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package rrdformat
import (
"encoding/xml"
"strconv"
"git.lukeshu.com/go/librrd/rrdformat/rrdbinary"
)
//const XMLNS = "https://oss.oetiker.ch/rrdtool/rrdtool-dump.xml"
func xmlStart(name string) xml.StartElement {
return xml.StartElement{
Name: xml.Name{
Local: name,
},
}
}
func (rrd RRD) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
if err := e.EncodeToken(xml.Comment(" Round Robin Database Dump ")); err != nil {
return err
}
if err := e.EncodeToken(xml.CharData("\n")); err != nil {
return err
}
if err := e.EncodeToken(start); err != nil {
return err
}
// 1. Version
if err := e.EncodeElement(rrd.Header.Version, xmlStart("version")); err != nil {
return err
}
// 2. Step
if err := e.EncodeElement(rrd.Header.PDPStep, xmlStart("step")); err != nil {
return err
}
if err := e.EncodeToken(xml.CharData(" ")); err != nil {
return err
}
if err := e.EncodeToken(xml.Comment(" Seconds ")); err != nil {
return err
}
// 3. Last Update
if err := e.EncodeElement(rrd.LastUpdated, xmlStart("lastupdate")); err != nil {
return err
}
// blank line
if err := e.EncodeToken(xml.CharData("\n")); err != nil {
return err
}
// 3. Data Sources
for i := range rrd.DSDefs {
// 0. Start
dsEl := xmlStart("ds")
if err := e.EncodeToken(dsEl); err != nil {
return err
}
// 1. ds_def main
if err := e.EncodeElement(" "+rrd.DSDefs[i].DSName+" ", xmlStart("name")); err != nil {
return err
}
if err := e.EncodeElement(" "+rrd.DSDefs[i].DSType+" ", xmlStart("type")); err != nil {
return err
}
// 2. ds_def parameters
switch rrd.DSDefs[i].DSType {
case DST_CDEF:
var rpnps []rrdbinary.RPNToken
for _, param := range rrd.DSDefs[i].Parameters {
rpnps = append(rpnps, param.AsRPNTokens()...)
}
str, err := rrd.RPNCompactToString(rpnps)
if err != nil {
return err
}
if err := e.EncodeElement(str, xmlStart("cdef")); err != nil {
return err
}
default:
if err := e.EncodeElement(rrd.DSDefs[i].Parameters[DSParam_MRHBCnt].AsULong(), xmlStart("minimal_heartbeat")); err != nil {
return err
}
if err := e.EncodeElement(rrd.DSDefs[i].Parameters[DSParam_MinVal].AsDouble(), xmlStart("min")); err != nil {
return err
}
if err := e.EncodeElement(rrd.DSDefs[i].Parameters[DSParam_MaxVal].AsDouble(), xmlStart("max")); err != nil {
return err
}
}
// 3. Separator
if err := e.EncodeToken(xml.CharData("\n\n")); err != nil {
return err
}
if err := e.EncodeToken(xml.Comment(" PDP Status ")); err != nil {
return err
}
// 4. pdp_prep main
if err := e.EncodeElement(rrd.PDPPreps[i].LastDS, xmlStart("last_ds")); err != nil {
return err
}
if err := e.EncodeElement(rrd.PDPPreps[i].Scratch[PDPScratch_Value].AsDouble(), xmlStart("value")); err != nil {
return err
}
if err := e.EncodeElement(rrd.PDPPreps[i].Scratch[PDPScratch_UnknownSecCnt].AsULong(), xmlStart("unknown_sec")); err != nil {
return err
}
// 5. End
if err := e.EncodeToken(dsEl.End()); err != nil {
return err
}
}
// 4. Round Robin Archives
if err := e.EncodeToken(xml.CharData("\n\n")); err != nil {
return err
}
if err := e.EncodeToken(xml.Comment(" Round Robin Archives ")); err != nil {
return err
}
for _, rra := range rrd.RRADefs {
if err := e.EncodeElement(rra, xmlStart("rra")); err != nil {
return err
}
}
if err := e.EncodeToken(start.End()); err != nil {
return err
}
return nil
}
func (t TimeWithUsec) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
if err := e.EncodeToken(start); err != nil {
return err
}
if err := e.EncodeToken(xml.CharData(strconv.FormatInt(int64(t.Sec), 10))); err != nil {
return err
}
if err := e.EncodeToken(start.End()); err != nil {
return err
}
if err := e.EncodeToken(xml.CharData(" ")); err != nil {
return err
}
if err := e.EncodeToken(xml.Comment(t.Time().Format(" 2006-01-02 15:04:05 MST "))); err != nil {
return err
}
return nil
}
|
