new: server tab process

lib/data/model/app/menu.dart

@@ -6,6 +6,7 @@ enum ServerTabMenuType {
   snippet,
   pkg,
   docker,
+  process,
   edit;
 
   IconData get icon {
@@ -20,6 +21,8 @@ enum ServerTabMenuType {
         return Icons.view_agenda;
       case ServerTabMenuType.edit:
         return Icons.edit;
+      case ServerTabMenuType.process:
+        return Icons.list_alt_outlined;
     }
   }
 
@@ -35,6 +38,8 @@ enum ServerTabMenuType {
         return 'Docker';
       case ServerTabMenuType.edit:
         return s.edit;
+      case ServerTabMenuType.process:
+        return s.process;
     }
   }
 

lib/data/model/app/shell_func.dart

@@ -0,0 +1,41 @@
+class AppShellFunc {
+  final String name;
+  final String cmd;
+  final String flag;
+
+  const AppShellFunc(this.name, this.cmd, this.flag);
+}
+
+typedef AppShellFuncs = List<AppShellFunc>;
+
+extension AppShellFuncsExt on AppShellFuncs {
+  String get generate {
+    final sb = StringBuffer();
+    // Write each func
+    for (final func in this) {
+      sb.write('''
+${func.name}() {
+${func.cmd}
+}
+
+''');
+    }
+
+    // Write switch case
+    sb.write('case \$1 in\n');
+    for (final func in this) {
+      sb.write('''
+  '-${func.flag}')
+    ${func.name}
+    ;;
+''');
+    }
+    sb.write('''
+  *)
+    echo "Invalid argument \$1"
+    ;;
+esac
+''');
+    return sb.toString();
+  }
+}

lib/data/provider/server.dart

@@ -240,7 +240,8 @@ class ServerProvider extends BusyProvider {
 
       if (s.client == null) return;
       // run script to get server status
-      raw = await s.client!.run("sh $shellPath").string;
+      raw =
+          await s.client!.run("sh $shellPath -${shellFuncStatus.flag}").string;
       segments = raw.split(seperator).map((e) => e.trim()).toList();
       if (raw.isEmpty || segments.length != CmdType.values.length) {
         s.state = ServerState.failed;

lib/data/res/server_cmd.dart

@@ -1,3 +1,4 @@
+import '../model/app/shell_func.dart';
 import 'build_data.dart';
 
 const seperator = 'SrvBox';
@@ -36,11 +37,37 @@ const _cmdList = [
   'cat /etc/redhat-release',
 ];
 
+final shellFuncStatus = AppShellFunc(
+  'status',
+  _cmdList.join('\necho $seperator\n'),
+  's',
+);
+
+// Check if `htop` is installed.
+// Then app open SSH term and use `htop` or `ps` to see process.
+const shellFuncProcess = AppShellFunc(
+  'process',
+  '''
+if command -v htop &> /dev/null
+then
+  htop
+else
+  top 
+fi
+''',
+  'p',
+);
+
+final _generated = [
+  shellFuncStatus,
+  shellFuncProcess,
+].generate;
+
 final shellCmd = """
-# Script for app `${BuildData.name} v${BuildData.build}`
+# Script for app `${BuildData.name} v1.0.${BuildData.build}`
 # Delete this file while app is running will cause app crash
 
-${_cmdList.join('\necho $seperator\n')}
+$_generated
 """;
 
 final installShellCmd = "mkdir -p $serverBoxDir && "