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Merge branch 'release/AddPubSubRedisMessagePipe'

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This commit is contained in:
Samuele Locatelli
2022-04-09 09:45:38 +02:00
parent 9822806a32 38f12b7d7e
commit 2f0ec40286
6 changed files with 394 additions and 2 deletions
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SteamWareLib/MessagePipe.cs
+153
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@@ -0,0 +1,153 @@
using StackExchange.Redis;
using System;
namespace SteamWare
{
/// <summary>
/// Classe gestione PubSub messaggi REDIS
/// </summary>
public class MessagePipe
{
#region Private Fields
private bool enableLog = false;
private IConnectionMultiplexer redis;
private IDatabase redisDb;
#endregion Private Fields
#region Protected Fields
/// <summary>
/// Obj x gestione log
/// </summary>
protected static NLog.Logger Log = NLog.LogManager.GetCurrentClassLogger();
#endregion Protected Fields
#region Public Constructors
/// <summary>
/// Init canale di comunicazione PubSub via REDIS
/// </summary>
/// <param name="channelName"></param>
/// <param name="enableLog"></param>
public MessagePipe(string channelName, bool enableLog = false)
{
_channel = channelName;
redis = memLayer.ML.connRedis;
redisDb = redis.GetDatabase();
this.enableLog = enableLog;
// aggiungo sottoscrittore
setupSubscriber();
}
#endregion Public Constructors
#region Public Events
/// <summary>
/// Messaggio veicolato dal canale
/// </summary>
public event EventHandler EA_NewMessage = delegate { };
#endregion Public Events
#region Private Properties
/// <summary>
/// Canale associato al gestore pipeline messaggi
/// </summary>
private string _channel { get; set; } = "";
#endregion Private Properties
#region Private Methods
private void setupSubscriber()
{
ISubscriber sub = redis.GetSubscriber();
//Subscribe to the channel named messages
sub.Subscribe(_channel, (channel, message) =>
{
Log.Trace($"ch {channel} | {message}");
// messaggio
PubSubEventArgs mea = new PubSubEventArgs(message);
// se qualcuno ascolta sollevo evento nuovo valore...
if (EA_NewMessage != null)
{
EA_NewMessage(this, mea);
}
});
Log.Info($"Subscribed {_channel}");
}
#endregion Private Methods
#region Public Methods
/// <summary>
/// Invio messaggio sul canale + salvataggio in cache REDIS
/// </summary>
/// <param name="memKey">Chiave REDIS x salvare valore</param>
/// <param name="message"></param>
public bool saveAndSendMessage(string memKey, string message)
{
bool answ = false;
// invio notifica tramite il canale richiesto
answ = sendMessage(message);
if (redisDb != null)
{
redisDb.StringSetAsync(memKey, message);
if (enableLog)
{
Log.Info($"Redis Cache Key: {memKey}");
}
}
return answ;
}
/// <summary>
/// Invio messaggio sul canale
/// </summary>
/// <param name="newMess"></param>
/// <returns></returns>
public bool sendMessage(string newMess)
{
bool answ = false;
ISubscriber sub = redis.GetSubscriber();
sub.Publish(_channel, newMess);
return answ;
}
#endregion Public Methods
}
/// <summary>
/// Evento messaggio PubSub Redis
/// </summary>
public class PubSubEventArgs : EventArgs
{
#region Public Constructors
/// <summary>
/// Costruttore
/// </summary>
/// <param name="messaggio"></param>
public PubSubEventArgs(string messaggio)
{
this.newMessage = messaggio;
}
#endregion Public Constructors
#region Public Properties
/// <summary>
/// Messaggio trasportato
/// </summary>
public string newMessage { get; set; } = "";
#endregion Public Properties
}
}
SteamWareLib/SteamWare.csproj
+1
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@@ -289,6 +289,7 @@
<Compile Include="log2note.cs" />
<Compile Include="logger.cs" />
<Compile Include="memLayer.cs" />
<Compile Include="MessagePipe.cs" />
<Compile Include="NetworkConnection.cs" />
<Compile Include="pdfUtils.cs" />
<Compile Include="reportGenObj.cs" />
TestBench/ControlExtensions.cs
+36
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@@ -0,0 +1,36 @@
using System;
using System.Windows.Forms;
namespace TestBench
{
/// <summary>
/// Helper gestione UITHread e deleghe
/// https://www.codeproject.com/Articles/37642/Avoiding-InvokeRequired
/// </summary>
internal static class ControlExtensions
{
#region Public Methods
public static void UIThread(this Control control, Action code)
{
if (control.InvokeRequired)
{
control.BeginInvoke(code);
return;
}
code.Invoke();
}
public static void UIThreadInvoke(this Control control, Action code)
{
if (control.InvokeRequired)
{
control.Invoke(code);
return;
}
code.Invoke();
}
#endregion Public Methods
}
}
TestBench/MainFOrm.Designer.cs
Generated
+97 -2
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@@ -90,8 +90,15 @@
this.label10 = new System.Windows.Forms.Label();
this.txtUser = new System.Windows.Forms.TextBox();
this.label9 = new System.Windows.Forms.Label();
this.tabPage8 = new System.Windows.Forms.TabPage();
this.btnStartSub = new System.Windows.Forms.Button();
this.txtMessaggio = new System.Windows.Forms.TextBox();
this.btnSendMessage = new System.Windows.Forms.Button();
this.txtChannelName = new System.Windows.Forms.TextBox();
this.label12 = new System.Windows.Forms.Label();
this.clockTimer = new System.Windows.Forms.Timer(this.components);
this.LogTimer = new System.Windows.Forms.Timer(this.components);
this.lblChannelLog = new System.Windows.Forms.Label();
this.groupBox1.SuspendLayout();
this.tabControl1.SuspendLayout();
this.tabPage1.SuspendLayout();
@@ -105,6 +112,7 @@
this.grpPublisher.SuspendLayout();
this.groupBox2.SuspendLayout();
this.tabPage7.SuspendLayout();
this.tabPage8.SuspendLayout();
this.SuspendLayout();
//
// groupBox1
@@ -278,11 +286,12 @@
this.tabControl1.Controls.Add(this.tabPage5);
this.tabControl1.Controls.Add(this.tabPage6);
this.tabControl1.Controls.Add(this.tabPage7);
this.tabControl1.Controls.Add(this.tabPage8);
this.tabControl1.Dock = System.Windows.Forms.DockStyle.Fill;
this.tabControl1.Location = new System.Drawing.Point(0, 0);
this.tabControl1.Name = "tabControl1";
this.tabControl1.SelectedIndex = 0;
this.tabControl1.Size = new System.Drawing.Size(776, 379);
this.tabControl1.Size = new System.Drawing.Size(776, 392);
this.tabControl1.TabIndex = 10;
//
// tabPage1
@@ -767,6 +776,70 @@
this.label9.TabIndex = 0;
this.label9.Text = "User";
//
// tabPage8
//
this.tabPage8.Controls.Add(this.lblChannelLog);
this.tabPage8.Controls.Add(this.btnStartSub);
this.tabPage8.Controls.Add(this.txtMessaggio);
this.tabPage8.Controls.Add(this.btnSendMessage);
this.tabPage8.Controls.Add(this.txtChannelName);
this.tabPage8.Controls.Add(this.label12);
this.tabPage8.Location = new System.Drawing.Point(4, 22);
this.tabPage8.Name = "tabPage8";
this.tabPage8.Padding = new System.Windows.Forms.Padding(3);
this.tabPage8.Size = new System.Drawing.Size(768, 366);
this.tabPage8.TabIndex = 7;
this.tabPage8.Text = "PubSub (REDIS)";
this.tabPage8.UseVisualStyleBackColor = true;
//
// btnStartSub
//
this.btnStartSub.Location = new System.Drawing.Point(619, 12);
this.btnStartSub.Name = "btnStartSub";
this.btnStartSub.Size = new System.Drawing.Size(141, 23);
this.btnStartSub.TabIndex = 5;
this.btnStartSub.Text = "Start Channel Sub";
this.btnStartSub.UseVisualStyleBackColor = true;
this.btnStartSub.Click += new System.EventHandler(this.btnStartSub_Click);
//
// txtMessaggio
//
this.txtMessaggio.Enabled = false;
this.txtMessaggio.Location = new System.Drawing.Point(103, 62);
this.txtMessaggio.Name = "txtMessaggio";
this.txtMessaggio.Size = new System.Drawing.Size(152, 20);
this.txtMessaggio.TabIndex = 4;
this.txtMessaggio.Text = "...";
this.txtMessaggio.TextChanged += new System.EventHandler(this.txtMessaggio_TextChanged);
//
// btnSendMessage
//
this.btnSendMessage.Enabled = false;
this.btnSendMessage.Location = new System.Drawing.Point(23, 62);
this.btnSendMessage.Name = "btnSendMessage";
this.btnSendMessage.Size = new System.Drawing.Size(74, 23);
this.btnSendMessage.TabIndex = 2;
this.btnSendMessage.Text = "Send";
this.btnSendMessage.UseVisualStyleBackColor = true;
this.btnSendMessage.Click += new System.EventHandler(this.btnSendMessage_Click);
//
// txtChannelName
//
this.txtChannelName.Location = new System.Drawing.Point(103, 14);
this.txtChannelName.Name = "txtChannelName";
this.txtChannelName.Size = new System.Drawing.Size(152, 20);
this.txtChannelName.TabIndex = 1;
this.txtChannelName.Text = "myTestChannel";
//
// label12
//
this.label12.AutoSize = true;
this.label12.Location = new System.Drawing.Point(20, 17);
this.label12.Name = "label12";
this.label12.Size = new System.Drawing.Size(77, 13);
this.label12.TabIndex = 0;
this.label12.Text = "Channel Name";
//
// clockTimer
//
this.clockTimer.Interval = 50;
@@ -777,11 +850,24 @@
this.LogTimer.Interval = 10;
this.LogTimer.Tick += new System.EventHandler(this.LogTimer_Tick);
//
// lblChannelLog
//
this.lblChannelLog.AutoSize = true;
this.lblChannelLog.BackColor = System.Drawing.Color.Black;
this.lblChannelLog.ForeColor = System.Drawing.Color.Yellow;
this.lblChannelLog.Location = new System.Drawing.Point(378, 65);
this.lblChannelLog.MaximumSize = new System.Drawing.Size(400, 300);
this.lblChannelLog.MinimumSize = new System.Drawing.Size(400, 300);
this.lblChannelLog.Name = "lblChannelLog";
this.lblChannelLog.Size = new System.Drawing.Size(400, 300);
this.lblChannelLog.TabIndex = 9;
this.lblChannelLog.Text = "log";
//
// MainForm
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(776, 379);
this.ClientSize = new System.Drawing.Size(776, 392);
this.Controls.Add(this.tabControl1);
this.Margin = new System.Windows.Forms.Padding(2);
this.Name = "MainForm";
@@ -810,6 +896,8 @@
this.groupBox2.PerformLayout();
this.tabPage7.ResumeLayout(false);
this.tabPage7.PerformLayout();
this.tabPage8.ResumeLayout(false);
this.tabPage8.PerformLayout();
this.ResumeLayout(false);
}
@@ -879,6 +967,13 @@
private System.Windows.Forms.Label lblOutUpdMan;
private System.Windows.Forms.Button btnReadUpdMan;
private System.Windows.Forms.Button btnDownload;
private System.Windows.Forms.TabPage tabPage8;
private System.Windows.Forms.Button btnStartSub;
private System.Windows.Forms.TextBox txtMessaggio;
private System.Windows.Forms.Button btnSendMessage;
private System.Windows.Forms.TextBox txtChannelName;
private System.Windows.Forms.Label label12;
private System.Windows.Forms.Label lblChannelLog;
}
}
TestBench/MainFOrm.cs
+106
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@@ -293,5 +293,111 @@ namespace TestBench
}
#endregion Private Methods
protected MessagePipe MPipeChannel = new MessagePipe("testCh");
protected bool pubSubEnabled = false;
private void btnStartSub_Click(object sender, EventArgs e)
{
pubSubEnabled = !pubSubEnabled;
btnStartSub.Text = pubSubEnabled ? "Stop PubSub" : "Start Sub";
btnSendMessage.Enabled = pubSubEnabled;
txtMessaggio.Enabled = pubSubEnabled;
// sistemo messaggio
if (pubSubEnabled)
{
// avvio un nuovo messaggePipe x il canale richiesto...
MPipeChannel = new MessagePipe(txtChannelName.Text, false);
MPipeChannel.EA_NewMessage += MPipeChannel_EA_NewMessage;
StringBuilder sb = new StringBuilder();
sb.AppendLine("--------------------------------------");
sb.AppendLine($" Start PubSub | {DateTime.Now:HH:mm:ss}");
sb.AppendLine("--------------------------------------");
logPubSubChannel = sb.ToString();
}
else
{
logWatchString = "";
logPubSubChannel = ".... waiting ....";
MPipeChannel.EA_NewMessage -= MPipeChannel_EA_NewMessage;
}
}
private void MPipeChannel_EA_NewMessage(object sender, EventArgs e)
{
// accodo messaggio...
PubSubEventArgs currArgs = (PubSubEventArgs)e;
StringBuilder sb = new StringBuilder();
sb.AppendLine($"{currArgs.newMessage} | RECEIVED: {DateTime.Now:HH:mm:ss.ffffff}");
logPubSubChannel = sb.ToString();
}
protected string testoMessaggio
{
get => $"SEND: {DateTime.Now:HH:mm:ss.ffffff} | {txtMessaggio.Text}";
}
private void btnSendMessage_Click(object sender, EventArgs e)
{
MPipeChannel.sendMessage(testoMessaggio);
}
private void txtMessaggio_TextChanged(object sender, EventArgs e)
{
MPipeChannel.sendMessage(testoMessaggio);
}
protected int nLine2show = 30;
/// <summary>
/// Effettua un trim della stringa al numero max di linee da mostrare a video
/// </summary>
/// <param name="newString"></param>
/// <returns></returns>
public string limitLine2show(string newString)
{
if (!string.IsNullOrEmpty(newString))
{
// se num righe superiore a limite trimmo...
if (newString.Split('\n').Length > nLine2show)
{
//int idx = newString.LastIndexOf('\r');
int idx = newString.LastIndexOf(Environment.NewLine);
newString = newString.Substring(0, idx);
}
}
return newString;
}
/// <summary>
/// Stringa corrente di log...
/// </summary>
protected string logWatchString { get; set; } = "";
/// <summary>
/// Logwatcher (in modalità "accodamento in testa" ultimi messaggi...)
/// </summary>
public string logPubSubChannel
{
get
{
return lblChannelLog.Text;
}
set
{
try
{
logWatchString = limitLine2show($"{value}{logWatchString}");
lblChannelLog.Text = logWatchString;
lblChannelLog.Refresh();
}
catch (Exception exc)
{
logger.lg.scriviLog($"Errore in esecuzione logWatcher{Environment.NewLine}--> {value}");
logger.lg.scriviLog($"{exc}");
}
}
}
}
}
TestBench/TestBench.csproj
+1
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@@ -85,6 +85,7 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="ControlExtensions.cs" />
<Compile Include="MainForm.cs">
<SubType>Form</SubType>
</Compile>