Added support for reconnecting to a server, using the same terminal

added reconnect() to sshhandler
added support to go() and connect() to use an arbritrary sessionID
redid readloop in sshterminaldelegate to use a timer, instead of a while loop in a Task, allowsfor one readloop per terminal instead
updated the ui for the disconnected alert
increased max read size from 1024 to
added reconnecterror
updated tracker to remove print statements and exit start/stop tracking funcs early if tracking/not tracking

ShhShell/Misc/Backgrounder.swift

@@ -10,6 +10,7 @@ import CoreLocation
 
 class Backgrounder: NSObject, CLLocationManagerDelegate, ObservableObject {
 	private let manager = CLLocationManager()
+	var tracking: Bool = false
 	
 	@MainActor
 	static var shared: Backgrounder = Backgrounder()
@@ -23,17 +24,19 @@ class Backgrounder: NSObject, CLLocationManagerDelegate, ObservableObject {
 	}
 	
 	func startBgTracking() {
-//		guard mana
+		guard !tracking else { return }
+		guard checkPermsStatus() else { return }
 		manager.allowsBackgroundLocationUpdates = true
 		manager.pausesLocationUpdatesAutomatically = false
 		manager.startMonitoringSignificantLocationChanges()
-		print("started tgracking")
+		tracking = true
 	}
 	
 	func stopBgTracking() {
+		guard tracking else { return }
 		manager.stopUpdatingLocation()
 		manager.allowsBackgroundLocationUpdates = false
-		print("stopped tracking")
+		tracking = false
 	}
 	
 	func requestPerms() {

ShhShell/SSH/SSHError.swift

@@ -25,3 +25,7 @@ enum KeyError: Error {
 	case pubkeyRejected
 	case privkeyRejected
 }
+
+enum ReconnectError: Error {
+	case alreadyConnected
+}

ShhShell/SSH/SSHHandler.swift

@@ -59,10 +59,10 @@ class SSHHandler: @unchecked Sendable, ObservableObject {
 		return String(cString: cString)
 	}
 	
-	func go() {
+	func go(id: UUID = UUID()) {
 		guard !connected else { disconnect(); return }
 		
-		do { try connect() } catch {
+		do { try connect(id: id) } catch {
 			print("error when connecting \(error.localizedDescription)")
 			return
 		}
@@ -108,10 +108,10 @@ class SSHHandler: @unchecked Sendable, ObservableObject {
 		setTitle("\(host.username)@\(host.address)")
 	}
 	
-	func connect() throws(SSHError) {
+	func connect(id: UUID) throws(SSHError) {
 		guard !host.address.isEmpty else { throw .connectionFailed("No address to connect to.") }
 		withAnimation { state = .connecting }
-		sessionID = UUID()
+		sessionID = id
 		
 		var verbosity: Int = 0
 //		var verbosity: Int = SSH_LOG_FUNCTIONS
@@ -139,6 +139,11 @@ class SSHHandler: @unchecked Sendable, ObservableObject {
 		return
 	}
 	
+	func reconnect() throws(ReconnectError) {
+		guard !connected else { throw .alreadyConnected }
+		go(id: sessionID!)
+	}
+	
 	func disconnect() {
 //		Task {
 			self.hostkeyChanged = false
@@ -359,7 +364,7 @@ class SSHHandler: @unchecked Sendable, ObservableObject {
 			return nil
 		}
 		
-		var buffer: [CChar] = Array(repeating: 0, count: 1024)
+		var buffer: [CChar] = Array(repeating: 0, count: 4096)
 		let nbytes = ssh_channel_read_nonblocking(channel, &buffer, UInt32(buffer.count), 0)
 		
 		guard nbytes > 0 else { return nil }

ShhShell/Terminal/SSHTerminalDelegate.swift

@@ -14,6 +14,8 @@ final class SSHTerminalDelegate: TerminalView, Sendable, @preconcurrency Termina
 	var handler: SSHHandler?
 	var hostsManager: HostsManager?
 	
+	var readTimer: Timer?
+	
 	public convenience init(frame: CGRect, handler: SSHHandler, hostsManager: HostsManager) {
 		self.init(frame: frame)
 		
@@ -97,19 +99,18 @@ final class SSHTerminalDelegate: TerminalView, Sendable, @preconcurrency Termina
 	}
 	
 	func startFeedLoop() {
-		Task {
+		guard readTimer == nil else { return }
-			guard let handler else { return }
+		readTimer = Timer(timeInterval: 0.01, repeats: true) { timer in
-			while checkShell(handler.state) {
+			Task(priority: .high) {
+				guard let handler = await self.handler else { return }
 				if let read = handler.readFromChannel() {
-					await MainActor.run {
+					Task { @MainActor in
 						self.feed(text: read)
 					}
-				} else {
-					try? await Task.sleep(nanoseconds: 10_000_000) //10ms
 				}
 			}
-			print("task end?")
 		}
+		RunLoop.main.add(readTimer!, forMode: .common)
 	}
 	
 	func applySelectedTheme() {

ShhShell/Views/Terminal/ShellView.swift

@@ -59,8 +59,9 @@ struct ShellView: View {
 				if !checkShell(handler.state) {
 					ZStack {
 						RoundedRectangle(cornerRadius: 25)
-							.fill(hostsManager.selectedTheme.foreground.suiColor.opacity(0.5))
+							.fill(hostsManager.selectedTheme.foreground.suiColor)
-							.blur(radius: 5)
+							.opacity(0.5)
+							.blur(radius: 2)
 							.shadow(color: hostsManager.selectedTheme.foreground.suiColor, radius: 5)
 						VStack {
 							HStack {
@@ -86,6 +87,8 @@ struct ShellView: View {
 						.padding(10)
 					}
 					.fixedSize()
+					.transition(.opacity)
+					.animation(.spring, value: checkShell(handler.state))
 				}
 			}
 		}