feat: display cpu model (#477)

lib/data/model/app/shell_func.dart

@@ -192,6 +192,7 @@ enum StatusCmdType {
       'for f in /sys/class/power_supply/*/uevent; do cat "\$f"; echo; done'),
   nvidia._('nvidia-smi -q -x'),
   sensors._('sensors'),
+  cpuBrand._('cat /proc/cpuinfo | grep "model name"'),
   ;
 
   final String cmd;
@@ -210,6 +211,7 @@ enum BSDStatusCmdType {
   mem._('top -l 1 | grep PhysMem'),
   //temp,
   host._('hostname'),
+  cpuBrand._('sysctl -n machdep.cpu.brand_string'),
   ;
 
   final String cmd;

lib/data/model/server/cpu.dart

@@ -4,11 +4,14 @@ import 'package:fl_chart/fl_chart.dart';
 import 'package:server_box/data/model/server/time_seq.dart';
 import 'package:server_box/data/res/status.dart';
 
+/// Capacity of the FIFO queue
 const _kCap = 30;
 
 class Cpus extends TimeSeq<List<SingleCpuCore>> {
   Cpus(super.init1, super.init2);
 
+  final Map<String, int> brand = {};
+
   @override
   void onUpdate() {
     _coresCount = now.length;
@@ -175,6 +178,22 @@ class SingleCpuCore extends TimeSeqIface<SingleCpuCore> {
   }
 }
 
+final class CpuBrand {
+  static Map<String, int> parse(String raw) {
+    final lines = raw.split('\n');
+    // {brand: count}
+    final brands = <String, int>{};
+    for (var line in lines) {
+      if (line.contains('model name')) {
+        final model = line.split(':').last.trim();
+        final count = brands[model] ?? 0;
+        brands[model] = count + 1;
+      }
+    }
+    return brands;
+  }
+}
+
 final _bsdCpuPercentReg = RegExp(r'(\d+\.\d+)%');
 
 /// TODO: Change this implementation to parse cpu status on BSD system

lib/data/model/server/server_status_update_req.dart

@@ -71,6 +71,9 @@ Future<ServerStatus> _getLinuxStatus(ServerStatusUpdateReq req) async {
   try {
     final cpus = SingleCpuCore.parse(StatusCmdType.cpu.find(segments));
     req.ss.cpu.update(cpus);
+    final brand = CpuBrand.parse(StatusCmdType.cpuBrand.find(segments));
+    req.ss.cpu.brand.clear();
+    req.ss.cpu.brand.addAll(brand);
   } catch (e, s) {
     Loggers.app.warning(e, s);
   }