mirror of
https://github.com/libuv/libuv
synced 2025-03-28 21:13:16 +00:00
b2614a10a5
On some streams (notably TTYs), it is permitted to continue reading after getting EOF. So still stop reading on EOF, but allow the user to reset the stream and try to read again (which may just get EOF). This relaxes the constraint added in ce15b8405e9d01e221f8390475deab4a40d26e38. Refs: https://github.com/libuv/libuv/pull/3006
112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
/* Copyright the 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_loop_t loop;
|
|
static uv_tcp_t tcp_client;
|
|
static uv_connect_t connect_req;
|
|
static uv_write_t write_req;
|
|
static char close_me_cmd[] = {'Q', 'S'};
|
|
|
|
static int connect_cb_called;
|
|
static int read_cb_called;
|
|
static int write_cb_called;
|
|
static int close_cb_called;
|
|
|
|
static void write_cb(uv_write_t* req, int status) {
|
|
write_cb_called++;
|
|
ASSERT_EQ(status, 0);
|
|
}
|
|
|
|
static void alloc_cb(uv_handle_t* handle,
|
|
size_t suggested_size,
|
|
uv_buf_t* buf) {
|
|
static char slab[64];
|
|
buf->base = slab;
|
|
buf->len = sizeof(slab);
|
|
}
|
|
|
|
static void close_cb(uv_handle_t* handle) {
|
|
close_cb_called++;
|
|
}
|
|
|
|
static void read_cb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
|
|
int r;
|
|
|
|
ASSERT_EQ(nread, UV_EOF);
|
|
ASSERT_EQ(uv_is_readable(handle), 1);
|
|
ASSERT_EQ(uv_is_writable(handle), 1);
|
|
|
|
if (++read_cb_called == 3) {
|
|
uv_close((uv_handle_t*) handle, close_cb);
|
|
ASSERT_EQ(uv_is_readable(handle), 0);
|
|
ASSERT_EQ(uv_is_writable(handle), 0);
|
|
} else {
|
|
r = uv_read_start((uv_stream_t*) &tcp_client, alloc_cb, read_cb);
|
|
ASSERT_EQ(r, 0);
|
|
}
|
|
}
|
|
|
|
static void connect_cb(uv_connect_t* req, int status) {
|
|
int r;
|
|
uv_buf_t close_me;
|
|
|
|
connect_cb_called++;
|
|
ASSERT_EQ(status, 0);
|
|
|
|
read_cb((uv_stream_t*) &tcp_client, UV_EOF, NULL);
|
|
|
|
close_me = uv_buf_init(close_me_cmd, sizeof(close_me_cmd));
|
|
|
|
r = uv_write(&write_req,
|
|
(uv_stream_t*) &tcp_client,
|
|
&close_me,
|
|
1,
|
|
write_cb);
|
|
|
|
ASSERT_EQ(r, 0);
|
|
}
|
|
|
|
TEST_IMPL(readable_on_eof) {
|
|
struct sockaddr_in sa;
|
|
ASSERT_EQ(uv_ip4_addr("127.0.0.1", TEST_PORT, &sa), 0);
|
|
ASSERT_EQ(uv_loop_init(&loop), 0);
|
|
ASSERT_EQ(uv_tcp_init(&loop, &tcp_client), 0);
|
|
|
|
ASSERT_EQ(uv_tcp_connect(&connect_req,
|
|
&tcp_client,
|
|
(const struct sockaddr*) &sa,
|
|
connect_cb),
|
|
0);
|
|
|
|
ASSERT_EQ(uv_run(&loop, UV_RUN_DEFAULT), 0);
|
|
|
|
ASSERT_EQ(connect_cb_called, 1);
|
|
ASSERT_EQ(read_cb_called, 3);
|
|
ASSERT_EQ(write_cb_called, 1);
|
|
ASSERT_EQ(close_cb_called, 1);
|
|
|
|
MAKE_VALGRIND_HAPPY();
|
|
return 0;
|
|
}
|