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432 lines
13 KiB
432 lines
13 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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#define IPC_PIPE_NAME TEST_PIPENAME
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#define NUM_CONNECTS (250 * 1000)
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union stream_handle {
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uv_pipe_t pipe;
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uv_tcp_t tcp;
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};
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/* Use as (uv_stream_t *) &handle_storage -- it's kind of clunky but it
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* avoids aliasing warnings.
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*/
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typedef unsigned char handle_storage_t[sizeof(union stream_handle)];
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/* Used for passing around the listen handle, not part of the benchmark proper.
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* We have an overabundance of server types here. It works like this:
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*
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* 1. The main thread starts an IPC pipe server.
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* 2. The worker threads connect to the IPC server and obtain a listen handle.
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* 3. The worker threads start accepting requests on the listen handle.
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* 4. The main thread starts connecting repeatedly.
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*
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* Step #4 should perhaps be farmed out over several threads.
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*/
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struct ipc_server_ctx {
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handle_storage_t server_handle;
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unsigned int num_connects;
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uv_pipe_t ipc_pipe;
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};
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struct ipc_peer_ctx {
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handle_storage_t peer_handle;
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uv_write_t write_req;
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};
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struct ipc_client_ctx {
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uv_connect_t connect_req;
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uv_stream_t* server_handle;
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uv_pipe_t ipc_pipe;
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char scratch[16];
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};
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/* Used in the actual benchmark. */
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struct server_ctx {
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handle_storage_t server_handle;
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unsigned int num_connects;
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uv_async_t async_handle;
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uv_thread_t thread_id;
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uv_sem_t semaphore;
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};
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struct client_ctx {
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handle_storage_t client_handle;
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unsigned int num_connects;
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uv_connect_t connect_req;
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uv_idle_t idle_handle;
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};
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static void ipc_connection_cb(uv_stream_t* ipc_pipe, int status);
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static void ipc_write_cb(uv_write_t* req, int status);
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static void ipc_close_cb(uv_handle_t* handle);
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static void ipc_connect_cb(uv_connect_t* req, int status);
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static void ipc_read2_cb(uv_pipe_t* ipc_pipe,
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ssize_t nread,
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uv_buf_t buf,
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uv_handle_type type);
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static uv_buf_t ipc_alloc_cb(uv_handle_t* handle, size_t suggested_size);
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static void sv_async_cb(uv_async_t* handle, int status);
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static void sv_connection_cb(uv_stream_t* server_handle, int status);
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static void sv_read_cb(uv_stream_t* handle, ssize_t nread, uv_buf_t buf);
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static uv_buf_t sv_alloc_cb(uv_handle_t* handle, size_t suggested_size);
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static void cl_connect_cb(uv_connect_t* req, int status);
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static void cl_idle_cb(uv_idle_t* handle, int status);
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static void cl_close_cb(uv_handle_t* handle);
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static struct sockaddr_in listen_addr;
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static void ipc_connection_cb(uv_stream_t* ipc_pipe, int status) {
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struct ipc_server_ctx* sc;
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struct ipc_peer_ctx* pc;
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uv_loop_t* loop;
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uv_buf_t buf;
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loop = ipc_pipe->loop;
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buf = uv_buf_init("PING", 4);
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sc = container_of(ipc_pipe, struct ipc_server_ctx, ipc_pipe);
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pc = calloc(1, sizeof(*pc));
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ASSERT(pc != NULL);
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if (ipc_pipe->type == UV_TCP)
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ASSERT(0 == uv_tcp_init(loop, (uv_tcp_t*) &pc->peer_handle));
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else if (ipc_pipe->type == UV_NAMED_PIPE)
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ASSERT(0 == uv_pipe_init(loop, (uv_pipe_t*) &pc->peer_handle, 1));
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else
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ASSERT(0);
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ASSERT(0 == uv_accept(ipc_pipe, (uv_stream_t*) &pc->peer_handle));
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ASSERT(0 == uv_write2(&pc->write_req,
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(uv_stream_t*) &pc->peer_handle,
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&buf,
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1,
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(uv_stream_t*) &sc->server_handle,
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ipc_write_cb));
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if (--sc->num_connects == 0)
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uv_close((uv_handle_t*) ipc_pipe, NULL);
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}
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static void ipc_write_cb(uv_write_t* req, int status) {
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struct ipc_peer_ctx* ctx;
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ctx = container_of(req, struct ipc_peer_ctx, write_req);
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uv_close((uv_handle_t*) &ctx->peer_handle, ipc_close_cb);
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}
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static void ipc_close_cb(uv_handle_t* handle) {
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struct ipc_peer_ctx* ctx;
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ctx = container_of(handle, struct ipc_peer_ctx, peer_handle);
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free(ctx);
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}
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static void ipc_connect_cb(uv_connect_t* req, int status) {
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struct ipc_client_ctx* ctx;
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ctx = container_of(req, struct ipc_client_ctx, connect_req);
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ASSERT(0 == status);
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ASSERT(0 == uv_read2_start((uv_stream_t*) &ctx->ipc_pipe,
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ipc_alloc_cb,
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ipc_read2_cb));
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}
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static uv_buf_t ipc_alloc_cb(uv_handle_t* handle, size_t suggested_size) {
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struct ipc_client_ctx* ctx;
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ctx = container_of(handle, struct ipc_client_ctx, ipc_pipe);
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return uv_buf_init(ctx->scratch, sizeof(ctx->scratch));
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}
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static void ipc_read2_cb(uv_pipe_t* ipc_pipe,
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ssize_t nread,
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uv_buf_t buf,
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uv_handle_type type) {
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struct ipc_client_ctx* ctx;
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uv_loop_t* loop;
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ctx = container_of(ipc_pipe, struct ipc_client_ctx, ipc_pipe);
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loop = ipc_pipe->loop;
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if (type == UV_TCP)
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ASSERT(0 == uv_tcp_init(loop, (uv_tcp_t*) ctx->server_handle));
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else if (type == UV_NAMED_PIPE)
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ASSERT(0 == uv_pipe_init(loop, (uv_pipe_t*) ctx->server_handle, 0));
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else
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ASSERT(0);
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ASSERT(0 == uv_accept((uv_stream_t*) &ctx->ipc_pipe, ctx->server_handle));
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uv_close((uv_handle_t*) &ctx->ipc_pipe, NULL);
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}
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/* Set up an IPC pipe server that hands out listen sockets to the worker
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* threads. It's kind of cumbersome for such a simple operation, maybe we
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* should revive uv_import() and uv_export().
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*/
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static void send_listen_handles(uv_handle_type type,
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unsigned int num_servers,
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struct server_ctx* servers) {
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struct ipc_server_ctx ctx;
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uv_loop_t* loop;
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unsigned int i;
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loop = uv_default_loop();
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ctx.num_connects = num_servers;
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if (type == UV_TCP) {
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ASSERT(0 == uv_tcp_init(loop, (uv_tcp_t*) &ctx.server_handle));
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ASSERT(0 == uv_tcp_bind((uv_tcp_t*) &ctx.server_handle, listen_addr));
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}
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else
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ASSERT(0);
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ASSERT(0 == uv_pipe_init(loop, &ctx.ipc_pipe, 1));
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ASSERT(0 == uv_pipe_bind(&ctx.ipc_pipe, IPC_PIPE_NAME));
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ASSERT(0 == uv_listen((uv_stream_t*) &ctx.ipc_pipe, 128, ipc_connection_cb));
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for (i = 0; i < num_servers; i++)
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uv_sem_post(&servers[i].semaphore);
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ASSERT(0 == uv_run(loop));
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uv_close((uv_handle_t*) &ctx.server_handle, NULL);
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ASSERT(0 == uv_run(loop));
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for (i = 0; i < num_servers; i++)
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uv_sem_wait(&servers[i].semaphore);
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}
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static void get_listen_handle(uv_loop_t* loop, uv_stream_t* server_handle) {
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struct ipc_client_ctx ctx;
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ctx.server_handle = server_handle;
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ctx.server_handle->data = "server handle";
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ASSERT(0 == uv_pipe_init(loop, &ctx.ipc_pipe, 1));
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uv_pipe_connect(&ctx.connect_req,
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&ctx.ipc_pipe,
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IPC_PIPE_NAME,
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ipc_connect_cb);
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ASSERT(0 == uv_run(loop));
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}
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static void server_cb(void *arg) {
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struct server_ctx *ctx;
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uv_loop_t* loop;
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ctx = arg;
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loop = uv_loop_new();
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ASSERT(loop != NULL);
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ASSERT(0 == uv_async_init(loop, &ctx->async_handle, sv_async_cb));
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uv_unref((uv_handle_t*) &ctx->async_handle);
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/* Wait until the main thread is ready. */
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uv_sem_wait(&ctx->semaphore);
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get_listen_handle(loop, (uv_stream_t*) &ctx->server_handle);
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uv_sem_post(&ctx->semaphore);
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/* Now start the actual benchmark. */
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ASSERT(0 == uv_listen((uv_stream_t*) &ctx->server_handle,
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128,
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sv_connection_cb));
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ASSERT(0 == uv_run(loop));
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uv_loop_delete(loop);
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}
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static void sv_async_cb(uv_async_t* handle, int status) {
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struct server_ctx* ctx;
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ctx = container_of(handle, struct server_ctx, async_handle);
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uv_close((uv_handle_t*) &ctx->server_handle, NULL);
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uv_close((uv_handle_t*) &ctx->async_handle, NULL);
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}
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static void sv_connection_cb(uv_stream_t* server_handle, int status) {
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handle_storage_t* storage;
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struct server_ctx* ctx;
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ctx = container_of(server_handle, struct server_ctx, server_handle);
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ASSERT(status == 0);
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storage = malloc(sizeof(*storage));
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ASSERT(storage != NULL);
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if (server_handle->type == UV_TCP)
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ASSERT(0 == uv_tcp_init(server_handle->loop, (uv_tcp_t*) storage));
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else if (server_handle->type == UV_NAMED_PIPE)
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ASSERT(0 == uv_pipe_init(server_handle->loop, (uv_pipe_t*) storage, 0));
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else
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ASSERT(0);
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ASSERT(0 == uv_accept(server_handle, (uv_stream_t*) storage));
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ASSERT(0 == uv_read_start((uv_stream_t*) storage, sv_alloc_cb, sv_read_cb));
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ctx->num_connects++;
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}
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static uv_buf_t sv_alloc_cb(uv_handle_t* handle, size_t suggested_size) {
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static char buf[32];
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return uv_buf_init(buf, sizeof(buf));
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}
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static void sv_read_cb(uv_stream_t* handle, ssize_t nread, uv_buf_t buf) {
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ASSERT(nread == -1);
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ASSERT(uv_last_error(handle->loop).code == UV_EOF);
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uv_close((uv_handle_t*) handle, (uv_close_cb) free);
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}
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static void cl_connect_cb(uv_connect_t* req, int status) {
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struct client_ctx* ctx = container_of(req, struct client_ctx, connect_req);
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uv_idle_start(&ctx->idle_handle, cl_idle_cb);
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ASSERT(0 == status);
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}
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static void cl_idle_cb(uv_idle_t* handle, int status) {
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struct client_ctx* ctx = container_of(handle, struct client_ctx, idle_handle);
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uv_close((uv_handle_t*) &ctx->client_handle, cl_close_cb);
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uv_idle_stop(&ctx->idle_handle);
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}
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static void cl_close_cb(uv_handle_t* handle) {
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struct client_ctx* ctx;
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ctx = container_of(handle, struct client_ctx, client_handle);
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if (--ctx->num_connects == 0) {
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uv_close((uv_handle_t*) &ctx->idle_handle, NULL);
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return;
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}
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ASSERT(0 == uv_tcp_init(handle->loop, (uv_tcp_t*) &ctx->client_handle));
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ASSERT(0 == uv_tcp_connect(&ctx->connect_req,
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(uv_tcp_t*) &ctx->client_handle,
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listen_addr,
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cl_connect_cb));
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}
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static int test_tcp(unsigned int num_servers, unsigned int num_clients) {
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struct server_ctx* servers;
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struct client_ctx* clients;
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uv_loop_t* loop;
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uv_tcp_t* handle;
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unsigned int i;
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double time;
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listen_addr = uv_ip4_addr("127.0.0.1", TEST_PORT);
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loop = uv_default_loop();
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servers = calloc(num_servers, sizeof(servers[0]));
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clients = calloc(num_clients, sizeof(clients[0]));
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ASSERT(servers != NULL);
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ASSERT(clients != NULL);
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/* We're making the assumption here that from the perspective of the
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* OS scheduler, threads are functionally equivalent to and interchangeable
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* with full-blown processes.
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*/
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for (i = 0; i < num_servers; i++) {
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struct server_ctx* ctx = servers + i;
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ASSERT(0 == uv_sem_init(&ctx->semaphore, 0));
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ASSERT(0 == uv_thread_create(&ctx->thread_id, server_cb, ctx));
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}
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send_listen_handles(UV_TCP, num_servers, servers);
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for (i = 0; i < num_clients; i++) {
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struct client_ctx* ctx = clients + i;
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ctx->num_connects = NUM_CONNECTS / num_clients;
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handle = (uv_tcp_t*) &ctx->client_handle;
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handle->data = "client handle";
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ASSERT(0 == uv_tcp_init(loop, handle));
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ASSERT(0 == uv_tcp_connect(&ctx->connect_req,
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handle,
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listen_addr,
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cl_connect_cb));
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ASSERT(0 == uv_idle_init(loop, &ctx->idle_handle));
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}
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{
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uint64_t t = uv_hrtime();
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ASSERT(0 == uv_run(loop));
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t = uv_hrtime() - t;
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time = t / 1e9;
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}
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for (i = 0; i < num_servers; i++) {
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struct server_ctx* ctx = servers + i;
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uv_async_send(&ctx->async_handle);
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ASSERT(0 == uv_thread_join(&ctx->thread_id));
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uv_sem_destroy(&ctx->semaphore);
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}
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printf("accept%u: %.0f accepts/sec (%u total)\n",
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num_servers,
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NUM_CONNECTS / time,
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NUM_CONNECTS);
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for (i = 0; i < num_servers; i++) {
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struct server_ctx* ctx = servers + i;
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printf(" thread #%u: %.0f accepts/sec (%u total, %.1f%%)\n",
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i,
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ctx->num_connects / time,
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ctx->num_connects,
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ctx->num_connects * 100.0 / NUM_CONNECTS);
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}
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free(clients);
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free(servers);
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MAKE_VALGRIND_HAPPY();
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return 0;
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}
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BENCHMARK_IMPL(tcp_multi_accept2) {
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return test_tcp(2, 40);
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}
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BENCHMARK_IMPL(tcp_multi_accept4) {
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return test_tcp(4, 40);
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}
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BENCHMARK_IMPL(tcp_multi_accept8) {
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return test_tcp(8, 40);
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}
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