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6d3ba2bef9
- Uncovers a problem with DWLinux - files added/removed in a subdirectory get reported with an incorrect path. [CL 2479558 by Dmitry Rekman in Main branch]
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#include "PrivatePCH.h"
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#include "IDirectoryWatcher.h"
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#include "DirectoryWatcherModule.h"
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#include "TestDirectoryWatcher.h"
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struct FChangeDetector
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{
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void OnDirectoryChanged(const TArray<FFileChangeData>& FileChanges)
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{
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UE_LOG(LogTestPAL, Display, TEXT("%d change(s) detected"), static_cast<int32>(FileChanges.Num()));
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int ChangeIdx = 0;
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for (const auto& ThisEntry : FileChanges)
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{
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UE_LOG(LogTestPAL, Display, TEXT(" Change %d: %s was %s"),
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++ChangeIdx,
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*ThisEntry.Filename,
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ThisEntry.Action == FFileChangeData::FCA_Added ? TEXT("added") :
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(ThisEntry.Action == FFileChangeData::FCA_Removed ? TEXT("removed") :
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(ThisEntry.Action == FFileChangeData::FCA_Modified ? TEXT("modified") : TEXT("??? (unknown)")
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)
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)
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);
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}
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}
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};
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/**
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* Kicks directory watcher test/
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*/
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int32 DirectoryWatcherTest(const TCHAR* CommandLine)
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{
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FPlatformMisc::SetCrashHandler(NULL);
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FPlatformMisc::SetGracefulTerminationHandler();
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GEngineLoop.PreInit(CommandLine);
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UE_LOG(LogTestPAL, Display, TEXT("Running directory watcher test."));
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IPlatformFile& PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
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FString TestDir = FString::Printf(TEXT("/tmp/DirectoryWatcherTest%d"), FPlatformProcess::GetCurrentProcessId());
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if (PlatformFile.CreateDirectory(*TestDir) && PlatformFile.CreateDirectory(*(TestDir + TEXT("/subtest"))))
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{
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FChangeDetector Detector;
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FDelegateHandle DirectoryChangedHandle;
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IDirectoryWatcher* DirectoryWatcher = FModuleManager::Get().LoadModuleChecked<FDirectoryWatcherModule>(TEXT("DirectoryWatcher")).Get();
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if (DirectoryWatcher)
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{
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auto Callback = IDirectoryWatcher::FDirectoryChanged::CreateRaw(&Detector, &FChangeDetector::OnDirectoryChanged);
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DirectoryWatcher->RegisterDirectoryChangedCallback_Handle(TestDir, Callback, DirectoryChangedHandle);
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}
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else
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{
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UE_LOG(LogTestPAL, Fatal, TEXT("Could not get DirectoryWatcher module"));
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}
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FPlatformProcess::Sleep(1.0f);
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DirectoryWatcher->Tick(1.0f);
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// create and remove directory
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UE_LOG(LogTestPAL, Log, TEXT("Creating '%s'"), *(TestDir+TEXT("/test")));
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PlatformFile.CreateDirectory(*(TestDir+TEXT("/test")));
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FPlatformProcess::Sleep(1.0f);
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DirectoryWatcher->Tick(1.0f);
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UE_LOG(LogTestPAL, Log, TEXT("Deleting '%s'"), *(TestDir+TEXT("/test")));
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PlatformFile.DeleteDirectory(*(TestDir+TEXT("/test")));
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FPlatformProcess::Sleep(1.0f);
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DirectoryWatcher->Tick(1.0f);
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// create and remove in a sub directory
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UE_LOG(LogTestPAL, Log, TEXT("Creating '%s'"), *(TestDir+TEXT("/subtest/blah")));
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PlatformFile.CreateDirectory(*(TestDir+TEXT("/subtest/blah")));
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FPlatformProcess::Sleep(1.0f);
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DirectoryWatcher->Tick(1.0f);
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UE_LOG(LogTestPAL, Log, TEXT("Deleting '%s'"), *(TestDir+TEXT("/subtest/blah")));
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PlatformFile.DeleteDirectory(*(TestDir+TEXT("/subtest/blah")));
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FPlatformProcess::Sleep(1.0f);
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DirectoryWatcher->Tick(1.0f);
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// clean up
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DirectoryWatcher->UnregisterDirectoryChangedCallback_Handle(TestDir, DirectoryChangedHandle);
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// remove dirs as well
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PlatformFile.DeleteDirectory(*(TestDir + TEXT("/subtest")));
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PlatformFile.DeleteDirectory(*TestDir);
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}
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else
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{
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UE_LOG(LogTestPAL, Fatal, TEXT("Could not create test directory %s."), *TestDir);
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}
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FEngineLoop::AppPreExit();
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FEngineLoop::AppExit();
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return 0;
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}
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