mirror of
https://github.com/jwetzell/showbridge-go.git
synced 2026-04-26 21:05:30 +00:00
start messing with controlling response to SIP calls
This commit is contained in:
Joel Wetzell
@@ -3,9 +3,9 @@ package module
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"log/slog"
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"os"
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"time"
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"github.com/emiago/diago"
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@@ -13,6 +13,7 @@ import (
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"github.com/emiago/sipgo"
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"github.com/emiago/sipgo/sip"
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"github.com/jwetzell/showbridge-go/internal/config"
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"github.com/jwetzell/showbridge-go/internal/processor"
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"github.com/jwetzell/showbridge-go/internal/route"
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)
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@@ -32,6 +33,8 @@ type SIPCallMessage struct {
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To string
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}
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type sipCallContextKey string
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func init() {
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RegisterModule(ModuleRegistration{
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Type: "sip.call.server",
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@@ -143,51 +146,93 @@ func (scs *SIPCallServer) HandleCall(inDialog *diago.DialogServerSession) {
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inDialog.Trying()
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inDialog.Ringing()
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inDialog.Answer()
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scs.router.HandleInput(scs.ctx, scs.Id(), SIPCallMessage{
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dialogContext := context.WithValue(scs.ctx, sipCallContextKey("inDialog"), inDialog)
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scs.router.HandleInput(dialogContext, scs.Id(), SIPCallMessage{
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To: inDialog.ToUser(),
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})
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<-inDialog.Context().Done()
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inDialog.Hangup(dialogContext)
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}
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func (scs *SIPCallServer) Output(ctx context.Context, payload any) error {
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payloadMsg, ok := payload.(string)
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inDialog, ok := ctx.Value(sipCallContextKey("inDialog")).(*diago.DialogServerSession)
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if !ok {
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return errors.New("sip.call.server output payload must be of type string")
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return errors.New("sip.call.server output must originate from sip.call.server input")
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}
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if scs.dg == nil {
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return errors.New("sip.call.server diago is not initialized")
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// _, ok := payload.([]byte)
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// if !ok {
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// return errors.New("sip.call.server is only able to output bytes")
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// }
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payloadResponse, ok := payload.(processor.SipAudioFileResponse)
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if !ok {
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return errors.New("sip.call.server is only able to handle SipCallResponse")
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}
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var uri sip.Uri
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err := sip.ParseUri(payloadMsg, &uri)
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audioFile, err := os.Open(payloadResponse.AudioFile)
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if err != nil {
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return fmt.Errorf("sip.call.server output payload is not a valid SIP URI: %s", err)
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return err
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}
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outDialog, err := scs.dg.NewDialog(uri, diago.NewDialogOptions{
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Transport: scs.Transport,
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})
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defer audioFile.Close()
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playback, err := inDialog.PlaybackCreate()
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if err != nil {
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return fmt.Errorf("sip.call.server failed to create new dialog: %s", err)
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return err
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}
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err = outDialog.Invite(scs.ctx, diago.InviteClientOptions{})
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time.Sleep(time.Millisecond * time.Duration(payloadResponse.PreWait))
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_, err = playback.Play(audioFile, "audio/wav")
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time.Sleep(time.Millisecond * time.Duration(payloadResponse.PostWait))
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if err != nil {
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return fmt.Errorf("sip.call.server failed to send invite: %s", err)
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return err
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}
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err = outDialog.Ack(scs.ctx)
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if err != nil {
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return fmt.Errorf("sip.call.server failed to send ack: %s", err)
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}
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// TODO(jwetzell): make this configurable
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// NOTE(jwetzell): wait 5 seconds before hanging up the call
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time.Sleep(5 * time.Second)
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err = outDialog.Hangup(scs.ctx)
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if err != nil {
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return fmt.Errorf("sip.call.server failed to hangup call: %s", err)
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}
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// payloadMsg, ok := payload.(string)
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// if !ok {
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// return errors.New("sip.call.server output payload must be of type string")
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// }
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// if scs.dg == nil {
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// return errors.New("sip.call.server diago is not initialized")
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// }
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// var uri sip.Uri
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// err := sip.ParseUri(payloadMsg, &uri)
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// if err != nil {
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// return fmt.Errorf("sip.call.server output payload is not a valid SIP URI: %s", err)
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// }
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// outDialog, err := scs.dg.NewDialog(uri, diago.NewDialogOptions{
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// Transport: scs.Transport,
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// })
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// if err != nil {
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// return fmt.Errorf("sip.call.server failed to create new dialog: %s", err)
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// }
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// err = outDialog.Invite(scs.ctx, diago.InviteClientOptions{})
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// if err != nil {
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// return fmt.Errorf("sip.call.server failed to send invite: %s", err)
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// }
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// err = outDialog.Ack(scs.ctx)
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// if err != nil {
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// return fmt.Errorf("sip.call.server failed to send ack: %s", err)
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// }
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// // TODO(jwetzell): make this configurable
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// // NOTE(jwetzell): wait 5 seconds before hanging up the call
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// time.Sleep(5 * time.Second)
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// err = outDialog.Hangup(scs.ctx)
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// if err != nil {
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// return fmt.Errorf("sip.call.server failed to hangup call: %s", err)
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// }
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return nil
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}
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97
internal/processor/sip-response-create.go
Normal file
97
internal/processor/sip-response-create.go
Normal file
@@ -0,0 +1,97 @@
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package processor
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import (
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"bytes"
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"context"
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"errors"
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"text/template"
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"github.com/jwetzell/showbridge-go/internal/config"
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)
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type SipResponseCreate struct {
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config config.ProcessorConfig
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PreWait int
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PostWait int
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AudioFile *template.Template
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}
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type SipAudioFileResponse struct {
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PreWait int
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PostWait int
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AudioFile string
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}
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func (scc *SipResponseCreate) Process(ctx context.Context, payload any) (any, error) {
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var audioFileBuffer bytes.Buffer
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err := scc.AudioFile.Execute(&audioFileBuffer, payload)
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if err != nil {
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return nil, err
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}
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audioFileString := audioFileBuffer.String()
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return SipAudioFileResponse{
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PreWait: scc.PreWait,
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PostWait: scc.PostWait,
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AudioFile: audioFileString,
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}, nil
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}
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func (scc *SipResponseCreate) Type() string {
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return scc.config.Type
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}
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func init() {
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RegisterProcessor(ProcessorRegistration{
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Type: "sip.response.create",
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New: func(config config.ProcessorConfig) (Processor, error) {
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params := config.Params
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preWait, ok := params["preWait"]
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if !ok {
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return nil, errors.New("sip.response.create requires a preWait parameter")
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}
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preWaitNum, ok := preWait.(float64)
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if !ok {
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return nil, errors.New("sip.response.create preWait must be a number")
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}
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postWait, ok := params["postWait"]
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if !ok {
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return nil, errors.New("sip.response.create requires a postWait parameter")
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}
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postWaitNum, ok := postWait.(float64)
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if !ok {
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return nil, errors.New("sip.response.create postWait must be a number")
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}
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audioFile, ok := params["audioFile"]
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if !ok {
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return nil, errors.New("sip.response.create requires a audioFile parameter")
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}
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audioFileString, ok := audioFile.(string)
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if !ok {
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return nil, errors.New("sip.response.create audioFile must be a string")
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}
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audioFileTemplate, err := template.New("audioFile").Parse(audioFileString)
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if err != nil {
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return nil, err
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}
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return &SipResponseCreate{config: config, AudioFile: audioFileTemplate, PreWait: int(preWaitNum), PostWait: int(postWaitNum)}, nil
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},
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})
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}
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