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| 1 | +// Copyright © 2023 OpenIM. All rights reserved. |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package kafka |
| 16 | + |
| 17 | +import ( |
| 18 | + "context" |
| 19 | + "errors" |
| 20 | + |
| 21 | + "github.com/IBM/sarama" |
| 22 | + "github.com/openimsdk/tools/log" |
| 23 | +) |
| 24 | + |
| 25 | +type MConsumerGroup struct { |
| 26 | + sarama.ConsumerGroup |
| 27 | + groupID string |
| 28 | + topics []string |
| 29 | +} |
| 30 | + |
| 31 | +func NewMConsumerGroup(conf *Config, groupID string, topics []string, autoCommitEnable bool) (*MConsumerGroup, error) { |
| 32 | + config, err := BuildConsumerGroupConfig(conf, sarama.OffsetNewest, autoCommitEnable) |
| 33 | + if err != nil { |
| 34 | + return nil, err |
| 35 | + } |
| 36 | + group, err := NewConsumerGroup(config, conf.Addr, groupID) |
| 37 | + if err != nil { |
| 38 | + return nil, err |
| 39 | + } |
| 40 | + return &MConsumerGroup{ |
| 41 | + ConsumerGroup: group, |
| 42 | + groupID: groupID, |
| 43 | + topics: topics, |
| 44 | + }, nil |
| 45 | +} |
| 46 | + |
| 47 | +func (mc *MConsumerGroup) GetContextFromMsg(cMsg *sarama.ConsumerMessage) context.Context { |
| 48 | + return GetContextWithMQHeader(cMsg.Headers) |
| 49 | +} |
| 50 | + |
| 51 | +func (mc *MConsumerGroup) RegisterHandleAndConsumer(ctx context.Context, handler sarama.ConsumerGroupHandler) { |
| 52 | + for { |
| 53 | + err := mc.ConsumerGroup.Consume(ctx, mc.topics, handler) |
| 54 | + if errors.Is(err, sarama.ErrClosedConsumerGroup) { |
| 55 | + return |
| 56 | + } |
| 57 | + if errors.Is(err, context.Canceled) { |
| 58 | + return |
| 59 | + } |
| 60 | + if err != nil { |
| 61 | + log.ZWarn(ctx, "consume err", err, "topic", mc.topics, "groupID", mc.groupID) |
| 62 | + } |
| 63 | + } |
| 64 | +} |
| 65 | + |
| 66 | +func (mc *MConsumerGroup) Close() error { |
| 67 | + return mc.ConsumerGroup.Close() |
| 68 | +} |
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