114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
package client
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import (
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"context"
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"fmt"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
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"github.com/nspcc-dev/neofs-api-go/rpc/client"
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v2netmap "github.com/nspcc-dev/neofs-api-go/v2/netmap"
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rpcapi "github.com/nspcc-dev/neofs-api-go/v2/rpc"
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v2signature "github.com/nspcc-dev/neofs-api-go/v2/signature"
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)
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// Netmap contains methods related to netmap.
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type Netmap interface {
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// EndpointInfo returns attributes, address and public key of the node, specified
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// in client constructor via address or open connection. This can be used as a
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// health check to see if node is alive and responses to requests.
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EndpointInfo(context.Context, ...CallOption) (*EndpointInfo, error)
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// NetworkInfo returns information about the NeoFS network of which the remote server is a part.
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NetworkInfo(context.Context, ...CallOption) (*netmap.NetworkInfo, error)
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}
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// EACLWithSignature represents eACL table/signature pair.
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type EndpointInfo struct {
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version *pkg.Version
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ni *netmap.NodeInfo
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}
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// LatestVersion returns latest NeoFS API version in use.
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func (e *EndpointInfo) LatestVersion() *pkg.Version {
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return e.version
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}
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// NodeInfo returns returns information about the NeoFS node.
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func (e *EndpointInfo) NodeInfo() *netmap.NodeInfo {
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return e.ni
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}
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// EndpointInfo returns attributes, address and public key of the node, specified
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// in client constructor via address or open connection. This can be used as a
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// health check to see if node is alive and responses to requests.
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func (c *clientImpl) EndpointInfo(ctx context.Context, opts ...CallOption) (*EndpointInfo, error) {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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reqBody := new(v2netmap.LocalNodeInfoRequestBody)
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req := new(v2netmap.LocalNodeInfoRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err := v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return nil, err
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}
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resp, err := rpcapi.LocalNodeInfo(c.Raw(), req)
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if err != nil {
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return nil, fmt.Errorf("transport error: %w", err)
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, fmt.Errorf("can't verify response message: %w", err)
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}
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body := resp.GetBody()
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return &EndpointInfo{
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version: pkg.NewVersionFromV2(body.GetVersion()),
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ni: netmap.NewNodeInfoFromV2(body.GetNodeInfo()),
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}, nil
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}
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// NetworkInfo returns information about the NeoFS network of which the remote server is a part.
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func (c *clientImpl) NetworkInfo(ctx context.Context, opts ...CallOption) (*netmap.NetworkInfo, error) {
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// apply all available options
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callOptions := c.defaultCallOptions()
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for i := range opts {
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opts[i](callOptions)
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}
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reqBody := new(v2netmap.NetworkInfoRequestBody)
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req := new(v2netmap.NetworkInfoRequest)
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req.SetBody(reqBody)
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req.SetMetaHeader(v2MetaHeaderFromOpts(callOptions))
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err := v2signature.SignServiceMessage(callOptions.key, req)
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if err != nil {
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return nil, err
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}
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resp, err := rpcapi.NetworkInfo(c.Raw(), req, client.WithContext(ctx))
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if err != nil {
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return nil, fmt.Errorf("v2 NetworkInfo RPC failure: %w", err)
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}
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err = v2signature.VerifyServiceMessage(resp)
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if err != nil {
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return nil, fmt.Errorf("response message verification failed: %w", err)
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}
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return netmap.NewNetworkInfoFromV2(resp.GetBody().GetNetworkInfo()), nil
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}
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