/* 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 #include #include #define EXPECTED "RANG TANG DING DONG I AM THE JAPANESE SANDMAN" #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 void alloc_cb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) { static char slab[65536]; ASSERT(suggested_size <= sizeof(slab)); buf->base = slab; buf->len = sizeof(slab); } static void send_cb(uv_udp_send_t* req, int status) { struct sender_state* s; ASSERT_NOT_NULL(req); if (status != 0) { ASSERT(status == 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), (const struct sockaddr*) &s->addr, send_cb)); send_cb_called++; } static void recv_cb(uv_udp_t* handle, ssize_t nread, const uv_buf_t* buf, const struct sockaddr* addr, unsigned flags) { if (nread == 0) return; if (nread < 0) { ASSERT(nread == 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_NOT_NULL(handle); close_cb_called++; } static void timeout_cb(uv_timer_t* timer) { 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; ASSERT(0 == uv_ip4_addr("0.0.0.0", BASE_PORT + i, &addr)); ASSERT(0 == uv_udp_init(loop, &s->udp_handle)); ASSERT(0 == uv_udp_bind(&s->udp_handle, (const struct sockaddr*) &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; ASSERT(0 == uv_ip4_addr("127.0.0.1", BASE_PORT + (i % n_receivers), &s->addr)); ASSERT(0 == uv_udp_init(loop, &s->udp_handle)); ASSERT(0 == uv_udp_send(&s->send_req, &s->udp_handle, bufs, ARRAY_SIZE(bufs), (const struct sockaddr*) &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(loop); 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