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FEA-Bench / testbed /dpkp__kafka-python /kafka /protocol /metadata.py
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from __future__ import absolute_import
from kafka.protocol.api import Request, Response
from kafka.protocol.types import Array, Boolean, Int16, Int32, Schema, String
class MetadataResponse_v0(Response):
API_KEY = 3
API_VERSION = 0
SCHEMA = Schema(
('brokers', Array(
('node_id', Int32),
('host', String('utf-8')),
('port', Int32))),
('topics', Array(
('error_code', Int16),
('topic', String('utf-8')),
('partitions', Array(
('error_code', Int16),
('partition', Int32),
('leader', Int32),
('replicas', Array(Int32)),
('isr', Array(Int32))))))
)
class MetadataResponse_v1(Response):
API_KEY = 3
API_VERSION = 1
SCHEMA = Schema(
('brokers', Array(
('node_id', Int32),
('host', String('utf-8')),
('port', Int32),
('rack', String('utf-8')))),
('controller_id', Int32),
('topics', Array(
('error_code', Int16),
('topic', String('utf-8')),
('is_internal', Boolean),
('partitions', Array(
('error_code', Int16),
('partition', Int32),
('leader', Int32),
('replicas', Array(Int32)),
('isr', Array(Int32))))))
)
class MetadataResponse_v2(Response):
API_KEY = 3
API_VERSION = 2
SCHEMA = Schema(
('brokers', Array(
('node_id', Int32),
('host', String('utf-8')),
('port', Int32),
('rack', String('utf-8')))),
('cluster_id', String('utf-8')), # <-- Added cluster_id field in v2
('controller_id', Int32),
('topics', Array(
('error_code', Int16),
('topic', String('utf-8')),
('is_internal', Boolean),
('partitions', Array(
('error_code', Int16),
('partition', Int32),
('leader', Int32),
('replicas', Array(Int32)),
('isr', Array(Int32))))))
)
class MetadataResponse_v3(Response):
API_KEY = 3
API_VERSION = 3
SCHEMA = Schema(
('throttle_time_ms', Int32),
('brokers', Array(
('node_id', Int32),
('host', String('utf-8')),
('port', Int32),
('rack', String('utf-8')))),
('cluster_id', String('utf-8')),
('controller_id', Int32),
('topics', Array(
('error_code', Int16),
('topic', String('utf-8')),
('is_internal', Boolean),
('partitions', Array(
('error_code', Int16),
('partition', Int32),
('leader', Int32),
('replicas', Array(Int32)),
('isr', Array(Int32))))))
)
class MetadataResponse_v4(Response):
API_KEY = 3
API_VERSION = 4
SCHEMA = MetadataResponse_v3.SCHEMA
class MetadataResponse_v5(Response):
API_KEY = 3
API_VERSION = 5
SCHEMA = Schema(
('throttle_time_ms', Int32),
('brokers', Array(
('node_id', Int32),
('host', String('utf-8')),
('port', Int32),
('rack', String('utf-8')))),
('cluster_id', String('utf-8')),
('controller_id', Int32),
('topics', Array(
('error_code', Int16),
('topic', String('utf-8')),
('is_internal', Boolean),
('partitions', Array(
('error_code', Int16),
('partition', Int32),
('leader', Int32),
('replicas', Array(Int32)),
('isr', Array(Int32)),
('offline_replicas', Array(Int32))))))
)
class MetadataRequest_v0(Request):
API_KEY = 3
API_VERSION = 0
RESPONSE_TYPE = MetadataResponse_v0
SCHEMA = Schema(
('topics', Array(String('utf-8')))
)
ALL_TOPICS = None # Empty Array (len 0) for topics returns all topics
class MetadataRequest_v1(Request):
API_KEY = 3
API_VERSION = 1
RESPONSE_TYPE = MetadataResponse_v1
SCHEMA = MetadataRequest_v0.SCHEMA
ALL_TOPICS = -1 # Null Array (len -1) for topics returns all topics
NO_TOPICS = None # Empty array (len 0) for topics returns no topics
class MetadataRequest_v2(Request):
API_KEY = 3
API_VERSION = 2
RESPONSE_TYPE = MetadataResponse_v2
SCHEMA = MetadataRequest_v1.SCHEMA
ALL_TOPICS = -1 # Null Array (len -1) for topics returns all topics
NO_TOPICS = None # Empty array (len 0) for topics returns no topics
class MetadataRequest_v3(Request):
API_KEY = 3
API_VERSION = 3
RESPONSE_TYPE = MetadataResponse_v3
SCHEMA = MetadataRequest_v1.SCHEMA
ALL_TOPICS = -1 # Null Array (len -1) for topics returns all topics
NO_TOPICS = None # Empty array (len 0) for topics returns no topics
class MetadataRequest_v4(Request):
API_KEY = 3
API_VERSION = 4
RESPONSE_TYPE = MetadataResponse_v4
SCHEMA = Schema(
('topics', Array(String('utf-8'))),
('allow_auto_topic_creation', Boolean)
)
ALL_TOPICS = -1 # Null Array (len -1) for topics returns all topics
NO_TOPICS = None # Empty array (len 0) for topics returns no topics
class MetadataRequest_v5(Request):
"""
The v5 metadata request is the same as v4.
An additional field for offline_replicas has been added to the v5 metadata response
"""
API_KEY = 3
API_VERSION = 5
RESPONSE_TYPE = MetadataResponse_v5
SCHEMA = MetadataRequest_v4.SCHEMA
ALL_TOPICS = -1 # Null Array (len -1) for topics returns all topics
NO_TOPICS = None # Empty array (len 0) for topics returns no topics
MetadataRequest = [
MetadataRequest_v0, MetadataRequest_v1, MetadataRequest_v2,
MetadataRequest_v3, MetadataRequest_v4, MetadataRequest_v5
]
MetadataResponse = [
MetadataResponse_v0, MetadataResponse_v1, MetadataResponse_v2,
MetadataResponse_v3, MetadataResponse_v4, MetadataResponse_v5
]