KDK_PRINTER_GET_JOB_STATUS(3) Library Functions Manual KDK_PRINTER_GET_JOB_STATUS(3)

kdk_printer_get_job_status - 获取当前打印任务状态(发送打印任务之后下需要等待一会再获取状态,状态不是实时更新)

#include <libkyprinter.h>

extern int kdk_printer_get_job_status(const char *printername, int jobid);

Link with -lkyprinter.

The main function of the interface is to obtain the current print task status (after sending the print task, you need to wait for a while to get the status, the status is not updated in real time).

The argument printername is printer name, kdk_printer_get_list returned value. The argument jobid is the id of the print job.

On success, returns status code of type int.

On error, return 0.

#include "libkyprinter.h"
#include <stdio.h>
int main()
{
    int index = 0;
    //获取打印机列表
    char **printers = kdk_printer_get_available_list();
    while (printers[index])
    {
        printf("%zd: %s0, index + 1, printers[index]);
        //取消当前打印机所有打印任务
        kdk_printer_cancel_all_jobs(printers[index]);
        //获取url对应的文件名
        char *url = "http://www.cztouch.com/upfiles/soft/testpdf.pdf";
        int res = -1;
        char *filename = kdk_printer_get_filename(url); //从完整路径名中解析出文件名称,例如:/home/test/abc.txt,解析完成后为abc.txt
        printf("filename = %s0, filename);
        //设置打印参数
        kdk_printer_set_options(2, "A4", "lrtb", "two-sided-long-edge");
        //下载
        res = kdk_printer_print_download_remote_file(url, filename);
        printf("[%s] res = %d0, __FUNCTION__, res);
        printf("[%s] filepath = %s0, __FUNCTION__, filename);
        //打印
        int job_id = kdk_printer_print_local_file(printers[index], filename);
        if (job_id == 0)
        {   
            //打印失败
            printf("[%s] create print job fail0, __FUNCTION__);
        }
        else
        {
            //打印成功,等待一会获取任务状态
            sleep(10);
            int status = kdk_printer_get_job_status(printers[index], job_id);
        }
        index++;
        free(filename);
    }
    kdk_printer_freeall(printers);
    return 0;
}

These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: kdk_printer_get_list(), kdk_printer_get_available_list(), kdk_printer_set_options(), kdk_printer_print_download_remote_file(), kdk_printer_print_local_file(), kdk_printer_cancel_all_jobs(), kdk_printer_get_status(), kdk_printer_get_filename() and kdk_printer_freeall().

kdk_printer_get_list(3), kdk_printer_get_available_list(3), kdk_printer_set_options(3), kdk_printer_print_download_remote_file(3), kdk_printer_print_local_file(3), kdk_printer_cancel_all_jobs(3), kdk_printer_get_status(3), kdk_printer_get_filename(3) and kdk_printer_freeall(3).

Fri Aug 25 2023 Linux Programmer's Manual