private void UpdateDynamicChildren(CancellationToken cancellationToken)
{
ChildrenAreLoadingNow = true;
try
{
List <TemplateNodeInfo> newNodes = new List <TemplateNodeInfo>();
using (SqlProcessor sqlProcessor = this._model.GetNewSqlProcessor(cancellationToken))
{
foreach (TemplateNodeQueryInfo query in GroupQueries)
{
List <TemplateNodeInfo> templateNodesToBeReplicated = GetSubnodesFor(query).ToList();
List <QueryInfo> queryInfos = this._model.GetQueryByTemplateNodeQueryInfo(query);
foreach (InstanceInfo serverInstance in Connection.ConnectionGroup.Connections.Where(c => c.IsEnabled))
{
cancellationToken.ThrowIfCancellationRequested();
QueryInfo queryInfo = queryInfos.FirstOrDefault(x =>
x.Source == serverInstance.Type || x.Source == QuerySource.SQLite
);
DataTable[] tables = GetGroupSelectResultsFromServer(sqlProcessor, serverInstance, queryInfo, query);
cancellationToken.ThrowIfCancellationRequested();
foreach (DataTable t in tables)
{
for (int rowIndex = 0; rowIndex < t.Rows.Count; rowIndex++)
{
List <TemplateNodeInfo> replicants =
templateNodesToBeReplicated.Select(
tn => tn.Instantiate(
Connection,
t.Rows[rowIndex],
query,
this
)
).ToList();
newNodes.AddRange(replicants);
}
}
}
}
}
cancellationToken.ThrowIfCancellationRequested();
if (newNodes.Count == 0)
{
return;
}
lock (Childs)
{
Childs.AddRange(newNodes);
this._model.GetVaultProcessor(Connection.ConnectionGroup).CurrentStorage.NodeInstances.SaveChildren(this);
}
}
catch (Exception ex)
{
log.Error("private Task CreateAddDynamicChildrenTask(Action done)", ex);
}
finally
{
ChildrenAreLoadingNow = false;
}
}
/// <summary>
/// The sign query item.
/// </summary>
/// <param name="cryptoProcessor">The crypto processor.</param>
/// <param name="itemInfo">The item info.</param>
/// <param name="query">The query.</param>
private void SignQueryItem(CryptoProcessor cryptoProcessor, QueryItemInfo itemInfo, QueryInfo query)
{
this._logger.WriteToLog("prepare to sign the query....");
itemInfo.ParentQuery = query;
new QueryPreparator(this.Settings, this._logger).PrepareIfNeeds(itemInfo);
this._logger.WriteToLog("Sign query....");
itemInfo.Signature = cryptoProcessor.Sign(itemInfo.Text);
}
/// <summary>
/// Load queries with signature check
/// </summary>
/// <param name="filename">Xml-file name</param>
/// <param name="isExternal">Is opened from user file template</param>
/// <returns>Queries list</returns>
public List <QueryInfo> LoadQueries(string filename, bool isExternal)
{
log.InfoFormat("filename:'{0}',isExternal:'{1}'",
filename ?? "<null>",
isExternal
);
List <string> wrongQueries = new List <string>();
CryptoProcessor cryptoProcessor = null;
try
{
if (AppVersionHelper.IsNotDebug())
{
cryptoProcessor = new CryptoProcessor(
Settings.SystemSettings.PublicKeyXmlSign,
Settings.SystemSettings.PrivateKeyXmlDecrypt
);
}
}
catch (System.Security.XmlSyntaxException ex)
{
log.Error(ex);
}
catch (Exception ex)
{
log.Error(ex);
log.Error(ex.GetBaseException());
}
List <QueryInfo> queries = QueriesLoader.LoadFromXml(filename, cryptoProcessor, isExternal);
for (int i = queries.Count - 1; i >= 0; i--)
{
QueryInfo query = queries[i];
log.InfoFormat("query:'{0}'", query);
if (AppVersionHelper.IsNotDebug() && !isExternal)
{
for (int j = query.DatabaseSelect.Count - 1; j >= 0; j--)
{
QueryItemInfo queryItem = query.DatabaseSelect[j];
if (cryptoProcessor != null && !cryptoProcessor.Verify(queryItem.Text, queryItem.Signature))
{
if (!wrongQueries.Contains(query.Name))
{
wrongQueries.Add(query.Name);
}
query.DatabaseSelect.RemoveAt(j);
}
}
for (int j = query.Items.Count - 1; j >= 0; j--)
{
QueryItemInfo queryItem = query.Items[j];
log.InfoFormat("queryItem.Text:'{0}'", queryItem.Text);
if (cryptoProcessor != null && !cryptoProcessor.Verify(queryItem.Text, queryItem.Signature))
{
if (!wrongQueries.Contains(query.Name))
{
wrongQueries.Add(query.Name);
}
query.Items.RemoveAt(j);
}
}
}
if (query.Items.Count == 0)
{
queries.RemoveAt(i);
}
}
if ((Settings.WarnAboutUnsignedQuery) && (wrongQueries.Count > 0))
{
StringBuilder sb = new StringBuilder();
sb.Append(filename + Environment.NewLine + Environment.NewLine);
foreach (string wrongQuery in wrongQueries)
{
sb.Append(wrongQuery + Environment.NewLine);
}
MessageBox.Show(sb.ToString(), LocaleManager.GetLocalizedText(LocaleManager.Exceptions, "wrongQueriesSignatures"));
}
return(queries);
}
private void SaveHistoryData(
QueryInfo query,
InstanceInfo instance,
long queryId,
TemplateNodeQueryInfo templateNodeQuery
)
{
QueryInfo queryInfo = new QueryInfo { Source = QuerySource.SQLite };
Regex regex = new Regex(@"\[\$\{(?<QueryName>[\w]+)\}\$_\$\{(?<RecordSetNumber>[\w]+)\}\$\]");
string strQueryName = String.Empty;
Int64 intRecordSetNumber = 0L;
string strReplacedTableName = String.Empty;
if (query.FillStatementList == null)
{
return;
}
List<HistoryFillStatement> list = query.FillStatementList.GetSortedStatements();
List<QueryParameterInfo> parameters = new List<QueryParameterInfo>
{
new QueryParameterInfo
{
Name = _QueryIdParameterName,
Type = SqlDbType.BigInt
}
};
List<ParameterValue> paramterValues = new List<ParameterValue>
{
new ParameterValue
{
Name = _QueryIdParameterName,
StringValue = queryId.ToString()
}
};
// string newTableName = String.Format("[{0}]",
// this.GetTableName(templateNodeQuery, recordSet) ?? "_unknown_table_"
// );
// string oldTableName = "[${" + query.Name + "}$_${" + recordSet + "}$]";
// string oldTableName = String.Format("[${{{0}}}$_${{{1}}}$]",
// query.Name ?? "_unknown_table_",
// recordSet
//);
// Log.DebugFormat("oldTableName:'{0}',newTableName:'{1}'",
// oldTableName,
// newTableName
//);
foreach (HistoryFillStatement statement in list)
{
QueryItemInfo queryItem = new QueryItemInfo();
queryItem.ParentQuery = queryInfo;
queryItem.Text = statement.Text;
// queryItem.Text = statement.Text.Replace(oldTableName, newTableName);
// Regex regex = new Regex("[\$\{([\w]+)\}\$_\$\{([\w]+)\}\$]");
// Log.InfoFormat("regex:'{0}'",
// regex
// );
var results = regex.Matches(statement.Text);
foreach (Match match in results)
{
// Log.InfoFormat("match:'{0}';match.Value:'{1}'",
// match,
// match.Value
// );
strQueryName = match.Groups["QueryName"].Value;
intRecordSetNumber = Int64.Parse(match.Groups["RecordSetNumber"].Value);
// Log.InfoFormat("strQueryName:'{0}';intRecordSetNumber:'{1}'",
// strQueryName,
// intRecordSetNumber
// );
if (String.Equals(strQueryName, query.Name, StringComparison.OrdinalIgnoreCase))
{
// Log.InfoFormat("matches:strQueryName:'{0}';query.Name:'{1}'",
// strQueryName,
// query.Name
// );
strReplacedTableName = string.Format(
"[{0}]",
this.GetTableName(
templateNodeQuery,
intRecordSetNumber
)
);
// Log.InfoFormat("strReplacedTableName:'{0}'",
// strReplacedTableName
// );
// Log.InfoFormat("queryItem.Text:'{0}'",
// queryItem.Text
// );
queryItem.Text = queryItem.Text.Replace(
match.Value,
strReplacedTableName
);
// Log.InfoFormat("queryItem.Text:'{0}'",
// queryItem.Text
// );
}
}
this.ExecuteSql(
instance,
queryItem,
parameters,
paramterValues
);
}
}
internal DataTable[] ExecuteSql(
InstanceInfo instance,
QueryInfo query,
string database = null,
IEnumerable<QueryParameterInfo> parameters = null,
IEnumerable<ParameterValue> parameterValues = null,
ProgressItem progress = null,
bool fromGroupSelect = false
)
{
InstanceVersion ver = instance.ServerProperties.Version;
QueryItemInfo exactSqlVersion = query.Items.GetQueryItemForVersion(ver);
if (exactSqlVersion == null)
{
throw new InvalidOperationException("No <sql-select-text> found for version " + ver + " in <sql-select name=" + query.Name);
}
return ExecuteSql(
instance,
exactSqlVersion,
database,
parameters,
parameterValues,
progress,
fromGroupSelect
);
}
/// <summary>
/// The execute query.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="query">The query.</param>
/// <param name="parameterValues">The parameter values.</param>
/// <param name="progress">The progress.</param>
/// <returns>
/// The <see cref="QueryInstanceResultInfo" />.
/// </returns>
private QueryInstanceResultInfo ExecuteQuery(
InstanceInfo instance,
QueryInfo query,
QueryExecutionParams parameters,
ProgressItem progress = null
)
{
try
{
var factory = new QueryExecutorFactory(instance, this.ExecuteQueryItem, this.ExecuteSql);
CurrentStorage storage = this._model.GetVaultProcessor(
instance.ConnectionGroup).CurrentStorage;
ServerProperties props = instance.InitServerProperties(storage);
return factory
.GetExecutor(query.Scope)
.ExecuteQuery(query, parameters, props.Version, progress);
}
catch (OperationCanceledException ex)
{
return new QueryInstanceResultInfo(new ErrorInfo(ex), instance);
}
catch (Exception ex)
{
if (instance.IsEnabled && !ex.Data.Contains("IgnoreLog"))
{
log.Error(query.ToString(), ex);
}
if (progress != null)
{
progress.SetProgressCanceled();
}
return new QueryInstanceResultInfo(new ErrorInfo(ex), instance);
}
}
private QueryResultInfo ExecuteQuery(
GroupDefinition groupDefinition,
QueryInfo query,
QueryExecutionParams parameters,
ProgressItem progress = null
)
{
QueryResultInfo queryResult = new QueryResultInfo();
InstanceInfo instance = groupDefinition.Instance;
QueryExecutorFactory factory = new QueryExecutorFactory(
instance,
this.ExecuteQueryItem,
this.ExecuteSql
);
BaseQueryExecutor executor = factory.GetExecutor(
query.Scope
);
CurrentStorage storage = this._model.GetVaultProcessor(
instance.ConnectionGroup).CurrentStorage;
ServerProperties props = instance.InitServerProperties(storage);
QueryInstanceResultInfo instanceResult = executor.ExecuteQuerySimple(
query,
parameters,
props.Version,
progress,
groupDefinition
);
queryResult.AddInstanceResult(instanceResult);
return queryResult;
}
public QueryInstanceResultInfo GetConnectionSelectResults(
InstanceInfo selectConnectionInstance,
QueryInfo queryInfo,
QueryItemInfo queryItem,
TemplateNodeQueryInfo query
)
{
QueryDatabaseResultInfo dbResultInfo;
try
{
DataTable[] tables = ExecuteSql(
selectConnectionInstance,
queryItem,
query.TemplateNode.GetDefaultDatabase(),
queryInfo.Parameters,
query.ParameterValues
);
if (tables != null && tables.Length < 0)
{
throw new InvalidTemplateException(query + " returned no recordsets.");
}
dbResultInfo = new QueryDatabaseResultInfo(tables, queryItem);
}
catch (Exception exc)
{
ErrorInfo error = new ErrorInfo(exc);
dbResultInfo = new QueryDatabaseResultInfo(error, queryItem);
}
QueryInstanceResultInfo instanceResultInfo = new QueryInstanceResultInfo(selectConnectionInstance);
instanceResultInfo.AddDatabaseResult(dbResultInfo);
return instanceResultInfo;
}
public DataTable[] GetGroupSelectResultsFromServer(
SqlProcessor sqlProcessor,
InstanceInfo serverInstance,
QueryInfo queryInfo,
TemplateNodeQueryInfo query
)
{
DataTable[] tables = null;
ErrorInfo error = null;
Debug.Assert(IsInstance);
Debug.Assert(GroupQueries.Contains(query));
var db = this._model.GetVaultProcessor(ConnectionGroup).CurrentStorage;
InstanceTemplate settings = GetUserSettings();
//looking for user settings for parameter values
query.ReadParametersFrom(settings);
try
{
tables = sqlProcessor.ExecuteSql(
serverInstance,
queryInfo,
GetDefaultDatabase(),
queryInfo.Parameters,
query.ParameterValues,
fromGroupSelect: true
);
}
catch (Exception ex)
{
error = new ErrorInfo(ex);
tables = null;
}
Int64? queryId = db.QueryGroupDirectory.GetQueryId(
query.TemplateNode,
query,
serverInstance,
DateTime.Now,
false
);
db.SaveMeta(queryId, error, tables);
if (tables != null && tables.Length < 0)
{
throw new InvalidTemplateException(query + " returned no recordsets.");
}
return tables;
}