private TCommandResult ProcessResponse(ConnectionId connectionId, CommandMessage responseMessage)
{
using (new CommandMessageDisposer(responseMessage))
{
var rawDocument = responseMessage.Sections.OfType <Type0CommandMessageSection <RawBsonDocument> >().Single().Document;
var binaryReaderSettings = new BsonBinaryReaderSettings();
if (_messageEncoderSettings != null)
{
binaryReaderSettings.Encoding = _messageEncoderSettings.GetOrDefault <UTF8Encoding>(MessageEncoderSettingsName.ReadEncoding, Utf8Encodings.Strict);
binaryReaderSettings.GuidRepresentation = _messageEncoderSettings.GetOrDefault <GuidRepresentation>(MessageEncoderSettingsName.GuidRepresentation, GuidRepresentation.CSharpLegacy);
}
;
BsonValue clusterTime;
if (rawDocument.TryGetValue("$clusterTime", out clusterTime))
{
// note: we are assuming that _session is an instance of ClusterClockAdvancingClusterTime
// and that calling _session.AdvanceClusterTime will have the side effect of advancing the cluster's ClusterTime also
var materializedClusterTime = ((RawBsonDocument)clusterTime).Materialize(binaryReaderSettings);
_session.AdvanceClusterTime(materializedClusterTime);
}
BsonValue operationTime;
if (rawDocument.TryGetValue("operationTime", out operationTime))
{
_session.AdvanceOperationTime(operationTime.AsBsonTimestamp);
}
if (!rawDocument.GetValue("ok", false).ToBoolean())
{
var materializedDocument = rawDocument.Materialize(binaryReaderSettings);
var commandName = _command.GetElement(0).Name;
if (commandName == "$query")
{
commandName = _command["$query"].AsBsonDocument.GetElement(0).Name;
}
var notPrimaryOrNodeIsRecoveringException = ExceptionMapper.MapNotPrimaryOrNodeIsRecovering(connectionId, materializedDocument, "errmsg");
if (notPrimaryOrNodeIsRecoveringException != null)
{
throw notPrimaryOrNodeIsRecoveringException;
}
var mappedException = ExceptionMapper.Map(connectionId, materializedDocument);
if (mappedException != null)
{
throw mappedException;
}
string message;
BsonValue errmsgBsonValue;
if (materializedDocument.TryGetValue("errmsg", out errmsgBsonValue) && errmsgBsonValue.IsString)
{
var errmsg = errmsgBsonValue.ToString();
message = string.Format("Command {0} failed: {1}.", commandName, errmsg);
}
else
{
message = string.Format("Command {0} failed.", commandName);
}
throw new MongoCommandException(connectionId, message, _command, materializedDocument);
}
using (var stream = new ByteBufferStream(rawDocument.Slice, ownsBuffer: false))
{
using (var reader = new BsonBinaryReader(stream, binaryReaderSettings))
{
var context = BsonDeserializationContext.CreateRoot(reader);
return(_resultSerializer.Deserialize(context));
}
}
}
}
// public methods
/// <inheritdoc />
public virtual void AdvanceClusterTime(BsonDocument newClusterTime)
{
ThrowIfDisposed();
_wrapped.AdvanceClusterTime(newClusterTime);
}
private TCommandResult ProcessResponse(ConnectionId connectionId, CommandMessage responseMessage)
{
using (new CommandMessageDisposer(responseMessage))
{
var rawDocument = responseMessage.Sections.OfType <Type0CommandMessageSection <RawBsonDocument> >().Single().Document;
var binaryReaderSettings = new BsonBinaryReaderSettings();
if (_messageEncoderSettings != null)
{
binaryReaderSettings.Encoding = _messageEncoderSettings.GetOrDefault <UTF8Encoding>(MessageEncoderSettingsName.ReadEncoding, Utf8Encodings.Strict);
#pragma warning disable 618
if (BsonDefaults.GuidRepresentationMode == GuidRepresentationMode.V2)
{
binaryReaderSettings.GuidRepresentation = _messageEncoderSettings.GetOrDefault <GuidRepresentation>(MessageEncoderSettingsName.GuidRepresentation, GuidRepresentation.CSharpLegacy);
}
#pragma warning restore 618
}
;
BsonValue clusterTime;
if (rawDocument.TryGetValue("$clusterTime", out clusterTime))
{
// note: we are assuming that _session is an instance of ClusterClockAdvancingClusterTime
// and that calling _session.AdvanceClusterTime will have the side effect of advancing the cluster's ClusterTime also
var materializedClusterTime = ((RawBsonDocument)clusterTime).Materialize(binaryReaderSettings);
_session.AdvanceClusterTime(materializedClusterTime);
}
BsonValue operationTime;
if (rawDocument.TryGetValue("operationTime", out operationTime))
{
_session.AdvanceOperationTime(operationTime.AsBsonTimestamp);
}
if (rawDocument.GetValue("ok", false).ToBoolean())
{
if (rawDocument.TryGetValue("recoveryToken", out var rawRecoveryToken))
{
var recoveryToken = ((RawBsonDocument)rawRecoveryToken).Materialize(binaryReaderSettings);
_session.CurrentTransaction.RecoveryToken = recoveryToken;
}
}
else
{
var materializedDocument = rawDocument.Materialize(binaryReaderSettings);
var commandName = _command.GetElement(0).Name;
if (commandName == "$query")
{
commandName = _command["$query"].AsBsonDocument.GetElement(0).Name;
}
var notPrimaryOrNodeIsRecoveringException = ExceptionMapper.MapNotPrimaryOrNodeIsRecovering(connectionId, _command, materializedDocument, "errmsg");
if (notPrimaryOrNodeIsRecoveringException != null)
{
throw notPrimaryOrNodeIsRecoveringException;
}
var mappedException = ExceptionMapper.Map(connectionId, materializedDocument);
if (mappedException != null)
{
throw mappedException;
}
string message;
BsonValue errmsgBsonValue;
if (materializedDocument.TryGetValue("errmsg", out errmsgBsonValue) && errmsgBsonValue.IsString)
{
var errmsg = errmsgBsonValue.ToString();
message = string.Format("Command {0} failed: {1}.", commandName, errmsg);
}
else
{
message = string.Format("Command {0} failed.", commandName);
}
var exception = new MongoCommandException(connectionId, message, _command, materializedDocument);
// https://jira.mongodb.org/browse/CSHARP-2678
if (IsRetryableWriteExceptionAndDeploymentDoesNotSupportRetryableWrites(exception))
{
throw WrapNotSupportedRetryableWriteException(exception);
}
else
{
throw exception;
}
}
if (rawDocument.Contains("writeConcernError"))
{
var materializedDocument = rawDocument.Materialize(binaryReaderSettings);
var writeConcernError = materializedDocument["writeConcernError"].AsBsonDocument;
var message = writeConcernError.AsBsonDocument.GetValue("errmsg", null)?.AsString;
var writeConcernResult = new WriteConcernResult(materializedDocument);
throw new MongoWriteConcernException(connectionId, message, writeConcernResult);
}
using (var stream = new ByteBufferStream(rawDocument.Slice, ownsBuffer: false))
{
using (var reader = new BsonBinaryReader(stream, binaryReaderSettings))
{
var context = BsonDeserializationContext.CreateRoot(reader);
return(_resultSerializer.Deserialize(context));
}
}
}
}