NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
nfd::face::DatagramTransport< Protocol, Addressing > Class Template Reference

Implements Transport for datagram-based protocols. More...

#include <datagram-transport.hpp>

Inheritance diagram for nfd::face::DatagramTransport< Protocol, Addressing >:
Collaboration diagram for nfd::face::DatagramTransport< Protocol, Addressing >:

Public Types

using protocol = Protocol
 
- Public Types inherited from nfd::face::Transport
using Counters = TransportCounters
 Counters provided by a transport. More...
 

Public Member Functions

 DatagramTransport (typename protocol::socket &&socket)
 Construct datagram transport. More...
 
ssize_t getSendQueueLength () override
 
void receiveDatagram (span< const uint8_t > buffer, const boost::system::error_code &error)
 Receive datagram, translate buffer into packet, deliver to parent class. More...
 
- Public Member Functions inherited from nfd::face::Transport
 Transport ()
 Default constructor. More...
 
virtual ~Transport ()
 
void setFaceAndLinkService (Face &face, LinkService &service)
 set Face and LinkService for Transport More...
 
const FacegetFace () const
 
const LinkServicegetLinkService () const
 
LinkServicegetLinkService ()
 
virtual const CountersgetCounters () const
 
void close ()
 Request the transport to be closed. More...
 
void send (const Block &packet)
 Send a link-layer packet. More...
 
FaceUri getLocalUri () const
 
FaceUri getRemoteUri () const
 
ndn::nfd::FaceScope getScope () const
 
ndn::nfd::FacePersistency getPersistency () const
 
bool canChangePersistencyTo (ndn::nfd::FacePersistency newPersistency) const
 check whether the face persistency can be changed to newPersistency More...
 
void setPersistency (ndn::nfd::FacePersistency newPersistency)
 changes face persistency setting More...
 
ndn::nfd::LinkType getLinkType () const
 
ssize_t getMtu () const
 
ssize_t getSendQueueCapacity () const
 
TransportState getState () const
 
time::steady_clock::TimePoint getExpirationTime () const
 

Protected Member Functions

void doClose () override
 performs Transport specific operations to close the transport More...
 
void doSend (const Block &packet) override
 performs Transport specific operations to send a packet More...
 
void handleSend (const boost::system::error_code &error, size_t nBytesSent)
 
void handleReceive (const boost::system::error_code &error, size_t nBytesReceived)
 
void processErrorCode (const boost::system::error_code &error)
 
bool hasRecentlyReceived () const
 
void resetRecentlyReceived ()
 
 NFD_LOG_MEMBER_DECL ()
 
template<>
EndpointId makeEndpointId (const protocol::endpoint &ep)
 
template<>
EndpointId makeEndpointId (const protocol::endpoint &ep)
 
- Protected Member Functions inherited from nfd::face::Transport
void receive (const Block &packet, const EndpointId &endpoint=0)
 Pass a received link-layer packet to the upper layer for further processing. More...
 
void setLocalUri (const FaceUri &uri)
 
void setRemoteUri (const FaceUri &uri)
 
void setScope (ndn::nfd::FaceScope scope)
 
void setLinkType (ndn::nfd::LinkType linkType)
 
void setMtu (ssize_t mtu)
 
void setSendQueueCapacity (ssize_t sendQueueCapacity)
 
void setState (TransportState newState)
 set transport state More...
 
void setExpirationTime (const time::steady_clock::TimePoint &expirationTime)
 
virtual bool canChangePersistencyToImpl (ndn::nfd::FacePersistency newPersistency) const
 invoked by canChangePersistencyTo to perform the check More...
 
virtual void afterChangePersistency (ndn::nfd::FacePersistency oldPersistency)
 invoked after the persistency has been changed More...
 

Static Protected Member Functions

static EndpointId makeEndpointId (const typename protocol::endpoint &ep)
 

Protected Attributes

protocol::socket m_socket
 
protocol::endpoint m_sender
 
- Protected Attributes inherited from nfd::face::TransportCounters
PacketCounter nInPackets
 count of incoming packets More...
 
PacketCounter nOutPackets
 count of outgoing packets More...
 
ByteCounter nInBytes
 total incoming bytes More...
 
ByteCounter nOutBytes
 total outgoing bytes More...
 

Additional Inherited Members

- Public Attributes inherited from nfd::face::Transport
signal::Signal< Transport, TransportState, TransportStateafterStateChange
 signals when transport state changes More...
 

Detailed Description

template<class Protocol, class Addressing = Unicast>
class nfd::face::DatagramTransport< Protocol, Addressing >

Implements Transport for datagram-based protocols.

Template Parameters
Protocola datagram-based protocol in Boost.Asio

Definition at line 46 of file datagram-transport.hpp.

Member Typedef Documentation

◆ protocol

template<class Protocol, class Addressing = Unicast>
using nfd::face::DatagramTransport< Protocol, Addressing >::protocol = Protocol

Definition at line 49 of file datagram-transport.hpp.

Constructor & Destructor Documentation

◆ DatagramTransport()

template<class Protocol, class Addressing = Unicast>
nfd::face::DatagramTransport< T, U >::DatagramTransport ( typename protocol::socket &&  socket)
explicit

Construct datagram transport.

Parameters
socketProtocol-specific socket for the created transport

Definition at line 105 of file datagram-transport.hpp.

Member Function Documentation

◆ getSendQueueLength()

template<class T , class U >
ssize_t nfd::face::DatagramTransport< T, U >::getSendQueueLength ( )
overridevirtual
Returns
current send queue length of the transport (in octets)
Return values
QUEUE_UNSUPPORTEDtransport does not support queue length retrieval
QUEUE_ERRORtransport was unable to retrieve the queue length

Reimplemented from nfd::face::Transport.

Definition at line 128 of file datagram-transport.hpp.

◆ receiveDatagram()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::receiveDatagram ( span< const uint8_t >  buffer,
const boost::system::error_code &  error 
)

Receive datagram, translate buffer into packet, deliver to parent class.

Definition at line 173 of file datagram-transport.hpp.

Referenced by nfd::face::UdpChannel::listen().

◆ doClose()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::doClose ( )
overrideprotectedvirtual

performs Transport specific operations to close the transport

This is invoked once by close() after changing state to CLOSING. It will not be invoked by Transport class if the transport is already CLOSING or CLOSED.

When the cleanup procedure is complete, this method should change state to CLOSED. This transition can happen synchronously or asynchronously.

Implements nfd::face::Transport.

Definition at line 139 of file datagram-transport.hpp.

Referenced by nfd::face::MulticastUdpTransport::getSendQueueLength().

◆ doSend()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::doSend ( const Block packet)
overrideprotectedvirtual

performs Transport specific operations to send a packet

Parameters
packetthe packet to be sent, can be assumed to be valid and well-formed
Precondition
transport state is either UP or DOWN

Implements nfd::face::Transport.

Definition at line 160 of file datagram-transport.hpp.

◆ handleSend()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::handleSend ( const boost::system::error_code &  error,
size_t  nBytesSent 
)
protected

Definition at line 214 of file datagram-transport.hpp.

◆ handleReceive()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::handleReceive ( const boost::system::error_code &  error,
size_t  nBytesReceived 
)
protected

Definition at line 201 of file datagram-transport.hpp.

◆ processErrorCode()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::processErrorCode ( const boost::system::error_code &  error)
protected

Definition at line 224 of file datagram-transport.hpp.

◆ hasRecentlyReceived()

template<class T , class U >
bool nfd::face::DatagramTransport< T, U >::hasRecentlyReceived ( ) const
protected

Definition at line 248 of file datagram-transport.hpp.

◆ resetRecentlyReceived()

template<class T , class U >
void nfd::face::DatagramTransport< T, U >::resetRecentlyReceived ( )
protected

Definition at line 255 of file datagram-transport.hpp.

◆ makeEndpointId() [1/3]

template<class T , class U >
EndpointId nfd::face::DatagramTransport< T, U >::makeEndpointId ( const typename protocol::endpoint &  ep)
staticprotected

Definition at line 262 of file datagram-transport.hpp.

◆ NFD_LOG_MEMBER_DECL()

template<class Protocol, class Addressing = Unicast>
nfd::face::DatagramTransport< Protocol, Addressing >::NFD_LOG_MEMBER_DECL ( )
protected

◆ makeEndpointId() [2/3]

template<>
EndpointId nfd::face::DatagramTransport< boost::asio::ip::udp, Multicast >::makeEndpointId ( const protocol::endpoint &  ep)
protected

Definition at line 195 of file multicast-udp-transport.cpp.

◆ makeEndpointId() [3/3]

template<>
EndpointId nfd::face::DatagramTransport< boost::asio::ip::udp, Multicast >::makeEndpointId ( const protocol::endpoint &  ep)
protected

Member Data Documentation

◆ m_socket

template<class Protocol, class Addressing = Unicast>
protocol::socket nfd::face::DatagramTransport< Protocol, Addressing >::m_socket
protected

Definition at line 93 of file datagram-transport.hpp.

◆ m_sender

template<class Protocol, class Addressing = Unicast>
protocol::endpoint nfd::face::DatagramTransport< Protocol, Addressing >::m_sender
protected

Definition at line 94 of file datagram-transport.hpp.


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