node_exporter/vendor/github.com/kolo/xmlrpc/request.go

58 lines
1.1 KiB
Go

package xmlrpc
import (
"bytes"
"fmt"
"net/http"
)
func NewRequest(url string, method string, args interface{}) (*http.Request, error) {
var t []interface{}
var ok bool
if t, ok = args.([]interface{}); !ok {
if args != nil {
t = []interface{}{args}
}
}
body, err := EncodeMethodCall(method, t...)
if err != nil {
return nil, err
}
request, err := http.NewRequest("POST", url, bytes.NewReader(body))
if err != nil {
return nil, err
}
request.Header.Set("Content-Type", "text/xml")
request.Header.Set("Content-Length", fmt.Sprintf("%d", len(body)))
return request, nil
}
func EncodeMethodCall(method string, args ...interface{}) ([]byte, error) {
var b bytes.Buffer
b.WriteString(`<?xml version="1.0" encoding="UTF-8"?>`)
b.WriteString(fmt.Sprintf("<methodCall><methodName>%s</methodName>", method))
if args != nil {
b.WriteString("<params>")
for _, arg := range args {
p, err := marshal(arg)
if err != nil {
return nil, err
}
b.WriteString(fmt.Sprintf("<param>%s</param>", string(p)))
}
b.WriteString("</params>")
}
b.WriteString("</methodCall>")
return b.Bytes(), nil
}