81afd9c36e
Signed-off-by: Derek McGowan <derek@mcg.dev> Update progress to reference parents Signed-off-by: Derek McGowan <derek@mcg.dev> Update Progress logic Signed-off-by: Derek McGowan <derek@mcg.dev>
78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package proxy
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import (
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"context"
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transferapi "github.com/containerd/containerd/api/services/transfer/v1"
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"github.com/containerd/containerd/pkg/streaming"
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"github.com/containerd/containerd/pkg/transfer"
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"github.com/containerd/typeurl"
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"google.golang.org/protobuf/types/known/anypb"
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)
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type proxyTransferer struct {
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client transferapi.TransferClient
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streamManager streaming.StreamManager
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}
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// NewTransferer returns a new transferr which communicates over a GRPC
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// connection using the containerd transfer API
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func NewTransferer(client transferapi.TransferClient, sm streaming.StreamManager) transfer.Transferer {
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return &proxyTransferer{
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client: client,
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streamManager: sm,
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}
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}
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func (p *proxyTransferer) Transfer(ctx context.Context, src interface{}, dst interface{}, opts ...transfer.Opt) error {
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asrc, err := p.marshalAny(ctx, src)
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if err != nil {
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return err
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}
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adst, err := p.marshalAny(ctx, dst)
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if err != nil {
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return err
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}
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// Resolve opts to
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req := &transferapi.TransferRequest{
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Source: &anypb.Any{
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TypeUrl: asrc.GetTypeUrl(),
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Value: asrc.GetValue(),
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},
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Destination: &anypb.Any{
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TypeUrl: adst.GetTypeUrl(),
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Value: adst.GetValue(),
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},
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// TODO: Options
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}
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_, err = p.client.Transfer(ctx, req)
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return err
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}
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func (p *proxyTransferer) marshalAny(ctx context.Context, i interface{}) (typeurl.Any, error) {
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switch m := i.(type) {
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case streamMarshaler:
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return m.MarshalAny(ctx, p.streamManager)
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}
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return typeurl.MarshalAny(i)
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}
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type streamMarshaler interface {
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MarshalAny(context.Context, streaming.StreamManager) (typeurl.Any, error)
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}
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