/// <inheritdoc cref="AbstractCommand.Execute" />
public override ServerResponse Execute
(
ClientQuery query
)
{
Sure.NotNull(query, nameof(query));
Log.Trace("ConnectCommand::Execute");
if (Connection.Connected)
{
Log.Error
(
"ConnectCommand::Execute: "
+ "already connected"
);
throw new IrbisException("Already connected");
}
ServerResponse result;
while (true)
{
result = base.Execute(query);
Log.Trace
(
"ConnectCommand::Execute: returnCode="
+ result.ReturnCode
);
// CLIENT_ALREADY_EXISTS
if (result.ReturnCode == -3337)
{
IrbisConnection connection = Connection as IrbisConnection;
int newId = ReferenceEquals(connection, null)
? Connection.ClientID + 1
: connection.GenerateClientID();
query.ClientID = newId;
}
else
{
break;
}
}
if (result.ReturnCode == 0)
{
ConfirmationInterval = result.RequireInt32();
Configuration = result.RemainingAnsiText();
}
ServerVersion = result.ServerVersion;
return(result);
}
/// <summary>
/// Constructor.
/// </summary>
public ConnectCommand
(
[NotNull] IIrbisConnection connection
)
: base(connection)
{
Log.Trace("ConnectCommand::Constructor");
// TODO fix it!
IrbisConnection nativeConnection = connection as IrbisConnection;
if (!ReferenceEquals(nativeConnection, null))
{
nativeConnection.GenerateClientID();
nativeConnection.ResetCommandNumber();
}
}
