104 lines
3.1 KiB
Go
104 lines
3.1 KiB
Go
package main
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import (
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"text/template"
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)
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var packageTmpl = template.Must(template.New("package").Parse(`package {{.Name}}
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import (
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"time"
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"github.com/huin/goupnp"
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"github.com/huin/goupnp/soap"
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)
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// Hack to avoid Go complaining if time isn't used.
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var _ time.Time
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// Device URNs:
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const ({{range .DeviceTypes}}
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{{.Const}} = "{{.URN}}"{{end}}
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)
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// Service URNs:
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const ({{range .ServiceTypes}}
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{{.Const}} = "{{.URN}}"{{end}}
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)
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{{range .Services}}
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{{$srv := .}}
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{{$srvIdent := printf "%s%s" .Name .Version}}
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// {{$srvIdent}} is a client for UPnP SOAP service with URN "{{.URN}}". See
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// goupnp.ServiceClient, which contains RootDevice and Service attributes which
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// are provided for informational value.
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type {{$srvIdent}} struct {
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goupnp.ServiceClient
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}
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// New{{$srvIdent}}Clients discovers instances of the service on the network,
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// and returns clients to any that are found. errors will contain an error for
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// any devices that replied but which could not be queried, and err will be set
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// if the discovery process failed outright.
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//
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// This is a typical entry calling point into this package.
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func New{{$srvIdent}}Clients() (clients []*{{$srvIdent}}, errors []error, err error) {
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var genericClients []goupnp.ServiceClient
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if genericClients, errors, err = goupnp.NewServiceClients({{$srv.Const}}); err != nil {
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return
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}
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clients = make([]*{{$srvIdent}}, len(genericClients))
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for i := range genericClients {
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clients[i] = &{{$srvIdent}}{genericClients[i]}
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}
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return
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}
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{{range .SCPD.Actions}}{{/* loops over *SCPDWithURN values */}}
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{{$inargs := .InputArguments}}{{$outargs := .OutputArguments}}
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// {{if $inargs}}Arguments:{{range $inargs}}{{$argWrap := $srv.WrapArgument .}}
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//
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// * {{.Name}}: {{$argWrap.Document}}{{end}}{{end}}
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//
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// {{if $outargs}}Return values:{{range $outargs}}{{$argWrap := $srv.WrapArgument .}}
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//
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// * {{.Name}}: {{$argWrap.Document}}{{end}}{{end}}
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func (client *{{$srvIdent}}) {{.Name}}({{range $inargs}}{{/*
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*/}}{{$argWrap := $srv.WrapArgument .}}{{$argWrap.AsParameter}}, {{end}}{{/*
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*/}}) ({{range $outargs}}{{/*
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*/}}{{$argWrap := $srv.WrapArgument .}}{{$argWrap.AsParameter}}, {{end}} err error) {
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// Request structure.
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request := {{if $inargs}}&{{template "argstruct" $inargs}}{{"{}"}}{{else}}{{"interface{}(nil)"}}{{end}}
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// BEGIN Marshal arguments into request.
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{{range $inargs}}{{$argWrap := $srv.WrapArgument .}}
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if request.{{.Name}}, err = {{$argWrap.Marshal}}; err != nil {
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return
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}{{end}}
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// END Marshal arguments into request.
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// Response structure.
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response := {{if $outargs}}&{{template "argstruct" $outargs}}{{"{}"}}{{else}}{{"interface{}(nil)"}}{{end}}
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// Perform the SOAP call.
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if err = client.SOAPClient.PerformAction({{$srv.URNParts.Const}}, "{{.Name}}", request, response); err != nil {
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return
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}
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// BEGIN Unmarshal arguments from response.
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{{range $outargs}}{{$argWrap := $srv.WrapArgument .}}
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if {{.Name}}, err = {{$argWrap.Unmarshal "response"}}; err != nil {
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return
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}{{end}}
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// END Unmarshal arguments from response.
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return
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}
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{{end}}{{/* range .SCPD.Actions */}}
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{{end}}{{/* range .Services */}}
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{{define "argstruct"}}struct {{"{"}}{{range .}}
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{{.Name}} string
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{{end}}{{"}"}}{{end}}
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`))
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