protected WriteConcernResult ReadWriteConcernResult(MongoConnection connection, SendMessageWithWriteConcernResult sendMessageResult)
{
var writeConcernResultSerializer = BsonSerializer.LookupSerializer<WriteConcernResult>();
var replyMessage = connection.ReceiveMessage<WriteConcernResult>(ReaderSettings, writeConcernResultSerializer);
if (replyMessage.NumberReturned == 0)
{
throw new MongoCommandException("Command 'getLastError' failed. No response returned", new BsonDocument("getLastError", 1));
}
var writeConcernResult = replyMessage.Documents[0];
var mappedException = ExceptionMapper.Map(writeConcernResult);
if (mappedException != null)
{
throw mappedException;
}
return writeConcernResult;
}
protected SendMessageWithWriteConcernResult SendMessageWithWriteConcern(
MongoConnection connection,
Stream stream,
int requestId,
BsonBinaryReaderSettings readerSettings,
BsonBinaryWriterSettings writerSettings,
WriteConcern writeConcern)
{
var result = new SendMessageWithWriteConcernResult();
if (writeConcern.Enabled)
{
var maxDocumentSize = connection.ServerInstance.MaxDocumentSize;
var fsync = (writeConcern.FSync == null) ? null : (BsonValue)writeConcern.FSync;
var journal = (writeConcern.Journal == null) ? null : (BsonValue)writeConcern.Journal;
var w = (writeConcern.W == null) ? null : writeConcern.W.ToGetLastErrorWValue();
var wTimeout = (writeConcern.WTimeout == null) ? null : (BsonValue)(int)writeConcern.WTimeout.Value.TotalMilliseconds;
var getLastErrorCommand = new CommandDocument
{
{ "getlasterror", 1 }, // use all lowercase for backward compatibility
{ "fsync", fsync, fsync != null },
{ "j", journal, journal != null },
{ "w", w, w != null },
{ "wtimeout", wTimeout, wTimeout != null }
};
// piggy back on network transmission for message
var getLastErrorMessage = new MongoQueryMessage(writerSettings, DatabaseName + ".$cmd", QueryFlags.None, maxDocumentSize, 0, 1, getLastErrorCommand, null);
getLastErrorMessage.WriteTo(stream);
result.GetLastErrorCommand = getLastErrorCommand;
result.GetLastErrorRequestId = getLastErrorMessage.RequestId;
}
connection.SendMessage(stream, requestId);
return result;
}
protected SendMessageWithWriteConcernResult SendMessageWithWriteConcern(
MongoConnection connection,
BsonBuffer buffer,
int requestId,
BsonBinaryReaderSettings readerSettings,
BsonBinaryWriterSettings writerSettings,
WriteConcern writeConcern)
{
var result = new SendMessageWithWriteConcernResult();
if (writeConcern.Enabled)
{
var maxDocumentSize = connection.ServerInstance.MaxDocumentSize;
var fsync = (writeConcern.FSync == null) ? null : (BsonValue)writeConcern.FSync;
var journal = (writeConcern.Journal == null) ? null : (BsonValue)writeConcern.Journal;
var w = (writeConcern.W == null) ? null : writeConcern.W.ToGetLastErrorWValue();
var wTimeout = (writeConcern.WTimeout == null) ? null : (BsonValue)(int)writeConcern.WTimeout.Value.TotalMilliseconds;
var getLastErrorCommand = new CommandDocument
{
{ "getlasterror", 1 }, // use all lowercase for backward compatibility
{ "fsync", fsync, fsync != null },
{ "j", journal, journal != null },
{ "w", w, w != null },
{ "wtimeout", wTimeout, wTimeout != null }
};
// piggy back on network transmission for message
var getLastErrorMessage = new MongoQueryMessage(writerSettings, DatabaseName + ".$cmd", QueryFlags.None, maxDocumentSize, 0, 1, getLastErrorCommand, null);
getLastErrorMessage.WriteTo(buffer);
result.GetLastErrorCommand = getLastErrorCommand;
result.GetLastErrorRequestId = getLastErrorMessage.RequestId;
}
connection.SendMessage(buffer, requestId);
return(result);
}
protected WriteConcernResult ReadWriteConcernResult(MongoConnection connection, SendMessageWithWriteConcernResult sendMessageResult)
{
var writeConcernResultSerializer = BsonSerializer.LookupSerializer(typeof(WriteConcernResult));
var replyMessage = connection.ReceiveMessage <WriteConcernResult>(ReaderSettings, writeConcernResultSerializer, null);
if (replyMessage.NumberReturned == 0)
{
throw new MongoCommandException("Command 'getLastError' failed. No response returned");
}
var writeConcernResult = replyMessage.Documents[0];
writeConcernResult.Command = sendMessageResult.GetLastErrorCommand;
writeConcernResult.ServerInstance = connection.ServerInstance;
var mappedException = ExceptionMapper.Map(writeConcernResult);
if (mappedException != null)
{
throw mappedException;
}
return(writeConcernResult);
}
