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476 lines
10 KiB
476 lines
10 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 <math.h>
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#include <stdio.h>
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static int TARGET_CONNECTIONS;
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#define WRITE_BUFFER_SIZE 8192
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#define MAX_SIMULTANEOUS_CONNECTS 100
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#define PRINT_STATS 0
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#define STATS_INTERVAL 1000 /* msec */
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#define STATS_COUNT 5
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static void do_write(uv_stream_t*);
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static void maybe_connect_some();
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static uv_req_t* req_alloc();
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static void req_free(uv_req_t* uv_req);
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static void buf_alloc(uv_handle_t* handle, size_t size, uv_buf_t* buf);
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static void buf_free(const uv_buf_t* buf);
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static uv_loop_t* loop;
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static uv_tcp_t tcpServer;
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static uv_pipe_t pipeServer;
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static uv_stream_t* server;
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static struct sockaddr_in listen_addr;
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static struct sockaddr_in connect_addr;
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static int64_t start_time;
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static int max_connect_socket = 0;
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static int max_read_sockets = 0;
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static int read_sockets = 0;
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static int write_sockets = 0;
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static int64_t nrecv = 0;
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static int64_t nrecv_total = 0;
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static int64_t nsent = 0;
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static int64_t nsent_total = 0;
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static int stats_left = 0;
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static char write_buffer[WRITE_BUFFER_SIZE];
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/* Make this as large as you need. */
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#define MAX_WRITE_HANDLES 1000
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static stream_type type;
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static uv_tcp_t tcp_write_handles[MAX_WRITE_HANDLES];
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static uv_pipe_t pipe_write_handles[MAX_WRITE_HANDLES];
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static uv_timer_t timer_handle;
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static double gbit(int64_t bytes, int64_t passed_ms) {
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double gbits = ((double)bytes / (1024 * 1024 * 1024)) * 8;
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return gbits / ((double)passed_ms / 1000);
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}
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static void show_stats(uv_timer_t* handle) {
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int64_t diff;
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int i;
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#if PRINT_STATS
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fprintf(stderr, "connections: %d, write: %.1f gbit/s\n",
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write_sockets,
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gbit(nsent, STATS_INTERVAL));
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fflush(stderr);
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#endif
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/* Exit if the show is over */
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if (!--stats_left) {
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uv_update_time(loop);
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diff = uv_now(loop) - start_time;
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fprintf(stderr, "%s_pump%d_client: %.1f gbit/s\n",
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type == TCP ? "tcp" : "pipe",
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write_sockets,
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gbit(nsent_total, diff));
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fflush(stderr);
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for (i = 0; i < write_sockets; i++) {
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if (type == TCP)
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uv_close((uv_handle_t*) &tcp_write_handles[i], NULL);
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else
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uv_close((uv_handle_t*) &pipe_write_handles[i], NULL);
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}
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exit(0);
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}
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/* Reset read and write counters */
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nrecv = 0;
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nsent = 0;
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}
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static void read_show_stats(void) {
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int64_t diff;
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uv_update_time(loop);
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diff = uv_now(loop) - start_time;
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fprintf(stderr, "%s_pump%d_server: %.1f gbit/s\n",
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type == TCP ? "tcp" : "pipe",
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max_read_sockets,
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gbit(nrecv_total, diff));
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fflush(stderr);
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}
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static void read_sockets_close_cb(uv_handle_t* handle) {
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free(handle);
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read_sockets--;
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/* If it's past the first second and everyone has closed their connection
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* Then print stats.
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*/
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if (uv_now(loop) - start_time > 1000 && read_sockets == 0) {
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read_show_stats();
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uv_close((uv_handle_t*)server, NULL);
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}
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}
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static void start_stats_collection(void) {
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int r;
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/* Show-stats timer */
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stats_left = STATS_COUNT;
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r = uv_timer_init(loop, &timer_handle);
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ASSERT(r == 0);
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r = uv_timer_start(&timer_handle, show_stats, STATS_INTERVAL, STATS_INTERVAL);
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ASSERT(r == 0);
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uv_update_time(loop);
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start_time = uv_now(loop);
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}
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static void read_cb(uv_stream_t* stream, ssize_t bytes, const uv_buf_t* buf) {
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if (nrecv_total == 0) {
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ASSERT(start_time == 0);
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uv_update_time(loop);
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start_time = uv_now(loop);
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}
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if (bytes < 0) {
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uv_close((uv_handle_t*)stream, read_sockets_close_cb);
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return;
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}
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buf_free(buf);
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nrecv += bytes;
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nrecv_total += bytes;
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}
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static void write_cb(uv_write_t* req, int status) {
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ASSERT(status == 0);
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req_free((uv_req_t*) req);
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nsent += sizeof write_buffer;
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nsent_total += sizeof write_buffer;
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do_write((uv_stream_t*) req->handle);
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}
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static void do_write(uv_stream_t* stream) {
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uv_write_t* req;
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uv_buf_t buf;
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int r;
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buf.base = (char*) &write_buffer;
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buf.len = sizeof write_buffer;
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req = (uv_write_t*) req_alloc();
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r = uv_write(req, stream, &buf, 1, write_cb);
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ASSERT(r == 0);
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}
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static void connect_cb(uv_connect_t* req, int status) {
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int i;
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if (status) {
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fprintf(stderr, "%s", uv_strerror(status));
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fflush(stderr);
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}
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ASSERT(status == 0);
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write_sockets++;
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req_free((uv_req_t*) req);
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maybe_connect_some();
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if (write_sockets == TARGET_CONNECTIONS) {
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start_stats_collection();
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/* Yay! start writing */
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for (i = 0; i < write_sockets; i++) {
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if (type == TCP)
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do_write((uv_stream_t*) &tcp_write_handles[i]);
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else
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do_write((uv_stream_t*) &pipe_write_handles[i]);
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}
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}
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}
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static void maybe_connect_some(void) {
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uv_connect_t* req;
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uv_tcp_t* tcp;
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uv_pipe_t* pipe;
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int r;
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while (max_connect_socket < TARGET_CONNECTIONS &&
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max_connect_socket < write_sockets + MAX_SIMULTANEOUS_CONNECTS) {
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if (type == TCP) {
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tcp = &tcp_write_handles[max_connect_socket++];
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r = uv_tcp_init(loop, tcp);
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ASSERT(r == 0);
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req = (uv_connect_t*) req_alloc();
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r = uv_tcp_connect(req,
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tcp,
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(const struct sockaddr*) &connect_addr,
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connect_cb);
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ASSERT(r == 0);
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} else {
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pipe = &pipe_write_handles[max_connect_socket++];
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r = uv_pipe_init(loop, pipe, 0);
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ASSERT(r == 0);
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req = (uv_connect_t*) req_alloc();
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uv_pipe_connect(req, pipe, TEST_PIPENAME, connect_cb);
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}
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}
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}
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static void connection_cb(uv_stream_t* s, int status) {
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uv_stream_t* stream;
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int r;
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ASSERT(server == s);
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ASSERT(status == 0);
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if (type == TCP) {
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stream = (uv_stream_t*)malloc(sizeof(uv_tcp_t));
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r = uv_tcp_init(loop, (uv_tcp_t*)stream);
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ASSERT(r == 0);
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} else {
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stream = (uv_stream_t*)malloc(sizeof(uv_pipe_t));
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r = uv_pipe_init(loop, (uv_pipe_t*)stream, 0);
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ASSERT(r == 0);
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}
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r = uv_accept(s, stream);
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ASSERT(r == 0);
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r = uv_read_start(stream, buf_alloc, read_cb);
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ASSERT(r == 0);
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read_sockets++;
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max_read_sockets++;
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}
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/*
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* Request allocator
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*/
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typedef struct req_list_s {
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union uv_any_req uv_req;
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struct req_list_s* next;
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} req_list_t;
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static req_list_t* req_freelist = NULL;
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static uv_req_t* req_alloc(void) {
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req_list_t* req;
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req = req_freelist;
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if (req != NULL) {
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req_freelist = req->next;
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return (uv_req_t*) req;
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}
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req = (req_list_t*) malloc(sizeof *req);
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return (uv_req_t*) req;
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}
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static void req_free(uv_req_t* uv_req) {
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req_list_t* req = (req_list_t*) uv_req;
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req->next = req_freelist;
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req_freelist = req;
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}
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/*
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* Buffer allocator
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*/
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typedef struct buf_list_s {
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uv_buf_t uv_buf_t;
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struct buf_list_s* next;
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} buf_list_t;
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static buf_list_t* buf_freelist = NULL;
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static void buf_alloc(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
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buf_list_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_list_t* ab = (buf_list_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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HELPER_IMPL(tcp_pump_server) {
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int r;
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type = TCP;
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loop = uv_default_loop();
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ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &listen_addr));
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/* Server */
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server = (uv_stream_t*)&tcpServer;
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r = uv_tcp_init(loop, &tcpServer);
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ASSERT(r == 0);
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r = uv_tcp_bind(&tcpServer, (const struct sockaddr*) &listen_addr, 0);
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ASSERT(r == 0);
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r = uv_listen((uv_stream_t*)&tcpServer, MAX_WRITE_HANDLES, connection_cb);
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ASSERT(r == 0);
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uv_run(loop, UV_RUN_DEFAULT);
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return 0;
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}
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HELPER_IMPL(pipe_pump_server) {
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int r;
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type = PIPE;
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loop = uv_default_loop();
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/* Server */
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server = (uv_stream_t*)&pipeServer;
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r = uv_pipe_init(loop, &pipeServer, 0);
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ASSERT(r == 0);
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r = uv_pipe_bind(&pipeServer, TEST_PIPENAME);
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ASSERT(r == 0);
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r = uv_listen((uv_stream_t*)&pipeServer, MAX_WRITE_HANDLES, connection_cb);
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ASSERT(r == 0);
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uv_run(loop, UV_RUN_DEFAULT);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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static void tcp_pump(int n) {
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ASSERT(n <= MAX_WRITE_HANDLES);
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TARGET_CONNECTIONS = n;
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type = TCP;
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loop = uv_default_loop();
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ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &connect_addr));
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/* Start making connections */
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maybe_connect_some();
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uv_run(loop, UV_RUN_DEFAULT);
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MAKE_VALGRIND_HAPPY();
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}
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static void pipe_pump(int n) {
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ASSERT(n <= MAX_WRITE_HANDLES);
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TARGET_CONNECTIONS = n;
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type = PIPE;
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loop = uv_default_loop();
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/* Start making connections */
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maybe_connect_some();
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uv_run(loop, UV_RUN_DEFAULT);
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MAKE_VALGRIND_HAPPY();
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}
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BENCHMARK_IMPL(tcp_pump100_client) {
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tcp_pump(100);
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return 0;
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}
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BENCHMARK_IMPL(tcp_pump1_client) {
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tcp_pump(1);
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return 0;
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}
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BENCHMARK_IMPL(pipe_pump100_client) {
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pipe_pump(100);
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return 0;
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}
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BENCHMARK_IMPL(pipe_pump1_client) {
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pipe_pump(1);
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return 0;
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}
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