Allows to retrieve data from a UDP multicast group. More...

#include <socket.h>

Public Member Functions
const char *	getBuffer ()
	Returns a pointer to the internal buffer, holding the received data.
int	recv ()
	Retrieve data from multicast group.
	UdpMulticastSocket (const int local_port, const std::string multicast_ip="224.0.0.1")
	Creates a socket and joins the multicast group with the given address.
	~UdpMulticastSocket ()
Static Public Attributes
static const int	MAXRECV = 3000
	Maximum number of bytse that can be read at a time.
Private Attributes
char	buf [MAXRECV+1]
sockaddr_in	m_local_addr
int	m_socket

Detailed Description

Allows to retrieve data from a UDP multicast group.

Definition at line 65 of file socket.h.

Constructor & Destructor Documentation

UdpMulticastSocket::UdpMulticastSocket	(	const int	local_port,
		const std::string	multicast_ip = `"224.0.0.1"`
	)

Creates a socket and joins the multicast group with the given address.

Definition at line 20 of file socket.cpp.

UdpMulticastSocket::~UdpMulticastSocket ( )

Definition at line 124 of file socket.cpp.

const char* UdpMulticastSocket::getBuffer ( ) [inline]

Returns a pointer to the internal buffer, holding the received data.

The buffer size may be obtained from MAXRECV.

Definition at line 87 of file socket.h.

int UdpMulticastSocket::recv ( )

Retrieve data from multicast group.

This call is non-blocking.

Definition at line 129 of file socket.cpp.

Definition at line 94 of file socket.h.

Definition at line 92 of file socket.h.

Definition at line 91 of file socket.h.

const int UdpMulticastSocket::MAXRECV = 3000 [static]

Maximum number of bytse that can be read at a time.

Definition at line 70 of file socket.h.

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