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      1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
      2  *
      3  * Permission is hereby granted, free of charge, to any person obtaining a copy
      4  * of this software and associated documentation files (the "Software"), to
      5  * deal in the Software without restriction, including without limitation the
      6  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
      7  * sell copies of the Software, and to permit persons to whom the Software is
      8  * furnished to do so, subject to the following conditions:
      9  *
     10  * The above copyright notice and this permission notice shall be included in
     11  * all copies or substantial portions of the Software.
     12  *
     13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     18  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     19  * IN THE SOFTWARE.
     20  */
     21 
     22 #include "uv.h"
     23 #include "task.h"
     24 #include <stdlib.h>
     25 
     26 #define CONCURRENT_CALLS 10
     27 #define TOTAL_CALLS 10000
     28 
     29 static const char* name = "localhost";
     30 
     31 static uv_loop_t* loop;
     32 
     33 static uv_getaddrinfo_t handles[CONCURRENT_CALLS];
     34 
     35 static int calls_initiated = 0;
     36 static int calls_completed = 0;
     37 static int64_t start_time;
     38 static int64_t end_time;
     39 
     40 
     41 static void getaddrinfo_initiate(uv_getaddrinfo_t* handle);
     42 
     43 
     44 static void getaddrinfo_cb(uv_getaddrinfo_t* handle, int status,
     45     struct addrinfo* res) {
     46   ASSERT(status == 0);
     47   calls_completed++;
     48   if (calls_initiated < TOTAL_CALLS) {
     49     getaddrinfo_initiate(handle);
     50   }
     51 
     52   uv_freeaddrinfo(res);
     53 }
     54 
     55 
     56 static void getaddrinfo_initiate(uv_getaddrinfo_t* handle) {
     57   int r;
     58 
     59   calls_initiated++;
     60 
     61   r = uv_getaddrinfo(loop, handle, &getaddrinfo_cb, name, NULL, NULL);
     62   ASSERT(r == 0);
     63 }
     64 
     65 
     66 BENCHMARK_IMPL(getaddrinfo) {
     67   int i;
     68 
     69   loop = uv_default_loop();
     70 
     71   uv_update_time(loop);
     72   start_time = uv_now(loop);
     73 
     74   for (i = 0; i < CONCURRENT_CALLS; i++) {
     75     getaddrinfo_initiate(&handles[i]);
     76   }
     77 
     78   uv_run(loop, UV_RUN_DEFAULT);
     79 
     80   uv_update_time(loop);
     81   end_time = uv_now(loop);
     82 
     83   ASSERT(calls_initiated == TOTAL_CALLS);
     84   ASSERT(calls_completed == TOTAL_CALLS);
     85 
     86   fprintf(stderr, "getaddrinfo: %.0f req/s\n",
     87           (double) calls_completed / (double) (end_time - start_time) * 1000.0);
     88   fflush(stderr);
     89 
     90   MAKE_VALGRIND_HAPPY();
     91   return 0;
     92 }
     93