tildefriends/deps/libuv/test/test-tcp-read-stop-start.c

137 lines
3.8 KiB
C
Raw Normal View History

/* Copyright libuv project 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"
static uv_tcp_t server;
static uv_tcp_t connection;
static int read_cb_called = 0;
static uv_tcp_t client;
static uv_connect_t connect_req;
static void on_read2(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf);
static void on_write_close_immediately(uv_write_t* req, int status) {
ASSERT(0 == status);
uv_close((uv_handle_t*)req->handle, NULL); /* Close immediately */
free(req);
}
static void on_write(uv_write_t* req, int status) {
ASSERT(0 == status);
free(req);
}
static void do_write(uv_stream_t* stream, uv_write_cb cb) {
uv_write_t* req = malloc(sizeof(*req));
uv_buf_t buf;
buf.base = "1234578";
buf.len = 8;
ASSERT(0 == uv_write(req, stream, &buf, 1, cb));
}
static void on_alloc(uv_handle_t* handle,
size_t suggested_size,
uv_buf_t* buf) {
static char slab[65536];
buf->base = slab;
buf->len = sizeof(slab);
}
static void on_read1(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
ASSERT(nread >= 0);
/* Do write on a half open connection to force WSAECONNABORTED (on Windows)
* in the subsequent uv_read_start()
*/
do_write(stream, on_write);
ASSERT(0 == uv_read_stop(stream));
ASSERT(0 == uv_read_start(stream, on_alloc, on_read2));
read_cb_called++;
}
static void on_read2(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
ASSERT(nread < 0);
uv_close((uv_handle_t*)stream, NULL);
uv_close((uv_handle_t*)&server, NULL);
read_cb_called++;
}
static void on_connection(uv_stream_t* server, int status) {
ASSERT(0 == status);
ASSERT(0 == uv_tcp_init(server->loop, &connection));
ASSERT(0 == uv_accept(server, (uv_stream_t* )&connection));
ASSERT(0 == uv_read_start((uv_stream_t*)&connection, on_alloc, on_read1));
}
static void on_connect(uv_connect_t* req, int status) {
ASSERT(0 == status);
do_write((uv_stream_t*)&client, on_write_close_immediately);
}
TEST_IMPL(tcp_read_stop_start) {
uv_loop_t* loop = uv_default_loop();
{ /* Server */
struct sockaddr_in addr;
ASSERT(0 == uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
ASSERT(0 == uv_tcp_init(loop, &server));
ASSERT(0 == uv_tcp_bind(&server, (struct sockaddr*) & addr, 0));
ASSERT(0 == uv_listen((uv_stream_t*)&server, 10, on_connection));
}
{ /* Client */
struct sockaddr_in addr;
ASSERT(0 == uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
ASSERT(0 == uv_tcp_init(loop, &client));
ASSERT(0 == uv_tcp_connect(&connect_req, &client,
(const struct sockaddr*) & addr, on_connect));
}
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(read_cb_called >= 2);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}