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configuration.go
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configuration.go
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/*
* Copyright (C) 2015 Clinton Freeman
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package configuration
import (
"bufio"
"encoding/json"
"os"
"path/filepath"
)
type Configuration struct {
// User interface parameters.
DBUserName string // The name of the user with read/write privileges on DBName
DBPassword string // The password of the user with read/write privileges on DBName.
DBName string // The name of the database that holds the production data.
DBTestName string // The name of the database that holds testing data.
Address string // The address and port that the scout is accessible on.
StaticAssets string // The path to the static assets rendered by the scout.
SummariseInterval int // The number of milliseconds to wait between updating the interaction summaries.
}
func GetDataDir() string {
dir, err := filepath.Abs(filepath.Dir(os.Args[0]) + "/data")
if err != nil {
return ""
}
err = os.Mkdir(dir, 0744)
if os.IsNotExist(err) {
return ""
}
return dir
}
func SaveAsJSON(v interface{}, fileName string) error {
f, err := os.Create(fileName)
if os.IsNotExist(err) {
return err
}
defer f.Close()
w := bufio.NewWriter(f)
b, err := json.MarshalIndent(v, "", " ")
if err != nil {
return err
}
_, err = w.Write(b)
if err != nil {
return err
}
return w.Flush()
}
func Parse(configFile string) (c Configuration, err error) {
c = Configuration{"mtf", "", "mothership", "mothership_test", ":80", "public", 1000}
// Open the configuration file.
file, err := os.Open(configFile)
if err != nil {
return c, err
}
defer file.Close()
// Parse JSON in the configuration file.
decoder := json.NewDecoder(file)
err = decoder.Decode(&c)
return c, err
}