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
|
/*
* logging unit-tests
*
* Copyright (C) 2016 Linaro Ltd.
*
* Author: Alex Bennée <alex.bennee@linaro.org>
*
* 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 "qemu/osdep.h"
#include <glib/gstdio.h>
#include "qemu-common.h"
#include "qapi/error.h"
#include "qemu/log.h"
static void test_parse_range(void)
{
Error *err = NULL;
qemu_set_dfilter_ranges("0x1000+0x100", &error_abort);
g_assert_false(qemu_log_in_addr_range(0xfff));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert(qemu_log_in_addr_range(0x1001));
g_assert(qemu_log_in_addr_range(0x10ff));
g_assert_false(qemu_log_in_addr_range(0x1100));
qemu_set_dfilter_ranges("0x1000-0x100", &error_abort);
g_assert_false(qemu_log_in_addr_range(0x1001));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert(qemu_log_in_addr_range(0x0f01));
g_assert_false(qemu_log_in_addr_range(0x0f00));
qemu_set_dfilter_ranges("0x1000..0x1100", &error_abort);
g_assert_false(qemu_log_in_addr_range(0xfff));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert(qemu_log_in_addr_range(0x1100));
g_assert_false(qemu_log_in_addr_range(0x1101));
qemu_set_dfilter_ranges("0x1000..0x1000", &error_abort);
g_assert_false(qemu_log_in_addr_range(0xfff));
g_assert(qemu_log_in_addr_range(0x1000));
g_assert_false(qemu_log_in_addr_range(0x1001));
qemu_set_dfilter_ranges("0x1000+0x100,0x2100-0x100,0x3000..0x3100",
&error_abort);
g_assert(qemu_log_in_addr_range(0x1050));
g_assert(qemu_log_in_addr_range(0x2050));
g_assert(qemu_log_in_addr_range(0x3050));
qemu_set_dfilter_ranges("0xffffffffffffffff-1", &error_abort);
g_assert(qemu_log_in_addr_range(UINT64_MAX));
g_assert_false(qemu_log_in_addr_range(UINT64_MAX - 1));
qemu_set_dfilter_ranges("0..0xffffffffffffffff", &error_abort);
g_assert(qemu_log_in_addr_range(0));
g_assert(qemu_log_in_addr_range(UINT64_MAX));
qemu_set_dfilter_ranges("2..1", &err);
error_free_or_abort(&err);
qemu_set_dfilter_ranges("0x1000+onehundred", &err);
error_free_or_abort(&err);
qemu_set_dfilter_ranges("0x1000+0", &err);
error_free_or_abort(&err);
}
static void set_log_path_tmp(char const *dir, char const *tpl, Error **errp)
{
gchar *file_path = g_build_filename(dir, tpl, NULL);
qemu_set_log_filename(file_path, errp);
g_free(file_path);
}
static void test_parse_path(gconstpointer data)
{
gchar const *tmp_path = data;
Error *err = NULL;
set_log_path_tmp(tmp_path, "qemu.log", &error_abort);
set_log_path_tmp(tmp_path, "qemu-%d.log", &error_abort);
set_log_path_tmp(tmp_path, "qemu.log.%d", &error_abort);
set_log_path_tmp(tmp_path, "qemu-%d%d.log", &err);
error_free_or_abort(&err);
}
static void test_logfile_write(gconstpointer data)
{
QemuLogFile *logfile;
QemuLogFile *logfile2;
gchar const *dir = data;
g_autofree gchar *file_path = NULL;
g_autofree gchar *file_path1 = NULL;
FILE *orig_fd;
/*
* Before starting test, set log flags, to ensure the file gets
* opened below with the call to qemu_set_log_filename().
* In cases where a logging backend other than log is used,
* this is needed.
*/
qemu_set_log(CPU_LOG_TB_OUT_ASM);
file_path = g_build_filename(dir, "qemu_test_log_write0.log", NULL);
file_path1 = g_build_filename(dir, "qemu_test_log_write1.log", NULL);
/*
* Test that even if an open file handle is changed,
* our handle remains valid due to RCU.
*/
qemu_set_log_filename(file_path, &error_abort);
rcu_read_lock();
logfile = qatomic_rcu_read(&qemu_logfile);
orig_fd = logfile->fd;
g_assert(logfile && logfile->fd);
fprintf(logfile->fd, "%s 1st write to file\n", __func__);
fflush(logfile->fd);
/* Change the logfile and ensure that the handle is still valid. */
qemu_set_log_filename(file_path1, &error_abort);
logfile2 = qatomic_rcu_read(&qemu_logfile);
g_assert(logfile->fd == orig_fd);
g_assert(logfile2->fd != logfile->fd);
fprintf(logfile->fd, "%s 2nd write to file\n", __func__);
fflush(logfile->fd);
rcu_read_unlock();
}
static void test_logfile_lock(gconstpointer data)
{
FILE *logfile;
gchar const *dir = data;
g_autofree gchar *file_path = NULL;
file_path = g_build_filename(dir, "qemu_test_logfile_lock0.log", NULL);
/*
* Test the use of the logfile lock, such
* that even if an open file handle is closed,
* our handle remains valid for use due to RCU.
*/
qemu_set_log_filename(file_path, &error_abort);
logfile = qemu_log_lock();
g_assert(logfile);
fprintf(logfile, "%s 1st write to file\n", __func__);
fflush(logfile);
/*
* Initiate a close file and make sure our handle remains
* valid since we still have the logfile lock.
*/
qemu_log_close();
fprintf(logfile, "%s 2nd write to file\n", __func__);
fflush(logfile);
qemu_log_unlock(logfile);
}
/* Remove a directory and all its entries (non-recursive). */
static void rmdir_full(gchar const *root)
{
GDir *root_gdir = g_dir_open(root, 0, NULL);
gchar const *entry_name;
g_assert_nonnull(root_gdir);
while ((entry_name = g_dir_read_name(root_gdir)) != NULL) {
gchar *entry_path = g_build_filename(root, entry_name, NULL);
g_assert(g_remove(entry_path) == 0);
g_free(entry_path);
}
g_dir_close(root_gdir);
g_assert(g_rmdir(root) == 0);
}
int main(int argc, char **argv)
{
g_autofree gchar *tmp_path = g_dir_make_tmp("qemu-test-logging.XXXXXX", NULL);
int rc;
g_test_init(&argc, &argv, NULL);
g_assert_nonnull(tmp_path);
g_test_add_func("/logging/parse_range", test_parse_range);
g_test_add_data_func("/logging/parse_path", tmp_path, test_parse_path);
g_test_add_data_func("/logging/logfile_write_path",
tmp_path, test_logfile_write);
g_test_add_data_func("/logging/logfile_lock_path",
tmp_path, test_logfile_lock);
rc = g_test_run();
qemu_log_close();
drain_call_rcu();
rmdir_full(tmp_path);
return rc;
}
|
