2 * Copyright 2004-present Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include <folly/Range.h>
23 * LogWriter defines the interface for processing a serialized log message.
27 virtual ~LogWriter() {}
30 * Write a serialized log message.
32 virtual void writeMessage(folly::StringPiece buffer) = 0;
35 * Write a serialized message.
37 * This version of writeMessage() accepts a std::string&&.
38 * The default implementation calls the StringPiece version of
39 * writeMessage(), but subclasses may override this implementation if
42 virtual void writeMessage(std::string&& buffer) {
43 writeMessage(folly::StringPiece{buffer});