LCOV - code coverage report
Current view: top level - bgp/routing-policy - routing_policy_match.h (source / functions) Hit Total Coverage
Test: OpenSDN C/C++ coverage (all TARGET_SET jobs) Lines: 31 32 96.9 %
Date: 2026-11-09 02:10:49 Functions: 19 20 95.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2015 Juniper Networks, Inc. All rights reserved.
       3             :  * Copyright Contributors to the OpenSDN project
       4             :  */
       5             : 
       6             : #ifndef SRC_BGP_ROUTING_POLICY_ROUTING_POLICY_MATCH_H_
       7             : #define SRC_BGP_ROUTING_POLICY_ROUTING_POLICY_MATCH_H_
       8             : 
       9             : #include <stdint.h>
      10             : 
      11             : #include <set>
      12             : #include <string>
      13             : #include <typeinfo>
      14             : #include <utility>
      15             : #include <vector>
      16             : 
      17             : #include "base/regex.h"
      18             : #include "bgp/bgp_config.h"
      19             : #include "bgp/inet/inet_route.h"
      20             : #include "bgp/inet6/inet6_route.h"
      21             : 
      22             : class BgpAttr;
      23             : class BgpPath;
      24             : class BgpRoute;
      25             : class Community;
      26             : 
      27             : class RoutingPolicyMatch {
      28             : public:
      29             :     virtual std::string ToString() const = 0;
      30        1048 :     virtual ~RoutingPolicyMatch() {
      31        1048 :     }
      32        1041 :     bool operator()(const BgpRoute *route,
      33             :                     const BgpPath *path, const BgpAttr *attr) const {
      34        1041 :         return Match(route, path, attr);
      35             :     }
      36             :     virtual bool Match(const BgpRoute *route,
      37             :                        const BgpPath *path, const BgpAttr *attr) const = 0;
      38         269 :     virtual bool operator==(const RoutingPolicyMatch &match) const {
      39         269 :         if (typeid(match) == typeid(*this))
      40         269 :             return(IsEqual(match));
      41           0 :         return false;
      42             :     }
      43         269 :     virtual bool operator!=(const RoutingPolicyMatch &match) const {
      44         269 :         return !operator==(match);
      45             :     }
      46             :     virtual bool IsEqual(const RoutingPolicyMatch &match) const = 0;
      47             : };
      48             : 
      49             : class MatchCommunity: public RoutingPolicyMatch {
      50             : public:
      51             :     typedef std::set<uint32_t> CommunityList;
      52             :     typedef std::vector<std::string> CommunityRegexStringList;
      53             :     typedef std::vector<contrail::regex> CommunityRegexList;
      54             : 
      55             :     MatchCommunity(const std::vector<std::string> &communities, bool match_all);
      56             :     virtual ~MatchCommunity();
      57             :     virtual bool Match(const BgpRoute *route,
      58             :                        const BgpPath *path, const BgpAttr *attr) const;
      59             :     virtual std::string ToString() const;
      60             :     virtual bool IsEqual(const RoutingPolicyMatch &community) const;
      61         420 :     bool match_all() const { return match_all_; }
      62         951 :     const CommunityList &communities() const { return to_match_; }
      63         800 :     const CommunityRegexStringList &regex_strings() const {
      64         800 :         return to_match_regex_strings_;
      65             :     }
      66         134 :     const CommunityRegexList &regexs() const { return to_match_regexs_; }
      67             : 
      68             : private:
      69             :     bool MatchAll(const BgpAttr *attr) const;
      70             :     bool MatchAny(const BgpAttr *attr) const;
      71             : 
      72             :     bool match_all_;
      73             :     CommunityList to_match_;
      74             :     CommunityRegexStringList to_match_regex_strings_;
      75             :     CommunityRegexList to_match_regexs_;
      76             : };
      77             : 
      78             : class MatchExtCommunity: public RoutingPolicyMatch {
      79             : public:
      80             :     typedef std::vector<std::string> CommunityRegexStringList;
      81             :     typedef std::vector<contrail::regex> CommunityRegexList;
      82             : 
      83             :     MatchExtCommunity(const std::vector<std::string> &communities,
      84             :                       bool match_all);
      85             :     virtual ~MatchExtCommunity();
      86             :     virtual bool Match(const BgpRoute *route,
      87             :                        const BgpPath *path, const BgpAttr *attr) const;
      88             :     virtual std::string ToString() const;
      89             :     virtual bool IsEqual(const RoutingPolicyMatch &community) const;
      90         104 :     bool match_all() const { return match_all_; }
      91         655 :     const ExtCommunity::ExtCommunityList &communities() const {
      92         655 :         return to_match_;
      93             :     }
      94         209 :     const CommunityRegexStringList &regex_strings() const {
      95         209 :         return to_match_regex_strings_;
      96             :     }
      97         102 :     const CommunityRegexList &regexs() const { return to_match_regexs_; }
      98             :     bool Find(const ExtCommunity::ExtCommunityValue &community) const;
      99             : 
     100             : private:
     101             :     bool MatchAll(const BgpAttr *attr) const;
     102             :     bool MatchAny(const BgpAttr *attr) const;
     103             :     const ExtCommunity::ExtCommunityList ExtCommunityFromString(
     104             :                         const std::string &comm);
     105             : 
     106             :     bool match_all_;
     107             :     ExtCommunity::ExtCommunityList to_match_;
     108             :     CommunityRegexStringList to_match_regex_strings_;
     109             :     CommunityRegexList to_match_regexs_;
     110             : };
     111             : 
     112             : class MatchProtocol: public RoutingPolicyMatch {
     113             : public:
     114             :     enum MatchProtocolType {
     115             :         Unspecified = 0,
     116             :         BGP,
     117             :         XMPP,
     118             :         StaticRoute,
     119             :         ServiceChainRoute,
     120             :         AggregateRoute,
     121             :         Interface,
     122             :         InterfaceStatic,
     123             :         ServiceInterface,
     124             :         BGPaaS
     125             :     };
     126             :     typedef std::vector<MatchProtocolType> PathSourceList;
     127             :     explicit MatchProtocol(const std::vector<std::string> &protocols);
     128             :     virtual ~MatchProtocol();
     129             :     virtual bool Match(const BgpRoute *route,
     130             :                        const BgpPath *path, const BgpAttr *attr) const;
     131             :     virtual std::string ToString() const;
     132             :     virtual bool IsEqual(const RoutingPolicyMatch &community) const;
     133         154 :     const PathSourceList &protocols() const {
     134         154 :         return to_match_;
     135             :     }
     136             : 
     137             : private:
     138             :     PathSourceList to_match_;
     139             : };
     140             : const std::string MatchProtocolToString(MatchProtocol::MatchProtocolType protocol);
     141             : 
     142             : template <typename T1, typename T2>
     143             : struct PrefixMatchBase {
     144             :     typedef T1 RouteT;
     145             :     typedef T2 PrefixT;
     146             : };
     147             : 
     148             : typedef PrefixMatchBase<InetRoute, Ip4Prefix> PrefixMatchInet;
     149             : typedef PrefixMatchBase<Inet6Route, Inet6Prefix> PrefixMatchInet6;
     150             : 
     151             : template <typename T>
     152             : class MatchPrefix : public RoutingPolicyMatch {
     153             : public:
     154             :     typedef typename T::RouteT RouteT;
     155             :     typedef typename T::PrefixT PrefixT;
     156             :     enum MatchType {
     157             :         EXACT,
     158             :         LONGER,
     159             :         ORLONGER,
     160             :     };
     161             : 
     162             :     class PrefixMatch {
     163             :     public:
     164         298 :         PrefixMatch(PrefixT prefix, MatchType match_type)
     165         298 :           : prefix(prefix), match_type(match_type) {
     166         298 :         }
     167         248 :         bool operator==(const PrefixMatch &rhs) const {
     168         248 :             return (prefix == rhs.prefix && match_type == rhs.match_type);
     169             :         }
     170         160 :         bool operator<(const PrefixMatch &rhs) const {
     171         160 :             BOOL_KEY_COMPARE(prefix, rhs.prefix);
     172          14 :             BOOL_KEY_COMPARE(match_type, rhs.match_type);
     173           6 :             return false;
     174             :         }
     175             : 
     176             :         PrefixT prefix;
     177             :         MatchType match_type;
     178             :     };
     179             : 
     180             :     explicit MatchPrefix(const PrefixMatchConfigList &match_config_list);
     181             :     virtual ~MatchPrefix();
     182             :     virtual bool Match(const BgpRoute *route,
     183             :                        const BgpPath *path, const BgpAttr *attr) const;
     184             :     virtual std::string ToString() const;
     185             :     virtual bool IsEqual(const RoutingPolicyMatch &prefix) const;
     186             : 
     187             :     static MatchType GetMatchType(const std::string &match_type_str);
     188             : 
     189             : private:
     190             :     template <typename U> friend class MatchPrefixTest;
     191             :     typedef std::vector<PrefixMatch> PrefixMatchList;
     192             : 
     193             :     PrefixMatchList match_list_;
     194             : };
     195             : 
     196             : typedef MatchPrefix<PrefixMatchInet> MatchPrefixInet;
     197             : typedef MatchPrefix<PrefixMatchInet6> MatchPrefixInet6;
     198             : 
     199             : #endif  // SRC_BGP_ROUTING_POLICY_ROUTING_POLICY_MATCH_H_

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