package client import ( "context" "fmt" v2netmap "github.com/TrueCloudLab/frostfs-api-go/v2/netmap" rpcapi "github.com/TrueCloudLab/frostfs-api-go/v2/rpc" "github.com/TrueCloudLab/frostfs-api-go/v2/rpc/client" ) // interface of FrostFS API server. Exists for test purposes only. type frostFSAPIServer interface { netMapSnapshot(context.Context, v2netmap.SnapshotRequest) (*v2netmap.SnapshotResponse, error) } // wrapper over real client connection which communicates over FrostFS API protocol. // Provides frostFSAPIServer for Client instances used in real applications. type coreServer client.Client // unifies errors of all RPC. func rpcErr(e error) error { return fmt.Errorf("rpc failure: %w", e) } // executes NetmapService.NetmapSnapshot RPC declared in FrostFS API protocol // using underlying client.Client. func (x *coreServer) netMapSnapshot(ctx context.Context, req v2netmap.SnapshotRequest) (*v2netmap.SnapshotResponse, error) { resp, err := rpcapi.NetMapSnapshot((*client.Client)(x), &req, client.WithContext(ctx)) if err != nil { return nil, rpcErr(err) } return resp, nil }