89 lines
2.8 KiB
Swift
89 lines
2.8 KiB
Swift
import UIKit
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class VCCoOccurrence: UIViewController, UITableViewDataSource {
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var fqdn: String!
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private var dataSource: [ContextAnalysisResult] = []
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@IBOutlet private var tableView: UITableView!
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@IBOutlet private var timeSegment: UISegmentedControl!
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private let availableTimes = [0, 5, 15, 30]
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private var selectedTime = -1 {
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didSet { logTimeDelta = log(CGFloat(max(2, selectedTime+1))) }
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}
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private var logTimeDelta: CGFloat = 1
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private var logMaxCount: CGFloat = 1
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override func viewDidLoad() {
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super.viewDidLoad()
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selectedTime = Pref.ContextAnalyis.CoOccurrenceTime ?? 5 // calls `didSet` and `logTimeDelta`
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timeSegment.removeAllSegments() // clear IB values
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for (i, time) in availableTimes.enumerated() {
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timeSegment.insertSegment(withTitle: TimeFormat(.abbreviated).from(seconds: time), at: i, animated: false)
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if time == selectedTime {
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timeSegment.selectedSegmentIndex = i
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}
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}
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reloadDataSource()
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}
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func reloadDataSource() {
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dataSource = [("Loading …", 0, 0, 0)]
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logMaxCount = 1
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tableView.reloadData()
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let domain = fqdn!
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let time = Timestamp(selectedTime)
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DispatchQueue.global().async { [weak self] in
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guard let db = AppDB, let times = db.dnsLogsUniqTs(domain), times.count > 0 else {
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return // should never happen, or what did you tap then?
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}
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guard let result = db.contextAnalysis(coOccurrence: times, plusMinus: time, exclude: domain) else {
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return
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}
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self?.dataSource = result
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self?.logMaxCount = log(CGFloat(result.reduce(0) { max($0, $1.count) }))
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DispatchQueue.main.sync { [weak self] in
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self?.tableView.reloadData()
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}
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}
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}
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@IBAction func didChangeTime(_ sender: UISegmentedControl) {
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selectedTime = availableTimes[sender.selectedSegmentIndex]
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Pref.ContextAnalyis.CoOccurrenceTime = selectedTime
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reloadDataSource()
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}
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@IBAction func didClose(_ sender: UIBarButtonItem) {
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dismiss(animated: true)
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}
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// MARK: - Table View Data Source
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func tableView(_ _: UITableView, numberOfRowsInSection _: Int) -> Int {
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dataSource.count
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}
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func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let cell = tableView.dequeueReusableCell(withIdentifier: "CoOccurrenceCell") as! CoOccurrenceCell
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let src = dataSource[indexPath.row]
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cell.title.text = src.domain
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cell.rank.text = "\(indexPath.row + 1)."
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cell.count.text = "\(src.count)"
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cell.avgdiff.text = String(format: "%.2fs", src.avg)
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cell.countMeter.percent = (log(CGFloat(src.count)) / logMaxCount)
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cell.avgdiffMeter.percent = 1 - (log(CGFloat(src.avg + 1)) / logTimeDelta)
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return cell
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}
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}
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class CoOccurrenceCell: UITableViewCell {
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@IBOutlet var title: UILabel!
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@IBOutlet var rank: TagLabel!
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@IBOutlet var count: TagLabel!
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@IBOutlet var avgdiff: TagLabel!
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@IBOutlet var countMeter: MeterBar!
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@IBOutlet var avgdiffMeter: MeterBar!
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}
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