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/*
* Device support for sample IPP server implementation.
*
* Copyright © 2014-2022 by the IEEE-ISTO Printer Working Group
* Copyright © 2010-2018 by Apple Inc.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
#include "ippserver.h"
/*
* Local functions...
*/
static int compare_devices(server_device_t *a, server_device_t *b);
/*
* 'serverCreateDevice()' - Create an output device tracking object.
*/
server_device_t * /* O - Device */
serverCreateDevice(
server_client_t *client) /* I - Client */
{
server_device_t *device; /* Device */
ipp_attribute_t *uuid; /* output-device-uuid */
serverLogClient(SERVER_LOGLEVEL_DEBUG, client, "serverCreateDevice: Finding output-device-uuid.");
if ((uuid = ippFindAttribute(client->request, "output-device-uuid", IPP_TAG_URI)) == NULL)
return (NULL);
cupsRWLockWrite(&client->printer->rwlock);
device = serverCreateDevicePinfo(&client->printer->pinfo, ippGetString(uuid, 0, NULL));
cupsRWUnlock(&client->printer->rwlock);
serverLogClient(SERVER_LOGLEVEL_DEBUG, client, "serverCreateDevice: Created device object for \"%s\".", device->uuid);
return (device);
}
/*
* 'serverCreateDevicePinfo()' - Create a device in a printer-info structure.
*/
server_device_t * /* O - Device */
serverCreateDevicePinfo(
server_pinfo_t *pinfo, /* I - Printer-info structure */
const char *uuid) /* I - UUID string */
{
server_device_t *device; /* Device */
if ((device = calloc(1, sizeof(server_device_t))) == NULL)
return (NULL);
cupsRWInit(&device->rwlock);
device->uuid = strdup(uuid);
device->state = IPP_PSTATE_STOPPED;
device->attrs = ippNew();
if (!pinfo->devices)
pinfo->devices = cupsArrayNew((cups_array_cb_t)compare_devices, NULL, NULL, 0, NULL, NULL);
cupsArrayAdd(pinfo->devices, device);
return (device);
}
/*
* 'serverDeleteDevice()' - Remove a device from a printer.
*
* Note: Caller is responsible for locking the printer object.
*/
void
serverDeleteDevice(
server_device_t *device) /* I - Device */
{
/*
* Free memory used for the device...
*/
serverLog(SERVER_LOGLEVEL_DEBUG, "Deleting device object for \"%s\".", device->uuid);
cupsRWDestroy(&device->rwlock);
if (device->name)
free(device->name);
free(device->uuid);
ippDelete(device->attrs);
free(device);
}
/*
* 'serverFindDevice()' - Find a device.
*/
server_device_t * /* I - Device */
serverFindDevice(
server_client_t *client) /* I - Client */
{
ipp_attribute_t *uuid; /* output-device-uuid */
server_device_t key, /* Search key */
*device; /* Matching device */
serverLogClient(SERVER_LOGLEVEL_DEBUG, client, "serverFindDevice: Looking for output-device-uuid.");
if ((uuid = ippFindAttribute(client->request, "output-device-uuid", IPP_TAG_URI)) == NULL)
return (NULL);
key.uuid = (char *)ippGetString(uuid, 0, NULL);
serverLogClient(SERVER_LOGLEVEL_DEBUG, client, "serverFindDevice: Looking for \"%s\".", key.uuid);
cupsRWLockRead(&client->printer->rwlock);
device = (server_device_t *)cupsArrayFind(client->printer->pinfo.devices, &key);
cupsRWUnlock(&client->printer->rwlock);
serverLogClient(SERVER_LOGLEVEL_DEBUG, client, "serverFindDevice: Returning device=%p", (void *)device);
return (device);
}
/*
* 'serverUpdateDeviceAttributesNoLock()' - Update the composite device attributes.
*
* Note: Caller MUST lock the printer object for writing before using.
*/
void
serverUpdateDeviceAttributesNoLock(
server_printer_t *printer) /* I - Printer */
{
server_device_t *device; /* Current device */
ipp_t *dev_attrs; /* Device attributes */
/* TODO: Support multiple output devices, icons, etc... (Issue #89) */
device = (server_device_t *)cupsArrayGetFirst(printer->pinfo.devices);
dev_attrs = ippNew();
if (device)
serverCopyAttributes(dev_attrs, device->attrs, NULL, NULL, IPP_TAG_PRINTER, 0);
ippDelete(printer->dev_attrs);
printer->dev_attrs = dev_attrs;
printer->config_time = time(NULL);
}
/*
* 'serverUpdateDeviceStatusNoLock()' - Update the composite device state.
*
* Note: Caller MUST lock the printer object for writing before using.
*/
void
serverUpdateDeviceStateNoLock(
server_printer_t *printer) /* I - Printer */
{
server_device_t *device; /* Current device */
ipp_attribute_t *attr; /* Current attribute */
/* TODO: Support multiple output devices, icons, etc... (Issue #89) */
device = (server_device_t *)cupsArrayGetFirst(printer->pinfo.devices);
if (device && (attr = ippFindAttribute(device->attrs, "printer-state", IPP_TAG_ENUM)) != NULL)
printer->dev_state = (ipp_pstate_t)ippGetInteger(attr, 0);
else
printer->dev_state = IPP_PSTATE_STOPPED;
if (device && (attr = ippFindAttribute(device->attrs, "printer-state-reasons", IPP_TAG_KEYWORD)) != NULL)
printer->dev_reasons = serverGetPrinterStateReasonsBits(attr);
else
printer->dev_reasons = SERVER_PREASON_PAUSED;
printer->state_time = time(NULL);
}
/*
* 'compare_devices()' - Compare two devices...
*/
static int /* O - Result of comparison */
compare_devices(server_device_t *a, /* I - First device */
server_device_t *b) /* I - Second device */
{
return (strcmp(a->uuid, b->uuid));
}
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