package xmpp // import "fluux.io/xmpp" import ( "encoding/xml" "fmt" "fluux.io/xmpp/iot" ) // info/query type ClientIQ struct { XMLName xml.Name `xml:"jabber:client iq"` Packet Payload IQPayload `xml:",omitempty"` RawXML string `xml:",innerxml"` // TODO We need to support detecting the IQ namespace / Query packet // Error clientError } type IQPayload interface { IsIQPayload() } // UnmarshalXML implements custom parsing for IQs func (iq *ClientIQ) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error { iq.XMLName = start.Name // Extract IQ attributes for _, attr := range start.Attr { if attr.Name.Local == "id" { iq.Id = attr.Value } if attr.Name.Local == "type" { iq.Type = attr.Value } if attr.Name.Local == "to" { iq.To = attr.Value } if attr.Name.Local == "from" { iq.From = attr.Value } if attr.Name.Local == "lang" { iq.Lang = attr.Value } } // decode inner elements for { t, err := d.Token() if err != nil { return err } var p IQPayload switch tt := t.(type) { case xml.StartElement: switch tt.Name.Space + " " + tt.Name.Local { case "urn:ietf:params:xml:ns:xmpp-bind bind": p = new(bindBind) case "urn:xmpp:iot:control set": p = new(iot.ControlSet) // TODO: Add a default Type that passes RawXML } if p != nil { err = d.DecodeElement(p, &tt) if err != nil { return err } iq.Payload = p p = nil } case xml.EndElement: if tt == start.End() { return nil } } } } // XMPPFormat returns the string representation of the XMPP packet. // TODO: Should I simply rely on xml.Marshal ? func (iq *ClientIQ) XMPPFormat() string { if iq.Payload != nil { var payload []byte var err error if payload, err = xml.Marshal(iq.Payload); err != nil { return fmt.Sprintf(""+ "", iq.To, iq.Type, iq.Id) } return fmt.Sprintf(""+ "%s", iq.To, iq.Type, iq.Id, payload) } return fmt.Sprintf(""+ "%s", iq.To, iq.Type, iq.Id, iq.RawXML) }