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/*
Copyright 2014 Canonical Ltd.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License version 3, as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranties of
MERCHANTABILITY, SATISFACTORY QUALITY, 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 polld wraps the account-polld dbus interface
package polld
import (
"errors"
"launchpad.net/ubuntu-push/bus"
"launchpad.net/ubuntu-push/logger"
)
var (
ErrUnconfigured = errors.New("unconfigured.")
)
// polld lives on a well-known bus.Address
var BusAddress bus.Address = bus.Address{
Interface: "com.ubuntu.AccountPolld",
Path: "/com/ubuntu/AccountPolld",
Name: "com.ubuntu.AccountPolld",
}
type Polld interface {
Poll() error
WatchDones() (<-chan bool, error)
}
type polld struct {
endp bus.Endpoint
log logger.Logger
}
func New(endp bus.Endpoint, log logger.Logger) Polld {
return &polld{endp, log}
}
func (p *polld) Poll() error {
if p.endp == nil {
return ErrUnconfigured
}
return p.endp.Call("Poll", nil)
}
func (p *polld) WatchDones() (<-chan bool, error) {
if p.endp == nil {
return nil, ErrUnconfigured
}
ch := make(chan bool)
p.endp.WatchSignal("Done", func(...interface{}) {
ch <- true
}, func() { close(ch) })
return ch, nil
}
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