/// <exception cref="System.IO.IOException"/>
private DelegationKey GetKeyFromZK(int keyId)
{
string nodePath = GetNodePath(ZkDtsmMasterKeyRoot, DelegationKeyPrefix + keyId);
try
{
byte[] data = zkClient.GetData().ForPath(nodePath);
if ((data == null) || (data.Length == 0))
{
return(null);
}
ByteArrayInputStream bin = new ByteArrayInputStream(data);
DataInputStream din = new DataInputStream(bin);
DelegationKey key = new DelegationKey();
key.ReadFields(din);
return(key);
}
catch (KeeperException.NoNodeException)
{
Log.Error("No node in path [" + nodePath + "]");
}
catch (Exception ex)
{
throw new IOException(ex);
}
return(null);
}
/// <summary>Read data on a path</summary>
/// <param name="path">path of operation</param>
/// <returns>the data</returns>
/// <exception cref="System.IO.IOException">read failure</exception>
public virtual byte[] ZkRead(string path)
{
CheckServiceLive();
string fullpath = CreateFullPath(path);
try
{
if (Log.IsDebugEnabled())
{
Log.Debug("Reading {}", fullpath);
}
return(curator.GetData().ForPath(fullpath));
}
catch (Exception e)
{
throw OperationFailure(fullpath, "read()", e);
}
}
