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from __future__ import absolute_import
from collections import namedtuple
# SimpleClient Payload Structs - Deprecated
# https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-MetadataAPI
MetadataRequest = namedtuple("MetadataRequest",
["topics"])
MetadataResponse = namedtuple("MetadataResponse",
["brokers", "topics"])
# https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-ConsumerMetadataRequest
ConsumerMetadataRequest = namedtuple("ConsumerMetadataRequest",
["groups"])
ConsumerMetadataResponse = namedtuple("ConsumerMetadataResponse",
["error", "nodeId", "host", "port"])
# https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-ProduceAPI
ProduceRequestPayload = namedtuple("ProduceRequestPayload",
["topic", "partition", "messages"])
ProduceResponsePayload = namedtuple("ProduceResponsePayload",
["topic", "partition", "error", "offset"])
# https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-FetchAPI
FetchRequestPayload = namedtuple("FetchRequestPayload",
["topic", "partition", "offset", "max_bytes"])
FetchResponsePayload = namedtuple("FetchResponsePayload",
["topic", "partition", "error", "highwaterMark", "messages"])
# https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-OffsetAPI
OffsetRequestPayload = namedtuple("OffsetRequestPayload",
["topic", "partition", "time", "max_offsets"])
ListOffsetRequestPayload = namedtuple("ListOffsetRequestPayload",
["topic", "partition", "time"])
OffsetResponsePayload = namedtuple("OffsetResponsePayload",
["topic", "partition", "error", "offsets"])
ListOffsetResponsePayload = namedtuple("ListOffsetResponsePayload",
["topic", "partition", "error", "timestamp", "offset"])
# https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-OffsetCommit/FetchAPI
OffsetCommitRequestPayload = namedtuple("OffsetCommitRequestPayload",
["topic", "partition", "offset", "metadata"])
OffsetCommitResponsePayload = namedtuple("OffsetCommitResponsePayload",
["topic", "partition", "error"])
OffsetFetchRequestPayload = namedtuple("OffsetFetchRequestPayload",
["topic", "partition"])
OffsetFetchResponsePayload = namedtuple("OffsetFetchResponsePayload",
["topic", "partition", "offset", "metadata", "error"])
# Other useful structs
TopicPartition = namedtuple("TopicPartition",
["topic", "partition"])
BrokerMetadata = namedtuple("BrokerMetadata",
["nodeId", "host", "port", "rack"])
PartitionMetadata = namedtuple("PartitionMetadata",
["topic", "partition", "leader", "replicas", "isr", "error"])
OffsetAndMetadata = namedtuple("OffsetAndMetadata",
["offset", "metadata"])
OffsetAndTimestamp = namedtuple("OffsetAndTimestamp",
["offset", "timestamp"])
# Deprecated structs
OffsetAndMessage = namedtuple("OffsetAndMessage",
["offset", "message"])
Message = namedtuple("Message",
["magic", "attributes", "key", "value"])
KafkaMessage = namedtuple("KafkaMessage",
["topic", "partition", "offset", "key", "value"])
# Define retry policy for async producer
# Limit value: int >= 0, 0 means no retries
RetryOptions = namedtuple("RetryOptions",
["limit", "backoff_ms", "retry_on_timeouts"])
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