From 8aa9c8c6b7480d3b2c0e702b7c66e1ae1a130f5d Mon Sep 17 00:00:00 2001 From: Samuele Locatelli Date: Fri, 8 Apr 2022 19:14:37 +0200 Subject: [PATCH] Aggiunta preliminare MessagePipe --- SteamWareLib/MessagePipe.cs | 153 +++++++++++++++++++++++++++++++++ SteamWareLib/SteamWare.csproj | 1 + TestBench/MainFOrm.Designer.cs | 92 ++++++++++++++++++++ TestBench/MainFOrm.cs | 41 +++++++++ 4 files changed, 287 insertions(+) create mode 100644 SteamWareLib/MessagePipe.cs diff --git a/SteamWareLib/MessagePipe.cs b/SteamWareLib/MessagePipe.cs new file mode 100644 index 0000000..5b18700 --- /dev/null +++ b/SteamWareLib/MessagePipe.cs @@ -0,0 +1,153 @@ +using StackExchange.Redis; +using System; + +namespace SteamWare +{ + /// + /// Classe gestione PubSub messaggi REDIS + /// + public class MessagePipe + { + #region Private Fields + + private bool enableLog = false; + private IConnectionMultiplexer redis; + private IDatabase redisDb; + + #endregion Private Fields + + #region Protected Fields + + /// + /// Obj x gestione log + /// + protected static NLog.Logger Log = NLog.LogManager.GetCurrentClassLogger(); + + #endregion Protected Fields + + #region Public Constructors + + /// + /// Init canale di comunicazione PubSub via REDIS + /// + /// + /// + 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 + + /// + /// Messaggio veicolato dal canale + /// + public event EventHandler EA_NewMessage = delegate { }; + + #endregion Public Events + + #region Private Properties + + /// + /// Canale associato al gestore pipeline messaggi + /// + 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 + + /// + /// Invio messaggio sul canale + salvataggio in cache REDIS + /// + /// Chiave REDIS x salvare valore + /// + 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; + } + + /// + /// Invio messaggio sul canale + /// + /// + /// + public bool sendMessage(string newMess) + { + bool answ = false; + ISubscriber sub = redis.GetSubscriber(); + sub.Publish(_channel, newMess); + return answ; + } + + #endregion Public Methods + } + + /// + /// Evento messaggio PubSub Redis + /// + public class PubSubEventArgs : EventArgs + { + #region Public Constructors + + /// + /// Costruttore + /// + /// + public PubSubEventArgs(string messaggio) + { + this.newMessage = messaggio; + } + + #endregion Public Constructors + + #region Public Properties + + /// + /// Messaggio trasportato + /// + public string newMessage { get; set; } = ""; + + #endregion Public Properties + } +} \ No newline at end of file diff --git a/SteamWareLib/SteamWare.csproj b/SteamWareLib/SteamWare.csproj index cfe1855..6bcff6e 100644 --- a/SteamWareLib/SteamWare.csproj +++ b/SteamWareLib/SteamWare.csproj @@ -289,6 +289,7 @@ + diff --git a/TestBench/MainFOrm.Designer.cs b/TestBench/MainFOrm.Designer.cs index 0b116c2..c49ccf6 100644 --- a/TestBench/MainFOrm.Designer.cs +++ b/TestBench/MainFOrm.Designer.cs @@ -92,6 +92,13 @@ this.label9 = new System.Windows.Forms.Label(); this.clockTimer = new System.Windows.Forms.Timer(this.components); this.LogTimer = new System.Windows.Forms.Timer(this.components); + this.tabPage8 = new System.Windows.Forms.TabPage(); + this.label12 = new System.Windows.Forms.Label(); + this.txtChannelName = new System.Windows.Forms.TextBox(); + this.btnSendMessage = new System.Windows.Forms.Button(); + this.txtMessaggio = new System.Windows.Forms.TextBox(); + this.btnStartSub = new System.Windows.Forms.Button(); + this.lblChannerReceive = 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 @@ -278,6 +286,7 @@ 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"; @@ -777,6 +786,80 @@ this.LogTimer.Interval = 10; this.LogTimer.Tick += new System.EventHandler(this.LogTimer_Tick); // + // tabPage8 + // + this.tabPage8.Controls.Add(this.lblChannerReceive); + 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, 353); + this.tabPage8.TabIndex = 7; + this.tabPage8.Text = "PubSub (REDIS)"; + this.tabPage8.UseVisualStyleBackColor = true; + // + // 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"; + // + // 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"; + // + // btnSendMessage + // + 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); + // + // txtMessaggio + // + 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); + // + // btnStartSub + // + this.btnStartSub.Location = new System.Drawing.Point(619, 17); + 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); + // + // lblChannerReceive + // + this.lblChannerReceive.AutoSize = true; + this.lblChannerReceive.BackColor = System.Drawing.Color.Black; + this.lblChannerReceive.ForeColor = System.Drawing.Color.Gold; + this.lblChannerReceive.Location = new System.Drawing.Point(360, 67); + this.lblChannerReceive.MinimumSize = new System.Drawing.Size(400, 100); + this.lblChannerReceive.Name = "lblChannerReceive"; + this.lblChannerReceive.Size = new System.Drawing.Size(400, 100); + this.lblChannerReceive.TabIndex = 6; + this.lblChannerReceive.Text = "..."; + // // MainForm // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); @@ -810,6 +893,8 @@ this.groupBox2.PerformLayout(); this.tabPage7.ResumeLayout(false); this.tabPage7.PerformLayout(); + this.tabPage8.ResumeLayout(false); + this.tabPage8.PerformLayout(); this.ResumeLayout(false); } @@ -879,6 +964,13 @@ 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 lblChannerReceive; } } diff --git a/TestBench/MainFOrm.cs b/TestBench/MainFOrm.cs index cfe7829..cd91784 100644 --- a/TestBench/MainFOrm.cs +++ b/TestBench/MainFOrm.cs @@ -293,5 +293,46 @@ namespace TestBench } #endregion Private Methods + + protected MessagePipe MPipeChannel = new MessagePipe("testCh"); + + private void btnStartSub_Click(object sender, EventArgs e) + { + // 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("--------------------------------------"); + lblChannelReceive.Text = sb.ToString(); + lblChannelReceive.Refresh(); + } + + 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}"); + string oldMess = lblChannelReceive.Text; + lblChannelReceive.Text = $"{sb.ToString()}{oldMess}"; + lblChannelReceive.Refresh(); + } + + 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); + } } } \ No newline at end of file