mirror of
https://github.com/langhuihui/monibuca.git
synced 2025-09-27 03:25:56 +08:00
473 lines
11 KiB
Go
473 lines
11 KiB
Go
package m7s
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import (
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"context"
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"fmt"
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"net"
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"net/url"
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"path/filepath"
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"strings"
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"time"
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"github.com/langhuihui/gotask"
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"github.com/mcuadros/go-defaults"
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"google.golang.org/protobuf/types/known/emptypb"
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"google.golang.org/protobuf/types/known/timestamppb"
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"gorm.io/gorm"
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"m7s.live/v5/pb"
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"m7s.live/v5/pkg"
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"m7s.live/v5/pkg/config"
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)
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const (
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PushProxyStatusOffline byte = iota
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PushProxyStatusOnline
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PushProxyStatusPushing
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PushProxyStatusDisabled
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)
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type (
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IPushProxy interface {
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task.ITask
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GetBase() *BasePushProxy
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GetStreamPath() string
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GetConfig() *PushProxyConfig
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ChangeStatus(status byte)
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Push()
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GetKey() uint
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}
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PushProxyConfig struct {
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ID uint `gorm:"primarykey"`
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CreatedAt, UpdatedAt time.Time `yaml:"-"`
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DeletedAt gorm.DeletedAt `yaml:"-"`
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Name string
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StreamPath string
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Audio, PushOnStart bool
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config.Push `gorm:"embedded;embeddedPrefix:push_"`
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ParentID uint
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Type string
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Status byte
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Description string
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RTT time.Duration
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}
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PushProxyFactory = func() IPushProxy
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PushProxyManager struct {
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task.WorkCollection[uint, IPushProxy]
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}
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BasePushProxy struct {
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*PushProxyConfig
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Plugin *Plugin
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}
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HTTPPushProxy struct {
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TCPPushProxy
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}
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TCPPushProxy struct {
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task.AsyncTickTask
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BasePushProxy
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TCPAddr *net.TCPAddr
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URL *url.URL
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}
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)
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func (d *PushProxyConfig) GetKey() uint {
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return d.ID
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}
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func (d *PushProxyConfig) GetConfig() *PushProxyConfig {
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return d
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}
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func (d *PushProxyConfig) GetStreamPath() string {
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if d.StreamPath == "" {
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return fmt.Sprintf("push/%s/%d", d.Type, d.ID)
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}
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return d.StreamPath
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}
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func (s *Server) createPushProxy(conf *PushProxyConfig) (pushProxy IPushProxy, err error) {
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for plugin := range s.Plugins.Range {
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if plugin.Meta.NewPushProxy != nil && strings.EqualFold(conf.Type, plugin.Meta.Name) {
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pushProxy = plugin.Meta.NewPushProxy()
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base := pushProxy.GetBase()
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base.PushProxyConfig = conf
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base.Plugin = plugin
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s.PushProxies.AddTask(pushProxy, plugin.Logger.With("pushProxyId", conf.ID, "pushProxyType", conf.Type, "pushProxyName", conf.Name))
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return
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}
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}
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return
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}
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func (b *BasePushProxy) GetBase() *BasePushProxy {
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return b
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}
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func NewHTTPPushProxy() IPushProxy {
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return &HTTPPushProxy{}
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}
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func (d *BasePushProxy) ChangeStatus(status byte) {
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if d.Status == status {
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return
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}
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from := d.Status
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d.Plugin.Info("device status changed", "from", from, "to", status)
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d.Status = status
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switch status {
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case PushProxyStatusOnline:
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if from == PushProxyStatusOffline {
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if d.PushOnStart {
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d.Push()
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} else {
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d.Plugin.Server.CallOnStreamTask(func() {
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if d.Plugin.Server.Streams.Has(d.GetStreamPath()) {
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d.Push()
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}
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})
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}
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}
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}
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}
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func (d *BasePushProxy) Dispose() {
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d.ChangeStatus(PushProxyStatusOffline)
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pushJob, ok := d.Plugin.Server.Pushs.Find(func(job *PushJob) bool {
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return job.StreamPath == d.GetStreamPath()
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})
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if ok {
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pushJob.Stop(task.ErrStopByUser)
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}
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}
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func (d *BasePushProxy) Push() {
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var subConf = d.Plugin.config.Subscribe
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subConf.SubAudio = d.Audio
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d.Plugin.handler.Push(d.GetStreamPath(), d.PushProxyConfig.Push, &subConf)
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}
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func (d *TCPPushProxy) GetTickInterval() time.Duration {
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return time.Second * 10
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}
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func (d *TCPPushProxy) Tick(any) {
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startTime := time.Now()
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conn, err := net.DialTCP("tcp", nil, d.TCPAddr)
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if err != nil {
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d.ChangeStatus(PushProxyStatusOffline)
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return
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}
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conn.Close()
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d.RTT = time.Since(startTime)
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if d.Status == PushProxyStatusOffline {
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d.ChangeStatus(PushProxyStatusOnline)
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}
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}
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func (d *HTTPPushProxy) Start() (err error) {
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d.URL, err = url.Parse(d.PushProxyConfig.URL)
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if err != nil {
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return
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}
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if ips, err := net.LookupIP(d.URL.Hostname()); err != nil {
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return err
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} else if len(ips) == 0 {
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return fmt.Errorf("no IP found for host: %s", d.URL.Hostname())
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} else {
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d.TCPAddr, err = net.ResolveTCPAddr("tcp", net.JoinHostPort(ips[0].String(), d.URL.Port()))
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if err != nil {
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return err
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}
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if d.TCPAddr.Port == 0 {
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if d.URL.Scheme == "https" || d.URL.Scheme == "wss" {
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d.TCPAddr.Port = 443
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} else {
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d.TCPAddr.Port = 80
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}
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}
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}
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return d.TCPPushProxy.Start()
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}
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func (d *PushProxyConfig) InitializeWithServer(s *Server) {
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if d.Type == "" {
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u, err := url.Parse(d.URL)
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if err != nil {
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s.Error("parse push url failed", "error", err)
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return
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}
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switch u.Scheme {
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case "srt", "rtsp", "rtmp", "webrtc":
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d.Type = u.Scheme
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default:
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ext := filepath.Ext(u.Path)
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switch ext {
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case ".m3u8":
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d.Type = "hls"
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case ".flv":
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d.Type = "flv"
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case ".mp4":
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d.Type = "mp4"
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}
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}
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}
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}
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func (s *Server) GetPushProxyList(ctx context.Context, req *emptypb.Empty) (res *pb.PushProxyListResponse, err error) {
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res = &pb.PushProxyListResponse{}
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if s.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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var pushProxyConfigs []PushProxyConfig
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err = s.DB.Find(&pushProxyConfigs).Error
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if err != nil {
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return
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}
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for _, conf := range pushProxyConfigs {
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// 获取运行时状态信息（如果需要的话）
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info := &pb.PushProxyInfo{
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Name: conf.Name,
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CreateTime: timestamppb.New(conf.CreatedAt),
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UpdateTime: timestamppb.New(conf.UpdatedAt),
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Type: conf.Type,
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PushURL: conf.URL,
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ParentID: uint32(conf.ParentID),
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Status: uint32(conf.Status),
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ID: uint32(conf.ID),
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PushOnStart: conf.PushOnStart,
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Audio: conf.Audio,
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Description: conf.Description,
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StreamPath: conf.GetStreamPath(),
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}
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// 如果内存中有对应的设备，获取实时状态
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if device, ok := s.PushProxies.Get(conf.ID); ok {
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runtimeConf := device.GetConfig()
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info.Rtt = uint32(runtimeConf.RTT.Milliseconds())
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info.Status = uint32(runtimeConf.Status)
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}
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res.Data = append(res.Data, info)
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}
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return
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}
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func (s *Server) AddPushProxy(ctx context.Context, req *pb.PushProxyInfo) (res *pb.SuccessResponse, err error) {
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device := &PushProxyConfig{
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Name: req.Name,
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Type: req.Type,
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ParentID: uint(req.ParentID),
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PushOnStart: req.PushOnStart,
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Description: req.Description,
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StreamPath: req.StreamPath,
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}
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if device.Type == "" {
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var u *url.URL
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u, err = url.Parse(req.PushURL)
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if err != nil {
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s.Error("parse pull url failed", "error", err)
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return
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}
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switch u.Scheme {
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case "srt", "rtsp", "rtmp", "webrtc":
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device.Type = u.Scheme
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default:
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ext := filepath.Ext(u.Path)
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switch ext {
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case ".m3u8":
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device.Type = "hls"
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case ".flv":
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device.Type = "flv"
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case ".mp4":
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device.Type = "mp4"
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}
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}
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}
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defaults.SetDefaults(&device.Push)
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if device.PushOnStart {
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device.Push.MaxRetry = -1
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}
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device.URL = req.PushURL
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device.Audio = req.Audio
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if s.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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s.DB.Create(device)
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_, err = s.createPushProxy(device)
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res = &pb.SuccessResponse{}
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return
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}
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func (s *Server) UpdatePushProxy(ctx context.Context, req *pb.UpdatePushProxyRequest) (res *pb.SuccessResponse, err error) {
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if s.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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target := &PushProxyConfig{}
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err = s.DB.First(target, req.ID).Error
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if err != nil {
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return
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}
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// Update only if the field is provided (optional fields)
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if req.Name != nil {
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target.Name = *req.Name
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}
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if req.PushURL != nil {
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target.URL = *req.PushURL
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}
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if req.ParentID != nil {
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target.ParentID = uint(*req.ParentID)
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}
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if req.Type != nil {
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target.Type = *req.Type
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}
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if target.Type == "" {
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var u *url.URL
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if req.PushURL != nil {
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u, err = url.Parse(*req.PushURL)
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if err != nil {
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s.Error("parse push url failed", "error", err)
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return
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}
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switch u.Scheme {
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case "srt", "rtsp", "rtmp":
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target.Type = u.Scheme
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default:
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ext := filepath.Ext(u.Path)
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switch ext {
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case ".m3u8":
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target.Type = "hls"
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case ".flv":
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target.Type = "flv"
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case ".mp4":
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target.Type = "mp4"
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}
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}
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}
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}
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if req.PushOnStart != nil {
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target.PushOnStart = *req.PushOnStart
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}
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if req.Audio != nil {
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target.Audio = *req.Audio
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}
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if req.Description != nil {
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target.Description = *req.Description
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}
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if req.StreamPath != nil {
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target.StreamPath = *req.StreamPath
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}
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// 如果设置状态为非 disable，需要检查是否有相同 streamPath 的其他非 disable 代理
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if req.Status != nil && *req.Status != uint32(PushProxyStatusDisabled) {
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var existingCount int64
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streamPath := target.StreamPath
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if streamPath == "" {
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streamPath = target.GetStreamPath()
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}
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s.DB.Model(&PushProxyConfig{}).Where("stream_path = ? AND id != ? AND status != ?", streamPath, req.ID, PushProxyStatusDisabled).Count(&existingCount)
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// 如果存在相同 streamPath 且状态不是 disabled 的其他记录，更新失败
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if existingCount > 0 {
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err = fmt.Errorf("已存在相同 streamPath [%s] 的非禁用代理，更新失败", streamPath)
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return
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}
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target.Status = byte(*req.Status)
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} else if req.Status != nil {
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target.Status = PushProxyStatusDisabled
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}
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s.DB.Save(target)
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// 检查是否从 disable 状态变为非 disable 状态
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isNowDisabled := target.Status == PushProxyStatusDisabled
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// 检查是否需要停止和重新创建代理
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if device, ok := s.PushProxies.Get(uint(req.ID)); ok {
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conf := device.GetConfig()
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originalStatus := conf.Status
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wasEnabled := originalStatus != PushProxyStatusDisabled
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// 如果现在变为 disable 状态，需要停止并移除代理
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if wasEnabled && isNowDisabled {
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device.Stop(task.ErrStopByUser)
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return
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}
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// 如果URL或音频设置或流路径发生变化，需要重新创建代理
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if target.URL != conf.URL || conf.Audio != target.Audio || conf.StreamPath != target.StreamPath {
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device.Stop(task.ErrStopByUser)
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device, err = s.createPushProxy(target)
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if err != nil {
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s.Error("create push proxy failed", "error", err)
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return
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}
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// 如果原来状态是推送中，并且PushOnStart为true，则重新开始推送
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if originalStatus == PushProxyStatusPushing && target.PushOnStart {
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device.Push()
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}
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} else {
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// 只更新配置，不重新创建代理
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conf.Name = target.Name
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conf.PushOnStart = target.PushOnStart
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conf.Description = target.Description
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// 如果PushOnStart为true且当前状态为在线，则开始推送
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if conf.PushOnStart && conf.Status == PushProxyStatusOnline {
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device.Push()
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}
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}
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} else {
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// 如果代理不存在，则创建新代理
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_, err = s.createPushProxy(target)
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if err != nil {
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s.Error("create push proxy failed", "error", err)
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}
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}
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res = &pb.SuccessResponse{}
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return
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}
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func (s *Server) RemovePushProxy(ctx context.Context, req *pb.RequestWithId) (res *pb.SuccessResponse, err error) {
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if s.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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res = &pb.SuccessResponse{}
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if req.Id > 0 {
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tx := s.DB.Delete(&PushProxyConfig{
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ID: uint(req.Id),
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})
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err = tx.Error
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if device, ok := s.PushProxies.Get(uint(req.Id)); ok {
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device.Stop(task.ErrStopByUser)
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}
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return
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} else if req.StreamPath != "" {
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var deviceList []*PushProxyConfig
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s.DB.Find(&deviceList, "stream_path=?", req.StreamPath)
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if len(deviceList) > 0 {
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for _, device := range deviceList {
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tx := s.DB.Delete(device)
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err = tx.Error
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s.PushProxies.Call(func() {
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if device, ok := s.PushProxies.Get(uint(device.ID)); ok {
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device.Stop(task.ErrStopByUser)
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}
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})
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}
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}
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return
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} else {
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res.Message = "parameter wrong"
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return
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}
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}
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