public void addChunk(WriteFileCommand writeChunkCommand)
{
if (writeChunkCommand is SparseWriteCommand)
{
PackingType = PackingType.Sparse;
}
else if (writeChunkCommand is UnlzoCommand)
{
PackingType = PackingType.Lzo;
}
FileChunksTotalSize += writeChunkCommand.Size;
Chunks.Add(writeChunkCommand);
}
public List <WriteFileCommand> pack(string workDirectory, FileStream outputStream, IMessageLogger messageLogger)
{
long currentOffset = outputStream.Position;
List <WriteFileCommand> chunks = new List <WriteFileCommand>();
if (Chunks.Count > 0)
{
messageLogger.logMessage($"Добавление образа {Name}.");
string imgFilename = Path.Combine(workDirectory, Name + ".img");
WriteFileCommand command = Chunks[0];
if (command is WritePiCommand writePiCommand)
{
long size = writeFileToBinary(outputStream, imgFilename);
chunks.Add(new WritePiCommand(writePiCommand, currentOffset, size));
}
else if (command is WriteBootCommand writeBootCommand)
{
long size = writeFileToBinary(outputStream, imgFilename);
chunks.Add(new WriteBootCommand(writeBootCommand, currentOffset, size));
}
else if (command is StoreSecureInfoCommand storeSecureInfoCommand)
{
long size = writeFileToBinary(outputStream, imgFilename);
chunks.Add(new StoreSecureInfoCommand(storeSecureInfoCommand, currentOffset, size));
}
else if (command is StoreNuttxConfigCommand storeNuttxConfigCommand)
{
long size = writeFileToBinary(outputStream, imgFilename);
chunks.Add(new StoreNuttxConfigCommand(storeNuttxConfigCommand, currentOffset, size));
}
else if (command is SparseWriteCommand writeSparseCommand)
{
messageLogger.logMessage("Упаковка sparse.");
// string simgFilename = Path.Combine( workDirectory, Name + ".simg" );
Compress.Sparse.Compress(imgFilename, 4096, 157286400);
int index = 0;
string chunkFileName = imgFilename + ".chunk." + index++;
while (File.Exists(chunkFileName))
{
messageLogger.logMessage("Добавление части " + index + ".");
currentOffset = outputStream.Position;
long size = writeFileToBinary(outputStream, chunkFileName);
File.Delete(chunkFileName);
chunks.Add(new SparseWriteCommand(writeSparseCommand, currentOffset, size, firstChunk: index == 1));
chunkFileName = imgFilename + ".chunk." + index++;
}
}
else if (command is UnlzoCommand unlzoCommand)
{
const long chunkSize = 100 * 1024 * 1024;
messageLogger.logMessage("Упаковка lzo.");
string wholeLzoFilename = imgFilename + ".lzo";
if (File.Exists(wholeLzoFilename))
{
File.Delete(wholeLzoFilename);
}
Compress.Lzo.Compress(imgFilename, wholeLzoFilename);
long packedLength = 0;
using (FileStream inputStream = new FileStream(wholeLzoFilename, FileMode.Open, FileAccess.Read)) {
packedLength = inputStream.Length;
}
if (packedLength < chunkSize)
{
currentOffset = outputStream.Position;
long size = writeFileToBinary(outputStream, wholeLzoFilename);
//long size = (!File.Exists( imgFilename + ".chunk.1" )) ?
// writeFileToBinary( outputStream, wholeLzoFilename ) :
// writeFileToBinary( outputStream, imgFilename + ".chunk.1" );
chunks.Add(new UnlzoCommand(unlzoCommand, currentOffset, size, firstChunk: true));
}
else
{
using (FileStream inputStream = new FileStream(imgFilename, FileMode.Open, FileAccess.Read))
{
long imgLength = inputStream.Length;
//if (!File.Exists( imgFilename + ".chunk.1" ))
{
messageLogger.logMessage("Разбиение на чанки.");
int chunksCounter = 0;
for (long position = 0; position < imgLength; position += chunkSize)
{
chunksCounter++;
long remainderLength = imgLength - position;
//readFileFromBinary( inputStream, position, remainderLength >= chunkSize ? chunkSize : remainderLength, imgFilename + $"a{(chunksCounter + 9):X}" );
readFileFromBinary(inputStream, position, remainderLength >= chunkSize ? chunkSize : remainderLength, imgFilename + ".plain_chunk." + chunksCounter);
}
if (chunksCounter > 1)
{
messageLogger.logMessage("Упаковка " + chunksCounter + " частей.");
}
for (int chunkIndex = 1; chunkIndex <= chunksCounter; chunkIndex++)
{
messageLogger.logMessage("Упаковка части " + chunkIndex + ".");
//string plainChunkName = imgFilename + $"a{(chunkIndex + 9):X}";
string plainChunkName = imgFilename + ".plain_chunk." + chunkIndex;
string chunkName = imgFilename + ".chunk." + chunkIndex;
if (File.Exists(chunkName))
{
File.Delete(chunkName);
}
Compress.Lzo.Compress(plainChunkName, chunkName);
File.Delete(plainChunkName);
}
}
//for (int chunkIndex = 1; chunkIndex <= chunksCounter; chunkIndex++)
for (int chunkIndex = 1; File.Exists(imgFilename + ".chunk." + chunkIndex); chunkIndex++)
{
messageLogger.logMessage("Добавление части " + chunkIndex + ".");
currentOffset = outputStream.Position;
long size = writeFileToBinary(outputStream, imgFilename + ".chunk." + chunkIndex);
File.Delete(imgFilename + ".chunk." + chunkIndex);
chunks.Add(new UnlzoCommand(unlzoCommand, currentOffset, size, firstChunk: chunkIndex == 1));
}
}
}
File.Delete(wholeLzoFilename);
}
}
return(chunks);
}
public Partition(WriteFileCommand writeChunkCommand)
{
Name = writeChunkCommand.PartitionName;
Size = writeChunkCommand.Size;
}