benchmark-udp-pummel.c revision 1.1.1.1 
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 "task.h"
23#include "uv.h"
24
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28
29#define EXPECTED "RANG TANG DING DONG I AM THE JAPANESE SANDMAN"
30
31#define TEST_DURATION 5000 /* ms */
32
33#define BASE_PORT 12345
34
35struct sender_state {
36  struct sockaddr_in addr;
37  uv_udp_send_t send_req;
38  uv_udp_t udp_handle;
39};
40
41struct receiver_state {
42  struct sockaddr_in addr;
43  uv_udp_t udp_handle;
44};
45
46/* not used in timed mode */
47static unsigned int packet_counter = (unsigned int) 1e6;
48
49static int n_senders_;
50static int n_receivers_;
51static uv_buf_t bufs[5];
52static struct sender_state senders[1024];
53static struct receiver_state receivers[1024];
54
55static unsigned int send_cb_called;
56static unsigned int recv_cb_called;
57static unsigned int close_cb_called;
58static int timed;
59static int exiting;
60
61
62static void alloc_cb(uv_handle_t* handle,
63                     size_t suggested_size,
64                     uv_buf_t* buf) {
65  static char slab[65536];
66  ASSERT(suggested_size <= sizeof(slab));
67  buf->base = slab;
68  buf->len = sizeof(slab);
69}
70
71
72static void send_cb(uv_udp_send_t* req, int status) {
73  struct sender_state* s;
74
75  ASSERT(req != NULL);
76
77  if (status != 0) {
78    ASSERT(status == UV_ECANCELED);
79    return;
80  }
81
82  if (exiting)
83    return;
84
85  s = container_of(req, struct sender_state, send_req);
86  ASSERT(req->handle == &s->udp_handle);
87
88  if (timed)
89    goto send;
90
91  if (packet_counter == 0) {
92    uv_close((uv_handle_t*)&s->udp_handle, NULL);
93    return;
94  }
95
96  packet_counter--;
97
98send:
99  ASSERT(0 == uv_udp_send(&s->send_req,
100                          &s->udp_handle,
101                          bufs,
102                          ARRAY_SIZE(bufs),
103                          (const struct sockaddr*) &s->addr,
104                          send_cb));
105  send_cb_called++;
106}
107
108
109static void recv_cb(uv_udp_t* handle,
110                    ssize_t nread,
111                    const uv_buf_t* buf,
112                    const struct sockaddr* addr,
113                    unsigned flags) {
114  if (nread == 0)
115    return;
116
117  if (nread < 0) {
118    ASSERT(nread == UV_ECANCELED);
119    return;
120  }
121
122  ASSERT(addr->sa_family == AF_INET);
123  ASSERT(!memcmp(buf->base, EXPECTED, nread));
124
125  recv_cb_called++;
126}
127
128
129static void close_cb(uv_handle_t* handle) {
130  ASSERT(handle != NULL);
131  close_cb_called++;
132}
133
134
135static void timeout_cb(uv_timer_t* timer) {
136  int i;
137
138  exiting = 1;
139
140  for (i = 0; i < n_senders_; i++)
141    uv_close((uv_handle_t*)&senders[i].udp_handle, close_cb);
142
143  for (i = 0; i < n_receivers_; i++)
144    uv_close((uv_handle_t*)&receivers[i].udp_handle, close_cb);
145}
146
147
148static int pummel(unsigned int n_senders,
149                  unsigned int n_receivers,
150                  unsigned long timeout) {
151  uv_timer_t timer_handle;
152  uint64_t duration;
153  uv_loop_t* loop;
154  unsigned int i;
155
156  ASSERT(n_senders <= ARRAY_SIZE(senders));
157  ASSERT(n_receivers <= ARRAY_SIZE(receivers));
158
159  loop = uv_default_loop();
160
161  n_senders_ = n_senders;
162  n_receivers_ = n_receivers;
163
164  if (timeout) {
165    ASSERT(0 == uv_timer_init(loop, &timer_handle));
166    ASSERT(0 == uv_timer_start(&timer_handle, timeout_cb, timeout, 0));
167    /* Timer should not keep loop alive. */
168    uv_unref((uv_handle_t*)&timer_handle);
169    timed = 1;
170  }
171
172  for (i = 0; i < n_receivers; i++) {
173    struct receiver_state* s = receivers + i;
174    struct sockaddr_in addr;
175    ASSERT(0 == uv_ip4_addr("0.0.0.0", BASE_PORT + i, &addr));
176    ASSERT(0 == uv_udp_init(loop, &s->udp_handle));
177    ASSERT(0 == uv_udp_bind(&s->udp_handle, (const struct sockaddr*) &addr, 0));
178    ASSERT(0 == uv_udp_recv_start(&s->udp_handle, alloc_cb, recv_cb));
179    uv_unref((uv_handle_t*)&s->udp_handle);
180  }
181
182  bufs[0] = uv_buf_init(EXPECTED + 0,  10);
183  bufs[1] = uv_buf_init(EXPECTED + 10, 10);
184  bufs[2] = uv_buf_init(EXPECTED + 20, 10);
185  bufs[3] = uv_buf_init(EXPECTED + 30, 10);
186  bufs[4] = uv_buf_init(EXPECTED + 40, 5);
187
188  for (i = 0; i < n_senders; i++) {
189    struct sender_state* s = senders + i;
190    ASSERT(0 == uv_ip4_addr("127.0.0.1",
191                            BASE_PORT + (i % n_receivers),
192                            &s->addr));
193    ASSERT(0 == uv_udp_init(loop, &s->udp_handle));
194    ASSERT(0 == uv_udp_send(&s->send_req,
195                            &s->udp_handle,
196                            bufs,
197                            ARRAY_SIZE(bufs),
198                            (const struct sockaddr*) &s->addr,
199                            send_cb));
200  }
201
202  duration = uv_hrtime();
203  ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
204  duration = uv_hrtime() - duration;
205  /* convert from nanoseconds to milliseconds */
206  duration = duration / (uint64_t) 1e6;
207
208  printf("udp_pummel_%dv%d: %.0f/s received, %.0f/s sent. "
209         "%u received, %u sent in %.1f seconds.\n",
210         n_receivers,
211         n_senders,
212         recv_cb_called / (duration / 1000.0),
213         send_cb_called / (duration / 1000.0),
214         recv_cb_called,
215         send_cb_called,
216         duration / 1000.0);
217
218  MAKE_VALGRIND_HAPPY();
219  return 0;
220}
221
222
223#define X(a, b)                                                               \
224  BENCHMARK_IMPL(udp_pummel_##a##v##b) {                                      \
225    return pummel(a, b, 0);                                                   \
226  }                                                                           \
227  BENCHMARK_IMPL(udp_timed_pummel_##a##v##b) {                                \
228    return pummel(a, b, TEST_DURATION);                                       \
229  }
230
231X(1, 1)
232X(1, 10)
233X(1, 100)
234X(1, 1000)
235X(10, 10)
236X(10, 100)
237X(10, 1000)
238X(100, 10)
239X(100, 100)
240X(100, 1000)
241X(1000, 1000)
242
243#undef X
244