fastmm::net::McastInterface Struct Reference

Interface for multicast membership and IP_MULTICAST_IF: an IPv4 address or an interface index. More...

#include <fastmm/net/udp_socket.hpp>

Static Public Member Functions
static int	resolve (std::string_view spec, McastInterface &out) noexcept
	"" (kernel's choice), a dotted-quad address, or an interface name ("eth0", resolved with if_nametoindex).

Public Attributes
std::uint32_t	addr_be = 0
unsigned	index = 0

Detailed Description

Interface for multicast membership and IP_MULTICAST_IF: an IPv4 address or an interface index.

Both zero lets the kernel pick the interface from the routing table.

Member Function Documentation

resolve()

static int fastmm::net::McastInterface::resolve ( std::string_view  spec, McastInterface &  out  )

staticnoexcept

"" (kernel's choice), a dotted-quad address, or an interface name ("eth0", resolved with if_nametoindex).

Returns 0 or -errno (-ENODEV for an unknown name).

Member Data Documentation

addr_be

std::uint32_t fastmm::net::McastInterface::addr_be = 0

index

unsigned fastmm::net::McastInterface::index = 0