/
eddie.go
116 lines (102 loc) · 2.26 KB
/
eddie.go
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package main
import (
"io/ioutil"
"log"
"os"
"os/signal"
"path"
"runtime"
"sync/atomic"
"time"
"code.google.com/p/go.net/websocket"
"github.com/eikeon/gpio"
"github.com/nogiushi/marvin/nog"
)
var Root = ""
func init() {
_, filename, _, _ := runtime.Caller(0)
Root = path.Dir(filename)
}
func Run(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
name := "eddie.html"
if j, err := os.OpenFile(path.Join(Root, name), os.O_RDONLY, 0666); err == nil {
if b, err := ioutil.ReadAll(j); err == nil {
out <- nog.NewMessage("Eddie", string(b), "template")
} else {
log.Println("ERROR reading:", err)
}
} else {
log.Println("WARNING: could not open ", name, err)
}
ch, err := gpio.GPIOInterrupt(38)
if err != nil {
panic(err)
}
go func() {
var pressCount int64
for {
select {
case value := <-ch:
if value {
atomic.AddInt64(&pressCount, 1)
time.AfterFunc(time.Second, func() {
atomic.AddInt64(&pressCount, -1)
})
switch pressCount {
case 1:
out <- nog.NewMessage("Eddie", "I am sleeping", "Eddie")
case 2:
out <- nog.NewMessage("Eddie", "set light All to nightlight", "Eddie")
default:
out <- nog.NewMessage("Eddie", "set light All to chime", "Eddie")
}
}
}
}
}()
for _ = range in {
}
}
func main() {
log.Println("starting")
for {
ws, err := websocket.Dial("ws://marvin.local:80/message", "", "http://marvin.local/")
if err != nil {
log.Fatal(err)
}
fromWS := make(chan nog.Message)
toWS := make(chan nog.Message)
go func() {
var m nog.Message
if err := websocket.JSON.Receive(ws, &m); err == nil {
fromWS <- m
} else {
log.Println("Message Websocket receive err:", err)
close(fromWS)
return
}
}()
go func() {
for m := range toWS {
if err := websocket.JSON.Send(ws, &m); err != nil {
log.Println("Message Websocket send err:", err)
close(toWS)
return
}
}
}()
Run(fromWS, toWS)
time.Sleep(1 * time.Second)
}
notifyChannel := make(chan os.Signal, 1)
signal.Notify(notifyChannel, os.Interrupt)
sig := <-notifyChannel
switch sig {
case os.Interrupt:
log.Println("handling:", sig)
default:
log.Fatal("Unexpected Signal:", sig)
}
log.Println("stopping")
}