net/base/host_mapping_rules.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_BASE_HOST_MAPPING_RULES_H_
   6 #define NET_BASE_HOST_MAPPING_RULES_H_
   7
   8 #include <string>
   9 #include <vector>
  10 #include "base/basictypes.h"
  11 #include "net/base/net_export.h"
  12
  13 namespace net {
  14
  15 class HostPortPair;
  16
  17 class NET_EXPORT_PRIVATE HostMappingRules {
  18  public:
  19   HostMappingRules();
  20   ~HostMappingRules();
  21
  22   // Modifies |*host_port| based on the current rules. Returns true if
  23   // |*host_port| was modified, false otherwise.
  24   bool RewriteHost(HostPortPair* host_port) const;
  25
  26   // Adds a rule to this mapper. The format of the rule can be one of:
  27   //
  28   //   "MAP" <hostname_pattern> <replacement_host> [":" <replacement_port>]
  29   //   "EXCLUDE" <hostname_pattern>
  30   //
  31   // The <replacement_host> can be either a hostname, or an IP address literal.
  32   //
  33   // Returns true if the rule was successfully parsed and added.
  34   bool AddRuleFromString(const std::string& rule_string);
  35
  36   // Sets the rules from a comma separated list of rules.
  37   void SetRulesFromString(const std::string& rules_string);
  38
  39  private:
  40   struct MapRule;
  41   struct ExclusionRule;
  42
  43   typedef std::vector<MapRule> MapRuleList;
  44   typedef std::vector<ExclusionRule> ExclusionRuleList;
  45
  46   MapRuleList map_rules_;
  47   ExclusionRuleList exclusion_rules_;
  48
  49   DISALLOW_COPY_AND_ASSIGN(HostMappingRules);
  50 };
  51
  52 }  // namespace net
  53
  54 #endif  // NET_BASE_HOST_MAPPING_RULES_H_