/* 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 #include #include /* strlen */ static uv_loop_t* loop; static ares_channel channel; static struct ares_options options; static int optmask; static int ares_callbacks; static int ares_errors; static int argument; #define NUM_CALLS_TO_START 1000 static int64_t start_time; static int64_t end_time; /* callback method. */ 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(loop, &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; } loop = uv_default_loop(); ares_callbacks = 0; ares_errors = 0; start_time = uv_hrtime(); 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(loop); uv_ares_destroy(loop, channel); end_time = uv_hrtime(); if (ares_errors > 0) { printf("There were %d failures\n", ares_errors); } LOGF("ares_gethostbyname: %.0f req/s\n", 1e9 * ares_callbacks / (double)(end_time - start_time)); return 0; }