mirror of
https://github.com/langhuihui/monibuca.git
synced 2025-09-27 03:25:56 +08:00
573 lines
15 KiB
Go
573 lines
15 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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"regexp"
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"strings"
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"time"
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"github.com/mcuadros/go-defaults"
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"google.golang.org/protobuf/types/known/durationpb"
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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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"m7s.live/v5/pkg/task"
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"m7s.live/v5/pkg/util"
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)
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const (
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PullProxyStatusOffline byte = iota
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PullProxyStatusOnline
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PullProxyStatusPulling
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PullProxyStatusDisabled
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)
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type (
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IPullProxy interface {
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task.ITask
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GetBase() *BasePullProxy
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GetStreamPath() string
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GetConfig() *PullProxyConfig
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ChangeStatus(status byte)
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GetPullJob() *PullJob
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Pull()
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GetKey() uint
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}
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PullProxyConfig 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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PullOnStart, Audio, StopOnIdle bool
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config.Pull `gorm:"embedded;embeddedPrefix:pull_"`
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config.Record `gorm:"embedded;embeddedPrefix:record_"`
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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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CheckInterval time.Duration `default:"10s"`
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RTT time.Duration
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}
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PullProxyFactory = func() IPullProxy
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PullProxyManager struct {
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task.WorkCollection[uint, IPullProxy]
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}
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BasePullProxy struct {
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*PullProxyConfig
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Plugin *Plugin
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PullJob *PullJob
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}
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HTTPPullProxy struct {
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TCPPullProxy
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}
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TCPPullProxy struct {
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task.AsyncTickTask
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BasePullProxy
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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 (b *BasePullProxy) GetBase() *BasePullProxy {
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return b
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}
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func NewHTTPPullPorxy() IPullProxy {
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return &HTTPPullProxy{}
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}
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func (d *PullProxyConfig) GetKey() uint {
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return d.ID
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}
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func (d *PullProxyConfig) GetConfig() *PullProxyConfig {
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return d
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}
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func (d *PullProxyConfig) GetStreamPath() string {
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if d.StreamPath == "" {
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return fmt.Sprintf("pull/%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 (d *BasePullProxy) 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 PullProxyStatusOnline:
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if d.PullOnStart && (from == PullProxyStatusOffline) {
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d.Pull()
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}
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}
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}
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func (d *BasePullProxy) Dispose() {
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d.ChangeStatus(PullProxyStatusOffline)
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if d.PullJob != nil {
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d.PullJob.Stop(task.ErrStopByUser)
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}
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}
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func (d *PullProxyConfig) 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 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":
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d.Type = u.Scheme
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case "whep":
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d.Type = "webrtc"
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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 (d *BasePullProxy) GetPullJob() *PullJob {
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return d.PullJob
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}
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func (d *BasePullProxy) Pull() {
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var pubConf = d.Plugin.config.Publish
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pubConf.PubAudio = d.Audio
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pubConf.DelayCloseTimeout = util.Conditional(d.StopOnIdle, time.Second*5, 0)
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d.PullJob, _ = d.Plugin.handler.Pull(d.GetStreamPath(), d.PullProxyConfig.Pull, &pubConf)
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}
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func (d *HTTPPullProxy) Start() (err error) {
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d.URL, err = url.Parse(d.PullProxyConfig.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.TCPPullProxy.Start()
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}
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func (d *TCPPullProxy) GetTickInterval() time.Duration {
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return d.CheckInterval
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}
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func (d *TCPPullProxy) Tick(any) {
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switch d.Status {
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case PullProxyStatusOffline:
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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(PullProxyStatusOffline)
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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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d.ChangeStatus(PullProxyStatusOnline)
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}
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}
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func (p *Publisher) processPullProxyOnStart() {
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s := p.Plugin.Server
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if pullProxy, ok := s.PullProxies.Find(func(pullProxy IPullProxy) bool {
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return pullProxy.GetStreamPath() == p.StreamPath
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}); ok {
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p.PullProxyConfig = pullProxy.GetConfig()
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if p.PullProxyConfig.Status == PullProxyStatusOnline {
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pullProxy.ChangeStatus(PullProxyStatusPulling)
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if mp4Plugin, ok := s.Plugins.Get("MP4"); ok && p.PullProxyConfig.FilePath != "" {
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mp4Plugin.Record(p, p.PullProxyConfig.Record, nil)
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}
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}
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}
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}
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func (p *Publisher) processPullProxyOnDispose() {
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s := p.Plugin.Server
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if p.PullProxyConfig != nil && p.PullProxyConfig.Status == PullProxyStatusPulling {
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if pullproxy, ok := s.PullProxies.Get(p.PullProxyConfig.GetKey()); ok {
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pullproxy.ChangeStatus(PullProxyStatusOnline)
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}
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}
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}
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func (s *Server) createPullProxy(conf *PullProxyConfig) (pullProxy IPullProxy, err error) {
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var plugin *Plugin
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switch conf.Type {
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case "h265", "h264":
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if s.Meta.NewPullProxy != nil {
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plugin = &s.Plugin
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}
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default:
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for p := range s.Plugins.Range {
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if p.Meta.NewPullProxy != nil && strings.EqualFold(conf.Type, p.Meta.Name) {
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plugin = p
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break
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}
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}
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}
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if plugin == nil {
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return
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}
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pullProxy = plugin.Meta.NewPullProxy()
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base := pullProxy.GetBase()
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base.PullProxyConfig = conf
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base.Plugin = plugin
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s.PullProxies.AddTask(pullProxy, plugin.Logger.With("pullProxyId", conf.ID, "pullProxyType", conf.Type, "pullProxyName", conf.Name))
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return
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}
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func (s *Server) GetPullProxyList(ctx context.Context, req *emptypb.Empty) (res *pb.PullProxyListResponse, err error) {
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res = &pb.PullProxyListResponse{}
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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 pullProxyConfigs []PullProxyConfig
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err = s.DB.Find(&pullProxyConfigs).Error
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if err != nil {
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return
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}
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for _, conf := range pullProxyConfigs {
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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.PullProxyInfo{
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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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PullURL: 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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PullOnStart: conf.PullOnStart,
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StopOnIdle: conf.StopOnIdle,
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Audio: conf.Audio,
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RecordPath: conf.Record.FilePath,
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RecordFragment: durationpb.New(conf.Record.Fragment),
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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.PullProxies.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) AddPullProxy(ctx context.Context, req *pb.PullProxyInfo) (res *pb.SuccessResponse, err error) {
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pullProxyConfig := &PullProxyConfig{
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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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PullOnStart: req.PullOnStart,
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Description: req.Description,
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StreamPath: req.StreamPath,
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}
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if pullProxyConfig.Type == "" {
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var u *url.URL
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u, err = url.Parse(req.PullURL)
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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":
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pullProxyConfig.Type = u.Scheme
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case "whep":
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pullProxyConfig.Type = "webrtc"
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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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pullProxyConfig.Type = "hls"
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case ".flv":
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pullProxyConfig.Type = "flv"
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case ".mp4":
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pullProxyConfig.Type = "mp4"
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default:
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pattern := `^\d{20}/\d{20}$`
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re := regexp.MustCompile(pattern)
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if re.MatchString(u.Path) {
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pullProxyConfig.Type = "gb28181"
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}
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}
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}
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}
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defaults.SetDefaults(&pullProxyConfig.Pull)
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defaults.SetDefaults(&pullProxyConfig.Record)
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if pullProxyConfig.PullOnStart {
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pullProxyConfig.Pull.MaxRetry = -1
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}
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pullProxyConfig.URL = req.PullURL
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pullProxyConfig.Audio = req.Audio
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pullProxyConfig.StopOnIdle = req.StopOnIdle
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pullProxyConfig.Record.FilePath = req.RecordPath
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pullProxyConfig.Record.Fragment = req.RecordFragment.AsDuration()
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if req.CheckInterval != nil {
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pullProxyConfig.CheckInterval = req.CheckInterval.AsDuration()
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} else {
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pullProxyConfig.CheckInterval = time.Second * 10
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}
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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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// 检查数据库中是否有相同的 streamPath 且状态不是 disabled 的记录
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var existingCount int64
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streamPath := pullProxyConfig.StreamPath
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if streamPath == "" {
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streamPath = pullProxyConfig.GetStreamPath()
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}
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s.DB.Model(&PullProxyConfig{}).Where("stream_path = ? AND status != ?", streamPath, PullProxyStatusDisabled).Count(&existingCount)
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// 如果存在相同 streamPath 且状态不是 disabled 的记录，将当前记录状态设置为 disabled
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if existingCount > 0 {
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pullProxyConfig.Status = PullProxyStatusDisabled
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}
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s.DB.Create(pullProxyConfig)
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if req.StreamPath == "" {
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pullProxyConfig.StreamPath = pullProxyConfig.GetStreamPath()
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}
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_, err = s.createPullProxy(pullProxyConfig)
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res = &pb.SuccessResponse{}
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return
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}
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func (s *Server) UpdatePullProxy(ctx context.Context, req *pb.UpdatePullProxyRequest) (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 := &PullProxyConfig{}
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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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// 只有当字段有值时才进行赋值
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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.PullURL != nil {
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target.URL = *req.PullURL
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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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// 如果Type字段被更新或者原来为空，则尝试从URL推导类型
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if (req.Type != nil && *req.Type == "") || (req.PullURL != nil && target.Type == "") {
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var urlToParse string
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if req.PullURL != nil {
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urlToParse = *req.PullURL
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} else {
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urlToParse = target.URL
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}
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if urlToParse != "" {
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var u *url.URL
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u, err = url.Parse(urlToParse)
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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":
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target.Type = u.Scheme
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case "whep":
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target.Type = "webrtc"
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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.PullOnStart != nil {
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target.PullOnStart = *req.PullOnStart
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}
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if target.PullOnStart {
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target.Pull.MaxRetry = -1
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} else {
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target.Pull.MaxRetry = 0
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}
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if req.StopOnIdle != nil {
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target.StopOnIdle = *req.StopOnIdle
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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.RecordPath != nil {
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target.Record.FilePath = *req.RecordPath
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}
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if req.RecordFragment != nil {
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target.Record.Fragment = req.RecordFragment.AsDuration()
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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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if req.CheckInterval != nil {
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target.CheckInterval = req.CheckInterval.AsDuration()
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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(PullProxyStatusDisabled) {
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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(&PullProxyConfig{}).Where("stream_path = ? AND id != ? AND status != ?", streamPath, req.ID, PullProxyStatusDisabled).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 = PullProxyStatusDisabled
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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 == PullProxyStatusDisabled
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if device, ok := s.PullProxies.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 != PullProxyStatusDisabled
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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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if target.URL != conf.URL || conf.Audio != target.Audio || conf.StreamPath != target.StreamPath || conf.Record.FilePath != target.Record.FilePath || conf.Record.Fragment != target.Record.Fragment {
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device.Stop(task.ErrStopByUser)
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device.WaitStopped()
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device, err = s.createPullProxy(target)
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device.WaitStarted()
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if originalStatus == PullProxyStatusPulling {
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device.Pull()
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}
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} else {
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conf.Name = target.Name
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conf.PullOnStart = target.PullOnStart
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conf.StopOnIdle = target.StopOnIdle
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conf.Description = target.Description
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if conf.PullOnStart && conf.Status == PullProxyStatusOnline {
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device.Pull()
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} else if originalStatus == PullProxyStatusPulling {
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if pullJob := device.GetPullJob(); pullJob != nil {
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pullJob.PublishConfig.DelayCloseTimeout = util.Conditional(target.StopOnIdle, time.Second*5, 0)
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if pullJob.Publisher != nil {
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pullJob.Publisher.Publish.DelayCloseTimeout = pullJob.PublishConfig.DelayCloseTimeout
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}
|
||
}
|
||
}
|
||
}
|
||
} else if !isNowDisabled {
|
||
// 尝试再次激活
|
||
_, err = s.createPullProxy(target)
|
||
if err != nil {
|
||
s.Error("create pull proxy failed", "error", err)
|
||
}
|
||
}
|
||
res = &pb.SuccessResponse{}
|
||
return
|
||
}
|
||
|
||
func (s *Server) RemovePullProxy(ctx context.Context, req *pb.RequestWithId) (res *pb.SuccessResponse, err error) {
|
||
if s.DB == nil {
|
||
err = pkg.ErrNoDB
|
||
return
|
||
}
|
||
res = &pb.SuccessResponse{}
|
||
if req.Id > 0 {
|
||
tx := s.DB.Delete(&PullProxyConfig{
|
||
ID: uint(req.Id),
|
||
})
|
||
err = tx.Error
|
||
if device, ok := s.PullProxies.Get(uint(req.Id)); ok {
|
||
device.Stop(task.ErrStopByUser)
|
||
}
|
||
return
|
||
} else if req.StreamPath != "" {
|
||
var deviceList []*PullProxyConfig
|
||
s.DB.Find(&deviceList, "stream_path=?", req.StreamPath)
|
||
if len(deviceList) > 0 {
|
||
for _, device := range deviceList {
|
||
tx := s.DB.Delete(&PullProxyConfig{}, device.ID)
|
||
err = tx.Error
|
||
if device, ok := s.PullProxies.Get(uint(device.ID)); ok {
|
||
device.Stop(task.ErrStopByUser)
|
||
}
|
||
}
|
||
}
|
||
return
|
||
} else {
|
||
res.Message = "parameter wrong"
|
||
return
|
||
}
|
||
}
|