forked from extern/smegmesh
661fb0d54c
Keepalive is based on per mesh and not per node. Using total ordering mechanism similar to paxos to elect a leader if leader doesn't update it's timestamp within 3 * keepAlive then give the leader a gravestone and elect the next leader. Leader is bassed on lexicographically ordered public key.
79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package crdt
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import (
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"fmt"
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"hash/fnv"
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"github.com/tim-beatham/wgmesh/pkg/conf"
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"github.com/tim-beatham/wgmesh/pkg/lib"
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"github.com/tim-beatham/wgmesh/pkg/mesh"
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)
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type TwoPhaseMapFactory struct{}
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func (f *TwoPhaseMapFactory) CreateMesh(params *mesh.MeshProviderFactoryParams) (mesh.MeshProvider, error) {
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return &TwoPhaseStoreMeshManager{
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MeshId: params.MeshId,
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IfName: params.DevName,
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Client: params.Client,
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conf: params.Conf,
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store: NewTwoPhaseMap[string, MeshNode](params.NodeID, func(s string) uint64 {
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h := fnv.New32a()
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h.Write([]byte(s))
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return uint64(h.Sum32())
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}, uint64(3*params.Conf.KeepAliveTime)),
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}, nil
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}
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type MeshNodeFactory struct {
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Config conf.WgMeshConfiguration
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}
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func (f *MeshNodeFactory) Build(params *mesh.MeshNodeFactoryParams) mesh.MeshNode {
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hostName := f.getAddress(params)
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grpcEndpoint := fmt.Sprintf("%s:%s", hostName, f.Config.GrpcPort)
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if f.Config.Role == conf.CLIENT_ROLE {
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grpcEndpoint = "-"
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}
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return &MeshNode{
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HostEndpoint: grpcEndpoint,
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PublicKey: params.PublicKey.String(),
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WgEndpoint: fmt.Sprintf("%s:%d", hostName, params.WgPort),
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WgHost: fmt.Sprintf("%s/128", params.NodeIP.String()),
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Routes: make(map[string]Route),
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Description: "",
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Alias: "",
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Type: string(f.Config.Role),
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}
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}
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// getAddress returns the routable address of the machine.
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func (f *MeshNodeFactory) getAddress(params *mesh.MeshNodeFactoryParams) string {
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var hostName string = ""
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if params.Endpoint != "" {
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hostName = params.Endpoint
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} else if len(f.Config.Endpoint) != 0 {
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hostName = f.Config.Endpoint
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} else {
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ipFunc := lib.GetPublicIP
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if f.Config.IPDiscovery == conf.DNS_IP_DISCOVERY {
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ipFunc = lib.GetOutboundIP
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}
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ip, err := ipFunc()
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if err != nil {
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return ""
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}
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hostName = ip.String()
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}
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return hostName
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}
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