Allow multiple incoming connections

NearbyShare/Connection/InboundNearbyConnection.swift

@@ -539,12 +539,6 @@ class InboundNearbyConnection: NearbyConnection {
             let acceptAutomatically = isAuthenticated || Settings.sharedInstance.automaticallyAcceptFiles
             
             DispatchQueue.main.async {
-                if !NearbyConnectionManager.shared.claimIncomingTransfer(id: self.id) {
-                    log("[InboundNearbyConnection \(self.id)] Another transfer is active. Rejecting incoming transfer.")
-                    self.rejectTransfer()
-                    return
-                }
-
                 if acceptAutomatically {
                     self.delegate?.obtainedUserConsentAutomatically(transfer: metadata, device: self.remoteDeviceInfo!, connection: self)
                     self.submitUserConsent(accepted: true, trustDevice: false)

NearbyShare/Connection/NearbyConnectionManager.swift

@@ -29,7 +29,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     private var tcpListener: NWListener
     private var mdnsServices: [NetService] = []
     private var incomingConnections: [String: InboundNearbyConnection] = [:]
-    private var activeIncomingTransferID: String?
     private var foundServices: [String: FoundServiceInfo] = [:]
     private var outboundAppDelegates: [OutboundAppDelegate] = []
     private var inboundAppDelegates: [InboundAppDelegate] = []
@@ -341,9 +340,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     
     
     func connectionWasTerminated(connection: InboundNearbyConnection, savedFiles: [URL], error: Error?) {
-        if activeIncomingTransferID == connection.id {
-            activeIncomingTransferID = nil
-        }
         incomingConnections.removeValue(forKey: connection.id)
         
         if !connection.wasUserRejected {
@@ -486,15 +482,6 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
         }
     }
 
-    func claimIncomingTransfer(id: String) -> Bool {
-        if let activeIncomingTransferID, activeIncomingTransferID != id {
-            return false
-        }
-        activeIncomingTransferID = id
-        return true
-    }
-    
-    
     private func endpointID(for service: NWBrowser.Result) -> String? {
         guard case let NWEndpoint.service(name: serviceName, type: _, domain: _, interface: _) = service.endpoint else { return nil }
         guard let nameData = Data.dataFromUrlSafeBase64(serviceName) else { return nil }