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feat: enable subscription logic for messengers

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In order to help control traffic over the websocket, a subscription feature has been added:
* A config option, `enableMessengerSubscriptions` has been added
* When true, the MessengerBase class will assume that any message sent using the `PostStatusMessage` that has a valid client ID wants to send any subsequent unsolicited updates to that same client
* The client's ID will be added a list of subscribed client IDs
* Any subsequent messages sent using the `PostStatusMessage` methods that have a null clientId will ONLY be sent to subscribed clients
* When a client disconnects, it will be removed from the list of subscribed clients

This should cut down drastically on the traffic to the UI, especially when combined with requesting partial status updates from a device rather than the entire state.
This commit is contained in:
Andrew Welker
2025-09-26 21:31:54 -05:00
parent 087d0a1149
commit bb694b4200
6 changed files with 239 additions and 9 deletions
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42
src/PepperDash.Essentials.MobileControl/WebSocketServer/MobileControlWebsocketServer.cs
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@@ -4,6 +4,8 @@ using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Security.Authentication;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using Crestron.SimplSharp;
using Crestron.SimplSharp.WebScripting;
@@ -35,6 +37,10 @@ namespace PepperDash.Essentials.WebSocketServer
private readonly string appConfigFileName = "_config.local.json";
private readonly string appConfigCsFileName = "_config.cs.json";
private const string certificateName = "selfCres";
private const string certificatePassword = "cres12345";
/// <summary>
/// Where the key is the join token and the value is the room key
/// </summary>
@@ -260,7 +266,41 @@ namespace PepperDash.Essentials.WebSocketServer
_server.OnPost += Server_OnPost;
}
_server.Log.Output = (data, level) => this.LogInformation("WebSocket Server Log [{level}]: {data}", level, data);
if (_parent.Config.DirectServer.Secure)
{
this.LogInformation("Adding SSL Configuration to server");
_server.SslConfiguration = new ServerSslConfiguration(new X509Certificate2($"\\user\\{certificateName}.pfx", certificatePassword))
{
ClientCertificateRequired = false,
CheckCertificateRevocation = false,
EnabledSslProtocols = SslProtocols.Tls12 | SslProtocols.Tls11
};
}
_server.Log.Output = (data, message) =>
{
switch (data.Level)
{
case LogLevel.Trace:
this.LogVerbose(data.Message);
break;
case LogLevel.Debug:
this.LogDebug(data.Message);
break;
case LogLevel.Info:
this.LogInformation(data.Message);
break;
case LogLevel.Warn:
this.LogWarning(data.Message);
break;
case LogLevel.Error:
this.LogError(data.Message);
break;
case LogLevel.Fatal:
this.LogFatal(data.Message);
break;
}
};
CrestronEnvironment.ProgramStatusEventHandler += CrestronEnvironment_ProgramStatusEventHandler;