protected static bool WriteIncomingFile(BinaryReader BinaryData, int FileIndex, string DestinationFolderPath)
{
try
{
Int32 CurrentFileIndex = BinaryData.ReadInt32();
if (CurrentFileIndex != FileIndex)
{
CrashReporterProcessServicer.WriteFailure("! WriteIncomingFile index mismatch: Required=" + FileIndex + " Read=" + CurrentFileIndex);
return(false);
}
string Filename = FBinaryReaderHelper.ReadFixedSizeString(BinaryData);
string SafeFilename = GetSafeFilename(Filename);
Int32 FiledataLength = BinaryData.ReadInt32();
byte[] Filedata = BinaryData.ReadBytes(FiledataLength);
Directory.CreateDirectory(DestinationFolderPath);
File.WriteAllBytes(Path.Combine(DestinationFolderPath, SafeFilename), Filedata);
return(true);
}
catch (Exception Ex)
{
throw new CrashReporterException(string.Format("! WriteIncomingFile failed writing FileIndex={0} FolderPath={1}", FileIndex, DestinationFolderPath), Ex);
}
}
public static CrashHeader ParseCrashHeader(BinaryReader Reader)
{
var OutCrashHeader = new CrashHeader();
OutCrashHeader.DirectoryName = FBinaryReaderHelper.ReadFixedSizeString(Reader);
OutCrashHeader.FileName = FBinaryReaderHelper.ReadFixedSizeString(Reader);
OutCrashHeader.UncompressedSize = Reader.ReadInt32();
OutCrashHeader.FileCount = Reader.ReadInt32();
return(OutCrashHeader);
}
/// <summary>
/// Decompresses a compressed crash report.
/// </summary>
unsafe private bool DecompressReport(string CompressedReportPath, FCompressedCrashInformation Meta)
{
string ReportPath = Path.GetDirectoryName(CompressedReportPath);
using (FileStream FileStream = File.OpenRead(CompressedReportPath))
{
Int32 UncompressedSize = Meta.GetUncompressedSize();
Int32 CompressedSize = Meta.GetCompressedSize();
if (FileStream.Length != CompressedSize)
{
return(false);
}
byte[] UncompressedBufferArray = new byte[UncompressedSize];
byte[] CompressedBufferArray = new byte[CompressedSize];
FileStream.Read(CompressedBufferArray, 0, CompressedSize);
fixed(byte *UncompressedBufferPtr = UncompressedBufferArray, CompressedBufferPtr = CompressedBufferArray)
{
bool bResult = UE4UncompressMemoryZLIB((IntPtr)UncompressedBufferPtr, UncompressedSize, (IntPtr)CompressedBufferPtr, CompressedSize);
if (!bResult)
{
CrashReporterProcessServicer.WriteFailure("! ZLibFail: Path=" + ReportPath);
return(false);
}
}
MemoryStream MemoryStream = new MemoryStream(UncompressedBufferArray, false);
BinaryReader BinaryData = new BinaryReader(MemoryStream);
for (int FileIndex = 0; FileIndex < Meta.GetNumberOfFiles(); FileIndex++)
{
Int32 CurrentFileIndex = BinaryData.ReadInt32();
if (CurrentFileIndex != FileIndex)
{
CrashReporterProcessServicer.WriteFailure("! ReadFail: Required=" + FileIndex + " Read=" + CurrentFileIndex);
return(false);
}
string Filename = FBinaryReaderHelper.ReadFixedSizeString(BinaryData);
Int32 FiledataLength = BinaryData.ReadInt32();
byte[] Filedata = BinaryData.ReadBytes(FiledataLength);
File.WriteAllBytes(Path.Combine(ReportPath, Filename), Filedata);
}
}
return(true);
}
