Add browser support with Socket.io transport, authentication, performance-optimized IPC, and CI/CD (#925)

events/EventSystem/IpcMainEventBus.ts

@@ -1,24 +1,54 @@
-import { IpcMain } from 'electron'
+import { IpcMain, WebContents } from 'electron'
 import { Event } from '../Events'
 import { EventBusInterface } from './EventBusInterface'
 
 export class IpcMainEventBus implements EventBusInterface {
   private ipc: IpcMain
-  private client: any
+  private clients: Map<number, WebContents> = new Map() // webContentsId -> WebContents
+  private connectionOwners: Map<string, number> = new Map() // connectionId -> webContentsId
+  private currentClient: WebContents | undefined
+  
   constructor(ipc: IpcMain) {
     this.ipc = ipc
   }
 
   public subscribe<MessageType>(subscribeEvent: Event<MessageType>, callback: (msg: MessageType) => void) {
-    console.log('subscribing', subscribeEvent.topic)
     this.ipc.on(subscribeEvent.topic, (event: any, arg: any) => {
-      this.client = event.sender
+      const sender = event.sender as WebContents
+      this.currentClient = sender
+      
+      // Track the client (O(1) operation)
+      if (!this.clients.has(sender.id)) {
+        this.clients.set(sender.id, sender)
+        
+        // Clean up when window is closed
+        sender.once('destroyed', () => {
+          this.clients.delete(sender.id)
+          
+          // Clean up owned connections
+          for (const [connectionId, webContentsId] of this.connectionOwners.entries()) {
+            if (webContentsId === sender.id) {
+              this.connectionOwners.delete(connectionId)
+            }
+          }
+        })
+      }
+      
+      // Track connection ownership
+      if (subscribeEvent.topic === 'connection/add/mqtt' && arg?.id) {
+        this.connectionOwners.set(arg.id, sender.id)
+      }
+      
+      // Remove connection ownership
+      if (subscribeEvent.topic === 'connection/remove' && typeof arg === 'string') {
+        this.connectionOwners.delete(arg)
+      }
+      
       callback(arg)
     })
   }
 
   public unsubscribeAll<MessageType>(event: Event<MessageType>) {
-    console.log('unsubscribeAll', event.topic)
     this.ipc.removeAllListeners(event.topic)
   }
 
@@ -27,8 +57,44 @@ export class IpcMainEventBus implements EventBusInterface {
   }
 
   public emit<MessageType>(event: Event<MessageType>, msg: MessageType) {
-    if (!this.client.isDestroyed()) {
-      this.client.send(event.topic, msg)
+    const topic = event.topic
+    
+    // RPC responses go only to the requesting client
+    if (topic.includes('/response/')) {
+      if (this.currentClient && !this.currentClient.isDestroyed()) {
+        this.currentClient.send(topic, msg)
+      }
+      return
     }
+    
+    // Connection-specific events - optimized with early pattern match
+    if (topic.startsWith('conn/')) {
+      const parts = topic.split('/')
+      let connectionId: string | undefined
+      
+      if (parts.length === 2) {
+        connectionId = parts[1]
+      } else if (parts.length === 3 && (parts[1] === 'state' || parts[1] === 'publish')) {
+        connectionId = parts[2]
+      }
+      
+      if (connectionId) {
+        const ownerWebContentsId = this.connectionOwners.get(connectionId)
+        if (ownerWebContentsId !== undefined) {
+          const ownerClient = this.clients.get(ownerWebContentsId)
+          if (ownerClient && !ownerClient.isDestroyed()) {
+            ownerClient.send(topic, msg)
+            return
+          }
+        }
+      }
+    }
+    
+    // All other events go to all clients
+    this.clients.forEach(client => {
+      if (!client.isDestroyed()) {
+        client.send(topic, msg)
+      }
+    })
   }
 }