Multicast socket API

chrome/common/extensions/permissions/socket_permission_data.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 CHROME_COMMON_EXTENSIONS_PERMISSIONS_SOCKET_PERMISSION_DATA_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_SOCKET_PERMISSION_DATA_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/common/extensions/permissions/api_permission.h"
 #include "content/public/common/socket_permission_request.h"
 
 namespace extensions {
 
 // A pattern that can be used to match socket permission.
 //   <socket-permission-pattern>
 //          := <op> |
 //             <op> ':' <host> |
 //             <op> ':' ':' <port> |
-//             <op> ':' <host> ':' <port>
+//             <op> ':' <host> ':' <port> |
+//             'udp-multicast-membership'
 //   <op>   := 'tcp-connect' |
 //             'tcp-listen' |
 //             'udp-bind' |
 //             'udp-send-to'
 //   <host> := '*' |
 //             '*.' <anychar except '/' and '*'>+ |
 //             <anychar except '/' and '*'>+
 //   <port> := '*' |
 //             <port number between 0 and 65535>)
+// The multicast membership permission implies a permission to any address.
 class SocketPermissionData {
  public:
   enum HostType {
     ANY_HOST,
     HOSTS_IN_DOMAINS,
     SPECIFIC_HOSTS,
   };
 
   SocketPermissionData();
   ~SocketPermissionData();
@@ skipping 36 matching lines @@
   void Reset();
 
   content::SocketPermissionRequest pattern_;
   bool match_subdomains_;
   mutable std::string spec_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_PERMISSIONS_SOCKET_PERMISSION_DATA_H_