| import SwiftUI |
| import AppKit |
| import SwiftTerm |
|
|
| |
| |
| @MainActor final class ARCConsole:NSObject,ObservableObject,@preconcurrency LocalProcessTerminalViewDelegate { |
| @Published var running=false |
| @Published var session="No session" |
| let view=LocalProcessTerminalView(frame:NSRect(x:0,y:0,width:1000,height:500),font:NSFont.monospacedSystemFont(ofSize:14,weight:.regular),options:TerminalOptions(scrollback:5000)) |
| override init(){super.init();view.processDelegate=self;view.feed(text:"Connect to ARC, then choose Start login terminal.\r\n")} |
| static func request(_ p:Profile)throws->String { |
| try p.validate() |
| return "exec env TERM=xterm-256color bash -il" |
| } |
| func start(profile:Profile,ssh:[String],target:String)throws { |
| guard !running else{return} |
| let command=try Self.request(profile) |
| var env=ProcessInfo.processInfo.environment;env["TERM"]="xterm-256color" |
| view.feed(text:"\r\nConnecting to login node \(target)\r\nLogin node is not for compute intensive jobs.\r\n") |
| view.startProcess(executable:"/usr/bin/ssh",args:ssh+["-o","BatchMode=yes","-tt",target,"bash -lc "+shellQuote(command)],environment:env.map{"\($0.key)=\($0.value)"}) |
| guard view.process.running else{throw Failure(message:"Unable to start SSH terminal.")} |
| running=true;session="\(target) · login-node shell";view.window?.makeFirstResponder(view) |
| } |
| func write(_ text:String){guard running else{return};view.send(txt:text)} |
| func stop(){guard running else{return};view.terminate();session="Closing SSH session…"} |
| func sizeChanged(source:LocalProcessTerminalView,newCols:Int,newRows:Int){} |
| func setTerminalTitle(source:LocalProcessTerminalView,title:String){} |
| func hostCurrentDirectoryUpdate(source:TerminalView,directory:String?){} |
| func processTerminated(source:TerminalView,exitCode:Int32?){running=false;session="Session ended (SSH exit \(exitCode.map(String.init) ?? "unknown"))";view.feed(text:"\r\n[\(session)]\r\n")} |
| } |
|
|
| struct NativeTerminal:NSViewRepresentable { |
| @ObservedObject var console:ARCConsole |
| let dark:Bool |
| func makeNSView(context:Context)->LocalProcessTerminalView{configure();return console.view} |
| func updateNSView(_ view:LocalProcessTerminalView,context:Context){configure()} |
| private func configure(){ |
| console.view.nativeForegroundColor=dark ? .white:.black |
| console.view.nativeBackgroundColor=dark ? NSColor(calibratedWhite:0.04,alpha:1):.white |
| } |
| } |
|
|
