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
|
/*
* Copyright (c) 2016, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "logging/log.hpp"
#include "logging/logAsyncWriter.hpp"
#include "logging/logConfiguration.hpp"
#include "logging/logStream.hpp"
#include "memory/resourceArea.hpp"
#include "runtime/os.hpp"
#include "unittest.hpp"
#define LOG_TEST_STRING_LITERAL "a (hopefully) unique log message for testing"
static const char* invalid_selection_substr[] = {
"=", "+", " ", "+=", "+=*", "*+", " +", "**", "++", ".", ",", ",,", ",+",
" *", "all+", "all*", "+all", "+all=Warning", "==Info", "=InfoWarning",
"BadTag+", "logging++", "logging*+", ",=", "gc+gc+"
};
static inline bool string_contains_substring(const char* haystack, const char* needle) {
return strstr(haystack, needle) != nullptr;
}
static inline bool file_exists(const char* filename) {
struct stat st;
return os::stat(filename, &st) == 0;
}
static inline void delete_file(const char* filename) {
AsyncLogWriter::flush();
if (!file_exists(filename)) {
return;
}
int ret = remove(filename);
EXPECT_TRUE(ret == 0 || errno == ENOENT) << "failed to remove file '" << filename << "': "
<< os::strerror(errno) << " (" << errno << ")";
}
static inline void create_directory(const char* name) {
ASSERT_FALSE(file_exists(name)) << "can't create directory: " << name << " already exists";
bool failed;
#ifdef _WINDOWS
failed = !CreateDirectory(name, nullptr);
#else
failed = mkdir(name, 0777);
#endif
ASSERT_FALSE(failed) << "failed to create directory " << name;
}
static inline void delete_empty_directory(const char* name) {
#ifdef _WINDOWS
if (!file_exists(name)) {
return;
}
bool failed;
failed = !RemoveDirectory(name);
EXPECT_FALSE(failed) << "failed to remove directory '" << name
<< "': LastError = " << GetLastError();
#else
delete_file(name);
#endif
}
static inline void init_log_file(const char* filename, const char* options = "") {
LogStreamHandle(Error, logging) stream;
bool success = LogConfiguration::parse_log_arguments(filename, "logging=trace", "", options, &stream);
guarantee(success, "Failed to initialize log file '%s' with options '%s'", filename, options);
log_debug(logging)("%s", LOG_TEST_STRING_LITERAL);
success = LogConfiguration::parse_log_arguments(filename, "all=off", "", "", &stream);
guarantee(success, "Failed to disable logging to file '%s'", filename);
}
static const char* tmp_dir = os::get_temp_directory();
static const char* file_sep = os::file_separator();
// Prepend filename with the temp directory and pid and return the result as a
// resource allocated string.
static inline char* prepend_temp_dir(const char* filename) {
size_t temp_file_len = strlen(tmp_dir) + strlen(file_sep) + strlen(filename) + 28;
char* temp_file = NEW_RESOURCE_ARRAY(char, temp_file_len);
int ret = jio_snprintf(temp_file, temp_file_len, "%s%spid%d.%s",
tmp_dir, file_sep,
os::current_process_id(), filename);
return temp_file;
}
// Prepend filename with specified prefix and the temp directory and return the
// result as a malloc allocated string. This is used by test_logFileOutput.cpp.
static inline char* prepend_prefix_temp_dir(const char* prefix, const char* filename) {
size_t temp_file_len = strlen(prefix) + strlen(tmp_dir) + strlen(file_sep) + strlen(filename) + 1;
char* temp_file = (char*)os::malloc(temp_file_len, mtLogging);
int ret = jio_snprintf(temp_file, temp_file_len, "%s%s%s%s",
prefix, tmp_dir, file_sep, filename);
return temp_file;
}
// Read a complete line from fp and return it as a resource allocated string.
// Returns nullptr on EOF.
static inline char* read_line(FILE* fp) {
assert(fp != nullptr, "invalid fp");
int buflen = 512;
char* buf = NEW_RESOURCE_ARRAY(char, buflen);
long pos = ftell(fp);
if (pos < 0) return nullptr;
char* ret = fgets(buf, buflen, fp);
while (ret != nullptr && buf[strlen(buf) - 1] != '\n' && !feof(fp)) {
// retry with a larger buffer
buf = REALLOC_RESOURCE_ARRAY(char, buf, buflen, buflen * 2);
buflen *= 2;
// rewind to beginning of line
fseek(fp, pos, SEEK_SET);
// retry read with new buffer
ret = fgets(buf, buflen, fp);
}
return ret;
}
static bool file_contains_substrings_in_order(const char* filename, const char* substrs[]) {
AsyncLogWriter::flush();
FILE* fp = os::fopen(filename, "r");
assert(fp != nullptr, "error opening file %s: %s", filename, os::strerror(errno));
size_t idx = 0;
while (substrs[idx] != nullptr) {
ResourceMark rm;
char* line = read_line(fp);
if (line == nullptr) {
break;
}
for (char* match = strstr(line, substrs[idx]); match != nullptr;) {
size_t match_len = strlen(substrs[idx]);
idx++;
if (substrs[idx] == nullptr) {
break;
}
match = strstr(match + match_len, substrs[idx]);
}
}
fclose(fp);
return substrs[idx] == nullptr;
}
static inline bool file_contains_substring(const char* filename, const char* substr) {
const char* strs[] = {substr, nullptr};
return file_contains_substrings_in_order(filename, strs);
}
|
