struct data),
(int (*) (const void *, const void *)) compradre);
if ((done > 1) && (done % 2))
mediancon = (stats[done / 2].ctime + stats[done / 2 + 1].ctime) / 2;
else
mediancon = stats[done / 2].ctime;
qsort(stats, done, sizeof(struct data),
(int (*) (const void *, const void *)) compri);
if ((done > 1) && (done % 2))
mediand = (stats[done / 2].time + stats[done / 2 + 1].time \
-stats[done / 2].ctime - stats[done / 2 + 1].ctime) / 2;
else
mediand = stats[done / 2].time - stats[done / 2].ctime;
qsort(stats, done, sizeof(struct data),
(int (*) (const void *, const void *)) compwait);
if ((done > 1) && (done % 2))
medianwait = (stats[done / 2].waittime + stats[done / 2 + 1].waittime) / 2;
else
medianwait = stats[done / 2].waittime;
qsort(stats, done, sizeof(struct data),
(int (*) (const void *, const void *)) comprando);
if ((done > 1) && (done % 2))
mediantot = (stats[done / 2].time + stats[done / 2 + 1].time) / 2;
else
mediantot = stats[done / 2].time;
printf("\nConnection Times (ms)\n");
/*
* Reduce stats from apr time to milliseconds
*/
mincon = ap_round_ms(mincon);
mind = ap_round_ms(mind);
minwait = ap_round_ms(minwait);
mintot = ap_round_ms(mintot);
meancon = ap_round_ms(meancon);
meand = ap_round_ms(meand);
meanwait = ap_round_ms(meanwait);
meantot = ap_round_ms(meantot);
mediancon = ap_round_ms(mediancon);
mediand = ap_round_ms(mediand);
medianwait = ap_round_ms(medianwait);
mediantot = ap_round_ms(mediantot);
maxcon = ap_round_ms(maxcon);
maxd = ap_round_ms(maxd);
maxwait = ap_round_ms(maxwait);
maxtot = ap_round_ms(maxtot);
sdcon = ap_double_ms(sdcon);
sdd = ap_double_ms(sdd);
sdwait = ap_double_ms(sdwait);
sdtot = ap_double_ms(sdtot);
if (confidence) {
#define CONF_FMT_STRING "%5" APR_TIME_T_FMT " %4" APR_TIME_T_FMT " %5.1f %6" APR_TIME_T_FMT " %7" APR_TIME_T_FMT "\n"
printf(" min mean[+/-sd] median max\n");
printf("Connect: " CONF_FMT_STRING,
mincon, meancon, sdcon, mediancon, maxcon);
printf("Processing: " CONF_FMT_STRING,
mind, meand, sdd, mediand, maxd);
printf("Waiting: " CONF_FMT_STRING,
minwait, meanwait, sdwait, medianwait, maxwait);
printf("Total: " CONF_FMT_STRING,
mintot, meantot, sdtot, mediantot, maxtot);
#undef CONF_FMT_STRING
#define SANE(what,mean,median,sd) \
{ \
double d = (double)mean - median; \
if (d < 0) d = -d; \
if (d > 2 * sd ) \
printf("ERROR: The median and mean for " what " are more than twice the standard\n" \
" deviation apart. These results are NOT reliable.\n"); \
else if (d > sd ) \
printf("WARNING: The median and mean for " what " are not within a normal deviation\n" \
" These results are probably not that reliable.\n"); \
}
SANE("the initial connection time", meancon, mediancon, sdcon);
SANE("the processing time", meand, mediand, sdd);
SANE("the waiting time", meanwait, medianwait, sdwait);
SANE("the total time", meantot, mediantot, sdtot);
}
else {
printf(" min avg max\n");
#define CONF_FMT_STRING "%5" APR_TIME_T_FMT " %5" APR_TIME_T_FMT "%5" APR_TIME_T_FMT "\n"
printf("Connect: " CONF_FMT_STRING, mincon, meancon, maxcon);
printf("Processing: " CONF_FMT_STRING, mintot - mincon,
meantot - meancon,
maxtot - maxcon);
printf("Total: " CONF_FMT_STRING, mintot, meantot, maxtot);
#undef CONF_FMT_STRING
}
/* Sorted on total connect times */
if (percentile && (done > 1)) {
printf("\nPercentage of the requests served within a certain time (ms)\n");
for (i = 0; i < sizeof(percs) / sizeof(int); i++) {
if (percs[i] <= 0)
printf(" 0%% <0> (never)\n");
else if (percs[i] >= 100)