94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
package ipp
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import (
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"encoding/binary"
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"fmt"
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"io"
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)
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type ippResponseHeader struct {
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versionNumber versionNumber
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statusCode statusCode
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requestID uint32
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}
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func (h ippResponseHeader) String() string {
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return fmt.Sprintf("Version number: %v Status code: %v Request Id: %v", h.versionNumber, h.statusCode, h.requestID)
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}
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func (h *ippResponseHeader) marshal() []byte {
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a := make([]byte, 8)
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binary.BigEndian.PutUint16(a[0:2], uint16(h.versionNumber))
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binary.BigEndian.PutUint16(a[2:4], uint16(h.statusCode))
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binary.BigEndian.PutUint32(a[4:8], h.requestID)
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return a
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}
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func (h *ippResponseHeader) unmarshal(byteStream io.Reader) {
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binary.Read(byteStream, binary.BigEndian, &h.versionNumber)
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binary.Read(byteStream, binary.BigEndian, &h.statusCode)
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binary.Read(byteStream, binary.BigEndian, &h.requestID)
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}
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type Response struct {
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a *attributes
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header ippResponseHeader
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}
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func NewResponse(code statusCode, requestID uint32) *Response {
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r := new(Response)
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r.a = new(attributes)
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r.header.versionNumber = 0x0101
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r.header.requestID = requestID
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r.header.statusCode = code
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return r
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}
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func (r Response) String() string {
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return r.header.String() + "\n" + r.a.String()
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}
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func (r *Response) Marshal() []byte {
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a := make([]byte, 0, 20)
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a = append(a, r.header.marshal()...)
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if len(r.a.operation) > 0 {
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a = append(a, byte(operationAttributes))
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for _, e := range r.a.operation {
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a = append(a, e.marshal()...)
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}
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}
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if len(r.a.job) > 0 {
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a = append(a, byte(jobAttributes))
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for _, e := range r.a.job {
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a = append(a, e.marshal()...)
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}
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}
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if len(r.a.printer) > 0 {
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a = append(a, byte(printerAttributes))
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for _, e := range r.a.printer {
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a = append(a, e.marshal()...)
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}
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}
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a = append(a, byte(endOfAttributes))
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return a
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}
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func (r *Response) UnMarshal(body io.Reader) {
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r.header.unmarshal(body)
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//log.Printf("Header %v", r.header)
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r.a = UnMarshalAttributues(body)
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}
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func (r *Response) AddPrinterAttribute(a Attribute) {
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r.a.addAttribute(printerAttributes, a)
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}
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func (r *Response) AddOperatonAttribute(a Attribute) {
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r.a.addAttribute(operationAttributes, a)
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}
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func (r *Response) AddJobAttribute(a Attribute) {
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r.a.addAttribute(jobAttributes, a)
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}
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