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247 lines
5.5 KiB
247 lines
5.5 KiB
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "task.h"
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#include "uv.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#define EXPECTED "RANG TANG DING DONG I AM THE JAPANESE SANDMAN" /* "Take eight!" */
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#define TEST_DURATION 5000 /* ms */
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#define MAX_SENDERS 1000
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#define MAX_RECEIVERS 1000
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#define BASE_PORT 12345
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static uv_loop_t* loop;
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static int n_senders_;
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static int n_receivers_;
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static uv_udp_t senders[MAX_SENDERS];
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static uv_udp_t receivers[MAX_RECEIVERS];
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static uv_buf_t bufs[5];
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static int send_cb_called;
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static int recv_cb_called;
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static int close_cb_called;
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static int stopping = 0;
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typedef struct {
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struct sockaddr_in addr;
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} sender_state_t;
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static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) {
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static char slab[65536];
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ASSERT(suggested_size <= sizeof slab);
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return uv_buf_init(slab, sizeof slab);
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}
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static void send_cb(uv_udp_send_t* req, int status) {
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sender_state_t* ss;
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int r;
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if (stopping) {
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return;
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}
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ASSERT(req != NULL);
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ASSERT(status == 0);
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ss = req->data;
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r = uv_udp_send(req, req->handle, bufs, ARRAY_SIZE(bufs), ss->addr, send_cb);
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ASSERT(r == 0);
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req->data = ss;
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send_cb_called++;
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}
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static void recv_cb(uv_udp_t* handle,
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ssize_t nread,
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uv_buf_t buf,
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struct sockaddr* addr,
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unsigned flags) {
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if (nread == 0)
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return;
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if (nread == -1) {
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ASSERT(uv_last_error(loop).code == UV_ECANCELED);
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return;
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}
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ASSERT(addr->sa_family == AF_INET);
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ASSERT(!memcmp(buf.base, EXPECTED, nread));
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recv_cb_called++;
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}
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static void close_cb(uv_handle_t* handle) {
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ASSERT(handle != NULL);
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close_cb_called++;
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}
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static void timeout_cb(uv_timer_t* timer, int status) {
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int i;
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stopping = 1;
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for (i = 0; i < n_senders_; i++)
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uv_close((uv_handle_t*)&senders[i], close_cb);
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for (i = 0; i < n_receivers_; i++)
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uv_close((uv_handle_t*)&receivers[i], close_cb);
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}
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static int do_packet_storm(int n_senders, int n_receivers) {
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uv_timer_t timeout;
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sender_state_t *ss;
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uv_udp_send_t* req;
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uv_udp_t* handle;
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int i;
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int r;
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ASSERT(n_senders <= MAX_SENDERS);
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ASSERT(n_receivers <= MAX_RECEIVERS);
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loop = uv_default_loop();
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n_senders_ = n_senders;
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n_receivers_ = n_receivers;
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r = uv_timer_init(loop, &timeout);
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ASSERT(r == 0);
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r = uv_timer_start(&timeout, timeout_cb, TEST_DURATION, 0);
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ASSERT(r == 0);
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/* Timer should not keep loop alive. */
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uv_unref((uv_handle_t*)&timeout);
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for (i = 0; i < n_receivers; i++) {
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struct sockaddr_in addr;
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handle = &receivers[i];
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r = uv_udp_init(loop, handle);
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ASSERT(r == 0);
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addr = uv_ip4_addr("0.0.0.0", BASE_PORT + i);
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r = uv_udp_bind(handle, addr, 0);
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ASSERT(r == 0);
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r = uv_udp_recv_start(handle, alloc_cb, recv_cb);
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ASSERT(r == 0);
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}
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bufs[0] = uv_buf_init(EXPECTED + 0, 10);
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bufs[1] = uv_buf_init(EXPECTED + 10, 10);
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bufs[2] = uv_buf_init(EXPECTED + 20, 10);
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bufs[3] = uv_buf_init(EXPECTED + 30, 10);
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bufs[4] = uv_buf_init(EXPECTED + 40, 5);
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for (i = 0; i < n_senders; i++) {
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handle = &senders[i];
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r = uv_udp_init(loop, handle);
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ASSERT(r == 0);
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req = malloc(sizeof(*req) + sizeof(*ss));
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ss = (void*)(req + 1);
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ss->addr = uv_ip4_addr("127.0.0.1", BASE_PORT + (i % n_receivers));
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r = uv_udp_send(req, handle, bufs, ARRAY_SIZE(bufs), ss->addr, send_cb);
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ASSERT(r == 0);
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req->data = ss;
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}
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uv_run(loop);
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printf("udp_packet_storm_%dv%d: %.0f/s received, %.0f/s sent\n",
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n_receivers,
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n_senders,
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recv_cb_called / (TEST_DURATION / 1000.0),
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send_cb_called / (TEST_DURATION / 1000.0));
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return 0;
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}
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BENCHMARK_IMPL(udp_packet_storm_1v1) {
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return do_packet_storm(1, 1);
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}
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BENCHMARK_IMPL(udp_packet_storm_1v10) {
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return do_packet_storm(1, 10);
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}
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BENCHMARK_IMPL(udp_packet_storm_1v100) {
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return do_packet_storm(1, 100);
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}
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BENCHMARK_IMPL(udp_packet_storm_1v1000) {
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return do_packet_storm(1, 1000);
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}
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BENCHMARK_IMPL(udp_packet_storm_10v10) {
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return do_packet_storm(10, 10);
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}
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BENCHMARK_IMPL(udp_packet_storm_10v100) {
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return do_packet_storm(10, 100);
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}
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BENCHMARK_IMPL(udp_packet_storm_10v1000) {
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return do_packet_storm(10, 1000);
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}
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BENCHMARK_IMPL(udp_packet_storm_100v100) {
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return do_packet_storm(100, 100);
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}
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BENCHMARK_IMPL(udp_packet_storm_100v1000) {
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return do_packet_storm(100, 1000);
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}
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BENCHMARK_IMPL(udp_packet_storm_1000v1000) {
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return do_packet_storm(1000, 1000);
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}
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