| from __future__ import absolute_import |
|
|
| from kafka.protocol.api import Request, Response |
| from kafka.protocol.types import Array, Int8, Int16, Int32, Int64, Schema, String, Bytes |
|
|
|
|
| class FetchResponse_v0(Response): |
| API_KEY = 1 |
| API_VERSION = 0 |
| SCHEMA = Schema( |
| ('topics', Array( |
| ('topics', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('error_code', Int16), |
| ('highwater_offset', Int64), |
| ('message_set', Bytes))))) |
| ) |
|
|
|
|
| class FetchResponse_v1(Response): |
| API_KEY = 1 |
| API_VERSION = 1 |
| SCHEMA = Schema( |
| ('throttle_time_ms', Int32), |
| ('topics', Array( |
| ('topics', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('error_code', Int16), |
| ('highwater_offset', Int64), |
| ('message_set', Bytes))))) |
| ) |
|
|
|
|
| class FetchResponse_v2(Response): |
| API_KEY = 1 |
| API_VERSION = 2 |
| SCHEMA = FetchResponse_v1.SCHEMA |
|
|
|
|
| class FetchResponse_v3(Response): |
| API_KEY = 1 |
| API_VERSION = 3 |
| SCHEMA = FetchResponse_v2.SCHEMA |
|
|
|
|
| class FetchResponse_v4(Response): |
| API_KEY = 1 |
| API_VERSION = 4 |
| SCHEMA = Schema( |
| ('throttle_time_ms', Int32), |
| ('topics', Array( |
| ('topics', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('error_code', Int16), |
| ('highwater_offset', Int64), |
| ('last_stable_offset', Int64), |
| ('aborted_transactions', Array( |
| ('producer_id', Int64), |
| ('first_offset', Int64))), |
| ('message_set', Bytes))))) |
| ) |
|
|
|
|
| class FetchResponse_v5(Response): |
| API_KEY = 1 |
| API_VERSION = 5 |
| SCHEMA = Schema( |
| ('throttle_time_ms', Int32), |
| ('topics', Array( |
| ('topics', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('error_code', Int16), |
| ('highwater_offset', Int64), |
| ('last_stable_offset', Int64), |
| ('log_start_offset', Int64), |
| ('aborted_transactions', Array( |
| ('producer_id', Int64), |
| ('first_offset', Int64))), |
| ('message_set', Bytes))))) |
| ) |
|
|
|
|
| class FetchResponse_v6(Response): |
| """ |
| Same as FetchResponse_v5. The version number is bumped up to indicate that the client supports KafkaStorageException. |
| The KafkaStorageException will be translated to NotLeaderForPartitionException in the response if version <= 5 |
| """ |
| API_KEY = 1 |
| API_VERSION = 6 |
| SCHEMA = FetchResponse_v5.SCHEMA |
|
|
|
|
| class FetchResponse_v7(Response): |
| """ |
| Add error_code and session_id to response |
| """ |
| API_KEY = 1 |
| API_VERSION = 7 |
| SCHEMA = Schema( |
| ('throttle_time_ms', Int32), |
| ('error_code', Int16), |
| ('session_id', Int32), |
| ('topics', Array( |
| ('topics', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('error_code', Int16), |
| ('highwater_offset', Int64), |
| ('last_stable_offset', Int64), |
| ('log_start_offset', Int64), |
| ('aborted_transactions', Array( |
| ('producer_id', Int64), |
| ('first_offset', Int64))), |
| ('message_set', Bytes))))) |
| ) |
|
|
|
|
| class FetchResponse_v8(Response): |
| API_KEY = 1 |
| API_VERSION = 8 |
| SCHEMA = FetchResponse_v7.SCHEMA |
|
|
|
|
| class FetchResponse_v9(Response): |
| API_KEY = 1 |
| API_VERSION = 9 |
| SCHEMA = FetchResponse_v7.SCHEMA |
|
|
|
|
| class FetchResponse_v10(Response): |
| API_KEY = 1 |
| API_VERSION = 10 |
| SCHEMA = FetchResponse_v7.SCHEMA |
|
|
|
|
| class FetchResponse_v11(Response): |
| API_KEY = 1 |
| API_VERSION = 11 |
| SCHEMA = Schema( |
| ('throttle_time_ms', Int32), |
| ('error_code', Int16), |
| ('session_id', Int32), |
| ('topics', Array( |
| ('topics', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('error_code', Int16), |
| ('highwater_offset', Int64), |
| ('last_stable_offset', Int64), |
| ('log_start_offset', Int64), |
| ('aborted_transactions', Array( |
| ('producer_id', Int64), |
| ('first_offset', Int64))), |
| ('preferred_read_replica', Int32), |
| ('message_set', Bytes))))) |
| ) |
|
|
|
|
| class FetchRequest_v0(Request): |
| API_KEY = 1 |
| API_VERSION = 0 |
| RESPONSE_TYPE = FetchResponse_v0 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('offset', Int64), |
| ('max_bytes', Int32))))) |
| ) |
|
|
|
|
| class FetchRequest_v1(Request): |
| API_KEY = 1 |
| API_VERSION = 1 |
| RESPONSE_TYPE = FetchResponse_v1 |
| SCHEMA = FetchRequest_v0.SCHEMA |
|
|
|
|
| class FetchRequest_v2(Request): |
| API_KEY = 1 |
| API_VERSION = 2 |
| RESPONSE_TYPE = FetchResponse_v2 |
| SCHEMA = FetchRequest_v1.SCHEMA |
|
|
|
|
| class FetchRequest_v3(Request): |
| API_KEY = 1 |
| API_VERSION = 3 |
| RESPONSE_TYPE = FetchResponse_v3 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('max_bytes', Int32), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('offset', Int64), |
| ('max_bytes', Int32))))) |
| ) |
|
|
|
|
| class FetchRequest_v4(Request): |
| |
| API_KEY = 1 |
| API_VERSION = 4 |
| RESPONSE_TYPE = FetchResponse_v4 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('max_bytes', Int32), |
| ('isolation_level', Int8), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('offset', Int64), |
| ('max_bytes', Int32))))) |
| ) |
|
|
|
|
| class FetchRequest_v5(Request): |
| |
| API_KEY = 1 |
| API_VERSION = 5 |
| RESPONSE_TYPE = FetchResponse_v5 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('max_bytes', Int32), |
| ('isolation_level', Int8), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('fetch_offset', Int64), |
| ('log_start_offset', Int64), |
| ('max_bytes', Int32))))) |
| ) |
|
|
|
|
| class FetchRequest_v6(Request): |
| """ |
| The body of FETCH_REQUEST_V6 is the same as FETCH_REQUEST_V5. |
| The version number is bumped up to indicate that the client supports KafkaStorageException. |
| The KafkaStorageException will be translated to NotLeaderForPartitionException in the response if version <= 5 |
| """ |
| API_KEY = 1 |
| API_VERSION = 6 |
| RESPONSE_TYPE = FetchResponse_v6 |
| SCHEMA = FetchRequest_v5.SCHEMA |
|
|
|
|
| class FetchRequest_v7(Request): |
| """ |
| Add incremental fetch requests |
| """ |
| API_KEY = 1 |
| API_VERSION = 7 |
| RESPONSE_TYPE = FetchResponse_v7 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('max_bytes', Int32), |
| ('isolation_level', Int8), |
| ('session_id', Int32), |
| ('session_epoch', Int32), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('fetch_offset', Int64), |
| ('log_start_offset', Int64), |
| ('max_bytes', Int32))))), |
| ('forgotten_topics_data', Array( |
| ('topic', String), |
| ('partitions', Array(Int32)) |
| )), |
| ) |
|
|
|
|
| class FetchRequest_v8(Request): |
| """ |
| bump used to indicate that on quota violation brokers send out responses before throttling. |
| """ |
| API_KEY = 1 |
| API_VERSION = 8 |
| RESPONSE_TYPE = FetchResponse_v8 |
| SCHEMA = FetchRequest_v7.SCHEMA |
|
|
|
|
| class FetchRequest_v9(Request): |
| """ |
| adds the current leader epoch (see KIP-320) |
| """ |
| API_KEY = 1 |
| API_VERSION = 9 |
| RESPONSE_TYPE = FetchResponse_v9 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('max_bytes', Int32), |
| ('isolation_level', Int8), |
| ('session_id', Int32), |
| ('session_epoch', Int32), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('current_leader_epoch', Int32), |
| ('fetch_offset', Int64), |
| ('log_start_offset', Int64), |
| ('max_bytes', Int32))))), |
| ('forgotten_topics_data', Array( |
| ('topic', String), |
| ('partitions', Array(Int32)), |
| )), |
| ) |
|
|
|
|
| class FetchRequest_v10(Request): |
| """ |
| bumped up to indicate ZStandard capability. (see KIP-110) |
| """ |
| API_KEY = 1 |
| API_VERSION = 10 |
| RESPONSE_TYPE = FetchResponse_v10 |
| SCHEMA = FetchRequest_v9.SCHEMA |
|
|
|
|
| class FetchRequest_v11(Request): |
| """ |
| added rack ID to support read from followers (KIP-392) |
| """ |
| API_KEY = 1 |
| API_VERSION = 11 |
| RESPONSE_TYPE = FetchResponse_v11 |
| SCHEMA = Schema( |
| ('replica_id', Int32), |
| ('max_wait_time', Int32), |
| ('min_bytes', Int32), |
| ('max_bytes', Int32), |
| ('isolation_level', Int8), |
| ('session_id', Int32), |
| ('session_epoch', Int32), |
| ('topics', Array( |
| ('topic', String('utf-8')), |
| ('partitions', Array( |
| ('partition', Int32), |
| ('current_leader_epoch', Int32), |
| ('fetch_offset', Int64), |
| ('log_start_offset', Int64), |
| ('max_bytes', Int32))))), |
| ('forgotten_topics_data', Array( |
| ('topic', String), |
| ('partitions', Array(Int32)) |
| )), |
| ('rack_id', String('utf-8')), |
| ) |
|
|
|
|
| FetchRequest = [ |
| FetchRequest_v0, FetchRequest_v1, FetchRequest_v2, |
| FetchRequest_v3, FetchRequest_v4, FetchRequest_v5, |
| FetchRequest_v6, FetchRequest_v7, FetchRequest_v8, |
| FetchRequest_v9, FetchRequest_v10, FetchRequest_v11, |
| ] |
| FetchResponse = [ |
| FetchResponse_v0, FetchResponse_v1, FetchResponse_v2, |
| FetchResponse_v3, FetchResponse_v4, FetchResponse_v5, |
| FetchResponse_v6, FetchResponse_v7, FetchResponse_v8, |
| FetchResponse_v9, FetchResponse_v10, FetchResponse_v11, |
| ] |
|
|
