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o3de/Code/Tools/AssetProcessor/native/utilities/CommunicatorTracePrinter.h

36 lines
1.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzFramework/Process/ProcessCommunicator.h>
//! CommunicatorTracePrinter listens to stderr and stdout of a running process and writes its output to the AZ_Trace system
//! Importantly, it does not do any blocking operations.
class CommunicatorTracePrinter
{
public:
CommunicatorTracePrinter(AzFramework::ProcessCommunicator* communicator, const char* window);
~CommunicatorTracePrinter();
// call this periodically to drain the buffers and write them.
void Pump();
// drains the buffer into the string thats being built, then traces the string when it hits a newline.
void ParseDataBuffer(AZ::u32 readSize, bool isFromStdErr);
void WriteCurrentString(bool isFromStdError);
private:
AZStd::string m_window;
AzFramework::ProcessCommunicator* m_communicator;
char m_streamBuffer[128];
AZStd::string m_stringBeingConcatenated;
AZStd::string m_errorStringBeingConcatenated;
};