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

40 lines
1.4 KiB
C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#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;
};