/
api_op_DescribeStreamProcessor.go
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/
api_op_DescribeStreamProcessor.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package rekognition
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
"github.com/aws/aws-sdk-go-v2/service/rekognition/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
"time"
)
// Provides information about a stream processor created by CreateStreamProcessor .
// You can get information about the input and output streams, the input parameters
// for the face recognition being performed, and the current status of the stream
// processor.
func (c *Client) DescribeStreamProcessor(ctx context.Context, params *DescribeStreamProcessorInput, optFns ...func(*Options)) (*DescribeStreamProcessorOutput, error) {
if params == nil {
params = &DescribeStreamProcessorInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeStreamProcessor", params, optFns, c.addOperationDescribeStreamProcessorMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeStreamProcessorOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeStreamProcessorInput struct {
// Name of the stream processor for which you want information.
//
// This member is required.
Name *string
noSmithyDocumentSerde
}
type DescribeStreamProcessorOutput struct {
// Date and time the stream processor was created
CreationTimestamp *time.Time
// Shows whether you are sharing data with Rekognition to improve model
// performance. You can choose this option at the account level or on a per-stream
// basis. Note that if you opt out at the account level this setting is ignored on
// individual streams.
DataSharingPreference *types.StreamProcessorDataSharingPreference
// Kinesis video stream that provides the source streaming video.
Input *types.StreamProcessorInput
// The identifier for your AWS Key Management Service key (AWS KMS key). This is
// an optional parameter for label detection stream processors.
KmsKeyId *string
// The time, in Unix format, the stream processor was last updated. For example,
// when the stream processor moves from a running state to a failed state, or when
// the user starts or stops the stream processor.
LastUpdateTimestamp *time.Time
// Name of the stream processor.
Name *string
// The Amazon Simple Notification Service topic to which Amazon Rekognition
// publishes the object detection results and completion status of a video analysis
// operation. Amazon Rekognition publishes a notification the first time an object
// of interest or a person is detected in the video stream. For example, if Amazon
// Rekognition detects a person at second 2, a pet at second 4, and a person again
// at second 5, Amazon Rekognition sends 2 object class detected notifications, one
// for a person at second 2 and one for a pet at second 4. Amazon Rekognition also
// publishes an an end-of-session notification with a summary when the stream
// processing session is complete.
NotificationChannel *types.StreamProcessorNotificationChannel
// Kinesis data stream to which Amazon Rekognition Video puts the analysis results.
Output *types.StreamProcessorOutput
// Specifies locations in the frames where Amazon Rekognition checks for objects
// or people. This is an optional parameter for label detection stream processors.
RegionsOfInterest []types.RegionOfInterest
// ARN of the IAM role that allows access to the stream processor.
RoleArn *string
// Input parameters used in a streaming video analyzed by a stream processor. You
// can use FaceSearch to recognize faces in a streaming video, or you can use
// ConnectedHome to detect labels.
Settings *types.StreamProcessorSettings
// Current status of the stream processor.
Status types.StreamProcessorStatus
// Detailed status message about the stream processor.
StatusMessage *string
// ARN of the stream processor.
StreamProcessorArn *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeStreamProcessorMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeStreamProcessor{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeStreamProcessor{}, middleware.After)
if err != nil {
return 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 = addHTTPSignerV4Middleware(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 = addDescribeStreamProcessorResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addOpDescribeStreamProcessorValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeStreamProcessor(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 = addendpointDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opDescribeStreamProcessor(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "rekognition",
OperationName: "DescribeStreamProcessor",
}
}
type opDescribeStreamProcessorResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opDescribeStreamProcessorResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opDescribeStreamProcessorResolveEndpointMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
if m.EndpointResolver == nil {
return out, metadata, fmt.Errorf("expected endpoint resolver to not be nil")
}
params := EndpointParameters{}
m.BuiltInResolver.ResolveBuiltIns(¶ms)
var resolvedEndpoint smithyendpoints.Endpoint
resolvedEndpoint, err = m.EndpointResolver.ResolveEndpoint(ctx, params)
if err != nil {
return out, metadata, fmt.Errorf("failed to resolve service endpoint, %w", err)
}
req.URL = &resolvedEndpoint.URI
for k := range resolvedEndpoint.Headers {
req.Header.Set(
k,
resolvedEndpoint.Headers.Get(k),
)
}
authSchemes, err := internalauth.GetAuthenticationSchemes(&resolvedEndpoint.Properties)
if err != nil {
var nfe *internalauth.NoAuthenticationSchemesFoundError
if errors.As(err, &nfe) {
// if no auth scheme is found, default to sigv4
signingName := "rekognition"
signingRegion := m.BuiltInResolver.(*builtInResolver).Region
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
}
var ue *internalauth.UnSupportedAuthenticationSchemeSpecifiedError
if errors.As(err, &ue) {
return out, metadata, fmt.Errorf(
"This operation requests signer version(s) %v but the client only supports %v",
ue.UnsupportedSchemes,
internalauth.SupportedSchemes,
)
}
}
for _, authScheme := range authSchemes {
switch authScheme.(type) {
case *internalauth.AuthenticationSchemeV4:
v4Scheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4)
var signingName, signingRegion string
if v4Scheme.SigningName == nil {
signingName = "rekognition"
} else {
signingName = *v4Scheme.SigningName
}
if v4Scheme.SigningRegion == nil {
signingRegion = m.BuiltInResolver.(*builtInResolver).Region
} else {
signingRegion = *v4Scheme.SigningRegion
}
if v4Scheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4Scheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
break
case *internalauth.AuthenticationSchemeV4A:
v4aScheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4A)
if v4aScheme.SigningName == nil {
v4aScheme.SigningName = aws.String("rekognition")
}
if v4aScheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4aScheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, *v4aScheme.SigningName)
ctx = awsmiddleware.SetSigningRegion(ctx, v4aScheme.SigningRegionSet[0])
break
case *internalauth.AuthenticationSchemeNone:
break
}
}
return next.HandleSerialize(ctx, in)
}
func addDescribeStreamProcessorResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opDescribeStreamProcessorResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}