/
settings.go
125 lines (113 loc) · 2.58 KB
/
settings.go
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package main
import (
"errors"
"os"
"path"
"strconv"
"strings"
)
func (sT SettingsToml) parse() Settings {
s := Settings{}
s.Port = sT.Port
s.PreCache = sT.PreCache
var err error
if f, err := os.Open(sT.CacheFolder); err != nil {
exec, err := os.Executable()
if err != nil {
panic(err)
}
f, err = os.Open(path.Dir(exec) + "/" + sT.CacheFolder)
if err != nil {
panic(err)
}
s.CacheFolder = path.Dir(exec) + "/" + sT.CacheFolder
f.Close()
} else {
f.Close()
s.CacheFolder = sT.CacheFolder
}
if f, err := os.Open(sT.InputFolder); err != nil {
exec, err := os.Executable()
if err != nil {
panic(err)
}
f, err = os.Open(path.Dir(exec) + "/" + sT.InputFolder)
if err != nil {
panic(err)
}
s.InputFolder = path.Dir(exec) + "/" + sT.InputFolder
f.Close()
} else {
f.Close()
s.InputFolder = sT.InputFolder
}
exec, err := os.Executable()
if err != nil {
panic(err)
}
if s.LogFile, err = os.OpenFile(exec+"/"+sT.LogFile, os.O_APPEND|os.O_WRONLY, 0600); err != nil {
if s.LogFile, err = os.Create(sT.LogFile); err != nil {
panic(err)
}
}
var suffix string
if s.MaxCacheSize, err = strconv.ParseInt(sT.MaxCacheSize[:len(sT.MaxCacheSize)-2], 10, 64); err != nil {
if s.MaxCacheSize, err = strconv.ParseInt(sT.MaxCacheSize[:len(sT.MaxCacheSize)-3], 10, 64); err != nil {
panic(err)
} else {
suffix = sT.MaxCacheSize[len(sT.MaxCacheSize)-3:]
}
} else {
suffix = sT.MaxCacheSize[len(sT.MaxCacheSize)-2:]
}
switch len(suffix) {
case 1:
switch suffix {
case "b":
case "B":
s.MaxCacheSize *= 8
default:
panic(errors.New("Invalid size suffix " + suffix))
}
case 2:
switch suffix[1] {
case 'b':
case 'B':
s.MaxCacheSize *= 8
default:
panic(errors.New("Invalid size suffix " + suffix))
}
switch strings.ToLower(suffix)[0] {
case 'k':
s.MaxCacheSize *= 1024
case 'm':
s.MaxCacheSize *= 1024 * 1024
case 'g':
s.MaxCacheSize *= 1024 * 1024 * 1024
case 't':
s.MaxCacheSize *= 1024 * 1024 * 1024 * 1024
default:
panic(errors.New("Invalid size suffix " + suffix))
}
default:
panic(errors.New("Invalid size suffix " + suffix))
}
s.MaxCacheSize /= 8
return s
}
type Settings struct {
Port string
CacheFolder string
MaxCacheSize int64 //in byte
InputFolder string
LogFile *os.File
PreCache bool
}
type SettingsToml struct {
Port string `toml:"port"`
CacheFolder string `toml:"cacheFolder"`
MaxCacheSize string `toml:"maxCacheSize"`
InputFolder string `toml:"inputFolder"`
LogFile string `toml:"logFile"`
PreCache bool `toml:"preCache"`
}