/// <summary>
/// Parse the response bytes.
/// </summary>
/// <param name="response">The bytes of the response.</param>
public override void Parse(byte[] response)
{
// ----------------------------------------------\\
// ListGroupsResponse => ErrorCode Groups
// ErrorCode => int16
// Groups => [GroupId ProtocolType]
// GroupId => string
// ProtocolType => string
// ----------------------------------------------\\
using (var stream = new MemoryStream(response))
{
var reader = new BinaryReader(stream);
// errorCode
var errorCodeBytes = new byte[2];
reader.Read(errorCodeBytes, 0, 2);
this.ErrorCode = KafkaProtocolPrimitiveType.GetInt16(errorCodeBytes);
// [groups]
var groupSizeBytes = new byte[4];
reader.Read(groupSizeBytes, 0, 4);
var numOfGroups = KafkaProtocolPrimitiveType.GetInt32(groupSizeBytes);
this.Groups = new KafkaProtocolConsumerListGroupResponseGroupInfo[numOfGroups];
for (int i = 0; i < numOfGroups; i++)
{
this.Groups[i] = new KafkaProtocolConsumerListGroupResponseGroupInfo();
// groupId : 2bytes , string
var groupIdSizeBytes = new byte[2];
reader.Read(groupIdSizeBytes, 0, 2);
var groupIdSize = KafkaProtocolPrimitiveType.GetInt16(groupIdSizeBytes);
var groupIdBytes = new byte[groupIdSize];
reader.Read(groupIdBytes, 0, groupIdSize);
this.Groups[i].GroupId = Encoding.UTF8.GetString(groupIdBytes);
// protocolType : 2bytes , string
var protocolSizeBytes = new byte[2];
reader.Read(protocolSizeBytes, 0, 2);
var protocolSize = KafkaProtocolPrimitiveType.GetInt16(protocolSizeBytes);
var protocolBytes = new byte[protocolSize];
reader.Read(protocolBytes, 0, protocolSize);
this.Groups[i].ProtocolType = Encoding.UTF8.GetString(protocolBytes);
}
}
}
/// <summary>
/// Parse the response in bytes.
/// </summary>
/// <param name="response">The bytes of the response.</param>
public override void Parse(byte[] response)
{
//-------------------------------------------------------------------\\
// MetadataResponse => [Broker][TopicMetadata]
// Broker => NodeId Host Port (any number of brokers may be returned)
// NodeId => int32
// Host => string
// Port => int32
// TopicMetadata => TopicErrorCode TopicName [PartitionMetadata]
// TopicErrorCode => int16
// PartitionMetadata => PartitionErrorCode PartitionId Leader Replicas Isr
// PartitionErrorCode => int16
// PartitionId => int32
// Leader => int32
// Replicas => [int32]
// Isr => [int32]
//-------------------------------------------------------------------\\
using (var stream = new MemoryStream(response))
{
var reader = new BinaryReader(stream);
// response body
// [broker]
var brokersSizeBytes = new byte[4];
reader.Read(brokersSizeBytes, 0, 4);
var numOfBrokers = KafkaProtocolPrimitiveType.GetInt32(brokersSizeBytes);
this.BrokerInfos = new KafkaProtocolTopicMetadataResponseBrokerInfo[numOfBrokers];
for (int i = 0; i < numOfBrokers; i++)
{
// brokerId , 4bytes , Int32
var brokerIdBytes = new byte[4];
reader.Read(brokerIdBytes, 0, 4);
var brokerId = KafkaProtocolPrimitiveType.GetInt32(brokerIdBytes);
// host , string
var hostSizeBytes = new byte[2];
reader.Read(hostSizeBytes, 0, 2);
var hostSize = KafkaProtocolPrimitiveType.GetInt16(hostSizeBytes);
var hostBytes = new byte[hostSize];
reader.Read(hostBytes, 0, hostSize);
var hostName = Encoding.UTF8.GetString(hostBytes, 0, hostSize);
// port, 4bytes, int32
var portBytes = new byte[4];
reader.Read(portBytes, 0, 4);
var portNum = KafkaProtocolPrimitiveType.GetInt32(portBytes);
this.BrokerInfos[i] = new KafkaProtocolTopicMetadataResponseBrokerInfo()
{
Host = hostName,
NodeId = brokerId,
Port = portNum
};
}
// [topicmetadata]
var topicMetadataSizeBytes = new byte[4];
reader.Read(topicMetadataSizeBytes, 0, 4);
var numOfTopicMetadatas = KafkaProtocolPrimitiveType.GetInt32(topicMetadataSizeBytes);
this.TopicInfos = new KafkaProtocolTopicMetadataResponseTopicInfo[numOfTopicMetadatas];
for (int i = 0; i < numOfTopicMetadatas; i++)
{
this.TopicInfos[i] = new KafkaProtocolTopicMetadataResponseTopicInfo();
// errorCode, 2bytes, int16
var topicErrorCodeBytes = new byte[2];
reader.Read(topicErrorCodeBytes, 0, 2);
var errorCode = KafkaProtocolPrimitiveType.GetInt16(topicErrorCodeBytes);
this.TopicInfos[i].TopicErrorCode = errorCode;
// topicname, string
var topicNameSizeBytes = new byte[2];
reader.Read(topicNameSizeBytes, 0, 2);
var topicNameSize = KafkaProtocolPrimitiveType.GetInt16(topicNameSizeBytes);
var topicNameBytes = new byte[topicNameSize];
reader.Read(topicNameBytes, 0, topicNameSize);
var topicName = Encoding.UTF8.GetString(topicNameBytes);
this.TopicInfos[i].TopicName = topicName;
// [partitionmetadata]
var partitionMetadataSizeBytes = new byte[4];
reader.Read(partitionMetadataSizeBytes, 0, 4);
var numOfPartitionMetadatas = KafkaProtocolPrimitiveType.GetInt32(partitionMetadataSizeBytes);
this.TopicInfos[i].PartitionInfos = new KafkaProtocolTopicMetadataResponsePartitionInfo[numOfPartitionMetadatas];
for (int j = 0; j < numOfPartitionMetadatas; j++)
{
this.TopicInfos[i].PartitionInfos[j] = new KafkaProtocolTopicMetadataResponsePartitionInfo();
// errorCode
var partitionErrorCodeBytes = new byte[2];
reader.Read(partitionErrorCodeBytes, 0, 2);
var partitionErrorCode = KafkaProtocolPrimitiveType.GetInt16(partitionErrorCodeBytes);
this.TopicInfos[i].PartitionInfos[j].PartitionErrorCode = partitionErrorCode;
// partitionId
var partitionIdBytes = new byte[4];
reader.Read(partitionIdBytes, 0, 4);
var partitionId = KafkaProtocolPrimitiveType.GetInt32(partitionIdBytes);
this.TopicInfos[i].PartitionInfos[j].PartitionId = partitionId;
// leader
var leaderBytes = new byte[4];
reader.Read(leaderBytes, 0, 4);
var leaderId = KafkaProtocolPrimitiveType.GetInt32(leaderBytes);
this.TopicInfos[i].PartitionInfos[j].Leader = leaderId;
// [replica]
var replicaSizeBytes = new byte[4];
reader.Read(replicaSizeBytes, 0, 4);
var numOfReplicas = KafkaProtocolPrimitiveType.GetInt32(replicaSizeBytes);
this.TopicInfos[i].PartitionInfos[j].Replicas = new int[numOfReplicas];
for (int k = 0; k < numOfReplicas; k++)
{
var replicaIdBytes = new byte[4];
reader.Read(replicaIdBytes, 0, 4);
var replicaId = KafkaProtocolPrimitiveType.GetInt32(replicaIdBytes);
this.TopicInfos[i].PartitionInfos[j].Replicas[k] = replicaId;
}
// [Isr]
var isrSizeBytes = new byte[4];
reader.Read(isrSizeBytes, 0, 4);
var numOfIsrs = KafkaProtocolPrimitiveType.GetInt32(isrSizeBytes);
this.TopicInfos[i].PartitionInfos[j].Isr = new int[numOfIsrs];
for (int k = 0; k < numOfIsrs; k++)
{
var isrIdBytes = new byte[4];
reader.Read(isrIdBytes, 0, 4);
var isrId = KafkaProtocolPrimitiveType.GetInt32(isrIdBytes);
this.TopicInfos[i].PartitionInfos[j].Isr[k] = isrId;
}
}
}
}
}
/// <summary>
/// Parse the response bytes.
/// </summary>
/// <param name="response">The bytes of the response.</param>
public override void Parse(byte[] response)
{
using (var stream = new MemoryStream(response))
{
var reader = new BinaryReader(stream);
var sizeBytes = new byte[4];
reader.Read(sizeBytes, 0, 4);
var numOfGroupInfos = KafkaProtocolPrimitiveType.GetInt32(sizeBytes);
this.GroupInfos = new KafkaProtocolConsumerDescribeGroupsResponseGroupInfo[numOfGroupInfos];
for (int i = 0; i < numOfGroupInfos; i++)
{
GroupInfos[i] = new KafkaProtocolConsumerDescribeGroupsResponseGroupInfo();
// error code
var errorCodeBytes = new byte[2];
reader.Read(errorCodeBytes, 0, 2);
GroupInfos[i].ErrorCode = KafkaProtocolPrimitiveType.GetInt16(errorCodeBytes);
// groupId
var groupIdSizeBytes = new byte[2];
reader.Read(groupIdSizeBytes, 0, 2);
var groupIdSize = KafkaProtocolPrimitiveType.GetInt16(groupIdSizeBytes);
var groupIdBytes = new byte[groupIdSize];
reader.Read(groupIdBytes, 0, groupIdSize);
GroupInfos[i].GroupId = Encoding.UTF8.GetString(groupIdBytes);
// state
var stateSizeBytes = new byte[2];
reader.Read(stateSizeBytes, 0, 2);
var stateSize = KafkaProtocolPrimitiveType.GetInt16(stateSizeBytes);
var stateBytes = new byte[stateSize];
reader.Read(stateBytes, 0, stateSize);
GroupInfos[i].State = Encoding.UTF8.GetString(stateBytes);
// protocol type
var protocolTypeSizeBytes = new byte[2];
reader.Read(protocolTypeSizeBytes, 0, 2);
var protocolTypeSize = KafkaProtocolPrimitiveType.GetInt16(protocolTypeSizeBytes);
var protocolTypeBytes = new byte[protocolTypeSize];
reader.Read(protocolTypeBytes, 0, protocolTypeSize);
GroupInfos[i].ProtocolType = Encoding.UTF8.GetString(protocolTypeBytes);
// protocol
var protocolSizeBytes = new byte[2];
reader.Read(protocolSizeBytes, 0, 2);
var protocolSize = KafkaProtocolPrimitiveType.GetInt16(protocolSizeBytes);
var protocolBytes = new byte[protocolSize];
reader.Read(protocolBytes, 0, protocolSize);
GroupInfos[i].Protocol = Encoding.UTF8.GetString(protocolBytes);
// [Members]
var membersSizeBytes = new byte[4];
reader.Read(membersSizeBytes, 0, 4);
var numOfMembers = KafkaProtocolPrimitiveType.GetInt32(membersSizeBytes);
GroupInfos[i].Members = new KafkaProtocolConsumerDescribeGroupsResponseMemberInfo[numOfMembers];
for (int j = 0; j < numOfMembers; j++)
{
GroupInfos[i].Members[j] = new KafkaProtocolConsumerDescribeGroupsResponseMemberInfo();
// memberid
var memberIdSizeBytes = new byte[2];
reader.Read(memberIdSizeBytes, 0, 2);
var memberIdSize = KafkaProtocolPrimitiveType.GetInt16(memberIdSizeBytes);
var memberBytes = new byte[memberIdSize];
reader.Read(memberBytes, 0, memberIdSize);
GroupInfos[i].Members[j].MemberId = Encoding.UTF8.GetString(memberBytes);
// client id
var clientIdSizeBytes = new byte[2];
reader.Read(clientIdSizeBytes, 0, 2);
var clientIdSize = KafkaProtocolPrimitiveType.GetInt16(clientIdSizeBytes);
var clientIdBytes = new byte[clientIdSize];
reader.Read(clientIdBytes, 0, clientIdSize);
GroupInfos[i].Members[j].ClientId = Encoding.UTF8.GetString(clientIdBytes);
// client host
var clientHostSizeBytes = new byte[2];
reader.Read(clientHostSizeBytes, 0, 2);
var clientHostSize = KafkaProtocolPrimitiveType.GetInt16(clientHostSizeBytes);
var clientHostBytes = new byte[clientHostSize];
reader.Read(clientHostBytes, 0, clientHostSize);
GroupInfos[i].Members[j].ClientHost = Encoding.UTF8.GetString(clientHostBytes);
// member metadata
var memberMetadataSizeBytes = new byte[4];
reader.Read(memberMetadataSizeBytes, 0, 4);
var memberMetadataSize = KafkaProtocolPrimitiveType.GetInt32(memberMetadataSizeBytes);
var memberMetadataBytes = new byte[memberMetadataSize];
reader.Read(memberMetadataBytes, 0, memberMetadataSize);
GroupInfos[i].Members[j].MemberMetadata = memberMetadataBytes;
// member assignment
var memberAssignmentSizeBytes = new byte[4];
reader.Read(memberAssignmentSizeBytes, 0, 4);
var memberAssignmentSize = KafkaProtocolPrimitiveType.GetInt32(memberAssignmentSizeBytes);
var memberAssignmentBytes = new byte[memberAssignmentSize];
reader.Read(memberAssignmentBytes, 0, memberAssignmentSize);
GroupInfos[i].Members[j].MemberAssignment = memberAssignmentBytes;
}
}
}
}