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# VTLA - Vinyl Three Letter Acronyms

Very early in the project, we made a fortunate bargain on eBay, buying up a batch of 676 three letter acronyms, all starting with ‘V’.

This page tells you what we use them for, if & when we remember to add them…

VAV

  Vinyl Arg Vector – Argv parsing.

VBE

  Vinyl Back End – Code for contacting backends (bin/Vinyld/cache_backend.c)

VBP

  Vinyl Backend Polling – Health checks of backends (bin/Vinyld/cache_backend_poll.c)

VCA

  Vinyl Connection Acceptor – The code that receives/accepts the TCP connections (bin/Vinyld/cache_acceptor.c)

VCC

  VCL to C Compiler – The code that compiles VCL to C code. (lib/libvcl)

VCF

  Vinyl CatFlap

VCL

  Vinyl Configuration Language – The domain-specific programming language used for configuring a Vinyld.

VCT

  Vinyl CType(3) – Character classification for RFC2616 and XML parsing.

VDD

  Vinyl (Core) Developer Day – Quarterly invite-only meeting strictly for Vinyl core (C) developers, packagers and VMOD hackers.

VENC

  Vinyl ENCoding – base64 functions

VEND

  Vinyl ENDianess – functions to marshall data in specified endianness

VEV

  Vinyl EVent – library functions to implement a simple event-dispatcher.

VEXT

  Vinyl Extension – Shared library loaded into the child process.

VGB

  Vinyl Governing Board – May or may not exist. If you need to ask, you are not on it.

VGC

  Vinyl Generated Code – Code generated by VCC from VCL.

VIN

  Vinyl Instance Naming – Resolution of -n arguments.

VLU

  Vinyl Line Up – library functions to collect stream of bytes into lines for processing. (lib/libVinyl/vlu.c)

VPI

  VCC Private Interface – functions in Vinyld which only VCC is allowed to call.

VRE

  Vinyl Regular Expression – library functions for regular expression based matching and substring replacement. (lib/libVinyl/vre.c)

VRT

  Vinyl Run Time – functions called from compiled code. (bin/Vinyld/cache_vrt.c)

VRY

  VaRY – Related to processing of Vary: HTTP headers. (bin/Vinyld/cache_vary.c)

VSL

  Vinyl Shared memory Log – The log written into the shared memory segment for Vinyl{log,ncsa,top,hist} to see.

VSB

  Vinyl string Buffer – a copy of the FreeBSD “sbuf” library, for safe string handling.

VSC

  Vinyl Statistics Counter – counters for various stats, exposed via Vinylapi.

VSS

  Vinyl Session Stuff – library functions to wrap DNS/TCP. (lib/libVinyl/vss.c)

VTC

  Vinyl Test Code – a test-specification for the Vinyltest program.

VTE

  Vinyl Turbo Encabulator

VTLA

  Vinyl Three Letter Acronym – No rule without an exception.

VUG

  Vinyl User Group meeting – Half-yearly event where the users and developers of Vinyl Cache gather to share experiences and plan future development.

VUT

  Vinyl UTilities – An API for client utilities to tap into VSM or VSC.

VWx

  Vinyl Waiter ‘x’ – A code module to monitor idle sessions.

VWE

  Vinyl Waiter Epoll – epoll(2) (linux) based waiter module.

VWK

  Vinyl Waiter Kqueue – kqueue(2) (freebsd) based waiter module.

VWP

  Vinyl Waiter Poll – poll(2) based waiter module.

VWS

  Vinyl Waiter Solaris – Solaris ports(2) based waiter module.

## COPYRIGHT

This document is licensed under the same licence as Vinyl itself. See LICENCE for details.

- Copyright (c) 2019 Vinyl Software AS