60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <folly/logging/StreamHandlerFactory.h>
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#include <folly/Conv.h>
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#include <folly/logging/FileWriterFactory.h>
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#include <folly/logging/StandardLogHandler.h>
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#include <folly/logging/StandardLogHandlerFactory.h>
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namespace folly {
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bool StreamHandlerFactory::WriterFactory::processOption(
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StringPiece name, StringPiece value) {
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if (name == "stream") {
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stream_ = value.str();
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return true;
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}
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return fileWriterFactory_.processOption(name, value);
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}
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std::shared_ptr<LogWriter> StreamHandlerFactory::WriterFactory::createWriter() {
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// Get the output file to use
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File outputFile;
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if (stream_.empty()) {
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throw std::invalid_argument("no stream name specified for stream handler");
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} else if (stream_ == "stderr") {
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outputFile = File{STDERR_FILENO, /* ownsFd */ false};
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} else if (stream_ == "stdout") {
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outputFile = File{STDOUT_FILENO, /* ownsFd */ false};
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} else {
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throw std::invalid_argument(to<std::string>(
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"unknown stream \"", stream_, "\": expected one of stdout or stderr"));
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}
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return fileWriterFactory_.createWriter(std::move(outputFile));
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}
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std::shared_ptr<LogHandler> StreamHandlerFactory::createHandler(
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const Options& options) {
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WriterFactory writerFactory;
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return StandardLogHandlerFactory::createHandler(
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getType(), &writerFactory, options);
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}
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} // namespace folly
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