#include <UDPDatagramService.h>

Inheritance diagram for dtn::net::UDPDatagramService:

Collaboration diagram for dtn::net::UDPDatagramService:

Public Member Functions
	UDPDatagramService (const ibrcommon::vinterface &iface, int port, size_t mtu=1280)

virtual	~UDPDatagramService ()

virtual void	bind () throw (DatagramException)

virtual void	shutdown ()

virtual void	send (const char &type, const char &flags, const unsigned int &seqno, const std::string &address, const char *buf, size_t length) throw (DatagramException)

virtual void	send (const char &type, const char &flags, const unsigned int &seqno, const char *buf, size_t length) throw (DatagramException)

virtual size_t	recvfrom (char *buf, size_t length, char &type, char &flags, unsigned int &seqno, std::string &address) throw (DatagramException)

virtual const std::string	getServiceTag () const

virtual const std::string	getServiceDescription () const

virtual const ibrcommon::vinterface &	getInterface () const

virtual dtn::core::Node::Protocol	getProtocol () const

virtual const DatagramService::Parameter &	getParameter () const

Public Member Functions inherited from dtn::net::DatagramService
virtual	~DatagramService ()=0

Additional Inherited Members
Public Types inherited from dtn::net::DatagramService
enum	FLOWCONTROL { FLOW_NONE = 0, FLOW_STOPNWAIT = 1 }

enum	HEADER_FLAGS { SEGMENT_FIRST = 0x02, SEGMENT_LAST = 0x01, SEGMENT_MIDDLE = 0x00 }

Detailed Description

Definition at line 34 of file UDPDatagramService.h.

Constructor & Destructor Documentation

dtn::net::UDPDatagramService::UDPDatagramService	(	const ibrcommon::vinterface &	iface,
		int	port,
		size_t	mtu = `1280`
	)

Definition at line 35 of file UDPDatagramService.cpp.

References dtn::net::DatagramService::FLOW_STOPNWAIT, dtn::net::DatagramService::Parameter::flowcontrol, dtn::net::DatagramService::Parameter::initial_timeout, dtn::net::DatagramService::Parameter::max_msg_length, dtn::net::DatagramService::Parameter::max_seq_numbers, and dtn::net::DatagramService::Parameter::seq_check.

dtn::net::UDPDatagramService::~UDPDatagramService ( )

virtual

Definition at line 46 of file UDPDatagramService.cpp.

References ibrcommon::vsocket::destroy().

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Member Function Documentation

void dtn::net::UDPDatagramService::bind ( ) throw (DatagramException)

virtual

Bind to the local socket.

Exceptions

If	the bind fails, an DatagramException is thrown.

Implements dtn::net::DatagramService.

Definition at line 56 of file UDPDatagramService.cpp.

References ibrcommon::vsocket::add(), ibrcommon::vsocket::destroy(), ibrcommon::vinterface::empty(), ibrcommon::socket_raw_error::error(), ibrcommon::LogLevel::error, ibrcommon::vaddress::family(), ibrcommon::vinterface::getAddresses(), IBRCOMMON_LOGGER_DEBUG_TAG, IBRCOMMON_LOGGER_ENDL, IBRCOMMON_LOGGER_TAG, ibrcommon::multicastsocket::join(), ibrcommon::vaddress::setService(), ibrcommon::vinterface::toString(), ibrcommon::vaddress::toString(), ibrcommon::vsocket::up(), ibrcommon::Exception::what(), and ibrcommon::socket_raw_error::what().

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const ibrcommon::vinterface & dtn::net::UDPDatagramService::getInterface ( ) const

virtual

The used interface as vinterface object.

Returns: A vinterface object.

Implements dtn::net::DatagramService.

Definition at line 276 of file UDPDatagramService.cpp.

const DatagramService::Parameter & dtn::net::UDPDatagramService::getParameter ( ) const

virtual

Returns the parameter for the connection.

Returns

Implements dtn::net::DatagramService.

Definition at line 290 of file UDPDatagramService.cpp.

dtn::core::Node::Protocol dtn::net::UDPDatagramService::getProtocol ( ) const

virtual

The protocol identifier for this type of service.

Returns

Implements dtn::net::DatagramService.

Definition at line 285 of file UDPDatagramService.cpp.

References dtn::core::Node::CONN_DGRAM_UDP.

const std::string dtn::net::UDPDatagramService::getServiceDescription ( ) const

virtual

Get the service description for this convergence layer. This data is used to contact this node.

Returns: The service description as string.

Implements dtn::net::DatagramService.

Definition at line 245 of file UDPDatagramService.cpp.

References ibrcommon::vaddress::family(), ibrcommon::vinterface::getAddresses(), IBRCOMMON_LOGGER_DEBUG_TAG, IBRCOMMON_LOGGER_ENDL, and ibrcommon::Exception::what().

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const std::string dtn::net::UDPDatagramService::getServiceTag ( ) const

virtual

Get the tag for this service used in discovery messages.

Returns: The tag as string.

Implements dtn::net::DatagramService.

Definition at line 235 of file UDPDatagramService.cpp.

size_t dtn::net::UDPDatagramService::recvfrom	(	char *	buf,
		size_t	length,
		char &	type,
		char &	flags,
		unsigned int &	seqno,
		std::string &	address
	)		throw (DatagramException)

virtual

Receive an incoming datagram.

Parameters

buf	A buffer to catch the incoming data.
length	The length of the buffer.
address	A buffer for the address of the sender.

Exceptions

If	the receive call failed for any reason, an DatagramException is thrown.

Returns: The number of received bytes.

Implements dtn::net::DatagramService.

Definition at line 190 of file UDPDatagramService.cpp.

References IBRCOMMON_LOGGER_DEBUG_TAG, IBRCOMMON_LOGGER_ENDL, ibrcommon::datagramsocket::recvfrom(), and ibrcommon::vaddress::toString().

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void dtn::net::UDPDatagramService::send	(	const char &	type,
		const char &	flags,
		const unsigned int &	seqno,
		const std::string &	identifier,
		const char *	buf,
		size_t	length
	)		throw (DatagramException)

virtual

Send the payload as datagram to a defined destination

Parameters

address	The destination address encoded as string.
buf	The buffer to send.
length	The number of available bytes in the buffer.

Implements dtn::net::DatagramService.

Definition at line 126 of file UDPDatagramService.cpp.

void dtn::net::UDPDatagramService::send	(	const char &	type,
		const char &	flags,
		const unsigned int &	seqno,
		const char *	buf,
		size_t	length
	)		throw (DatagramException)