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// assert_util.cpp
/* 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.
*/
#include "pch.h"
#include "assert_util.h"
#include "assert.h"
//#include "file.h"
#include <cmath>
using namespace std;
#ifndef _WIN32
#include <cxxabi.h>
#include <sys/file.h>
#endif
//#include "../bson/bson.h"
#include "../db/jsobj.h"
namespace mongo {
AssertionCount assertionCount;
AssertionCount::AssertionCount()
: regular(0),warning(0),msg(0),user(0),rollovers(0) {
}
void AssertionCount::rollover() {
rollovers++;
regular = 0;
warning = 0;
msg = 0;
user = 0;
}
void AssertionCount::condrollover( int newvalue ) {
static int max = (int)pow( 2.0 , 30 );
if ( newvalue >= max )
rollover();
}
void ExceptionInfo::append( BSONObjBuilder& b , const char * m , const char * c ) const {
if ( msg.empty() )
b.append( m , "unknown assertion" );
else
b.append( m , msg );
if ( code )
b.append( c , code );
}
string getDbContext();
/* "warning" assert -- safe to continue, so we don't throw exception. */
NOINLINE_DECL void wasserted(const char *msg, const char *file, unsigned line) {
static bool rateLimited;
static time_t lastWhen;
static unsigned lastLine;
if( lastLine == line && time(0)-lastWhen < 5 ) {
if( rateLimited++ == 0 ) {
log() << "rate limiting wassert" << endl;
}
return;
}
lastWhen = time(0);
lastLine = line;
problem() << "warning assertion failure " << msg << ' ' << file << ' ' << dec << line << endl;
sayDbContext();
raiseError(0,msg && *msg ? msg : "wassertion failure");
assertionCount.condrollover( ++assertionCount.warning );
#if defined(_DEBUG) || defined(_DURABLEDEFAULTON) || defined(_DURABLEDEFAULTOFF)
// this is so we notice in buildbot
log() << "\n\n***aborting after wassert() failure in a debug/test build\n\n" << endl;
abort();
#endif
}
NOINLINE_DECL void asserted(const char *msg, const char *file, unsigned line) {
assertionCount.condrollover( ++assertionCount.regular );
problem() << "Assertion failure " << msg << ' ' << file << ' ' << dec << line << endl;
sayDbContext();
raiseError(0,msg && *msg ? msg : "assertion failure");
stringstream temp;
temp << "assertion " << file << ":" << line;
AssertionException e(temp.str(),0);
breakpoint();
#if defined(_DEBUG) || defined(_DURABLEDEFAULTON) || defined(_DURABLEDEFAULTOFF)
// this is so we notice in buildbot
log() << "\n\n***aborting after assert() failure in a debug/test build\n\n" << endl;
abort();
#endif
throw e;
}
NOINLINE_DECL void verifyFailed( int msgid ) {
assertionCount.condrollover( ++assertionCount.regular );
problem() << "Assertion failure " << msgid << endl;
sayDbContext();
raiseError(0,"assertion failure");
stringstream temp;
temp << msgid;
AssertionException e(temp.str(),0);
breakpoint();
#if defined(_DEBUG) || defined(_DURABLEDEFAULTON) || defined(_DURABLEDEFAULTOFF)
// this is so we notice in buildbot
log() << "\n\n***aborting after verify() failure in a debug/test build\n\n" << endl;
abort();
#endif
throw e;
}
void uassert_nothrow(const char *msg) {
raiseError(0,msg);
}
NOINLINE_DECL void uasserted(int msgid, const char *msg) {
assertionCount.condrollover( ++assertionCount.user );
LOG(1) << "User Assertion: " << msgid << ":" << msg << endl;
raiseError(msgid,msg);
throw UserException(msgid, msg);
}
NOINLINE_DECL void msgasserted(int msgid, const char *msg) {
assertionCount.condrollover( ++assertionCount.warning );
tlog() << "Assertion: " << msgid << ":" << msg << endl;
raiseError(msgid,msg && *msg ? msg : "massert failure");
breakpoint();
printStackTrace();
throw MsgAssertionException(msgid, msg);
}
NOINLINE_DECL void msgassertedNoTrace(int msgid, const char *msg) {
assertionCount.condrollover( ++assertionCount.warning );
log() << "Assertion: " << msgid << ":" << msg << endl;
raiseError(msgid,msg && *msg ? msg : "massert failure");
throw MsgAssertionException(msgid, msg);
}
NOINLINE_DECL void streamNotGood( int code , string msg , std::ios& myios ) {
stringstream ss;
// errno might not work on all systems for streams
// if it doesn't for a system should deal with here
ss << msg << " stream invalid: " << errnoWithDescription();
throw UserException( code , ss.str() );
}
string errnoWithPrefix( const char * prefix ) {
stringstream ss;
if ( prefix )
ss << prefix << ": ";
ss << errnoWithDescription();
return ss.str();
}
string demangleName( const type_info& typeinfo ) {
#ifdef _WIN32
return typeinfo.name();
#else
int status;
char * niceName = abi::__cxa_demangle(typeinfo.name(), 0, 0, &status);
if ( ! niceName )
return typeinfo.name();
string s = niceName;
free(niceName);
return s;
#endif
}
NOINLINE_DECL ErrorMsg::ErrorMsg(const char *msg, char ch) {
int l = strlen(msg);
assert( l < 128);
memcpy(buf, msg, l);
char *p = buf + l;
p[0] = ch;
p[1] = 0;
}
NOINLINE_DECL ErrorMsg::ErrorMsg(const char *msg, unsigned val) {
int l = strlen(msg);
assert( l < 128);
memcpy(buf, msg, l);
char *p = buf + l;
sprintf(p, "%u", val);
}
}
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