Packages
kafka_ex_tc
0.12.1-11-debug
0.13.0
0.12.1
0.12.1-51-1
0.12.1-50-3
0.12.1-50-2
0.12.1-50-1
0.12.1-49-2
0.12.1-49-1
0.12.1-49-0
0.12.1-48-2
0.12.1-48-1
0.12.1-47-1
0.12.1-46-2
0.12.1-45-2
0.12.1-45-1
0.12.1-44-1
0.12.1-43-1
0.12.1-42-8
0.12.1-42-6
0.12.1-42-5
0.12.1-42-4
0.12.1-42-1
0.12.1-41-2
0.12.1-41-1
0.12.1-40-9
0.12.1-40-8
0.12.1-40-7
0.12.1-40-6
0.12.1-40-5
0.12.1-40-4
0.12.1-40-3
0.12.1-40-2
0.12.1-40-10
0.12.1-40-1
0.12.1-39-2
0.12.1-39-1
0.12.1-36-3
0.12.1-36-2
0.12.1-36-1
0.12.1-34-b
0.12.1-34-a
0.12.1-33-1
0.12.1-32-a1
0.12.1-29-s-3
0.12.1-29-s-2
0.12.1-29-s-1
0.12.1-28-rumble-1
0.12.1-27-2
0.12.1-27-1
0.12.1-26-rumble-2
0.12.1-26-rumble-1
0.12.1-26-dev-1
0.12.1-26-dev.1
0.12.1-26-3
0.12.1-26-2
0.12.1-26-1
0.12.1-25-s-8
0.12.1-25-s-7
0.12.1-25-s-6
0.12.1-25-s-5
0.12.1-25-s-4
0.12.1-25-s-3
0.12.1-25-s-2
0.12.1-25-s-1
0.12.1-25-dev-22
0.12.1-25-dev
0.12.1-24-2
0.12.1-24-1
0.12.1-22-poc-b-7
0.12.1-20-poc-b-6
0.12.1-20-poc-b-5
0.12.1-20-poc-b-4
0.12.1-20-poc-b-3
0.12.1-19-poc-b-3
0.12.1-19-poc-b-2
0.12.1-19-poc-b-1
0.12.1-19-poc-7
0.12.1-19-poc-6
0.12.1-19-poc-4
0.12.1-19-poc-3
0.12.1-19-poc-2
0.12.1-19-poc-1
0.12.1-19-poc
0.12.1-11-debug-1
0.12.1-11-debug
0.12.1-39
0.12.1-38.a
0.12.1-38
0.12.1-37.c
0.12.1-37.b
0.12.1-37.a
0.12.1-37.1
0.12.1-37
0.12.1-35.b
0.12.1-35.a
0.12.1-34
0.12.1-33
0.12.1-32
0.12.1-31
0.12.1-30
0.12.1-29
0.12.1-28
0.12.1-27
0.12.1-26
0.12.1-25
0.12.1-24
0.12.1-23
0.12.1-22.1
0.12.1-22
0.12.1-21
0.12.1-20
0.12.1-19
0.12.1-18
0.12.1-17
0.12.1-16
0.12.1-15
0.12.1-14
0.12.1-13
0.12.1-12
0.12.1-11
0.12.1-10
0.12.1-9
0.12.1-8
0.12.1-7
0.12.1-6
0.12.1-5
0.12.1-4
0.12.1-3
0.12.1-2
0.12.1-1
Kafka client for Elixir/Erlang.
Current section
Files
Jump to
Current section
Files
lib/kafka_ex/protocol/offset_commit.ex
defmodule KafkaEx.Protocol.OffsetCommit do
alias KafkaEx.Protocol
@moduledoc """
Implementation of the Kafka OffsetCommit request and response APIs
"""
defmodule Request do
@moduledoc false
defstruct consumer_group: nil,
topic: nil,
partition: nil,
offset: nil,
metadata: "",
# NOTE api_version, generation_id, member_id, and timestamp only used in new client
api_version: 0,
generation_id: -1,
member_id: "kafkaex",
timestamp: 0
@type t :: %Request{
consumer_group: binary,
topic: binary,
partition: integer,
offset: integer,
api_version: integer,
generation_id: integer,
member_id: binary,
timestamp: integer
}
end
defmodule Response do
@moduledoc false
defstruct partitions: [], topic: nil
@type t :: %Response{partitions: [] | [integer] | [map], topic: binary}
end
@spec create_request(integer, binary, Request.t()) :: binary
def create_request(correlation_id, client_id, offset_commit_request) do
Protocol.create_request(:offset_commit, correlation_id, client_id) <>
<<byte_size(offset_commit_request.consumer_group)::16-signed,
offset_commit_request.consumer_group::binary, 1::32-signed,
byte_size(offset_commit_request.topic)::16-signed,
offset_commit_request.topic::binary, 1::32-signed,
offset_commit_request.partition::32-signed,
offset_commit_request.offset::64,
byte_size(offset_commit_request.metadata)::16-signed,
offset_commit_request.metadata::binary>>
end
@spec parse_response(binary) :: [] | [Response.t()]
def parse_response(
<<_correlation_id::32-signed, topics_count::32-signed,
topics_data::binary>>
) do
parse_topics(topics_count, topics_data)
end
defp parse_topics(0, _), do: []
defp parse_topics(
topic_count,
<<topic_size::16-signed, topic::size(topic_size)-binary,
partitions_count::32-signed, rest::binary>>
) do
{partitions, topics_data} = parse_partitions(partitions_count, rest, [])
[
%Response{topic: topic, partitions: partitions}
| parse_topics(topic_count - 1, topics_data)
]
end
defp parse_topics(_, _), do: []
defp parse_partitions(0, rest, partitions), do: {partitions, rest}
defp parse_partitions(
partitions_count,
<<partition::32-signed, _error_code::16-signed, rest::binary>>,
partitions
) do
# do something with error_code
parse_partitions(partitions_count - 1, rest, [partition | partitions])
end
end