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discovery.vdl.go
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discovery.vdl.go
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// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This file was auto-generated by the vanadium vdl tool.
// Package: discovery
//nolint:golint
package discovery
import (
"v.io/v23/vdl"
)
var _ = initializeVDL() // Must be first; see initializeVDL comments for details.
// Type definitions
// ================
// An AdId is a globally unique identifier of an advertisement.
type AdId [16]byte
func (AdId) VDLReflect(struct {
Name string `vdl:"v.io/v23/discovery.AdId"`
}) {
}
func (x AdId) VDLIsZero() bool { //nolint:gocyclo
return x == AdId{}
}
func (x AdId) VDLWrite(enc vdl.Encoder) error { //nolint:gocyclo
if err := enc.WriteValueBytes(vdlTypeArray1, x[:]); err != nil {
return err
}
return nil
}
func (x *AdId) VDLRead(dec vdl.Decoder) error { //nolint:gocyclo
bytes := x[:]
if err := dec.ReadValueBytes(16, &bytes); err != nil {
return err
}
return nil
}
// Attributes represents service attributes as a key/value pair.
type Attributes map[string]string
func (Attributes) VDLReflect(struct {
Name string `vdl:"v.io/v23/discovery.Attributes"`
}) {
}
func (x Attributes) VDLIsZero() bool { //nolint:gocyclo
return len(x) == 0
}
func (x Attributes) VDLWrite(enc vdl.Encoder) error { //nolint:gocyclo
if err := enc.StartValue(vdlTypeMap2); err != nil {
return err
}
if err := enc.SetLenHint(len(x)); err != nil {
return err
}
for key, elem := range x {
if err := enc.NextEntryValueString(vdl.StringType, key); err != nil {
return err
}
if err := enc.WriteValueString(vdl.StringType, elem); err != nil {
return err
}
}
if err := enc.NextEntry(true); err != nil {
return err
}
return enc.FinishValue()
}
func (x *Attributes) VDLRead(dec vdl.Decoder) error { //nolint:gocyclo
if err := dec.StartValue(vdlTypeMap2); err != nil {
return err
}
var tmpMap Attributes
if len := dec.LenHint(); len > 0 {
tmpMap = make(Attributes, len)
}
for {
switch done, key, err := dec.NextEntryValueString(); {
case err != nil:
return err
case done:
*x = tmpMap
return dec.FinishValue()
default:
var elem string
switch value, err := dec.ReadValueString(); {
case err != nil:
return err
default:
elem = value
}
if tmpMap == nil {
tmpMap = make(Attributes)
}
tmpMap[key] = elem
}
}
}
// Attachments represents service attachments as a key/value pair.
type Attachments map[string][]byte
func (Attachments) VDLReflect(struct {
Name string `vdl:"v.io/v23/discovery.Attachments"`
}) {
}
func (x Attachments) VDLIsZero() bool { //nolint:gocyclo
return len(x) == 0
}
func (x Attachments) VDLWrite(enc vdl.Encoder) error { //nolint:gocyclo
if err := enc.StartValue(vdlTypeMap3); err != nil {
return err
}
if err := enc.SetLenHint(len(x)); err != nil {
return err
}
for key, elem := range x {
if err := enc.NextEntryValueString(vdl.StringType, key); err != nil {
return err
}
if err := enc.WriteValueBytes(vdlTypeList4, elem); err != nil {
return err
}
}
if err := enc.NextEntry(true); err != nil {
return err
}
return enc.FinishValue()
}
func (x *Attachments) VDLRead(dec vdl.Decoder) error { //nolint:gocyclo
if err := dec.StartValue(vdlTypeMap3); err != nil {
return err
}
var tmpMap Attachments
if len := dec.LenHint(); len > 0 {
tmpMap = make(Attachments, len)
}
for {
switch done, key, err := dec.NextEntryValueString(); {
case err != nil:
return err
case done:
*x = tmpMap
return dec.FinishValue()
default:
var elem []byte
if err := dec.ReadValueBytes(-1, &elem); err != nil {
return err
}
if tmpMap == nil {
tmpMap = make(Attachments)
}
tmpMap[key] = elem
}
}
}
// Advertisement represents a feed into advertiser to broadcast its contents
// to scanners.
//
// A large advertisement may require additional RPC calls causing delay in
// discovery. We limit the maximum size of an advertisement to 512 bytes
// excluding id and attachments.
type Advertisement struct {
// Universal unique identifier of the advertisement.
// If this is not specified, a random unique identifier will be assigned.
Id AdId
// Interface name that the advertised service implements.
// E.g., 'v.io/v23/services/vtrace.Store'.
InterfaceName string
// Addresses (vanadium object names) that the advertised service is served on.
// E.g., '/host:port/a/b/c', '/ns.dev.v.io:8101/blah/blah'.
Addresses []string
// Attributes as a key/value pair.
// E.g., {'resolution': '1024x768'}.
//
// The key must be US-ASCII printable characters, excluding the '=' character
// and should not start with '_' character.
//
// We limit the maximum number of attachments to 32.
Attributes Attributes
// Attachments as a key/value pair.
// E.g., {'thumbnail': binary_data }.
//
// Unlike attributes, attachments are for binary data and they are not queryable.
//
// The key must be US-ASCII printable characters, excluding the '=' character
// and should not start with '_' character.
//
// We limit the maximum number of attachments to 32 and the maximum size of each
// attachment is 4K bytes.
Attachments Attachments
}
func (Advertisement) VDLReflect(struct {
Name string `vdl:"v.io/v23/discovery.Advertisement"`
}) {
}
func (x Advertisement) VDLIsZero() bool { //nolint:gocyclo
if x.Id != (AdId{}) {
return false
}
if x.InterfaceName != "" {
return false
}
if len(x.Addresses) != 0 {
return false
}
if len(x.Attributes) != 0 {
return false
}
if len(x.Attachments) != 0 {
return false
}
return true
}
func (x Advertisement) VDLWrite(enc vdl.Encoder) error { //nolint:gocyclo
if err := enc.StartValue(vdlTypeStruct5); err != nil {
return err
}
if x.Id != (AdId{}) {
if err := enc.NextFieldValueBytes(0, vdlTypeArray1, x.Id[:]); err != nil {
return err
}
}
if x.InterfaceName != "" {
if err := enc.NextFieldValueString(1, vdl.StringType, x.InterfaceName); err != nil {
return err
}
}
if len(x.Addresses) != 0 {
if err := enc.NextField(2); err != nil {
return err
}
if err := vdlWriteAnonList1(enc, x.Addresses); err != nil {
return err
}
}
if len(x.Attributes) != 0 {
if err := enc.NextField(3); err != nil {
return err
}
if err := x.Attributes.VDLWrite(enc); err != nil {
return err
}
}
if len(x.Attachments) != 0 {
if err := enc.NextField(4); err != nil {
return err
}
if err := x.Attachments.VDLWrite(enc); err != nil {
return err
}
}
if err := enc.NextField(-1); err != nil {
return err
}
return enc.FinishValue()
}
func vdlWriteAnonList1(enc vdl.Encoder, x []string) error {
if err := enc.StartValue(vdlTypeList6); err != nil {
return err
}
if err := enc.SetLenHint(len(x)); err != nil {
return err
}
for _, elem := range x {
if err := enc.NextEntryValueString(vdl.StringType, elem); err != nil {
return err
}
}
if err := enc.NextEntry(true); err != nil {
return err
}
return enc.FinishValue()
}
func (x *Advertisement) VDLRead(dec vdl.Decoder) error { //nolint:gocyclo
*x = Advertisement{}
if err := dec.StartValue(vdlTypeStruct5); err != nil {
return err
}
decType := dec.Type()
for {
index, err := dec.NextField()
switch {
case err != nil:
return err
case index == -1:
return dec.FinishValue()
}
if decType != vdlTypeStruct5 {
index = vdlTypeStruct5.FieldIndexByName(decType.Field(index).Name)
if index == -1 {
if err := dec.SkipValue(); err != nil {
return err
}
continue
}
}
switch index {
case 0:
bytes := x.Id[:]
if err := dec.ReadValueBytes(16, &bytes); err != nil {
return err
}
case 1:
switch value, err := dec.ReadValueString(); {
case err != nil:
return err
default:
x.InterfaceName = value
}
case 2:
if err := vdlReadAnonList1(dec, &x.Addresses); err != nil {
return err
}
case 3:
if err := x.Attributes.VDLRead(dec); err != nil {
return err
}
case 4:
if err := x.Attachments.VDLRead(dec); err != nil {
return err
}
}
}
}
func vdlReadAnonList1(dec vdl.Decoder, x *[]string) error {
if err := dec.StartValue(vdlTypeList6); err != nil {
return err
}
if len := dec.LenHint(); len > 0 {
*x = make([]string, 0, len)
} else {
*x = nil
}
for {
switch done, elem, err := dec.NextEntryValueString(); {
case err != nil:
return err
case done:
return dec.FinishValue()
default:
*x = append(*x, elem)
}
}
}
// Hold type definitions in package-level variables, for better performance.
//nolint:unused
var (
vdlTypeArray1 *vdl.Type
vdlTypeMap2 *vdl.Type
vdlTypeMap3 *vdl.Type
vdlTypeList4 *vdl.Type
vdlTypeStruct5 *vdl.Type
vdlTypeList6 *vdl.Type
)
var initializeVDLCalled bool
// initializeVDL performs vdl initialization. It is safe to call multiple times.
// If you have an init ordering issue, just insert the following line verbatim
// into your source files in this package, right after the "package foo" clause:
//
// var _ = initializeVDL()
//
// The purpose of this function is to ensure that vdl initialization occurs in
// the right order, and very early in the init sequence. In particular, vdl
// registration and package variable initialization needs to occur before
// functions like vdl.TypeOf will work properly.
//
// This function returns a dummy value, so that it can be used to initialize the
// first var in the file, to take advantage of Go's defined init order.
func initializeVDL() struct{} {
if initializeVDLCalled {
return struct{}{}
}
initializeVDLCalled = true
// Register types.
vdl.Register((*AdId)(nil))
vdl.Register((*Attributes)(nil))
vdl.Register((*Attachments)(nil))
vdl.Register((*Advertisement)(nil))
// Initialize type definitions.
vdlTypeArray1 = vdl.TypeOf((*AdId)(nil))
vdlTypeMap2 = vdl.TypeOf((*Attributes)(nil))
vdlTypeMap3 = vdl.TypeOf((*Attachments)(nil))
vdlTypeList4 = vdl.TypeOf((*[]byte)(nil))
vdlTypeStruct5 = vdl.TypeOf((*Advertisement)(nil)).Elem()
vdlTypeList6 = vdl.TypeOf((*[]string)(nil))
return struct{}{}
}