1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/* 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>
#define FIXTURE "testfile"
static void timer_cb(uv_timer_t* handle);
static void close_cb(uv_handle_t* handle);
static void poll_cb(uv_fs_poll_t* handle,
int status,
const uv_stat_t* prev,
const uv_stat_t* curr);
static void poll_cb_fail(uv_fs_poll_t* handle,
int status,
const uv_stat_t* prev,
const uv_stat_t* curr);
static uv_fs_poll_t poll_handle;
static uv_timer_t timer_handle;
static uv_loop_t* loop;
static int poll_cb_called;
static int timer_cb_called;
static int close_cb_called;
static void touch_file(const char* path) {
static int count;
FILE* fp;
int i;
ASSERT((fp = fopen(FIXTURE, "w+")));
/* Need to change the file size because the poller may not pick up
* sub-second mtime changes.
*/
i = ++count;
while (i--)
fputc('*', fp);
fclose(fp);
}
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
static void timer_cb(uv_timer_t* handle) {
touch_file(FIXTURE);
timer_cb_called++;
}
static void poll_cb_fail(uv_fs_poll_t* handle,
int status,
const uv_stat_t* prev,
const uv_stat_t* curr) {
ASSERT(0 && "fail_cb called");
}
static void poll_cb(uv_fs_poll_t* handle,
int status,
const uv_stat_t* prev,
const uv_stat_t* curr) {
uv_stat_t zero_statbuf;
memset(&zero_statbuf, 0, sizeof(zero_statbuf));
ASSERT(handle == &poll_handle);
ASSERT(1 == uv_is_active((uv_handle_t*) handle));
ASSERT(prev != NULL);
ASSERT(curr != NULL);
switch (poll_cb_called++) {
case 0:
ASSERT(status == UV_ENOENT);
ASSERT(0 == memcmp(prev, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 == memcmp(curr, &zero_statbuf, sizeof(zero_statbuf)));
touch_file(FIXTURE);
break;
case 1:
ASSERT(status == 0);
ASSERT(0 == memcmp(prev, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 != memcmp(curr, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 20, 0));
break;
case 2:
ASSERT(status == 0);
ASSERT(0 != memcmp(prev, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 != memcmp(curr, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 200, 0));
break;
case 3:
ASSERT(status == 0);
ASSERT(0 != memcmp(prev, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 != memcmp(curr, &zero_statbuf, sizeof(zero_statbuf)));
remove(FIXTURE);
break;
case 4:
ASSERT(status == UV_ENOENT);
ASSERT(0 != memcmp(prev, &zero_statbuf, sizeof(zero_statbuf)));
ASSERT(0 == memcmp(curr, &zero_statbuf, sizeof(zero_statbuf)));
uv_close((uv_handle_t*)handle, close_cb);
break;
default:
ASSERT(0);
}
}
TEST_IMPL(fs_poll) {
loop = uv_default_loop();
remove(FIXTURE);
ASSERT(0 == uv_timer_init(loop, &timer_handle));
ASSERT(0 == uv_fs_poll_init(loop, &poll_handle));
ASSERT(0 == uv_fs_poll_start(&poll_handle, poll_cb, FIXTURE, 100));
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(poll_cb_called == 5);
ASSERT(timer_cb_called == 2);
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
TEST_IMPL(fs_poll_getpath) {
char buf[1024];
size_t len;
loop = uv_default_loop();
remove(FIXTURE);
ASSERT(0 == uv_fs_poll_init(loop, &poll_handle));
len = sizeof buf;
ASSERT(UV_EINVAL == uv_fs_poll_getpath(&poll_handle, buf, &len));
ASSERT(0 == uv_fs_poll_start(&poll_handle, poll_cb_fail, FIXTURE, 100));
len = sizeof buf;
ASSERT(0 == uv_fs_poll_getpath(&poll_handle, buf, &len));
ASSERT(buf[len - 1] != 0);
ASSERT(buf[len] == '\0');
ASSERT(0 == memcmp(buf, FIXTURE, len));
uv_close((uv_handle_t*) &poll_handle, close_cb);
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(close_cb_called == 1);
MAKE_VALGRIND_HAPPY();
return 0;
}
|
