remote(client): support connecting to specified host and port

Platform/iOS/UTMRemoteConnectView.swift

@@ -142,16 +142,31 @@ private struct ServerConnectView: View {
         NavigationView {
             Form {
                 Section {
-                    DefaultTextField("", text: $server.name, prompt: "Name")
+                    if #available(iOS 15, *) {
+                        TextField("", text: $server.name, prompt: Text("Name (optional)"))
+                    } else {
+                        DefaultTextField("", text: $server.name, prompt: "Name (optional)")
+                    }
                 } header: {
                     Text("Name")
                 }
                 Section {
                     if server.endpoint != nil {
                         Text(server.hostname)
                     } else {
-                        DefaultTextField("", text: $server.hostname, prompt: "Hostname or IP address")
-                        NumberTextField("", number: $server.port, prompt: "Port")
+                        if #available(iOS 15, *) {
+                            TextField("", text: $server.hostname, prompt: Text("Hostname or IP address"))
+                                .keyboardType(.asciiCapable)
+                                .autocorrectionDisabled()
+                                .textInputAutocapitalization(.never)
+                            TextField("", value: $server.port, format: .number.grouping(.never), prompt: Text("Port"))
+                                .keyboardType(.decimalPad)
+                        } else {
+                            DefaultTextField("", text: $server.hostname, prompt: "Hostname or IP address")
+                                .keyboardType(.asciiCapable)
+                                .autocorrectionDisabled()
+                            NumberTextField("", number: $server.port, prompt: "Port")
+                        }
                     }
                 } header: {
                     Text("Host")
@@ -202,7 +217,7 @@ private struct ServerConnectView: View {
                                 } else {
                                     Text("Connect")
                                 }
-                            }
+                            }.disabled(server.hostname.isEmpty || !server.isAvailable)
                         }
                     }
                 }

Remote/UTMRemoteClient.swift

@@ -19,7 +19,6 @@ import Network
 import SwiftConnect
 
 let service = "_utm_server._tcp"
-let defaultServerPort = 21589
 
 actor UTMRemoteClient {
     let state: State
@@ -86,9 +85,7 @@ actor UTMRemoteClient {
     func connect(_ server: State.SavedServer) async throws {
         var server = server
         var isSuccessful = false
-        guard let endpoint = server.endpoint else {
-            throw ConnectionError.cannotFindEndpoint
-        }
+        let endpoint = server.endpoint ?? NWEndpoint.hostPort(host: .init(server.hostname), port: .init(integerLiteral: UInt16(server.port ?? 0)))
         try await keyManager.load()
         let connection = try await Connection(endpoint: endpoint, identity: keyManager.identity)
         defer {
@@ -110,13 +107,17 @@ actor UTMRemoteClient {
         try Task.checkCancellation()
         let peer = Peer(connection: connection, localInterface: local)
         let remote = Remote(peer: peer, host: host)
-        try await remote.handshake()
+        let device = try await remote.handshake()
         self.server = remote
         await state.setConnected(true)
         if !server.shouldSavePassword {
             server.password = nil
         }
+        if server.name.isEmpty {
+            server.name = server.hostname
+        }
         server.lastSeen = Date()
+        server.model = device.model
         await state.save(server: server)
         isSuccessful = true
     }
@@ -158,12 +159,11 @@ extension UTMRemoteClient {
             }
 
             var isAvailable: Bool {
-                endpoint != nil || port != nil
+                endpoint != nil || (port != nil && port != 0)
             }
 
             init() {
                 self.hostname = ""
-                self.port = defaultServerPort
                 self.name = ""
                 self.lastSeen = Date()
                 self.fingerprint = ""
@@ -309,12 +309,13 @@ extension UTMRemoteClient {
             peer.close()
         }
 
-        func handshake() async throws {
+        func handshake() async throws -> MacDevice {
             let reply = try await _handshake(parameters: .init(version: UTMRemoteMessageServer.version))
             guard reply.version == UTMRemoteMessageServer.version else {
                 throw ClientError.versionMismatch
             }
             capabilities = reply.capabilities
+            return MacDevice(model: reply.model)
         }
 
         func listVirtualMachines() async throws -> [M.ListVirtualMachines.Information] {
@@ -445,7 +446,6 @@ extension UTMRemoteClient {
 
 extension UTMRemoteClient {
     enum ConnectionError: LocalizedError {
-        case cannotFindEndpoint
         case cannotDetermineHost
         case cannotFindFingerprint
         case passwordRequired
@@ -455,8 +455,6 @@ extension UTMRemoteClient {
 
         var errorDescription: String? {
             switch self {
-            case .cannotFindEndpoint:
-                return NSLocalizedString("The server has disappeared.", comment: "UTMRemoteClient")
             case .cannotDetermineHost:
                 return NSLocalizedString("Failed to determine host name.", comment: "UTMRemoteClient")
             case .cannotFindFingerprint:

UTM.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -78,7 +78,7 @@
       "location" : "https://github.com/utmapp/SwiftConnect",
       "state" : {
         "branch" : "main",
-        "revision" : "c6e84abcc1563a1ec6521d6649b5b918494539bc"
+        "revision" : "1ba2f10260ad46ddcdb3f8c0d44be385ff89f11f"
       }
     },
     {