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api.go
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api.go
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// Code generated by private/model/cli/gen-api/main.go. DO NOT EDIT.
package restjsonservice
import (
"bytes"
"fmt"
"io"
"sync"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/awsutil"
"github.com/aws/aws-sdk-go/aws/client"
"github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/private/protocol"
"github.com/aws/aws-sdk-go/private/protocol/eventstream"
"github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi"
"github.com/aws/aws-sdk-go/private/protocol/rest"
"github.com/aws/aws-sdk-go/private/protocol/restjson"
)
const opEmptyStream = "EmptyStream"
// EmptyStreamRequest generates a "aws/request.Request" representing the
// client's request for the EmptyStream operation. The "output" return
// value will be populated with the request's response once the request completes
// successfully.
//
// Use "Send" method on the returned Request to send the API call to the service.
// the "output" return value is not valid until after Send returns without error.
//
// See EmptyStream for more information on using the EmptyStream
// API call, and error handling.
//
// This method is useful when you want to inject custom logic or configuration
// into the SDK's request lifecycle. Such as custom headers, or retry logic.
//
// // Example sending a request using the EmptyStreamRequest method.
// req, resp := client.EmptyStreamRequest(params)
//
// err := req.Send()
// if err == nil { // resp is now filled
// fmt.Println(resp)
// }
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/RESTJSONService-0000-00-00/EmptyStream
func (c *RESTJSONService) EmptyStreamRequest(input *EmptyStreamInput) (req *request.Request, output *EmptyStreamOutput) {
op := &request.Operation{
Name: opEmptyStream,
HTTPMethod: "POST",
HTTPPath: "/",
}
if input == nil {
input = &EmptyStreamInput{}
}
output = &EmptyStreamOutput{}
req = c.newRequest(op, input, output)
es := NewEmptyStreamEventStream()
output.eventStream = es
req.Handlers.Send.Swap(client.LogHTTPResponseHandler.Name, client.LogHTTPResponseHeaderHandler)
req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, rest.UnmarshalHandler)
req.Handlers.Unmarshal.PushBack(es.runOutputStream)
req.Handlers.Unmarshal.PushBack(es.runOnStreamPartClose)
return
}
// EmptyStream API operation for REST JSON Service.
//
// Returns awserr.Error for service API and SDK errors. Use runtime type assertions
// with awserr.Error's Code and Message methods to get detailed information about
// the error.
//
// See the AWS API reference guide for REST JSON Service's
// API operation EmptyStream for usage and error information.
// See also, https://docs.aws.amazon.com/goto/WebAPI/RESTJSONService-0000-00-00/EmptyStream
func (c *RESTJSONService) EmptyStream(input *EmptyStreamInput) (*EmptyStreamOutput, error) {
req, out := c.EmptyStreamRequest(input)
return out, req.Send()
}
// EmptyStreamWithContext is the same as EmptyStream with the addition of
// the ability to pass a context and additional request options.
//
// See EmptyStream for details on how to use this API operation.
//
// The context must be non-nil and will be used for request cancellation. If
// the context is nil a panic will occur. In the future the SDK may create
// sub-contexts for http.Requests. See https://golang.org/pkg/context/
// for more information on using Contexts.
func (c *RESTJSONService) EmptyStreamWithContext(ctx aws.Context, input *EmptyStreamInput, opts ...request.Option) (*EmptyStreamOutput, error) {
req, out := c.EmptyStreamRequest(input)
req.SetContext(ctx)
req.ApplyOptions(opts...)
return out, req.Send()
}
var _ awserr.Error
// EmptyStreamEventStream provides the event stream handling for the EmptyStream.
//
// For testing and mocking the event stream this type should be initialized via
// the NewEmptyStreamEventStream constructor function. Using the functional options
// to pass in nested mock behavior.
type EmptyStreamEventStream struct {
// Reader is the EventStream reader for the EmptyEventStream
// events. This value is automatically set by the SDK when the API call is made
// Use this member when unit testing your code with the SDK to mock out the
// EventStream Reader.
//
// Must not be nil.
Reader EmptyEventStreamReader
outputReader io.ReadCloser
done chan struct{}
closeOnce sync.Once
err *eventstreamapi.OnceError
}
// NewEmptyStreamEventStream initializes an EmptyStreamEventStream.
// This function should only be used for testing and mocking the EmptyStreamEventStream
// stream within your application.
//
// The Reader member must be set before reading events from the stream.
//
// es := NewEmptyStreamEventStream(func(o *EmptyStreamEventStream){
// es.Reader = myMockStreamReader
// })
func NewEmptyStreamEventStream(opts ...func(*EmptyStreamEventStream)) *EmptyStreamEventStream {
es := &EmptyStreamEventStream{
done: make(chan struct{}),
err: eventstreamapi.NewOnceError(),
}
for _, fn := range opts {
fn(es)
}
return es
}
func (es *EmptyStreamEventStream) runOnStreamPartClose(r *request.Request) {
if es.done == nil {
return
}
go es.waitStreamPartClose()
}
func (es *EmptyStreamEventStream) waitStreamPartClose() {
var outputErrCh <-chan struct{}
if v, ok := es.Reader.(interface{ ErrorSet() <-chan struct{} }); ok {
outputErrCh = v.ErrorSet()
}
var outputClosedCh <-chan struct{}
if v, ok := es.Reader.(interface{ Closed() <-chan struct{} }); ok {
outputClosedCh = v.Closed()
}
select {
case <-es.done:
case <-outputErrCh:
es.err.SetError(es.Reader.Err())
es.Close()
case <-outputClosedCh:
if err := es.Reader.Err(); err != nil {
es.err.SetError(es.Reader.Err())
}
es.Close()
}
}
// Events returns a channel to read events from.
//
// These events are:
//
// - EmptyEventStreamUnknownEvent
func (es *EmptyStreamEventStream) Events() <-chan EmptyEventStreamEvent {
return es.Reader.Events()
}
func (es *EmptyStreamEventStream) runOutputStream(r *request.Request) {
var opts []func(*eventstream.Decoder)
if r.Config.Logger != nil && r.Config.LogLevel.Matches(aws.LogDebugWithEventStreamBody) {
opts = append(opts, eventstream.DecodeWithLogger(r.Config.Logger))
}
unmarshalerForEvent := unmarshalerForEmptyEventStreamEvent{
metadata: protocol.ResponseMetadata{
StatusCode: r.HTTPResponse.StatusCode,
RequestID: r.RequestID,
},
}.UnmarshalerForEventName
decoder := eventstream.NewDecoder(r.HTTPResponse.Body, opts...)
eventReader := eventstreamapi.NewEventReader(decoder,
protocol.HandlerPayloadUnmarshal{
Unmarshalers: r.Handlers.UnmarshalStream,
},
unmarshalerForEvent,
)
es.outputReader = r.HTTPResponse.Body
es.Reader = newReadEmptyEventStream(eventReader)
}
// Close closes the stream. This will also cause the stream to be closed.
// Close must be called when done using the stream API. Not calling Close
// may result in resource leaks.
//
// You can use the closing of the Reader's Events channel to terminate your
// application's read from the API's stream.
func (es *EmptyStreamEventStream) Close() (err error) {
es.closeOnce.Do(es.safeClose)
return es.Err()
}
func (es *EmptyStreamEventStream) safeClose() {
if es.done != nil {
close(es.done)
}
es.Reader.Close()
if es.outputReader != nil {
es.outputReader.Close()
}
}
// Err returns any error that occurred while reading or writing EventStream
// Events from the service API's response. Returns nil if there were no errors.
func (es *EmptyStreamEventStream) Err() error {
if err := es.err.Err(); err != nil {
return err
}
if err := es.Reader.Err(); err != nil {
return err
}
return nil
}
const opGetEventStream = "GetEventStream"
// GetEventStreamRequest generates a "aws/request.Request" representing the
// client's request for the GetEventStream operation. The "output" return
// value will be populated with the request's response once the request completes
// successfully.
//
// Use "Send" method on the returned Request to send the API call to the service.
// the "output" return value is not valid until after Send returns without error.
//
// See GetEventStream for more information on using the GetEventStream
// API call, and error handling.
//
// This method is useful when you want to inject custom logic or configuration
// into the SDK's request lifecycle. Such as custom headers, or retry logic.
//
// // Example sending a request using the GetEventStreamRequest method.
// req, resp := client.GetEventStreamRequest(params)
//
// err := req.Send()
// if err == nil { // resp is now filled
// fmt.Println(resp)
// }
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/RESTJSONService-0000-00-00/GetEventStream
func (c *RESTJSONService) GetEventStreamRequest(input *GetEventStreamInput) (req *request.Request, output *GetEventStreamOutput) {
op := &request.Operation{
Name: opGetEventStream,
HTTPMethod: "POST",
HTTPPath: "/",
}
if input == nil {
input = &GetEventStreamInput{}
}
output = &GetEventStreamOutput{}
req = c.newRequest(op, input, output)
es := NewGetEventStreamEventStream()
output.eventStream = es
req.Handlers.Send.Swap(client.LogHTTPResponseHandler.Name, client.LogHTTPResponseHeaderHandler)
req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, rest.UnmarshalHandler)
req.Handlers.Unmarshal.PushBack(es.runOutputStream)
req.Handlers.Unmarshal.PushBack(es.runOnStreamPartClose)
return
}
// GetEventStream API operation for REST JSON Service.
//
// Returns awserr.Error for service API and SDK errors. Use runtime type assertions
// with awserr.Error's Code and Message methods to get detailed information about
// the error.
//
// See the AWS API reference guide for REST JSON Service's
// API operation GetEventStream for usage and error information.
// See also, https://docs.aws.amazon.com/goto/WebAPI/RESTJSONService-0000-00-00/GetEventStream
func (c *RESTJSONService) GetEventStream(input *GetEventStreamInput) (*GetEventStreamOutput, error) {
req, out := c.GetEventStreamRequest(input)
return out, req.Send()
}
// GetEventStreamWithContext is the same as GetEventStream with the addition of
// the ability to pass a context and additional request options.
//
// See GetEventStream for details on how to use this API operation.
//
// The context must be non-nil and will be used for request cancellation. If
// the context is nil a panic will occur. In the future the SDK may create
// sub-contexts for http.Requests. See https://golang.org/pkg/context/
// for more information on using Contexts.
func (c *RESTJSONService) GetEventStreamWithContext(ctx aws.Context, input *GetEventStreamInput, opts ...request.Option) (*GetEventStreamOutput, error) {
req, out := c.GetEventStreamRequest(input)
req.SetContext(ctx)
req.ApplyOptions(opts...)
return out, req.Send()
}
var _ awserr.Error
// GetEventStreamEventStream provides the event stream handling for the GetEventStream.
//
// For testing and mocking the event stream this type should be initialized via
// the NewGetEventStreamEventStream constructor function. Using the functional options
// to pass in nested mock behavior.
type GetEventStreamEventStream struct {
// Reader is the EventStream reader for the EventStream
// events. This value is automatically set by the SDK when the API call is made
// Use this member when unit testing your code with the SDK to mock out the
// EventStream Reader.
//
// Must not be nil.
Reader EventStreamReader
outputReader io.ReadCloser
done chan struct{}
closeOnce sync.Once
err *eventstreamapi.OnceError
}
// NewGetEventStreamEventStream initializes an GetEventStreamEventStream.
// This function should only be used for testing and mocking the GetEventStreamEventStream
// stream within your application.
//
// The Reader member must be set before reading events from the stream.
//
// es := NewGetEventStreamEventStream(func(o *GetEventStreamEventStream){
// es.Reader = myMockStreamReader
// })
func NewGetEventStreamEventStream(opts ...func(*GetEventStreamEventStream)) *GetEventStreamEventStream {
es := &GetEventStreamEventStream{
done: make(chan struct{}),
err: eventstreamapi.NewOnceError(),
}
for _, fn := range opts {
fn(es)
}
return es
}
func (es *GetEventStreamEventStream) runOnStreamPartClose(r *request.Request) {
if es.done == nil {
return
}
go es.waitStreamPartClose()
}
func (es *GetEventStreamEventStream) waitStreamPartClose() {
var outputErrCh <-chan struct{}
if v, ok := es.Reader.(interface{ ErrorSet() <-chan struct{} }); ok {
outputErrCh = v.ErrorSet()
}
var outputClosedCh <-chan struct{}
if v, ok := es.Reader.(interface{ Closed() <-chan struct{} }); ok {
outputClosedCh = v.Closed()
}
select {
case <-es.done:
case <-outputErrCh:
es.err.SetError(es.Reader.Err())
es.Close()
case <-outputClosedCh:
if err := es.Reader.Err(); err != nil {
es.err.SetError(es.Reader.Err())
}
es.Close()
}
}
// Events returns a channel to read events from.
//
// These events are:
//
// - EmptyEvent
// - ExplicitPayloadEvent
// - HeaderOnlyEvent
// - ImplicitPayloadEvent
// - PayloadOnlyEvent
// - PayloadOnlyBlobEvent
// - PayloadOnlyStringEvent
// - EventStreamUnknownEvent
func (es *GetEventStreamEventStream) Events() <-chan EventStreamEvent {
return es.Reader.Events()
}
func (es *GetEventStreamEventStream) runOutputStream(r *request.Request) {
var opts []func(*eventstream.Decoder)
if r.Config.Logger != nil && r.Config.LogLevel.Matches(aws.LogDebugWithEventStreamBody) {
opts = append(opts, eventstream.DecodeWithLogger(r.Config.Logger))
}
unmarshalerForEvent := unmarshalerForEventStreamEvent{
metadata: protocol.ResponseMetadata{
StatusCode: r.HTTPResponse.StatusCode,
RequestID: r.RequestID,
},
}.UnmarshalerForEventName
decoder := eventstream.NewDecoder(r.HTTPResponse.Body, opts...)
eventReader := eventstreamapi.NewEventReader(decoder,
protocol.HandlerPayloadUnmarshal{
Unmarshalers: r.Handlers.UnmarshalStream,
},
unmarshalerForEvent,
)
es.outputReader = r.HTTPResponse.Body
es.Reader = newReadEventStream(eventReader)
}
// Close closes the stream. This will also cause the stream to be closed.
// Close must be called when done using the stream API. Not calling Close
// may result in resource leaks.
//
// You can use the closing of the Reader's Events channel to terminate your
// application's read from the API's stream.
func (es *GetEventStreamEventStream) Close() (err error) {
es.closeOnce.Do(es.safeClose)
return es.Err()
}
func (es *GetEventStreamEventStream) safeClose() {
if es.done != nil {
close(es.done)
}
es.Reader.Close()
if es.outputReader != nil {
es.outputReader.Close()
}
}
// Err returns any error that occurred while reading or writing EventStream
// Events from the service API's response. Returns nil if there were no errors.
func (es *GetEventStreamEventStream) Err() error {
if err := es.err.Err(); err != nil {
return err
}
if err := es.Reader.Err(); err != nil {
return err
}
return nil
}
const opOtherOperation = "OtherOperation"
// OtherOperationRequest generates a "aws/request.Request" representing the
// client's request for the OtherOperation operation. The "output" return
// value will be populated with the request's response once the request completes
// successfully.
//
// Use "Send" method on the returned Request to send the API call to the service.
// the "output" return value is not valid until after Send returns without error.
//
// See OtherOperation for more information on using the OtherOperation
// API call, and error handling.
//
// This method is useful when you want to inject custom logic or configuration
// into the SDK's request lifecycle. Such as custom headers, or retry logic.
//
// // Example sending a request using the OtherOperationRequest method.
// req, resp := client.OtherOperationRequest(params)
//
// err := req.Send()
// if err == nil { // resp is now filled
// fmt.Println(resp)
// }
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/RESTJSONService-0000-00-00/OtherOperation
func (c *RESTJSONService) OtherOperationRequest(input *OtherOperationInput) (req *request.Request, output *OtherOperationOutput) {
op := &request.Operation{
Name: opOtherOperation,
HTTPMethod: "POST",
HTTPPath: "/",
}
if input == nil {
input = &OtherOperationInput{}
}
output = &OtherOperationOutput{}
req = c.newRequest(op, input, output)
req.Handlers.Unmarshal.Swap(restjson.UnmarshalHandler.Name, protocol.UnmarshalDiscardBodyHandler)
return
}
// OtherOperation API operation for REST JSON Service.
//
// Returns awserr.Error for service API and SDK errors. Use runtime type assertions
// with awserr.Error's Code and Message methods to get detailed information about
// the error.
//
// See the AWS API reference guide for REST JSON Service's
// API operation OtherOperation for usage and error information.
//
// Returned Error Types:
// - ExceptionEvent2
//
// See also, https://docs.aws.amazon.com/goto/WebAPI/RESTJSONService-0000-00-00/OtherOperation
func (c *RESTJSONService) OtherOperation(input *OtherOperationInput) (*OtherOperationOutput, error) {
req, out := c.OtherOperationRequest(input)
return out, req.Send()
}
// OtherOperationWithContext is the same as OtherOperation with the addition of
// the ability to pass a context and additional request options.
//
// See OtherOperation for details on how to use this API operation.
//
// The context must be non-nil and will be used for request cancellation. If
// the context is nil a panic will occur. In the future the SDK may create
// sub-contexts for http.Requests. See https://golang.org/pkg/context/
// for more information on using Contexts.
func (c *RESTJSONService) OtherOperationWithContext(ctx aws.Context, input *OtherOperationInput, opts ...request.Option) (*OtherOperationOutput, error) {
req, out := c.OtherOperationRequest(input)
req.SetContext(ctx)
req.ApplyOptions(opts...)
return out, req.Send()
}
type EmptyEvent struct {
_ struct{} `type:"structure"`
}
// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s EmptyEvent) String() string {
return awsutil.Prettify(s)
}
// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s EmptyEvent) GoString() string {
return s.String()
}
// The EmptyEvent is and event in the EventStream group of events.
func (s *EmptyEvent) eventEventStream() {}
// UnmarshalEvent unmarshals the EventStream Message into the EmptyEvent value.
// This method is only used internally within the SDK's EventStream handling.
func (s *EmptyEvent) UnmarshalEvent(
payloadUnmarshaler protocol.PayloadUnmarshaler,
msg eventstream.Message,
) error {
return nil
}
// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (s *EmptyEvent) MarshalEvent(pm protocol.PayloadMarshaler) (msg eventstream.Message, err error) {
msg.Headers.Set(eventstreamapi.MessageTypeHeader, eventstream.StringValue(eventstreamapi.EventMessageType))
return msg, err
}
// EmptyEventStreamEvent groups together all EventStream
// events writes for EmptyEventStream.
//
// These events are:
type EmptyEventStreamEvent interface {
eventEmptyEventStream()
eventstreamapi.Marshaler
eventstreamapi.Unmarshaler
}
// EmptyEventStreamReader provides the interface for reading to the stream. The
// default implementation for this interface will be EmptyEventStream.
//
// The reader's Close method must allow multiple concurrent calls.
//
// These events are:
//
// - EmptyEventStreamUnknownEvent
type EmptyEventStreamReader interface {
// Returns a channel of events as they are read from the event stream.
Events() <-chan EmptyEventStreamEvent
// Close will stop the reader reading events from the stream.
Close() error
// Returns any error that has occurred while reading from the event stream.
Err() error
}
type readEmptyEventStream struct {
eventReader *eventstreamapi.EventReader
stream chan EmptyEventStreamEvent
err *eventstreamapi.OnceError
done chan struct{}
closeOnce sync.Once
}
func newReadEmptyEventStream(eventReader *eventstreamapi.EventReader) *readEmptyEventStream {
r := &readEmptyEventStream{
eventReader: eventReader,
stream: make(chan EmptyEventStreamEvent),
done: make(chan struct{}),
err: eventstreamapi.NewOnceError(),
}
go r.readEventStream()
return r
}
// Close will close the underlying event stream reader.
func (r *readEmptyEventStream) Close() error {
r.closeOnce.Do(r.safeClose)
return r.Err()
}
func (r *readEmptyEventStream) ErrorSet() <-chan struct{} {
return r.err.ErrorSet()
}
func (r *readEmptyEventStream) Closed() <-chan struct{} {
return r.done
}
func (r *readEmptyEventStream) safeClose() {
close(r.done)
}
func (r *readEmptyEventStream) Err() error {
return r.err.Err()
}
func (r *readEmptyEventStream) Events() <-chan EmptyEventStreamEvent {
return r.stream
}
func (r *readEmptyEventStream) readEventStream() {
defer r.Close()
defer close(r.stream)
for {
event, err := r.eventReader.ReadEvent()
if err != nil {
if err == io.EOF {
return
}
select {
case <-r.done:
// If closed already ignore the error
return
default:
}
if _, ok := err.(*eventstreamapi.UnknownMessageTypeError); ok {
continue
}
r.err.SetError(err)
return
}
select {
case r.stream <- event.(EmptyEventStreamEvent):
case <-r.done:
return
}
}
}
type unmarshalerForEmptyEventStreamEvent struct {
metadata protocol.ResponseMetadata
}
func (u unmarshalerForEmptyEventStreamEvent) UnmarshalerForEventName(eventType string) (eventstreamapi.Unmarshaler, error) {
switch eventType {
default:
return &EmptyEventStreamUnknownEvent{Type: eventType}, nil
}
}
// EmptyEventStreamUnknownEvent provides a failsafe event for the
// EmptyEventStream group of events when an unknown event is received.
type EmptyEventStreamUnknownEvent struct {
Type string
Message eventstream.Message
}
// The EmptyEventStreamUnknownEvent is and event in the EmptyEventStream
// group of events.
func (s *EmptyEventStreamUnknownEvent) eventEmptyEventStream() {}
// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (e *EmptyEventStreamUnknownEvent) MarshalEvent(pm protocol.PayloadMarshaler) (
msg eventstream.Message, err error,
) {
return e.Message.Clone(), nil
}
// UnmarshalEvent unmarshals the EventStream Message into the EmptyEventStream value.
// This method is only used internally within the SDK's EventStream handling.
func (e *EmptyEventStreamUnknownEvent) UnmarshalEvent(
payloadUnmarshaler protocol.PayloadUnmarshaler,
msg eventstream.Message,
) error {
e.Message = msg.Clone()
return nil
}
type EmptyStreamInput struct {
_ struct{} `type:"structure" nopayload:"true"`
}
// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s EmptyStreamInput) String() string {
return awsutil.Prettify(s)
}
// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s EmptyStreamInput) GoString() string {
return s.String()
}
type EmptyStreamOutput struct {
_ struct{} `type:"structure"`
eventStream *EmptyStreamEventStream
}
// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s EmptyStreamOutput) String() string {
return awsutil.Prettify(s)
}
// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s EmptyStreamOutput) GoString() string {
return s.String()
}
// GetStream returns the type to interact with the event stream.
func (s *EmptyStreamOutput) GetStream() *EmptyStreamEventStream {
return s.eventStream
}
// EventStreamEvent groups together all EventStream
// events writes for EventStream.
//
// These events are:
//
// - EmptyEvent
// - ExplicitPayloadEvent
// - HeaderOnlyEvent
// - ImplicitPayloadEvent
// - PayloadOnlyEvent
// - PayloadOnlyBlobEvent
// - PayloadOnlyStringEvent
type EventStreamEvent interface {
eventEventStream()
eventstreamapi.Marshaler
eventstreamapi.Unmarshaler
}
// EventStreamReader provides the interface for reading to the stream. The
// default implementation for this interface will be EventStream.
//
// The reader's Close method must allow multiple concurrent calls.
//
// These events are:
//
// - EmptyEvent
// - ExplicitPayloadEvent
// - HeaderOnlyEvent
// - ImplicitPayloadEvent
// - PayloadOnlyEvent
// - PayloadOnlyBlobEvent
// - PayloadOnlyStringEvent
// - EventStreamUnknownEvent
type EventStreamReader interface {
// Returns a channel of events as they are read from the event stream.
Events() <-chan EventStreamEvent
// Close will stop the reader reading events from the stream.
Close() error
// Returns any error that has occurred while reading from the event stream.
Err() error
}
type readEventStream struct {
eventReader *eventstreamapi.EventReader
stream chan EventStreamEvent
err *eventstreamapi.OnceError
done chan struct{}
closeOnce sync.Once
}
func newReadEventStream(eventReader *eventstreamapi.EventReader) *readEventStream {
r := &readEventStream{
eventReader: eventReader,
stream: make(chan EventStreamEvent),
done: make(chan struct{}),
err: eventstreamapi.NewOnceError(),
}
go r.readEventStream()
return r
}
// Close will close the underlying event stream reader.
func (r *readEventStream) Close() error {
r.closeOnce.Do(r.safeClose)
return r.Err()
}
func (r *readEventStream) ErrorSet() <-chan struct{} {
return r.err.ErrorSet()
}
func (r *readEventStream) Closed() <-chan struct{} {
return r.done
}
func (r *readEventStream) safeClose() {
close(r.done)
}
func (r *readEventStream) Err() error {
return r.err.Err()
}
func (r *readEventStream) Events() <-chan EventStreamEvent {
return r.stream
}
func (r *readEventStream) readEventStream() {
defer r.Close()
defer close(r.stream)
for {
event, err := r.eventReader.ReadEvent()
if err != nil {
if err == io.EOF {
return
}
select {
case <-r.done:
// If closed already ignore the error
return
default:
}
if _, ok := err.(*eventstreamapi.UnknownMessageTypeError); ok {
continue
}
r.err.SetError(err)
return
}
select {
case r.stream <- event.(EventStreamEvent):
case <-r.done:
return
}
}
}
type unmarshalerForEventStreamEvent struct {
metadata protocol.ResponseMetadata
}
func (u unmarshalerForEventStreamEvent) UnmarshalerForEventName(eventType string) (eventstreamapi.Unmarshaler, error) {
switch eventType {
case "Empty":
return &EmptyEvent{}, nil
case "ExplicitPayload":
return &ExplicitPayloadEvent{}, nil
case "Headers":
return &HeaderOnlyEvent{}, nil
case "implicitPayload":
return &ImplicitPayloadEvent{}, nil
case "payloadOnly":
return &PayloadOnlyEvent{}, nil
case "PayloadOnlyBlob":
return &PayloadOnlyBlobEvent{}, nil
case "payloadOnlyString":
return &PayloadOnlyStringEvent{}, nil
case "exception":
return newErrorExceptionEvent(u.metadata).(eventstreamapi.Unmarshaler), nil
case "Exception2":
return newErrorExceptionEvent2(u.metadata).(eventstreamapi.Unmarshaler), nil
default:
return &EventStreamUnknownEvent{Type: eventType}, nil
}
}
// EventStreamUnknownEvent provides a failsafe event for the
// EventStream group of events when an unknown event is received.
type EventStreamUnknownEvent struct {
Type string
Message eventstream.Message
}
// The EventStreamUnknownEvent is and event in the EventStream
// group of events.
func (s *EventStreamUnknownEvent) eventEventStream() {}
// MarshalEvent marshals the type into an stream event value. This method
// should only used internally within the SDK's EventStream handling.
func (e *EventStreamUnknownEvent) MarshalEvent(pm protocol.PayloadMarshaler) (
msg eventstream.Message, err error,
) {
return e.Message.Clone(), nil
}
// UnmarshalEvent unmarshals the EventStream Message into the EventStream value.
// This method is only used internally within the SDK's EventStream handling.
func (e *EventStreamUnknownEvent) UnmarshalEvent(
payloadUnmarshaler protocol.PayloadUnmarshaler,
msg eventstream.Message,
) error {
e.Message = msg.Clone()
return nil
}
type ExceptionEvent struct {
_ struct{} `type:"structure"`
RespMetadata protocol.ResponseMetadata `json:"-" xml:"-"`
IntVal *int64 `type:"integer"`
Message_ *string `locationName:"message" type:"string"`
}
// String returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s ExceptionEvent) String() string {
return awsutil.Prettify(s)
}
// GoString returns the string representation.
//
// API parameter values that are decorated as "sensitive" in the API will not
// be included in the string output. The member name will be present, but the
// value will be replaced with "sensitive".
func (s ExceptionEvent) GoString() string {
return s.String()