/// <exception cref="Org.Apache.Hadoop.Hdfs.Util.XMLUtils.InvalidXmlException"/>
public static CachePoolInfo ReadCachePoolInfo(XMLUtils.Stanza st)
{
string poolName = st.GetValue("POOLNAME");
CachePoolInfo info = new CachePoolInfo(poolName);
if (st.HasChildren("OWNERNAME"))
{
info.SetOwnerName(st.GetValue("OWNERNAME"));
}
if (st.HasChildren("GROUPNAME"))
{
info.SetGroupName(st.GetValue("GROUPNAME"));
}
if (st.HasChildren("MODE"))
{
info.SetMode(FSEditLogOp.FsPermissionFromXml(st));
}
if (st.HasChildren("LIMIT"))
{
info.SetLimit(long.Parse(st.GetValue("LIMIT")));
}
if (st.HasChildren("MAXRELATIVEEXPIRY"))
{
info.SetMaxRelativeExpiryMs(long.Parse(st.GetValue("MAXRELATIVEEXPIRY")));
}
return(info);
}
/// <exception cref="System.IO.IOException"/>
public static CachePoolInfo ReadCachePoolInfo(DataInput @in)
{
string poolName = ReadString(@in);
CachePoolInfo info = new CachePoolInfo(poolName);
int flags = ReadInt(@in);
if ((flags & unchecked ((int)(0x1))) != 0)
{
info.SetOwnerName(ReadString(@in));
}
if ((flags & unchecked ((int)(0x2))) != 0)
{
info.SetGroupName(ReadString(@in));
}
if ((flags & unchecked ((int)(0x4))) != 0)
{
info.SetMode(FsPermission.Read(@in));
}
if ((flags & unchecked ((int)(0x8))) != 0)
{
info.SetLimit(ReadLong(@in));
}
if ((flags & unchecked ((int)(0x10))) != 0)
{
info.SetMaxRelativeExpiryMs(ReadLong(@in));
}
if ((flags & ~unchecked ((int)(0x1F))) != 0)
{
throw new IOException("Unknown flag in CachePoolInfo: " + flags);
}
return(info);
}
/// <exception cref="System.IO.IOException"/>
public virtual int Run(Configuration conf, IList <string> args)
{
string owner = StringUtils.PopOptionWithArgument("-owner", args);
string group = StringUtils.PopOptionWithArgument("-group", args);
string modeString = StringUtils.PopOptionWithArgument("-mode", args);
int mode = (modeString == null) ? null : System.Convert.ToInt32(modeString, 8);
string limitString = StringUtils.PopOptionWithArgument("-limit", args);
long limit = AdminHelper.ParseLimitString(limitString);
string maxTtlString = StringUtils.PopOptionWithArgument("-maxTtl", args);
long maxTtl;
try
{
maxTtl = AdminHelper.ParseTtlString(maxTtlString);
}
catch (IOException e)
{
System.Console.Error.WriteLine("Error while parsing maxTtl value: " + e.Message);
return(1);
}
string name = StringUtils.PopFirstNonOption(args);
if (name == null)
{
System.Console.Error.WriteLine("You must specify a name when creating a " + "cache pool."
);
return(1);
}
if (!args.IsEmpty())
{
System.Console.Error.Write("Can't understand arguments: " + Joiner.On(" ").Join(args
) + "\n");
System.Console.Error.WriteLine("Usage is " + GetShortUsage());
return(1);
}
bool changed = false;
CachePoolInfo info = new CachePoolInfo(name);
if (owner != null)
{
info.SetOwnerName(owner);
changed = true;
}
if (group != null)
{
info.SetGroupName(group);
changed = true;
}
if (mode != null)
{
info.SetMode(new FsPermission(mode));
changed = true;
}
if (limit != null)
{
info.SetLimit(limit);
changed = true;
}
if (maxTtl != null)
{
info.SetMaxRelativeExpiryMs(maxTtl);
changed = true;
}
if (!changed)
{
System.Console.Error.WriteLine("You must specify at least one attribute to " + "change in the cache pool."
);
return(1);
}
DistributedFileSystem dfs = AdminHelper.GetDFS(conf);
try
{
dfs.ModifyCachePool(info);
}
catch (IOException e)
{
System.Console.Error.WriteLine(AdminHelper.PrettifyException(e));
return(2);
}
System.Console.Out.Write("Successfully modified cache pool " + name);
string prefix = " to have ";
if (owner != null)
{
System.Console.Out.Write(prefix + "owner name " + owner);
prefix = " and ";
}
if (group != null)
{
System.Console.Out.Write(prefix + "group name " + group);
prefix = " and ";
}
if (mode != null)
{
System.Console.Out.Write(prefix + "mode " + new FsPermission(mode));
prefix = " and ";
}
if (limit != null)
{
System.Console.Out.Write(prefix + "limit " + limit);
prefix = " and ";
}
if (maxTtl != null)
{
System.Console.Out.Write(prefix + "max time-to-live " + maxTtlString);
}
System.Console.Out.Write("\n");
return(0);
}
/// <exception cref="System.IO.IOException"/>
public virtual int Run(Configuration conf, IList <string> args)
{
string name = StringUtils.PopFirstNonOption(args);
if (name == null)
{
System.Console.Error.WriteLine("You must specify a name when creating a " + "cache pool."
);
return(1);
}
CachePoolInfo info = new CachePoolInfo(name);
string owner = StringUtils.PopOptionWithArgument("-owner", args);
if (owner != null)
{
info.SetOwnerName(owner);
}
string group = StringUtils.PopOptionWithArgument("-group", args);
if (group != null)
{
info.SetGroupName(group);
}
string modeString = StringUtils.PopOptionWithArgument("-mode", args);
if (modeString != null)
{
short mode = short.ParseShort(modeString, 8);
info.SetMode(new FsPermission(mode));
}
string limitString = StringUtils.PopOptionWithArgument("-limit", args);
long limit = AdminHelper.ParseLimitString(limitString);
if (limit != null)
{
info.SetLimit(limit);
}
string maxTtlString = StringUtils.PopOptionWithArgument("-maxTtl", args);
try
{
long maxTtl = AdminHelper.ParseTtlString(maxTtlString);
if (maxTtl != null)
{
info.SetMaxRelativeExpiryMs(maxTtl);
}
}
catch (IOException e)
{
System.Console.Error.WriteLine("Error while parsing maxTtl value: " + e.Message);
return(1);
}
if (!args.IsEmpty())
{
System.Console.Error.Write("Can't understand arguments: " + Joiner.On(" ").Join(args
) + "\n");
System.Console.Error.WriteLine("Usage is " + GetShortUsage());
return(1);
}
DistributedFileSystem dfs = AdminHelper.GetDFS(conf);
try
{
dfs.AddCachePool(info);
}
catch (IOException e)
{
System.Console.Error.WriteLine(AdminHelper.PrettifyException(e));
return(2);
}
System.Console.Out.WriteLine("Successfully added cache pool " + name + ".");
return(0);
}
