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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
use std::io;
use std::path::Path;
use tokio_uring::fs;
fn tests() -> std::slice::Iter<'static, Expected<'static>> {
[
//
// A number of Fail cases because of permissions (assuming not running as root).
//
Expected::Fail(Op::create_dir("/no-good")),
Expected::Fail(Op::create_dir("/no-good/lots/more")),
Expected::Fail(Op::create_dir_all("/no-good")),
Expected::Fail(Op::create_dir_all("/no-good/lots/more")),
Expected::Fail(Op::DirBuilder("/no-good")),
Expected::Fail(Op::DirBuilder2("/no-good/lots/more", false, 0o777)),
Expected::Fail(Op::DirBuilder2("/no-good/lots/more", true, 0o777)),
//
// A sequence of steps where assumption is /tmp exists and /tmp/test-good does not.
//
Expected::Pass(Op::create_dir("/tmp/test-good")),
Expected::Pass(Op::statx("/tmp/test-good")),
Expected::Pass(Op::StatxBuilder("/tmp/test-good")),
Expected::Pass(Op::StatxBuilder2("/tmp", "test-good")),
Expected::Pass(Op::StatxBuilder2("/tmp", "./test-good")),
Expected::Pass(Op::StatxBuilder2("/tmp/", "./test-good")),
Expected::Pass(Op::StatxBuilder2("/etc/", "/tmp/test-good")),
Expected::Pass(Op::is_dir("/tmp/test-good")),
Expected::Fail(Op::is_regfile("/tmp/test-good")),
Expected::Pass(Op::create_dir("/tmp/test-good/x1")),
Expected::Fail(Op::create_dir("/tmp/test-good/x1")),
Expected::Pass(Op::remove_dir("/tmp/test-good/x1")),
Expected::Fail(Op::remove_dir("/tmp/test-good/x1")),
Expected::Pass(Op::remove_dir("/tmp/test-good")),
Expected::Pass(Op::create_dir_all("/tmp/test-good/lots/lots/more")),
Expected::Pass(Op::create_dir_all("/tmp/test-good/lots/lots/more")),
Expected::Pass(Op::remove_dir("/tmp/test-good/lots/lots/more")),
Expected::Pass(Op::remove_dir("/tmp/test-good/lots/lots")),
Expected::Pass(Op::remove_dir("/tmp/test-good/lots")),
Expected::Pass(Op::remove_dir("/tmp/test-good")),
Expected::Fail(Op::statx("/tmp/test-good")),
Expected::Fail(Op::StatxBuilder("/tmp/test-good")),
//
// A sequence that tests when mode is passed as 0, the directory can't be written to.
//
Expected::Pass(Op::DirBuilder2("/tmp/test-good", true, 0)),
Expected::Pass(Op::matches_mode("/tmp/test-good", 0)),
Expected::Fail(Op::create_dir("/tmp/test-good/x1")),
Expected::Pass(Op::remove_dir("/tmp/test-good")),
//
// A sequence that tests creation of a user rwx only directory
//
Expected::Pass(Op::DirBuilder2("/tmp/test-good", true, 0o700)),
Expected::Pass(Op::matches_mode("/tmp/test-good", 0o700)),
Expected::Pass(Op::create_dir("/tmp/test-good/x1")),
Expected::Pass(Op::remove_dir("/tmp/test-good/x1")),
Expected::Pass(Op::remove_dir("/tmp/test-good")),
//
// Same sequence but with recursive = false
//
Expected::Pass(Op::DirBuilder2("/tmp/test-good", false, 0)),
Expected::Fail(Op::create_dir("/tmp/test-good/x1")),
Expected::Pass(Op::remove_dir("/tmp/test-good")),
//
// Some file operations
//
Expected::Pass(Op::touch_file("/tmp/test-good-file")),
Expected::Pass(Op::is_regfile("/tmp/test-good-file")),
Expected::Fail(Op::is_dir("/tmp/test-good-file")),
Expected::Pass(Op::remove_file("/tmp/test-good-file")),
Expected::Fail(Op::is_regfile("/tmp/test-good-file")),
Expected::Fail(Op::is_dir("/tmp/test-good-file")),
]
.iter()
}
type OpPath<'a> = &'a str;
#[allow(non_camel_case_types)]
#[allow(dead_code)]
#[derive(Debug)]
enum Op<'a> {
statx(OpPath<'a>),
StatxBuilder(OpPath<'a>),
StatxBuilder2(OpPath<'a>, OpPath<'a>),
matches_mode(OpPath<'a>, u16),
is_regfile(OpPath<'a>),
is_dir(OpPath<'a>),
touch_file(OpPath<'a>),
create_dir(OpPath<'a>),
create_dir_all(OpPath<'a>),
DirBuilder(OpPath<'a>),
DirBuilder2(OpPath<'a>, bool, u32),
remove_file(OpPath<'a>),
remove_dir(OpPath<'a>),
}
#[derive(Debug)]
enum Expected<'a> {
Pass(Op<'a>),
Fail(Op<'a>),
}
async fn main1() -> io::Result<()> {
let (mut as_expected, mut unexpected) = (0, 0);
for test in tests() {
let (expect_to_pass, op) = match test {
Expected::Pass(op) => (true, op),
Expected::Fail(op) => (false, op),
};
let res = match op {
Op::statx(path) => statx(path).await,
Op::StatxBuilder(path) => statx_builder(path).await,
Op::StatxBuilder2(path, rel_path) => statx_builder2(path, rel_path).await,
Op::matches_mode(path, mode) => matches_mode(path, *mode).await,
Op::is_regfile(path) => is_regfile(path).await,
Op::is_dir(path) => is_dir(path).await,
Op::touch_file(path) => touch_file(path).await,
Op::create_dir(path) => fs::create_dir(path).await,
Op::create_dir_all(path) => fs::create_dir_all(path).await,
Op::DirBuilder(path) => fs::DirBuilder::new().create(path).await,
Op::DirBuilder2(path, recursive, mode) => {
fs::DirBuilder::new()
.recursive(*recursive)
.mode(*mode)
.create(path)
.await
}
Op::remove_file(path) => fs::remove_file(path).await,
Op::remove_dir(path) => fs::remove_dir(path).await,
};
let verbose = true;
match res {
Ok(_) => {
if expect_to_pass {
as_expected += 1;
if verbose {
println!("Success: {op:?} passed.");
}
} else {
unexpected += 1;
println!("Failure: {op:?} expected to fail but passed.");
}
}
Err(e) => {
if expect_to_pass {
unexpected += 1;
println!("Failure: {op:?} expected to pass but failed with error \"{e}\".");
} else {
as_expected += 1;
if verbose {
println!("Success: {op:?} expected to fail and did with error \"{e}\".");
}
}
}
}
}
println!("{as_expected} as_expected, {unexpected} unexpected");
if unexpected == 0 {
Ok(())
} else {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
format!("{unexpected} unexpected result(s)"),
))
}
}
async fn statx<P: AsRef<Path>>(path: P) -> io::Result<()> {
let _statx = tokio_uring::fs::statx(path).await?;
Ok(())
}
async fn statx_builder<P: AsRef<Path>>(path: P) -> io::Result<()> {
let _statx = tokio_uring::fs::StatxBuilder::new()
.pathname(path)?
.statx()
.await?;
Ok(())
}
async fn statx_builder2<P: AsRef<Path>>(dir_path: P, rel_path: P) -> io::Result<()> {
// This shows the power of combining an open file, presumably a directory, and the relative
// path to have the statx operation return the meta data for the child of the opened directory
// descriptor.
let f = tokio_uring::fs::File::open(dir_path).await?;
// Fetch file metadata
let res = f.statx_builder().pathname(rel_path)?.statx().await;
// Close the file
f.close().await?;
res.map(|_| ())
}
async fn matches_mode<P: AsRef<Path>>(path: P, want_mode: u16) -> io::Result<()> {
let statx = tokio_uring::fs::StatxBuilder::new()
.mask(libc::STATX_MODE)
.pathname(path)?
.statx()
.await?;
let got_mode = statx.stx_mode & 0o7777;
if want_mode == got_mode {
Ok(())
} else {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
format!("want mode {want_mode:#o}, got mode {got_mode:#o}"),
))
}
}
async fn touch_file<P: AsRef<Path>>(path: P) -> io::Result<()> {
let file = tokio_uring::fs::OpenOptions::new()
.append(true)
.create(true)
.open(path)
.await?;
file.close().await
}
async fn is_regfile<P: AsRef<Path>>(path: P) -> io::Result<()> {
let (_is_dir, is_regfile) = tokio_uring::fs::is_dir_regfile(path).await;
if is_regfile {
Ok(())
} else {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
"not regular file",
))
}
}
async fn is_dir<P: AsRef<Path>>(path: P) -> io::Result<()> {
let (is_dir, _is_regfile) = tokio_uring::fs::is_dir_regfile(path).await;
if is_dir {
Ok(())
} else {
Err(std::io::Error::new(
std::io::ErrorKind::Other,
"not directory",
))
}
}
fn main() {
tokio_uring::start(async {
if let Err(e) = main1().await {
println!("error: {}", e);
}
});
}
|
