100 lines
4.5 KiB
C
100 lines
4.5 KiB
C
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/**
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* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0.
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*/
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#pragma once
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#include <aws/core/utils/HashingUtils.h>
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#include <aws/core/utils/event/EventStreamHandler.h>
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#include <aws/core/client/AWSError.h>
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#include <aws/s3/S3_EXPORTS.h>
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#include <aws/s3/S3Errors.h>
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#include <aws/s3/model/SelectObjectContentInitialResponse.h>
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#include <aws/s3/model/RecordsEvent.h>
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#include <aws/s3/model/StatsEvent.h>
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#include <aws/s3/model/ProgressEvent.h>
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namespace Aws
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{
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namespace S3
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{
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namespace Model
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{
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enum class SelectObjectContentEventType
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{
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INITIAL_RESPONSE,
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RECORDS,
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STATS,
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PROGRESS,
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CONT,
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END,
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UNKNOWN
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};
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class SelectObjectContentHandler : public Aws::Utils::Event::EventStreamHandler
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{
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typedef std::function<void(const SelectObjectContentInitialResponse&)> SelectObjectContentInitialResponseCallback;
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typedef std::function<void(const SelectObjectContentInitialResponse&, const Utils::Event::InitialResponseType)> SelectObjectContentInitialResponseCallbackEx;
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typedef std::function<void(const RecordsEvent&)> RecordsEventCallback;
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typedef std::function<void(const StatsEvent&)> StatsEventCallback;
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typedef std::function<void(const ProgressEvent&)> ProgressEventCallback;
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typedef std::function<void()> ContinuationEventCallback;
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typedef std::function<void()> EndEventCallback;
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typedef std::function<void(const Aws::Client::AWSError<S3Errors>& error)> ErrorCallback;
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public:
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AWS_S3_API SelectObjectContentHandler();
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AWS_S3_API SelectObjectContentHandler& operator=(const SelectObjectContentHandler&) = default;
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AWS_S3_API virtual void OnEvent() override;
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///@{
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/**
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* Sets an initial response callback. This callback gets called on the initial SelectObjectContent Operation response.
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* This can be either "initial-response" decoded event frame or decoded HTTP headers received on connection.
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* This callback may get called more than once (i.e. on connection headers received and then on the initial-response event received).
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* @param callback
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*/
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inline void SetInitialResponseCallbackEx(const SelectObjectContentInitialResponseCallbackEx& callback) { m_onInitialResponse = callback; }
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/**
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* Sets an initial response callback (a legacy one that does not distinguish whether response originates from headers or from the event).
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*/
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inline void SetInitialResponseCallback(const SelectObjectContentInitialResponseCallback& noArgCallback)
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{
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m_onInitialResponse = [noArgCallback](const SelectObjectContentInitialResponse& rs, const Utils::Event::InitialResponseType) { return noArgCallback(rs); };
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}
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///@}
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inline void SetRecordsEventCallback(const RecordsEventCallback& callback) { m_onRecordsEvent = callback; }
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inline void SetStatsEventCallback(const StatsEventCallback& callback) { m_onStatsEvent = callback; }
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inline void SetProgressEventCallback(const ProgressEventCallback& callback) { m_onProgressEvent = callback; }
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inline void SetContinuationEventCallback(const ContinuationEventCallback& callback) { m_onContinuationEvent = callback; }
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inline void SetEndEventCallback(const EndEventCallback& callback) { m_onEndEvent = callback; }
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inline void SetOnErrorCallback(const ErrorCallback& callback) { m_onError = callback; }
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inline SelectObjectContentInitialResponseCallbackEx& GetInitialResponseCallbackEx() { return m_onInitialResponse; }
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private:
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AWS_S3_API void HandleEventInMessage();
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AWS_S3_API void HandleErrorInMessage();
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AWS_S3_API void MarshallError(const Aws::String& errorCode, const Aws::String& errorMessage);
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SelectObjectContentInitialResponseCallbackEx m_onInitialResponse;
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RecordsEventCallback m_onRecordsEvent;
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StatsEventCallback m_onStatsEvent;
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ProgressEventCallback m_onProgressEvent;
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ContinuationEventCallback m_onContinuationEvent;
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EndEventCallback m_onEndEvent;
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ErrorCallback m_onError;
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};
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namespace SelectObjectContentEventMapper
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{
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AWS_S3_API SelectObjectContentEventType GetSelectObjectContentEventTypeForName(const Aws::String& name);
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AWS_S3_API Aws::String GetNameForSelectObjectContentEventType(SelectObjectContentEventType value);
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} // namespace SelectObjectContentEventMapper
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} // namespace Model
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} // namespace S3
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} // namespace Aws
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