tildefriends/deps/libuv/test/benchmark-tcp-write-batch.c

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/* 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 "uv.h"
#include "task.h"
#include <stdio.h>
#include <stdlib.h>
#define WRITE_REQ_DATA "Hello, world."
#define NUM_WRITE_REQS (1000 * 1000)
typedef struct {
uv_write_t req;
uv_buf_t buf;
} write_req;
static write_req* write_reqs;
static uv_tcp_t tcp_client;
static uv_connect_t connect_req;
static uv_shutdown_t shutdown_req;
static int shutdown_cb_called = 0;
static int connect_cb_called = 0;
static int write_cb_called = 0;
static int close_cb_called = 0;
static void connect_cb(uv_connect_t* req, int status);
static void write_cb(uv_write_t* req, int status);
static void shutdown_cb(uv_shutdown_t* req, int status);
static void close_cb(uv_handle_t* handle);
static void connect_cb(uv_connect_t* req, int status) {
write_req* w;
int i;
int r;
ASSERT(req->handle == (uv_stream_t*)&tcp_client);
for (i = 0; i < NUM_WRITE_REQS; i++) {
w = &write_reqs[i];
r = uv_write(&w->req, req->handle, &w->buf, 1, write_cb);
ASSERT(r == 0);
}
r = uv_shutdown(&shutdown_req, req->handle, shutdown_cb);
ASSERT(r == 0);
connect_cb_called++;
}
static void write_cb(uv_write_t* req, int status) {
ASSERT_NOT_NULL(req);
ASSERT(status == 0);
write_cb_called++;
}
static void shutdown_cb(uv_shutdown_t* req, int status) {
ASSERT(req->handle == (uv_stream_t*)&tcp_client);
ASSERT(req->handle->write_queue_size == 0);
uv_close((uv_handle_t*)req->handle, close_cb);
free(write_reqs);
shutdown_cb_called++;
}
static void close_cb(uv_handle_t* handle) {
ASSERT(handle == (uv_handle_t*)&tcp_client);
close_cb_called++;
}
BENCHMARK_IMPL(tcp_write_batch) {
struct sockaddr_in addr;
uv_loop_t* loop;
uint64_t start;
uint64_t stop;
int i;
int r;
write_reqs = malloc(sizeof(*write_reqs) * NUM_WRITE_REQS);
ASSERT_NOT_NULL(write_reqs);
/* Prepare the data to write out. */
for (i = 0; i < NUM_WRITE_REQS; i++) {
write_reqs[i].buf = uv_buf_init(WRITE_REQ_DATA,
sizeof(WRITE_REQ_DATA) - 1);
}
loop = uv_default_loop();
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
r = uv_tcp_init(loop, &tcp_client);
ASSERT(r == 0);
r = uv_tcp_connect(&connect_req,
&tcp_client,
(const struct sockaddr*) &addr,
connect_cb);
ASSERT(r == 0);
start = uv_hrtime();
r = uv_run(loop, UV_RUN_DEFAULT);
ASSERT(r == 0);
stop = uv_hrtime();
ASSERT(connect_cb_called == 1);
ASSERT(write_cb_called == NUM_WRITE_REQS);
ASSERT(shutdown_cb_called == 1);
ASSERT(close_cb_called == 1);
printf("%ld write requests in %.2fs.\n",
(long)NUM_WRITE_REQS,
(stop - start) / 1e9);
MAKE_VALGRIND_HAPPY();
return 0;
}