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