NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
nfd::face::LpFragmenter Class Reference

fragments network-layer packets into NDNLPv2 link-layer packets More...

#include <lp-fragmenter.hpp>


struct  Options
 Options that control the behavior of LpFragmenter. More...

Public Member Functions

 LpFragmenter (const Options &options, const LinkService *linkService=nullptr)
void setOptions (const Options &options)
 set options for fragmenter More...
const LinkServicegetLinkService () const
std::tuple< bool, std::vector< lp::Packet > > fragmentPacket (const lp::Packet &packet, size_t mtu)
 fragments a network-layer packet into link-layer packets More...

Detailed Description

fragments network-layer packets into NDNLPv2 link-layer packets

See also

Definition at line 42 of file lp-fragmenter.hpp.

Constructor & Destructor Documentation

◆ LpFragmenter()

nfd::face::LpFragmenter::LpFragmenter ( const Options options,
const LinkService linkService = nullptr 

Definition at line 60 of file lp-fragmenter.cpp.

Member Function Documentation

◆ setOptions()

void nfd::face::LpFragmenter::setOptions ( const Options options)

set options for fragmenter

Definition at line 67 of file lp-fragmenter.cpp.

Referenced by nfd::face::GenericLinkService::setOptions().

◆ getLinkService()

const LinkService * nfd::face::LpFragmenter::getLinkService ( ) const
LinkService that owns this instance

This is only used for logging, and may be nullptr.

Definition at line 73 of file lp-fragmenter.cpp.

Referenced by nfd::face::operator<<().

◆ fragmentPacket()

std::tuple< bool, std::vector< lp::Packet > > nfd::face::LpFragmenter::fragmentPacket ( const lp::Packet packet,
size_t  mtu 

fragments a network-layer packet into link-layer packets

packetan LpPacket that contains a network-layer packet; must have Fragment field, must not have FragIndex and FragCount fields
mtumaximum allowable LpPacket size after fragmentation and sequence number assignment
whether fragmentation succeeded, fragmented packets without sequence number

Definition at line 79 of file lp-fragmenter.cpp.

References ndn::lp::Packet::add(), ndn::Block::elements(), ndn::lp::tlv::Fragment, ndn::lp::Packet::get(), ndn::lp::Packet::has(), ndn::lp::tlv::LpPacket, nfd::face::MAX_FRAG_OVERHEAD, nfd::face::MAX_SINGLE_FRAG_OVERHEAD, NFD_LOG_FACE_WARN, nfd::face::LpFragmenter::Options::nMaxFragments, ndn::lp::Packet::set(), ndn::Block::size(), ndn::Block::type(), and ndn::lp::Packet::wireEncode().

The documentation for this class was generated from the following files: