AFNetworking 5 - NetworkReachabilityManager Listener - swift

Question

I recently upgraded from AFNetworking 4 to 5.
This was the old way of initializing the listener:
let net = NetworkReachabilityManager()
net?.listener = { status in
if net?.isReachable ?? false {
switch status {
case .reachable(.ethernetOrWiFi):
print("The network is reachable over the WiFi connection")
case .reachable(.wwan):
print("The network is reachable over the WWAN connection")
case .notReachable:
print("The network is not reachable")
case .unknown :
print("It is unknown whether the network is reachable")
}
}
net?.startListening()
The new documentation reads this:
#discardableResult
open func startListening(onQueue queue: DispatchQueue = .main,
onUpdatePerforming listener: #escaping Listener) -> Bool
https://alamofire.github.io/Alamofire/Classes/NetworkReachabilityManager.html
In my code, I am trying this:
let listener = NetworkReachabilityManager.Listener()
self.reachabilityManager?.startListening(onUpdatePerforming: listener){
}
The compilation error I am getting is Extra argument 'onUpdatePerforming' in call. It is a syntactical issue, I am transitioning form Objective C to Swift.
What I attempt to pass a closure, I also cannot seem to get the syntax correct:
self.reachabilityManager?.startListening(onUpdatePerforming: { (NetworkReachabilityManager.Listener) in
})

Answer 1

Listener is just a typealias for the closure type expected, so you need to pass a closure.
self.reachabilityManager?.startListening { status in
switch status {
...
}
}

Answer 2

Here is the code which runs after the AFNetworking update:
self.reachabilityManager?.startListening(onUpdatePerforming: {networkStatusListener in
print("Network Status Changed:", networkStatusListener)
switch networkStatusListener {
case .notReachable:
self.presentAlert(message: "The network is not reachable. Please reconnect to continue using the app.")
print("The network is not reachable.")
case .unknown :
self.presentAlert(message: "It is unknown whether the network is reachable. Please reconnect.")
print("It is unknown whether the network is reachable.")
case .reachable(.ethernetOrWiFi):
print("The network is reachable over the WiFi connection")
case .reachable(.cellular):
print("The network is reachable over the WWAN connection")
}
})