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122 lines
3.1 KiB
122 lines
3.1 KiB
package stanza
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import (
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"encoding/xml"
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"errors"
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)
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const (
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NSStreamManagement = "urn:xmpp:sm:3"
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)
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// Enabled as defined in Stream Management spec
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// Reference: https://xmpp.org/extensions/xep-0198.html#enable
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type SMEnabled struct {
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XMLName xml.Name `xml:"urn:xmpp:sm:3 enabled"`
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Id string `xml:"id,attr,omitempty"`
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Location string `xml:"location,attr,omitempty"`
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Resume string `xml:"resume,attr,omitempty"`
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Max uint `xml:"max,attr,omitempty"`
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}
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func (SMEnabled) Name() string {
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return "Stream Management: enabled"
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}
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// Request as defined in Stream Management spec
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// Reference: https://xmpp.org/extensions/xep-0198.html#acking
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type SMRequest struct {
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XMLName xml.Name `xml:"urn:xmpp:sm:3 r"`
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}
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func (SMRequest) Name() string {
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return "Stream Management: request"
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}
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// Answer as defined in Stream Management spec
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// Reference: https://xmpp.org/extensions/xep-0198.html#acking
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type SMAnswer struct {
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XMLName xml.Name `xml:"urn:xmpp:sm:3 a"`
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H uint `xml:"h,attr,omitempty"`
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}
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func (SMAnswer) Name() string {
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return "Stream Management: answer"
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}
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// Resumed as defined in Stream Management spec
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// Reference: https://xmpp.org/extensions/xep-0198.html#acking
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type SMResumed struct {
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XMLName xml.Name `xml:"urn:xmpp:sm:3 resumed"`
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PrevId string `xml:"previd,attr,omitempty"`
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H uint `xml:"h,attr,omitempty"`
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}
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func (SMResumed) Name() string {
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return "Stream Management: resumed"
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}
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// Failed as defined in Stream Management spec
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// Reference: https://xmpp.org/extensions/xep-0198.html#acking
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type SMFailed struct {
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XMLName xml.Name `xml:"urn:xmpp:sm:3 failed"`
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// TODO: Handle decoding error cause (need custom parsing).
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}
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func (SMFailed) Name() string {
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return "Stream Management: failed"
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}
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type smDecoder struct{}
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var sm smDecoder
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// decode decodes all known nonza in the stream management namespace.
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func (s smDecoder) decode(p *xml.Decoder, se xml.StartElement) (Packet, error) {
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switch se.Name.Local {
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case "enabled":
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return s.decodeEnabled(p, se)
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case "resumed":
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return s.decodeResumed(p, se)
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case "r":
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return s.decodeRequest(p, se)
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case "h":
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return s.decodeAnswer(p, se)
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case "failed":
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return s.decodeFailed(p, se)
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default:
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return nil, errors.New("unexpected XMPP packet " +
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se.Name.Space + " <" + se.Name.Local + "/>")
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}
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}
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func (smDecoder) decodeEnabled(p *xml.Decoder, se xml.StartElement) (SMEnabled, error) {
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var packet SMEnabled
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err := p.DecodeElement(&packet, &se)
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return packet, err
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}
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func (smDecoder) decodeResumed(p *xml.Decoder, se xml.StartElement) (SMResumed, error) {
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var packet SMResumed
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err := p.DecodeElement(&packet, &se)
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return packet, err
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}
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func (smDecoder) decodeRequest(p *xml.Decoder, se xml.StartElement) (SMRequest, error) {
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var packet SMRequest
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err := p.DecodeElement(&packet, &se)
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return packet, err
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}
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func (smDecoder) decodeAnswer(p *xml.Decoder, se xml.StartElement) (SMAnswer, error) {
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var packet SMAnswer
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err := p.DecodeElement(&packet, &se)
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return packet, err
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}
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func (smDecoder) decodeFailed(p *xml.Decoder, se xml.StartElement) (SMFailed, error) {
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var packet SMFailed
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err := p.DecodeElement(&packet, &se)
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return packet, err
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}
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