public void Start(object buffer)
{
ByteBufferOnArray byteBuffer = (ByteBufferOnArray)buffer;
while (byteBuffer.HasAlmostOneChunk())
{
processedChunksCount = 0;
dict.Clear();
processingThreads.Clear();
for (int i = 0; i < threadCount; i++)
{
if (byteBuffer.HasAlmostOneChunk())
{
try
{
byte[] chunk = byteBuffer.GetChunk();
long number = currentChunk;
Thread thread = new Thread(() => ProcessChunk(chunk, number));
processingThreads.Add(thread);
thread.Start();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\n" + ex.StackTrace);
}
processedChunksCount++;
currentChunk++;
}
}
foreach (Thread thread in processingThreads)
{
thread.Join();
}
int id = 0;
foreach (byte[] chunk in GetOrderedChunks())
{
ConsoleOutputter.Write(currentChunk - processedChunksCount + id, chunk);
id++;
}
}
if (byteBuffer.NotProcessedBytesCount() > 0)
{
ConsoleOutputter.Write(currentChunk, hasher.ComputeHash(byteBuffer.GetLastChunk()));
}
}
static void Main(string[] args)
{
try
{
String fileName = args[0];
int chunkSize = Int32.Parse(args[1]);
if (chunkSize <= 0)
{
throw new InvalidValueException("Invalid chunk size value, must be natural number");
}
ByteBufferOnArray byteBuffer1 = new ByteBufferOnArray(chunkSize);
ByteBufferOnArray byteBuffer2 = new ByteBufferOnArray(chunkSize);
ByteBufferOnArray byteBuffer = byteBuffer1;
bool firstBuffer = true;
Processor processor = new Processor(Environment.ProcessorCount, new SHA256Hasher());
Thread processingBufferThread = new Thread(processor.Start);
using (FileStream file = File.OpenRead(fileName))
{
FileByteInputer inputer = new FileByteInputer(file);
while (inputer.HasNext())
{
if (byteBuffer.HasSpaceForChunk(inputer.GetChunkSize()))
{
byteBuffer.InsertNext(inputer.Next());
}
else if (byteBuffer.BytesForAlliquotSize() != 0)
{
byteBuffer.InsertByte(inputer.NextByte());
}
else
{
if (processingBufferThread.IsAlive)
{
processingBufferThread.Join();
}
processingBufferThread = new Thread(processor.Start);
processingBufferThread.Start(byteBuffer);
byteBuffer = byteBuffer2;
if (!firstBuffer)
{
byteBuffer = byteBuffer1;
}
firstBuffer = !firstBuffer;
byteBuffer.Clear();
}
}
if (processingBufferThread.IsAlive)
{
processingBufferThread.Join();
}
processor.Start(byteBuffer);
}
}
catch (IndexOutOfRangeException)
{
Console.WriteLine("Not enought arguments: Need path to file and processed chunk size");
}
catch (FormatException)
{
Console.WriteLine("Second parameter must be an integer");
}
catch (FileNotFoundException)
{
Console.WriteLine("File not found");
}
catch (InvalidValueException ex)
{
Console.WriteLine(ex.Message);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + "\n" + ex.StackTrace);
}
}
