/
server.go
134 lines (116 loc) · 3.01 KB
/
server.go
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package httpflv
import (
"encoding/json"
"net"
"net/http"
"strings"
"github.com/gwuhaolin/livego/av"
"github.com/gwuhaolin/livego/protocol/rtmp"
log "github.com/sirupsen/logrus"
)
type Server struct {
handler av.Handler
}
type stream struct {
Key string `json:"key"`
Id string `json:"id"`
}
type streams struct {
Publishers []stream `json:"publishers"`
Players []stream `json:"players"`
}
func NewServer(h av.Handler) *Server {
return &Server{
handler: h,
}
}
func (server *Server) Serve(l net.Listener) error {
mux := http.NewServeMux()
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
server.handleConn(w, r)
})
mux.HandleFunc("/streams", func(w http.ResponseWriter, r *http.Request) {
server.getStream(w, r)
})
http.Serve(l, mux)
return nil
}
// 获取发布和播放器的信息
func (server *Server) getStreams(w http.ResponseWriter, r *http.Request) *streams {
rtmpStream := server.handler.(*rtmp.RtmpStream)
if rtmpStream == nil {
return nil
}
msgs := new(streams)
for item := range rtmpStream.GetStreams().IterBuffered() {
if s, ok := item.Val.(*rtmp.Stream); ok {
if s.GetReader() != nil {
msg := stream{item.Key, s.GetReader().Info().UID}
msgs.Publishers = append(msgs.Publishers, msg)
}
}
}
for item := range rtmpStream.GetStreams().IterBuffered() {
ws := item.Val.(*rtmp.Stream).GetWs()
for s := range ws.IterBuffered() {
if pw, ok := s.Val.(*rtmp.PackWriterCloser); ok {
if pw.GetWriter() != nil {
msg := stream{item.Key, pw.GetWriter().Info().UID}
msgs.Players = append(msgs.Players, msg)
}
}
}
}
return msgs
}
func (server *Server) getStream(w http.ResponseWriter, r *http.Request) {
msgs := server.getStreams(w, r)
if msgs == nil {
return
}
resp, _ := json.Marshal(msgs)
w.Header().Set("Content-Type", "application/json")
w.Write(resp)
}
func (server *Server) handleConn(w http.ResponseWriter, r *http.Request) {
defer func() {
if r := recover(); r != nil {
log.Error("http flv handleConn panic: ", r)
}
}()
url := r.URL.String()
u := r.URL.Path
if pos := strings.LastIndex(u, "."); pos < 0 || u[pos:] != ".flv" {
http.Error(w, "invalid path", http.StatusBadRequest)
return
}
path := strings.TrimSuffix(strings.TrimLeft(u, "/"), ".flv")
paths := strings.SplitN(path, "/", 2)
log.Debug("url:", u, "path:", path, "paths:", paths)
if len(paths) != 2 {
http.Error(w, "invalid path", http.StatusBadRequest)
return
}
// 判断视屏流是否发布,如果没有发布,直接返回404
msgs := server.getStreams(w, r)
if msgs == nil || len(msgs.Publishers) == 0 {
http.Error(w, "invalid path", http.StatusNotFound)
return
} else {
include := false
for _, item := range msgs.Publishers {
if item.Key == path {
include = true
break
}
}
if include == false {
http.Error(w, "invalid path", http.StatusNotFound)
return
}
}
w.Header().Set("Access-Control-Allow-Origin", "*")
writer := NewFLVWriter(paths[0], paths[1], url, w)
server.handler.HandleWriter(writer)
writer.Wait()
}