forked from TrueCloudLab/frostfs-node
8192933313
Clients can have version later than the server. The server should not deny these clients. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package netmap
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import (
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"context"
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"github.com/nspcc-dev/neofs-api-go/pkg"
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"github.com/nspcc-dev/neofs-api-go/v2/netmap"
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)
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type executorSvc struct {
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version *pkg.Version
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state NodeState
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netInfo NetworkInfo
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}
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// NodeState encapsulates information
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// about current node state.
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type NodeState interface {
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// Must return current node state
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// in NeoFS API v2 NodeInfo structure.
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LocalNodeInfo() (*netmap.NodeInfo, error)
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}
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// NetworkInfo encapsulates source of the
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// recent information about the NeoFS network.
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type NetworkInfo interface {
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// Must return recent network information.
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// in NeoFS API v2 NetworkInfo structure.
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Dump() (*netmap.NetworkInfo, error)
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}
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func NewExecutionService(s NodeState, v *pkg.Version, netInfo NetworkInfo) Server {
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if s == nil || v == nil || netInfo == nil {
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// this should never happen, otherwise it programmers bug
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panic("can't create netmap execution service")
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}
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return &executorSvc{
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version: v,
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state: s,
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netInfo: netInfo,
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}
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}
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func (s *executorSvc) LocalNodeInfo(
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_ context.Context,
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req *netmap.LocalNodeInfoRequest) (*netmap.LocalNodeInfoResponse, error) {
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ver := pkg.NewVersionFromV2(req.GetMetaHeader().GetVersion())
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ni, err := s.state.LocalNodeInfo()
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if err != nil {
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return nil, err
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}
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if addrNum := ni.NumberOfAddresses(); addrNum > 0 && ver.Minor() <= 7 {
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ni2 := new(netmap.NodeInfo)
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ni2.SetPublicKey(ni.GetPublicKey())
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ni2.SetState(ni.GetState())
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ni2.SetAttributes(ni.GetAttributes())
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ni.IterateAddresses(func(s string) bool {
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ni2.SetAddresses(s)
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return true
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})
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ni = ni2
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}
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body := new(netmap.LocalNodeInfoResponseBody)
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body.SetVersion(s.version.ToV2())
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body.SetNodeInfo(ni)
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resp := new(netmap.LocalNodeInfoResponse)
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resp.SetBody(body)
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return resp, nil
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}
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func (s *executorSvc) NetworkInfo(
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_ context.Context,
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_ *netmap.NetworkInfoRequest) (*netmap.NetworkInfoResponse, error) {
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ni, err := s.netInfo.Dump()
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if err != nil {
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return nil, err
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}
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body := new(netmap.NetworkInfoResponseBody)
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body.SetNetworkInfo(ni)
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resp := new(netmap.NetworkInfoResponse)
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resp.SetBody(body)
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return resp, nil
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}
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