224 lines
5.7 KiB
C
224 lines
5.7 KiB
C
/* $NetBSD: bench_httpclient.c,v 1.1.1.1 2013/04/11 16:43:32 christos Exp $ */
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/*
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* Copyright 2009-2012 Niels Provos and Nick Mathewson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/types.h>
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#ifdef WIN32
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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# ifdef _XOPEN_SOURCE_EXTENDED
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# include <arpa/inet.h>
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# endif
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "event2/event.h"
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#include "event2/bufferevent.h"
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#include "event2/buffer.h"
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#include "event2/util.h"
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/* for EVUTIL_ERR_CONNECT_RETRIABLE macro */
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#include "util-internal.h"
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const char *resource = NULL;
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struct event_base *base = NULL;
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int total_n_handled = 0;
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int total_n_errors = 0;
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int total_n_launched = 0;
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size_t total_n_bytes = 0;
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struct timeval total_time = {0,0};
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int n_errors = 0;
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const int PARALLELISM = 200;
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const int N_REQUESTS = 20000;
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struct request_info {
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size_t n_read;
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struct timeval started;
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};
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static int launch_request(void);
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static void readcb(struct bufferevent *b, void *arg);
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static void errorcb(struct bufferevent *b, short what, void *arg);
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static void
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readcb(struct bufferevent *b, void *arg)
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{
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struct request_info *ri = arg;
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struct evbuffer *input = bufferevent_get_input(b);
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size_t n = evbuffer_get_length(input);
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ri->n_read += n;
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evbuffer_drain(input, n);
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}
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static void
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errorcb(struct bufferevent *b, short what, void *arg)
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{
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struct request_info *ri = arg;
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struct timeval now, diff;
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if (what & BEV_EVENT_EOF) {
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++total_n_handled;
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total_n_bytes += ri->n_read;
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evutil_gettimeofday(&now, NULL);
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evutil_timersub(&now, &ri->started, &diff);
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evutil_timeradd(&diff, &total_time, &total_time);
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if (total_n_handled && (total_n_handled%1000)==0)
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printf("%d requests done\n",total_n_handled);
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if (total_n_launched < N_REQUESTS) {
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if (launch_request() < 0)
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perror("Can't launch");
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}
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} else {
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++total_n_errors;
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perror("Unexpected error");
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}
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bufferevent_setcb(b, NULL, NULL, NULL, NULL);
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free(ri);
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bufferevent_disable(b, EV_READ|EV_WRITE);
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bufferevent_free(b);
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}
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static void
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frob_socket(evutil_socket_t sock)
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{
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struct linger l;
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int one = 1;
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if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&one, sizeof(one))<0)
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perror("setsockopt(SO_REUSEADDR)");
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l.l_onoff = 1;
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l.l_linger = 0;
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if (setsockopt(sock, SOL_SOCKET, SO_LINGER, (void*)&l, sizeof(l))<0)
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perror("setsockopt(SO_LINGER)");
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}
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static int
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launch_request(void)
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{
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evutil_socket_t sock;
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struct sockaddr_in sin;
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struct bufferevent *b;
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struct request_info *ri;
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memset(&sin, 0, sizeof(sin));
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++total_n_launched;
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = htonl(0x7f000001);
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sin.sin_port = htons(8080);
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if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
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return -1;
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if (evutil_make_socket_nonblocking(sock) < 0)
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return -1;
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frob_socket(sock);
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if (connect(sock, (struct sockaddr*)&sin, sizeof(sin)) < 0) {
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int e = errno;
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if (! EVUTIL_ERR_CONNECT_RETRIABLE(e)) {
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return -1;
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}
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}
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ri = malloc(sizeof(*ri));
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ri->n_read = 0;
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evutil_gettimeofday(&ri->started, NULL);
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b = bufferevent_socket_new(base, sock, BEV_OPT_CLOSE_ON_FREE);
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bufferevent_setcb(b, readcb, NULL, errorcb, ri);
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bufferevent_enable(b, EV_READ|EV_WRITE);
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evbuffer_add_printf(bufferevent_get_output(b),
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"GET %s HTTP/1.0\r\n\r\n", resource);
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return 0;
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}
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int
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main(int argc, char **argv)
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{
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int i;
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struct timeval start, end, total;
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long long usec;
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double throughput;
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resource = "/ref";
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setvbuf(stdout, NULL, _IONBF, 0);
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base = event_base_new();
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for (i=0; i < PARALLELISM; ++i) {
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if (launch_request() < 0)
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perror("launch");
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}
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evutil_gettimeofday(&start, NULL);
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event_base_dispatch(base);
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evutil_gettimeofday(&end, NULL);
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evutil_timersub(&end, &start, &total);
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usec = total_time.tv_sec * 1000000 + total_time.tv_usec;
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if (!total_n_handled) {
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puts("Nothing worked. You probably did something dumb.");
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return 0;
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}
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throughput = total_n_handled /
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(total.tv_sec+ ((double)total.tv_usec)/1000000.0);
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#ifdef WIN32
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#define I64_FMT "%I64d"
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#define I64_TYP __int64
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#else
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#define I64_FMT "%lld"
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#define I64_TYP long long int
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#endif
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printf("\n%d requests in %d.%06d sec. (%.2f throughput)\n"
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"Each took about %.02f msec latency\n"
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I64_FMT "bytes read. %d errors.\n",
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total_n_handled,
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(int)total.tv_sec, (int)total.tv_usec,
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throughput,
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(double)(usec/1000) / total_n_handled,
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(I64_TYP)total_n_bytes, n_errors);
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return 0;
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}
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