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// This file was auto-generated by the veyron vdl tool.
// Source: speaker.vdl
package sample
import (
// The non-user imports are prefixed with "_gen_" to prevent collisions.
_gen_io "io"
_gen_veyron2 "veyron.io/veyron/veyron2"
_gen_context "veyron.io/veyron/veyron2/context"
_gen_ipc "veyron.io/veyron/veyron2/ipc"
_gen_naming "veyron.io/veyron/veyron2/naming"
_gen_vdlutil "veyron.io/veyron/veyron2/vdl/vdlutil"
_gen_wiretype "veyron.io/veyron/veyron2/wiretype"
)
// TODO(bprosnitz) Remove this line once signatures are updated to use typevals.
// It corrects a bug where _gen_wiretype is unused in VDL pacakges where only bootstrap types are used on interfaces.
const _ = _gen_wiretype.TypeIDInvalid
// Speaker allows clients to control the music being played.
// Speaker is the interface the client binds and uses.
// Speaker_ExcludingUniversal is the interface without internal framework-added methods
// to enable embedding without method collisions. Not to be used directly by clients.
type Speaker_ExcludingUniversal interface {
// Play starts or continues the current song.
Play(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (err error)
// PlaySong plays back the given song title, if possible.
PlaySong(ctx _gen_context.T, songName string, opts ..._gen_ipc.CallOpt) (err error)
// PlayStream plays the given stream of music data.
PlayStream(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply SpeakerPlayStreamCall, err error)
// GetSong retrieves the title of the Speaker's current song, if any.
GetSong(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply string, err error)
// Pause playback of the Speaker's current song.
Pause(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (err error)
// Stop playback of the Speaker's current song.
Stop(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (err error)
// Volume adjusts the Speaker's volume.
Volume(ctx _gen_context.T, volumeLevel uint16, opts ..._gen_ipc.CallOpt) (err error)
// GetVolume retrieves the Speaker's volume.
GetVolume(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply uint16, err error)
// AddSongs adds the list of given songs to the song library.
AddSongs(ctx _gen_context.T, songs []string, opts ..._gen_ipc.CallOpt) (err error)
// RemoveSongs removes the list of given songs from the song library.
RemoveSongs(ctx _gen_context.T, songs []string, opts ..._gen_ipc.CallOpt) (err error)
}
type Speaker interface {
_gen_ipc.UniversalServiceMethods
Speaker_ExcludingUniversal
}
// SpeakerService is the interface the server implements.
type SpeakerService interface {
// Play starts or continues the current song.
Play(context _gen_ipc.ServerContext) (err error)
// PlaySong plays back the given song title, if possible.
PlaySong(context _gen_ipc.ServerContext, songName string) (err error)
// PlayStream plays the given stream of music data.
PlayStream(context _gen_ipc.ServerContext, stream SpeakerServicePlayStreamStream) (err error)
// GetSong retrieves the title of the Speaker's current song, if any.
GetSong(context _gen_ipc.ServerContext) (reply string, err error)
// Pause playback of the Speaker's current song.
Pause(context _gen_ipc.ServerContext) (err error)
// Stop playback of the Speaker's current song.
Stop(context _gen_ipc.ServerContext) (err error)
// Volume adjusts the Speaker's volume.
Volume(context _gen_ipc.ServerContext, volumeLevel uint16) (err error)
// GetVolume retrieves the Speaker's volume.
GetVolume(context _gen_ipc.ServerContext) (reply uint16, err error)
// AddSongs adds the list of given songs to the song library.
AddSongs(context _gen_ipc.ServerContext, songs []string) (err error)
// RemoveSongs removes the list of given songs from the song library.
RemoveSongs(context _gen_ipc.ServerContext, songs []string) (err error)
}
// SpeakerPlayStreamCall is the interface for call object of the method
// PlayStream in the service interface Speaker.
type SpeakerPlayStreamCall interface {
// SendStream returns the send portion of the stream
SendStream() interface {
// Send places the item onto the output stream, blocking if there is no
// buffer space available. Calls to Send after having called Close
// or Cancel will fail. Any blocked Send calls will be unblocked upon
// calling Cancel.
Send(item []byte) error
// Close indicates to the server that no more items will be sent;
// server Recv calls will receive io.EOF after all sent items. This is
// an optional call - it's used by streaming clients that need the
// server to receive the io.EOF terminator before the client calls
// Finish (for example, if the client needs to continue receiving items
// from the server after having finished sending).
// Calls to Close after having called Cancel will fail.
// Like Send, Close blocks when there's no buffer space available.
Close() error
}
// Finish performs the equivalent of SendStream().Close, then blocks until the server
// is done, and returns the positional return values for call.
// If Cancel has been called, Finish will return immediately; the output of
// Finish could either be an error signalling cancelation, or the correct
// positional return values from the server depending on the timing of the
// call.
//
// Calling Finish is mandatory for releasing stream resources, unless Cancel
// has been called or any of the other methods return an error.
// Finish should be called at most once.
Finish() (err error)
// Cancel cancels the RPC, notifying the server to stop processing. It
// is safe to call Cancel concurrently with any of the other stream methods.
// Calling Cancel after Finish has returned is a no-op.
Cancel()
}
type implSpeakerPlayStreamStreamSender struct {
clientCall _gen_ipc.Call
}
func (c *implSpeakerPlayStreamStreamSender) Send(item []byte) error {
return c.clientCall.Send(item)
}
func (c *implSpeakerPlayStreamStreamSender) Close() error {
return c.clientCall.CloseSend()
}
// Implementation of the SpeakerPlayStreamCall interface that is not exported.
type implSpeakerPlayStreamCall struct {
clientCall _gen_ipc.Call
writeStream implSpeakerPlayStreamStreamSender
}
func (c *implSpeakerPlayStreamCall) SendStream() interface {
Send(item []byte) error
Close() error
} {
return &c.writeStream
}
func (c *implSpeakerPlayStreamCall) Finish() (err error) {
if ierr := c.clientCall.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (c *implSpeakerPlayStreamCall) Cancel() {
c.clientCall.Cancel()
}
type implSpeakerServicePlayStreamStreamIterator struct {
serverCall _gen_ipc.ServerCall
val []byte
err error
}
func (s *implSpeakerServicePlayStreamStreamIterator) Advance() bool {
s.err = s.serverCall.Recv(&s.val)
return s.err == nil
}
func (s *implSpeakerServicePlayStreamStreamIterator) Value() []byte {
return s.val
}
func (s *implSpeakerServicePlayStreamStreamIterator) Err() error {
if s.err == _gen_io.EOF {
return nil
}
return s.err
}
// SpeakerServicePlayStreamStream is the interface for streaming responses of the method
// PlayStream in the service interface Speaker.
type SpeakerServicePlayStreamStream interface {
// RecvStream returns the recv portion of the stream
RecvStream() interface {
// Advance stages an element so the client can retrieve it
// with Value. Advance returns true iff there is an
// element to retrieve. The client must call Advance before
// calling Value. Advance may block if an element is not
// immediately available.
Advance() bool
// Value returns the element that was staged by Advance.
// Value may panic if Advance returned false or was not
// called at all. Value does not block.
Value() []byte
// Err returns a non-nil error iff the stream encountered
// any errors. Err does not block.
Err() error
}
}
// Implementation of the SpeakerServicePlayStreamStream interface that is not exported.
type implSpeakerServicePlayStreamStream struct {
reader implSpeakerServicePlayStreamStreamIterator
}
func (s *implSpeakerServicePlayStreamStream) RecvStream() interface {
// Advance stages an element so the client can retrieve it
// with Value. Advance returns true iff there is an
// element to retrieve. The client must call Advance before
// calling Value. The client must call Cancel if it does
// not iterate through all elements (i.e. until Advance
// returns false). Advance may block if an element is not
// immediately available.
Advance() bool
// Value returns the element that was staged by Advance.
// Value may panic if Advance returned false or was not
// called at all. Value does not block.
Value() []byte
// Err returns a non-nil error iff the stream encountered
// any errors. Err does not block.
Err() error
} {
return &s.reader
}
// BindSpeaker returns the client stub implementing the Speaker
// interface.
//
// If no _gen_ipc.Client is specified, the default _gen_ipc.Client in the
// global Runtime is used.
func BindSpeaker(name string, opts ..._gen_ipc.BindOpt) (Speaker, error) {
var client _gen_ipc.Client
switch len(opts) {
case 0:
// Do nothing.
case 1:
if clientOpt, ok := opts[0].(_gen_ipc.Client); opts[0] == nil || ok {
client = clientOpt
} else {
return nil, _gen_vdlutil.ErrUnrecognizedOption
}
default:
return nil, _gen_vdlutil.ErrTooManyOptionsToBind
}
stub := &clientStubSpeaker{defaultClient: client, name: name}
return stub, nil
}
// NewServerSpeaker creates a new server stub.
//
// It takes a regular server implementing the SpeakerService
// interface, and returns a new server stub.
func NewServerSpeaker(server SpeakerService) interface{} {
return &ServerStubSpeaker{
service: server,
}
}
// clientStubSpeaker implements Speaker.
type clientStubSpeaker struct {
defaultClient _gen_ipc.Client
name string
}
func (__gen_c *clientStubSpeaker) client(ctx _gen_context.T) _gen_ipc.Client {
if __gen_c.defaultClient != nil {
return __gen_c.defaultClient
}
return _gen_veyron2.RuntimeFromContext(ctx).Client()
}
func (__gen_c *clientStubSpeaker) Play(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "Play", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) PlaySong(ctx _gen_context.T, songName string, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "PlaySong", []interface{}{songName}, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) PlayStream(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply SpeakerPlayStreamCall, err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "PlayStream", nil, opts...); err != nil {
return
}
reply = &implSpeakerPlayStreamCall{clientCall: call, writeStream: implSpeakerPlayStreamStreamSender{clientCall: call}}
return
}
func (__gen_c *clientStubSpeaker) GetSong(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply string, err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "GetSong", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&reply, &err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) Pause(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "Pause", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) Stop(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "Stop", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) Volume(ctx _gen_context.T, volumeLevel uint16, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "Volume", []interface{}{volumeLevel}, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) GetVolume(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply uint16, err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "GetVolume", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&reply, &err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) AddSongs(ctx _gen_context.T, songs []string, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "AddSongs", []interface{}{songs}, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) RemoveSongs(ctx _gen_context.T, songs []string, opts ..._gen_ipc.CallOpt) (err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "RemoveSongs", []interface{}{songs}, opts...); err != nil {
return
}
if ierr := call.Finish(&err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) UnresolveStep(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply []string, err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "UnresolveStep", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&reply, &err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) Signature(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply _gen_ipc.ServiceSignature, err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "Signature", nil, opts...); err != nil {
return
}
if ierr := call.Finish(&reply, &err); ierr != nil {
err = ierr
}
return
}
func (__gen_c *clientStubSpeaker) GetMethodTags(ctx _gen_context.T, method string, opts ..._gen_ipc.CallOpt) (reply []interface{}, err error) {
var call _gen_ipc.Call
if call, err = __gen_c.client(ctx).StartCall(ctx, __gen_c.name, "GetMethodTags", []interface{}{method}, opts...); err != nil {
return
}
if ierr := call.Finish(&reply, &err); ierr != nil {
err = ierr
}
return
}
// ServerStubSpeaker wraps a server that implements
// SpeakerService and provides an object that satisfies
// the requirements of veyron2/ipc.ReflectInvoker.
type ServerStubSpeaker struct {
service SpeakerService
}
func (__gen_s *ServerStubSpeaker) GetMethodTags(call _gen_ipc.ServerCall, method string) ([]interface{}, error) {
// TODO(bprosnitz) GetMethodTags() will be replaces with Signature().
// Note: This exhibits some weird behavior like returning a nil error if the method isn't found.
// This will change when it is replaced with Signature().
switch method {
case "Play":
return []interface{}{}, nil
case "PlaySong":
return []interface{}{}, nil
case "PlayStream":
return []interface{}{}, nil
case "GetSong":
return []interface{}{}, nil
case "Pause":
return []interface{}{}, nil
case "Stop":
return []interface{}{}, nil
case "Volume":
return []interface{}{}, nil
case "GetVolume":
return []interface{}{}, nil
case "AddSongs":
return []interface{}{}, nil
case "RemoveSongs":
return []interface{}{}, nil
default:
return nil, nil
}
}
func (__gen_s *ServerStubSpeaker) Signature(call _gen_ipc.ServerCall) (_gen_ipc.ServiceSignature, error) {
result := _gen_ipc.ServiceSignature{Methods: make(map[string]_gen_ipc.MethodSignature)}
result.Methods["AddSongs"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{
{Name: "songs", Type: 61},
},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.Methods["GetSong"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 3},
{Name: "", Type: 65},
},
}
result.Methods["GetVolume"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 51},
{Name: "", Type: 65},
},
}
result.Methods["Pause"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.Methods["Play"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.Methods["PlaySong"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{
{Name: "songName", Type: 3},
},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.Methods["PlayStream"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
InStream: 67,
}
result.Methods["RemoveSongs"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{
{Name: "songs", Type: 61},
},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.Methods["Stop"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.Methods["Volume"] = _gen_ipc.MethodSignature{
InArgs: []_gen_ipc.MethodArgument{
{Name: "volumeLevel", Type: 51},
},
OutArgs: []_gen_ipc.MethodArgument{
{Name: "", Type: 65},
},
}
result.TypeDefs = []_gen_vdlutil.Any{
_gen_wiretype.NamedPrimitiveType{Type: 0x1, Name: "error", Tags: []string(nil)}, _gen_wiretype.NamedPrimitiveType{Type: 0x32, Name: "byte", Tags: []string(nil)}, _gen_wiretype.SliceType{Elem: 0x42, Name: "", Tags: []string(nil)}}
return result, nil
}
func (__gen_s *ServerStubSpeaker) UnresolveStep(call _gen_ipc.ServerCall) (reply []string, err error) {
if unresolver, ok := __gen_s.service.(_gen_ipc.Unresolver); ok {
return unresolver.UnresolveStep(call)
}
if call.Server() == nil {
return
}
var published []string
if published, err = call.Server().Published(); err != nil || published == nil {
return
}
reply = make([]string, len(published))
for i, p := range published {
reply[i] = _gen_naming.Join(p, call.Name())
}
return
}
func (__gen_s *ServerStubSpeaker) Play(call _gen_ipc.ServerCall) (err error) {
err = __gen_s.service.Play(call)
return
}
func (__gen_s *ServerStubSpeaker) PlaySong(call _gen_ipc.ServerCall, songName string) (err error) {
err = __gen_s.service.PlaySong(call, songName)
return
}
func (__gen_s *ServerStubSpeaker) PlayStream(call _gen_ipc.ServerCall) (err error) {
stream := &implSpeakerServicePlayStreamStream{reader: implSpeakerServicePlayStreamStreamIterator{serverCall: call}}
err = __gen_s.service.PlayStream(call, stream)
return
}
func (__gen_s *ServerStubSpeaker) GetSong(call _gen_ipc.ServerCall) (reply string, err error) {
reply, err = __gen_s.service.GetSong(call)
return
}
func (__gen_s *ServerStubSpeaker) Pause(call _gen_ipc.ServerCall) (err error) {
err = __gen_s.service.Pause(call)
return
}
func (__gen_s *ServerStubSpeaker) Stop(call _gen_ipc.ServerCall) (err error) {
err = __gen_s.service.Stop(call)
return
}
func (__gen_s *ServerStubSpeaker) Volume(call _gen_ipc.ServerCall, volumeLevel uint16) (err error) {
err = __gen_s.service.Volume(call, volumeLevel)
return
}
func (__gen_s *ServerStubSpeaker) GetVolume(call _gen_ipc.ServerCall) (reply uint16, err error) {
reply, err = __gen_s.service.GetVolume(call)
return
}
func (__gen_s *ServerStubSpeaker) AddSongs(call _gen_ipc.ServerCall, songs []string) (err error) {
err = __gen_s.service.AddSongs(call, songs)
return
}
func (__gen_s *ServerStubSpeaker) RemoveSongs(call _gen_ipc.ServerCall, songs []string) (err error) {
err = __gen_s.service.RemoveSongs(call, songs)
return
}