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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 "task.h"
#include "uv.h"
/* Update this is you're going to run > 1000 concurrent requests. */
#define MAX_CONNS 1000
#undef NANOSEC
#define NANOSEC ((uint64_t)10e8)
#undef DEBUG
#define DEBUG 0
struct conn_rec_s;
typedef void (*setup_fn)(int num, void* arg);
typedef void (*make_connect_fn)(struct conn_rec_s* conn);
typedef int (*connect_fn)(int num, make_connect_fn make_connect, void* arg);
/* Base class for tcp_conn_rec and pipe_conn_rec.
* The ordering of fields matters!
*/
typedef struct conn_rec_s {
int i;
uv_connect_t conn_req;
uv_write_t write_req;
make_connect_fn make_connect;
uv_stream_t stream;
} conn_rec;
typedef struct {
int i;
uv_connect_t conn_req;
uv_write_t write_req;
make_connect_fn make_connect;
uv_tcp_t stream;
} tcp_conn_rec;
typedef struct {
int i;
uv_connect_t conn_req;
uv_write_t write_req;
make_connect_fn make_connect;
uv_pipe_t stream;
} pipe_conn_rec;
static char buffer[] = "QS";
static uv_loop_t* loop;
static tcp_conn_rec tcp_conns[MAX_CONNS];
static pipe_conn_rec pipe_conns[MAX_CONNS];
static uint64_t start; /* in ms */
static int closed_streams;
static int conns_failed;
static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size);
static void connect_cb(uv_connect_t* conn_req, int status);
static void read_cb(uv_stream_t* stream, ssize_t nread, uv_buf_t buf);
static void close_cb(uv_handle_t* handle);
static uv_buf_t alloc_cb(uv_handle_t* handle, size_t suggested_size) {
static char slab[65536];
uv_buf_t buf;
buf.base = slab;
buf.len = sizeof(slab);
return buf;
}
static void after_write(uv_write_t* req, int status) {
if (status != 0) {
fprintf(stderr, "write error %s\n", uv_err_name(uv_last_error(loop)));
uv_close((uv_handle_t*)req->handle, close_cb);
conns_failed++;
return;
}
}
static void connect_cb(uv_connect_t* req, int status) {
conn_rec* conn;
uv_buf_t buf;
int r;
if (status != 0) {
#if DEBUG
fprintf(stderr, "connect error %s\n", uv_err_name(uv_last_error()));
#endif
uv_close((uv_handle_t*)req->handle, close_cb);
conns_failed++;
return;
}
ASSERT(req != NULL);
ASSERT(status == 0);
conn = (conn_rec*)req->data;
ASSERT(conn != NULL);
#if DEBUG
printf("connect_cb %d\n", conn->i);
#endif
r = uv_read_start(&conn->stream, alloc_cb, read_cb);
ASSERT(r == 0);
buf.base = buffer;
buf.len = sizeof(buffer) - 1;
r = uv_write(&conn->write_req, &conn->stream, &buf, 1, after_write);
ASSERT(r == 0);
}
static void read_cb(uv_stream_t* stream, ssize_t nread, uv_buf_t buf) {
uv_err_t err = uv_last_error(loop);
ASSERT(stream != NULL);
#if DEBUG
printf("read_cb %d\n", p->i);
#endif
uv_close((uv_handle_t*)stream, close_cb);
if (nread == -1) {
if (err.code == UV_EOF) {
;
} else if (err.code == UV_ECONNRESET) {
conns_failed++;
} else {
fprintf(stderr, "read error %s\n", uv_err_name(uv_last_error(loop)));
ASSERT(0);
}
}
}
static void close_cb(uv_handle_t* handle) {
conn_rec* p = (conn_rec*)handle->data;
ASSERT(handle != NULL);
closed_streams++;
#if DEBUG
printf("close_cb %d\n", p->i);
#endif
if (uv_now(loop) - start < 10000) {
p->make_connect(p);
}
}
static void tcp_do_setup(int num, void* arg) {
int i;
for (i = 0; i < num; i++) {
tcp_conns[i].i = i;
}
}
static void pipe_do_setup(int num, void* arg) {
int i;
for (i = 0; i < num; i++) {
pipe_conns[i].i = i;
}
}
static void tcp_make_connect(conn_rec* p) {
struct sockaddr_in addr;
int r;
r = uv_tcp_init(loop, (uv_tcp_t*)&p->stream);
ASSERT(r == 0);
addr = uv_ip4_addr("127.0.0.1", TEST_PORT);
r = uv_tcp_connect(&((tcp_conn_rec*)p)->conn_req, (uv_tcp_t*)&p->stream, addr, connect_cb);
if (r) {
fprintf(stderr, "uv_tcp_connect error %s\n",
uv_err_name(uv_last_error(loop)));
ASSERT(0);
}
#if DEBUG
printf("make connect %d\n", p->i);
#endif
p->conn_req.data = p;
p->write_req.data = p;
p->stream.data = p;
}
static void pipe_make_connect(conn_rec* p) {
int r;
r = uv_pipe_init(loop, (uv_pipe_t*)&p->stream, 0);
ASSERT(r == 0);
uv_pipe_connect(&((pipe_conn_rec*)p)->conn_req, (uv_pipe_t*)&p->stream, TEST_PIPENAME, connect_cb);
#if DEBUG
printf("make connect %d\n", p->i);
#endif
p->conn_req.data = p;
p->write_req.data = p;
p->stream.data = p;
}
static int tcp_do_connect(int num, make_connect_fn make_connect, void* arg) {
int i;
for (i = 0; i < num; i++) {
tcp_make_connect((conn_rec*)&tcp_conns[i]);
tcp_conns[i].make_connect = make_connect;
}
return 0;
}
static int pipe_do_connect(int num, make_connect_fn make_connect, void* arg) {
int i;
for (i = 0; i < num; i++) {
pipe_make_connect((conn_rec*)&pipe_conns[i]);
pipe_conns[i].make_connect = make_connect;
}
return 0;
}
static int pound_it(int concurrency,
const char* type,
setup_fn do_setup,
connect_fn do_connect,
make_connect_fn make_connect,
void* arg) {
double secs;
int r;
uint64_t start_time; /* in ns */
uint64_t end_time;
loop = uv_default_loop();
uv_update_time(loop);
start = uv_now(loop);
/* Run benchmark for at least five seconds. */
start_time = uv_hrtime();
do_setup(concurrency, arg);
r = do_connect(concurrency, make_connect, arg);
ASSERT(!r);
uv_run(loop);
end_time = uv_hrtime();
/* Number of fractional seconds it took to run the benchmark. */
secs = (double)(end_time - start_time) / NANOSEC;
LOGF("%s-conn-pound-%d: %.0f accepts/s (%d failed)\n",
type,
concurrency,
closed_streams / secs,
conns_failed);
return 0;
}
BENCHMARK_IMPL(tcp4_pound_100) {
return pound_it(100, "tcp", tcp_do_setup, tcp_do_connect, tcp_make_connect, NULL);
}
BENCHMARK_IMPL(tcp4_pound_1000) {
return pound_it(1000, "tcp", tcp_do_setup, tcp_do_connect, tcp_make_connect, NULL);
}
BENCHMARK_IMPL(pipe_pound_100) {
return pound_it(100, "pipe", pipe_do_setup, pipe_do_connect, pipe_make_connect, NULL);
}
BENCHMARK_IMPL(pipe_pound_1000) {
return pound_it(1000, "pipe", pipe_do_setup, pipe_do_connect, pipe_make_connect, NULL);
}
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