/// <summary>Create a new cache pool based on a CachePoolInfo object and the defaults. /// </summary> /// <remarks> /// Create a new cache pool based on a CachePoolInfo object and the defaults. /// We will fill in information that was not supplied according to the /// defaults. /// </remarks> /// <exception cref="System.IO.IOException"/> internal static CachePool CreateFromInfoAndDefaults(CachePoolInfo info) { UserGroupInformation ugi = null; string ownerName = info.GetOwnerName(); if (ownerName == null) { ugi = NameNode.GetRemoteUser(); ownerName = ugi.GetShortUserName(); } string groupName = info.GetGroupName(); if (groupName == null) { if (ugi == null) { ugi = NameNode.GetRemoteUser(); } groupName = ugi.GetPrimaryGroupName(); } FsPermission mode = (info.GetMode() == null) ? FsPermission.GetCachePoolDefault() : info.GetMode(); long limit = info.GetLimit() == null ? CachePoolInfo.DefaultLimit : info.GetLimit (); long maxRelativeExpiry = info.GetMaxRelativeExpiryMs() == null ? CachePoolInfo.DefaultMaxRelativeExpiry : info.GetMaxRelativeExpiryMs(); return(new CachePool(info.GetPoolName(), ownerName, groupName, mode, limit, maxRelativeExpiry )); }
/// <exception cref="Org.Xml.Sax.SAXException"/> public static void WriteCachePoolInfo(ContentHandler contentHandler, CachePoolInfo info) { XMLUtils.AddSaxString(contentHandler, "POOLNAME", info.GetPoolName()); string ownerName = info.GetOwnerName(); string groupName = info.GetGroupName(); long limit = info.GetLimit(); FsPermission mode = info.GetMode(); long maxRelativeExpiry = info.GetMaxRelativeExpiryMs(); if (ownerName != null) { XMLUtils.AddSaxString(contentHandler, "OWNERNAME", ownerName); } if (groupName != null) { XMLUtils.AddSaxString(contentHandler, "GROUPNAME", groupName); } if (mode != null) { FSEditLogOp.FsPermissionToXml(contentHandler, mode); } if (limit != null) { XMLUtils.AddSaxString(contentHandler, "LIMIT", System.Convert.ToString(limit)); } if (maxRelativeExpiry != null) { XMLUtils.AddSaxString(contentHandler, "MAXRELATIVEEXPIRY", System.Convert.ToString (maxRelativeExpiry)); } }
/// <exception cref="System.IO.IOException"/> public static void WriteCachePoolInfo(DataOutputStream @out, CachePoolInfo info) { WriteString(info.GetPoolName(), @out); string ownerName = info.GetOwnerName(); string groupName = info.GetGroupName(); long limit = info.GetLimit(); FsPermission mode = info.GetMode(); long maxRelativeExpiry = info.GetMaxRelativeExpiryMs(); bool hasOwner; bool hasGroup; bool hasMode; bool hasLimit; bool hasMaxRelativeExpiry; hasOwner = ownerName != null; hasGroup = groupName != null; hasMode = mode != null; hasLimit = limit != null; hasMaxRelativeExpiry = maxRelativeExpiry != null; int flags = (hasOwner ? unchecked ((int)(0x1)) : 0) | (hasGroup ? unchecked ((int)( 0x2)) : 0) | (hasMode ? unchecked ((int)(0x4)) : 0) | (hasLimit ? unchecked ((int) (0x8)) : 0) | (hasMaxRelativeExpiry ? unchecked ((int)(0x10)) : 0); WriteInt(flags, @out); if (hasOwner) { WriteString(ownerName, @out); } if (hasGroup) { WriteString(groupName, @out); } if (hasMode) { mode.Write(@out); } if (hasLimit) { WriteLong(limit, @out); } if (hasMaxRelativeExpiry) { WriteLong(maxRelativeExpiry, @out); } }
/// <summary>Create a new cache pool based on a CachePoolInfo object.</summary> /// <remarks> /// Create a new cache pool based on a CachePoolInfo object. /// No fields in the CachePoolInfo can be blank. /// </remarks> internal static CachePool CreateFromInfo(CachePoolInfo info) { return(new CachePool(info.GetPoolName(), info.GetOwnerName(), info.GetGroupName() , info.GetMode(), info.GetLimit(), info.GetMaxRelativeExpiryMs())); }
/// <exception cref="System.IO.IOException"/> public virtual int Run(Configuration conf, IList <string> args) { string name = StringUtils.PopFirstNonOption(args); bool printStats = StringUtils.PopOption("-stats", args); 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); TableListing.Builder builder = new TableListing.Builder().AddField("NAME", TableListing.Justification .Left).AddField("OWNER", TableListing.Justification.Left).AddField("GROUP", TableListing.Justification .Left).AddField("MODE", TableListing.Justification.Left).AddField("LIMIT", TableListing.Justification .Right).AddField("MAXTTL", TableListing.Justification.Right); if (printStats) { builder.AddField("BYTES_NEEDED", TableListing.Justification.Right).AddField("BYTES_CACHED" , TableListing.Justification.Right).AddField("BYTES_OVERLIMIT", TableListing.Justification .Right).AddField("FILES_NEEDED", TableListing.Justification.Right).AddField("FILES_CACHED" , TableListing.Justification.Right); } TableListing listing = builder.Build(); int numResults = 0; try { RemoteIterator <CachePoolEntry> iter = dfs.ListCachePools(); while (iter.HasNext()) { CachePoolEntry entry = iter.Next(); CachePoolInfo info = entry.GetInfo(); List <string> row = new List <string>(); if (name == null || info.GetPoolName().Equals(name)) { row.AddItem(info.GetPoolName()); row.AddItem(info.GetOwnerName()); row.AddItem(info.GetGroupName()); row.AddItem(info.GetMode() != null ? info.GetMode().ToString() : null); long limit = info.GetLimit(); string limitString; if (limit != null && limit.Equals(CachePoolInfo.LimitUnlimited)) { limitString = "unlimited"; } else { limitString = string.Empty + limit; } row.AddItem(limitString); long maxTtl = info.GetMaxRelativeExpiryMs(); string maxTtlString = null; if (maxTtl != null) { if (maxTtl == CachePoolInfo.RelativeExpiryNever) { maxTtlString = "never"; } else { maxTtlString = DFSUtil.DurationToString(maxTtl); } } row.AddItem(maxTtlString); if (printStats) { CachePoolStats stats = entry.GetStats(); row.AddItem(System.Convert.ToString(stats.GetBytesNeeded())); row.AddItem(System.Convert.ToString(stats.GetBytesCached())); row.AddItem(System.Convert.ToString(stats.GetBytesOverlimit())); row.AddItem(System.Convert.ToString(stats.GetFilesNeeded())); row.AddItem(System.Convert.ToString(stats.GetFilesCached())); } listing.AddRow(Sharpen.Collections.ToArray(row, new string[row.Count])); ++numResults; if (name != null) { break; } } } } catch (IOException e) { System.Console.Error.WriteLine(AdminHelper.PrettifyException(e)); return(2); } System.Console.Out.Write(string.Format("Found %d result%s.%n", numResults, (numResults == 1 ? string.Empty : "s"))); if (numResults > 0) { System.Console.Out.Write(listing); } // If list pools succeed, we return 0 (success exit code) return(0); }