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<refactor> 性能优化

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nsnail 2022-12-02 23:07:25 +08:00
parent 0aff7fc1eb
commit c9a60c7458
7 changed files with 138 additions and 200 deletions
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4
dot.sln.DotSettings
View File

@ -1,7 +1,6 @@
<wpf:ResourceDictionary xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:s="clr-namespace:System;assembly=mscorlib"
xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xml:space="preserve">
xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xml:space="preserve">
<s:String x:Key="/Default/CodeStyle/CSharpFileLayoutPatterns/Pattern/@EntryValue">&lt;?xml version="1.0" encoding="utf-16"?&gt;
&lt;Patterns xmlns="urn:schemas-jetbrains-com:member-reordering-patterns"&gt;
&lt;TypePattern&gt;
@ -11,6 +10,7 @@
&lt;Kind.Order&gt;
&lt;DeclarationKind&gt;Interface&lt;/DeclarationKind&gt;
&lt;DeclarationKind&gt;Class&lt;/DeclarationKind&gt;
&lt;DeclarationKind&gt;Record&lt;/DeclarationKind&gt;
&lt;DeclarationKind&gt;Enum&lt;/DeclarationKind&gt;
&lt;DeclarationKind&gt;Struct&lt;/DeclarationKind&gt;
&lt;DeclarationKind&gt;Delegate&lt;/DeclarationKind&gt;

9
src/Lang/Str.Designer.cs generated
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@ -275,6 +275,15 @@ namespace Dot.Lang {
}
}
/// <summary>
/// Looks up a localized string similar to NTP 标准网络时钟: {0}.
/// </summary>
public static string ServerTime {
get {
return ResourceManager.GetString("ServerTime", resourceCulture);
}
}
/// <summary>
/// Looks up a localized string similar to 已读取：{0}/{1}，处理：{2}，跳过：{3}.
/// </summary>

116
src/Lang/Str.en-US.resx
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@ -1,116 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<root>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"
id="root" xmlns="">
<xsd:element name="root" msdata:IsDataSet="true"></xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>1.3</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089
</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089
</value>
</resheader>
<data name="InputTextIsEmpty" xml:space="preserve">
<value>The input text is empty</value>
</data>
<data name="SearchingFile" xml:space="preserve">
<value>Find files...</value>
</data>
<data name="PathNotFound" xml:space="preserve">
<value>The specified path "{0}" does not exist</value>
</data>
<data name="SearchingFileOK" xml:space="preserve">
<value>Find files...OK</value>
</data>
<data name="ShowMessageTemp" xml:space="preserve">
<value>Read: {0}/{1}, processed: {2}, skipped: {3}</value>
</data>
<data name="HelpForText" xml:space="preserve">
<value>Text encoding tool</value>
</data>
<data name="Copied" xml:space="preserve">
<value>{0}(copied to clipboard)</value>
</data>
<data name="FileSearchPattern" xml:space="preserve">
<value>File wildcards</value>
</data>
<data name="FolderPath" xml:space="preserve">
<value>Directory path to be processed</value>
</data>
<data name="ConvertEndOfLineToLF" xml:space="preserve">
<value>Convert newline characters to LF</value>
</data>
<data name="GuidTool" xml:space="preserve">
<value>GUID tool</value>
</data>
<data name="UseUppercase" xml:space="preserve">
<value>Use uppercase output</value>
</data>
<data name="RandomPasswordGenerator" xml:space="preserve">
<value>Random password generator</value>
</data>
<data name="PwdLength" xml:space="preserve">
<value>Password length</value>
</data>
<data name="PwdGenerateTypes" xml:space="preserve">
<value>BitSet 1：[0-9]，2：[a-z]，4：[A-Z]，8：[ascii.0x21-0x2F]</value>
</data>
<data name="RemoveTrailingWhiteSpaces" xml:space="preserve">
<value>Remove line breaks and spaces at the end of the file</value>
</data>
<data name="TrimUtf8Bom" xml:space="preserve">
<value>Remove the uf8 bom of the file</value>
</data>
<data name="TextTobeProcessed" xml:space="preserve">
<value>Text to be processed (clipboard value is taken by default)</value>
</data>
<data name="PressAnyKey" xml:space="preserve">
<value>Press any key to continue...</value>
</data>
<data name="ReadOnly" xml:space="preserve">
<value>Read-only mode (only for testing, no actual modification)</value>
</data>
<data name="NoFileToBeProcessed" xml:space="preserve">
<value>No documents to be processed</value>
</data>
<data name="TimeoutMillSecs" xml:space="preserve">
<value>Timeout for connecting to the NTP server (milliseconds)</value>
</data>
<data name="SyncToLocalTime" xml:space="preserve">
<value>Synchronize local time</value>
</data>
<data name="NtpReceiveDone" xml:space="preserve">
<value>Success {0}/{1}, the average value of the clock offset of the machine:{2}ms</value>
</data>
<data name="NtpServerCount" xml:space="preserve">
<value>{0}/{1} NTP servers</value>
</data>
<data name="NtpCalling" xml:space="preserve">
<value>{0} In communication...</value>
</data>
<data name="LocalTimeOffset" xml:space="preserve">
<value>{0}, local clock offset: {1} ms</value>
</data>
<data name="LocalTimeSyncDone" xml:space="preserve">
<value>Local time has been synchronized</value>
</data>
<data name="Server" xml:space="preserve">
<value>Server</value>
</data>
<data name="Status" xml:space="preserve">
<value>Status</value>
</data>
<data name="LocalClockOffset" xml:space="preserve">
<value>Local clock offset</value>
</data>
</root>

3
src/Lang/Str.resx
View File

@ -122,4 +122,7 @@
<data name="LocalClockOffset" xml:space="preserve">
<value>Local clock offset</value>
</data>
<data name="ServerTime" xml:space="preserve">
<value>NTP 标准网络时钟: {0}</value>
</data>
</root>

178
src/Time/Main.cs
View File

@ -1,3 +1,4 @@
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Net.Sockets;
using System.Runtime.InteropServices;
@ -6,6 +7,13 @@ namespace Dot.Time;
public sealed class Main : Tool<Option>
{
private record Server
{
public int ConsoleRowIndex;
public TimeSpan Offset;
public ServerStatues Status;
}
private enum ServerStatues : byte
{
Ready
@ -29,39 +37,74 @@ public sealed class Main : Tool<Option>
private const int _MAX_DEGREE_OF_PARALLELISM = 10;
private const int _NTP_PORT = 123;
private readonly char[] _loading = { '-', '\\', '|', '/' };
private const string _OUTPUT_TEMP = "{0,-30} {1,20} {2,20}";
private static readonly object _lockObj = new();
private int _procedCnt;
private readonly int _serverCnt;
private readonly Dictionary<string, Server> _serverDictionary;
private readonly string[] _serverDomains = {
"ntp.ntsc.ac.cn", "cn.ntp.org.cn", "edu.ntp.org.cn"
, "cn.pool.ntp.org", "time.pool.aliyun.com", "time1.aliyun.com"
, "time2.aliyun.com", "time3.aliyun.com", "time4.aliyun.com"
, "time5.aliyun.com", "time6.aliyun.com", "time7.aliyun.com"
, "time1.cloud.tencent.com", "time2.cloud.tencent.com"
, "time3.cloud.tencent.com", "time4.cloud.tencent.com"
, "time5.cloud.tencent.com", "ntp.sjtu.edu.cn", "ntp.neu.edu.cn"
, "ntp.bupt.edu.cn", "ntp.shu.edu.cn", "pool.ntp.org", "0.pool.ntp.org"
, "1.pool.ntp.org", "2.pool.ntp.org", "3.pool.ntp.org"
private readonly string[] _srvAddr = {
"ntp.ntsc.ac.cn", "cn.ntp.org.cn", "edu.ntp.org.cn", "cn.pool.ntp.org"
, "time.pool.aliyun.com", "time1.aliyun.com", "time2.aliyun.com"
, "time3.aliyun.com", "time4.aliyun.com", "time5.aliyun.com"
, "time6.aliyun.com", "time7.aliyun.com", "time1.cloud.tencent.com"
, "time2.cloud.tencent.com", "time3.cloud.tencent.com"
, "time4.cloud.tencent.com", "time5.cloud.tencent.com", "ntp.sjtu.edu.cn"
, "ntp.neu.edu.cn", "ntp.bupt.edu.cn", "ntp.shu.edu.cn", "pool.ntp.org"
, "0.pool.ntp.org", "1.pool.ntp.org", "2.pool.ntp.org", "3.pool.ntp.org"
, "asia.pool.ntp.org", "time1.google.com", "time2.google.com"
, "time3.google.com", "time4.google.com", "time.apple.com"
, "time1.apple.com", "time2.apple.com", "time3.apple.com"
, "time4.apple.com", "time5.apple.com", "time6.apple.com"
, "time7.apple.com", "time.windows.com", "time.nist.gov"
, "time-nw.nist.gov", "time-a.nist.gov", "time-b.nist.gov"
, "stdtime.gov.hk"
, "time3.google.com", "time4.google.com", "time.apple.com", "time1.apple.com"
, "time2.apple.com", "time3.apple.com", "time4.apple.com", "time5.apple.com"
, "time6.apple.com", "time7.apple.com", "time.windows.com", "time.nist.gov"
, "time-nw.nist.gov", "time-a.nist.gov", "time-b.nist.gov", "stdtime.gov.hk"
};
private readonly Dictionary<string, Server> _srvStatus;
private int _successCnt;
public Main(Option opt) : base(opt)
{
_serverCnt = _serverDomains.Length;
_serverDictionary = _serverDomains.ToDictionary(x => x, _ => new Server { Status = ServerStatues.Ready });
_serverCnt = _srvAddr.Length;
var i = 0;
_srvStatus = _srvAddr.ToDictionary(
x => x, _ => new Server { Status = ServerStatues.Ready, ConsoleRowIndex = ++i });
}
private static void ChangeStatus(KeyValuePair<string, Server> server, ServerStatues status
, TimeSpan offset = default)
{
server.Value.Status = status;
server.Value.Offset = offset;
DrawTextInConsole(0, server.Value.ConsoleRowIndex
, string.Format(_OUTPUT_TEMP, server.Key, server.Value.Status
, status == ServerStatues.Succeed ? server.Value.Offset : string.Empty));
}
private async Task DrawLoading()
{
char[] loading = { '-', '\\', '|', '/' };
var loadingIndex = 0;
while (true) {
if (Volatile.Read(ref _procedCnt) == _serverCnt) break;
await Task.Delay(100);
++loadingIndex;
for (var i = 0; i != _serverCnt; ++i)
DrawTextInConsole(
34, i + 1
, _srvStatus[_srvAddr[i]].Status is ServerStatues.Succeed or ServerStatues.Failed
? " "
: loading[loadingIndex % 4].ToString());
}
Debug.WriteLine(Environment.CurrentManagedThreadId + ":" + DateTime.Now.ToString("O"));
}
private static void DrawTextInConsole(int left, int top, string text)
{
lock (_lockObj) {
Console.SetCursorPosition(left, top);
Console.Write(text);
}
}
@ -102,30 +145,35 @@ public sealed class Main : Tool<Option>
}
}
private async void Printing()
private void PrintTemplate()
{
const string outputTemp = "{0,-30}\t{1}\t{2,20}\t{3,20}";
var rolling = 0;
Console.Clear();
while (true) {
await Task.Delay(100);
Console.SetCursorPosition(0, 0);
Console.CursorVisible = false;
var row = //
_serverDictionary.Select(x //
=> string.Format(outputTemp, x.Key
, x.Value.Status == ServerStatues.Connecting
? _loading[++rolling % 4]
: ' ', x.Value.Status
, x.Value.Offset == TimeSpan.Zero
? string.Empty
: x.Value.Offset));
_srvStatus.Select(x //
=> string.Format(_OUTPUT_TEMP, x.Key, x.Value.Status
, x.Value.Offset == TimeSpan.Zero ? string.Empty : x.Value.Offset));
Console.WriteLine(outputTemp, Str.Server, ' ', Str.Status, Str.LocalClockOffset);
Console.WriteLine(_OUTPUT_TEMP, Str.Server, Str.Status, Str.LocalClockOffset);
Console.WriteLine(string.Join(Environment.NewLine, row));
if (_procedCnt == _serverCnt) break;
}
private ValueTask ServerHandle(KeyValuePair<string, Server> server)
{
ChangeStatus(server, ServerStatues.Connecting);
var offset = GetNtpOffset(server.Key);
Interlocked.Increment(ref _procedCnt);
if (offset == TimeSpan.Zero) {
ChangeStatus(server, ServerStatues.Failed);
}
else {
Interlocked.Increment(ref _successCnt);
ChangeStatus(server, ServerStatues.Succeed, offset);
}
return ValueTask.CompletedTask;
}
@ -147,48 +195,42 @@ public sealed class Main : Tool<Option>
SetLocalTime(timeToSet);
}
[SuppressMessage("ReSharper", "AccessToDisposedClosure")]
public override async Task Run()
{
var tPrinting = Task.Run(Printing);
PrintTemplate();
var tLoading = DrawLoading();
await Parallel.ForEachAsync(_serverDictionary
await Parallel.ForEachAsync(_srvStatus
, new ParallelOptions { MaxDegreeOfParallelism = _MAX_DEGREE_OF_PARALLELISM }
, (server, _) => {
server.Value.Status = ServerStatues.Connecting;
var offset = GetNtpOffset(server.Key);
, (server, _) => ServerHandle(server));
Interlocked.Increment(ref _procedCnt);
await tLoading;
if (offset == TimeSpan.Zero) {
server.Value.Status = ServerStatues.Failed;
}
else {
server.Value.Status = ServerStatues.Succeed;
Interlocked.Increment(ref _successCnt);
server.Value.Offset = offset;
}
return ValueTask.CompletedTask;
});
tPrinting.Wait();
var avgOffset = TimeSpan.FromTicks((long)_serverDictionary //
var avgOffset = TimeSpan.FromTicks((long)_srvStatus //
.Where(x => x.Value.Status == ServerStatues.Succeed)
.Average(x => x.Value.Offset.Ticks));
Console.SetCursorPosition(0, _serverCnt + 1);
Console.WriteLine(Str.NtpReceiveDone, _successCnt, _serverCnt, avgOffset.TotalMilliseconds);
if (!Opt.Sync) return;
Console.WriteLine();
if (!Opt.Sync) {
var _ = Task.Run(async () => {
while (true) {
await Task.Delay(100);
Console.SetCursorPosition(0, Console.GetCursorPosition().Top);
Console.Write(Str.ServerTime, (DateTime.Now - avgOffset).ToString("O"));
Console.Write(@", {0}", Str.PressAnyKey);
}
// ReSharper disable once FunctionNeverReturns
});
Console.ReadKey();
return;
}
SetSysteTime(DateTime.Now - avgOffset);
Console.WriteLine(Str.LocalTimeSyncDone);
}
private record Server
{
public TimeSpan Offset;
public ServerStatues Status;
}
}

2
src/Time/Option.cs
View File

@ -6,6 +6,6 @@ public class Option : IOption
[Option('s', "sync", HelpText = nameof(Str.SyncToLocalTime), Default = false, ResourceType = typeof(Str))]
public bool Sync { get; set; }
[Option('t', "timeout", HelpText = nameof(Str.TimeoutMillSecs), Default = 3000, ResourceType = typeof(Str))]
[Option('t', "timeout", HelpText = nameof(Str.TimeoutMillSecs), Default = 2000, ResourceType = typeof(Str))]
public int Timeout { get; set; }
}