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server.go
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server.go
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package server
import (
"errors"
"net"
"sync/atomic"
"github.com/zijiren233/livelib/protocol/rtmp"
"github.com/zijiren233/livelib/protocol/rtmp/core"
)
type Server struct {
connBufferSize int32
authFunc AuthFunc
}
type AuthFunc func(ReqAppName, ReqChannelName string, IsPublisher bool) (*Channel, error)
type ServerConf func(*Server)
func WithConnBufferSize(bufferSize int32) ServerConf {
return func(s *Server) {
s.connBufferSize = bufferSize
}
}
func NewRtmpServer(authFunc AuthFunc, c ...ServerConf) *Server {
s := &Server{
authFunc: authFunc,
}
for _, conf := range c {
conf(s)
}
return s
}
func (s *Server) SetConnBufferSize(bufferSize int32) {
atomic.StoreInt32(&s.connBufferSize, bufferSize)
}
var (
ErrAppAlreadyExists = errors.New("app already exists")
)
var ErrAppNotFount = errors.New("app not found")
func (s *Server) Serve(l net.Listener) error {
for {
netconn, err := l.Accept()
if err != nil {
continue
}
conn := core.NewConn(netconn, int(atomic.LoadInt32(&s.connBufferSize)))
go s.handleConn(conn)
}
}
func (s *Server) handleConn(conn *core.Conn) (err error) {
if err := conn.HandshakeServer(); err != nil {
conn.Close()
return err
}
connServer := core.NewConnServer(conn)
defer connServer.Close()
if err = connServer.ReadInitMsg(); err != nil {
return
}
var app, name = connServer.ConnInfo.App, connServer.PublishInfo.Name
if s.authFunc == nil {
panic("rtmp server auth func not implemented")
}
channel, err := s.authFunc(app, name, connServer.IsPublisher())
if err != nil {
return err
}
if connServer.IsPublisher() {
reader := rtmp.NewReader(connServer)
defer reader.Close()
channel.PushStart(reader)
} else {
writer := rtmp.NewWriter(connServer)
defer writer.Close()
channel.AddPlayer(writer)
writer.SendPacket()
}
return
}