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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include "mongo/util/assert_util.h"
#ifndef _WIN32
#include <cxxabi.h>
#include <sys/file.h>
#endif
#include <boost/exception/diagnostic_information.hpp>
#include <boost/exception/exception.hpp>
#include <exception>
#include "mongo/config.h"
#include "mongo/util/debug_util.h"
#include "mongo/util/debugger.h"
#include "mongo/util/exit.h"
#include "mongo/util/log.h"
#include "mongo/util/quick_exit.h"
#include "mongo/util/stacktrace.h"
#include "mongo/util/str.h"
namespace mongo {
AssertionCount assertionCount;
AssertionCount::AssertionCount() : regular(0), warning(0), msg(0), user(0), rollovers(0) {}
void AssertionCount::rollover() {
rollovers.fetchAndAdd(1);
regular.store(0);
warning.store(0);
msg.store(0);
user.store(0);
}
void AssertionCount::condrollover(int newvalue) {
static const int rolloverPoint = (1 << 30);
if (newvalue >= rolloverPoint)
rollover();
}
AtomicWord<bool> DBException::traceExceptions(false);
void DBException::traceIfNeeded(const DBException& e) {
if (traceExceptions.load()) {
warning() << "DBException thrown" << causedBy(e) << std::endl;
printStackTrace();
}
}
NOINLINE_DECL void verifyFailed(const char* expr, const char* file, unsigned line) {
assertionCount.condrollover(assertionCount.regular.addAndFetch(1));
error() << "Assertion failure " << expr << ' ' << file << ' ' << std::dec << line << std::endl;
logContext();
std::stringstream temp;
temp << "assertion " << file << ":" << line;
breakpoint();
#if defined(MONGO_CONFIG_DEBUG_BUILD)
// this is so we notice in buildbot
severe() << "\n\n***aborting after verify() failure as this is a debug/test build\n\n"
<< std::endl;
std::abort();
#endif
error_details::throwExceptionForStatus(Status(ErrorCodes::UnknownError, temp.str()));
}
NOINLINE_DECL void invariantFailed(const char* expr, const char* file, unsigned line) noexcept {
severe() << "Invariant failure " << expr << ' ' << file << ' ' << std::dec << line << std::endl;
breakpoint();
severe() << "\n\n***aborting after invariant() failure\n\n" << std::endl;
std::abort();
}
NOINLINE_DECL void invariantFailedWithMsg(const char* expr,
const std::string& msg,
const char* file,
unsigned line) noexcept {
severe() << "Invariant failure " << expr << " " << msg << " " << file << ' ' << std::dec << line
<< std::endl;
breakpoint();
severe() << "\n\n***aborting after invariant() failure\n\n" << std::endl;
std::abort();
}
NOINLINE_DECL void invariantOKFailed(const char* expr,
const Status& status,
const char* file,
unsigned line) noexcept {
severe() << "Invariant failure: " << expr << " resulted in status " << redact(status) << " at "
<< file << ' ' << std::dec << line;
breakpoint();
severe() << "\n\n***aborting after invariant() failure\n\n" << std::endl;
std::abort();
}
NOINLINE_DECL void invariantOKFailedWithMsg(const char* expr,
const Status& status,
const std::string& msg,
const char* file,
unsigned line) noexcept {
severe() << "Invariant failure: " << expr << " " << msg << " resulted in status "
<< redact(status) << " at " << file << ' ' << std::dec << line;
breakpoint();
severe() << "\n\n***aborting after invariant() failure\n\n" << std::endl;
std::abort();
}
NOINLINE_DECL void fassertFailedWithLocation(int msgid, const char* file, unsigned line) noexcept {
severe() << "Fatal Assertion " << msgid << " at " << file << " " << std::dec << line;
breakpoint();
severe() << "\n\n***aborting after fassert() failure\n\n" << std::endl;
std::abort();
}
NOINLINE_DECL void fassertFailedNoTraceWithLocation(int msgid,
const char* file,
unsigned line) noexcept {
severe() << "Fatal Assertion " << msgid << " at " << file << " " << std::dec << line;
breakpoint();
severe() << "\n\n***aborting after fassert() failure\n\n" << std::endl;
quickExit(EXIT_ABRUPT);
}
MONGO_COMPILER_NORETURN void fassertFailedWithStatusWithLocation(int msgid,
const Status& status,
const char* file,
unsigned line) noexcept {
severe() << "Fatal assertion " << msgid << " " << redact(status) << " at " << file << " "
<< std::dec << line;
breakpoint();
severe() << "\n\n***aborting after fassert() failure\n\n" << std::endl;
std::abort();
}
MONGO_COMPILER_NORETURN void fassertFailedWithStatusNoTraceWithLocation(int msgid,
const Status& status,
const char* file,
unsigned line) noexcept {
severe() << "Fatal assertion " << msgid << " " << redact(status) << " at " << file << " "
<< std::dec << line;
breakpoint();
severe() << "\n\n***aborting after fassert() failure\n\n" << std::endl;
quickExit(EXIT_ABRUPT);
}
NOINLINE_DECL void uassertedWithLocation(const Status& status, const char* file, unsigned line) {
assertionCount.condrollover(assertionCount.user.addAndFetch(1));
LOG(1) << "User Assertion: " << redact(status) << ' ' << file << ' ' << std::dec << line;
error_details::throwExceptionForStatus(status);
}
NOINLINE_DECL void msgassertedWithLocation(const Status& status, const char* file, unsigned line) {
assertionCount.condrollover(assertionCount.msg.addAndFetch(1));
error() << "Assertion: " << redact(status) << ' ' << file << ' ' << std::dec << line;
error_details::throwExceptionForStatus(status);
}
std::string causedBy(StringData e) {
constexpr auto prefix = " :: caused by :: "_sd;
std::string out;
out.reserve(prefix.size() + e.size());
out.append(prefix.rawData(), prefix.size());
out.append(e.rawData(), e.size());
return out;
}
std::string causedBy(const char* e) {
return causedBy(StringData(e));
}
std::string causedBy(const DBException& e) {
return causedBy(e.toString());
}
std::string causedBy(const std::exception& e) {
return causedBy(e.what());
}
std::string causedBy(const std::string& e) {
return causedBy(StringData(e));
}
std::string causedBy(const Status& e) {
return causedBy(e.toString());
}
std::string demangleName(const std::type_info& typeinfo) {
#ifdef _WIN32
return typeinfo.name();
#else
int status;
char* niceName = abi::__cxa_demangle(typeinfo.name(), nullptr, nullptr, &status);
if (!niceName)
return typeinfo.name();
std::string s = niceName;
free(niceName);
return s;
#endif
}
Status exceptionToStatus() noexcept {
try {
throw;
} catch (const DBException& ex) {
return ex.toStatus();
} catch (const std::exception& ex) {
return Status(ErrorCodes::UnknownError,
str::stream() << "Caught std::exception of type " << demangleName(typeid(ex))
<< ": "
<< ex.what());
} catch (const boost::exception& ex) {
return Status(
ErrorCodes::UnknownError,
str::stream() << "Caught boost::exception of type " << demangleName(typeid(ex)) << ": "
<< boost::diagnostic_information(ex));
} catch (...) {
severe() << "Caught unknown exception in exceptionToStatus()";
std::terminate();
}
}
}
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