adding the sources

config/config.go

@@ -0,0 +1,73 @@
+package config
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"launchpad.net/goyaml"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+type Config struct {
+	SuspendCmd, LockCmd string
+}
+
+func (c *Config) Suspend() (err error) {
+	args := strings.Split(c.SuspendCmd, " ")
+	cmd := exec.Command(args[0], args[1:]...)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		fmt.Println(err)
+	}
+	stderr, err := cmd.StderrPipe()
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	go io.Copy(os.Stdout, stdout)
+	go io.Copy(os.Stderr, stderr)
+
+	err = cmd.Run()
+	return
+}
+
+func (c *Config) Lock() (err error) {
+	args := strings.Split(c.LockCmd, " ")
+	cmd := exec.Command(args[0], args[1:]...)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		fmt.Println(err)
+	}
+	stderr, err := cmd.StderrPipe()
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	go io.Copy(os.Stdout, stdout)
+	go io.Copy(os.Stderr, stderr)
+
+	err = cmd.Run()
+	return
+}
+
+func ReadConfig(filename string) (c *Config, err error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, err
+	}
+
+	b, err := ioutil.ReadAll(file)
+	if err != nil {
+		return nil, err
+	}
+
+	c = &Config{}
+	err = goyaml.Unmarshal(b, c)
+	if err != nil {
+		return nil, err
+	}
+
+	return c, nil
+}