cloudinit/third_party/github.com/guelfey/go.dbus/_examples/prop.go
2014-03-12 19:49:02 -07:00

69 lines
1.7 KiB
Go

package main
import (
"fmt"
"github.com/coreos/coreos-cloudinit/third_party/github.com/guelfey/go.dbus"
"github.com/coreos/coreos-cloudinit/third_party/github.com/guelfey/go.dbus/introspect"
"github.com/coreos/coreos-cloudinit/third_party/github.com/guelfey/go.dbus/prop"
"os"
)
type foo string
func (f foo) Foo() (string, *dbus.Error) {
fmt.Println(f)
return string(f), nil
}
func main() {
conn, err := dbus.SessionBus()
if err != nil {
panic(err)
}
reply, err := conn.RequestName("com.github.guelfey.Demo",
dbus.NameFlagDoNotQueue)
if err != nil {
panic(err)
}
if reply != dbus.RequestNameReplyPrimaryOwner {
fmt.Fprintln(os.Stderr, "name already taken")
os.Exit(1)
}
propsSpec := map[string]map[string]*prop.Prop{
"com.github.guelfey.Demo": {
"SomeInt": {
int32(0),
true,
prop.EmitTrue,
func(c *prop.Change) *dbus.Error {
fmt.Println(c.Name, "changed to", c.Value)
return nil
},
},
},
}
f := foo("Bar")
conn.Export(f, "/com/github/guelfey/Demo", "com.github.guelfey.Demo")
props := prop.New(conn, "/com/github/guelfey/Demo", propsSpec)
n := &introspect.Node{
Name: "/com/github/guelfey/Demo",
Interfaces: []introspect.Interface{
introspect.IntrospectData,
prop.IntrospectData,
{
Name: "com.github.guelfey.Demo",
Methods: introspect.Methods(f),
Properties: props.Introspection("com.github.guelfey.Demo"),
},
},
}
conn.Export(introspect.NewIntrospectable(n), "/com/github/guelfey/Demo",
"org.freedesktop.DBus.Introspectable")
fmt.Println("Listening on com.github.guelfey.Demo / /com/github/guelfey/Demo ...")
c := make(chan *dbus.Signal)
conn.Signal(c)
for _ = range c {
}
}