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- /*
- * Copyright 2017-present Facebook, 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 <folly/logging/LogConfig.h>
- #include <folly/Conv.h>
- namespace folly {
- bool LogConfig::operator==(const LogConfig& other) const {
- return handlerConfigs_ == other.handlerConfigs_ &&
- categoryConfigs_ == other.categoryConfigs_;
- }
- bool LogConfig::operator!=(const LogConfig& other) const {
- return !(*this == other);
- }
- void LogConfig::update(const LogConfig& other) {
- // Update handlerConfigs_ with all of the entries from the other LogConfig.
- // Any entries already present in our handlerConfigs_ are replaced wholesale.
- for (const auto& entry : other.handlerConfigs_) {
- if (entry.second.type.hasValue()) {
- // This is a complete LogHandlerConfig that should be inserted
- // or completely replace an existing handler config with this name.
- auto result = handlerConfigs_.insert(entry);
- if (!result.second) {
- result.first->second = entry.second;
- }
- } else {
- // This config is updating an existing LogHandlerConfig rather than
- // completely replacing it.
- auto iter = handlerConfigs_.find(entry.first);
- if (iter == handlerConfigs_.end()) {
- throw std::invalid_argument(to<std::string>(
- "cannot update configuration for unknown log handler \"",
- entry.first,
- "\""));
- }
- iter->second.update(entry.second);
- }
- }
- // Update categoryConfigs_ with all of the entries from the other LogConfig.
- //
- // Any entries already present in our categoryConfigs_ are merged: if the new
- // configuration does not include handler settings our entry's settings are
- // maintained.
- for (const auto& entry : other.categoryConfigs_) {
- auto result = categoryConfigs_.insert(entry);
- if (!result.second) {
- auto* existingEntry = &result.first->second;
- auto oldHandlers = std::move(existingEntry->handlers);
- *existingEntry = entry.second;
- if (!existingEntry->handlers.hasValue()) {
- existingEntry->handlers = std::move(oldHandlers);
- }
- }
- }
- }
- } // namespace folly
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