forked from mururu/fuji
/
device.go
69 lines (59 loc) · 1.83 KB
/
device.go
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// Copyright 2015-2016 Shiguredo Inc. <fuji@shiguredo.jp>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package device
import (
log "github.com/Sirupsen/logrus"
"github.com/shiguredo/fuji/broker"
"github.com/shiguredo/fuji/config"
"github.com/shiguredo/fuji/message"
)
type Devicer interface {
Start(chan message.Message) error
DeviceType() string
Stop() error
AddSubscribe() error
}
// NewDevices is a factory method to create various kind of devices from config.Config
func NewDevices(conf config.Config, brokers []*broker.Broker) ([]Devicer, []DeviceChannel, error) {
var ret []Devicer
var devChannels []DeviceChannel
var err error
for _, section := range conf.Sections {
if section.Type != "device" {
continue
}
var device Devicer
devChan := NewDeviceChannel()
devChannels = append(devChannels, devChan)
switch section.Values["type"] {
case "dummy":
device, err = NewDummyDevice(section, brokers, devChan)
if err != nil {
log.Errorf("could not create dummy device, %v", err)
continue
}
case "serial":
device, err = NewSerialDevice(section, brokers, devChan)
if err != nil {
log.Errorf("could not create serial device, %v", err)
continue
}
default:
log.Warnf("unknown device type, %v", section.Arg)
continue
}
ret = append(ret, device)
}
return ret, devChannels, nil
}