forked from clisboa/KoboMail
/
main.go
77 lines (63 loc) · 1.58 KB
/
main.go
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// Package nickeldbus implements all NickelDbus interactions of KoboMail
package nickeldbus
import (
"github.com/godbus/dbus/v5"
"github.com/godbus/dbus/v5/introspect"
"go.uber.org/zap"
)
const (
ndbInterface = "com.github.shermp.nickeldbus"
ndbObjectPath = "/nickeldbus"
)
// DesiredVersion is the NickelDbus version KoboMail works against
const DesiredVersion = "0.2.0"
func getSystemDbusConnection() (*dbus.Conn, error) {
var err error
var ndbConn *dbus.Conn
ndbConn, err = dbus.SystemBus()
if err != nil {
return nil, err
}
return ndbConn, nil
}
func getNdbObject(conn *dbus.Conn) (dbus.BusObject, error) {
var err error
if conn == nil {
conn, err = getSystemDbusConnection()
if err != nil {
return nil, err
}
}
return conn.Object(ndbInterface, ndbObjectPath), nil
}
// IsInstalled returns if NickelDbus is installed
func IsInstalled() bool {
logger := zap.S()
var err error
var ndbObj dbus.BusObject
ndbObj, err = getNdbObject(nil)
if err != nil {
return false
}
_, err = introspect.Call(ndbObj)
installed := err == nil
logger.Debugw("NickelDbus install check", zap.Bool("installed", installed))
return installed
}
// GetVersion returns the current NickelDbus version
func GetVersion() (string, error) {
logger := zap.S()
var err error
var ndbVersion string
var ndbObj dbus.BusObject
ndbObj, err = getNdbObject(nil)
if err != nil {
return "", err
}
err = ndbObj.Call(ndbInterface+".ndbVersion", 0).Store(&ndbVersion)
if err != nil {
return "", err
}
logger.Debugw("NickelDbus version", zap.String("version", ndbVersion))
return ndbVersion, nil
}