Files
ippserver/packages/ipp/response.go
henrik 04a4b4157f 2-add-keyword-support (#6)
More development.

More types.
Fixed attribute groups in requests.
Started on client.
Saving data to file.

More types. Printing from chromeos works a little bit.

More types.

Spelling corrections.

WIP: Fix keyword handling

Move request to a separate file and add test.

Co-authored-by: Henrik Sölver <henrik.solver@gmail.com>
Reviewed-on: #6
Co-Authored-By: henrik <henrik.solver@gmail.com>
Co-Committed-By: henrik <henrik.solver@gmail.com>
2020-12-27 09:16:32 +01:00

116 lines
2.8 KiB
Go

package ipp
import (
"encoding/binary"
"fmt"
)
type ippResponseHeader struct {
versionNumber versionNumber
statusCode statusCode
requestId uint32
}
func (h ippResponseHeader) String() string {
return fmt.Sprintf("Version number: %v Status code: %v Request Id: %v", h.versionNumber, h.statusCode, h.requestId)
}
func (h *ippResponseHeader) marshal() []byte {
a := make([]byte, 8, 8)
binary.BigEndian.PutUint16(a[0:2], uint16(h.versionNumber))
binary.BigEndian.PutUint16(a[2:4], uint16(h.statusCode))
binary.BigEndian.PutUint32(a[4:8], h.requestId)
return a
}
type Response struct {
operationAttributes []Attribute
jobAttributes []Attribute
printerAttributes []Attribute
header ippResponseHeader
}
func NewResponse(code statusCode, requestId uint32) *Response {
r := new(Response)
r.header.versionNumber = 0x0101
r.header.requestId = requestId
r.header.statusCode = code
r.operationAttributes = make([]Attribute, 0)
r.printerAttributes = make([]Attribute, 0)
r.jobAttributes = make([]Attribute, 0)
return r
}
// func (r *Response) length() int {
// l := 8 + 1
// if len(r.jobAttributes) > 0 {
// l += 1 //
// for _, e := range r.jobAttributes {
// l += e.length()
// }
// }
// for _, e := range r.operationAttributes {
// l += e.length()
// }
// for _, e := range r.printerAttributes {
// l += e.length()
// }
// }
func (r Response) String() string {
s := r.header.String() + "\n" + " OperationAttributes" + "\n"
for _, a := range r.operationAttributes {
s = s + fmt.Sprintf(" %v (%v)\n", a, a.valueTag())
}
s = s + " PrinterAttributes" + "\n"
for _, a := range r.printerAttributes {
s = s + fmt.Sprintf(" %v (%v)\n", a, a.valueTag())
}
s = s + " JobAttributes" + "\n"
for _, a := range r.jobAttributes {
s = s + fmt.Sprintf(" %v (%v)\n", a, a.valueTag())
}
return s
}
func (r *Response) Marshal() []byte {
a := make([]byte, 0, 20)
a = append(a, r.header.marshal()...)
if len(r.operationAttributes) > 0 {
a = append(a, byte(operationAttributes))
for _, e := range r.operationAttributes {
a = append(a, e.marshal()...)
}
}
if len(r.jobAttributes) > 0 {
a = append(a, byte(jobAttributes))
for _, e := range r.jobAttributes {
a = append(a, e.marshal()...)
}
}
if len(r.printerAttributes) > 0 {
a = append(a, byte(printerAttributes))
for _, e := range r.printerAttributes {
a = append(a, e.marshal()...)
}
}
a = append(a, byte(endOfAttributes))
return a
}
func (r *Response) AddPrinterAttribute(a Attribute) {
r.printerAttributes = append(r.printerAttributes, a)
}
func (r *Response) AddOperatonAttribute(a Attribute) {
r.operationAttributes = append(r.operationAttributes, a)
}
func (r *Response) AddJobAttribute(a Attribute) {
r.jobAttributes = append(r.jobAttributes, a)
}