/
main.go
116 lines (89 loc) · 2.71 KB
/
main.go
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package main
import (
"bytes"
"log"
"os/exec"
"strconv"
"strings"
"time"
"code.google.com/p/gorest"
"net/http"
)
var port = ":5555"
func main() {
gorest.RegisterService(new(HelloService)) //Register our service
http.Handle("/", gorest.Handle())
http.ListenAndServe(port, nil)
}
//Service Definition
type HelloService struct {
gorest.RestService `root:"/gohomepi/"`
enable gorest.EndPoint `method:"GET" path:"/enable/{name:string}" output:"string"`
enableAfter gorest.EndPoint `method:"GET" path:"/enable/{name:string}/after/{s:int}" output:"string"`
disable gorest.EndPoint `method:"GET" path:"/disable/{name:string}" output:"string"`
disableAfter gorest.EndPoint `method:"GET" path:"/disable/{name:string}/after/{s:int}" output:"string"`
}
func (serv HelloService) Enable(name string) string {
log.Print("Will [enable] device [", name, "]")
c := make(chan string)
go switchState("--on", name, c)
go logOnSuccess(name, c)
return name
}
func (serv HelloService) EnableAfter(name string, s int) string {
log.Print("Will [enable] device [", name, "] in [", s, "] seconds...")
c := make(chan string)
go switchStateAfter("--on", name, s, c)
go logOnSuccess(name, c)
return "enable [" + name + "] scheduled in [" + strconv.Itoa(s) + "] seconds...\n"
}
func (serv HelloService) Disable(name string) string {
log.Print("Will [disable] device [", name, "]")
c := make(chan string)
go switchState("--off", name, c)
go logOnSuccess(name, c)
return name
}
func (serv HelloService) DisableAfter(name string, s int) string {
log.Print("Will [disable] device [", name, "] in [", s, "] seconds...")
c := make(chan string)
go switchStateAfter("--off", name, s, c)
go logOnSuccess(name, c)
return "disable [" + name + "] scheduled in [" + strconv.Itoa(s) + "] seconds...\n"
}
func logOnSuccess(name string, c chan string) {
for msg := range c {
log.Print(name, " reported: ", msg)
}
}
func switchStateAfter(state string, name string, seconds int, c chan string) string {
dur, _ := time.ParseDuration(strconv.Itoa(seconds) + "s")
var cWhen = time.Tick(dur)
select {
case <-cWhen:
log.Print("")
switchState(state, name, c)
case <-time.After(360 * time.Minute):
log.Print("Timeout on [", name, "]! Waited longer than 360 minutes to enable some action...")
c <- "timeout"
}
return "actions scheduled"
}
func switchState(state string, name string, c chan string) string {
switch name {
default:
return "invalid device id"
case "A", "B", "C":
cmd := exec.Command("tdtool", state, name)
cmd.Stdin = strings.NewReader("")
var out bytes.Buffer
err := cmd.Run()
if err != nil {
log.Fatal(err)
}
var outString = out.String()
c <- outString
return outString
}
return "OK"
}