frostfs-api-go/v2/container/grpc/client.go
Leonard Lyubich cb7831b00c v2/container: Implement thin NeoFS gRPC client
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2020-09-18 10:43:52 +03:00

82 lines
2 KiB
Go

package container
import (
"context"
"github.com/pkg/errors"
"google.golang.org/grpc"
)
// Client wraps ContainerServiceClient
// with pre-defined configurations.
type Client struct {
*cfg
client ContainerServiceClient
}
// Option represents Client option.
type Option func(*cfg)
type cfg struct {
callOpts []grpc.CallOption
}
// ErrNilContainerServiceClient is returned by functions that expect
// a non-nil ContainerServiceClient, but received nil.
var ErrNilContainerServiceClient = errors.New("container gRPC client is nil")
func defaultCfg() *cfg {
return new(cfg)
}
// NewClient creates, initializes and returns a new Client instance.
//
// Options are applied one by one in order.
func NewClient(c ContainerServiceClient, opts ...Option) (*Client, error) {
if c == nil {
return nil, ErrNilContainerServiceClient
}
cfg := defaultCfg()
for i := range opts {
opts[i](cfg)
}
return &Client{
cfg: cfg,
client: c,
}, nil
}
func (c *Client) Put(ctx context.Context, req *PutRequest) (*PutResponse, error) {
return c.client.Put(ctx, req, c.callOpts...)
}
func (c *Client) Get(ctx context.Context, req *GetRequest) (*GetResponse, error) {
return c.client.Get(ctx, req, c.callOpts...)
}
func (c *Client) Delete(ctx context.Context, req *DeleteRequest) (*DeleteResponse, error) {
return c.client.Delete(ctx, req, c.callOpts...)
}
func (c *Client) List(ctx context.Context, req *ListRequest) (*ListResponse, error) {
return c.client.List(ctx, req, c.callOpts...)
}
func (c *Client) SetExtendedACL(ctx context.Context, req *SetExtendedACLRequest) (*SetExtendedACLResponse, error) {
return c.client.SetExtendedACL(ctx, req, c.callOpts...)
}
func (c *Client) GetExtendedACL(ctx context.Context, req *GetExtendedACLRequest) (*GetExtendedACLResponse, error) {
return c.client.GetExtendedACL(ctx, req, c.callOpts...)
}
// WithCallOptions returns Option that configures
// Client to attach call options to each rpc call.
func WithCallOptions(opts []grpc.CallOption) Option {
return func(c *cfg) {
c.callOpts = opts
}
}