/// <summary>
/// Recursively expand the path into the supplied string builder, increasing
/// the indentation by
/// <see cref="Indent"/>
/// as it proceeds (depth first) down
/// the tree
/// </summary>
/// <param name="builder">string build to append to</param>
/// <param name="path">path to examine</param>
/// <param name="indent">current indentation</param>
private void Expand(StringBuilder builder, string path, int indent)
{
try
{
GetChildrenBuilder childrenBuilder = curator.GetChildren();
IList <string> children = childrenBuilder.ForPath(path);
foreach (string child in children)
{
string childPath = path + "/" + child;
string body;
Stat stat = curator.CheckExists().ForPath(childPath);
StringBuilder bodyBuilder = new StringBuilder(256);
bodyBuilder.Append(" [").Append(stat.GetDataLength()).Append("]");
if (stat.GetEphemeralOwner() > 0)
{
bodyBuilder.Append("*");
}
if (verbose)
{
// verbose: extract ACLs
builder.Append(" -- ");
IList <ACL> acls = curator.GetACL().ForPath(childPath);
foreach (ACL acl in acls)
{
builder.Append(RegistrySecurity.AclToString(acl));
builder.Append(" ");
}
}
body = bodyBuilder.ToString();
// print each child
Append(builder, indent, ' ');
builder.Append('/').Append(child);
builder.Append(body);
builder.Append('\n');
// recurse
Expand(builder, childPath, indent + Indent);
}
}
catch (Exception e)
{
builder.Append(e.ToString()).Append("\n");
}
}
/// <summary>List all children of a path</summary>
/// <param name="path">path of operation</param>
/// <returns>a possibly empty list of children</returns>
/// <exception cref="System.IO.IOException"/>
public virtual IList <string> ZkList(string path)
{
CheckServiceLive();
string fullpath = CreateFullPath(path);
try
{
if (Log.IsDebugEnabled())
{
Log.Debug("ls {}", fullpath);
}
GetChildrenBuilder builder = curator.GetChildren();
IList <string> children = builder.ForPath(fullpath);
return(children);
}
catch (Exception e)
{
throw OperationFailure(path, "ls()", e);
}
}
