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go-varnishapi

Connect to libvarnish api by cgo

Author:	Shohei Tanaka(@xcir)
Date:	xxxx-xx-xx
Version:	62.trunk
Support Varnish Version:	5.2.x 6.0.x 6.1.x 6.2.x
Manual section:	3

For Python(ctypes)

See this link. https://github.com/xcir/python-varnishapi/

Installation

head

go get github.com/xcir/go-varnishapi/head

For Varnish6.2.x

go get github.com/xcir/go-varnishapi/varnish62

For Varnish6.0.x 6.1.x

go get github.com/xcir/go-varnishapi/varnish60

For Varnish5.2.x

go get github.com/xcir/go-varnishapi/varnish52

---

Versioning

[varnish-version].[library-version]

60.1 is v1 for Varnish6.0.x

DESCRIPTION

Connect to libvarnish api by cgo

Connect to VSL(VarnishLog)

LogInit

Prototype

func LogInit(opts []string, cb_line Callback_line_f, cb_vxid Callback_f, cb_group Callback_f, cb_sig Callback_sig_f) error

Parameter

opts     []string
cb_line  Callback_line_f callback function per line
cb_vxid  Callback_f      callback function per vxid(call per line, if group option set to raw)
cb_group Callback_f      callback function per group(raw, vxid, request, session)
cb_sig   Callback_sig_f  callback signal handler

callbacktype \ group	raw	vxid	request	session
cb_line	per line	per line	per line	per line
cb_vxi	per line	per vxid	per vxid	per vxid
cb_grop	per line	per vxid	per request	per session

Return value

int

Description

Open VSL(using VUT)

Example

func cbfLine(cbd varnishapi.Callbackdata) {
        fmt.Println(cbd)
}
func cbfVxid() {
        fmt.Println(strings.Repeat("-", 20))
}
func cbfGroup() {
        fmt.Println(strings.Repeat("/", 20))
}
func cbSignal(sig int) int {
        //Ignore all signal, if set return 0.
        return sig
}
func main() {
        opts := []string{"-c", "-g", "session"}
        varnishapi.LogInit(opts, cbfLine, cbfVxid, cbfGroup, cbSignal)
        defer varnishapi.LogFini()
        varnishapi.LogRun()
}

LogStop

Prototype

func LogStop()

Parameter

n/a

Return value

n/a

Description

Stop VUT loop

Example

XXXXX

LogRun

Prototype

func LogRun()

Parameter

n/a

Return value

n/a

Description

Attach to VSL

Example

XXXXX

LogFini

Prototype

func LogFini()

Parameter

n/a

Return value

n/a

Description

Finish VUT

Example

XXXXX

Connect to VSC(VarnishStat)

StatInit

Prototype

func StatInit()error

Parameter

n/a

Return value

error

Description

VSC initialize

Example

XXXXX

StatGet

Prototype

func StatGet()map[string]GVA_VSC_point

Parameter

n/a

Return value

map[string]GVA_VSC_point

Description

Get VSC values.

Example

XXXXX

StatFini

Prototype

func StatFini()

Parameter

n/a

Return value

n/a

Description

Finish VSC

Example

XXXXX

COPYRIGHT

go-varnishapi

• Copyright (c) 2018 Shohei Tanaka(@xcir)