Alexey Khit
105 lines
1.9 KiB
Go
105 lines
1.9 KiB
Go
package streamer
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import (
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"strings"
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"time"
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)
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type Mode byte
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const (
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ModeActiveProducer Mode = iota + 1 // typical source (client)
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ModePassiveConsumer
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ModePassiveProducer
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ModeActiveConsumer
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)
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func (m Mode) String() string {
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switch m {
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case ModeActiveProducer:
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return "active producer"
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case ModePassiveConsumer:
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return "passive consumer"
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case ModePassiveProducer:
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return "passive producer"
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case ModeActiveConsumer:
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return "active consumer"
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}
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return "unknown"
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}
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type Info struct {
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Type string `json:"type,omitempty"`
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URL string `json:"url,omitempty"`
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RemoteAddr string `json:"remote_addr,omitempty"`
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UserAgent string `json:"user_agent,omitempty"`
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Medias []*Media `json:"medias,omitempty"`
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Tracks []*Track `json:"tracks,omitempty"`
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Recv uint32 `json:"recv,omitempty"`
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Send uint32 `json:"send,omitempty"`
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}
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func Between(s, sub1, sub2 string) string {
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i := strings.Index(s, sub1)
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if i < 0 {
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return ""
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}
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s = s[i+len(sub1):]
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if len(sub2) == 1 {
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i = strings.IndexByte(s, sub2[0])
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} else {
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i = strings.Index(s, sub2)
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}
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if i >= 0 {
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return s[:i]
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}
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return s
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}
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func Contains(medias []*Media, media *Media, codec *Codec) bool {
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var ok1, ok2 bool
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for _, m := range medias {
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if m == media {
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ok1 = true
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break
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}
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}
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for _, c := range media.Codecs {
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if c == codec {
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ok2 = true
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break
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}
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}
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return ok1 && ok2
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}
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type Probe struct {
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deadline time.Time
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items map[interface{}]struct{}
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}
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func NewProbe(enable bool) *Probe {
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if enable {
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return &Probe{
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deadline: time.Now().Add(time.Second * 3),
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items: map[interface{}]struct{}{},
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}
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} else {
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return nil
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}
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}
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// Active return true if probe enabled and not finish
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func (p *Probe) Active() bool {
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return len(p.items) < 2 && time.Now().Before(p.deadline)
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}
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// Append safe to run if Probe is nil
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func (p *Probe) Append(v interface{}) {
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if p != nil {
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p.items[v] = struct{}{}
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}
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}
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