122 lines
2.8 KiB
Go
122 lines
2.8 KiB
Go
package upnp
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import (
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"fmt"
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"net/http"
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"gargoton.petite-maison-orange.fr/eric/pmomusic/upnp/devices/services/actions"
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"gargoton.petite-maison-orange.fr/eric/pmomusic/upnp/devices/services/statevariables"
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"github.com/beevik/etree"
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log "github.com/sirupsen/logrus"
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)
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type ServiceInstance struct {
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name string
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identifier string
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version int
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device *DeviceInstance
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statevariables statevariables.StateVarInstanceSet
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actions actions.ActionInstanceSet
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}
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func (si *ServiceInstance) Name() string {
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return si.name
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}
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func (svc *ServiceInstance) TypeID() string {
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return "ServiceInstance"
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}
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func (si *ServiceInstance) Identifier() string {
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return si.identifier
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}
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func (svc *ServiceInstance) ServiceType() string {
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return fmt.Sprintf("urn:schemas-upnp-org:service:%s:%d", svc.name, svc.version)
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}
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func (svc *ServiceInstance) ServiceId() string {
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return fmt.Sprintf("urn:upnp-org:serviceId:%s", svc.identifier)
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}
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func (svc *ServiceInstance) BaseRoute() string {
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return fmt.Sprintf("%s/service/%s", svc.device.BaseRoute(), svc.Name())
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}
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func (svc *ServiceInstance) ControlURL() string {
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return fmt.Sprintf("%s/control", svc.BaseRoute())
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}
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func (svc *ServiceInstance) EventSubURL() string {
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return fmt.Sprintf("%s/event", svc.BaseRoute())
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}
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func (svc *ServiceInstance) SCPDURL() string {
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return fmt.Sprintf("%s/desc.xml", svc.BaseRoute())
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}
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func (svc *ServiceInstance) RegisterURLs() error {
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mux, ok := svc.device.server.httpSrv.Handler.(*http.ServeMux)
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if mux == nil || !ok {
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return fmt.Errorf("❌ Device %s the server handler is not correctly defined", svc.Name())
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}
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mux.HandleFunc(
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svc.SCPDURL(),
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svc.device.server.ServeXML(svc.SPCDElement),
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)
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log.Infof(
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"✅ Service description for %s:%s available at : %s%s",
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svc.device.Name(),
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svc.Name(),
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svc.device.server.BaseURL(),
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svc.SCPDURL(),
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)
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return nil
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}
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func (svc *ServiceInstance) SPCDElement() *etree.Element {
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elem := etree.NewElement("scpd")
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elem.CreateAttr("xmlns", "urn:schemas-upnp-org:service-1-0")
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spec := elem.CreateElement("specVersion")
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spec.CreateElement("major").SetText("1")
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spec.CreateElement("minor").SetText("0")
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if len(svc.actions) > 0 {
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elem.AddChild(svc.actions.ToXMLElement())
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}
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if len(svc.statevariables) > 0 {
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elem.AddChild(svc.statevariables.ToXMLElement())
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}
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return elem
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}
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func (svc *ServiceInstance) ToXMLElement() *etree.Element {
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elem := etree.NewElement("service")
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st := elem.CreateElement("serviceType")
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st.SetText(svc.ServiceType())
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sid := elem.CreateElement("serviceId")
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sid.SetText(svc.ServiceId())
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spcd := elem.CreateElement("SCPDURL")
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spcd.SetText(svc.SCPDURL())
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ctrl := elem.CreateElement("controlURL")
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ctrl.SetText(svc.ControlURL())
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event := elem.CreateElement("eventSubURL")
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event.SetText(svc.EventSubURL())
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return elem
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}
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