forked from arvidn/libtorrent
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathtest_fence.cpp
243 lines (194 loc) · 7.22 KB
/
test_fence.cpp
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
/*
Copyright (c) 2003-2016, Arvid Norberg
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include "libtorrent/storage.hpp"
#include "libtorrent/disk_io_job.hpp"
#include "libtorrent/performance_counters.hpp"
#include "test.hpp"
#include <atomic>
using namespace lt;
using lt::aux::disk_job_fence;
TORRENT_TEST(empty_fence)
{
disk_job_fence fence;
counters cnt;
disk_io_job test_job[10];
// issue 5 jobs. None of them should be blocked by a fence
int ret_int = 0;
bool ret = false;
// add a fence job
ret_int = fence.raise_fence(&test_job[5], &test_job[6], cnt);
// since we don't have any outstanding jobs
// we need to post this job
TEST_CHECK(ret_int == disk_job_fence::fence_post_fence);
ret = fence.is_blocked(&test_job[7]);
TEST_CHECK(ret == true);
ret = fence.is_blocked(&test_job[8]);
TEST_CHECK(ret == true);
tailqueue<disk_io_job> jobs;
// complete the fence job
fence.job_complete(&test_job[5], jobs);
// now it's fine to post the blocked jobs
TEST_CHECK(jobs.size() == 2);
TEST_CHECK(jobs.first() == &test_job[7]);
// the disk_io_fence has an assert in its destructor
// to make sure all outstanding jobs are completed, so we must
// complete them before we're done
fence.job_complete(&test_job[7], jobs);
fence.job_complete(&test_job[8], jobs);
}
TORRENT_TEST(job_fence)
{
counters cnt;
disk_job_fence fence;
disk_io_job test_job[10];
// issue 5 jobs. None of them should be blocked by a fence
int ret_int = 0;
bool ret = false;
TEST_CHECK(fence.num_outstanding_jobs() == 0);
ret = fence.is_blocked(&test_job[0]);
TEST_CHECK(ret == false);
TEST_CHECK(fence.num_outstanding_jobs() == 1);
ret = fence.is_blocked(&test_job[1]);
TEST_CHECK(ret == false);
ret = fence.is_blocked(&test_job[2]);
TEST_CHECK(ret == false);
ret = fence.is_blocked(&test_job[3]);
TEST_CHECK(ret == false);
ret = fence.is_blocked(&test_job[4]);
TEST_CHECK(ret == false);
TEST_CHECK(fence.num_outstanding_jobs() == 5);
TEST_CHECK(fence.num_blocked() == 0);
// add a fence job
ret_int = fence.raise_fence(&test_job[5], &test_job[6], cnt);
// since we have outstanding jobs, no need
// to post anything
TEST_CHECK(ret_int == disk_job_fence::fence_post_flush);
ret = fence.is_blocked(&test_job[7]);
TEST_CHECK(ret == true);
ret = fence.is_blocked(&test_job[8]);
TEST_CHECK(ret == true);
tailqueue<disk_io_job> jobs;
fence.job_complete(&test_job[3], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[2], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[4], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[1], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[0], jobs);
TEST_EQUAL(jobs.size(), 0);
// the flush job completes
fence.job_complete(&test_job[6], jobs);
// this was the last job. Now we should be
// able to run the fence job
TEST_EQUAL(jobs.size(), 1);
TEST_CHECK(jobs.first() == &test_job[5]);
jobs.pop_front();
// complete the fence job
fence.job_complete(&test_job[5], jobs);
// now it's fine to post the blocked jobs
TEST_EQUAL(jobs.size(), 2);
TEST_CHECK(jobs.first() == &test_job[7]);
// the disk_io_fence has an assert in its destructor
// to make sure all outstanding jobs are completed, so we must
// complete them before we're done
fence.job_complete(&test_job[7], jobs);
fence.job_complete(&test_job[8], jobs);
}
TORRENT_TEST(double_fence)
{
counters cnt;
disk_job_fence fence;
disk_io_job test_job[10];
// issue 5 jobs. None of them should be blocked by a fence
int ret_int = 0;
bool ret = false;
TEST_CHECK(fence.num_outstanding_jobs() == 0);
ret = fence.is_blocked(&test_job[0]);
TEST_CHECK(ret == false);
TEST_CHECK(fence.num_outstanding_jobs() == 1);
ret = fence.is_blocked(&test_job[1]);
TEST_CHECK(ret == false);
ret = fence.is_blocked(&test_job[2]);
TEST_CHECK(ret == false);
ret = fence.is_blocked(&test_job[3]);
TEST_CHECK(ret == false);
ret = fence.is_blocked(&test_job[4]);
TEST_CHECK(ret == false);
TEST_CHECK(fence.num_outstanding_jobs() == 5);
TEST_CHECK(fence.num_blocked() == 0);
// add two fence jobs
ret_int = fence.raise_fence(&test_job[5], &test_job[6], cnt);
// since we have outstanding jobs, no need
// to post anything
TEST_CHECK(ret_int == disk_job_fence::fence_post_flush);
ret_int = fence.raise_fence(&test_job[7], &test_job[8], cnt);
// since we have outstanding jobs, no need
// to post anything
TEST_CHECK(ret_int == disk_job_fence::fence_post_none);
std::printf("ret: %d\n", ret_int);
ret = fence.is_blocked(&test_job[9]);
TEST_CHECK(ret == true);
tailqueue<disk_io_job> jobs;
fence.job_complete(&test_job[3], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[2], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[4], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[1], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[0], jobs);
TEST_CHECK(jobs.size() == 0);
fence.job_complete(&test_job[6], jobs);
// this was the last job. Now we should be
// able to run the fence job
TEST_CHECK(jobs.size() == 1);
TEST_CHECK(jobs.first() == &test_job[5]);
jobs.pop_front();
// complete the fence job
fence.job_complete(&test_job[5], jobs);
// now it's fine to run the next fence job
// first we get the flush job
TEST_CHECK(jobs.size() == 1);
TEST_CHECK(jobs.first() == &test_job[8]);
jobs.pop_front();
fence.job_complete(&test_job[8], jobs);
// then the fence itself
TEST_CHECK(jobs.size() == 1);
TEST_CHECK(jobs.first() == &test_job[7]);
jobs.pop_front();
fence.job_complete(&test_job[7], jobs);
// and now we can run the remaining blocked job
TEST_CHECK(jobs.size() == 1);
TEST_CHECK(jobs.first() == &test_job[9]);
// the disk_io_fence has an assert in its destructor
// to make sure all outstanding jobs are completed, so we must
// complete them before we're done
fence.job_complete(&test_job[9], jobs);
}