func PushAMessage(pq *pqueue.PQueue, senderId string, paramList []string) sqs_response.SQSResponse { out := &MessageParams{ DelaySeconds: -1, MessageBody: "", } attrs, err := urlutils.ParseNNotationAttr("MessageAttribute.", paramList, out.Parse, NewReqQueueAttr) if err != nil { return err } attrsLen := len(attrs) outAttrs := make(map[string]*sqsmsg.UserAttribute) for i := 1; i <= attrsLen; i++ { a, ok := attrs[i] if !ok { return sqserr.InvalidParameterValueError("The request must contain non-empty message attribute name.") } reqMsgAttr, _ := a.(*ReqMsgAttr) sqs_err := validation.ValidateMessageAttrName(reqMsgAttr.Name) if sqs_err != nil { return sqs_err } sqs_err = validation.ValidateMessageAttrName(reqMsgAttr.DataType) if sqs_err != nil { return sqs_err } if reqMsgAttr.BinaryValue != "" && reqMsgAttr.StringValue != "" { return sqserr.InvalidParameterValueError( "Message attribute name '%s' has multiple values.", reqMsgAttr.Name) } if _, ok := outAttrs[reqMsgAttr.Name]; ok { return sqserr.InvalidParameterValueError( "Message attribute name '%s' already exists.", reqMsgAttr.Name) } if strings.HasPrefix(reqMsgAttr.DataType, "Number") { if _, err := strconv.Atoi(reqMsgAttr.StringValue); err != nil { return sqserr.InvalidParameterValueError( "Could not cast message attribute '%s' value to number.", reqMsgAttr.Name) } } if reqMsgAttr.BinaryValue != "" { if reqMsgAttr.DataType != "Binary" { return sqserr.InvalidParameterValueError( "The message attribute '%s' with type 'Binary' must use field 'Binary'", reqMsgAttr.Name) } outAttrs[reqMsgAttr.Name] = &sqsmsg.UserAttribute{ Type: reqMsgAttr.DataType, Value: reqMsgAttr.BinaryValue, } continue } if reqMsgAttr.StringValue != "" { if reqMsgAttr.DataType != "String" && reqMsgAttr.DataType != "Number" { return sqserr.InvalidParameterValueError( "The message attribute '%s' with type 'String' must use field 'String'", reqMsgAttr.Name) } outAttrs[reqMsgAttr.Name] = &sqsmsg.UserAttribute{ Type: reqMsgAttr.DataType, Value: reqMsgAttr.StringValue, } } } msgId := IdGen.RandId() if out.DelaySeconds < 0 { out.DelaySeconds = pq.Config().DeliveryDelay } else if out.DelaySeconds > conf.CFG_PQ.MaxDeliveryDelay { return sqserr.InvalidParameterValueError( "Delay secods must be between 0 and %d", conf.CFG_PQ.MaxDeliveryDelay/1000) } bodyMd5str := fmt.Sprintf("%x", md5.Sum(enc.UnsafeStringToBytes(out.MessageBody))) attrMd5 := CalcAttrMd5(outAttrs) msgPayload := sqsmsg.SQSMessagePayload{ UserAttributes: outAttrs, MD5OfMessageBody: bodyMd5str, MD5OfMessageAttributes: attrMd5, SenderId: senderId, SentTimestamp: strconv.FormatInt(utils.Uts(), 10), Payload: out.MessageBody, } d, marshalErr := msgPayload.Marshal() if marshalErr != nil { log.Error("Failed to serialize message payload: %v", err) } payload := enc.UnsafeBytesToString(d) resp := pq.Push(msgId, payload, pq.Config().MsgTtl, out.DelaySeconds, 1) if resp.IsError() { e, _ := resp.(error) return sqserr.InvalidParameterValueError(e.Error()) } return &SendMessageResponse{ MessageId: msgId, MD5OfMessageBody: bodyMd5str, MD5OfMessageAttributes: attrMd5, RequestId: "req", } }