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139 lines
4.2 KiB
Go
139 lines
4.2 KiB
Go
// Copyright 2019, Chef. All rights reserved.
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// https://github.com/q191201771/lal
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//
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// Use of this source code is governed by a MIT-style license
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// that can be found in the License file.
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//
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// Author: Chef (191201771@qq.com)
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package httpflv
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import (
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"net"
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"github.com/q191201771/lal/pkg/base"
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"github.com/q191201771/naza/pkg/connection"
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)
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var flvHttpResponseHeader []byte
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type SubSession struct {
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core *base.HttpSubSession
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IsFresh bool
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ShouldWaitVideoKeyFrame bool
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}
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func NewSubSession(conn net.Conn, urlCtx base.UrlContext, isWebSocket bool, websocketKey string) *SubSession {
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uk := base.GenUkFlvSubSession()
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s := &SubSession{
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core: base.NewHttpSubSession(base.HttpSubSessionOption{
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Conn: conn,
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ConnModOption: func(option *connection.Option) {
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option.WriteChanSize = SubSessionWriteChanSize
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option.WriteTimeoutMs = SubSessionWriteTimeoutMs
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},
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SessionType: base.SessionTypeFlvSub,
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UrlCtx: urlCtx,
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IsWebSocket: isWebSocket,
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WebSocketKey: websocketKey,
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}),
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IsFresh: true,
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ShouldWaitVideoKeyFrame: true,
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}
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Log.Infof("[%s] lifecycle new httpflv SubSession. session=%p, remote addr=%s", uk, s, conn.RemoteAddr().String())
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return s
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}
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// ---------------------------------------------------------------------------------------------------------------------
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// IServerSessionLifecycle interface
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// ---------------------------------------------------------------------------------------------------------------------
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func (session *SubSession) RunLoop() error {
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return session.core.RunLoop()
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}
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func (session *SubSession) Dispose() error {
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Log.Infof("[%s] lifecycle dispose httpflv SubSession.", session.core.UniqueKey())
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return session.core.Dispose()
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}
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// ---------------------------------------------------------------------------------------------------------------------
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func (session *SubSession) WriteHttpResponseHeader() {
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Log.Debugf("[%s] > W http response header.", session.core.UniqueKey())
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session.core.WriteHttpResponseHeader(flvHttpResponseHeader)
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}
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func (session *SubSession) WriteFlvHeader() {
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Log.Debugf("[%s] > W http flv header.", session.core.UniqueKey())
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session.core.Write(FlvHeader)
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}
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func (session *SubSession) WriteTag(tag *Tag) {
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session.core.Write(tag.Raw)
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}
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func (session *SubSession) Write(b []byte) {
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session.core.Write(b)
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}
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// ---------------------------------------------------------------------------------------------------------------------
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// IObject interface
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// ---------------------------------------------------------------------------------------------------------------------
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func (session *SubSession) UniqueKey() string {
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return session.core.UniqueKey()
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}
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// ---------------------------------------------------------------------------------------------------------------------
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// ISessionUrlContext interface
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// ---------------------------------------------------------------------------------------------------------------------
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func (session *SubSession) Url() string {
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return session.core.Url()
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}
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func (session *SubSession) AppName() string {
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return session.core.AppName()
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}
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func (session *SubSession) StreamName() string {
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return session.core.StreamName()
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}
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func (session *SubSession) RawQuery() string {
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return session.core.RawQuery()
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}
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// ----- ISessionStat --------------------------------------------------------------------------------------------------
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func (session *SubSession) UpdateStat(intervalSec uint32) {
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session.core.UpdateStat(intervalSec)
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}
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func (session *SubSession) GetStat() base.StatSession {
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return session.core.GetStat()
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}
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func (session *SubSession) IsAlive() (readAlive, writeAlive bool) {
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return session.core.IsAlive()
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}
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// ---------------------------------------------------------------------------------------------------------------------
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func init() {
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flvHttpResponseHeaderStr := "HTTP/1.1 200 OK\r\n" +
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"Server: " + base.LalHttpflvSubSessionServer + "\r\n" +
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"Cache-Control: no-cache\r\n" +
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"Content-Type: video/x-flv\r\n" +
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"Connection: close\r\n" +
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"Expires: -1\r\n" +
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"Pragma: no-cache\r\n" +
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"Access-Control-Allow-Credentials: true\r\n" +
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"Access-Control-Allow-Origin: *\r\n" +
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"\r\n"
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flvHttpResponseHeader = []byte(flvHttpResponseHeaderStr)
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}
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