1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package managedblockchain
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/managedblockchain/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Returns information about the nodes within a network. Applies to Hyperledger
16// Fabric and Ethereum.
17func (c *Client) ListNodes(ctx context.Context, params *ListNodesInput, optFns ...func(*Options)) (*ListNodesOutput, error) {
18	if params == nil {
19		params = &ListNodesInput{}
20	}
21
22	result, metadata, err := c.invokeOperation(ctx, "ListNodes", params, optFns, c.addOperationListNodesMiddlewares)
23	if err != nil {
24		return nil, err
25	}
26
27	out := result.(*ListNodesOutput)
28	out.ResultMetadata = metadata
29	return out, nil
30}
31
32type ListNodesInput struct {
33
34	// The unique identifier of the network for which to list nodes.
35	//
36	// This member is required.
37	NetworkId *string
38
39	// The maximum number of nodes to list.
40	MaxResults *int32
41
42	// The unique identifier of the member who owns the nodes to list. Applies only to
43	// Hyperledger Fabric and is required for Hyperledger Fabric.
44	MemberId *string
45
46	// The pagination token that indicates the next set of results to retrieve.
47	NextToken *string
48
49	// An optional status specifier. If provided, only nodes currently in this status
50	// are listed.
51	Status types.NodeStatus
52
53	noSmithyDocumentSerde
54}
55
56type ListNodesOutput struct {
57
58	// The pagination token that indicates the next set of results to retrieve.
59	NextToken *string
60
61	// An array of NodeSummary objects that contain configuration properties for each
62	// node.
63	Nodes []types.NodeSummary
64
65	// Metadata pertaining to the operation's result.
66	ResultMetadata middleware.Metadata
67
68	noSmithyDocumentSerde
69}
70
71func (c *Client) addOperationListNodesMiddlewares(stack *middleware.Stack, options Options) (err error) {
72	err = stack.Serialize.Add(&awsRestjson1_serializeOpListNodes{}, middleware.After)
73	if err != nil {
74		return err
75	}
76	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListNodes{}, middleware.After)
77	if err != nil {
78		return err
79	}
80	if err = addSetLoggerMiddleware(stack, options); err != nil {
81		return err
82	}
83	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
84		return err
85	}
86	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
87		return err
88	}
89	if err = addResolveEndpointMiddleware(stack, options); err != nil {
90		return err
91	}
92	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
93		return err
94	}
95	if err = addRetryMiddlewares(stack, options); err != nil {
96		return err
97	}
98	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
99		return err
100	}
101	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
102		return err
103	}
104	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
105		return err
106	}
107	if err = addClientUserAgent(stack); err != nil {
108		return err
109	}
110	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
111		return err
112	}
113	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
114		return err
115	}
116	if err = addOpListNodesValidationMiddleware(stack); err != nil {
117		return err
118	}
119	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListNodes(options.Region), middleware.Before); err != nil {
120		return err
121	}
122	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
123		return err
124	}
125	if err = addResponseErrorMiddleware(stack); err != nil {
126		return err
127	}
128	if err = addRequestResponseLogging(stack, options); err != nil {
129		return err
130	}
131	return nil
132}
133
134// ListNodesAPIClient is a client that implements the ListNodes operation.
135type ListNodesAPIClient interface {
136	ListNodes(context.Context, *ListNodesInput, ...func(*Options)) (*ListNodesOutput, error)
137}
138
139var _ ListNodesAPIClient = (*Client)(nil)
140
141// ListNodesPaginatorOptions is the paginator options for ListNodes
142type ListNodesPaginatorOptions struct {
143	// The maximum number of nodes to list.
144	Limit int32
145
146	// Set to true if pagination should stop if the service returns a pagination token
147	// that matches the most recent token provided to the service.
148	StopOnDuplicateToken bool
149}
150
151// ListNodesPaginator is a paginator for ListNodes
152type ListNodesPaginator struct {
153	options   ListNodesPaginatorOptions
154	client    ListNodesAPIClient
155	params    *ListNodesInput
156	nextToken *string
157	firstPage bool
158}
159
160// NewListNodesPaginator returns a new ListNodesPaginator
161func NewListNodesPaginator(client ListNodesAPIClient, params *ListNodesInput, optFns ...func(*ListNodesPaginatorOptions)) *ListNodesPaginator {
162	if params == nil {
163		params = &ListNodesInput{}
164	}
165
166	options := ListNodesPaginatorOptions{}
167	if params.MaxResults != nil {
168		options.Limit = *params.MaxResults
169	}
170
171	for _, fn := range optFns {
172		fn(&options)
173	}
174
175	return &ListNodesPaginator{
176		options:   options,
177		client:    client,
178		params:    params,
179		firstPage: true,
180	}
181}
182
183// HasMorePages returns a boolean indicating whether more pages are available
184func (p *ListNodesPaginator) HasMorePages() bool {
185	return p.firstPage || p.nextToken != nil
186}
187
188// NextPage retrieves the next ListNodes page.
189func (p *ListNodesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListNodesOutput, error) {
190	if !p.HasMorePages() {
191		return nil, fmt.Errorf("no more pages available")
192	}
193
194	params := *p.params
195	params.NextToken = p.nextToken
196
197	var limit *int32
198	if p.options.Limit > 0 {
199		limit = &p.options.Limit
200	}
201	params.MaxResults = limit
202
203	result, err := p.client.ListNodes(ctx, &params, optFns...)
204	if err != nil {
205		return nil, err
206	}
207	p.firstPage = false
208
209	prevToken := p.nextToken
210	p.nextToken = result.NextToken
211
212	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
213		p.nextToken = nil
214	}
215
216	return result, nil
217}
218
219func newServiceMetadataMiddleware_opListNodes(region string) *awsmiddleware.RegisterServiceMetadata {
220	return &awsmiddleware.RegisterServiceMetadata{
221		Region:        region,
222		ServiceID:     ServiceID,
223		SigningName:   "managedblockchain",
224		OperationName: "ListNodes",
225	}
226}
227