mirror of
https://github.com/tim-beatham/smegmesh.git
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02dfd73e08
- Separated synchronisation calls into independent processes - Commented code for submission
122 lines
3.1 KiB
Go
122 lines
3.1 KiB
Go
package ctrlserver
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import (
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"net"
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"time"
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"github.com/tim-beatham/smegmesh/pkg/conf"
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"github.com/tim-beatham/smegmesh/pkg/conn"
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"github.com/tim-beatham/smegmesh/pkg/lib"
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"github.com/tim-beatham/smegmesh/pkg/mesh"
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"github.com/tim-beatham/smegmesh/pkg/query"
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"golang.zx2c4.com/wireguard/wgctrl"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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)
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// MeshRoute: represents a route in the mesh that is
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// available to client applications
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type MeshRoute struct {
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Destination string
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Path []string
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}
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// WireGuardStats: Represents the WireGuard configuration attached to the node
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type WireGuardStats struct {
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AllowedIPs []string
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TransmitBytes int64
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ReceivedBytes int64
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PersistentKeepAliveInterval time.Duration
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}
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// MeshNode: represents a node in the WireGuard mesh that can be
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// sent to ip chandlers
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type MeshNode struct {
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HostEndpoint string
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WgEndpoint string
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PublicKey string
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WgHost string
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Timestamp int64
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Routes []MeshRoute
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Description string
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Alias string
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Services map[string]string
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Stats WireGuardStats
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}
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// Mesh: Represents a WireGuard Mesh network that can be sent
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// along ipc to client frameworks
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type Mesh struct {
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Nodes map[string]MeshNode
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}
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// CtrlServer: Encapsulates th ctrlserver
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type CtrlServer interface {
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GetConfiguration() *conf.DaemonConfiguration
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GetClient() *wgctrl.Client
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GetQuerier() query.Querier
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GetMeshManager() mesh.MeshManager
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Close() error
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GetConnectionManager() conn.ConnectionManager
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}
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// MeshCtrlServer: Represents a ctrlserver to be used in WireGuard
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type MeshCtrlServer struct {
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Client *wgctrl.Client
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MeshManager mesh.MeshManager
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ConnectionManager conn.ConnectionManager
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ConnectionServer *conn.ConnectionServer
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Conf *conf.DaemonConfiguration
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Querier query.Querier
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timers []*lib.Timer
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}
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// NewCtrlNode create an instance of a ctrl node to send over an
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// IPC call
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func NewCtrlNode(provider mesh.MeshProvider, node mesh.MeshNode) *MeshNode {
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pubKey, _ := node.GetPublicKey()
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ctrlNode := MeshNode{
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HostEndpoint: node.GetHostEndpoint(),
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WgEndpoint: node.GetWgEndpoint(),
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PublicKey: pubKey.String(),
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WgHost: node.GetWgHost().String(),
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Timestamp: node.GetTimeStamp(),
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Routes: lib.Map(node.GetRoutes(), func(r mesh.Route) MeshRoute {
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return MeshRoute{
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Destination: r.GetDestination().String(),
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Path: r.GetPath(),
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}
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}),
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Description: node.GetDescription(),
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Alias: node.GetAlias(),
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Services: node.GetServices(),
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}
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device, err := provider.GetDevice()
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if err != nil {
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return &ctrlNode
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}
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peers := lib.Filter(device.Peers, func(p wgtypes.Peer) bool {
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return p.PublicKey.String() == pubKey.String()
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})
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if len(peers) > 0 {
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peer := peers[0]
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stats := WireGuardStats{
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AllowedIPs: lib.Map(peer.AllowedIPs, func(i net.IPNet) string {
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return i.String()
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}),
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TransmitBytes: peer.TransmitBytes,
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ReceivedBytes: peer.ReceiveBytes,
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PersistentKeepAliveInterval: peer.PersistentKeepaliveInterval,
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}
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ctrlNode.Stats = stats
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}
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return &ctrlNode
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}
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