/
meshviewer.go
127 lines (106 loc) · 3.32 KB
/
meshviewer.go
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package meshviewerFFRGB
import (
"fmt"
"log"
"strings"
"github.com/FreifunkBremen/yanic/lib/jsontime"
"github.com/FreifunkBremen/yanic/runtime"
)
const (
LINK_TYPE_WIRELESS = "wifi"
LINK_TYPE_TUNNEL = "vpn"
LINK_TYPE_FALLBACK = "other"
)
func transform(nodes *runtime.Nodes) *Meshviewer {
meshviewer := &Meshviewer{
Timestamp: jsontime.Now(),
Nodes: make([]*Node, 0),
Links: make([]*Link, 0),
}
links := make(map[string]*Link)
typeList := make(map[string]string)
nodes.RLock()
defer nodes.RUnlock()
for _, nodeOrigin := range nodes.List {
node := NewNode(nodes, nodeOrigin)
meshviewer.Nodes = append(meshviewer.Nodes, node)
if !nodeOrigin.Online {
continue
}
if nodeinfo := nodeOrigin.Nodeinfo; nodeinfo != nil {
if meshes := nodeinfo.Network.Mesh; meshes != nil {
for _, mesh := range meshes {
for _, addr := range mesh.Interfaces.Wireless {
typeList[addr] = LINK_TYPE_WIRELESS
}
for _, addr := range mesh.Interfaces.Tunnel {
typeList[addr] = LINK_TYPE_TUNNEL
}
}
}
}
for _, linkOrigin := range nodes.NodeLinks(nodeOrigin) {
var key string
// keep source and target in the same order
switchSourceTarget := strings.Compare(linkOrigin.SourceAddress, linkOrigin.TargetAddress) > 0
if switchSourceTarget {
key = fmt.Sprintf("%s-%s", linkOrigin.SourceAddress, linkOrigin.TargetAddress)
} else {
key = fmt.Sprintf("%s-%s", linkOrigin.TargetAddress, linkOrigin.SourceAddress)
}
if link := links[key]; link != nil {
linkType, linkTypeFound := typeList[linkOrigin.SourceAddress]
if !linkTypeFound {
linkType, linkTypeFound = typeList[linkOrigin.TargetAddress]
}
if switchSourceTarget {
link.TargetTQ = linkOrigin.TQ
linkType, linkTypeFound = typeList[linkOrigin.TargetAddress]
if !linkTypeFound {
linkType, linkTypeFound = typeList[linkOrigin.SourceAddress]
}
} else {
link.SourceTQ = linkOrigin.TQ
}
if linkTypeFound && linkType != link.Type {
if link.Type == LINK_TYPE_FALLBACK {
link.Type = linkType
} else {
log.Printf("different linktypes for '%s' - '%s' prev: '%s' new: '%s' source: '%s' target: '%s'", linkOrigin.SourceAddress, linkOrigin.TargetAddress, link.Type, linkType, typeList[linkOrigin.SourceAddress], typeList[linkOrigin.TargetAddress])
}
}
continue
}
link := &Link{
Source: linkOrigin.SourceID,
SourceAddress: linkOrigin.SourceAddress,
Target: linkOrigin.TargetID,
TargetAddress: linkOrigin.TargetAddress,
SourceTQ: linkOrigin.TQ,
TargetTQ: linkOrigin.TQ,
}
linkType, linkTypeFound := typeList[linkOrigin.SourceAddress]
if !linkTypeFound {
linkType, linkTypeFound = typeList[linkOrigin.TargetAddress]
}
if switchSourceTarget {
link.Source = linkOrigin.TargetID
link.SourceAddress = linkOrigin.TargetAddress
link.Target = linkOrigin.SourceID
link.TargetAddress = linkOrigin.SourceAddress
linkType, linkTypeFound = typeList[linkOrigin.TargetAddress]
if !linkTypeFound {
linkType, linkTypeFound = typeList[linkOrigin.SourceAddress]
}
}
if linkTypeFound {
link.Type = linkType
} else {
link.Type = LINK_TYPE_FALLBACK
}
links[key] = link
meshviewer.Links = append(meshviewer.Links, link)
}
}
return meshviewer
}