tildefriends/deps/libuv/test/test-delayed-accept.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>
static int connection_cb_called = 0;
static int do_accept_called = 0;
static int close_cb_called = 0;
static int connect_cb_called = 0;
static void alloc_cb(uv_handle_t* handle, size_t size, uv_buf_t* buf) {
buf->base = malloc(size);
buf->len = size;
}
static void close_cb(uv_handle_t* handle) {
ASSERT_NOT_NULL(handle);
free(handle);
close_cb_called++;
}
static void do_accept(uv_timer_t* timer_handle) {
uv_tcp_t* server;
uv_tcp_t* accepted_handle = (uv_tcp_t*)malloc(sizeof *accepted_handle);
int r;
ASSERT_NOT_NULL(timer_handle);
ASSERT_NOT_NULL(accepted_handle);
r = uv_tcp_init(uv_default_loop(), accepted_handle);
ASSERT_OK(r);
server = (uv_tcp_t*)timer_handle->data;
r = uv_accept((uv_stream_t*)server, (uv_stream_t*)accepted_handle);
ASSERT_OK(r);
do_accept_called++;
/* Immediately close the accepted handle. */
uv_close((uv_handle_t*)accepted_handle, close_cb);
/* After accepting the two clients close the server handle */
if (do_accept_called == 2) {
uv_close((uv_handle_t*)server, close_cb);
}
/* Dispose the timer. */
uv_close((uv_handle_t*)timer_handle, close_cb);
}
static void connection_cb(uv_stream_t* tcp, int status) {
int r;
uv_timer_t* timer_handle;
ASSERT_OK(status);
timer_handle = (uv_timer_t*)malloc(sizeof *timer_handle);
ASSERT_NOT_NULL(timer_handle);
/* Accept the client after 1 second */
r = uv_timer_init(uv_default_loop(), timer_handle);
ASSERT_OK(r);
timer_handle->data = tcp;
r = uv_timer_start(timer_handle, do_accept, 1000, 0);
ASSERT_OK(r);
connection_cb_called++;
}
static void start_server(void) {
struct sockaddr_in addr;
uv_tcp_t* server = (uv_tcp_t*)malloc(sizeof *server);
int r;
ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
ASSERT_NOT_NULL(server);
r = uv_tcp_init(uv_default_loop(), server);
ASSERT_OK(r);
r = uv_tcp_bind(server, (const struct sockaddr*) &addr, 0);
ASSERT_OK(r);
r = uv_listen((uv_stream_t*)server, 128, connection_cb);
ASSERT_OK(r);
}
static void read_cb(uv_stream_t* tcp, ssize_t nread, const uv_buf_t* buf) {
/* The server will not send anything, it should close gracefully. */
if (buf->base) {
free(buf->base);
}
if (nread >= 0) {
ASSERT_OK(nread);
} else {
ASSERT_NOT_NULL(tcp);
ASSERT_EQ(nread, UV_EOF);
uv_close((uv_handle_t*)tcp, close_cb);
}
}
static void connect_cb(uv_connect_t* req, int status) {
int r;
ASSERT_NOT_NULL(req);
ASSERT_OK(status);
/* Not that the server will send anything, but otherwise we'll never know
* when the server closes the connection. */
r = uv_read_start((uv_stream_t*)(req->handle), alloc_cb, read_cb);
ASSERT_OK(r);
connect_cb_called++;
free(req);
}
static void client_connect(void) {
struct sockaddr_in addr;
uv_tcp_t* client = (uv_tcp_t*)malloc(sizeof *client);
uv_connect_t* connect_req = malloc(sizeof *connect_req);
int r;
ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
ASSERT_NOT_NULL(client);
ASSERT_NOT_NULL(connect_req);
r = uv_tcp_init(uv_default_loop(), client);
ASSERT_OK(r);
r = uv_tcp_connect(connect_req,
client,
(const struct sockaddr*) &addr,
connect_cb);
ASSERT_OK(r);
}
TEST_IMPL(delayed_accept) {
start_server();
client_connect();
client_connect();
uv_run(uv_default_loop(), UV_RUN_DEFAULT);
ASSERT_EQ(2, connection_cb_called);
ASSERT_EQ(2, do_accept_called);
ASSERT_EQ(2, connect_cb_called);
ASSERT_EQ(7, close_cb_called);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}