Files
macos-stats/Modules/Net/readers.swift

541 lines
19 KiB
Swift

//
// readers.swift
// Net
//
// Created by Serhiy Mytrovtsiy on 24/05/2020.
// Using Swift 5.0.
// Running on macOS 10.15.
//
// Copyright © 2020 Serhiy Mytrovtsiy. All rights reserved.
//
// swiftlint:disable control_statement
import Cocoa
import Kit
import SystemConfiguration
import CoreWLAN
struct ipResponse: Decodable {
var ip: String
var country: String
var cc: String
}
extension CWPHYMode: CustomStringConvertible {
public var description: String {
switch(self) {
case .mode11a: return "802.11a"
case .mode11ac: return "802.11ac"
case .mode11b: return "802.11b"
case .mode11g: return "802.11g"
case .mode11n: return "802.11n"
case .mode11ax: return "802.11ax"
case .modeNone: return "none"
@unknown default: return "unknown"
}
}
}
extension CWInterfaceMode: CustomStringConvertible {
public var description: String {
switch(self) {
case .hostAP: return "AP"
case .IBSS: return "Adhoc"
case .station: return "Station"
case .none: return "none"
@unknown default: return "unknown"
}
}
}
extension CWSecurity: CustomStringConvertible {
public var description: String {
switch(self) {
case .none: return "none"
case .WEP: return "WEP"
case .wpaPersonal: return "WPA Personal"
case .wpaPersonalMixed: return "WPA Personal Mixed"
case .wpa2Personal: return "WPA2 Personal"
case .personal: return "Personal"
case .dynamicWEP: return "Dynamic WEP"
case .wpaEnterprise: return "WPA Enterprise"
case .wpaEnterpriseMixed: return "WPA Enterprise Mixed"
case .wpa2Enterprise: return "WPA2 Enterprise"
case .enterprise: return "Enterprise"
case .unknown: return "unknown"
case .wpa3Personal: return "WPA3 Personal"
case .wpa3Enterprise: return "WPA3 Enterprise"
case .wpa3Transition: return "WPA3 Transition"
@unknown default: return "unknown"
}
}
}
extension CWChannelBand: CustomStringConvertible {
public var description: String {
switch(self) {
case .band2GHz: return "2 GHz"
case .band5GHz: return "5 Ghz"
case .bandUnknown: return "unknown"
@unknown default: return "unknown"
}
}
}
extension CWChannelWidth: CustomStringConvertible {
public var description: String {
switch(self) {
case .width20MHz: return "20 MHz"
case .width40MHz: return "40 MHz"
case .width80MHz: return "80 MHz"
case .width160MHz: return "160 MHz"
case .widthUnknown: return "unknown"
@unknown default: return "unknown"
}
}
}
extension CWChannel {
override public var description: String {
return "\(channelNumber) (\(channelBand), \(channelWidth))"
}
}
internal class UsageReader: Reader<Network_Usage> {
private var reachability: Reachability = Reachability(start: true)
private var usage: Network_Usage = Network_Usage()
private var primaryInterface: String {
get {
if let global = SCDynamicStoreCopyValue(nil, "State:/Network/Global/IPv4" as CFString), let name = global["PrimaryInterface"] as? String {
return name
}
return ""
}
}
private var interfaceID: String {
get {
return Store.shared.string(key: "Network_interface", defaultValue: self.primaryInterface)
}
set {
Store.shared.set(key: "Network_interface", value: newValue)
}
}
private var reader: String {
get {
return Store.shared.string(key: "Network_reader", defaultValue: "interface")
}
}
private var vpnConnection: Bool {
if let settings = CFNetworkCopySystemProxySettings()?.takeRetainedValue() as? [String: Any], let scopes = settings["__SCOPED__"] as? [String: Any] {
return !scopes.filter({ $0.key.contains("tap") || $0.key.contains("tun") || $0.key.contains("ppp") || $0.key.contains("ipsec") || $0.key.contains("ipsec0")}).isEmpty
}
return false
}
private var VPNMode: Bool {
get {
return Store.shared.bool(key: "Network_VPNMode", defaultValue: false)
}
}
public override func setup() {
self.reachability.reachable = {
if self.active {
self.getDetails()
}
}
self.reachability.unreachable = {
if self.active {
self.usage.reset()
self.callback(self.usage)
}
}
NotificationCenter.default.addObserver(self, selector: #selector(refreshPublicIP), name: .refreshPublicIP, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(resetTotalNetworkUsage), name: .resetTotalNetworkUsage, object: nil)
DispatchQueue.global(qos: .background).asyncAfter(deadline: .now() + 1) {
if self.active {
self.getDetails()
}
}
}
public override func terminate() {
self.reachability.stop()
}
public override func read() {
let current: Bandwidth = self.reader == "interface" ? self.readInterfaceBandwidth() : self.readProcessBandwidth()
// allows to reset the value to 0 when first read
if self.usage.bandwidth.upload != 0 {
self.usage.bandwidth.upload = current.upload - self.usage.bandwidth.upload
}
if self.usage.bandwidth.download != 0 {
self.usage.bandwidth.download = current.download - self.usage.bandwidth.download
}
self.usage.bandwidth.upload = max(self.usage.bandwidth.upload, 0) // prevent negative upload value
self.usage.bandwidth.download = max(self.usage.bandwidth.download, 0) // prevent negative download value
self.usage.total.upload += self.usage.bandwidth.upload
self.usage.total.download += self.usage.bandwidth.download
self.usage.status = self.reachability.isReachable
if self.vpnConnection && self.VPNMode {
self.usage.bandwidth.upload /= 2
self.usage.bandwidth.download /= 2
}
self.callback(self.usage)
self.usage.bandwidth.upload = current.upload
self.usage.bandwidth.download = current.download
}
private func readInterfaceBandwidth() -> Bandwidth {
var interfaceAddresses: UnsafeMutablePointer<ifaddrs>? = nil
var totalUpload: Int64 = 0
var totalDownload: Int64 = 0
guard getifaddrs(&interfaceAddresses) == 0 else {
return (0, 0)
}
var pointer = interfaceAddresses
while pointer != nil {
defer { pointer = pointer?.pointee.ifa_next }
if String(cString: pointer!.pointee.ifa_name) != self.interfaceID {
continue
}
if let ip = getLocalIP(pointer!), self.usage.laddr != ip {
self.usage.laddr = ip
}
if let info = getBytesInfo(pointer!) {
totalUpload += info.upload
totalDownload += info.download
}
}
freeifaddrs(interfaceAddresses)
return (totalUpload, totalDownload)
}
private func readProcessBandwidth() -> Bandwidth {
let task = Process()
task.launchPath = "/usr/bin/nettop"
task.arguments = ["-P", "-L", "1", "-k", "time,interface,state,rx_dupe,rx_ooo,re-tx,rtt_avg,rcvsize,tx_win,tc_class,tc_mgt,cc_algo,P,C,R,W,arch"]
let outputPipe = Pipe()
let errorPipe = Pipe()
defer {
outputPipe.fileHandleForReading.closeFile()
errorPipe.fileHandleForReading.closeFile()
}
task.standardOutput = outputPipe
task.standardError = errorPipe
do {
try task.run()
} catch let err {
error("read bandwidth from processes: \(err)", log: self.log)
return (0, 0)
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(decoding: outputData, as: UTF8.self)
_ = String(decoding: errorData, as: UTF8.self)
if output.isEmpty {
return (0, 0)
}
var totalUpload: Int64 = 0
var totalDownload: Int64 = 0
var firstLine = false
output.enumerateLines { (line, _) -> Void in
if !firstLine {
firstLine = true
return
}
let parsedLine = line.split(separator: ",")
guard parsedLine.count >= 3 else {
return
}
if let download = Int64(parsedLine[1]) {
totalDownload += download
}
if let upload = Int64(parsedLine[2]) {
totalUpload += upload
}
}
return (totalUpload, totalDownload)
}
public func getDetails() {
self.usage.reset()
DispatchQueue.global(qos: .background).async {
self.getPublicIP()
}
guard self.interfaceID != "" else {
return
}
for interface in SCNetworkInterfaceCopyAll() as NSArray {
if let bsdName = SCNetworkInterfaceGetBSDName(interface as! SCNetworkInterface), bsdName as String == self.interfaceID,
let type = SCNetworkInterfaceGetInterfaceType(interface as! SCNetworkInterface),
let displayName = SCNetworkInterfaceGetLocalizedDisplayName(interface as! SCNetworkInterface),
let address = SCNetworkInterfaceGetHardwareAddressString(interface as! SCNetworkInterface) {
self.usage.interface = Network_interface(displayName: displayName as String, BSDName: bsdName as String, address: address as String)
switch type {
case kSCNetworkInterfaceTypeEthernet:
self.usage.connectionType = .ethernet
case kSCNetworkInterfaceTypeIEEE80211, kSCNetworkInterfaceTypeWWAN:
self.usage.connectionType = .wifi
case kSCNetworkInterfaceTypeBluetooth:
self.usage.connectionType = .bluetooth
default:
self.usage.connectionType = .other
}
}
}
if let interface = CWWiFiClient.shared().interface(withName: self.interfaceID), self.usage.connectionType == .wifi {
self.usage.wifiDetails.ssid = interface.ssid()
self.usage.wifiDetails.countryCode = interface.countryCode()
self.usage.wifiDetails.RSSI = interface.rssiValue()
self.usage.wifiDetails.noise = interface.noiseMeasurement()
self.usage.wifiDetails.transmitRate = interface.transmitRate()
self.usage.wifiDetails.transmitPower = interface.transmitPower()
self.usage.wifiDetails.standard = interface.activePHYMode().description
self.usage.wifiDetails.mode = interface.interfaceMode().description
self.usage.wifiDetails.security = interface.security().description
if let ch = interface.wlanChannel() {
self.usage.wifiDetails.channel = ch.description
self.usage.wifiDetails.channelBand = ch.channelBand.description
self.usage.wifiDetails.channelWidth = ch.channelWidth.description
self.usage.wifiDetails.channelNumber = ch.channelNumber.description
}
}
}
private func getLocalIP(_ pointer: UnsafeMutablePointer<ifaddrs>) -> String? {
var addr = pointer.pointee.ifa_addr.pointee
guard addr.sa_family == UInt8(AF_INET) else {
return nil
}
var ip = [CChar](repeating: 0, count: Int(NI_MAXHOST))
getnameinfo(&addr, socklen_t(addr.sa_len), &ip, socklen_t(ip.count), nil, socklen_t(0), NI_NUMERICHOST)
return String(cString: ip)
}
private func getPublicIP() {
struct Addr_s: Decodable {
let ipv4: String?
let ipv6: String?
}
if let url = URL(string: "https://api.serhiy.io/v1/stats/ip"),
let data = try? Data(contentsOf: url),
let addr = try? JSONDecoder().decode(Addr_s.self, from: data) {
if let ip = addr.ipv4, self.isIPv4(ip) {
self.usage.raddr.v4 = ip
}
if let ip = addr.ipv6, !self.isIPv4(ip) {
self.usage.raddr.v6 = ip
}
}
}
private func getBytesInfo(_ pointer: UnsafeMutablePointer<ifaddrs>) -> (upload: Int64, download: Int64)? {
let addr = pointer.pointee.ifa_addr.pointee
guard addr.sa_family == UInt8(AF_LINK) else {
return nil
}
let data: UnsafeMutablePointer<if_data>? = unsafeBitCast(pointer.pointee.ifa_data, to: UnsafeMutablePointer<if_data>.self)
return (upload: Int64(data?.pointee.ifi_obytes ?? 0), download: Int64(data?.pointee.ifi_ibytes ?? 0))
}
private func isIPv4(_ ip: String) -> Bool {
let arr = ip.split(separator: ".").compactMap{ Int($0) }
return arr.count == 4 && arr.filter{ $0 >= 0 && $0 < 256}.count == 4
}
@objc func refreshPublicIP() {
self.usage.raddr.v4 = nil
self.usage.raddr.v6 = nil
DispatchQueue.global(qos: .background).async {
self.getPublicIP()
}
}
@objc func resetTotalNetworkUsage() {
self.usage.total = (0, 0)
}
}
public class ProcessReader: Reader<[Network_Process]> {
private let title: String = "Network"
private var previous: [Network_Process] = []
private var numberOfProcesses: Int {
get {
return Store.shared.int(key: "\(self.title)_processes", defaultValue: 8)
}
}
public override func setup() {
self.popup = true
}
public override func read() {
if self.numberOfProcesses == 0 {
return
}
let task = Process()
task.launchPath = "/usr/bin/nettop"
task.arguments = ["-P", "-L", "1", "-k", "time,interface,state,rx_dupe,rx_ooo,re-tx,rtt_avg,rcvsize,tx_win,tc_class,tc_mgt,cc_algo,P,C,R,W,arch"]
let outputPipe = Pipe()
let errorPipe = Pipe()
defer {
outputPipe.fileHandleForReading.closeFile()
errorPipe.fileHandleForReading.closeFile()
}
task.standardOutput = outputPipe
task.standardError = errorPipe
do {
try task.run()
} catch let error {
print(error)
return
}
let outputData = outputPipe.fileHandleForReading.readDataToEndOfFile()
let errorData = errorPipe.fileHandleForReading.readDataToEndOfFile()
let output = String(decoding: outputData, as: UTF8.self)
_ = String(decoding: errorData, as: UTF8.self)
if output.isEmpty {
return
}
var list: [Network_Process] = []
var firstLine = false
output.enumerateLines { (line, _) -> Void in
if !firstLine {
firstLine = true
return
}
let parsedLine = line.split(separator: ",")
guard parsedLine.count >= 3 else {
return
}
var process = Network_Process()
process.time = Date()
let nameArray = parsedLine[0].split(separator: ".")
if let pid = nameArray.last {
process.pid = String(pid)
}
if let app = NSRunningApplication(processIdentifier: pid_t(process.pid) ?? 0) {
process.name = app.localizedName ?? nameArray.dropLast().joined(separator: ".")
process.icon = app.icon != nil ? app.icon : Constants.defaultProcessIcon
} else {
process.name = nameArray.dropLast().joined(separator: ".")
process.icon = Constants.defaultProcessIcon
}
if process.name == "" {
process.name = process.pid
}
if let download = Int(parsedLine[1]) {
process.download = download
}
if let upload = Int(parsedLine[2]) {
process.upload = upload
}
list.append(process)
}
var processes: [Network_Process] = []
if self.previous.isEmpty {
self.previous = list
processes = list
} else {
self.previous.forEach { (pp: Network_Process) in
if let i = list.firstIndex(where: { $0.pid == pp.pid }) {
let p = list[i]
var download = p.download - pp.download
var upload = p.upload - pp.upload
let time = download == 0 && upload == 0 ? pp.time : Date()
list[i].time = time
if download < 0 {
download = 0
}
if upload < 0 {
upload = 0
}
processes.append(Network_Process(time: time, name: p.name, pid: p.pid, download: download, upload: upload, icon: p.icon))
}
}
self.previous = list
}
processes.sort {
let firstMax = max($0.download, $0.upload)
let secondMax = max($1.download, $1.upload)
let firstMin = min($0.download, $0.upload)
let secondMin = min($1.download, $1.upload)
if firstMax == secondMax && firstMin == secondMin { // download and upload values are the same, sort by time
return $0.time < $1.time
} else if firstMax == secondMax && firstMin != secondMin { // max values are the same, min not. Sort by min values
return firstMin < secondMin
}
return firstMax < secondMax // max values are not the same, sort by max value
}
self.callback(processes.suffix(self.numberOfProcesses).reversed())
}
}