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221 lines
5.1 KiB
221 lines
5.1 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 "uv.h" |
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#include "task.h" |
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#include <stdlib.h> |
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#include <stdio.h> |
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/* Run the benchmark for this many ms */ |
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#define TIME 5000 |
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typedef struct { |
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int pongs; |
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int state; |
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uv_tcp_t tcp; |
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uv_connect_t connect_req; |
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uv_shutdown_t shutdown_req; |
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} pinger_t; |
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typedef struct buf_s { |
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uv_buf_t uv_buf_t; |
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struct buf_s* next; |
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} buf_t; |
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static char PING[] = "PING\n"; |
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static uv_loop_t* loop; |
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static buf_t* buf_freelist = NULL; |
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static int pinger_shutdown_cb_called; |
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static int completed_pingers = 0; |
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static int64_t start_time; |
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static void buf_alloc(uv_handle_t* tcp, size_t size, uv_buf_t* buf) { |
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buf_t* ab; |
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ab = buf_freelist; |
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if (ab != NULL) |
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buf_freelist = ab->next; |
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else { |
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ab = malloc(size + sizeof(*ab)); |
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ab->uv_buf_t.len = size; |
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ab->uv_buf_t.base = (char*) (ab + 1); |
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} |
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*buf = ab->uv_buf_t; |
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} |
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static void buf_free(const uv_buf_t* buf) { |
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buf_t* ab = (buf_t*) buf->base - 1; |
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ab->next = buf_freelist; |
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buf_freelist = ab; |
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} |
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static void pinger_close_cb(uv_handle_t* handle) { |
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pinger_t* pinger; |
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pinger = (pinger_t*)handle->data; |
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fprintf(stderr, "ping_pongs: %d roundtrips/s\n", (1000 * pinger->pongs) / TIME); |
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fflush(stderr); |
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free(pinger); |
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completed_pingers++; |
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} |
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static void pinger_write_cb(uv_write_t* req, int status) { |
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ASSERT(status == 0); |
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free(req); |
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} |
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static void pinger_write_ping(pinger_t* pinger) { |
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uv_write_t* req; |
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uv_buf_t buf; |
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buf = uv_buf_init(PING, sizeof(PING) - 1); |
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req = malloc(sizeof *req); |
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if (uv_write(req, (uv_stream_t*) &pinger->tcp, &buf, 1, pinger_write_cb)) { |
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FATAL("uv_write failed"); |
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} |
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} |
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static void pinger_shutdown_cb(uv_shutdown_t* req, int status) { |
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ASSERT(status == 0); |
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pinger_shutdown_cb_called++; |
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/* |
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* The close callback has not been triggered yet. We must wait for EOF |
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* until we close the connection. |
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*/ |
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ASSERT(completed_pingers == 0); |
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} |
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static void pinger_read_cb(uv_stream_t* tcp, |
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ssize_t nread, |
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const uv_buf_t* buf) { |
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ssize_t i; |
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pinger_t* pinger; |
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pinger = (pinger_t*)tcp->data; |
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if (nread < 0) { |
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ASSERT(nread == UV_EOF); |
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if (buf->base) { |
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buf_free(buf); |
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} |
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ASSERT(pinger_shutdown_cb_called == 1); |
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uv_close((uv_handle_t*)tcp, pinger_close_cb); |
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return; |
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} |
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/* Now we count the pings */ |
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for (i = 0; i < nread; i++) { |
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ASSERT(buf->base[i] == PING[pinger->state]); |
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pinger->state = (pinger->state + 1) % (sizeof(PING) - 1); |
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if (pinger->state == 0) { |
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pinger->pongs++; |
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if (uv_now(loop) - start_time > TIME) { |
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uv_shutdown(&pinger->shutdown_req, |
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(uv_stream_t*) tcp, |
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pinger_shutdown_cb); |
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break; |
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} else { |
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pinger_write_ping(pinger); |
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} |
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} |
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} |
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buf_free(buf); |
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} |
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static void pinger_connect_cb(uv_connect_t* req, int status) { |
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pinger_t *pinger = (pinger_t*)req->handle->data; |
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ASSERT(status == 0); |
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pinger_write_ping(pinger); |
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if (uv_read_start(req->handle, buf_alloc, pinger_read_cb)) { |
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FATAL("uv_read_start failed"); |
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} |
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} |
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static void pinger_new(void) { |
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struct sockaddr_in client_addr; |
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struct sockaddr_in server_addr; |
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pinger_t *pinger; |
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int r; |
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ASSERT(0 == uv_ip4_addr("0.0.0.0", 0, &client_addr)); |
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &server_addr)); |
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pinger = malloc(sizeof(*pinger)); |
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pinger->state = 0; |
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pinger->pongs = 0; |
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/* Try to connect to the server and do NUM_PINGS ping-pongs. */ |
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r = uv_tcp_init(loop, &pinger->tcp); |
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ASSERT(!r); |
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pinger->tcp.data = pinger; |
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ASSERT(0 == uv_tcp_bind(&pinger->tcp, |
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(const struct sockaddr*) &client_addr, |
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0)); |
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r = uv_tcp_connect(&pinger->connect_req, |
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&pinger->tcp, |
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(const struct sockaddr*) &server_addr, |
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pinger_connect_cb); |
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ASSERT(!r); |
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} |
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BENCHMARK_IMPL(ping_pongs) { |
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loop = uv_default_loop(); |
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start_time = uv_now(loop); |
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pinger_new(); |
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uv_run(loop, UV_RUN_DEFAULT); |
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ASSERT(completed_pingers == 1); |
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MAKE_VALGRIND_HAPPY(); |
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return 0; |
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}
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