// GetJobState gets the current state of the job indicated by jobID.
func (c *CUPS) GetJobState(jobID uint32) (cdd.PrintJobStateDiff, error) {
ja := C.newArrayOfStrings(C.int(len(jobAttributes)))
defer C.freeStringArrayAndStrings(ja, C.int(len(jobAttributes)))
for i, attribute := range jobAttributes {
C.setStringArrayValue(ja, C.int(i), C.CString(attribute))
}
response, err := c.cc.getJobAttributes(C.int(jobID), ja)
if err != nil {
return cdd.PrintJobStateDiff{}, err
}
// cupsDoRequest() returned ipp_t pointer needs explicit free.
defer C.ippDelete(response)
s := C.ippFindAttribute(response, C.JOB_STATE, C.IPP_TAG_ENUM)
state := int32(C.getAttributeIntegerValue(s, C.int(0)))
return convertJobState(state), nil
}
// attributesToMap converts a slice of C.ipp_attribute_t to a
// string:string "tag" map.
func attributesToMap(attributes []*C.ipp_attribute_t) map[string][]string {
m := make(map[string][]string)
for _, a := range attributes {
key := C.GoString(a.name)
count := int(a.num_values)
values := make([]string, count)
switch a.value_tag {
case C.IPP_TAG_NOVALUE, C.IPP_TAG_NOTSETTABLE:
// No value means no value.
case C.IPP_TAG_INTEGER, C.IPP_TAG_ENUM:
for i := 0; i < count; i++ {
values[i] = strconv.FormatInt(int64(C.getAttributeIntegerValue(a, C.int(i))), 10)
}
case C.IPP_TAG_BOOLEAN:
for i := 0; i < count; i++ {
if int(C.getAttributeIntegerValue(a, C.int(i))) == 0 {
values[i] = "false"
} else {
values[i] = "true"
}
}
case C.IPP_TAG_TEXTLANG, C.IPP_TAG_NAMELANG, C.IPP_TAG_TEXT, C.IPP_TAG_NAME, C.IPP_TAG_KEYWORD, C.IPP_TAG_URI, C.IPP_TAG_URISCHEME, C.IPP_TAG_CHARSET, C.IPP_TAG_LANGUAGE, C.IPP_TAG_MIMETYPE:
for i := 0; i < count; i++ {
values[i] = C.GoString(C.getAttributeStringValue(a, C.int(i)))
}
case C.IPP_TAG_DATE:
for i := 0; i < count; i++ {
date := C.getAttributeDateValue(a, C.int(i))
t := convertIPPDateToTime(date)
values[i] = strconv.FormatInt(t.Unix(), 10)
}
case C.IPP_TAG_RESOLUTION:
for i := 0; i < count; i++ {
xres, yres := C.int(0), C.int(0)
C.getAttributeValueResolution(a, C.int(i), &xres, &yres)
values[i] = fmt.Sprintf("%dx%dppi", int(xres), int(yres))
}
case C.IPP_TAG_RANGE:
for i := 0; i < count; i++ {
upper, lower := C.int(0), C.int(0)
C.getAttributeValueRange(a, C.int(i), &lower, &upper)
values[i] = fmt.Sprintf("%d~%d", int(lower), int(upper))
}
default:
if count > 0 {
values = []string{"unknown or unsupported type"}
}
}
if len(values) == 1 && (values[0] == "none" || len(values[0]) == 0) {
values = []string{}
}
m[key] = values
}
return m
}