Inheritance diagram for ola::network::UDPSocket:

Public Member Functions
bool	Init ()
	Initialize the socket.
bool	Bind (const IPV4SocketAddress &endpoint)
	Bind this socket to an external address:port.
bool	GetSocketAddress (IPV4SocketAddress *address) const
	Return the local address this socket is bound to.
bool	Close ()
	Close the socket.
ola::io::DescriptorHandle	ReadDescriptor () const
	Returns the read descriptor for this socket.
ola::io::DescriptorHandle	WriteDescriptor () const
	Returns the write descriptor for this socket.
ssize_t	SendTo (const uint8_t *buffer, unsigned int size, const IPV4Address &ip, unsigned short port) const
	Send data on this UDPSocket.
ssize_t	SendTo (const uint8_t *buffer, unsigned int size, const IPV4SocketAddress &dest) const
	Send data on this UDPSocket.
ssize_t	SendTo (ola::io::IOVecInterface *data, const IPV4Address &ip, unsigned short port) const
	Send data from an IOVecInterface.
ssize_t	SendTo (ola::io::IOVecInterface *data, const IPV4SocketAddress &dest) const
	Send data from an IOVecInterface.
bool	RecvFrom (uint8_t buffer, ssize_t data_read) const
	Receive data.
bool	RecvFrom (uint8_t buffer, ssize_t data_read, IPV4Address &source) const
	Receive data.
bool	RecvFrom (uint8_t buffer, ssize_t data_read, IPV4Address &source, uint16_t &port) const
	Receive data and record the src address & port.
bool	RecvFrom (uint8_t buffer, ssize_t data_read, IPV4SocketAddress *source)
	Receive a datagram on the UDP Socket.
bool	EnableBroadcast ()
	Enable broadcasting for this socket.
bool	SetMulticastInterface (const IPV4Address &iface)
	Set the outgoing interface to be used for multicast transmission.
bool	JoinMulticast (const IPV4Address &iface, const IPV4Address &group, bool multicast_loop=false)
	Join a multicast group.
bool	LeaveMulticast (const IPV4Address &iface, const IPV4Address &group)
	Leave a multicast group.
bool	SetTos (uint8_t tos)
	Set the tos field for a socket.

Member Function Documentation

bool ola::network::UDPSocket::Bind ( const IPV4SocketAddress & endpoint )

virtual

Bind this socket to an external address:port.

Parameters

endpoint the local socket address to bind to.

Returns: true if the bind succeeded, false if it failed.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::Close ( )

virtual

Close the socket.

Returns: true if the call succeeded, false if it failed.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::EnableBroadcast ( )

virtual

Enable broadcasting for this socket.

Returns: true if it worked, false otherwise

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::GetSocketAddress ( IPV4SocketAddress * address ) const

virtual

Return the local address this socket is bound to.

Parameters

[out] address the local socket address this socket is bound to.

Returns: true if the call succeeded, false if it failed.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::Init ( )

virtual

Initialize the socket.

Returns: false if initialization failed.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::JoinMulticast	(	const IPV4Address &	iface,
		const IPV4Address &	group,
		bool	multicast_loop = `false`
	)

virtual

Join a multicast group.

Parameters

iface	the address of the interface to use.
group	the address of the group to join
multicast_loop	enable multicast loop

Returns: true if it worked, false otherwise

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::LeaveMulticast	(	const IPV4Address &	iface,
		const IPV4Address &	group
	)

virtual

Leave a multicast group.

Parameters

iface	the address of the interface to use.
group	the address of the group to join

Returns: true if it worked, false otherwise

Implements ola::network::UDPSocketInterface.

ola::io::DescriptorHandle ola::network::UDPSocket::ReadDescriptor ( ) const

inlinevirtual

Returns the read descriptor for this socket.

Returns: the DescriptorHandle for this descriptor.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::RecvFrom	(	uint8_t *	buffer,
		ssize_t *	data_read
	)		const

virtual

Receive data.

Parameters

buffer	the buffer to store the data
data_read	the size of the buffer, updated with the number of bytes read

Returns: true or false

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::RecvFrom	(	uint8_t *	buffer,
		ssize_t *	data_read,
		IPV4Address &	source
	)		const

virtual

Receive data.

Parameters

buffer	the buffer to store the data
data_read	the size of the buffer, updated with the number of bytes read
source	the src ip of the packet

Returns: true or false

Deprecated:: Use the IPV4SocketAddress version instead.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::RecvFrom	(	uint8_t *	buffer,
		ssize_t *	data_read,
		IPV4Address &	source,
		uint16_t &	port
	)		const

virtual

Receive data and record the src address & port.

Parameters

buffer	the buffer to store the data
data_read	the size of the buffer, updated with the number of bytes read
source	the src ip of the packet
port	the src port of the packet in host byte order

Returns: true or false

Deprecated:: Use the IPV4SocketAddress version instead.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::RecvFrom	(	uint8_t *	buffer,
		ssize_t *	data_read,
		IPV4SocketAddress *	source
	)

virtual

Receive a datagram on the UDP Socket.

Parameters

buffer	the buffer to store the data
data_read	the size of the buffer, updated with the number of bytes read
source	the source of the datagram.

Returns: true or false

Implements ola::network::UDPSocketInterface.

ssize_t ola::network::UDPSocket::SendTo	(	const uint8_t *	buffer,
		unsigned int	size,
		const IPV4Address &	ip,
		unsigned short	port
	)		const

virtual

Send data on this UDPSocket.

Parameters

buffer	the data to send
size	the length of the data
ip	the IP to send to
port	the port to send to in HOST byte order.

Returns: the number of bytes sent.

Deprecated:: Use the IPV4SocketAddress version instead.

Implements ola::network::UDPSocketInterface.

ssize_t ola::network::UDPSocket::SendTo	(	const uint8_t *	buffer,
		unsigned int	size,
		const IPV4SocketAddress &	dest
	)		const

virtual

Send data on this UDPSocket.

Parameters

buffer	the data to send
size	the length of the data
dest	the IP:Port to send the datagram to.

Returns: the number of bytes sent

Implements ola::network::UDPSocketInterface.

ssize_t ola::network::UDPSocket::SendTo	(	ola::io::IOVecInterface *	data,
		const IPV4Address &	ip,
		unsigned short	port
	)		const

virtual

Send data from an IOVecInterface.

Parameters

data	the IOVecInterface class to send.
ip	the IP to send to
port	the port to send to in HOST byte order.

Returns: the number of bytes sent.

Deprecated:: Use the IPV4SocketAddress version instead.

This will try to send as much data as possible. If the data exceeds the MTU the UDP packet will probably get fragmented at the IP layer (depends on OS really). Try to avoid this.

Implements ola::network::UDPSocketInterface.

ssize_t ola::network::UDPSocket::SendTo	(	ola::io::IOVecInterface *	data,
		const IPV4SocketAddress &	dest
	)		const

virtual

Send data from an IOVecInterface.

Parameters

data	the IOVecInterface class to send.
dest	the IPV4SocketAddress to send to

Returns: the number of bytes sent.

This will try to send as much data as possible. If the data exceeds the MTU the UDP packet will probably get fragmented at the IP layer (depends on OS really). Try to avoid this.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::SetMulticastInterface ( const IPV4Address & iface )

virtual

Set the outgoing interface to be used for multicast transmission.

Parameters

iface the address of the interface to use.

Implements ola::network::UDPSocketInterface.

bool ola::network::UDPSocket::SetTos ( uint8_t tos )

virtual

Set the tos field for a socket.

Parameters