/// <summary>
/// Prepare response to server ping
/// </summary>
private TDSMessage _PreparePingResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.IntN;
column.DataTypeSpecific = (byte)4;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Flags.IsNullable = true; // TODO: Must be nullable, otherwise something is wrong with SqlClient
column.Flags.IsComputed = true;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Add row
rowToken.Data.Add((int)1);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response to the query about connection end-point
/// </summary>
private TDSMessage _PrepareConnectionInfoResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(40, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "net_transport";
// Add a column to the response
metadataToken.Columns.Add(column);
// Start the second column
column = new TDSColumnData();
column.DataType = TDSDataType.BigVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(48, new TDSColumnDataCollation(13632521, 52));
column.Flags.IsNullable = true;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "local_net_address";
// Add a column to the response
metadataToken.Columns.Add(column);
// Start the third column
column = new TDSColumnData();
column.DataType = TDSDataType.IntN;
column.DataTypeSpecific = (byte)4;
column.Flags.IsNullable = true;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "local_tcp_port";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Add row
rowToken.Data.Add(session.ServerEndPointInfo.Transport.ToString());
rowToken.Data.Add(session.ServerEndPointInfo.Address.ToString());
rowToken.Data.Add(session.ServerEndPointInfo.Port);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response to the query about connection encryption
/// </summary>
private TDSMessage _PrepareEncryptionInfoResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(40, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "encrypt_option";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Check if encryption is enabled
if (session.Encryption == TDSEncryptionType.Full)
{
// Add row
rowToken.Data.Add("TRUE");
}
else
{
// Add row
rowToken.Data.Add("FALSE");
}
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for query of class of the SQL Server instance
/// </summary>
private TDSMessage _PrepareTestSQLServerClassResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(256, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Get the server class
rowToken.Data.Add(session.Server.GetType().FullName);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for session user name query
/// </summary>
private TDSMessage _PrepareSessionUserResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Prepare column type-specific data
TDSShilohVarCharColumnSpecific nVarChar = new TDSShilohVarCharColumnSpecific(256, new TDSColumnDataCollation(13632521, 52));
// Prepare the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.Unknown;
column.Flags.IsNullable = true;
column.DataTypeSpecific = nVarChar;
column.Name = "nt_user_name";
// Add a column to the response
metadataToken.Columns.Add(column);
// Prepare the second column
column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.Unknown;
column.Flags.IsNullable = true;
column.DataTypeSpecific = nVarChar;
column.Name = "nt_domain";
// Add a column to the response
metadataToken.Columns.Add(column);
// Prepare the third column
column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.Unknown;
column.DataTypeSpecific = nVarChar;
column.Name = "login_name";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Check user type
if (session.SQLUserID != null)
{
// Add row
rowToken.Data.Add(null); // nt_user_name
rowToken.Data.Add(null); // nt_domain
rowToken.Data.Add(session.SQLUserID); // login_name
}
else if (session.NTUserAuthenticationContext != null)
{
// Get user identifier
string userID = session.NTUserAuthenticationContext.GetRemoteIdentity().Name;
// Look for traditional separator for form "<domain>\<user>"
int indexOfSeparator = userID.IndexOf('\\');
string domain = null;
string user = null;
// Parse domain and user out of the entry
if (indexOfSeparator != -1)
{
// Extract parts
domain = userID.Substring(0, indexOfSeparator);
user = userID.Substring(indexOfSeparator + 1);
}
else
{
// Look for a different type of separator for form "<user>@<domain>"
indexOfSeparator = userID.IndexOf('@');
// Check if found
if (indexOfSeparator != -1)
{
// Extract parts
domain = userID.Substring(indexOfSeparator + 1);
user = userID.Substring(0, indexOfSeparator);
}
else
{
// We don't recognize this user so don't parse it
domain = null;
user = userID;
}
}
// Add row
rowToken.Data.Add(user); // nt_user_name
rowToken.Data.Add(domain); // nt_domain
rowToken.Data.Add(userID); // login_name
}
else
{
// We don't have a user, which is very strange since we're in query engine already
rowToken.Data.Add(null); // nt_user_name
rowToken.Data.Add(null); // nt_domain
rowToken.Data.Add(null); // login_name
}
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for user nane query that OLE DB stack dispatches upon connection
/// </summary>
private TDSMessage _PrepareOleDbReadOnlyUserName(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.BigVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(1, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
// Add a column to the response
metadataToken.Columns.Add(column);
// Start second column
column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(128, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Add row
rowToken.Data.Add("N");
rowToken.Data.Add("dbo");
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for query whether this is a SQL Azure instance
/// </summary>
private TDSMessage _PrepareIsAzure(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start a new column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.IntN;
column.DataTypeSpecific = (byte)4;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Flags.IsComputed = true;
column.Flags.IsNullable = true; // TODO: Must be nullable, otherwise something is wrong with SqlClient
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Per http://msdn.microsoft.com/en-us/library/ms174396.aspx
// 4 = Express (This is returned for Express, Express with Advanced Services, and Windows Embedded SQL.)
rowToken.Data.Add(4);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for context info
/// </summary>
private TDSMessage _PrepareContextInfoResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start a new column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.BigVarBinary;
column.DataTypeSpecific = (ushort)128;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Prepare context info container
byte[] contextInfo = null;
// Check if session has a context info
if ((session as GenericTDSServerSession).ContextInfo != null)
{
// Allocate a container
contextInfo = new byte[128];
// Copy context info into the container
Array.Copy((session as GenericTDSServerSession).ContextInfo, contextInfo, (session as GenericTDSServerSession).ContextInfo.Length);
}
// Set context info
rowToken.Data.Add(contextInfo);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for server instance name query
/// </summary>
private TDSMessage _PrepareInstanceNameResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(256, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Start with server name
string value = ServerArguments.ServerName;
// Check if server name contains a slash
if (value.Contains("\\"))
{
// Take everything after the slash
value = value.Substring(value.IndexOf('\\') + 1);
}
else
{
// Instance is unnamed
value = null;
}
// Add row
rowToken.Data.Add(value);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for transaction isolation level
/// </summary>
private TDSMessage _PrepareTransactionIsolationLevelResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start a new column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.Int2;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "transaction_isolation_level";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Read the value from the session
rowToken.Data.Add((short)(session as GenericTDSServerSession).TransactionIsolationLevel);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for options
/// </summary>
private TDSMessage _PrepareOptionsResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start a new column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.Int4;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Flags.IsComputed = true;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Convert to generic session
GenericTDSServerSession genericSession = session as GenericTDSServerSession;
// Serialize the options into the bit mask
int options = 0;
// Check transaction abort on error
if (genericSession.TransactionAbortOnError)
{
options |= 0x4000;
}
// Check numeric round abort
if (genericSession.NumericRoundAbort)
{
options |= 0x2000;
}
// Check concatenation of nulls yields null
if (genericSession.ConcatNullYieldsNull)
{
options |= 0x1000;
}
// Check ansi null default OFF
if (!genericSession.AnsiNullDefaultOn)
{
options |= 0x800;
}
// Check ansi null default ON
if (genericSession.AnsiNullDefaultOn)
{
options |= 0x400;
}
// Check no count
if (genericSession.NoCount)
{
options |= 0x200;
}
// Check quoted identifier
if (genericSession.QuotedIdentifier)
{
options |= 0x100;
}
// Check arithmetic ignore
if (genericSession.ArithIgnore)
{
options |= 0x80;
}
// Check arithmetic abort
if (genericSession.ArithAbort)
{
options |= 0x40;
}
// Check ansi nulls
if (genericSession.AnsiNulls)
{
options |= 0x20;
}
// Check ansi padding
if (genericSession.AnsiPadding)
{
options |= 0x10;
}
// Check ansi warnings
if (genericSession.AnsiWarnings)
{
options |= 0x8;
}
// Check cursor close on commit
if (genericSession.CursorCloseOnCommit)
{
options |= 0x4;
}
// Check implicit transactions
if (genericSession.ImplicitTransactions)
{
options |= 0x2;
}
// Read the value from the session
rowToken.Data.Add(options);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for language
/// </summary>
private TDSMessage _PrepareLanguageResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start a new column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(256, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Flags.IsNullable = true;
column.Name = "language";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Generate a date format string
rowToken.Data.Add(LanguageString.ToString((session as GenericTDSServerSession).Language));
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response for ANSI null default on
/// </summary>
private TDSMessage _PrepareAnsiNullDefaultOnResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start a new column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.Bit;
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "ansi_null_dflt_on";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Read the value from the session
rowToken.Data.Add((session as GenericTDSServerSession).AnsiNullDefaultOn);
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response to connection reset request count
/// </summary>
private TDSMessage _PrepareAuthSchemeResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(40, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "auth_scheme";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Check which authentication method are we using
// @TODO add Federated Authentication once VSTS 1072394 is resolved
if (session.SQLUserID != null)
{
// Add row
rowToken.Data.Add("SQL");
}
else
{
// Add row
rowToken.Data.Add("NTML");
}
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare response to connection reset request count
/// </summary>
private TDSMessage _PrepareSPIDResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(128, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Flags.IsNullable = true;
column.Flags.IsComputed = true;
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Add row
rowToken.Data.Add(session.SessionID.ToString());
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
/// <summary>
/// Prepare current database response
/// </summary>
private TDSMessage _PrepareDatabaseResponse(ITDSServerSession session)
{
// Prepare result metadata
TDSColMetadataToken metadataToken = new TDSColMetadataToken();
// Start the first column
TDSColumnData column = new TDSColumnData();
column.DataType = TDSDataType.NVarChar;
column.DataTypeSpecific = new TDSShilohVarCharColumnSpecific(256, new TDSColumnDataCollation(13632521, 52));
column.Flags.Updatable = TDSColumnDataUpdatableFlag.ReadOnly;
column.Name = "name";
// Add a column to the response
metadataToken.Columns.Add(column);
// Start the second column
column = new TDSColumnData();
column.DataType = TDSDataType.IntN;
column.DataTypeSpecific = (byte)1;
column.Flags.IsNullable = true;
column.Name = "state";
// Add a column to the response
metadataToken.Columns.Add(column);
// Log response
TDSUtilities.Log(Log, "Response", metadataToken);
// Prepare result data
TDSRowToken rowToken = new TDSRowToken(metadataToken);
// Add row
rowToken.Data.Add(session.Database);
rowToken.Data.Add((byte)0); // Online
// Log response
TDSUtilities.Log(Log, "Response", rowToken);
// Create DONE token
TDSDoneToken doneToken = new TDSDoneToken(TDSDoneTokenStatusType.Final | TDSDoneTokenStatusType.Count, TDSDoneTokenCommandType.Select, 1);
// Log response
TDSUtilities.Log(Log, "Response", doneToken);
// Serialize tokens into the message
return new TDSMessage(TDSMessageType.Response, metadataToken, rowToken, doneToken);
}
