StaticHandler.h

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/*
 *  Copyright (c) 2015-present, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 *
 */
#pragma once

#include <folly/Memory.h>
#include <folly/File.h>
#include <proxygen/httpserver/RequestHandler.h>

namespace proxygen {
class ResponseHandler;
}

namespace StaticService {

class StaticHandler : public proxygen::RequestHandler {
 public:
  void onRequest(std::unique_ptr<proxygen::HTTPMessage> headers)
      noexcept override;

  void onBody(std::unique_ptr<folly::IOBuf> body) noexcept override;

  void onEOM() noexcept override;

  void onUpgrade(proxygen::UpgradeProtocol proto) noexcept override;

  void requestComplete() noexcept override;

  void onError(proxygen::ProxygenError err) noexcept override;

  void onEgressPaused() noexcept override;

  void onEgressResumed() noexcept override;

 private:
  void readFile(folly::EventBase* evb);
  bool checkForCompletion();

  std::unique_ptr<folly::File> file_;
  bool readFileScheduled_{false};
  std::atomic<bool> paused_{false};
  bool finished_{false};
};

}