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main.go
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main.go
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package main
import (
"bytes"
"flag"
"fmt"
"io"
"log"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"time"
"github.com/mjibson/mog/_third_party/gopkg.in/fsnotify.v1"
"github.com/mjibson/mog/server"
// codecs
_ "github.com/mjibson/mog/codec/mpa"
_ "github.com/mjibson/mog/codec/nsf"
_ "github.com/mjibson/mog/codec/wav"
// protocols
"github.com/mjibson/mog/protocol/drive"
"github.com/mjibson/mog/protocol/dropbox"
_ "github.com/mjibson/mog/protocol/file"
_ "github.com/mjibson/mog/protocol/gmusic"
"github.com/mjibson/mog/protocol/soundcloud"
_ "github.com/mjibson/mog/protocol/stream"
)
var (
flagWatch = flag.Bool("w", false, "watch current directory and exit on changes; for use with an autorestarter")
flagDrive = flag.String("drive", "256229448371-93bchgphf79q2vbik5aod4osvksce35p.apps.googleusercontent.com:zO5-2BqMb5Zl4EFKd3fVnavw", "Google Drive API credentials of the form ClientID:ClientSecret")
flagDropbox = flag.String("dropbox", "rnhpqsbed2q2ezn:ldref688unj74ld", "Dropbox API credentials of the form ClientID:ClientSecret")
flagSoundcloud = flag.String("soundcloud", "ec28c2226a0838d01edc6ed0014e462e:a115e94029d698f541960c8dc8560978", "SoundCloud API credentials of the form ClientID:ClientSecret")
flagDev = flag.Bool("dev", false, "enable dev mode")
stateFile = flag.String("state", "", "specify non-default statefile location")
)
func main() {
flag.Parse()
runtime.GOMAXPROCS(runtime.NumCPU())
if *flagWatch {
watch(".", "*.go", quit)
base := filepath.Join("server", "static")
src := filepath.Join(base, "src")
watch(src, "*.js", jsx)
go jsx()
}
redir := DefaultAddr
if strings.HasPrefix(redir, ":") {
redir = "localhost" + redir
}
redir = "http://" + redir + "/api/oauth/"
if *flagDrive != "" {
sp := strings.Split(*flagDrive, ":")
if len(sp) != 2 {
log.Fatal("bad drive string %s", *flagDrive)
}
drive.Init(sp[0], sp[1], redir)
}
if *flagDropbox != "" {
sp := strings.Split(*flagDropbox, ":")
if len(sp) != 2 {
log.Fatal("bad drive string %s", *flagDropbox)
}
dropbox.Init(sp[0], sp[1], redir)
}
if *flagSoundcloud != "" {
sp := strings.Split(*flagSoundcloud, ":")
if len(sp) != 2 {
log.Fatal("bad drive string %s", *flagSoundcloud)
}
soundcloud.Init(sp[0], sp[1], redir)
}
if *stateFile == "" {
switch {
case *flagDev:
*stateFile = "mog.state"
case runtime.GOOS == "windows":
dir := filepath.Join(os.Getenv("APPDATA"), "mog")
if err := os.MkdirAll(dir, 0600); err != nil {
log.Fatal(err)
}
*stateFile = filepath.Join(dir, "mog.state")
default:
*stateFile = filepath.Join(os.Getenv("HOME"), ".mog.state")
}
}
log.Fatal(server.ListenAndServe(*stateFile, DefaultAddr, *flagDev))
}
const DefaultAddr = ":6601"
func quit() {
os.Exit(0)
}
func jsx() {
base := filepath.Join("server", "static")
src := filepath.Join(base, "src")
js := filepath.Join(base, "js")
log.Println("running jsx")
res := new(bytes.Buffer)
files := []string{
"mog.js",
"list.js",
"protocol.js",
"playlist.js",
"nav.js",
}
for _, name := range files {
fname := filepath.Join(src, name)
f, err := os.Open(fname)
if err != nil {
panic(err)
}
c := exec.Command("jsx")
c.Stdin = io.MultiReader(f)
c.Stdout = res
buf := new(bytes.Buffer)
c.Stderr = buf
if err := c.Start(); err != nil {
log.Fatal(err)
}
if err := c.Wait(); err != nil {
log.Printf("jsx error: %v", fname)
fmt.Println(strip(buf.String()))
}
f.Close()
}
of, err := os.Create(filepath.Join(js, "mog.js"))
if err != nil {
log.Fatal(err)
}
of.Write(res.Bytes())
of.Close()
log.Println("jsx complete")
}
// strip removes non-ASCII chars from s.
func strip(s string) string {
b := new(bytes.Buffer)
ignore := false
for _, c := range s {
switch c {
case 27:
ignore = true
case 'm':
if ignore {
ignore = false
} else {
b.WriteRune(c)
}
default:
if !ignore {
b.WriteRune(c)
}
}
}
return b.String()
}
func run(name string, arg ...string) func() {
return func() {
log.Println("running", name)
c := exec.Command(name, arg...)
stdout, err := c.StdoutPipe()
if err != nil {
log.Fatal(err)
}
stderr, err := c.StderrPipe()
if err != nil {
log.Fatal(err)
}
if err := c.Start(); err != nil {
log.Fatal(err)
}
go func() { io.Copy(os.Stdout, stdout) }()
go func() { io.Copy(os.Stderr, stderr) }()
if err := c.Wait(); err != nil {
log.Printf("run error: %v: %v", name, err)
}
log.Println("run complete:", name)
}
}
func watch(root, pattern string, f func()) {
watcher, err := fsnotify.NewWatcher()
if err != nil {
log.Fatal(err)
}
filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if matched, err := filepath.Match(pattern, info.Name()); err != nil {
log.Fatal(err)
} else if !matched {
return nil
}
err = watcher.Add(path)
if err != nil {
log.Fatal(err)
}
return nil
})
log.Println("watching", pattern, "in", root)
wait := time.Now()
go func() {
for {
select {
case event := <-watcher.Events:
if wait.After(time.Now()) {
continue
}
if event.Op&fsnotify.Write == fsnotify.Write {
f()
wait = time.Now().Add(time.Second * 2)
}
case err := <-watcher.Errors:
log.Println("error:", err)
}
}
}()
}
//go:generate esc -o server/static.go -pkg server -prefix server server/static/index.html server/static/css server/static/fonts server/static/js