forked from TrueCloudLab/frostfs-node
9073e198b9
Implement `NetworkInfo` calls on full stack of Netmap services. Current epoch is read from node local state, magic number is read via `MagicNumber` call of morph client. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
79 lines
1.7 KiB
Go
79 lines
1.7 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) netmap.Service {
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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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_ *netmap.LocalNodeInfoRequest) (*netmap.LocalNodeInfoResponse, error) {
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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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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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