1// Code generated by smithy-go-codegen DO NOT EDIT. 2 3package servicediscovery 4 5import ( 6 "context" 7 "fmt" 8 awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware" 9 "github.com/aws/aws-sdk-go-v2/aws/signer/v4" 10 "github.com/aws/aws-sdk-go-v2/service/servicediscovery/types" 11 "github.com/aws/smithy-go/middleware" 12 smithyhttp "github.com/aws/smithy-go/transport/http" 13) 14 15// Lists summary information for all the services that are associated with one or 16// more specified namespaces. 17func (c *Client) ListServices(ctx context.Context, params *ListServicesInput, optFns ...func(*Options)) (*ListServicesOutput, error) { 18 if params == nil { 19 params = &ListServicesInput{} 20 } 21 22 result, metadata, err := c.invokeOperation(ctx, "ListServices", params, optFns, addOperationListServicesMiddlewares) 23 if err != nil { 24 return nil, err 25 } 26 27 out := result.(*ListServicesOutput) 28 out.ResultMetadata = metadata 29 return out, nil 30} 31 32type ListServicesInput struct { 33 34 // A complex type that contains specifications for the namespaces that you want to 35 // list services for. If you specify more than one filter, an operation must match 36 // all filters to be returned by ListServices. 37 Filters []types.ServiceFilter 38 39 // The maximum number of services that you want AWS Cloud Map to return in the 40 // response to a ListServices request. If you don't specify a value for MaxResults, 41 // AWS Cloud Map returns up to 100 services. 42 MaxResults *int32 43 44 // For the first ListServices request, omit this value. If the response contains 45 // NextToken, submit another ListServices request to get the next group of results. 46 // Specify the value of NextToken from the previous response in the next request. 47 // AWS Cloud Map gets MaxResults services and then filters them based on the 48 // specified criteria. It's possible that no services in the first MaxResults 49 // services matched the specified criteria but that subsequent groups of MaxResults 50 // services do contain services that match the criteria. 51 NextToken *string 52} 53 54type ListServicesOutput struct { 55 56 // If the response contains NextToken, submit another ListServices request to get 57 // the next group of results. Specify the value of NextToken from the previous 58 // response in the next request. AWS Cloud Map gets MaxResults services and then 59 // filters them based on the specified criteria. It's possible that no services in 60 // the first MaxResults services matched the specified criteria but that subsequent 61 // groups of MaxResults services do contain services that match the criteria. 62 NextToken *string 63 64 // An array that contains one ServiceSummary object for each service that matches 65 // the specified filter criteria. 66 Services []types.ServiceSummary 67 68 // Metadata pertaining to the operation's result. 69 ResultMetadata middleware.Metadata 70} 71 72func addOperationListServicesMiddlewares(stack *middleware.Stack, options Options) (err error) { 73 err = stack.Serialize.Add(&awsAwsjson11_serializeOpListServices{}, middleware.After) 74 if err != nil { 75 return err 76 } 77 err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpListServices{}, middleware.After) 78 if err != nil { 79 return err 80 } 81 if err = addSetLoggerMiddleware(stack, options); err != nil { 82 return err 83 } 84 if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil { 85 return err 86 } 87 if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil { 88 return err 89 } 90 if err = addResolveEndpointMiddleware(stack, options); err != nil { 91 return err 92 } 93 if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil { 94 return err 95 } 96 if err = addRetryMiddlewares(stack, options); err != nil { 97 return err 98 } 99 if err = addHTTPSignerV4Middleware(stack, options); err != nil { 100 return err 101 } 102 if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil { 103 return err 104 } 105 if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil { 106 return err 107 } 108 if err = addClientUserAgent(stack); err != nil { 109 return err 110 } 111 if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil { 112 return err 113 } 114 if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil { 115 return err 116 } 117 if err = addOpListServicesValidationMiddleware(stack); err != nil { 118 return err 119 } 120 if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListServices(options.Region), middleware.Before); err != nil { 121 return err 122 } 123 if err = addRequestIDRetrieverMiddleware(stack); err != nil { 124 return err 125 } 126 if err = addResponseErrorMiddleware(stack); err != nil { 127 return err 128 } 129 if err = addRequestResponseLogging(stack, options); err != nil { 130 return err 131 } 132 return nil 133} 134 135// ListServicesAPIClient is a client that implements the ListServices operation. 136type ListServicesAPIClient interface { 137 ListServices(context.Context, *ListServicesInput, ...func(*Options)) (*ListServicesOutput, error) 138} 139 140var _ ListServicesAPIClient = (*Client)(nil) 141 142// ListServicesPaginatorOptions is the paginator options for ListServices 143type ListServicesPaginatorOptions struct { 144 // The maximum number of services that you want AWS Cloud Map to return in the 145 // response to a ListServices request. If you don't specify a value for MaxResults, 146 // AWS Cloud Map returns up to 100 services. 147 Limit int32 148 149 // Set to true if pagination should stop if the service returns a pagination token 150 // that matches the most recent token provided to the service. 151 StopOnDuplicateToken bool 152} 153 154// ListServicesPaginator is a paginator for ListServices 155type ListServicesPaginator struct { 156 options ListServicesPaginatorOptions 157 client ListServicesAPIClient 158 params *ListServicesInput 159 nextToken *string 160 firstPage bool 161} 162 163// NewListServicesPaginator returns a new ListServicesPaginator 164func NewListServicesPaginator(client ListServicesAPIClient, params *ListServicesInput, optFns ...func(*ListServicesPaginatorOptions)) *ListServicesPaginator { 165 if params == nil { 166 params = &ListServicesInput{} 167 } 168 169 options := ListServicesPaginatorOptions{} 170 if params.MaxResults != nil { 171 options.Limit = *params.MaxResults 172 } 173 174 for _, fn := range optFns { 175 fn(&options) 176 } 177 178 return &ListServicesPaginator{ 179 options: options, 180 client: client, 181 params: params, 182 firstPage: true, 183 } 184} 185 186// HasMorePages returns a boolean indicating whether more pages are available 187func (p *ListServicesPaginator) HasMorePages() bool { 188 return p.firstPage || p.nextToken != nil 189} 190 191// NextPage retrieves the next ListServices page. 192func (p *ListServicesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListServicesOutput, error) { 193 if !p.HasMorePages() { 194 return nil, fmt.Errorf("no more pages available") 195 } 196 197 params := *p.params 198 params.NextToken = p.nextToken 199 200 var limit *int32 201 if p.options.Limit > 0 { 202 limit = &p.options.Limit 203 } 204 params.MaxResults = limit 205 206 result, err := p.client.ListServices(ctx, ¶ms, optFns...) 207 if err != nil { 208 return nil, err 209 } 210 p.firstPage = false 211 212 prevToken := p.nextToken 213 p.nextToken = result.NextToken 214 215 if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken { 216 p.nextToken = nil 217 } 218 219 return result, nil 220} 221 222func newServiceMetadataMiddleware_opListServices(region string) *awsmiddleware.RegisterServiceMetadata { 223 return &awsmiddleware.RegisterServiceMetadata{ 224 Region: region, 225 ServiceID: ServiceID, 226 SigningName: "servicediscovery", 227 OperationName: "ListServices", 228 } 229} 230