527 lines
14 KiB
Go
527 lines
14 KiB
Go
package core
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import (
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"context"
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"encoding/json"
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"net"
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"net/http"
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"net/http/httputil"
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"reflect"
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"sync"
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"github.com/gin-gonic/gin"
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"github.com/aler9/rtsp-simple-server/internal/conf"
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"github.com/aler9/rtsp-simple-server/internal/logger"
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)
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func interfaceIsEmpty(i interface{}) bool {
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return reflect.ValueOf(i).Kind() != reflect.Ptr || reflect.ValueOf(i).IsNil()
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}
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func fillStruct(dest interface{}, source interface{}) {
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rvsource := reflect.ValueOf(source)
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rvdest := reflect.ValueOf(dest)
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nf := rvsource.NumField()
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for i := 0; i < nf; i++ {
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fnew := rvsource.Field(i)
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if !fnew.IsNil() {
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f := rvdest.Elem().FieldByName(rvsource.Type().Field(i).Name)
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if f.Kind() == reflect.Ptr {
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f.Set(fnew)
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} else {
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f.Set(fnew.Elem())
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}
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}
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}
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}
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func cloneStruct(dest interface{}, source interface{}) {
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enc, _ := json.Marshal(source)
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_ = json.Unmarshal(enc, dest)
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}
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func loadConfData(ctx *gin.Context) (interface{}, error) {
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var in struct {
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// general
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LogLevel *conf.LogLevel `json:"logLevel"`
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LogDestinations *conf.LogDestinations `json:"logDestinations"`
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LogFile *string `json:"logFile"`
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ReadTimeout *conf.StringDuration `json:"readTimeout"`
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WriteTimeout *conf.StringDuration `json:"writeTimeout"`
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ReadBufferCount *int `json:"readBufferCount"`
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ExternalAuthenticationURL *string `json:"externalAuthenticationURL"`
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API *bool `json:"api"`
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APIAddress *string `json:"apiAddress"`
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Metrics *bool `json:"metrics"`
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MetricsAddress *string `json:"metricsAddress"`
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PPROF *bool `json:"pprof"`
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PPROFAddress *string `json:"pprofAddress"`
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RunOnConnect *string `json:"runOnConnect"`
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RunOnConnectRestart *bool `json:"runOnConnectRestart"`
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// RTSP
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RTSPDisable *bool `json:"rtspDisable"`
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Protocols *conf.Protocols `json:"protocols"`
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Encryption *conf.Encryption `json:"encryption"`
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RTSPAddress *string `json:"rtspAddress"`
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RTSPSAddress *string `json:"rtspsAddress"`
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RTPAddress *string `json:"rtpAddress"`
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RTCPAddress *string `json:"rtcpAddress"`
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MulticastIPRange *string `json:"multicastIPRange"`
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MulticastRTPPort *int `json:"multicastRTPPort"`
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MulticastRTCPPort *int `json:"multicastRTCPPort"`
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ServerKey *string `json:"serverKey"`
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ServerCert *string `json:"serverCert"`
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AuthMethods *conf.AuthMethods `json:"authMethods"`
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// RTMP
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RTMPDisable *bool `json:"rtmpDisable"`
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RTMPAddress *string `json:"rtmpAddress"`
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// HLS
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HLSDisable *bool `json:"hlsDisable"`
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HLSAddress *string `json:"hlsAddress"`
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HLSAlwaysRemux *bool `json:"hlsAlwaysRemux"`
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HLSVariant *conf.HLSVariant `json:"hlsVariant"`
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HLSSegmentCount *int `json:"hlsSegmentCount"`
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HLSSegmentDuration *conf.StringDuration `json:"hlsSegmentDuration"`
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HLSPartDuration *conf.StringDuration `json:"hlsPartDuration"`
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HLSSegmentMaxSize *conf.StringSize `json:"hlsSegmentMaxSize"`
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HLSAllowOrigin *string `json:"hlsAllowOrigin"`
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HLSEncryption *bool `json:"hlsEncryption"`
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HLSServerKey *string `json:"hlsServerKey"`
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HLSServerCert *string `json:"hlsServerCert"`
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HLSTrustedProxies *conf.IPsOrCIDRs `json:"hlsTrustedProxies"`
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}
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err := json.NewDecoder(ctx.Request.Body).Decode(&in)
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if err != nil {
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return nil, err
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}
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return in, err
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}
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func loadConfPathData(ctx *gin.Context) (interface{}, error) {
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var in struct {
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// source
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Source *string `json:"source"`
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SourceProtocol *conf.SourceProtocol `json:"sourceProtocol"`
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SourceAnyPortEnable *bool `json:"sourceAnyPortEnable"`
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SourceFingerprint *string `json:"sourceFingerprint"`
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SourceOnDemand *bool `json:"sourceOnDemand"`
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SourceOnDemandStartTimeout *conf.StringDuration `json:"sourceOnDemandStartTimeout"`
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SourceOnDemandCloseAfter *conf.StringDuration `json:"sourceOnDemandCloseAfter"`
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SourceRedirect *string `json:"sourceRedirect"`
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DisablePublisherOverride *bool `json:"disablePublisherOverride"`
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Fallback *string `json:"fallback"`
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// authentication
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PublishUser *conf.Credential `json:"publishUser"`
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PublishPass *conf.Credential `json:"publishPass"`
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PublishIPs *conf.IPsOrCIDRs `json:"publishIPs"`
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ReadUser *conf.Credential `json:"readUser"`
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ReadPass *conf.Credential `json:"readPass"`
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ReadIPs *conf.IPsOrCIDRs `json:"readIPs"`
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// external commands
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RunOnInit *string `json:"runOnInit"`
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RunOnInitRestart *bool `json:"runOnInitRestart"`
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RunOnDemand *string `json:"runOnDemand"`
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RunOnDemandRestart *bool `json:"runOnDemandRestart"`
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RunOnDemandStartTimeout *conf.StringDuration `json:"runOnDemandStartTimeout"`
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RunOnDemandCloseAfter *conf.StringDuration `json:"runOnDemandCloseAfter"`
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RunOnReady *string `json:"runOnReady"`
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RunOnReadyRestart *bool `json:"runOnReadyRestart"`
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RunOnRead *string `json:"runOnRead"`
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RunOnReadRestart *bool `json:"runOnReadRestart"`
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}
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err := json.NewDecoder(ctx.Request.Body).Decode(&in)
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if err != nil {
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return nil, err
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}
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return in, err
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}
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type apiPathManager interface {
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apiPathsList(req pathAPIPathsListReq) pathAPIPathsListRes
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}
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type apiRTSPServer interface {
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apiSessionsList(req rtspServerAPISessionsListReq) rtspServerAPISessionsListRes
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apiSessionsKick(req rtspServerAPISessionsKickReq) rtspServerAPISessionsKickRes
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}
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type apiRTMPServer interface {
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apiConnsList(req rtmpServerAPIConnsListReq) rtmpServerAPIConnsListRes
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apiConnsKick(req rtmpServerAPIConnsKickReq) rtmpServerAPIConnsKickRes
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}
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type apiHLSServer interface {
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apiHLSMuxersList(req hlsServerAPIMuxersListReq) hlsServerAPIMuxersListRes
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}
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type apiParent interface {
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Log(logger.Level, string, ...interface{})
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apiConfigSet(conf *conf.Conf)
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}
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type api struct {
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conf *conf.Conf
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pathManager apiPathManager
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rtspServer apiRTSPServer
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rtspsServer apiRTSPServer
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rtmpServer apiRTMPServer
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hlsServer apiHLSServer
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parent apiParent
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mutex sync.Mutex
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s *http.Server
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}
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func newAPI(
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address string,
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conf *conf.Conf,
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pathManager apiPathManager,
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rtspServer apiRTSPServer,
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rtspsServer apiRTSPServer,
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rtmpServer apiRTMPServer,
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hlsServer apiHLSServer,
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parent apiParent,
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) (*api, error) {
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ln, err := net.Listen("tcp", address)
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if err != nil {
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return nil, err
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}
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a := &api{
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conf: conf,
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pathManager: pathManager,
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rtspServer: rtspServer,
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rtspsServer: rtspsServer,
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rtmpServer: rtmpServer,
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hlsServer: hlsServer,
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parent: parent,
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}
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router := gin.New()
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router.SetTrustedProxies(nil)
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router.NoRoute(a.mwLog)
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group := router.Group("/", a.mwLog)
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group.GET("/v1/config/get", a.onConfigGet)
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group.POST("/v1/config/set", a.onConfigSet)
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group.POST("/v1/config/paths/add/*name", a.onConfigPathsAdd)
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group.POST("/v1/config/paths/edit/*name", a.onConfigPathsEdit)
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group.POST("/v1/config/paths/remove/*name", a.onConfigPathsDelete)
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group.GET("/v1/paths/list", a.onPathsList)
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if !interfaceIsEmpty(a.rtspServer) {
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group.GET("/v1/rtspsessions/list", a.onRTSPSessionsList)
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group.POST("/v1/rtspsessions/kick/:id", a.onRTSPSessionsKick)
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}
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if !interfaceIsEmpty(a.rtspsServer) {
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group.GET("/v1/rtspssessions/list", a.onRTSPSSessionsList)
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group.POST("/v1/rtspssessions/kick/:id", a.onRTSPSSessionsKick)
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}
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if !interfaceIsEmpty(a.rtmpServer) {
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group.GET("/v1/rtmpconns/list", a.onRTMPConnsList)
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group.POST("/v1/rtmpconns/kick/:id", a.onRTMPConnsKick)
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}
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if !interfaceIsEmpty(a.hlsServer) {
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group.GET("/v1/hlsmuxers/list", a.onHLSMuxersList)
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}
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a.s = &http.Server{Handler: router}
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go a.s.Serve(ln)
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a.log(logger.Info, "listener opened on "+address)
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return a, nil
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}
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func (a *api) close() {
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a.log(logger.Info, "listener is closing")
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a.s.Shutdown(context.Background())
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}
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func (a *api) log(level logger.Level, format string, args ...interface{}) {
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a.parent.Log(level, "[API] "+format, args...)
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}
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func (a *api) mwLog(ctx *gin.Context) {
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a.log(logger.Info, "[conn %v] %s %s", ctx.Request.RemoteAddr, ctx.Request.Method, ctx.Request.URL.Path)
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byts, _ := httputil.DumpRequest(ctx.Request, true)
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a.log(logger.Debug, "[conn %v] [c->s] %s", ctx.Request.RemoteAddr, string(byts))
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logw := &httpLogWriter{ResponseWriter: ctx.Writer}
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ctx.Writer = logw
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ctx.Writer.Header().Set("Server", "rtsp-simple-server")
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ctx.Next()
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a.log(logger.Debug, "[conn %v] [s->c] %s", ctx.Request.RemoteAddr, logw.dump())
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}
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func (a *api) onConfigGet(ctx *gin.Context) {
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a.mutex.Lock()
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c := a.conf
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a.mutex.Unlock()
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ctx.JSON(http.StatusOK, c)
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}
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func (a *api) onConfigSet(ctx *gin.Context) {
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in, err := loadConfData(ctx)
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.mutex.Lock()
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defer a.mutex.Unlock()
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var newConf conf.Conf
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cloneStruct(&newConf, a.conf)
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fillStruct(&newConf, in)
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err = newConf.CheckAndFillMissing()
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.conf = &newConf
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// since reloading the configuration can cause the shutdown of the API,
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// call it in a goroutine
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go a.parent.apiConfigSet(&newConf)
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ctx.Status(http.StatusOK)
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}
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func (a *api) onConfigPathsAdd(ctx *gin.Context) {
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name := ctx.Param("name")
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if len(name) < 2 || name[0] != '/' {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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name = name[1:]
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in, err := loadConfPathData(ctx)
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.mutex.Lock()
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defer a.mutex.Unlock()
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var newConf conf.Conf
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cloneStruct(&newConf, a.conf)
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if _, ok := newConf.Paths[name]; ok {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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newConfPath := &conf.PathConf{}
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fillStruct(newConfPath, in)
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newConf.Paths[name] = newConfPath
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err = newConf.CheckAndFillMissing()
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.conf = &newConf
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// since reloading the configuration can cause the shutdown of the API,
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// call it in a goroutine
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go a.parent.apiConfigSet(&newConf)
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ctx.Status(http.StatusOK)
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}
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func (a *api) onConfigPathsEdit(ctx *gin.Context) {
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name := ctx.Param("name")
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if len(name) < 2 || name[0] != '/' {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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name = name[1:]
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in, err := loadConfPathData(ctx)
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.mutex.Lock()
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defer a.mutex.Unlock()
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var newConf conf.Conf
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cloneStruct(&newConf, a.conf)
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newConfPath, ok := newConf.Paths[name]
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if !ok {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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fillStruct(newConfPath, in)
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err = newConf.CheckAndFillMissing()
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.conf = &newConf
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// since reloading the configuration can cause the shutdown of the API,
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// call it in a goroutine
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go a.parent.apiConfigSet(&newConf)
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ctx.Status(http.StatusOK)
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}
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func (a *api) onConfigPathsDelete(ctx *gin.Context) {
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name := ctx.Param("name")
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if len(name) < 2 || name[0] != '/' {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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name = name[1:]
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a.mutex.Lock()
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defer a.mutex.Unlock()
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var newConf conf.Conf
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cloneStruct(&newConf, a.conf)
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if _, ok := newConf.Paths[name]; !ok {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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delete(newConf.Paths, name)
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err := newConf.CheckAndFillMissing()
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if err != nil {
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ctx.AbortWithStatus(http.StatusBadRequest)
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return
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}
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a.conf = &newConf
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// since reloading the configuration can cause the shutdown of the API,
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// call it in a goroutine
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go a.parent.apiConfigSet(&newConf)
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ctx.Status(http.StatusOK)
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}
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func (a *api) onPathsList(ctx *gin.Context) {
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res := a.pathManager.apiPathsList(pathAPIPathsListReq{})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusInternalServerError)
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return
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}
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ctx.JSON(http.StatusOK, res.data)
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}
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func (a *api) onRTSPSessionsList(ctx *gin.Context) {
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res := a.rtspServer.apiSessionsList(rtspServerAPISessionsListReq{})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusInternalServerError)
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return
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}
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ctx.JSON(http.StatusOK, res.data)
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}
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func (a *api) onRTSPSessionsKick(ctx *gin.Context) {
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id := ctx.Param("id")
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res := a.rtspServer.apiSessionsKick(rtspServerAPISessionsKickReq{id: id})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusNotFound)
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return
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}
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ctx.Status(http.StatusOK)
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}
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func (a *api) onRTSPSSessionsList(ctx *gin.Context) {
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res := a.rtspsServer.apiSessionsList(rtspServerAPISessionsListReq{})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusInternalServerError)
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return
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}
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ctx.JSON(http.StatusOK, res.data)
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}
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func (a *api) onRTSPSSessionsKick(ctx *gin.Context) {
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id := ctx.Param("id")
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res := a.rtspsServer.apiSessionsKick(rtspServerAPISessionsKickReq{id: id})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusNotFound)
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return
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}
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ctx.Status(http.StatusOK)
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}
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func (a *api) onRTMPConnsList(ctx *gin.Context) {
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res := a.rtmpServer.apiConnsList(rtmpServerAPIConnsListReq{})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusInternalServerError)
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return
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}
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ctx.JSON(http.StatusOK, res.data)
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}
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func (a *api) onRTMPConnsKick(ctx *gin.Context) {
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id := ctx.Param("id")
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res := a.rtmpServer.apiConnsKick(rtmpServerAPIConnsKickReq{id: id})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusNotFound)
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return
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}
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ctx.Status(http.StatusOK)
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}
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func (a *api) onHLSMuxersList(ctx *gin.Context) {
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res := a.hlsServer.apiHLSMuxersList(hlsServerAPIMuxersListReq{})
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if res.err != nil {
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ctx.AbortWithStatus(http.StatusInternalServerError)
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return
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}
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ctx.JSON(http.StatusOK, res.data)
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}
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// confReload is called by core.
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func (a *api) confReload(conf *conf.Conf) {
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a.mutex.Lock()
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defer a.mutex.Unlock()
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a.conf = conf
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}
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