| /* 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 "task.h" |
| #include "uv.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #define EXPECTED "RANG TANG DING DONG I AM THE JAPANESE SANDMAN" /* "Take eight!" */ |
| |
| #define TEST_DURATION 5000 /* ms */ |
| |
| #define BASE_PORT 12345 |
| |
| struct sender_state { |
| struct sockaddr_in addr; |
| uv_udp_send_t send_req; |
| uv_udp_t udp_handle; |
| }; |
| |
| struct receiver_state { |
| struct sockaddr_in addr; |
| uv_udp_t udp_handle; |
| }; |
| |
| /* not used in timed mode */ |
| static unsigned int packet_counter = (unsigned int) 1e6; |
| |
| static int n_senders_; |
| static int n_receivers_; |
| static uv_buf_t bufs[5]; |
| static struct sender_state senders[1024]; |
| static struct receiver_state receivers[1024]; |
| |
| static unsigned int send_cb_called; |
| static unsigned int recv_cb_called; |
| static unsigned int close_cb_called; |
| static int timed; |
| static int exiting; |
| |
| |
| static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) { |
| static char slab[65536]; |
| ASSERT(suggested_size <= sizeof slab); |
| return uv_buf_init(slab, sizeof slab); |
| } |
| |
| |
| static void send_cb(uv_udp_send_t* req, int status) { |
| struct sender_state* s; |
| |
| ASSERT(req != NULL); |
| |
| if (status != 0) { |
| ASSERT(status == -1); |
| ASSERT(uv_last_error(req->handle->loop).code == UV_ECANCELED); |
| return; |
| } |
| |
| if (exiting) |
| return; |
| |
| s = container_of(req, struct sender_state, send_req); |
| ASSERT(req->handle == &s->udp_handle); |
| |
| if (timed) |
| goto send; |
| |
| if (packet_counter == 0) { |
| uv_close((uv_handle_t*)&s->udp_handle, NULL); |
| return; |
| } |
| |
| packet_counter--; |
| |
| send: |
| ASSERT(0 == uv_udp_send(&s->send_req, |
| &s->udp_handle, |
| bufs, |
| ARRAY_SIZE(bufs), |
| s->addr, |
| send_cb)); |
| send_cb_called++; |
| } |
| |
| |
| static void recv_cb(uv_udp_t* handle, |
| ssize_t nread, |
| uv_buf_t buf, |
| struct sockaddr* addr, |
| unsigned flags) { |
| if (nread == 0) |
| return; |
| |
| if (nread == -1) { |
| ASSERT(uv_last_error(handle->loop).code == UV_ECANCELED); |
| return; |
| } |
| |
| ASSERT(addr->sa_family == AF_INET); |
| ASSERT(!memcmp(buf.base, EXPECTED, nread)); |
| |
| recv_cb_called++; |
| } |
| |
| |
| static void close_cb(uv_handle_t* handle) { |
| ASSERT(handle != NULL); |
| close_cb_called++; |
| } |
| |
| |
| static void timeout_cb(uv_timer_t* timer, int status) { |
| int i; |
| |
| exiting = 1; |
| |
| for (i = 0; i < n_senders_; i++) |
| uv_close((uv_handle_t*)&senders[i].udp_handle, close_cb); |
| |
| for (i = 0; i < n_receivers_; i++) |
| uv_close((uv_handle_t*)&receivers[i].udp_handle, close_cb); |
| } |
| |
| |
| static int pummel(unsigned int n_senders, |
| unsigned int n_receivers, |
| unsigned long timeout) { |
| uv_timer_t timer_handle; |
| uint64_t duration; |
| uv_loop_t* loop; |
| unsigned int i; |
| |
| ASSERT(n_senders <= ARRAY_SIZE(senders)); |
| ASSERT(n_receivers <= ARRAY_SIZE(receivers)); |
| |
| loop = uv_default_loop(); |
| |
| n_senders_ = n_senders; |
| n_receivers_ = n_receivers; |
| |
| if (timeout) { |
| ASSERT(0 == uv_timer_init(loop, &timer_handle)); |
| ASSERT(0 == uv_timer_start(&timer_handle, timeout_cb, timeout, 0)); |
| /* Timer should not keep loop alive. */ |
| uv_unref((uv_handle_t*)&timer_handle); |
| timed = 1; |
| } |
| |
| for (i = 0; i < n_receivers; i++) { |
| struct receiver_state* s = receivers + i; |
| struct sockaddr_in addr = uv_ip4_addr("0.0.0.0", BASE_PORT + i); |
| ASSERT(0 == uv_udp_init(loop, &s->udp_handle)); |
| ASSERT(0 == uv_udp_bind(&s->udp_handle, addr, 0)); |
| ASSERT(0 == uv_udp_recv_start(&s->udp_handle, alloc_cb, recv_cb)); |
| uv_unref((uv_handle_t*)&s->udp_handle); |
| } |
| |
| bufs[0] = uv_buf_init(EXPECTED + 0, 10); |
| bufs[1] = uv_buf_init(EXPECTED + 10, 10); |
| bufs[2] = uv_buf_init(EXPECTED + 20, 10); |
| bufs[3] = uv_buf_init(EXPECTED + 30, 10); |
| bufs[4] = uv_buf_init(EXPECTED + 40, 5); |
| |
| for (i = 0; i < n_senders; i++) { |
| struct sender_state* s = senders + i; |
| s->addr = uv_ip4_addr("127.0.0.1", BASE_PORT + (i % n_receivers)); |
| ASSERT(0 == uv_udp_init(loop, &s->udp_handle)); |
| ASSERT(0 == uv_udp_send(&s->send_req, |
| &s->udp_handle, |
| bufs, |
| ARRAY_SIZE(bufs), |
| s->addr, |
| send_cb)); |
| } |
| |
| duration = uv_hrtime(); |
| ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT)); |
| duration = uv_hrtime() - duration; |
| /* convert from nanoseconds to milliseconds */ |
| duration = duration / (uint64_t) 1e6; |
| |
| printf("udp_pummel_%dv%d: %.0f/s received, %.0f/s sent. " |
| "%u received, %u sent in %.1f seconds.\n", |
| n_receivers, |
| n_senders, |
| recv_cb_called / (duration / 1000.0), |
| send_cb_called / (duration / 1000.0), |
| recv_cb_called, |
| send_cb_called, |
| duration / 1000.0); |
| |
| MAKE_VALGRIND_HAPPY(); |
| return 0; |
| } |
| |
| |
| #define X(a, b) \ |
| BENCHMARK_IMPL(udp_pummel_##a##v##b) { \ |
| return pummel(a, b, 0); \ |
| } \ |
| BENCHMARK_IMPL(udp_timed_pummel_##a##v##b) { \ |
| return pummel(a, b, TEST_DURATION); \ |
| } |
| |
| X(1, 1) |
| X(1, 10) |
| X(1, 100) |
| X(1, 1000) |
| X(10, 10) |
| X(10, 100) |
| X(10, 1000) |
| X(100, 10) |
| X(100, 100) |
| X(100, 1000) |
| X(1000, 1000) |
| |
| #undef X |