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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 <string.h>
#include <fcntl.h>
static uv_fs_event_t fs_event;
static uv_timer_t timer;
static int timer_cb_called = 0;
static int close_cb_called = 0;
static int fs_event_cb_called = 0;
static int timer_cb_touch_called = 0;
static void create_dir(uv_loop_t* loop, const char* name) {
int r;
uv_fs_t req;
r = uv_fs_mkdir(loop, &req, name, 0755, NULL);
ASSERT(r == 0 || uv_last_error(loop).code == UV_EEXIST);
uv_fs_req_cleanup(&req);
}
static void create_file(uv_loop_t* loop, const char* name) {
int r;
uv_file file;
uv_fs_t req;
r = uv_fs_open(loop, &req, name, O_WRONLY | O_CREAT,
S_IWRITE | S_IREAD, NULL);
ASSERT(r != -1);
file = r;
uv_fs_req_cleanup(&req);
r = uv_fs_close(loop, &req, file, NULL);
ASSERT(r == 0);
uv_fs_req_cleanup(&req);
}
static void touch_file(uv_loop_t* loop, const char* name) {
int r;
uv_file file;
uv_fs_t req;
r = uv_fs_open(loop, &req, name, O_RDWR, 0, NULL);
ASSERT(r != -1);
file = r;
uv_fs_req_cleanup(&req);
r = uv_fs_write(loop, &req, file, "foo", 4, -1, NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&req);
r = uv_fs_close(loop, &req, file, NULL);
ASSERT(r != -1);
uv_fs_req_cleanup(&req);
}
static void close_cb(uv_handle_t* handle) {
ASSERT(handle != NULL);
close_cb_called++;
}
static void fs_event_cb_dir(uv_fs_event_t* handle, const char* filename,
int events, int status) {
++fs_event_cb_called;
ASSERT(handle == &fs_event);
ASSERT(status == 0);
ASSERT(events == UV_RENAME);
ASSERT(filename == NULL || strcmp(filename, "file1") == 0);
uv_close((uv_handle_t*)handle, close_cb);
}
static void fs_event_cb_file(uv_fs_event_t* handle, const char* filename,
int events, int status) {
++fs_event_cb_called;
ASSERT(handle == &fs_event);
ASSERT(status == 0);
ASSERT(events == UV_CHANGE);
ASSERT(filename == NULL || strcmp(filename, "file2") == 0);
uv_close((uv_handle_t*)handle, close_cb);
}
static void fs_event_cb_file_current_dir(uv_fs_event_t* handle,
const char* filename, int events, int status) {
++fs_event_cb_called;
ASSERT(handle == &fs_event);
ASSERT(status == 0);
ASSERT(events == UV_CHANGE);
ASSERT(filename == NULL || strcmp(filename, "watch_file") == 0);
uv_close((uv_handle_t*)handle, close_cb);
}
static void timer_cb_dir(uv_timer_t* handle, int status) {
++timer_cb_called;
create_file(handle->loop, "watch_dir/file1");
uv_close((uv_handle_t*)handle, close_cb);
}
static void timer_cb_file(uv_timer_t* handle, int status) {
++timer_cb_called;
if (timer_cb_called == 1) {
touch_file(handle->loop, "watch_dir/file1");
} else {
touch_file(handle->loop, "watch_dir/file2");
uv_close((uv_handle_t*)handle, close_cb);
}
}
static void timer_cb_touch(uv_timer_t* timer, int status) {
ASSERT(status == 0);
uv_close((uv_handle_t*)timer, NULL);
touch_file(timer->loop, "watch_file");
timer_cb_touch_called++;
}
TEST_IMPL(fs_event_watch_dir) {
uv_fs_t fs_req;
uv_loop_t* loop = uv_default_loop();
int r;
/* Setup */
uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
uv_fs_unlink(loop, &fs_req, "watch_dir/file2", NULL);
uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
create_dir(loop, "watch_dir");
r = uv_fs_event_init(loop, &fs_event, "watch_dir", fs_event_cb_dir, 0);
ASSERT(r != -1);
r = uv_timer_init(loop, &timer);
ASSERT(r != -1);
r = uv_timer_start(&timer, timer_cb_dir, 100, 0);
ASSERT(r != -1);
uv_run(loop);
ASSERT(fs_event_cb_called == 1);
ASSERT(timer_cb_called == 1);
ASSERT(close_cb_called == 2);
/* Cleanup */
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file2", NULL);
r = uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
return 0;
}
TEST_IMPL(fs_event_watch_file) {
uv_fs_t fs_req;
uv_loop_t* loop = uv_default_loop();
int r;
/* Setup */
uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
uv_fs_unlink(loop, &fs_req, "watch_dir/file2", NULL);
uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
create_dir(loop, "watch_dir");
create_file(loop, "watch_dir/file1");
create_file(loop, "watch_dir/file2");
r = uv_fs_event_init(loop, &fs_event, "watch_dir/file2", fs_event_cb_file, 0);
ASSERT(r != -1);
r = uv_timer_init(loop, &timer);
ASSERT(r != -1);
r = uv_timer_start(&timer, timer_cb_file, 100, 100);
ASSERT(r != -1);
uv_run(loop);
ASSERT(fs_event_cb_called == 1);
ASSERT(timer_cb_called == 2);
ASSERT(close_cb_called == 2);
/* Cleanup */
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file2", NULL);
r = uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
return 0;
}
TEST_IMPL(fs_event_watch_file_current_dir) {
uv_timer_t timer;
uv_loop_t* loop;
uv_fs_t fs_req;
int r;
loop = uv_default_loop();
/* Setup */
uv_fs_unlink(loop, &fs_req, "watch_file", NULL);
create_file(loop, "watch_file");
r = uv_fs_event_init(loop, &fs_event, "watch_file",
fs_event_cb_file_current_dir, 0);
ASSERT(r != -1);
r = uv_timer_init(loop, &timer);
ASSERT(r == 0);
r = uv_timer_start(&timer, timer_cb_touch, 1, 0);
ASSERT(r == 0);
ASSERT(timer_cb_touch_called == 0);
ASSERT(fs_event_cb_called == 0);
ASSERT(close_cb_called == 0);
uv_run(loop);
ASSERT(timer_cb_touch_called == 1);
ASSERT(fs_event_cb_called == 1);
ASSERT(close_cb_called == 1);
/* Cleanup */
r = uv_fs_unlink(loop, &fs_req, "watch_file", NULL);
return 0;
}
TEST_IMPL(fs_event_no_callback_on_close) {
uv_fs_t fs_req;
uv_loop_t* loop = uv_default_loop();
int r;
/* Setup */
uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
create_dir(loop, "watch_dir");
create_file(loop, "watch_dir/file1");
r = uv_fs_event_init(loop,
&fs_event,
"watch_dir/file1",
fs_event_cb_file,
0);
ASSERT(r != -1);
uv_close((uv_handle_t*)&fs_event, close_cb);
uv_run(loop);
ASSERT(fs_event_cb_called == 0);
ASSERT(close_cb_called == 1);
/* Cleanup */
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
r = uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
return 0;
}
static void fs_event_fail(uv_fs_event_t* handle, const char* filename,
int events, int status) {
ASSERT(0 && "should never be called");
}
static void timer_cb(uv_timer_t* handle, int status) {
int r;
ASSERT(status == 0);
r = uv_fs_event_init(handle->loop, &fs_event, ".", fs_event_fail, 0);
ASSERT(r == 0);
uv_close((uv_handle_t*)&fs_event, close_cb);
uv_close((uv_handle_t*)handle, close_cb);
}
TEST_IMPL(fs_event_immediate_close) {
uv_timer_t timer;
uv_loop_t* loop;
int r;
loop = uv_default_loop();
r = uv_timer_init(loop, &timer);
ASSERT(r == 0);
r = uv_timer_start(&timer, timer_cb, 1, 0);
ASSERT(r == 0);
uv_run(loop);
ASSERT(close_cb_called == 2);
return 0;
}
TEST_IMPL(fs_event_close_with_pending_event) {
uv_loop_t* loop;
uv_fs_t fs_req;
int r;
loop = uv_default_loop();
create_dir(loop, "watch_dir");
create_file(loop, "watch_dir/file");
r = uv_fs_event_init(loop, &fs_event, "watch_dir", fs_event_fail, 0);
ASSERT(r == 0);
/* Generate an fs event. */
touch_file(loop, "watch_dir/file");
uv_close((uv_handle_t*)&fs_event, close_cb);
uv_run(loop);
ASSERT(close_cb_called == 1);
/* Clean up */
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file", NULL);
ASSERT(r == 0);
r = uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
ASSERT(r == 0);
return 0;
}
static void fs_event_cb_close(uv_fs_event_t* handle, const char* filename,
int events, int status) {
ASSERT(status == 0);
ASSERT(fs_event_cb_called < 3);
++fs_event_cb_called;
if (fs_event_cb_called == 3) {
uv_close((uv_handle_t*) handle, close_cb);
}
}
TEST_IMPL(fs_event_close_in_callback) {
uv_loop_t* loop;
uv_fs_t fs_req;
int r;
loop = uv_default_loop();
create_dir(loop, "watch_dir");
create_file(loop, "watch_dir/file1");
create_file(loop, "watch_dir/file2");
create_file(loop, "watch_dir/file3");
create_file(loop, "watch_dir/file4");
create_file(loop, "watch_dir/file5");
r = uv_fs_event_init(loop, &fs_event, "watch_dir", fs_event_cb_close, 0);
ASSERT(r == 0);
/* Generate a couple of fs events. */
touch_file(loop, "watch_dir/file1");
touch_file(loop, "watch_dir/file2");
touch_file(loop, "watch_dir/file3");
touch_file(loop, "watch_dir/file4");
touch_file(loop, "watch_dir/file5");
uv_run(loop);
ASSERT(close_cb_called == 1);
ASSERT(fs_event_cb_called == 3);
/* Clean up */
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file1", NULL);
ASSERT(r == 0);
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file2", NULL);
ASSERT(r == 0);
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file3", NULL);
ASSERT(r == 0);
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file4", NULL);
ASSERT(r == 0);
r = uv_fs_unlink(loop, &fs_req, "watch_dir/file5", NULL);
ASSERT(r == 0);
r = uv_fs_rmdir(loop, &fs_req, "watch_dir", NULL);
ASSERT(r == 0);
return 0;
}
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