// This is needed for .NET serialization!!!
// Do NOT "Optimize" away!
public AssetBase()
{
m_metadata = new AssetMetadata();
m_metadata.FullID = UUID.Zero;
m_metadata.ID = UUID.Zero.ToString();
m_metadata.Type = (sbyte)AssetType.Unknown;
}
public AssetBase(UUID assetID, string name, sbyte assetType, string creatorID)
{
m_metadata = new AssetMetadata();
m_metadata.FullID = assetID;
m_metadata.Name = name;
m_metadata.Type = assetType;
}
public AssetBase(UUID assetID, string name, sbyte assetType)
{
if (assetType == (sbyte)AssetType.Unknown)
{
System.Diagnostics.StackTrace trace = new System.Diagnostics.StackTrace(true);
}
m_metadata = new AssetMetadata();
m_metadata.FullID = assetID;
m_metadata.Name = name;
m_metadata.Type = assetType;
}
public BackendResponse TryFetchMetadata(UUID assetID, out AssetMetadata metadata)
{
metadata = null;
BackendResponse ret;
if (metadataStorage.TryGetValue(assetID, out metadata))
ret = BackendResponse.Success;
else
ret = BackendResponse.NotFound;
server.MetricsProvider.LogAssetMetadataFetch(EXTENSION_NAME, ret, assetID, DateTime.Now);
return ret;
}
public AssetBase(UUID assetID, string name, sbyte assetType)
{
if (assetType == (sbyte)AssetType.Unknown)
{
System.Diagnostics.StackTrace trace = new System.Diagnostics.StackTrace(true);
m_log.ErrorFormat("[ASSETBASE]: Creating asset '{0}' ({1}) with an unknown asset type\n{2}",
name, assetID, trace.ToString());
}
m_metadata = new AssetMetadata();
m_metadata.FullID = assetID;
m_metadata.Name = name;
m_metadata.Type = assetType;
}
public BackendResponse TryFetchMetadata(UUID assetID, out AssetMetadata metadata)
{
metadata = null;
BackendResponse ret;
AssetBase asset = m_assetProvider.FetchAsset(assetID);
if (asset == null) ret = BackendResponse.NotFound;
else
{
metadata = asset.Metadata;
ret = BackendResponse.Success;
}
m_server.MetricsProvider.LogAssetMetadataFetch(EXTENSION_NAME, ret, assetID, DateTime.Now);
return ret;
}
/// <summary>
/// Add asset metadata xml
/// </summary>
/// <param name = "xml"></param>
public void AddAssetMetadata(string xml)
{
m_metadata = new Dictionary<string, AssetMetadata>();
StringReader sr = new StringReader(xml);
XmlTextReader reader = new XmlTextReader(sr);
reader.ReadStartElement("assets");
reader.Read();
while (reader.Name.Equals("asset"))
{
reader.Read();
AssetMetadata metadata = new AssetMetadata();
string filename = reader.ReadElementString("filename");
MainConsole.Instance.DebugFormat("[DEARCHIVER]: Reading node {0}", filename);
metadata.Name = reader.ReadElementString("name");
metadata.Description = reader.ReadElementString("description");
metadata.AssetType = Convert.ToSByte(reader.ReadElementString("asset-type"));
m_metadata[filename] = metadata;
// Read asset end tag
reader.ReadEndElement();
reader.Read();
}
MainConsole.Instance.DebugFormat("[DEARCHIVER]: Resolved {0} items of asset metadata", m_metadata.Count);
ResolvePendingAssetData();
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
string sql = @"WITH OrderedAssets AS
(
SELECT id, name, description, assetType, temporary, creatorid,
RowNumber = ROW_NUMBER() OVER (ORDER BY id)
FROM assets
)
SELECT *
FROM OrderedAssets
WHERE RowNumber BETWEEN @start AND @stop;";
using (SqlConnection conn = new SqlConnection(m_connectionString))
using (SqlCommand cmd = new SqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("start", start));
cmd.Parameters.Add(m_database.CreateParameter("stop", start + count - 1));
conn.Open();
using (SqlDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
AssetMetadata metadata = new AssetMetadata();
metadata.FullID = DBGuid.FromDB(reader["id"]);
metadata.Name = (string)reader["name"];
metadata.Description = (string)reader["description"];
metadata.Type = Convert.ToSByte(reader["assetType"]);
metadata.Temporary = Convert.ToBoolean(reader["temporary"]);
metadata.CreatorID = (string)reader["creatorid"];
retList.Add(metadata);
}
}
}
return retList;
}
public bool Store(AssetMetadata meta, string hash)
{
try
{
string oldhash;
AssetMetadata existingAsset = Get(meta.ID, out oldhash);
MySqlCommand cmd = m_Connection.CreateCommand();
cmd.Parameters.AddWithValue("?id", meta.ID);
cmd.Parameters.AddWithValue("?name", meta.Name);
cmd.Parameters.AddWithValue("?description", meta.Description);
cmd.Parameters.AddWithValue("?type", meta.Type.ToString());
cmd.Parameters.AddWithValue("?hash", hash);
cmd.Parameters.AddWithValue("?asset_flags", meta.Flags);
if (existingAsset == null)
{
cmd.CommandText = String.Format("insert into {0} (id, name, description, type, hash, asset_flags, create_time, access_time) values ( ?id, ?name, ?description, ?type, ?hash, ?asset_flags, UNIX_TIMESTAMP(), UNIX_TIMESTAMP())", m_Table);
ExecuteNonQuery(cmd);
cmd.Dispose();
return true;
}
//cmd.CommandText = String.Format("update {0} set hash = ?hash, access_time = UNIX_TIMESTAMP() where id = ?id", m_Table);
//ExecuteNonQuery(cmd);
cmd.Dispose();
return false;
}
catch(Exception e)
{
m_log.Error("[FSAssets] Failed to store asset with ID " + meta.ID);
m_log.Error(e.ToString());
return false;
}
}
private static AssetMetadata buildAssetMetadata(IDataReader row)
{
AssetMetadata metadata = new AssetMetadata();
metadata.FullID = new UUID((string) row["UUID"]);
metadata.Name = (string) row["Name"];
metadata.Description = (string) row["Description"];
metadata.Type = Convert.ToSByte(row["Type"]);
metadata.Temporary = Convert.ToBoolean(row["Temporary"]); // Not sure if this is correct.
metadata.Flags = (AssetFlags)Convert.ToInt32(row["asset_flags"]);
metadata.CreatorID = row["CreatorID"].ToString();
// Current SHA1s are not stored/computed.
metadata.SHA1 = new byte[] {};
return metadata;
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
lock (m_dbLock)
{
using (NpgsqlConnection dbcon = new NpgsqlConnection(m_connectionString))
{
dbcon.Open();
NpgsqlCommand cmd = new NpgsqlCommand( @"SELECT ""Name"", ""Description"", ""AccessTime"", ""AssetType"", ""Temporary"", ""ID"", ""AssetFlags"", ""CreatorID""
FROM XAssetsMeta
LIMIT :start, :count", dbcon);
cmd.Parameters.AddWithValue("start", start);
cmd.Parameters.AddWithValue("count", count);
try
{
using (NpgsqlDataReader dbReader = cmd.ExecuteReader())
{
while (dbReader.Read())
{
AssetMetadata metadata = new AssetMetadata();
metadata.Name = (string)dbReader["Name"];
metadata.Description = (string)dbReader["Description"];
metadata.Type = (sbyte)dbReader["AssetType"];
metadata.Temporary = Convert.ToBoolean(dbReader["Temporary"]); // Not sure if this is correct.
metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["AssetFlags"]);
metadata.FullID = DBGuid.FromDB(dbReader["ID"]);
metadata.CreatorID = dbReader["CreatorID"].ToString();
// We'll ignore this for now - it appears unused!
// metadata.SHA1 = dbReader["hash"]);
UpdateAccessTime(metadata, (int)dbReader["AccessTime"]);
retList.Add(metadata);
}
}
}
catch (Exception e)
{
m_log.Error("[XASSETS DB]: PGSql failure fetching asset set" + Environment.NewLine + e.ToString());
}
}
}
return retList;
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
string sql = @" SELECT id, name, description, " + "\"assetType\"" + @", temporary, creatorid
FROM assets
order by id
limit :stop
offset :start;";
using (NpgsqlConnection conn = new NpgsqlConnection(m_connectionString))
using (NpgsqlCommand cmd = new NpgsqlCommand(sql, conn))
{
cmd.Parameters.Add(m_database.CreateParameter("start", start));
cmd.Parameters.Add(m_database.CreateParameter("stop", start + count - 1));
conn.Open();
using (NpgsqlDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
AssetMetadata metadata = new AssetMetadata();
metadata.FullID = DBGuid.FromDB(reader["id"]);
metadata.Name = (string)reader["name"];
metadata.Description = (string)reader["description"];
metadata.Type = Convert.ToSByte(reader["assetType"]);
metadata.Temporary = Convert.ToBoolean(reader["temporary"]);
metadata.CreatorID = (string)reader["creatorid"];
retList.Add(metadata);
}
}
}
return retList;
}
public AssetBase()
{
m_metadata = new AssetMetadata();
}
public AssetBase()
{
m_metadata = new AssetMetadata();
}
protected void AdjustIdentifiers(AssetMetadata meta)
{
if (meta == null || m_Cache == null)
return;
UserAccount creator = m_Cache.GetUser(meta.CreatorID);
if (creator != null)
meta.CreatorID = meta.CreatorID + ";" + m_HomeURL + "/" + creator.FirstName + " " + creator.LastName;
}
public HttpStatusCode InventoryPutHandler(OSHttpRequest request, string path, string username, string[] if_headers)
{
// TODO: Figure out ETAG checks
byte[] assetData = request.GetBody();
if (assetData.Length == 0)
return HttpStatusCode.BadRequest;
string localPath = "";
UUID agentID = AgentIDFromRequestPath("inventory", "/", path, ref localPath);
string[] pathParts = localPath.Split('/');
string assetName;
if(localPath.EndsWith("/"))
{
assetName = pathParts[pathParts.Length - 2];
localPath = localPath.Substring(0, localPath.Length - (assetName.Length + 1));
}
else
{
assetName = pathParts[pathParts.Length - 1];
localPath = localPath.Substring(0, localPath.Length - assetName.Length);
}
InventoryNodeBase invObject = PathToInventory(agentID, localPath);
if (invObject != null)
{
if (invObject is InventoryFolderBase)
{
InventoryFolderBase parentFolder = (InventoryFolderBase)invObject;
OpenSim.Framework.AssetMetadata assetMetadata = new OpenSim.Framework.AssetMetadata();
assetMetadata.ContentType = request.Headers["Content-type"];
assetMetadata.CreationDate = DateTime.Now;
assetMetadata.Description = assetName;
assetMetadata.ID = UUID.Random().ToString();
assetMetadata.Name = assetName;
assetMetadata.Temporary = false;
//assetMetadata.SHA256 = OpenMetaverse.Utils.SHA256(assetData);
assetMetadata.SHA1 = OpenMetaverse.Utils.SHA1(assetData);
sbyte type = CableBeachUtils.ContentTypeToSLAssetType(request.Headers["Content-type"]);
AssetBase asset = new AssetBase(UUID.Random(), assetName, type);
asset.Data = assetData;
asset.Metadata = assetMetadata;
string ret = m_AssetService.Store(asset);
// Check if asset was created
if (m_AssetService.GetMetadata(assetMetadata.ID) != null)
{
InventoryItemBase inventoryItem = new InventoryItemBase();
inventoryItem.AssetID = new UUID(assetMetadata.ID);
inventoryItem.AssetType = parentFolder.Type;
// TODO: conversion from long to int migth not be sufficient here
inventoryItem.CreationDate = (int) DateTime.Now.Ticks;
inventoryItem.CreatorId = agentID.ToString();
inventoryItem.Owner = agentID;
inventoryItem.CurrentPermissions = 2147483647;
inventoryItem.NextPermissions = 2147483647;
inventoryItem.BasePermissions = 2147483647;
inventoryItem.EveryOnePermissions = 2147483647;
inventoryItem.GroupPermissions = 2147483647;
inventoryItem.InvType = (int)CableBeachMessages.InventoryType.Object;
inventoryItem.GroupOwned = false;
inventoryItem.Description = assetMetadata.Description;
inventoryItem.ID = UUID.Random();
inventoryItem.Name = assetMetadata.Name;
inventoryItem.Folder = parentFolder.ID;
inventoryItem.SalePrice = 0;
if (m_InventoryService.AddItem(inventoryItem))
return HttpStatusCode.Created;
//if (m_InventoryService.UpdateItem(
}
else
{ // failed asset creation, dont create inventory item either sender, send error back
//return HttpStatusCode.PreconditionFailed & HttpStatusCode.InternalServerError;
return HttpStatusCode.InternalServerError;
}
}
}
return HttpStatusCode.InternalServerError;
}
public void AsssetBaseConstructorTest01()
{
AssetBase abase = new AssetBase();
Assert.IsNotNull(abase.Metadata, "void constructor of AssetBase should have created a MetaData element but didn't.");
UUID itemID = UUID.Random();
UUID creatorID = UUID.Random();
abase = new AssetBase(itemID.ToString(), "test item", (sbyte) AssetType.Texture, creatorID.ToString());
Assert.IsNotNull(abase.Metadata, "string,string,sbyte,string constructor of AssetBase should have created a MetaData element but didn't.");
Assert.That(abase.ID == itemID.ToString(), "string,string,sbyte,string constructor failed to set ID property");
Assert.That(abase.Metadata.CreatorID == creatorID.ToString(), "string,string,sbyte,string constructor failed to set Creator ID");
abase = new AssetBase(itemID.ToString(), "test item", -1, creatorID.ToString());
Assert.IsNotNull(abase.Metadata, "string,string,sbyte,string constructor of AssetBase with unknown type should have created a MetaData element but didn't.");
Assert.That(abase.Metadata.Type == -1, "Unknown Type passed to string,string,sbyte,string constructor and was a known type when it came out again");
AssetMetadata metts = new AssetMetadata();
metts.FullID = itemID;
metts.ID = string.Empty;
metts.Name = "test item";
abase.Metadata = metts;
Assert.That(abase.ToString() == itemID.ToString(), "ToString is overriden to be fullID.ToString()");
Assert.That(abase.ID == itemID.ToString(),"ID should be MetaData.FullID.ToString() when string.empty or null is provided to the ID property");
}
public void AssetMetaDataNonNullContentTypeTest01()
{
AssetMetadata assetMetadata = new AssetMetadata();
assetMetadata.ContentType = "image/jp2";
Assert.That(assetMetadata.Type == (sbyte)AssetType.Texture, "Content type should be AssetType.Texture");
Assert.That(assetMetadata.ContentType == "image/jp2", "Text of content type should be image/jp2");
UUID rndID = UUID.Random();
assetMetadata.ID = rndID.ToString();
Assert.That(assetMetadata.ID.ToLower() == rndID.ToString().ToLower(), "assetMetadata.ID Setter/Getter not Consistent");
DateTime fixedTime = DateTime.Now;
assetMetadata.CreationDate = fixedTime;
}
/// <summary>
/// Invokes the xGetAssetMetadata operation on the simian server to retrieve metadata for an asset
/// This operation is generally used to determine if an asset exists in the database
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
private AssetMetadata SimianGetMetadataOperation(string id)
{
try
{
NameValueCollection requestArgs = new NameValueCollection
{
{ "RequestMethod", "xGetAssetMetadata" },
{ "ID", id }
};
OSDMap response = SimianGrid.PostToService(m_serverUrl,requestArgs);
if (! response["Success"].AsBoolean())
{
// this is not really an error, this call is used to test existence
// m_log.DebugFormat("[SIMIAN ASSET CONNECTOR] Failed to get asset metadata; {0}",response["Message"].AsString());
return null;
}
AssetMetadata metadata = new AssetMetadata();
metadata.ID = id;
metadata.ContentType = response["ContentType"].AsString();
metadata.CreatorID = response["CreatorID"].AsString();
metadata.Local = false;
metadata.Temporary = response["Temporary"];
string lastModifiedStr = response["Last-Modified"].AsString();
if (! String.IsNullOrEmpty(lastModifiedStr))
{
DateTime lastModified;
if (DateTime.TryParse(lastModifiedStr, out lastModified))
metadata.CreationDate = lastModified;
}
return metadata;
}
catch (Exception ex)
{
m_log.WarnFormat("[SIMIAN ASSET CONNECTOR]: Failed to get asset metadata; {0}", ex.Message);
}
return null;
}
private void CreateMetaDataMap(AssetMetadata data, OSDMap map)
{
map["ContentType"] = OSD.FromString(data.ContentType);
map["CreationDate"] = OSD.FromDate(data.CreationDate);
map["CreatorID"] = OSD.FromString(data.CreatorID);
map["Description"] = OSD.FromString(data.Description);
map["ID"] = OSD.FromString(data.ID);
map["Name"] = OSD.FromString(data.Name);
map["Type"] = OSD.FromInteger(data.Type);
}
private AssetBase LoadAssetBase(OSDMap map)
{
AssetBase asset = new AssetBase();
asset.Data = map["AssetData"].AsBinary();
AssetMetadata md = new AssetMetadata();
md.ContentType = map["ContentType"].AsString();
md.CreationDate = map["CreationDate"].AsDate();
md.CreatorID = map["CreatorID"].AsString();
md.Description = map["Description"].AsString();
md.ID = map["ID"].AsString();
md.Name = map["Name"].AsString();
md.Type = (sbyte)map["Type"].AsInteger();
asset.Metadata = md;
asset.ID = md.ID;
asset.FullID = UUID.Parse(md.ID);
asset.Name = md.Name;
asset.Type = md.Type;
return asset;
}
public AssetBase(UUID assetId, string name)
{
m_metadata = new AssetMetadata();
m_metadata.FullID = assetId;
m_metadata.Name = name;
}
public AssetBase(UUID assetId, string name)
{
m_metadata = new AssetMetadata();
m_metadata.FullID = assetId;
m_metadata.Name = name;
}
public AssetMetadata Get(string id, out string hash)
{
hash = String.Empty;
MySqlCommand cmd = new MySqlCommand();
cmd.CommandText = String.Format("select id, name, description, type, hash, create_time, asset_flags from {0} where id = ?id", m_Table);
cmd.Parameters.AddWithValue("?id", id);
IDataReader reader = ExecuteReader(cmd);
if (!reader.Read())
{
reader.Close();
FreeCommand(cmd);
return null;
}
AssetMetadata meta = new AssetMetadata();
hash = reader["hash"].ToString();
meta.ID = id;
meta.FullID = new UUID(id);
meta.Name = reader["name"].ToString();
meta.Description = reader["description"].ToString();
meta.Type = (sbyte)Convert.ToInt32(reader["type"]);
meta.ContentType = SLUtil.SLAssetTypeToContentType(meta.Type);
meta.CreationDate = Util.ToDateTime(Convert.ToInt32(reader["create_time"]));
meta.Flags = (AssetFlags)Convert.ToInt32(reader["asset_flags"]);
reader.Close();
cmd.CommandText = String.Format("update {0} set access_time = UNIX_TIMESTAMP() where id = ?id", m_Table);
cmd.ExecuteNonQuery();
FreeCommand(cmd);
return meta;
}
/// <summary>
/// Updates the access time of the asset if it was accessed above a given threshhold amount of time.
/// </summary>
/// <remarks>
/// This gives us some insight into assets which haven't ben accessed for a long period. This is only done
/// over the threshold time to avoid excessive database writes as assets are fetched.
/// </remarks>
/// <param name='asset'></param>
/// <param name='accessTime'></param>
private void UpdateAccessTime(AssetMetadata assetMetadata, int accessTime)
{
DateTime now = DateTime.UtcNow;
if ((now - Utils.UnixTimeToDateTime(accessTime)).TotalDays < DaysBetweenAccessTimeUpdates)
return;
lock (m_dbLock)
{
using (NpgsqlConnection dbcon = new NpgsqlConnection(m_connectionString))
{
dbcon.Open();
NpgsqlCommand cmd =
new NpgsqlCommand(@"update XAssetsMeta set ""AccessTime""=:AccessTime where ID=:ID", dbcon);
try
{
using (cmd)
{
// create unix epoch time
cmd.Parameters.AddWithValue("ID", assetMetadata.ID);
cmd.Parameters.AddWithValue("AccessTime", (int)Utils.DateTimeToUnixTime(now));
cmd.ExecuteNonQuery();
}
}
catch (Exception e)
{
m_log.ErrorFormat(
"[XASSET PGSQL DB]: Failure updating access_time for asset {0} with name {1} : {2}",
assetMetadata.ID, assetMetadata.Name, e.Message);
}
}
}
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
{
dbcon.Open();
using (MySqlCommand cmd
= new MySqlCommand(
"SELECT name,description,assetType,temporary,id,asset_flags,CreatorID FROM assets LIMIT ?start, ?count",
dbcon))
{
cmd.Parameters.AddWithValue("?start", start);
cmd.Parameters.AddWithValue("?count", count);
try
{
using (MySqlDataReader dbReader = cmd.ExecuteReader())
{
while (dbReader.Read())
{
AssetMetadata metadata = new AssetMetadata();
metadata.Name = (string)dbReader["name"];
metadata.Description = (string)dbReader["description"];
metadata.Type = (sbyte)dbReader["assetType"];
metadata.Temporary = Convert.ToBoolean(dbReader["temporary"]); // Not sure if this is correct.
metadata.Flags = (AssetFlags)Convert.ToInt32(dbReader["asset_flags"]);
metadata.FullID = DBGuid.FromDB(dbReader["id"]);
metadata.CreatorID = dbReader["CreatorID"].ToString();
// Current SHA1s are not stored/computed.
metadata.SHA1 = new byte[] { };
retList.Add(metadata);
}
}
}
catch (Exception e)
{
m_log.Error(
string.Format(
"[ASSETS DB]: MySql failure fetching asset set from {0}, count {1}. Exception ",
start, count),
e);
}
}
}
return retList;
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
string sql = @"SELECT (name,description,assetType,temporary,id), Row = ROW_NUMBER()
OVER (ORDER BY (some column to order by))
WHERE Row >= @Start AND Row < @Start + @Count";
using (AutoClosingSqlCommand command = m_database.Query(sql))
{
command.Parameters.Add(m_database.CreateParameter("start", start));
command.Parameters.Add(m_database.CreateParameter("count", count));
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
AssetMetadata metadata = new AssetMetadata();
metadata.FullID = new UUID((Guid)reader["id"]);
metadata.Name = (string)reader["name"];
metadata.Description = (string)reader["description"];
metadata.Type = Convert.ToSByte(reader["assetType"]);
metadata.Temporary = Convert.ToBoolean(reader["temporary"]);
}
}
}
return retList;
}
private void AdjustIdentifiers(AssetMetadata meta)
{
if (!string.IsNullOrEmpty(meta.CreatorID))
{
UUID uuid = UUID.Zero;
UUID.TryParse(meta.CreatorID, out uuid);
UserAccount creator = m_scene.UserAccountService.GetUserAccount(m_scene.RegionInfo.ScopeID, uuid);
if (creator != null)
meta.CreatorID = m_HomeURI + ";" + creator.FirstName + " " + creator.LastName;
}
}
/// <summary>
/// Get an asset's metadata
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public AssetMetadata GetMetadata(string id)
{
if (String.IsNullOrEmpty(m_serverUrl))
{
m_log.Error("[SIMIAN ASSET CONNECTOR]: No AssetServerURI configured");
throw new InvalidOperationException();
}
AssetMetadata metadata = null;
// Cache fetch
if (m_cache != null)
{
AssetBase asset = m_cache.Get(id);
if (asset != null)
return asset.Metadata;
}
Uri url;
// Determine if id is an absolute URL or a grid-relative UUID
if (!Uri.TryCreate(id, UriKind.Absolute, out url))
url = new Uri(m_serverUrl + id);
try
{
HttpWebRequest request = UntrustedHttpWebRequest.Create(url);
request.Method = "HEAD";
using (WebResponse response = request.GetResponse())
{
using (Stream responseStream = response.GetResponseStream())
{
// Create the metadata object
metadata = new AssetMetadata();
metadata.ContentType = response.ContentType;
metadata.ID = id;
UUID uuid;
if (UUID.TryParse(id, out uuid))
metadata.FullID = uuid;
string lastModifiedStr = response.Headers.Get("Last-Modified");
if (!String.IsNullOrEmpty(lastModifiedStr))
{
DateTime lastModified;
if (DateTime.TryParse(lastModifiedStr, out lastModified))
metadata.CreationDate = lastModified;
}
}
}
}
catch (Exception ex)
{
m_log.Warn("[SIMIAN ASSET CONNECTOR]: Asset HEAD from " + url + " failed: " + ex.Message);
}
return metadata;
}
public void Import(string conn, string table, int start, int count, bool force, StoreDelegate store)
{
MySqlConnection importConn;
try
{
importConn = new MySqlConnection(conn);
importConn.Open();
}
catch (MySqlException e)
{
m_log.ErrorFormat("[FSASSETS]: Can't connect to database: {0}",
e.Message.ToString());
return;
}
int imported = 0;
MySqlCommand cmd = importConn.CreateCommand();
string limit = String.Empty;
if (count != -1)
{
limit = String.Format(" limit {0},{1}", start, count);
}
cmd.CommandText = String.Format("select * from {0}{1}", table, limit);
MainConsole.Instance.Output("Querying database");
IDataReader reader = cmd.ExecuteReader();
MainConsole.Instance.Output("Reading data");
while (reader.Read())
{
if ((imported % 100) == 0)
{
MainConsole.Instance.Output(String.Format("{0} assets imported so far", imported));
}
AssetBase asset = new AssetBase();
AssetMetadata meta = new AssetMetadata();
meta.ID = reader["id"].ToString();
meta.FullID = new UUID(meta.ID);
meta.Name = reader["name"].ToString();
meta.Description = reader["description"].ToString();
meta.Type = (sbyte)Convert.ToInt32(reader["assetType"]);
meta.ContentType = SLUtil.SLAssetTypeToContentType(meta.Type);
meta.CreationDate = Util.ToDateTime(Convert.ToInt32(reader["create_time"]));
asset.Metadata = meta;
asset.Data = (byte[])reader["data"];
store(asset, force);
imported++;
}
reader.Close();
cmd.Dispose();
importConn.Close();
MainConsole.Instance.Output(String.Format("Import done, {0} assets imported", imported));
}
/// <summary>
/// Returns a list of AssetMetadata objects. The list is a subset of
/// the entire data set offset by <paramref name="start" /> containing
/// <paramref name="count" /> elements.
/// </summary>
/// <param name="start">The number of results to discard from the total data set.</param>
/// <param name="count">The number of rows the returned list should contain.</param>
/// <returns>A list of AssetMetadata objects.</returns>
public override List<AssetMetadata> FetchAssetMetadataSet(int start, int count)
{
List<AssetMetadata> retList = new List<AssetMetadata>(count);
lock (m_dbLock)
{
using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
{
dbcon.Open();
MySqlCommand cmd = new MySqlCommand("SELECT name,description,assetType,temporary,id FROM assets LIMIT ?start, ?count", dbcon);
cmd.Parameters.AddWithValue("?start", start);
cmd.Parameters.AddWithValue("?count", count);
try
{
using (MySqlDataReader dbReader = cmd.ExecuteReader())
{
while (dbReader.Read())
{
AssetMetadata metadata = new AssetMetadata();
metadata.Name = (string)dbReader["name"];
metadata.Description = (string)dbReader["description"];
metadata.Type = (sbyte)dbReader["assetType"];
metadata.Temporary = Convert.ToBoolean(dbReader["temporary"]); // Not sure if this is correct.
metadata.FullID = new UUID((string)dbReader["id"]);
// Current SHA1s are not stored/computed.
metadata.SHA1 = new byte[] { };
retList.Add(metadata);
}
}
}
catch (Exception e)
{
m_log.Error("[ASSETS DB]: MySql failure fetching asset set" + Environment.NewLine + e.ToString());
}
}
}
return retList;
}
protected void AdjustIdentifiers(AssetMetadata meta)
{
UserAccount creator = m_UserAccountService.GetUserAccount (UUID.Zero, UUID.Parse(meta.CreatorID));
if (creator != null)
meta.CreatorID = m_ProfileServiceURL + "/" + meta.CreatorID + ";" + creator.FirstName + " " + creator.LastName;
}