frostfs-node/pkg/network/cache/multi.go

212 lines
4.7 KiB
Go
Raw Normal View History

package cache
import (
"context"
"crypto/tls"
"errors"
"io"
"sync"
rawclient "github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
clientcore "github.com/nspcc-dev/neofs-node/pkg/core/client"
"github.com/nspcc-dev/neofs-node/pkg/network"
"github.com/nspcc-dev/neofs-sdk-go/client"
)
type multiClient struct {
mtx sync.RWMutex
clients map[string]clientcore.Client
addr network.AddressGroup
opts []client.Option
}
func newMultiClient(addr network.AddressGroup, opts []client.Option) *multiClient {
return &multiClient{
clients: make(map[string]clientcore.Client),
addr: addr,
opts: opts,
}
}
// note: must be wrapped into mutex lock.
func (x *multiClient) createForAddress(addr network.Address) clientcore.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(clientcore.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) ObjectPutInit(ctx context.Context, p client.PrmObjectPutInit) (res *client.ObjectWriter, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectPutInit(ctx, p)
return err
})
return
}
func (x *multiClient) ContainerAnnounceUsedSpace(ctx context.Context, prm client.PrmAnnounceSpace) (res *client.ResAnnounceSpace, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ContainerAnnounceUsedSpace(ctx, prm)
return err
})
return
}
func (x *multiClient) ObjectDelete(ctx context.Context, p client.PrmObjectDelete) (res *client.ResObjectDelete, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectDelete(ctx, p)
return err
})
return
}
func (x *multiClient) ObjectGetInit(ctx context.Context, p client.PrmObjectGet) (res *client.ObjectReader, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectGetInit(ctx, p)
return err
})
return
}
func (x *multiClient) ObjectRangeInit(ctx context.Context, p client.PrmObjectRange) (res *client.ObjectRangeReader, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectRangeInit(ctx, p)
return err
})
return
}
func (x *multiClient) ObjectHead(ctx context.Context, p client.PrmObjectHead) (res *client.ResObjectHead, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectHead(ctx, p)
return err
})
return
}
func (x *multiClient) ObjectHash(ctx context.Context, p client.PrmObjectHash) (res *client.ResObjectHash, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectHash(ctx, p)
return err
})
return
}
func (x *multiClient) ObjectSearchInit(ctx context.Context, p client.PrmObjectSearch) (res *client.ObjectListReader, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.ObjectSearchInit(ctx, p)
return err
})
return
}
func (x *multiClient) AnnounceLocalTrust(ctx context.Context, prm client.PrmAnnounceLocalTrust) (res *client.ResAnnounceLocalTrust, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.AnnounceLocalTrust(ctx, prm)
return err
})
return
}
func (x *multiClient) AnnounceIntermediateTrust(ctx context.Context, prm client.PrmAnnounceIntermediateTrust) (res *client.ResAnnounceIntermediateTrust, err error) {
err = x.iterateClients(ctx, func(c clientcore.Client) error {
res, err = c.AnnounceIntermediateTrust(ctx, prm)
return err
})
return
}
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) clientcore.Client {
x.mtx.Lock()
strAddr := addr.String()
c, cached := x.clients[strAddr]
if !cached {
c = x.createForAddress(addr)
}
x.mtx.Unlock()
return c
}