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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "task.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h> /* strlen */
ares_channel channel;
struct ares_options options;
int optmask;
struct in_addr testsrv;
int ares_callbacks;
int ares_errors;
int argument;
#define NUM_CALLS_TO_START 1000
static int64_t start_time;
static int64_t end_time;
/* callback method. may issue another call */
static void aresbynamecallback( void *arg,
int status,
int timeouts,
struct hostent *hostent) {
ares_callbacks++;
if (status != 0) {
ares_errors++;
}
}
static void prep_tcploopback()
{
/* for test, use echo server - TCP port TEST_PORT on loopback */
struct sockaddr_in test_server = uv_ip4_addr("127.0.0.1", 0);
int rc = 0;
optmask = 0;
optmask = ARES_OPT_SERVERS | ARES_OPT_TCP_PORT | ARES_OPT_FLAGS;
options.servers = &test_server.sin_addr;
options.nservers = 1;
options.tcp_port = htons(TEST_PORT_2);
options.flags = ARES_FLAG_USEVC;
rc = uv_ares_init_options(&channel, &options, optmask);
ASSERT(rc == ARES_SUCCESS);
}
BENCHMARK_IMPL(gethostbyname) {
int rc = 0;
int ares_start;;
rc = ares_library_init(ARES_LIB_INIT_ALL);
if (rc != 0) {
printf("ares library init fails %d\n", rc);
return 1;
}
uv_init();
ares_callbacks = 0;
ares_errors = 0;
uv_update_time();
start_time = uv_now();
prep_tcploopback();
for (ares_start = 0; ares_start < NUM_CALLS_TO_START; ares_start++) {
ares_gethostbyname(channel,
"echos.srv",
AF_INET,
&aresbynamecallback,
&argument);
}
uv_run();
uv_ares_destroy(channel);
end_time = uv_now();
if (ares_errors > 0) {
printf("There were %d failures\n", ares_errors);
}
LOGF("ares_gethostbyname: %.0f req/s\n",
1000.0 * ares_callbacks / (double)(end_time - start_time));
return 0;
}