| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package golang |
| |
| import ( |
| "fmt" |
| |
| innerOS "github.com/apache/rocketmq-clients/golang/pkg/os" |
| v2 "github.com/apache/rocketmq-clients/golang/protocol/v2" |
| "google.golang.org/protobuf/types/known/timestamppb" |
| ) |
| |
| type PublishingMessage struct { |
| msg *Message |
| encoding v2.Encoding |
| messageId string |
| messageType v2.MessageType |
| traceContext *string |
| } |
| |
| var NewPublishingMessage = func(msg *Message, settings *producerSettings, txEnabled bool) (*PublishingMessage, error) { |
| if msg == nil { |
| return nil, fmt.Errorf("message is nil") |
| } |
| pMsg := &PublishingMessage{ |
| msg: msg, |
| } |
| |
| maxBodySizeBytes := settings.maxBodySizeBytes |
| |
| length := len(msg.Body) |
| if length > maxBodySizeBytes { |
| return nil, fmt.Errorf("message body size exceeds the threshold, max size=%d bytes", maxBodySizeBytes) |
| } |
| |
| // No need to compress message body. |
| pMsg.encoding = v2.Encoding_IDENTITY |
| |
| // Generate message id. |
| pMsg.messageId = GetMessageIdCodecInstance().NextMessageId().String() |
| // Normal message. |
| if msg.GetMessageGroup() == nil && msg.GetDeliveryTimestamp() == nil && !txEnabled { |
| pMsg.messageType = v2.MessageType_NORMAL |
| return pMsg, nil |
| } |
| // Fifo message. |
| if msg.GetMessageGroup() != nil && !txEnabled { |
| pMsg.messageType = v2.MessageType_FIFO |
| return pMsg, nil |
| } |
| // Delay message. |
| if msg.GetDeliveryTimestamp() != nil && !txEnabled { |
| pMsg.messageType = v2.MessageType_DELAY |
| return pMsg, nil |
| } |
| // Transaction message. |
| if msg.GetMessageGroup() == nil && msg.GetDeliveryTimestamp() == nil && txEnabled { |
| pMsg.messageType = v2.MessageType_TRANSACTION |
| return pMsg, nil |
| } |
| // Transaction semantics is conflicted with fifo/delay. |
| return nil, fmt.Errorf("transactional message should not set messageGroup or deliveryTimestamp") |
| } |
| |
| func (pMsg *PublishingMessage) toProtobuf() (*v2.Message, error) { |
| if pMsg == nil { |
| return nil, fmt.Errorf("publishingMessage is nil") |
| } |
| msg := &v2.Message{ |
| Topic: &v2.Resource{ |
| // ResourceNamespace: b.conn.Config().NameSpace, |
| Name: pMsg.msg.Topic, |
| }, |
| SystemProperties: &v2.SystemProperties{ |
| Keys: pMsg.msg.GetKeys(), |
| MessageId: pMsg.messageId, |
| BornTimestamp: timestamppb.Now(), |
| BornHost: innerOS.Hostname(), |
| BodyEncoding: v2.Encoding_IDENTITY, |
| MessageType: pMsg.messageType, |
| }, |
| UserProperties: pMsg.msg.GetProperties(), |
| Body: pMsg.msg.Body, |
| } |
| if pMsg.msg.Tag != nil { |
| msg.SystemProperties.Tag = pMsg.msg.Tag |
| } |
| if pMsg.traceContext != nil { |
| msg.SystemProperties.TraceContext = pMsg.traceContext |
| } |
| if pMsg.msg.GetDeliveryTimestamp() != nil { |
| msg.SystemProperties.DeliveryTimestamp = timestamppb.New(*pMsg.msg.GetDeliveryTimestamp()) |
| } |
| if pMsg.msg.messageGroup != nil { |
| msg.SystemProperties.MessageGroup = pMsg.msg.messageGroup |
| } |
| return msg, nil |
| } |