blob: 1df700efe5d7ff94667d281a984f51696cd2f937 [file] [log] [blame]
khenaidoo43c82122018-11-22 18:38:28 -05001/*
2 * Copyright 2018-present Open Networking Foundation
3
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7
8 * http://www.apache.org/licenses/LICENSE-2.0
9
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package kafka
17
18import (
khenaidoo79232702018-12-04 11:00:41 -050019 ca "github.com/opencord/voltha-go/protos/inter_container"
khenaidoo4c1a5bf2018-11-29 15:53:42 -050020 "time"
khenaidoo43c82122018-11-22 18:38:28 -050021)
22
23const (
khenaidoo4c1a5bf2018-11-29 15:53:42 -050024 PartitionConsumer = iota
25 GroupCustomer = iota
26)
27
28const (
29 DefaultKafkaHost = "127.0.0.1"
30 DefaultKafkaPort = 9092
31 DefaultGroupName = "rw_core"
32 DefaultSleepOnError = 1
33 DefaultProducerFlushFrequency = 5
34 DefaultProducerFlushMessages = 1
35 DefaultProducerFlushMaxmessages = 5
khenaidoo90847922018-12-03 14:47:51 -050036 DefaultProducerReturnSuccess = true
khenaidoo4c1a5bf2018-11-29 15:53:42 -050037 DefaultProducerReturnErrors = true
38 DefaultProducerRetryMax = 3
39 DefaultProducerRetryBackoff = time.Millisecond * 100
40 DefaultConsumerMaxwait = 10
41 DefaultMaxProcessingTime = 100
42 DefaultConsumerType = PartitionConsumer
43 DefaultNumberPartitions = 3
44 DefaultNumberReplicas = 1
45 DefaultAutoCreateTopic = false
khenaidoo43c82122018-11-22 18:38:28 -050046)
47
48// MsgClient represents the set of APIs a Kafka MsgClient must implement
49type Client interface {
khenaidoo4c1a5bf2018-11-29 15:53:42 -050050 Start() error
khenaidoo43c82122018-11-22 18:38:28 -050051 Stop()
khenaidoo4c1a5bf2018-11-29 15:53:42 -050052 CreateTopic(topic *Topic, numPartition int, repFactor int) error
khenaidoo43c82122018-11-22 18:38:28 -050053 DeleteTopic(topic *Topic) error
khenaidoo4c1a5bf2018-11-29 15:53:42 -050054 Subscribe(topic *Topic) (<-chan *ca.InterContainerMessage, error)
khenaidoo43c82122018-11-22 18:38:28 -050055 UnSubscribe(topic *Topic, ch <-chan *ca.InterContainerMessage) error
khenaidoo4c1a5bf2018-11-29 15:53:42 -050056 Send(msg interface{}, topic *Topic, keys ...string) error
khenaidoo43c82122018-11-22 18:38:28 -050057}