class PeerHandler PeerHandler's job is primarily format conversion. More... Definition #include <peer_handler.hh> Inherited by DebugPeerHandler, RibIpcHandler List of all Methods

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Public Methods

•  PeerHandler (const string &peername, BGPPeer *peer, BGPPlumbing *plumbing_unicast, BGPPlumbing *plumbing_multicast)
• virtual  ~PeerHandler ()
• void  stop ()
• void  peering_went_down ()
• void  peering_came_up ()
• bool  peering_is_up () const
• int  process_update_packet (const UpdatePacket *p)
• template <typename A> bool  add (const UpdatePacket *p, PathAttributeList<A>& pa_list,Safi safi)
• template <typename A> bool  withdraw (const UpdatePacket *p, Safi safi)
• template <typename A> bool  multiprotocol (Safi safi, BGPPeerData::Direction d) const
• virtual int  start_packet (bool ibgp)
• virtual int  add_route (const SubnetRoute<IPv4> &rt, Safi safi)
• virtual int  add_route (const SubnetRoute<IPv6> &rt, Safi safi)
• virtual int  replace_route (const SubnetRoute<IPv4> &old_rt, const SubnetRoute<IPv4> &new_rt, Safi safi)
• virtual int  replace_route (const SubnetRoute<IPv6> &old_rt, const SubnetRoute<IPv6> &new_rt, Safi safi)
• virtual int  delete_route (const SubnetRoute<IPv4> &rt, Safi safi)
• virtual int  delete_route (const SubnetRoute<IPv6> &rt, Safi safi)
• virtual PeerOutputState  push_packet ()
• virtual void  output_no_longer_busy ()
• AsNum  AS_number () const
• const string&  peername () const
• bool  ibgp () const
• virtual const IPv4&  id () const
• uint32_t  neighbour_address () const
• const IPv4&  my_v4_nexthop () const
• const IPv6&  my_v6_nexthop () const
• EventLoop&  eventloop () const

Protected Members

• BGPPlumbing *_plumbing_unicast
• BGPPlumbing *_plumbing_multicast
• bool _ibgp

Detailed Description

PeerHandler's job is primarily format conversion. But it also servers as a handle to tie together the input and output sides of a RIB.

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process_update_packet is called when an update packet has been received by this peer

Given an update packet find all the NLRIs with <AFI,SAFI> specified and inject one by one into the plumbing.

Parameters:

p	- packet to tease apart
safi	- Subsequent address family identifier

Returns: true if an <AFI,SAFI> was found.

Given an update packet find all the WITHDRAWs with <AFI,SAFI> specified and inject one by on into the plumbing.

Parameters:

p	- packet to tease apart
safi	- Subsequent address family identifier

Returns: true if an <AFI,SAFI> was found.

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add_route and delete_route are called by the plumbing to propagate a route *to* the peer.

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Returns: the neighbours BGP ID as an integer for use by decision.

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Returns: the neighbours IP address an as integer for use be decision.

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