Allow p2p UDP packages to set DSCP

content/browser/renderer_host/p2p/socket_dispatcher_host.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_DISPATCHER_HOST_H_
 
 #include <map>
 
 #include "content/common/p2p_sockets.h"
@@ skipping 49 matching lines @@
 
   void OnCreateSocket(P2PSocketType type,
                       int socket_id,
                       const net::IPEndPoint& local_address,
                       const net::IPEndPoint& remote_address);
   void OnAcceptIncomingTcpConnection(int listen_socket_id,
                                      const net::IPEndPoint& remote_address,
                                      int connected_socket_id);
   void OnSend(int socket_id,
               const net::IPEndPoint& socket_address,
-              const std::vector<char>& data);
+              const std::vector<char>& data,
+              net::DiffServCodePoint dscp);

[Sergey Ulanov, 2013/08/17 05:50:04]

nit: |dscp| is not readable. maybe call it |service_code|?

[hubbe, 2013/08/21 18:51:36]

dscp seems to be a pretty common abbreviation of "Differentiated Services Code
Point", "service_code" doesn't seem to mean anything, at least not to me.

I could see calling it  "ds_field", "dscp_value" or
"differentiated_service_code_point_value". I

   void OnDestroySocket(int socket_id);
 
   void DoGetNetworkList();
   void SendNetworkList(const net::NetworkInterfaceList& list);
 
   void OnAddressResolved(DnsRequest* request,
                          const net::IPAddressNumber& result);
 
   content::ResourceContext* resource_context_;
   scoped_refptr<net::URLRequestContextGetter> url_context_;
 
   SocketsMap sockets_;
 
   bool monitoring_networks_;
 
   std::set<DnsRequest*> dns_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(P2PSocketDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_DISPATCHER_HOST_H_