frostfs-node/pkg/network/cache/multi.go
ZhangTao1596 f121a73049 [#737] network/cache: handle request canceled in multiclient
Signed-off-by: ZhangTao1596 <zhangtao@ngd.neo.org>
2021-08-05 14:47:41 +03:00

340 lines
8.5 KiB
Go

package cache
import (
"context"
"crypto/sha256"
"crypto/tls"
"errors"
"io"
"sync"
"github.com/nspcc-dev/neofs-api-go/pkg/accounting"
"github.com/nspcc-dev/neofs-api-go/pkg/acl/eacl"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
"github.com/nspcc-dev/neofs-api-go/pkg/object"
"github.com/nspcc-dev/neofs-api-go/pkg/owner"
"github.com/nspcc-dev/neofs-api-go/pkg/session"
rawclient "github.com/nspcc-dev/neofs-api-go/rpc/client"
"github.com/nspcc-dev/neofs-node/pkg/network"
)
type multiClient struct {
mtx sync.RWMutex
clients map[string]client.Client
addr network.AddressGroup
opts []client.Option
}
func newMultiClient(addr network.AddressGroup, opts []client.Option) *multiClient {
return &multiClient{
clients: make(map[string]client.Client),
addr: addr,
opts: opts,
}
}
// note: must be wrapped into mutex lock.
func (x *multiClient) createForAddress(addr network.Address) client.Client {
opts := append(x.opts, client.WithAddress(addr.HostAddr()))
if addr.TLSEnabled() {
opts = append(opts, client.WithTLSConfig(&tls.Config{}))
}
c, err := client.New(opts...)
if err != nil {
// client never returns an error
panic(err)
}
x.clients[addr.String()] = c
return c
}
func (x *multiClient) iterateClients(ctx context.Context, f func(client.Client) error) error {
var firstErr error
x.addr.IterateAddresses(func(addr network.Address) bool {
select {
case <-ctx.Done():
firstErr = context.Canceled
return true
default:
}
var err error
c := x.client(addr)
err = f(c)
success := err == nil || errors.Is(err, context.Canceled)
if success || firstErr == nil {
firstErr = err
}
return success
})
return firstErr
}
func (x *multiClient) PutObject(ctx context.Context, p *client.PutObjectParams, opts ...client.CallOption) (*object.ID, error) {
var res *object.ID
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.PutObject(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) GetBalance(ctx context.Context, id *owner.ID, opts ...client.CallOption) (*accounting.Decimal, error) {
var res *accounting.Decimal
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.GetBalance(ctx, id, opts...)
return
})
return res, err
}
func (x *multiClient) PutContainer(ctx context.Context, cnr *container.Container, opts ...client.CallOption) (*cid.ID, error) {
var res *cid.ID
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.PutContainer(ctx, cnr, opts...)
return
})
return res, err
}
func (x *multiClient) GetContainer(ctx context.Context, id *cid.ID, opts ...client.CallOption) (*container.Container, error) {
var res *container.Container
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.GetContainer(ctx, id, opts...)
return
})
return res, err
}
func (x *multiClient) ListContainers(ctx context.Context, id *owner.ID, opts ...client.CallOption) ([]*cid.ID, error) {
var res []*cid.ID
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.ListContainers(ctx, id, opts...)
return
})
return res, err
}
func (x *multiClient) DeleteContainer(ctx context.Context, id *cid.ID, opts ...client.CallOption) error {
return x.iterateClients(ctx, func(c client.Client) error {
return c.DeleteContainer(ctx, id, opts...)
})
}
func (x *multiClient) GetEACL(ctx context.Context, id *cid.ID, opts ...client.CallOption) (*client.EACLWithSignature, error) {
var res *client.EACLWithSignature
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.GetEACL(ctx, id, opts...)
return
})
return res, err
}
func (x *multiClient) SetEACL(ctx context.Context, t *eacl.Table, opts ...client.CallOption) error {
return x.iterateClients(ctx, func(c client.Client) error {
return c.SetEACL(ctx, t, opts...)
})
}
func (x *multiClient) AnnounceContainerUsedSpace(ctx context.Context, as []container.UsedSpaceAnnouncement, opts ...client.CallOption) error {
return x.iterateClients(ctx, func(c client.Client) error {
return c.AnnounceContainerUsedSpace(ctx, as, opts...)
})
}
func (x *multiClient) EndpointInfo(ctx context.Context, opts ...client.CallOption) (*client.EndpointInfo, error) {
var res *client.EndpointInfo
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.EndpointInfo(ctx, opts...)
return
})
return res, err
}
func (x *multiClient) NetworkInfo(ctx context.Context, opts ...client.CallOption) (*netmap.NetworkInfo, error) {
var res *netmap.NetworkInfo
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.NetworkInfo(ctx, opts...)
return
})
return res, err
}
func (x *multiClient) DeleteObject(ctx context.Context, p *client.DeleteObjectParams, opts ...client.CallOption) error {
return x.iterateClients(ctx, func(c client.Client) error {
return c.DeleteObject(ctx, p, opts...)
})
}
func (x *multiClient) GetObject(ctx context.Context, p *client.GetObjectParams, opts ...client.CallOption) (*object.Object, error) {
var res *object.Object
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.GetObject(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) GetObjectHeader(ctx context.Context, p *client.ObjectHeaderParams, opts ...client.CallOption) (*object.Object, error) {
var res *object.Object
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.GetObjectHeader(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) ObjectPayloadRangeData(ctx context.Context, p *client.RangeDataParams, opts ...client.CallOption) ([]byte, error) {
var res []byte
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.ObjectPayloadRangeData(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) ObjectPayloadRangeSHA256(ctx context.Context, p *client.RangeChecksumParams, opts ...client.CallOption) ([][sha256.Size]byte, error) {
var res [][sha256.Size]byte
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.ObjectPayloadRangeSHA256(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) ObjectPayloadRangeTZ(ctx context.Context, p *client.RangeChecksumParams, opts ...client.CallOption) ([][client.TZSize]byte, error) {
var res [][client.TZSize]byte
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.ObjectPayloadRangeTZ(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) SearchObject(ctx context.Context, p *client.SearchObjectParams, opts ...client.CallOption) ([]*object.ID, error) {
var res []*object.ID
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.SearchObject(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) CreateSession(ctx context.Context, exp uint64, opts ...client.CallOption) (*session.Token, error) {
var res *session.Token
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.CreateSession(ctx, exp, opts...)
return
})
return res, err
}
func (x *multiClient) AnnounceLocalTrust(ctx context.Context, p client.AnnounceLocalTrustPrm, opts ...client.CallOption) (*client.AnnounceLocalTrustRes, error) {
var res *client.AnnounceLocalTrustRes
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.AnnounceLocalTrust(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) AnnounceIntermediateTrust(ctx context.Context, p client.AnnounceIntermediateTrustPrm, opts ...client.CallOption) (*client.AnnounceIntermediateTrustRes, error) {
var res *client.AnnounceIntermediateTrustRes
err := x.iterateClients(ctx, func(c client.Client) (err error) {
res, err = c.AnnounceIntermediateTrust(ctx, p, opts...)
return
})
return res, err
}
func (x *multiClient) Raw() *rawclient.Client {
panic("multiClient.Raw() must not be called")
}
func (x *multiClient) Conn() io.Closer {
return x
}
func (x *multiClient) Close() error {
x.mtx.RLock()
{
for _, c := range x.clients {
_ = c.Conn().Close()
}
}
x.mtx.RUnlock()
return nil
}
func (x *multiClient) RawForAddress(addr network.Address) *rawclient.Client {
return x.client(addr).Raw()
}
func (x *multiClient) client(addr network.Address) client.Client {
x.mtx.Lock()
strAddr := addr.String()
c, cached := x.clients[strAddr]
if !cached {
c = x.createForAddress(addr)
}
x.mtx.Unlock()
return c
}