static void UploadFile(string filePath)
{
var fileInfo = new FileInfo(filePath);
NameNodeServiceClient client = new NameNodeServiceClient();
var uploadInfo = client.GetUploadInfo(fileInfo.Name, fileInfo.Length);
int numOfChunks = uploadInfo.Chunks.Select(x => x.Order).Distinct().Count();
int bufferSize = 1024 * 8 * 64;
using (FileStream reader = new FileStream(filePath, FileMode.Open))
{
long byteNumPerChunk = reader.Length / numOfChunks;
for (int i = 0; i < numOfChunks; i++)
{
var bytes = new byte[bufferSize];
long end = i == numOfChunks - 1 ? reader.Length : byteNumPerChunk * (i + 1);
int curBufferSize = byteNumPerChunk > (long)bufferSize ? bufferSize : (int)byteNumPerChunk;
string tempFileName = filePath + "_" + i;
using (FileStream writer = new FileStream(tempFileName, FileMode.Create))
{
int size;
while (reader.Position < end && (size = reader.Read(bytes, 0, curBufferSize)) > 0)
{
writer.Write(bytes, 0, size);
if (end - reader.Position < (long)bufferSize)
{
curBufferSize = (int)(end - reader.Position);
}
}
}
var chunks = uploadInfo.Chunks.Where(x => x.Order == i);
foreach(var chunk in chunks)
{
var streams = new Stream[2];
streams[0] = new MemoryStream(Guid.Parse(chunk.GUID).ToByteArray());
streams[1] = new FileStream(tempFileName, FileMode.Open);
var uploadStream = new CombinedStream(streams);
FileServiceClient serverClient = new FileServiceClient("BasicHttpBinding_IFileService", chunk.FileServer.FileServerServicePoint);
serverClient.UploadChunk(uploadStream);
streams[0].Close();
streams[1].Close();
}
File.Delete(tempFileName);
}
}
}
