internal static void CopyHeaders(CompressionLevel compression, ZipArchive package, DataCopier copier, StorageEnvironmentOptions storageEnvironmentOptions, string basePath)
{
var success = false;
foreach (var headerFileName in HeaderAccessor.HeaderFileNames)
{
var header = stackalloc FileHeader[1];
if (!storageEnvironmentOptions.ReadHeader(headerFileName, header))
{
continue;
}
success = true;
var headerPart = package.CreateEntry(Path.Combine(basePath, headerFileName), compression);
Debug.Assert(headerPart != null);
using (var headerStream = headerPart.Open())
{
copier.ToStream((byte *)header, sizeof(FileHeader), headerStream);
}
}
if (!success)
{
throw new InvalidDataException($"Failed to read both file headers (headers.one & headers.two) from path: {basePath}, possible corruption.");
}
}
internal static void CopyHeaders(CompressionLevel compression, ZipArchive package, DataCopier copier, StorageEnvironmentOptions storageEnvironmentOptions)
{
foreach (var headerFileName in HeaderAccessor.HeaderFileNames)
{
var header = stackalloc FileHeader[1];
if (!storageEnvironmentOptions.ReadHeader(headerFileName, header))
continue;
var headerPart = package.CreateEntry(headerFileName, compression);
Debug.Assert(headerPart != null);
using (var headerStream = headerPart.Open())
{
copier.ToStream((byte*)header, sizeof(FileHeader), headerStream);
}
}
}
internal static void CopyHeaders(CompressionLevel compression, ZipArchive package, DataCopier copier, StorageEnvironmentOptions storageEnvironmentOptions)
{
foreach (var headerFileName in HeaderAccessor.HeaderFileNames)
{
var header = stackalloc FileHeader[1];
if (!storageEnvironmentOptions.ReadHeader(headerFileName, header))
{
continue;
}
var headerPart = package.CreateEntry(headerFileName, compression);
Debug.Assert(headerPart != null);
using (var headerStream = headerPart.Open())
{
copier.ToStream((byte *)header, sizeof(FileHeader), headerStream, CancellationToken.None);
}
}
}
public JournalInfo CopyHeaders(CompressionLevel compressionLevel, ZipArchive package, DataCopier copier, StorageEnvironmentOptions envOptions, string basePath)
{
_locker.EnterReadLock(); //race between reading the headers while modifying them
try
{
var header = stackalloc FileHeader[1];
var success = false;
foreach (var headerFileName in HeaderFileNames)
{
if (envOptions.ReadHeader(headerFileName, header) == false)
{
continue;
}
success = true;
var headerPart = package.CreateEntry(Path.Combine(basePath, headerFileName), compressionLevel);
Debug.Assert(headerPart != null);
using (var headerStream = headerPart.Open())
{
copier.ToStream((byte *)header, sizeof(FileHeader), headerStream);
}
}
if (!success)
{
throw new InvalidDataException($"Failed to read both file headers (headers.one & headers.two) from path: {basePath}, possible corruption.");
}
return(_theHeader->Journal);
}
finally
{
_locker.ExitReadLock();
}
}
