aljaz/flutter_server_box
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opt.: display total disk space on server tab

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lollipopkit
2024-03-06 15:31:54 +08:00
parent 4e6ea086e3
commit fc00b4b961
5 changed files with 46 additions and 58 deletions
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84
lib/data/model/server/disk.dart
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@@ -1,3 +1,4 @@
import 'package:toolbox/core/extension/listx.dart';
import 'package:toolbox/core/extension/numx.dart';
import 'package:toolbox/data/model/server/time_seq.dart';
@@ -20,12 +21,6 @@ class Disk {
required this.avail,
});
/// raw:
/// ```
/// Filesystem 1K-blocks Used Available Use% Mounted on
/// overlay 959122528 154470540 755857572 17% /
/// tmpfs 65536 0 65536 0% /dev
/// ```
static List<Disk> parse(String raw) {
final list = <Disk>[];
final items = raw.split('\n');
@@ -66,22 +61,16 @@ class DiskIO extends TimeSeq<DiskIOPiece> {
@override
void onUpdate() {
cachedAllSpeed = _getAllSpeed();
}
(double?, double?) _getSpeed(String dev) {
final pres = this.pre.where(
(element) => element.dev == dev.replaceFirst('/dev/', ''),
);
final nows = this.now.where(
(element) => element.dev == dev.replaceFirst('/dev/', ''),
);
if (pres.isEmpty || nows.isEmpty) return (null, null);
final pre = pres.first;
final now = nows.first;
final sectorsRead = now.sectorsRead - pre.sectorsRead;
final sectorsWrite = now.sectorsWrite - pre.sectorsWrite;
final time = now.time - pre.time;
final old = pre.firstWhereOrNull((e) => e.dev == '/dev/$dev');
final new_ = now.firstWhereOrNull((e) => e.dev == '/dev/$dev');
if (old == null || new_ == null) return (null, null);
final sectorsRead = new_.sectorsRead - old.sectorsRead;
final sectorsWrite = new_.sectorsWrite - old.sectorsWrite;
final time = new_.time - old.time;
final read = sectorsRead / time * 512;
final write = sectorsWrite / time * 512;
return (read, write);
@@ -95,7 +84,8 @@ class DiskIO extends TimeSeq<DiskIOPiece> {
return (read, write);
}
(String?, String?) getAllSpeed() {
(String?, String?) cachedAllSpeed = (null, null);
(String?, String?) _getAllSpeed() {
if (pre.isEmpty || now.isEmpty) return (null, null);
var (read, write) = (0.0, 0.0);
for (var pre in pre) {
@@ -108,18 +98,6 @@ class DiskIO extends TimeSeq<DiskIOPiece> {
return (readStr, writeStr);
}
// Raw:
// 254 0 vda 584193 186416 40419294 845790 5024458 2028159 92899586 6997559 0 5728372 8143590 0 0 0 0 2006112 300240
// 254 1 vda1 584029 186416 40412734 845668 5024453 2028159 92899586 6997558 0 5728264 7843226 0 0 0 0 0 0
// 11 0 sr0 36 0 280 49 0 0 0 0 0 56 49 0 0 0 0 0 0
// 7 0 loop0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 1 loop1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 2 loop2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 3 loop3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 4 loop4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 5 loop5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 6 loop6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
// 7 7 loop7 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
static List<DiskIOPiece> parse(String raw, int time) {
final lines = raw.split('\n');
if (lines.isEmpty) return [];
@@ -163,25 +141,29 @@ class DiskIOPiece extends TimeSeqIface<DiskIOPiece> {
bool same(DiskIOPiece other) => dev == other.dev;
}
/// Issue 88
///
/// Due to performance issues,
/// if there is no `Disk.loc == '/' || Disk.loc == '/sysroot'`,
/// return the first [Disk] of [disks].
///
/// If we find out the biggest [Disk] of [disks],
/// the fps may lower than 60.
Disk? findRootDisk(List<Disk> disks) {
if (disks.isEmpty) return null;
final roots = disks.where((element) => element.mount == '/');
if (roots.isEmpty) {
final sysRoots = disks.where((element) => element.mount == '/sysroot');
if (sysRoots.isEmpty) {
return disks.first;
} else {
return sysRoots.first;
class DiskUsage {
final BigInt used;
final BigInt size;
DiskUsage({
required this.used,
required this.size,
});
double get usedPercent => used / size * 100;
/// Find all devs, add their used and size
static DiskUsage parse(List<Disk> disks) {
final devs = <String>{};
var used = BigInt.zero;
var size = BigInt.zero;
for (var disk in disks) {
if (!disk.dev.startsWith('/dev')) continue;
if (devs.contains(disk.dev)) continue;
devs.add(disk.dev);
used += disk.used;
size += disk.size;
}
} else {
return roots.first;
return DiskUsage(used: used, size: size);
}
}