1 /*
2 * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
3 *
4 * Squid software is distributed under GPLv2+ license and includes
5 * contributions from numerous individuals and organizations.
6 * Please see the COPYING and CONTRIBUTORS files for details.
7 */
8
9 /*
10 * A stub implementation of the Debug.h API.
11 * For use by test binaries which do not need the full context debugging
12 *
13 * Note: it doesn't use the STUB API as the functions defined here must
14 * not abort the unit test.
15 */
16 #include "squid.h"
17 #include "Debug.h"
18
19 #define STUB_API "debug.cc"
20 #include "tests/STUB.h"
21
22 char *Debug::debugOptions;
23 char *Debug::cache_log= NULL;
24 int Debug::rotateNumber = 0;
25 int Debug::Levels[MAX_DEBUG_SECTIONS];
26 int Debug::override_X = 0;
27 int Debug::log_stderr = 1;
28 bool Debug::log_syslog = false;
ForceAlert()29 void Debug::ForceAlert() STUB
30
31 void StopUsingDebugLog() STUB
32 void ResyncDebugLog(FILE *) STUB
33
34 FILE *
35 DebugStream()
36 {
37 return stderr;
38 }
39
40 Ctx
ctx_enter(const char *)41 ctx_enter(const char *)
42 {
43 return -1;
44 }
45
46 void
ctx_exit(Ctx)47 ctx_exit(Ctx)
48 {}
49
50 void
_db_init(const char *,const char *)51 _db_init(const char *, const char *)
52 {}
53
54 void
_db_set_syslog(const char *)55 _db_set_syslog(const char *)
56 {}
57
58 void
_db_rotate_log(void)59 _db_rotate_log(void)
60 {}
61
62 static void
63 _db_print_stderr(const char *format, va_list args);
64
65 void
_db_print(const char * format,...)66 _db_print(const char *format,...)
67 {
68 static char f[BUFSIZ];
69 va_list args1;
70 va_list args2;
71 va_list args3;
72
73 va_start(args1, format);
74 va_start(args2, format);
75 va_start(args3, format);
76
77 snprintf(f, BUFSIZ, "%s| %s",
78 "stub time", //debugLogTime(squid_curtime),
79 format);
80
81 _db_print_stderr(f, args2);
82
83 va_end(args1);
84 va_end(args2);
85 va_end(args3);
86 }
87
88 static void
_db_print_stderr(const char * format,va_list args)89 _db_print_stderr(const char *format, va_list args)
90 {
91 if (1 < Debug::Level())
92 return;
93
94 vfprintf(stderr, format, args);
95 }
96
97 void
parseOptions(char const *)98 Debug::parseOptions(char const *)
99 {}
100
101 Debug::Context *Debug::Current = nullptr;
102
Context(const int aSection,const int aLevel)103 Debug::Context::Context(const int aSection, const int aLevel):
104 level(aLevel),
105 sectionLevel(Levels[aSection]),
106 upper(Current),
107 forceAlert(false)
108 {
109 buf.setf(std::ios::fixed);
110 buf.precision(2);
111 }
112
113 std::ostringstream &
Start(const int section,const int level)114 Debug::Start(const int section, const int level)
115 {
116 Current = new Context(section, level);
117 return Current->buf;
118 }
119
120 void
Finish()121 Debug::Finish()
122 {
123 if (Current) {
124 _db_print("%s\n", Current->buf.str().c_str());
125 delete Current;
126 Current = nullptr;
127 }
128 }
129
130 std::ostream&
ForceAlert(std::ostream & s)131 ForceAlert(std::ostream& s)
132 {
133 return s;
134 }
135
136 std::ostream &
print(std::ostream & os) const137 Raw::print(std::ostream &os) const
138 {
139 if (label_)
140 os << ' ' << label_ << '[' << size_ << ']';
141
142 if (!size_)
143 return os;
144
145 // finalize debugging level if no level was set explicitly via minLevel()
146 const int finalLevel = (level >= 0) ? level :
147 (size_ > 40 ? DBG_DATA : Debug::SectionLevel());
148 if (finalLevel <= Debug::SectionLevel()) {
149 os << (label_ ? '=' : ' ');
150 if (data_)
151 os.write(data_, size_);
152 else
153 os << "[null]";
154 }
155
156 return os;
157 }
158
159