/
assert_util.h
212 lines (166 loc) · 7.2 KB
/
assert_util.h
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
// assert_util.h
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "../db/lasterror.h"
namespace mongo {
enum CommonErrorCodes {
DatabaseDifferCaseCode = 13297 ,
StaleConfigInContextCode = 13388
};
class AssertionCount {
public:
AssertionCount();
void rollover();
void condrollover( int newValue );
int regular;
int warning;
int msg;
int user;
int rollovers;
};
extern AssertionCount assertionCount;
struct ExceptionInfo {
ExceptionInfo() : msg(""),code(-1) {}
ExceptionInfo( const char * m , int c )
: msg( m ) , code( c ) {
}
ExceptionInfo( const string& m , int c )
: msg( m ) , code( c ) {
}
void append( BSONObjBuilder& b , const char * m = "$err" , const char * c = "code" ) const ;
string toString() const { stringstream ss; ss << "exception: " << code << " " << msg; return ss.str(); }
bool empty() const { return msg.empty(); }
string msg;
int code;
};
class DBException : public std::exception {
public:
DBException( const ExceptionInfo& ei ) : _ei(ei) {}
DBException( const char * msg , int code ) : _ei(msg,code) {}
DBException( const string& msg , int code ) : _ei(msg,code) {}
virtual ~DBException() throw() { }
virtual const char* what() const throw() { return _ei.msg.c_str(); }
virtual int getCode() const { return _ei.code; }
virtual void appendPrefix( stringstream& ss ) const { }
virtual string toString() const {
stringstream ss; ss << getCode() << " " << what(); return ss.str();
return ss.str();
}
const ExceptionInfo& getInfo() const { return _ei; }
protected:
ExceptionInfo _ei;
};
class AssertionException : public DBException {
public:
AssertionException( const ExceptionInfo& ei ) : DBException(ei) {}
AssertionException( const char * msg , int code ) : DBException(msg,code) {}
AssertionException( const string& msg , int code ) : DBException(msg,code) {}
virtual ~AssertionException() throw() { }
virtual bool severe() { return true; }
virtual bool isUserAssertion() { return false; }
/* true if an interrupted exception - see KillCurrentOp */
bool interrupted() {
return _ei.code == 11600 || _ei.code == 11601;
}
};
/* UserExceptions are valid errors that a user can cause, like out of disk space or duplicate key */
class UserException : public AssertionException {
public:
UserException(int c , const string& m) : AssertionException( m , c ) {}
virtual bool severe() { return false; }
virtual bool isUserAssertion() { return true; }
virtual void appendPrefix( stringstream& ss ) const { ss << "userassert:"; }
};
class MsgAssertionException : public AssertionException {
public:
MsgAssertionException( const ExceptionInfo& ei ) : AssertionException( ei ) {}
MsgAssertionException(int c, const string& m) : AssertionException( m , c ) {}
virtual bool severe() { return false; }
virtual void appendPrefix( stringstream& ss ) const { ss << "massert:"; }
};
void asserted(const char *msg, const char *file, unsigned line);
void wasserted(const char *msg, const char *file, unsigned line);
/** a "user assertion". throws UserAssertion. logs. typically used for errors that a user
could cause, such as dupliate key, disk full, etc.
*/
void uasserted(int msgid, const char *msg);
inline void uasserted(int msgid , string msg) { uasserted(msgid, msg.c_str()); }
/** reported via lasterror, but don't throw exception */
void uassert_nothrow(const char *msg);
/** msgassert and massert are for errors that are internal but have a well defined error text string.
a stack trace is logged.
*/
void msgassertedNoTrace(int msgid, const char *msg);
inline void msgassertedNoTrace(int msgid, const string& msg) { msgassertedNoTrace( msgid , msg.c_str() ); }
void msgasserted(int msgid, const char *msg);
inline void msgasserted(int msgid, string msg) { msgasserted(msgid, msg.c_str()); }
#ifdef assert
#undef assert
#endif
#define MONGO_assert(_Expression) (void)( (!!(_Expression)) || (mongo::asserted(#_Expression, __FILE__, __LINE__), 0) )
#define assert MONGO_assert
/* "user assert". if asserts, user did something wrong, not our code */
#define MONGO_uassert(msgid, msg, expr) (void)( (!!(expr)) || (mongo::uasserted(msgid, msg), 0) )
#define uassert MONGO_uassert
/* warning only - keeps going */
#define MONGO_wassert(_Expression) (void)( (!!(_Expression)) || (mongo::wasserted(#_Expression, __FILE__, __LINE__), 0) )
#define wassert MONGO_wassert
/* display a message, no context, and throw assertionexception
easy way to throw an exception and log something without our stack trace
display happening.
*/
#define MONGO_massert(msgid, msg, expr) (void)( (!!(expr)) || (mongo::msgasserted(msgid, msg), 0) )
#define massert MONGO_massert
/* dassert is 'debug assert' -- might want to turn off for production as these
could be slow.
*/
#if defined(_DEBUG)
# define MONGO_dassert assert
#else
# define MONGO_dassert(x)
#endif
#define dassert MONGO_dassert
// some special ids that we want to duplicate
// > 10000 asserts
// < 10000 UserException
enum { ASSERT_ID_DUPKEY = 11000 };
/* throws a uassertion with an appropriate msg */
void streamNotGood( int code , string msg , std::ios& myios );
inline void assertStreamGood(unsigned msgid, string msg, std::ios& myios) {
if( !myios.good() ) streamNotGood(msgid, msg, myios);
}
string demangleName( const type_info& typeinfo );
} // namespace mongo
#define BOOST_CHECK_EXCEPTION MONGO_BOOST_CHECK_EXCEPTION
#define MONGO_BOOST_CHECK_EXCEPTION( expression ) \
try { \
expression; \
} catch ( const std::exception &e ) { \
stringstream ss; \
ss << "caught boost exception: " << e.what(); \
msgasserted( 13294 , ss.str() ); \
} catch ( ... ) { \
massert( 10437 , "unknown boost failed" , false ); \
}
#define DESTRUCTOR_GUARD MONGO_DESTRUCTOR_GUARD
#define MONGO_DESTRUCTOR_GUARD( expression ) \
try { \
expression; \
} catch ( const std::exception &e ) { \
problem() << "caught exception (" << e.what() << ") in destructor (" << __FUNCTION__ << ")" << endl; \
} catch ( ... ) { \
problem() << "caught unknown exception in destructor (" << __FUNCTION__ << ")" << endl; \
}