dissertation-2-code/config/loader.go

package config

import (
	"gopkg.in/ini.v1"
)

func LoadConfig(path string) (c Configuration, err error) {
	var file *ini.File
	file, err = ini.LoadSources(ini.LoadOptions{
		AllowShadows:           true,
		AllowNonUniqueSections: true,
	}, path)
	if err != nil {
		return
	}

	if s := file.Section("Host"); s != nil {
		err = s.MapTo(&c.Host)
		if err != nil {
			return
		}
	}

	var sections []*ini.Section
	sections, err = file.SectionsByName("Peer")

	for _, s := range sections {
		if s == nil {
			continue
		}

		p := Peer{}
		err = s.MapTo(&p)
		if err != nil {
			return
		}
		c.Peers = append(c.Peers, p)
	}

	err = c.Validate()
	return
}