Show socket transactions in iOS simulator with proxy

README.md

@@ -94,6 +94,13 @@ let ws = WebSocket("ws://url")
 ws.allowSelfSignedSSL = true
 ```
 
+## Show Socket Transaction in iOS Simulator with Proxy
+
+```swift
+let ws = WebSocket("ws://url")
+ws.allowProxyInSimulator = true
+```
+
 ## Network Services (VoIP, Video, Background, Voice)
 
 ```swift

Source/WebSocket.swift

@@ -534,6 +534,7 @@ private class InnerWebSocket: Hashable {
     var _subProtocol = ""
     var _compression = WebSocketCompression()
     var _allowSelfSignedSSL = false
+    var _allowProxyInSimulator = false
     var _services = WebSocketService.None
     var _event = WebSocketEvents()
     var _eventDelegate: WebSocketDelegate?
@@ -560,6 +561,10 @@ private class InnerWebSocket: Hashable {
         get { lock(); defer { unlock() }; return _allowSelfSignedSSL }
         set { lock(); defer { unlock() }; _allowSelfSignedSSL = newValue }
     }
+    var allowProxyInSimulator : Bool {
+        get { lock(); defer { unlock() }; return _allowProxyInSimulator }
+        set { lock(); defer { unlock() }; _allowProxyInSimulator = newValue }
+    }
     var services : WebSocketService {
         get { lock(); defer { unlock() }; return _services }
         set { lock(); defer { unlock() }; _services = newValue }
@@ -593,6 +598,7 @@ private class InnerWebSocket: Hashable {
         ws.eclose = eclose
         ws.compression = compression
         ws.allowSelfSignedSSL = allowSelfSignedSSL
+        ws.allowProxyInSimulator = allowProxyInSimulator
         ws.services = services
         ws.event = event
         ws.eventQueue = eventQueue
@@ -1085,6 +1091,12 @@ private class InnerWebSocket: Hashable {
             rd.setProperty(prop, forKey: Stream.PropertyKey(rawValue: kCFStreamPropertySSLSettings as String as String))
             wr.setProperty(prop, forKey: Stream.PropertyKey(rawValue: kCFStreamPropertySSLSettings as String as String))
         }
+        if allowProxyInSimulator {
+            let proxyDict = CFNetworkCopySystemProxySettings()
+            let prop = CFDictionaryCreateMutableCopy(nil, 0, proxyDict!.takeRetainedValue())
+            rd.setProperty(prop, forKey: Stream.PropertyKey(rawValue: kCFStreamPropertySOCKSProxy as String as String))
+            wr.setProperty(prop, forKey: Stream.PropertyKey(rawValue: kCFStreamPropertySOCKSProxy as String as String))
+        }
         rd.delegate = delegate
         wr.delegate = delegate
         rd.schedule(in: RunLoop.main, forMode: RunLoopMode.defaultRunLoopMode)
@@ -1702,6 +1714,11 @@ open class WebSocket: NSObject {
         get { return ws.allowSelfSignedSSL }
         set { ws.allowSelfSignedSSL = newValue }
     }
+    /// Allow to use Proxy to capture the websocket transfer. Default is false.
+    open var allowProxyInSimulator : Bool{
+        get { return ws.allowProxyInSimulator }
+        set { ws.allowProxyInSimulator = newValue }
+    }
     /// The services of the WebSocket.
     open var services : WebSocketService{
         get { return ws.services }