增加打印机相关接口
This commit is contained in:
wangjingwen
parent
a4bf694cf2
commit
ffbf9190b6
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@ -19,7 +19,8 @@ Build-Depends: debhelper-compat (= 12),
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libudev-dev,
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libopencv-dev,
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libarchive-dev,
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libtesseract-dev
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libtesseract-dev,
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libcups2-dev,
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Standards-Version: 4.4.1
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Homepage: http://gitlab2.kylin.com/kysdk/kysdk-system
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@ -172,7 +173,8 @@ Depends: ${shlibs:Depends},
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libkysdk-log(>=1.2.0),
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libkysdk-config(>=1.2.0),
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systemd,
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libkysdk-systemcommon
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libkysdk-systemcommon,
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cups
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Multi-Arch: same
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Description: 硬件信息获取库
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@ -184,7 +186,8 @@ Depends: ${shlibs:Depends},
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libkysdk-hardware,
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libkysdk-log-dev(>=1.2.0),
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libkysdk-config-dev(>=1.2.0),
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libsystemd-dev
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libsystemd-dev,
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libcups2-dev
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Multi-Arch: same
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Description: 硬件信息获取库 - 开发库
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@ -1,3 +1,4 @@
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usr/include/kysdk/kysdk-system/libkync.h
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usr/include/kysdk/kysdk-system/libkycpu.h
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usr/include/kysdk/kysdk-system/libkyprinter.h
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development-files/kysdk-hardware.pc usr/share/pkgconfig/
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@ -4,9 +4,12 @@ add_library(kyhw SHARED ${SOURCESCODE})
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set_target_properties(kyhw PROPERTIES VERSION 1.2.0 SOVERSION 1)
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add_executable(kync-test test/kync-test.c)
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add_executable(kycpu-test test/kycpu-test.c)
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target_link_libraries(kyhw kylog kyconf pthread systemd)
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add_executable(kyprinter-test test/kyprinter-test.c)
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# 额外链接的库在这一行
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target_link_libraries(kyhw kylog kyconf pthread systemd cups)
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target_link_libraries(kync-test kyhw)
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target_link_libraries(kycpu-test kyhw)
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target_link_libraries(kyprinter-test kyhw)
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install(TARGETS kyhw
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DESTINATION lib/kysdk/kysdk-system)
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@ -15,4 +18,7 @@ install(FILES libkync.h
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DESTINATION include/kysdk/kysdk-system)
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install(FILES libkycpu.h
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DESTINATION include/kysdk/kysdk-system)
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install(FILES libkyprinter.h
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DESTINATION include/kysdk/kysdk-system)
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@ -0,0 +1,325 @@
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#include "libkyprinter.h"
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#include <errno.h>
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#include <libkylog.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include <syslog.h>
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#include <cups/cups.h>
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#include <cups/adminutil.h>
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#include <cups/ipp.h>
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#include <cups/ppd.h>
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#define _IPP_PRIVATE_STRUCTURES 1
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cups_option_t *cups_options; // cups设置
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int num_options; // cups设置
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char **kdk_printer_get_list()
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{
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printf("[%s] Start\n", __FUNCTION__);
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cups_dest_t *dests = NULL;
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int num_dests = 0;
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int i = 0;
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char **printers = NULL;
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num_dests = cupsGetDests(&dests);
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if (num_dests == 0 &&
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(cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
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cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED))
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{
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#ifdef PRT_DEBUG
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_cupsLangPrintf(stderr, "Printer: Error - add '/version=1.1' to server name.");
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#endif
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return NULL;
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}
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for (i = 0; i < num_dests; i++)
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{
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printf("[%s] printer name is %s \n", __FUNCTION__, dests[i].name);
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char **tmp = realloc(printers, sizeof(char *) * i);
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printers = tmp;
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printers[i] = malloc(sizeof(char) * (strlen(dests[i].name) + 1));
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strcpy(printers[i], dests[i].name);
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}
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char **tmp = realloc(printers, sizeof(char *) * (i + 1));
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printers = tmp;
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printers[i] = NULL;
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cupsFreeDests(num_dests, dests);
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return printers;
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}
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int kdk_printer_remove_options()
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{
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printf("[%s] Start\n", __FUNCTION__);
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if (num_options != 0 && cups_options != NULL)
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{
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cupsFreeOptions(num_options, cups_options);
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num_options = 0;
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cups_options = NULL;
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}
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printf("[%s] num_options = %d\n", __FUNCTION__, num_options);
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return 0;
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}
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//"two-sided-long-edge","two-sided-short-edge",one-sided
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void kdk_printer_set_options(int number_up,
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const char *media,
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const char *number_up_layout, const char *sides)
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{
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printf("[%s] Start\n", __FUNCTION__);
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kdk_printer_remove_options();
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cups_options = NULL;
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num_options = 0;
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char NumberUp[2] = {0};
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snprintf(NumberUp, 2, "%d", number_up);
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/* cups options */
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num_options = cupsAddOption("number-up", NumberUp, num_options, &cups_options);
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num_options = cupsAddOption("media", media, num_options, &cups_options);
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num_options = cupsAddOption("number-up-layout", number_up_layout, num_options, &cups_options);
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num_options = cupsAddOption("sides", sides, num_options, &cups_options);
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}
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int kdk_printer_print_file(const char *printername, char *filepath)
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{
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printf("[%s] Start\n", __FUNCTION__);
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printf("[%s] printer_name: %s, file_path: %s\n", __FUNCTION__,
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printername,
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filepath);
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int jobid = cupsPrintFile(printername, filepath, "Print report", num_options, cups_options);
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//注意：这里没有设置格式的话会直接用默认格式，一般默认格式是单页打印
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// printf("[%s] num_options = %d,name = %s,value = %s",
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// __FUNCTION__,num_options,cups_options->name,cups_options->value);
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return jobid;
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}
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int kdk_printer_cancel_all_jobs(const char *printername)
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{
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printf("[%s] Start\n", __FUNCTION__);
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int ret = cupsCancelJob(printername, CUPS_JOBID_ALL); // 1=success 0=fail
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if (ret == 0)
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{
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printf(LOG_ERR, "%s ,job_id = CUPS_JOBID_ALL, find err = %s ", __FUNCTION__, cupsLastErrorString());
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return -1;
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}
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return 0;
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}
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static int /* O - 1 on match, 0 on no match */
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match_list(const char *list, /* I - List of names */
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const char *name) /* I - Name to find */
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{
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const char *nameptr; /* Pointer into name */
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/*
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* An empty list always matches...
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*/
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if (!list || !*list)
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return (1);
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if (!name)
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return (0);
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while (*list)
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{
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/*
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* Skip leading whitespace and commas...
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*/
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while (isspace(*list & 255) || *list == ',')
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list++;
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if (!*list)
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break;
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/*
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* Compare names...
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*/
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for (nameptr = name;
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*nameptr && *list && tolower(*nameptr & 255) == tolower(*list & 255);
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nameptr++, list++)
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;
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if (!*nameptr && (!*list || *list == ',' || isspace(*list & 255)))
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return (1);
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while (*list && !isspace(*list & 255) && *list != ',')
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list++;
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}
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return (0);
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}
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static int /* O - 0 on success, 1 on fail */
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_show_printer_state(const char *printers /* I - Destinations */
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// char* buf, /* I - Number of user-defined dests */
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) /* I - User-defined destinations */
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{
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int i; /* Looping var */
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ipp_t *request, /* IPP Request */
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*response; /* IPP Response */
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ipp_attribute_t *attr; /* Current attribute */
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time_t ptime; /* Printer state time */
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const char *printer, /* Printer name */
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*device; /* Printer device URI */
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ipp_pstate_t pstate;
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int state_code = 0;
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static const char *pattrs[] = /* Attributes we need for printers... */
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{
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"printer-name",
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"printer-state"};
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#ifdef PRT_DEBUG
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printf(("show_devices(printers=\"%s\")\n", printers));
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#endif
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if (printers != NULL && !strcmp(printers, "all"))
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printers = NULL;
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/*
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* Build a CUPS_GET_PRINTERS request, which requires the following
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* attributes:
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*
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* attributes-charset
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* attributes-natural-language
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* requested-attributes
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* requesting-user-name
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*/
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request = ippNewRequest(CUPS_GET_PRINTERS);
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ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD,
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"requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]),
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NULL, pattrs);
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ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name",
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NULL, cupsUser());
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/*
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* Do the request and get back a response...
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*/
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response = cupsDoRequest(CUPS_HTTP_DEFAULT, request, "/");
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if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
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cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
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{
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#ifdef PRT_DEBUG
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_cupsLangPrintf(stderr,
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"%s: Error - add '/version=1.1' to server name.",
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"lpstat");
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#endif
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ippDelete(response);
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return (1);
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}
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else if (cupsLastError() > IPP_STATUS_OK_CONFLICTING)
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{
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#ifdef PRT_DEBUG
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_cupsLangPrintf(stderr, "lpstat: %s", cupsLastErrorString());
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#endif
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ippDelete(response);
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return (1);
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}
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if (response)
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{
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/*
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* Loop through the printers returned in the list and display
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* their devices...
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*/
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attr = ippFirstAttribute(response);
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for (; attr != NULL; attr = ippNextAttribute(response))
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{
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/*
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* Skip leading attributes until we hit a job...
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*/
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while (attr != NULL && ippGetGroupTag(attr) != IPP_TAG_PRINTER)
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attr = ippNextAttribute(response);
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if (attr == NULL)
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break;
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/*
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* Pull the needed attributes from this job...
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*/
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printer = NULL;
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pstate = IPP_PRINTER_IDLE;
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while (attr != NULL && ippGetGroupTag(attr) == IPP_TAG_PRINTER)
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{
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const char *attr_name = ippGetName(attr);
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ipp_tag_t value_tag = ippGetValueTag(attr);
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if (!strcmp(attr_name, "printer-name") &&
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value_tag == IPP_TAG_NAME)
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printer = ippGetString(attr, 0, NULL);
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else if (!strcmp(attr_name, "printer-state") &&
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value_tag == IPP_TAG_ENUM)
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{
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pstate = (ipp_pstate_t)ippGetInteger(attr, 0);
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// printf("statecode: %d\n",ippGetInteger(attr,0));
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}
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attr = ippNextAttribute(response);
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}
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/*
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* See if we have everything needed...
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*/
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if (printer == NULL)
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{
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if (attr == NULL)
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break;
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else
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continue;
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}
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if (match_list(printers, printer))
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{
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switch (pstate)
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{
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case IPP_PRINTER_IDLE:
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state_code = CUPS_PRINTER_STATE_IDLE;
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// snprintf(buf,buf_len,PRINTER_STATE_IDLE);
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break;
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case IPP_PRINTER_PROCESSING:
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state_code = CUPS_PRINTER_STATE_PROCESSING;
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// snprintf(buf,buf_len,PRINTER_STATE_PROCESSING);
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break;
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case IPP_PRINTER_STOPPED:
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state_code = CUPS_PRINTER_STATE_STOPPED;
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// snprintf(buf,buf_len,PRINTER_STATE_STOPPED);
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break;
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case IPP_PRINTER_BUSY:
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state_code = CUPS_PRINTER_STATE_PROCESSING;
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// snprintf(buf,buf_len,PRINTER_STATE_PROCESSING);
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break;
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default:
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state_code = CUPS_PRINTER_STATE_STOPPED;
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// snprintf(buf,buf_len,PRINTER_STATE_STOPPED);
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break;
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}
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}
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if (attr == NULL)
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break;
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}
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ippDelete(response);
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}
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return state_code;
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}
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int kdk_printer_get_status(const char *printername)
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{
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printf("[%s] Start\n", __FUNCTION__);
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http_t *http; /* Connection to server */
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int ret;
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if ((http = httpConnectEncrypt(cupsServer(), ippPort(),
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cupsEncryption())) != NULL)
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{
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httpClose(http);
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}
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else
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{
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return -2;
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}
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return _show_printer_state(printername);
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}
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@ -0,0 +1,72 @@
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#ifndef KDK_SYSTEM_HW_NWCARD_H__
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#define KDK_SYSTEM_HW_NWCARD_H__
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#define CUPS_PRINTER_STATE_BUSY 6 //"Busy"
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#define CUPS_PRINTER_STATE_STOPPED 4 //"Stop"
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#define CUPS_PRINTER_STATE_IDLE 2 //"Idle"
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#define CUPS_PRINTER_STATE_PROCESSING 3 //"Processing"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief 获取系统中所有的打印机
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*
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* @return char** 网卡名称列表，由NULL字符串表示结尾；由alloc生成，需要被kdk_printer_freeall回收；若获取出错，返回NULL；
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*/
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extern char** kdk_printer_get_list();
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/**
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* @brief 设置打印参数，每次设置会清除之前设置打印参数,这个设置是全局设置，设置了之后所有打印机都会用这个参数进行打印
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*
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* @param printername 打印机名，kdk_printer_get_list返回的值
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* @param number_up cups属性，一张纸打印几页，如2 4等
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* @param media cups属性，纸张类型，如A4
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* @param number_up_layout cups属性，如lrtb
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* @param sides cups属性，单面如one-sided，双面如two-sided-long-edge(长边翻转),two-sided-short-edge(短边翻转)
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*
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* @return 无
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*/
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extern void kdk_printer_set_options(int number_up,const char *media,const char *number_up_layout,const char *sides);
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/**
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* @brief 打印文件
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*
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* @param printername 打印机名，kdk_printer_get_list返回的值
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* @param filepath 文件绝对路径
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*
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* @return 打印作业的id
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*
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* @notice 虽然支持多种格式的打印，但是打印除pdf之外的格式打印的效果都不够好，建议打印pdf格式的文件
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*/
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extern int kdk_printer_print_file(const char *printername, char *filepath);
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/**
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* @brief 清除某个打印机的所有打印队列
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*
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* @param printername 打印机名，kdk_printer_get_list返回的值
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*
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*
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* @return 成功返回0,失败返回-1
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*/
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extern int kdk_printer_cancel_all_jobs(const char *printername);
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/**
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* @brief 获取当前打印机状态
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*
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* @param printername 打印机名，kdk_printer_get_list返回的值
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*
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*
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* @return 状态码
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*/
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extern int kdk_printer_get_status(const char *printername);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/**
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* @}
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*/
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@ -0,0 +1,29 @@
|
|||
#include "../libkyprinter.h"
|
||||
#include <stdio.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
int index = 0;
|
||||
//获取打印机列表
|
||||
char **printers = kdk_printer_get_list();
|
||||
while (printers[index])
|
||||
{
|
||||
printf("%zd: %s\n", index + 1, printers[index]);
|
||||
if (kdk_printer_get_status(printers[index]) == CUPS_PRINTER_STATE_IDLE)
|
||||
{
|
||||
//取消当前打印机所有打印任务
|
||||
kdk_printer_cancel_all_jobs(printers[index]);
|
||||
//设置打印参数(这个参数所有打印机共用)
|
||||
kdk_printer_set_options(2, "A4", "lrtb", "two-sided-long-edge");
|
||||
//打印
|
||||
int job_id = kdk_printer_print_file(printers[index], "/etc/apt/sources.list");
|
||||
if (job_id == 0)
|
||||
{
|
||||
printf("[%s] create print job fail\n", __FUNCTION__);
|
||||
}
|
||||
printf("[%s] The jobs_id = %d\n", __FUNCTION__, job_id);
|
||||
}
|
||||
index++;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue