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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.
*/
#include <ostream>
#include <sstream>
#include "mongo/base/status.h"
#include "mongo/db/jsobj.h"
#include "mongo/logv2/log.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/str.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kControl
namespace mongo {
Status& Status::addContext(StringData reasonPrefix) {
if (!isOK()) {
boost::intrusive_ptr oldInfo = std::move(_error);
const Status::ErrorInfo& e = *oldInfo;
_error = _createErrorInfo(e.code, reasonPrefix + causedBy(e.reason), e.extra);
}
return *this;
}
std::string Status::toString() const {
StringBuilder sb;
sb << *this;
return sb.str();
}
void Status::serialize(BSONObjBuilder* builder) const {
builder->append("code", code());
builder->append("codeName", ErrorCodes::errorString(code()));
if (!isOK()) {
builder->append("errmsg", reason());
if (const auto& ei = extraInfo())
ei->serialize(builder);
}
}
boost::intrusive_ptr<const Status::ErrorInfo> Status::_createErrorInfo(
ErrorCodes::Error code, std::string reason, std::shared_ptr<const ErrorExtraInfo> extra) {
if (code == ErrorCodes::OK)
return nullptr;
if (extra) {
// The public API prevents getting into this state.
invariant(ErrorCodes::canHaveExtraInfo(code));
} else if (ErrorCodes::mustHaveExtraInfo(code)) {
// If an ErrorExtraInfo class is non-optional, return an error.
// This is possible if code calls a 2-argument Status constructor with a code that should
// have extra info.
if (kDebugBuild) {
// Make it easier to find this issue by fatally failing in debug builds.
LOGV2_FATAL(40680, "Code {code} is supposed to have extra info", "code"_attr = code);
}
// In release builds, replace the error code. This maintains the invariant that all Statuses
// for a code that is supposed to hold extra info hold correctly-typed extra info, without
// crashing the server.
return make_intrusive<ErrorInfo>(
ErrorCodes::Error(40671),
str::stream() << "Missing required extra info for error code " << code,
std::move(extra));
}
return make_intrusive<ErrorInfo>(code, std::move(reason), std::move(extra));
}
boost::intrusive_ptr<const Status::ErrorInfo> Status::_parseErrorInfo(ErrorCodes::Error code,
std::string reason,
const BSONObj& extraObj) {
std::shared_ptr<const ErrorExtraInfo> extra;
if (auto parser = ErrorExtraInfo::parserFor(code)) {
try {
extra = parser(extraObj);
} catch (const DBException& ex) {
if (ErrorCodes::mustHaveExtraInfo(code)) {
return ex.toStatus(str::stream() << "Error parsing extra info for " << code)._error;
}
}
}
return _createErrorInfo(code, std::move(reason), std::move(extra));
}
std::ostream& Status::_streamTo(std::ostream& os) const {
return os << codeString() << " " << reason();
}
StringBuilder& Status::_streamTo(StringBuilder& sb) const {
sb << codeString();
if (!isOK()) {
try {
if (const auto& extra = extraInfo()) {
BSONObjBuilder bob;
extra->serialize(&bob);
sb << bob.done();
}
} catch (const DBException&) {
// This really shouldn't happen but it would be really annoying if it broke error
// logging in production.
if (kDebugBuild) {
LOGV2_FATAL_CONTINUE(
23806,
"Error serializing extra info for {status_code} in Status::toString()",
"status_code"_attr = code());
std::terminate();
}
}
sb << ": " << reason();
}
return sb;
}
} // namespace mongo
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