mirror of https://github.com/milvus-io/milvus.git
				
				
				
			enhance: get msg type from the msg header to reduce the Unmarshal usage (#36409)
/kind improvement Signed-off-by: SimFG <bang.fu@zilliz.com>pull/36367/head^2
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			@ -16,6 +16,14 @@
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package common
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import (
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	"fmt"
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	"google.golang.org/protobuf/proto"
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	"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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)
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// ProducerOptions contains the options of a producer
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type ProducerOptions struct {
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	// The topic that this Producer will publish
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			@ -65,3 +73,30 @@ const (
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	// SubscriptionPositionUnkown indicates we don't care about the consumer location, since we are doing another seek or only some meta api over that
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	SubscriptionPositionUnknown
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)
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const MsgTypeKey = "msg_type"
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func GetMsgType(msg Message) (commonpb.MsgType, error) {
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	msgType := commonpb.MsgType_Undefined
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	properties := msg.Properties()
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	if properties != nil {
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		if val, ok := properties[MsgTypeKey]; ok {
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			msgType = commonpb.MsgType(commonpb.MsgType_value[val])
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		}
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	}
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	if msgType == commonpb.MsgType_Undefined {
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		header := commonpb.MsgHeader{}
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		if msg.Payload() == nil {
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			return msgType, fmt.Errorf("failed to unmarshal message header, payload is empty")
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		}
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		err := proto.Unmarshal(msg.Payload(), &header)
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		if err != nil {
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			return msgType, fmt.Errorf("failed to unmarshal message header, err %s", err.Error())
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		}
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		if header.Base == nil {
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			return msgType, fmt.Errorf("failed to unmarshal message, header is uncomplete")
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		}
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		msgType = header.Base.MsgType
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	}
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	return msgType, nil
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}
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			@ -325,7 +325,9 @@ func (ms *mqMsgStream) Produce(msgPack *MsgPack) error {
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					return err
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				}
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				msg := &common.ProducerMessage{Payload: m, Properties: map[string]string{}}
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				msg := &common.ProducerMessage{Payload: m, Properties: map[string]string{
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					common.MsgTypeKey: v.Msgs[i].Type().String(),
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				}}
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				InjectCtx(spanCtx, msg.Properties)
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				ms.producerLock.RLock()
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			@ -396,18 +398,11 @@ func (ms *mqMsgStream) getTsMsgFromConsumerMsg(msg common.Message) (TsMsg, error
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// GetTsMsgFromConsumerMsg get TsMsg from consumer message
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func GetTsMsgFromConsumerMsg(unmarshalDispatcher UnmarshalDispatcher, msg common.Message) (TsMsg, error) {
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	header := commonpb.MsgHeader{}
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	if msg.Payload() == nil {
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		return nil, fmt.Errorf("failed to unmarshal message header, payload is empty")
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	}
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	err := proto.Unmarshal(msg.Payload(), &header)
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	msgType, err := common.GetMsgType(msg)
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	if err != nil {
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		return nil, fmt.Errorf("failed to unmarshal message header, err %s", err.Error())
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		return nil, err
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	}
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	if header.Base == nil {
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		return nil, fmt.Errorf("failed to unmarshal message, header is uncomplete")
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	}
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	tsMsg, err := unmarshalDispatcher.Unmarshal(msg.Payload(), header.Base.MsgType)
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	tsMsg, err := unmarshalDispatcher.Unmarshal(msg.Payload(), msgType)
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	if err != nil {
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		return nil, fmt.Errorf("failed to unmarshal tsMsg, err %s", err.Error())
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	}
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