WebSocketChannel implementation

net/websockets/websocket_event_interface.h

+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef NET_WEBSOCKETS_WEBSOCKET_EVENT_INTERFACE_H_
+#define NET_WEBSOCKETS_WEBSOCKET_EVENT_INTERFACE_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+
+namespace net {
+
+class NET_EXPORT WebSocketEventInterface {
+ public:
+  typedef int WebSocketMessageType;
+  virtual ~WebSocketEventInterface() {}
+  virtual void OnAddChannelResponse(bool fail,
+                                    const std::string& selected_protocol) = 0;
+  virtual void OnSendFrame(bool fin,
+                           WebSocketMessageType type,
+                           const std::vector<char>& data) = 0;
+  virtual void OnFlowControl(int64 quota) = 0;
+  // Both the "reason" and "reason_text" are passed through to Javascript, so
+  // care must be taken not to provide details that could be useful to attackers
+  // attempting to use WebSockets to probe networks.
+  virtual void OnDropChannel(unsigned short reason,
+                             const std::string& reason_text) = 0;
+
+ protected:
+  WebSocketEventInterface() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WebSocketEventInterface);
+};
+
+}  // namespace net
+
+#endif  // NET_WEBSOCKETS_WEBSOCKET_EVENT_INTERFACE_H_