socketbuffer

README

socketbuffer

Sync files between different hosts over a one way network link such as a Data Diode

Exports

• GetReadBuffer: returns the size of the rx buffer
• GetAvailableBytes: returns the amount of bytes on the listening socket

Works on linux, windows and mac

Go 1.13-1.19

Documentation

Overview

Copyright 2020 The Prometheus Authors Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. FROM: https://github.com/prometheus/procfs/blob/master/net_ip_socket.go

Index

• func GetAvailableBytes(rawconn syscall.RawConn) (int, error)
• func GetReadBuffer(rawconn syscall.RawConn) (int, error)
• type NetIPSocket
  • func NewNetIPSocket(file string) (NetIPSocket, error)

Functions

func GetAvailableBytes

func GetAvailableBytes(rawconn syscall.RawConn) (int, error)

Under linux FIONREAD returns the size of the waiting datagram if one exists and not the total available bytes See: https://manpages.debian.org/bullseye/manpages/udp.7.en.html#FIONREAD Sadly the only way to get the available bytes under linux is through proc/udp

func GetReadBuffer

func GetReadBuffer(rawconn syscall.RawConn) (int, error)

Types

type NetIPSocket

type NetIPSocket []*netIPSocketLine

NetIPSocket represents the contents of /proc/net/{t,u}dp{,6} file without the header.

func NewNetIPSocket

func NewNetIPSocket(file string) (NetIPSocket, error)