Implement HttpIceConfigRequest

remoting/protocol/http_ice_config_request.h

+// Copyright 2016 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 REMOTING_PROTOCOL_HTTP_ICE_CONFIG_REQUEST_H_
+#define REMOTING_PROTOCOL_HTTP_ICE_CONFIG_REQUEST_H_
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "remoting/base/url_request.h"
+#include "remoting/protocol/ice_config_request.h"
+
+namespace remoting {
+namespace protocol {
+
+// IceConfigRequest that fetches IceConfig from using HTTP. If the config has
+// been fetched succesfully but some parts couldn't be parsed then the returned
+// config contains all entries that were parsed successfully and
+// |expiration_time| is set to Now, i.e. the config is considered expired.
+class HttpIceConfigRequest : public IceConfigRequest {
+ public:
+  HttpIceConfigRequest(UrlRequestFactory* url_request_factory,
+                       const std::string& url);
+  ~HttpIceConfigRequest() override;
+
+  // IceConfigRequest interface.
+  void Send(const OnIceConfigCallback& callback) override;
+
+ private:
+  void OnResponse(const UrlRequest::Result& result);
+
+  std::string url_;
+  scoped_ptr<UrlRequest> url_request_;
+  OnIceConfigCallback on_ice_config_callback_;
+
+  DISALLOW_COPY_AND_ASSIGN(HttpIceConfigRequest);
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_HTTP_ICE_CONFIG_REQUEST_H_