Implementation WebSocketChannel Using StarScream.

Author: domanthan

Sources/StompClientKit/StompClient.swift

@@ -235,7 +235,7 @@ public class StompClient: WebSocketChannelDelegate {
     public func send(frame: inout Frame, using encoding: String.Encoding? = .utf8) {
 
         // support transaction
-        if (transaction == nil) {
+        if (transaction != nil) {
             frame.addHeader(FrameHeader(k: Headers.TRANSACTION.rawValue, v: transaction!.trxId))
         }
 

Sources/StompClientKit/WebSocketChannel.swift

@@ -13,7 +13,7 @@ import Foundation
  * another Websocket library. Future versions of StompClientKit may add new Websocket libraries.
  */
 public protocol WebSocketChannel: class {
-    
+
     /**
      * Build a new channel using a Websocket URL .
      */
@@ -50,12 +50,22 @@ public protocol WebSocketChannel: class {
     var delegate: WebSocketChannelDelegate { get set}
 }
 
-/**
- *
- */
+
+/// WebSocketChannelDelete
+/// defines callbacks when Websocket event occoured.
 public protocol WebSocketChannelDelegate {
+    
+    /// Callbak after websocket channel connected
     func onChannelConnected()
+    
+    /// Call back after websocket channel disconnected
     func onChannelDisConnected()
+    
+    /// Text handler
+    /// - Parameter text: Text that received from websocket server.
     func onText(received text: String)
+    
+    ///  Error handler
+    /// - Parameter error: <#error description#>
     func onChannelError(_ error: Error)
 }