// GetPrinters gets all CUPS printers found on the CUPS server.
func (c *CUPS) GetPrinters() ([]lib.Printer, error) {
pa := C.newArrayOfStrings(C.int(len(c.printerAttributes)))
defer C.freeStringArrayAndStrings(pa, C.int(len(c.printerAttributes)))
for i, a := range c.printerAttributes {
C.setStringArrayValue(pa, C.int(i), C.CString(a))
}
response, err := c.cc.getPrinters(pa, C.int(len(c.printerAttributes)))
if err != nil {
return nil, err
}
// cupsDoRequest() returns ipp_t pointer which needs explicit free.
defer C.ippDelete(response)
if C.getIPPRequestStatusCode(response) == C.IPP_STATUS_ERROR_NOT_FOUND {
// Normal error when there are no printers.
return make([]lib.Printer, 0), nil
}
printers := c.responseToPrinters(response)
printers = filterRawPrinters(printers)
printers = c.addPPDDescriptionToPrinters(printers)
printers = addStaticDescriptionToPrinters(printers)
return printers, nil
}
// GetPrinters gets all CUPS printers found on the CUPS server.
func (c *CUPS) GetPrinters() ([]lib.Printer, error) {
pa := C.newArrayOfStrings(C.int(len(c.printerAttributes)))
defer C.freeStringArrayAndStrings(pa, C.int(len(c.printerAttributes)))
for i, a := range c.printerAttributes {
C.setStringArrayValue(pa, C.int(i), C.CString(a))
}
response, err := c.cc.getPrinters(pa, C.int(len(c.printerAttributes)))
if err != nil {
return nil, err
}
// cupsDoRequest() returns ipp_t pointer which needs explicit free.
defer C.ippDelete(response)
if C.ippGetStatusCode(response) == C.IPP_STATUS_ERROR_NOT_FOUND {
// Normal error when there are no printers.
return make([]lib.Printer, 0), nil
}
printers := c.responseToPrinters(response)
for i := range printers {
printers[i].GCPVersion = lib.GCPAPIVersion
printers[i].ConnectorVersion = lib.ShortName
printers[i].SetupURL = lib.ConnectorHomeURL
printers[i].SupportURL = lib.ConnectorHomeURL
printers[i].UpdateURL = lib.ConnectorHomeURL
}
printers = c.addDescriptionToPrinters(printers)
return printers, nil
}
// 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.ippGetInteger(s, C.int(0)))
p := C.ippFindAttribute(response, C.JOB_MEDIA_SHEETS_COMPLETED, C.IPP_TAG_INTEGER)
var pages int32
if p != nil {
pages = int32(C.ippGetInteger(p, C.int(0)))
}
return convertJobState(state, pages), nil
}
// GetJobState gets the current state of the job indicated by jobID.
func (c *CUPS) GetJobState(_ string, 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 nil, 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
}