Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
       3             :  */
       4             : 
       5             : #ifndef SRC_BGP_BGP_PEER_H__
       6             : #define SRC_BGP_BGP_PEER_H__
       7             : 
       8             : #include <boost/asio/ip/tcp.hpp>
       9             : #include <boost/scoped_ptr.hpp>
      10             : #include <tbb/spin_mutex.h>
      11             : 
      12             : #include <map>
      13             : #include <memory>
      14             : #include <set>
      15             : #include <string>
      16             : #include <vector>
      17             : #include <atomic>
      18             : 
      19             : #include "base/lifetime.h"
      20             : #include "base/util.h"
      21             : #include "base/task_trigger.h"
      22             : #include "base/timer.h"
      23             : #include "base/address.h"
      24             : #include "bgp/bgp_config.h"
      25             : #include "bgp/bgp_debug.h"
      26             : #include "bgp/bgp_peer_key.h"
      27             : #include "bgp/bgp_proto.h"
      28             : #include "bgp/bgp_rib_policy.h"
      29             : #include "bgp/ipeer.h"
      30             : #include "bgp/rtarget/rtarget_address.h"
      31             : #include "bgp/state_machine.h"
      32             : #include "db/db_table.h"
      33             : 
      34             : class BgpNeighborConfig;
      35             : class BgpPeerClose;
      36             : class BgpPeerInfo;
      37             : class BgpPeerInfoData;
      38             : class BgpServer;
      39             : class BgpSession;
      40             : class BgpSession;
      41             : class BgpNeighborResp;
      42             : class BgpSandeshContext;
      43             : class PeerCloseManager;
      44             : class RoutingInstance;
      45             : 
      46             : //
      47             : // This contains per address family attributes.
      48             : // A BgpPeer contains a vector of pointers to this structure, with an entry
      49             : // for each value in Address::Family i.e. the vector can be indexed using a
      50             : // Address::Family value.
      51             : //
      52             : struct BgpPeerFamilyAttributes {
      53             :     BgpPeerFamilyAttributes(const BgpNeighborConfig *config,
      54             :         const BgpFamilyAttributesConfig &family_config);
      55             :     uint8_t loop_count;
      56             :     uint32_t prefix_limit;
      57             :     uint32_t idle_timeout;
      58             :     IpAddress gateway_address;
      59             :     std::vector<std::string> default_tunnel_encap_list;
      60             : };
      61             : 
      62             : //
      63             : // Comparator for BgpPeerFamilyAttributes.
      64             : //
      65             : struct BgpPeerFamilyAttributesCompare {
      66      100079 :     int operator()(const BgpPeerFamilyAttributes *lhs,
      67             :                    const BgpPeerFamilyAttributes *rhs) const {
      68      100079 :         if (lhs && rhs) {
      69       16667 :             KEY_COMPARE(lhs->loop_count, rhs->loop_count);
      70       16663 :             KEY_COMPARE(lhs->prefix_limit, rhs->prefix_limit);
      71       16615 :             KEY_COMPARE(lhs->idle_timeout, rhs->idle_timeout);
      72       16615 :             KEY_COMPARE(lhs->gateway_address, rhs->gateway_address);
      73       16613 :             KEY_COMPARE(lhs->default_tunnel_encap_list,
      74             :                         rhs->default_tunnel_encap_list);
      75             :         } else {
      76       83412 :             KEY_COMPARE(lhs, rhs);
      77             :         }
      78       99992 :         return 0;
      79             :     }
      80             : };
      81             : 
      82             : // A BGP peer along with its session and state machine.
      83             : class BgpPeer : public IPeer {
      84             : public:
      85             :     static const int kEndOfRibSendRetryTime = 1; /* seconds */
      86             :     static const int kRouteTargetEndOfRibTimeSecs = 30;     // Seconds
      87             :     static const size_t kMinBufferCapacity = 4096;
      88             :     static const size_t kMaxBufferCapacity = 32768;
      89             : 
      90             :     typedef std::set<Address::Family> AddressFamilyList;
      91             :     typedef AuthenticationData::KeyType KeyType;
      92             :     typedef std::set<RouteTarget> RouteTargetList;
      93             : 
      94             :     BgpPeer(BgpServer *server, RoutingInstance *instance,
      95             :             const BgpNeighborConfig *config);
      96             :     virtual ~BgpPeer();
      97             : 
      98             :     // Interface methods
      99             : 
     100             :     // thread-safe
     101       10616 :     virtual const std::string &ToString() const { return to_str_; }
     102      771952 :     virtual const std::string &ToUVEKey() const { return uve_key_str_; }
     103             : 
     104             :     // Task: bgp::SendUpdate
     105             :     // Used to send an UPDATE message on the socket.
     106             :     virtual bool SendUpdate(const uint8_t *msg, size_t msgsize,
     107             :                             const std::string *msg_str);
     108          14 :     virtual bool SendUpdate(const uint8_t *msg, size_t msgsize) {
     109          14 :         return SendUpdate(msg, msgsize, NULL);
     110             :     }
     111             :     virtual bool FlushUpdate();
     112             : 
     113             :     // Task: bgp::Config
     114             :     void ConfigUpdate(const BgpNeighborConfig *config);
     115             :     void ClearConfig();
     116             : 
     117             :     // thread: event manager thread.
     118             :     // Invoked from BgpServer when a session is accepted.
     119             :     bool AcceptSession(BgpSession *session);
     120             : 
     121             :     BgpSession *CreateSession();
     122             : 
     123             :     virtual void SetAdminState(bool down,
     124             :                     int subcode = BgpProto::Notification::AdminShutdown);
     125             : 
     126             :     // Messages
     127             : 
     128             :     // thread: bgp::StateMachine
     129             :     void SendOpen(TcpSession *session);
     130             : 
     131             :     // thread: bgp::StateMachine, KA timer handler
     132             :     void SendKeepalive(bool from_timer);
     133             : 
     134             :     // thread: bgp::StateMachine, io::ReaderTask
     135             :     void SendNotification(BgpSession *, int code, int subcode = 0,
     136             :                           const std::string &data = std::string());
     137             : 
     138             :     // thread: io::ReaderTask
     139             :     void ProcessUpdate(const BgpProto::Update *msg, size_t msgsize = 0);
     140             : 
     141             :     // thread: io::ReaderTask
     142             :     virtual bool ReceiveMsg(BgpSession *session, const u_int8_t *msg,
     143             :                             size_t size);
     144             : 
     145             :     void StartKeepaliveTimer();
     146             :     bool KeepaliveTimerRunning();
     147             :     bool PrefixLimitIdleTimerRunning() const;
     148             :     void SetSendReady();
     149             : 
     150             :     // thread: io::ReaderTask
     151             :     bool SetCapabilities(const BgpProto::OpenMessage *msg);
     152             :     void ResetCapabilities();
     153             : 
     154             :     // Table registration.
     155             :     void RegisterAllTables();
     156             : 
     157             :     // accessors
     158      885856 :     virtual BgpServer *server() { return server_; }
     159     2606402 :     virtual BgpServer *server() const { return server_; }
     160             : 
     161        3408 :     uint32_t PeerAddress() const { return peer_key_.address(); }
     162        1502 :     const std::string peer_address_string() const {
     163        3004 :         return peer_key_.endpoint.address().to_string();
     164             :     }
     165       79875 :     const BgpPeerKey &peer_key() const { return peer_key_; }
     166        1384 :     uint16_t peer_port() const { return peer_port_; }
     167             :     std::string transport_address_string() const;
     168             :     std::string gateway_address_string(Address::Family family) const;
     169       53423 :     const std::string &peer_name() const { return peer_name_; }
     170         550 :     const std::string &peer_basename() const { return peer_basename_; }
     171        2779 :     std::string router_type() const { return router_type_; }
     172       26994 :     TcpSession::Endpoint endpoint() const { return endpoint_; }
     173             :     virtual bool CheckSplitHorizon(uint32_t cluster_id = 0,
     174             :             uint32_t ribout_cid = 0) const;
     175             : 
     176             :     StateMachine::State GetState() const;
     177             :     virtual const std::string GetStateName() const;
     178             : 
     179             :     void set_session(BgpSession *session);
     180             :     void clear_session();
     181             :     BgpSession *session();
     182             : 
     183       45810 :     uint16_t hold_time() const { return hold_time_; }
     184        6462 :     as_t local_as() const { return local_as_; }
     185      100234 :     as_t peer_as() const { return peer_as_; }
     186         806 :     size_t buffer_size() const { return buffer_.size(); }
     187             : 
     188             :     // The BGP Identifier in host byte order.
     189             :     virtual uint32_t local_bgp_identifier() const;
     190             :     std::string local_bgp_identifier_string() const;
     191             :     virtual uint32_t bgp_identifier() const;
     192             :     std::string bgp_identifier_string() const;
     193             : 
     194           5 :     const std::vector<std::string> &configured_families() const {
     195           5 :         return configured_families_;
     196             :     }
     197             : 
     198      712382 :     bool LookupFamily(Address::Family family) {
     199      712382 :         return (family_attributes_list_[family] != NULL);
     200             :     }
     201             : 
     202             :     bool IsFamilyNegotiated(Address::Family family);
     203      169037 :     RoutingInstance *GetRoutingInstance() { return rtinstance_; }
     204           0 :     RoutingInstance *GetRoutingInstance() const { return rtinstance_; }
     205             : 
     206      416373 :     int GetIndex() const { return index_; }
     207             :     int GetTaskInstance() const;
     208             : 
     209      406969 :     virtual BgpProto::BgpPeerType PeerType() const {
     210      406969 :         return peer_type_;
     211             :     }
     212           6 :     const string &private_as_action() const { return private_as_action_; }
     213             : 
     214       21601 :     const BgpNeighborConfig *config() const { return config_; }
     215             : 
     216             :     virtual void SetDataCollectionKey(BgpPeerInfo *peer_info) const;
     217             :     void FillNeighborInfo(const BgpSandeshContext *bsc, BgpNeighborResp *bnr,
     218             :         bool summary) const;
     219             : 
     220             :     // thread-safe
     221             :     bool IsDeleted() const;
     222       27608 :     bool IsAdminDown() const { return admin_down_; }
     223       22646 :     bool IsPassive() const { return passive_; }
     224             :     bool IsCloseInProgress() const;
     225             :     virtual bool IsReady() const;
     226             :     virtual bool IsXmppPeer() const;
     227             :     virtual bool CanUseMembershipManager() const;
     228           0 :     virtual bool IsRegistrationRequired() const { return true; }
     229             :     virtual time_t GetEorSendTimerElapsedTime() const;
     230      147999 :     virtual bool send_ready() const { return send_ready_; }
     231             : 
     232             :     void Close(bool graceful);
     233             :     void Clear(int subcode);
     234             : 
     235             :     virtual IPeerClose *peer_close();
     236             :     virtual IPeerClose *peer_close() const;
     237             :     virtual void UpdateCloseRouteStats(Address::Family family,
     238             :         const BgpPath *old_path, uint32_t path_flags) const;
     239             :     virtual IPeerDebugStats *peer_stats();
     240             :     virtual const IPeerDebugStats *peer_stats() const;
     241             :     void ManagedDelete();
     242             :     void RetryDelete();
     243             :     LifetimeActor *deleter();
     244             :     void Initialize();
     245             : 
     246             :     void NotifyEstablished(bool established);
     247             : 
     248             :     void increment_flap_count();
     249             :     void reset_flap_count();
     250        5679 :     uint64_t flap_count() const { return flap_count_; }
     251         127 :     uint64_t last_flap() const { return last_flap_; }
     252       22088 :     uint64_t total_flap_count() const { return total_flap_count_; }
     253             : 
     254             :     void DSCPUpdateCallback(uint8_t dscp_value);
     255             : 
     256             :     std::string last_flap_at() const;
     257             : 
     258             :     void inc_rx_open();
     259             :     void inc_rx_keepalive();
     260             :     void inc_rx_update();
     261             :     void inc_rx_notification();
     262             : 
     263             :     void inc_tx_open();
     264             :     void inc_tx_keepalive();
     265             :     void inc_tx_update();
     266             :     void inc_tx_notification();
     267             : 
     268             :     void inc_rx_end_of_rib();
     269             :     void inc_rx_route_reach(uint64_t count);
     270             :     void inc_rx_route_unreach(uint64_t count);
     271             : 
     272             :     void inc_tx_end_of_rib();
     273             : 
     274             :     uint64_t get_rx_keepalive() const;
     275             :     uint64_t get_rx_update() const;
     276             :     uint64_t get_rx_notification() const;
     277             :     uint64_t get_tx_keepalive() const;
     278             :     uint64_t get_tx_update() const;
     279             : 
     280             :     uint64_t get_rx_end_of_rib() const;
     281             :     uint64_t get_rx_route_reach() const;
     282             :     uint64_t get_rx_route_unreach() const;
     283             :     uint64_t get_rx_route_total() const;
     284             : 
     285             :     uint64_t get_tx_end_of_rib() const;
     286             :     uint64_t get_tx_route_reach() const;
     287             :     uint64_t get_tx_route_unreach() const;
     288             :     uint64_t get_tx_route_total() const;
     289             : 
     290             :     void inc_connect_error();
     291             :     void inc_connect_timer_expired();
     292             :     void inc_hold_timer_expired();
     293             :     void inc_open_error();
     294             :     void inc_update_error();
     295             : 
     296             :     uint64_t get_connect_error() const;
     297             :     uint64_t get_connect_timer_expired() const;
     298             :     uint64_t get_hold_timer_expired() const;
     299             :     uint64_t get_open_error() const;
     300             :     uint64_t get_update_error() const;
     301             : 
     302             :     uint64_t get_socket_reads() const;
     303             :     uint64_t get_socket_writes() const;
     304             : 
     305             :     static void FillBgpNeighborDebugState(BgpNeighborResp *bnr,
     306             :         const IPeerDebugStats *peer);
     307             : 
     308             :     bool ResumeClose();
     309             :     void MembershipRequestCallback(BgpTable *table);
     310             : 
     311      930563 :     virtual void UpdateTotalPathCount(int count) const {
     312      930563 :         total_path_count_ += count;
     313      930684 :     }
     314       10485 :     virtual int GetTotalPathCount() const { return total_path_count_; }
     315      111636 :     virtual bool IsAs4Supported() const { return as4_supported_; }
     316           0 :     virtual void ResetAs4Supported() { as4_supported_ = false; }
     317             :     virtual void UpdatePrimaryPathCount(int count,
     318             :         Address::Family family) const;
     319             :     virtual void ProcessPathTunnelEncapsulation(const BgpPath *path,
     320             :         BgpAttr *attr, ExtCommunityDB *extcomm_db, const BgpTable *table) const;
     321             :     virtual const std::vector<std::string> GetDefaultTunnelEncap(
     322             :         const Address::Family family) const;
     323         239 :     virtual int GetPrimaryPathCount() const { return primary_path_count_; }
     324             : 
     325             :     void RegisterToVpnTables();
     326             : 
     327       45526 :     StateMachine *state_machine() { return state_machine_.get(); }
     328             :     const StateMachine *state_machine() const { return state_machine_.get(); }
     329             : 
     330             :     bool GetBestAuthKeyItem(AuthenticationKey *auth_key);
     331             :     bool InstallAuthKeys();
     332             :     std::string GetInuseAuthKeyValue() const;
     333             :     void SetListenSocketAuthKey(const AuthenticationKey &auth_key,
     334             :                                 KeyType key_type);
     335             :     void ClearListenSocketAuthKey();
     336             :     void SetSessionSocketAuthKey(TcpSession *session);
     337             :     void SetSessionSocketOptionDscp(TcpSession *session);
     338             :     bool AttemptGRHelperMode(int code, int subcode) const;
     339             :     void Register(BgpTable *table, const RibExportPolicy &policy);
     340             :     void Register(BgpTable *table);
     341             :     bool EndOfRibSendTimerExpired(Address::Family family);
     342             :     void CustomClose();
     343        6944 :     const std::vector<std::string> &negotiated_families() const {
     344        6944 :         return negotiated_families_;
     345             :     }
     346             :     void ReceiveEndOfRIB(Address::Family family, size_t msgsize);
     347             :     const std::vector<BgpProto::OpenMessage::Capability *> &
     348       10814 :         capabilities() const {
     349       10814 :         return capabilities_;
     350             :     }
     351             : 
     352        8139 :     static const std::vector<Address::Family> &supported_families() {
     353        8139 :         return supported_families_;
     354             :     }
     355             :     virtual bool IsInGRTimerWaitState() const;
     356      247210 :     PeerCloseManager *close_manager() { return close_manager_.get(); }
     357             :     virtual bool IsServerStartingUp() const;
     358             :     bool IsCloseGraceful() const;
     359       85803 :     bool IsRouterTypeBGPaaS() const { return router_type_ == "bgpaas-client"; }
     360             :     virtual bool ProcessSession() const;
     361             :     void RoutingInstanceCallback(const std::string &vrf_name, int op);
     362             :     void ASNUpdateCallback(as_t old_asn, as_t old_local_asn);
     363             : 
     364             : protected:
     365             :     virtual void SendEndOfRIBActual(Address::Family family);
     366             :     virtual void SendEndOfRIB(Address::Family family);
     367        9567 :     int membership_req_pending() const { return membership_req_pending_; }
     368             :     virtual bool notification() const;
     369             : 
     370             : private:
     371             :     friend class BgpConfigTest;
     372             :     friend class BgpPeerTest;
     373             :     friend class BgpServerUnitTest;
     374             :     friend class StateMachineUnitTest;
     375             : 
     376             :     class DeleteActor;
     377             :     class PeerStats;
     378             : 
     379             :     struct OriginOverride {
     380             :         OriginOverride(const BgpNeighborConfig::OriginOverrideConfig &config);
     381             :         bool operator!=(const OriginOverride &rhs) const;
     382             : 
     383             :         bool origin_override;
     384             :         BgpAttrOrigin::OriginType origin;
     385             :     };
     386             : 
     387             :     typedef std::map<Address::Family, const uint8_t *> FamilyToCapabilityMap;
     388             :     typedef std::vector<BgpPeerFamilyAttributes *> FamilyAttributesList;
     389             : 
     390             :     size_t GetBufferCapacity() const;
     391             :     bool FlushUpdateUnlocked();
     392             :     static int Encode(const BgpMessage *msg, uint8_t *data, size_t size,
     393             :                       EncodeOffsets *offsets = NULL, bool as4 = false);
     394             :     void KeepaliveTimerErrorHandler(std::string error_name,
     395             :                                     std::string error_message);
     396             :     virtual void StartKeepaliveTimerUnlocked();
     397             :     void StopKeepaliveTimerUnlocked();
     398             :     bool KeepaliveTimerExpired();
     399             : 
     400             :     void StartPrefixLimitIdleTimer(uint32_t plim_idle_time_msecs);
     401             :     void StopPrefixLimitIdleTimer();
     402             :     bool PrefixLimitIdleTimerExpired();
     403             :     void PrefixLimitIdleTimerErrorHandler(std::string error_name,
     404             :                                           std::string error_message);
     405             : 
     406             :     RibExportPolicy BuildRibExportPolicy(Address::Family family) const;
     407             :     void StartEndOfRibReceiveTimer(Address::Family family);
     408             :     bool EndOfRibReceiveTimerExpired(Address::Family family);
     409             :     void EndOfRibTimerErrorHandler(std::string error_name,
     410             :                                    std::string error_message);
     411             :     uint32_t GetEndOfRibReceiveTime(Address::Family family) const;
     412             : 
     413             :     virtual void BindLocalEndpoint(BgpSession *session);
     414             :     void UnregisterAllTables();
     415             :     void BGPPeerInfoSend(const BgpPeerInfoData &peer_info) const;
     416             : 
     417             :     virtual bool MembershipPathCallback(DBTablePartBase *tpart,
     418             :                                         BgpRoute *route, BgpPath *path);
     419             :     uint32_t GetPathFlags(Address::Family family, const BgpAttr *attr) const;
     420             :     uint32_t GetLocalPrefFromMed(uint32_t med) const;
     421             :     virtual bool MpNlriAllowed(uint16_t afi, uint8_t safi);
     422             :     virtual bool Is4ByteAsSupported() const;
     423             :     BgpAttrPtr GetMpNlriNexthop(BgpMpNlri *nlri, BgpAttrPtr attr);
     424             :     template <typename TableT, typename PrefixT>
     425             :     void ProcessNlri(Address::Family family, DBRequest::DBOperation oper,
     426             :         const BgpMpNlri *nlri, BgpAttrPtr attr, uint32_t flags);
     427             :     template <typename PrefixT>
     428             :     void ProcessNlriBgpaas(Address::Family family, DBRequest::DBOperation oper,
     429             :         const BgpMpNlri *nlri, BgpAttrPtr attr, uint32_t flags);
     430             :     void ProcessBgpaas(DBRequest::DBOperation oper,
     431             :         IpAddress addr, uint8_t addr_len, BgpAttrPtr attr, uint32_t flags);
     432             : 
     433             :     bool GetBestAuthKey(AuthenticationKey *auth_key, KeyType *key_type) const;
     434             :     bool ProcessAuthKeyChainConfig(const BgpNeighborConfig *config);
     435             :     void LogInstallAuthKeys(const std::string &socket_name,
     436             :         const std::string &oper, const AuthenticationKey &auth_key,
     437             :         KeyType key_type);
     438             :     void SetInuseAuthKeyInfo(const AuthenticationKey &key, KeyType type);
     439             :     void ResetInuseAuthKeyInfo();
     440             : 
     441             :     bool CheckPrefixLimits();
     442             :     bool ProcessFamilyAttributesConfig(const BgpNeighborConfig *config);
     443             :     void ProcessEndpointConfig(const BgpNeighborConfig *config);
     444             : 
     445             :     void PostCloseRelease();
     446             : 
     447             :     void FillBgpNeighborFamilyAttributes(BgpNeighborResp *nbr) const;
     448             :     void FillCloseInfo(BgpNeighborResp *resp) const;
     449             :     BgpAttrPtr GetRouteTargetRouteAttr() const;
     450             :     void BGPaaSAddRTarget(as_t as, BgpTable *table, BgpAttrPtr attr,
     451             :                           RouteTargetList::const_iterator it);
     452             :     void AddRTargets(as_t as);
     453             :     void DeleteRTargets(as_t as);
     454             :     void BGPaaSDeleteRTarget(as_t as, BgpTable *table,
     455             :                              RouteTargetList::const_iterator it);
     456             :     BgpTable *GetRTargetTable();
     457             : 
     458             :     std::string BytesToHexString(const u_int8_t *msg, size_t size);
     459             :     virtual uint32_t GetOutputQueueDepth(Address::Family family) const;
     460             :     virtual time_t GetRTargetTableLastUpdatedTimeStamp() const;
     461             :     virtual void TriggerPrefixLimitCheck() const;
     462             : 
     463             :     static const std::vector<Address::Family> supported_families_;
     464             :     BgpServer *server_;
     465             :     RoutingInstance *rtinstance_;
     466             :     TcpSession::Endpoint endpoint_;
     467             :     BgpPeerKey peer_key_;
     468             :     uint16_t peer_port_;
     469             :     std::string peer_name_;
     470             :     std::string peer_basename_;
     471             :     std::string router_type_;         // bgp_schema.xsd:BgpRouterType
     472             :     bool peer_is_control_node_;
     473             :     mutable std::string to_str_;
     474             :     mutable std::string uve_key_str_;
     475             :     const BgpNeighborConfig *config_;
     476             : 
     477             :     // Global peer index
     478             :     int index_;
     479             :     TaskTrigger trigger_;
     480             :     Timer *prefix_limit_idle_timer_;
     481             :     mutable TaskTrigger prefix_limit_trigger_;
     482             : 
     483             :     // The mutex is used to protect the session, keepalive timer and the
     484             :     // send ready state.
     485             :     //
     486             :     // The session is accessed from the bgp::Send task and the keepalive
     487             :     // timer handler and gets set/cleared from the bgp::StateMachine task.
     488             :     //
     489             :     // The keepalive timer can get started from the io thread (either via
     490             :     // the SetSendReady callback or from the timer handler) or from the
     491             :     // bgp::Send task or the bgp::StateMachine task.  It can get stopped
     492             :     // from the bgp::Send task or the bgp::StateMachine task.
     493             :     //
     494             :     // The send ready state gets modified from the bgp::Send task or from
     495             :     // the io thread (either via the the SetSendReady callback or from the
     496             :     // timer handler).
     497             :     //
     498             :     // Note that the mutex will not be heavily contended since we expect
     499             :     // the bgp::Send task to lock it most frequently while all other tasks
     500             :     // and the io thread should need to lock it once every few seconds at
     501             :     // most.  Hence we choose a spin_mutex.
     502             :     tbb::spin_mutex spin_mutex_;
     503             :     size_t buffer_capacity_;
     504             :     std::vector<uint8_t> buffer_;
     505             :     BgpSession *session_;
     506             :     Timer *keepalive_timer_;
     507             :     Timer *eor_receive_timer_[Address::NUM_FAMILIES];
     508             :     Timer *eor_send_timer_[Address::NUM_FAMILIES];
     509             :     time_t eor_send_timer_start_time_;
     510             :     bool send_ready_;
     511             :     bool admin_down_;
     512             :     bool passive_;
     513             :     bool resolve_paths_;
     514             :     bool as_override_;
     515             :     string private_as_action_;
     516             :     uint32_t cluster_id_;
     517             :     OriginOverride origin_override_;
     518             : 
     519             :     std::atomic<int> membership_req_pending_;
     520             :     bool defer_close_;
     521             :     bool graceful_close_;
     522             :     bool as4_supported_;
     523             :     bool vpn_tables_registered_;
     524             :     std::vector<BgpProto::OpenMessage::Capability *> capabilities_;
     525             :     uint16_t hold_time_;
     526             :     as_t local_as_;
     527             :     as_t peer_as_;
     528             :     uint32_t local_bgp_id_;     // network order
     529             :     uint32_t peer_bgp_id_;      // network order
     530             :     FamilyAttributesList family_attributes_list_;
     531             :     mutable std::atomic<uint32_t> family_primary_path_count_[Address::NUM_FAMILIES];
     532             :     std::vector<std::string> configured_families_;
     533             :     std::vector<std::string> negotiated_families_;
     534             :     BgpProto::BgpPeerType peer_type_;
     535             :     boost::scoped_ptr<StateMachine> state_machine_;
     536             :     boost::scoped_ptr<BgpPeerClose> peer_close_;
     537             :     boost::scoped_ptr<PeerCloseManager> close_manager_;
     538             :     boost::scoped_ptr<PeerStats> peer_stats_;
     539             :     boost::scoped_ptr<DeleteActor> deleter_;
     540             :     LifetimeRef<BgpPeer> instance_delete_ref_;
     541             :     mutable std::atomic<int> total_path_count_;
     542             :     mutable std::atomic<int> primary_path_count_;
     543             :     uint64_t flap_count_;
     544             :     uint64_t total_flap_count_;
     545             :     uint64_t last_flap_;
     546             :     int dscp_listener_id_;
     547             :     AuthenticationData auth_data_;
     548             :     AuthenticationKey inuse_auth_key_;
     549             :     KeyType inuse_authkey_type_;
     550             :     RouteTargetList rtargets_;
     551             :     int asn_listener_id_;
     552             :     int instance_op_;
     553             : 
     554             :     DISALLOW_COPY_AND_ASSIGN(BgpPeer);
     555             : };
     556             : 
     557             : #endif  // SRC_BGP_BGP_PEER_H__