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// Code generated by smithy-go-codegen DO NOT EDIT.
package ivsrealtime
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/ivsrealtime/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Starts a Composition from a stage based on the configuration provided in the
// request. A Composition is an ephemeral resource that exists after this endpoint
// returns successfully. Composition stops and the resource is deleted:
// - When StopComposition is called.
// - After a 1-minute timeout, when all participants are disconnected from the
// stage.
// - After a 1-minute timeout, if there are no participants in the stage when
// StartComposition is called.
// - When broadcasting to the IVS channel fails and all retries are exhausted.
// - When broadcasting is disconnected and all attempts to reconnect are
// exhausted.
func (c *Client) StartComposition(ctx context.Context, params *StartCompositionInput, optFns ...func(*Options)) (*StartCompositionOutput, error) {
if params == nil {
params = &StartCompositionInput{}
}
result, metadata, err := c.invokeOperation(ctx, "StartComposition", params, optFns, c.addOperationStartCompositionMiddlewares)
if err != nil {
return nil, err
}
out := result.(*StartCompositionOutput)
out.ResultMetadata = metadata
return out, nil
}
type StartCompositionInput struct {
// Array of destination configuration.
//
// This member is required.
Destinations []types.DestinationConfiguration
// ARN of the stage to be used for compositing.
//
// This member is required.
StageArn *string
// Idempotency token.
IdempotencyToken *string
// Layout object to configure composition parameters.
Layout *types.LayoutConfiguration
// Tags attached to the resource. Array of maps, each of the form string:string
// (key:value) . See Tagging AWS Resources (https://docs.aws.amazon.com/general/latest/gr/aws_tagging.html)
// for details, including restrictions that apply to tags and "Tag naming limits
// and requirements"; Amazon IVS has no constraints on tags beyond what is
// documented there.
Tags map[string]string
noSmithyDocumentSerde
}
type StartCompositionOutput struct {
// The Composition that was created.
Composition *types.Composition
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationStartCompositionMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpStartComposition{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpStartComposition{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "StartComposition"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addIdempotencyToken_opStartCompositionMiddleware(stack, options); err != nil {
return err
}
if err = addOpStartCompositionValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opStartComposition(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.AddRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
type idempotencyToken_initializeOpStartComposition struct {
tokenProvider IdempotencyTokenProvider
}
func (*idempotencyToken_initializeOpStartComposition) ID() string {
return "OperationIdempotencyTokenAutoFill"
}
func (m *idempotencyToken_initializeOpStartComposition) HandleInitialize(ctx context.Context, in middleware.InitializeInput, next middleware.InitializeHandler) (
out middleware.InitializeOutput, metadata middleware.Metadata, err error,
) {
if m.tokenProvider == nil {
return next.HandleInitialize(ctx, in)
}
input, ok := in.Parameters.(*StartCompositionInput)
if !ok {
return out, metadata, fmt.Errorf("expected middleware input to be of type *StartCompositionInput ")
}
if input.IdempotencyToken == nil {
t, err := m.tokenProvider.GetIdempotencyToken()
if err != nil {
return out, metadata, err
}
input.IdempotencyToken = &t
}
return next.HandleInitialize(ctx, in)
}
func addIdempotencyToken_opStartCompositionMiddleware(stack *middleware.Stack, cfg Options) error {
return stack.Initialize.Add(&idempotencyToken_initializeOpStartComposition{tokenProvider: cfg.IdempotencyTokenProvider}, middleware.Before)
}
func newServiceMetadataMiddleware_opStartComposition(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "StartComposition",
}
}
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