frostfs-sdk-go/client/api.go

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package client
import (
"context"
"fmt"
v2netmap "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/netmap"
rpcapi "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/rpc"
"git.frostfs.info/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
}