/
main.go
78 lines (64 loc) · 1.86 KB
/
main.go
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package main
import (
"fmt"
"net/http"
"strings"
"github.com/Akagi201/light"
"github.com/Sirupsen/logrus"
"github.com/jessevdk/go-flags"
"golang.org/x/net/websocket"
)
var opts struct {
ListenAddr string `long:"listen" default:"0.0.0.0:8327" description:"HTTP listen address and port"`
StaticPath string `long:"static" default:"./static" description:"Path of static files"`
HTTPFLVURL string `long:"httpflv" default:"http://uplive.b0.upaiyun.com/live/loading.flv" description:"HTTP flv stream url"`
Buffer int `long:"buffer" default:"1024" description:"Send media buffer size"`
}
var log *logrus.Logger
func init() {
log = logrus.New()
log.Level = logrus.InfoLevel
f := new(logrus.TextFormatter)
f.TimestampFormat = "2006-01-02 15:04:05"
f.FullTimestamp = true
log.Formatter = f
}
func handleMedia(ws *websocket.Conn) {
r := ws.Request()
log.Println("Proxy client", r.RemoteAddr, "to", opts.HTTPFLVURL)
defer ws.Close()
flv, err := http.Get(opts.HTTPFLVURL)
if err != nil {
fmt.Println("Connect backend", opts.HTTPFLVURL, "failed, err is", err)
return
}
defer flv.Body.Close()
b := make([]byte, opts.Buffer)
for {
var n int
if n, err = flv.Body.Read(b); err != nil {
fmt.Println("Recv from backend failed, err is", err)
return
}
if err = websocket.Message.Send(ws, b[:n]); err != nil {
fmt.Println("Send to ws failed, err is", err)
return
}
}
}
func main() {
_, err := flags.Parse(&opts)
if err != nil {
if !strings.Contains(err.Error(), "Usage") {
log.Fatalf("error: %v", err)
} else {
return
}
}
root := light.New()
root.ServeFiles("/live/*filepath", http.Dir("./static"))
root.Get("/", http.RedirectHandler("/live", http.StatusFound).ServeHTTP)
root.Get("/media", websocket.Handler(handleMedia).ServeHTTP)
log.Printf("HTTP listening at: %v", opts.ListenAddr)
http.ListenAndServe(opts.ListenAddr, root)
}