Module nic 

Network interface utilities for GigE Vision streaming.

This module provides helpers for querying network interface capabilities and constructing UDP sockets tuned for high-throughput GVSP traffic. The functionality is intentionally conservative so it can operate on most Unix like systems without additional privileges. Platform specific code paths are gated via conditional compilation and otherwise fall back to sane defaults.

Structs

BufferPool

Simple lock-free pool for reusable buffers backing frame assembly.

Iface

Representation of a host network interface.

McOptions

Multicast socket options applied while binding.

Constants

DEFAULT_RCVBUF_BYTES

Default socket receive buffer size used when the caller does not provide a custom value. The number mirrors what many operating systems allow without requiring elevated privileges.

Functions

best_packet_size

Compute an optimal GVSP payload size from the link MTU.

bind_multicast

Bind a UDP socket subscribed to the provided multicast group on the interface.

bind_udp

Bind a UDP socket configured for GVSP traffic.

default_bind_addr

Helper returning the default bind address for discovery convenience.

join_multicast

Subscribe the provided socket to a multicast group on the supplied interface.

mtu

Read the MTU configured for the provided interface.