/// <summary>
/// Block report is the list of block ids contained in blockstorage
/// </summary>
public static DataNodeProto.BlockReportRequest CreateBlockReport()
{
Guid[] blockList = BlockStorage.GetBlocks();
List <DataNodeProto.UUID> blockIdList = new List <DataNodeProto.UUID>();
for (int i = 0; i < blockList.Length; i++)
{
blockIdList.Add(new DataNodeProto.UUID {
Value = blockList[i].ToString()
});
}
DataNodeProto.BlockReportRequest BlockReportRequest = new DataNodeProto.BlockReportRequest
{
DataNode = new DataNodeProto.DataNode
{
IpAddress = Program.ipAddress
},
BlockList = new DataNodeProto.BlockList
{
BlockId = { blockIdList }
}
};
return(BlockReportRequest);
}
/// <summary>
/// Sends a single block report
/// </summary>
/// <param name="client">Connection to NameNode</param>
public static void SendSingleBlockReport(DataNodeProto.DataNodeProto.DataNodeProtoClient client)
{
try
{
DataNodeProto.BlockReportRequest blockReport = CreateBlockReport();
DataNodeProto.StatusResponse response = client.SendBlockReport(blockReport);
}
catch (RpcException e)
{
Console.WriteLine("Blockreport failed: " + e.Message);
}
}
// Server side handler of the SendBlockReportRequest RPC
public override Task <DataNodeProto.StatusResponse> SendBlockReport(DataNodeProto.BlockReportRequest request, ServerCallContext context)
{
var blockListLength = request.BlockList.BlockId.Count();
Guid[] blockList = new Guid[blockListLength];
for (var i = 0; i < blockListLength; i++)
{
blockList[i] = Guid.Parse(request.BlockList.BlockId[i].Value);
}
return(Task.FromResult(DataNodeManager.Instance.ProcessBlockReport(blockList, request.DataNode.IpAddress)));
}
