mirror of
https://gitee.com/milvus-io/milvus.git
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333a0c8a53
Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>
132 lines
4.7 KiB
Go
132 lines
4.7 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rmq
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import (
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"context"
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"strconv"
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"github.com/cockroachdb/errors"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/mq/mqimpl/rocksmq/client"
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"github.com/milvus-io/milvus/internal/mq/mqimpl/rocksmq/server"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/metrics"
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"github.com/milvus-io/milvus/pkg/mq/msgstream/mqwrapper"
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"github.com/milvus-io/milvus/pkg/util/timerecord"
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)
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// nmqClient implements mqwrapper.Client.
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var _ mqwrapper.Client = &rmqClient{}
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// rmqClient contains a rocksmq client
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type rmqClient struct {
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client client.Client
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}
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func NewClientWithDefaultOptions(ctx context.Context) (mqwrapper.Client, error) {
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option := client.Options{Server: server.Rmq}
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return NewClient(option)
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}
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// NewClient returns a new rmqClient object
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func NewClient(opts client.Options) (*rmqClient, error) {
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c, err := client.NewClient(opts)
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if err != nil {
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log.Error("Failed to set rmq client: ", zap.Error(err))
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return nil, err
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}
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return &rmqClient{client: c}, nil
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}
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// CreateProducer creates a producer for rocksmq client
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func (rc *rmqClient) CreateProducer(options mqwrapper.ProducerOptions) (mqwrapper.Producer, error) {
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start := timerecord.NewTimeRecorder("create producer")
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateProducerLabel, metrics.TotalLabel).Inc()
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rmqOpts := client.ProducerOptions{Topic: options.Topic}
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pp, err := rc.client.CreateProducer(rmqOpts)
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if err != nil {
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateProducerLabel, metrics.FailLabel).Inc()
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return nil, err
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}
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rp := rmqProducer{p: pp}
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elapsed := start.ElapseSpan()
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metrics.MsgStreamRequestLatency.WithLabelValues(metrics.CreateProducerLabel).Observe(float64(elapsed.Milliseconds()))
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateProducerLabel, metrics.SuccessLabel).Inc()
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return &rp, nil
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}
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// Subscribe subscribes a consumer in rmq client
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func (rc *rmqClient) Subscribe(options mqwrapper.ConsumerOptions) (mqwrapper.Consumer, error) {
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start := timerecord.NewTimeRecorder("create consumer")
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateConsumerLabel, metrics.TotalLabel).Inc()
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if options.BufSize == 0 {
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateConsumerLabel, metrics.FailLabel).Inc()
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err := errors.New("subscription bufSize of rmq should never be zero")
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log.Warn("unexpected subscription consumer options", zap.Error(err))
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return nil, err
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}
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receiveChannel := make(chan mqwrapper.Message, options.BufSize)
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cli, err := rc.client.Subscribe(client.ConsumerOptions{
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Topic: options.Topic,
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SubscriptionName: options.SubscriptionName,
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MessageChannel: receiveChannel,
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SubscriptionInitialPosition: options.SubscriptionInitialPosition,
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})
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if err != nil {
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateConsumerLabel, metrics.FailLabel).Inc()
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return nil, err
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}
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rConsumer := &Consumer{c: cli, closeCh: make(chan struct{})}
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elapsed := start.ElapseSpan()
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metrics.MsgStreamRequestLatency.WithLabelValues(metrics.CreateConsumerLabel).Observe(float64(elapsed.Milliseconds()))
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metrics.MsgStreamOpCounter.WithLabelValues(metrics.CreateConsumerLabel, metrics.SuccessLabel).Inc()
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return rConsumer, nil
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}
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// EarliestMessageID returns the earliest message ID for rmq client
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func (rc *rmqClient) EarliestMessageID() mqwrapper.MessageID {
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rID := client.EarliestMessageID()
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return &server.RmqID{MessageID: rID}
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}
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// StringToMsgID converts string id to MessageID
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func (rc *rmqClient) StringToMsgID(id string) (mqwrapper.MessageID, error) {
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rID, err := strconv.ParseInt(id, 10, 64)
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if err != nil {
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return nil, err
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}
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return &server.RmqID{MessageID: rID}, nil
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}
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// BytesToMsgID converts a byte array to messageID
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func (rc *rmqClient) BytesToMsgID(id []byte) (mqwrapper.MessageID, error) {
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rID := server.DeserializeRmqID(id)
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return &server.RmqID{MessageID: rID}, nil
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}
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func (rc *rmqClient) Close() {
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rc.client.Close()
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}
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