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messages.go
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messages.go
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// Licensed 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 ttnpb
import (
"bytes"
"fmt"
)
// FieldIsZero returns whether path p is zero.
func (v *MessagePayloadFormatters) FieldIsZero(p string) bool {
if v == nil {
return true
}
switch p {
case "down_formatter":
return v.DownFormatter == 0
case "down_formatter_parameter":
return v.DownFormatterParameter == ""
case "up_formatter":
return v.UpFormatter == 0
case "up_formatter_parameter":
return v.UpFormatterParameter == ""
}
panic(fmt.Sprintf("unknown path '%s'", p))
}
// FieldIsZero returns whether path p is zero.
func (v *ApplicationDownlink_ClassBC) FieldIsZero(p string) bool {
if v == nil {
return true
}
switch p {
case "absolute_time":
return v.AbsoluteTime == nil
case "gateways":
return v.Gateways == nil
}
panic(fmt.Sprintf("unknown path '%s'", p))
}
// FieldIsZero returns whether path p is zero.
func (v *ApplicationDownlink_ConfirmedRetry) FieldIsZero(p string) bool {
if v == nil {
return true
}
switch p {
case "attempt":
return v.Attempt == 0
case "max_attempts":
return v.MaxAttempts == nil
}
panic(fmt.Sprintf("unknown path '%s'", p))
}
// FieldIsZero returns whether path p is zero.
func (v *ApplicationDownlink) FieldIsZero(p string) bool {
if v == nil {
return true
}
switch p {
case "class_b_c":
return v.ClassBC == nil
case "class_b_c.absolute_time":
return v.ClassBC.FieldIsZero("absolute_time")
case "class_b_c.gateways":
return v.ClassBC.FieldIsZero("gateways")
case "confirmed":
return !v.Confirmed
case "correlation_ids":
return v.CorrelationIds == nil
case "decoded_payload":
return v.DecodedPayload == nil
case "decoded_payload_warnings":
return v.DecodedPayloadWarnings == nil
case "f_cnt":
return v.FCnt == 0
case "f_port":
return v.FPort == 0
case "frm_payload":
return v.FrmPayload == nil
case "priority":
return v.Priority == 0
case "session_key_id":
return v.SessionKeyId == nil
case "confirmed_retry":
return v.ConfirmedRetry == nil
case "confirmed_retry.attempt":
return v.ConfirmedRetry.FieldIsZero("attempt")
case "confirmed_retry.max_attempts":
return v.ConfirmedRetry.FieldIsZero("max_attempts")
}
panic(fmt.Sprintf("unknown path '%s'", p))
}
// PartitionDownlinks partitions downlinks based on the general predicate p.
func PartitionDownlinks(p func(down *ApplicationDownlink) bool, downs ...*ApplicationDownlink) (t, f []*ApplicationDownlink) {
t, f = downs[:0:0], downs[:0:0]
for _, down := range downs {
if p(down) {
t = append(t, down)
} else {
f = append(f, down)
}
}
return t, f
}
// PartitionDownlinksBySessionKeyID partitions the downlinks based on the session key ID predicate p.
func PartitionDownlinksBySessionKeyID(p func([]byte) bool, downs ...*ApplicationDownlink) (t, f []*ApplicationDownlink) {
return PartitionDownlinks(func(down *ApplicationDownlink) bool { return p(down.SessionKeyId) }, downs...)
}
// PartitionDownlinksBySessionKeyIDEquality partitions the downlinks based on the equality to the given session key ID.
func PartitionDownlinksBySessionKeyIDEquality(id []byte, downs ...*ApplicationDownlink) (t, f []*ApplicationDownlink) {
return PartitionDownlinksBySessionKeyID(func(downID []byte) bool { return bytes.Equal(downID, id) }, downs...)
}