freifunkmanager/runtime/node.go

137 lines
3.6 KiB
Go

package runtime
import (
"fmt"
"net"
"strings"
yanicData "github.com/FreifunkBremen/yanic/data"
"github.com/FreifunkBremen/yanic/lib/jsontime"
yanicRuntime "github.com/FreifunkBremen/yanic/runtime"
)
type Node struct {
Lastseen jsontime.Time `json:"lastseen" mapstructure:"-"`
NodeID string `json:"node_id" gorm:"primary_key" mapstructure:"node_id"`
Blacklist bool `json:"blacklist"`
Address string `json:"ip"`
Hostname string `json:"hostname"`
HostnameRespondd string `json:"hostname_Respondd" gorm:"-"`
Owner string `json:"owner"`
OwnerRespondd string `json:"owner_Respondd" gorm:"-"`
Location yanicData.Location `json:"location" gorm:"embedded;embedded_prefix:location_"`
LocationRespondd yanicData.Location `json:"location_Respondd" gorm:"-"`
Wireless yanicData.Wireless `json:"wireless" gorm:"embedded;embedded_prefix:wireless_"`
WirelessRespondd yanicData.Wireless `json:"wireless_Respondd" gorm:"-"`
StatisticsRespondd struct {
Wireless yanicData.WirelessStatistics `json:"wireless"`
Clients yanicData.Clients `json:"clients"`
} `json:"statistics_respondd" mapstructure:"-"`
}
func NewNode(nodeOrigin *yanicRuntime.Node, ipPrefix string) *Node {
if nodeinfo := nodeOrigin.Nodeinfo; nodeinfo != nil {
node := &Node{
Hostname: nodeinfo.Hostname,
NodeID: nodeinfo.NodeID,
}
if owner := nodeinfo.Owner; owner != nil {
node.Owner = owner.Contact
}
if location := nodeinfo.Location; location != nil {
node.Location = *location
}
if wireless := nodeinfo.Wireless; wireless != nil {
node.Wireless = *wireless
}
node.Update(nodeOrigin, ipPrefix)
return node
}
return nil
}
func (n *Node) GetAddress() net.TCPAddr {
return net.TCPAddr{IP: net.ParseIP(n.Address), Port: 22}
}
func (n *Node) Update(node *yanicRuntime.Node, ipPrefix string) {
if node == nil {
return
}
if nodeinfo := node.Nodeinfo; nodeinfo != nil {
n.HostnameRespondd = nodeinfo.Hostname
for _, ip := range nodeinfo.Network.Addresses {
if !strings.HasPrefix(ip, ipPrefix) {
continue
}
ipAddr := net.ParseIP(ip)
if n.Address == "" || ipAddr.IsGlobalUnicast() || !ipAddr.IsLinkLocalUnicast() {
n.Address = ip
}
}
if owner := nodeinfo.Owner; owner != nil {
n.OwnerRespondd = owner.Contact
}
if location := nodeinfo.Location; location != nil {
n.LocationRespondd = *location
}
if wireless := nodeinfo.Wireless; wireless != nil {
n.WirelessRespondd = *wireless
}
}
if stats := node.Statistics; stats != nil {
n.StatisticsRespondd.Clients = stats.Clients
n.StatisticsRespondd.Wireless = stats.Wireless
}
}
func (n *Node) CheckRespondd() bool {
if n.Hostname != n.HostnameRespondd {
return false
}
if n.Owner != n.OwnerRespondd {
return false
}
if !locationEqual(n.Location, n.LocationRespondd) {
return false
}
if !wirelessEqual(n.Wireless, n.WirelessRespondd) {
return false
}
return true
}
const LOCATION_EQUAL_FORMAT_STRING = "%.6f"
func locationEqual(a, b yanicData.Location) bool {
if fmt.Sprintf(LOCATION_EQUAL_FORMAT_STRING, a.Latitude) != fmt.Sprintf(LOCATION_EQUAL_FORMAT_STRING, b.Latitude) {
return false
}
if fmt.Sprintf(LOCATION_EQUAL_FORMAT_STRING, a.Longitude) != fmt.Sprintf(LOCATION_EQUAL_FORMAT_STRING, b.Longitude) {
return false
}
if a.Altitude != b.Altitude {
return false
}
return true
}
func wirelessEqual(a, b yanicData.Wireless) bool {
if a.Channel24 != b.Channel24 {
return false
}
if a.Channel5 != b.Channel5 {
return false
}
if a.TxPower24 != b.TxPower24 {
return false
}
if a.TxPower5 != b.TxPower5 {
return false
}
return true
}