20 lines
1.1 KiB
TypeScript
20 lines
1.1 KiB
TypeScript
type InstanceIdentity = { serverId: number; routerId: string | null }
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export function deriveOspfRouterIdentity(instances: InstanceIdentity[]) {
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const devices = new Map<string, { ids: Set<string>; unknown: boolean }>()
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for(const instance of instances) {
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const id=String(instance.serverId), value=instance.routerId?.trim()
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const entry=devices.get(id) ?? {ids:new Set<string>(),unknown:false}
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const parts=value?.split(".")
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if(!value || value === "0.0.0.0" || !parts || parts.length!==4 || parts.some(part=>!/^\d{1,3}$/.test(part) || Number(part)>255)) entry.unknown=true
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else entry.ids.add(value)
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devices.set(id,entry)
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}
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const routerIds: Record<string,string> = {}
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for(const [device,entry] of devices) if(!entry.unknown && entry.ids.size===1)routerIds[device]=[...entry.ids][0]
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const reverse = new Map<string,string | null>()
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for(const [device,id] of Object.entries(routerIds)) reverse.set(id,reverse.has(id) && reverse.get(id)!==device ? null : device)
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const serverByRouterId: Record<string,string> = {}
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for(const [id,device] of reverse) if(device!==null)serverByRouterId[id]=device
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return {routerIds,serverByRouterId}
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}
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