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q refactor break out assemblepath

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This commit is contained in:
Heiko Schaefer 2023-07-10 21:59:42 +02:00
parent dd4277b33d
commit 20434ad9f6
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1 changed files with 56 additions and 52 deletions
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108
wot-dijkstra/src/main/kotlin/org/pgpainless/wot/dijkstra/Query.kt
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@ -508,8 +508,6 @@ class Query(
val authRpaths: HashMap<Fingerprint, Pair<Path, Int>> = hashMapOf()
for ((issuerFpr, fp) in bestNextNode.entries) {
var fp = fp // Shadow for write access
// If roots were specified, then only return the optimal
// paths from the roots.
if (roots.size() > 0 && !roots.isRoot(issuerFpr)) {
@ -565,59 +563,65 @@ class Query(
}
logger.debug("Recovering path starting at {}", network.nodeByFpr(issuerFpr))
val path = assemblePath(target, targetFpr, targetUserid, issuer, fp, bestNextNode, filter, selfSigned)
logger.debug("Authenticated <{}, {}>:\n{}", targetFpr, targetUserid, path)
var amount = 120
// nodes[0] is the root; nodes[nodes.len() - 1] is the target.
val nodes: MutableList<EdgeComponent> = mutableListOf()
while (true) {
val ec = fp.next ?: break
logger.debug(" {}", fp)
val fv = FilterValues(ec.trustDepth, ec.trustAmount, null)
val r = filter.cost(ec, fv, true)
assert(r) {
"cost function returned different result, but must be constant !"
}
amount = min(fv.amount, amount)
nodes.add(ec)
fp = bestNextNode[ec.target.fingerprint]!! // FIXME !!
}
if (selfSigned) {
val tail = nodes.last()
if (tail.userId != targetUserid) {
/// XXX: don't synthesize selfsigs
val selfsig = EdgeComponent(target, target, targetUserid, Date(),
null, true, 120, Depth.limited(0), RegexSet.wildcard())
nodes.add(selfsig)
}
}
logger.debug(" {}", fp)
logger.debug("\nShortest path from {} to <{} <-> {}>:\n {}",
issuer.fingerprint,
targetUserid, targetFpr,
nodes.withIndex().joinToString("\n ") { (i, certification) ->
"$i: $certification"
})
assert(nodes.size > 0)
val p = Path(issuer)
for (n in nodes.iterator()) {
p.append(n)
}
logger.debug("Authenticated <{}, {}>:\n{}", targetFpr, targetUserid, p)
authRpaths[issuerFpr] = Pair(p, amount)
authRpaths[issuerFpr] = path
}
return authRpaths
}
private fun assemblePath(target: Node, targetFpr: Fingerprint, targetUserid: String, issuer: Node, fp: ForwardPointer, bestNextNode: HashMap<Fingerprint, ForwardPointer>, filter: CertificationFilter, selfSigned: Boolean): Pair<Path, Int> {
var fp = fp // shadow for write access
var amount = 120
// nodes[0] is the root; nodes[nodes.len() - 1] is the target.
val nodes: MutableList<EdgeComponent> = mutableListOf()
while (true) {
val ec = fp.next ?: break
logger.debug(" {}", fp)
val fv = FilterValues(ec.trustDepth, ec.trustAmount, null)
val r = filter.cost(ec, fv, true)
assert(r) {
"cost function returned different result, but must be constant !"
}
amount = min(fv.amount, amount)
nodes.add(ec)
fp = bestNextNode[ec.target.fingerprint]!! // FIXME !!
}
if (selfSigned) {
val tail = nodes.last()
if (tail.userId != targetUserid) {
/// XXX: don't synthesize selfsigs
val selfsig = EdgeComponent(target, target, targetUserid, Date(),
null, true, 120, Depth.limited(0), RegexSet.wildcard())
nodes.add(selfsig)
}
}
logger.debug(" {}", fp)
logger.debug("\nShortest path from {} to <{} <-> {}>:\n {}",
issuer.fingerprint,
targetUserid, targetFpr,
nodes.withIndex().joinToString("\n ") { (i, certification) ->
"$i: $certification"
})
assert(nodes.size > 0)
val p = Path(issuer)
for (n in nodes.iterator()) {
p.append(n)
}
return Pair(p, amount)
}
}