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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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* |
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* Copyright 2012 Red Hat, Inc, |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, see <http://www.gnu.org/licenses/>. |
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* |
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* Author: Marek Kasik <mkasik@redhat.com> |
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*/ |
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#include "config.h" |
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#include "pp-cups.h" |
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#if (CUPS_VERSION_MAJOR > 1) || (CUPS_VERSION_MINOR > 5) |
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#define HAVE_CUPS_1_6 1 |
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#endif |
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#ifndef HAVE_CUPS_1_6 |
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#define ippGetInteger(attr, element) attr->values[element].integer |
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#define ippGetStatusCode(ipp) ipp->request.status.status_code |
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#endif |
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struct _PpCups |
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{ |
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GObject parent_instance; |
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}; |
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G_DEFINE_TYPE (PpCups, pp_cups, G_TYPE_OBJECT); |
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static void |
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pp_cups_class_init (PpCupsClass *klass) |
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{ |
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} |
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static void |
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pp_cups_init (PpCups *self) |
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{ |
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} |
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PpCups * |
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pp_cups_new () |
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{ |
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return g_object_new (PP_TYPE_CUPS, NULL); |
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} |
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static void |
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pp_cups_dests_free (PpCupsDests *dests) |
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{ |
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cupsFreeDests (dests->num_of_dests, dests->dests); |
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} |
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static void |
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_pp_cups_get_dests_thread (GTask *task, |
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gpointer *object, |
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gpointer task_data, |
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GCancellable *cancellable) |
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{ |
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PpCupsDests *dests; |
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dests = g_new0 (PpCupsDests, 1); |
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dests->num_of_dests = cupsGetDests (&dests->dests); |
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if (g_task_set_return_on_cancel (task, FALSE)) |
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{ |
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g_task_return_pointer (task, dests, (GDestroyNotify) pp_cups_dests_free); |
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} |
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else |
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{ |
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pp_cups_dests_free (dests); |
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} |
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} |
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void |
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pp_cups_get_dests_async (PpCups *self, |
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GCancellable *cancellable, |
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GAsyncReadyCallback callback, |
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gpointer user_data) |
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{ |
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g_autoptr(GTask) task = NULL; |
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task = g_task_new (self, cancellable, callback, user_data); |
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g_task_set_return_on_cancel (task, TRUE); |
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g_task_run_in_thread (task, (GTaskThreadFunc) _pp_cups_get_dests_thread); |
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} |
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PpCupsDests * |
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pp_cups_get_dests_finish (PpCups *self, |
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GAsyncResult *res, |
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GError **error) |
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{ |
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g_return_val_if_fail (g_task_is_valid (res, self), NULL); |
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return g_task_propagate_pointer (G_TASK (res), error); |
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} |
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static void |
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connection_test_thread (GTask *task, |
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gpointer source_object, |
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gpointer task_data, |
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GCancellable *cancellable) |
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{ |
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http_t *http; |
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#ifdef HAVE_CUPS_HTTPCONNECT2 |
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http = httpConnect2 (cupsServer (), ippPort (), NULL, AF_UNSPEC, |
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cupsEncryption (), 1, 30000, NULL); |
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#else |
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http = httpConnectEncrypt (cupsServer (), ippPort (), cupsEncryption ()); |
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#endif |
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httpClose (http); |
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if (g_task_set_return_on_cancel (task, FALSE)) |
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{ |
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g_task_return_boolean (task, http != NULL); |
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} |
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} |
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void |
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pp_cups_connection_test_async (PpCups *self, |
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GCancellable *cancellable, |
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GAsyncReadyCallback callback, |
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gpointer user_data) |
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{ |
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g_autoptr(GTask) task = NULL; |
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task = g_task_new (self, cancellable, callback, user_data); |
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g_task_set_return_on_cancel (task, TRUE); |
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g_task_run_in_thread (task, connection_test_thread); |
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} |
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gboolean |
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pp_cups_connection_test_finish (PpCups *self, |
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GAsyncResult *result, |
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GError **error) |
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{ |
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g_return_val_if_fail (g_task_is_valid (result, self), FALSE); |
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return g_task_propagate_boolean (G_TASK (result), error); |
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} |
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/* Cancels subscription of given id */ |
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static void |
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cancel_subscription_thread (GTask *task, |
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gpointer source_object, |
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gpointer task_data, |
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GCancellable *cancellable) |
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{ |
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ipp_t *request; |
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ipp_t *response = NULL; |
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gint id = GPOINTER_TO_INT (task_data); |
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if (id >= 0) |
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{ |
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request = ippNewRequest (IPP_CANCEL_SUBSCRIPTION); |
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ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_URI, |
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"printer-uri", NULL, "/"); |
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ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
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"requesting-user-name", NULL, cupsUser ()); |
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ippAddInteger (request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, |
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"notify-subscription-id", id); |
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response = cupsDoRequest (CUPS_HTTP_DEFAULT, request, "/"); |
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} |
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g_task_return_boolean (task, response != NULL && ippGetStatusCode (response) <= IPP_OK); |
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ippDelete (response); |
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} |
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void |
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pp_cups_cancel_subscription_async (PpCups *self, |
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gint subscription_id, |
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GAsyncReadyCallback callback, |
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gpointer user_data) |
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{ |
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g_autoptr(GTask) task = NULL; |
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task = g_task_new (self, NULL, callback, user_data); |
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g_task_set_task_data (task, GINT_TO_POINTER (subscription_id), NULL); |
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g_task_run_in_thread (task, cancel_subscription_thread); |
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} |
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gboolean |
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pp_cups_cancel_subscription_finish (PpCups *self, |
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GAsyncResult *result) |
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{ |
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g_return_val_if_fail (g_task_is_valid (result, self), FALSE); |
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return g_task_propagate_boolean (G_TASK (result), NULL); |
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} |
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typedef struct { |
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gint id; |
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gchar **events; |
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int lease_duration; |
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} CRSData; |
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static void |
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crs_data_free (CRSData *data) |
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{ |
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g_strfreev (data->events); |
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g_slice_free (CRSData, data); |
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} |
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static void |
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renew_subscription_thread (GTask *task, |
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gpointer source_object, |
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gpointer task_data, |
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GCancellable *cancellable) |
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{ |
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ipp_attribute_t *attr = NULL; |
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CRSData *subscription_data = task_data; |
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ipp_t *request; |
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ipp_t *response = NULL; |
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gint result = -1; |
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if (g_cancellable_is_cancelled (cancellable)) |
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return; |
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if (subscription_data->id > 0) |
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{ |
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request = ippNewRequest (IPP_RENEW_SUBSCRIPTION); |
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ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_URI, |
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"printer-uri", NULL, "/"); |
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ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
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"requesting-user-name", NULL, cupsUser ()); |
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ippAddInteger (request, IPP_TAG_OPERATION, IPP_TAG_INTEGER, |
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"notify-subscription-id", subscription_data->id); |
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ippAddInteger (request, IPP_TAG_SUBSCRIPTION, IPP_TAG_INTEGER, |
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"notify-lease-duration", subscription_data->lease_duration); |
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response = cupsDoRequest (CUPS_HTTP_DEFAULT, request, "/"); |
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if (response != NULL && ippGetStatusCode (response) <= IPP_OK_CONFLICT) |
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{ |
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if ((attr = ippFindAttribute (response, "notify-lease-duration", IPP_TAG_INTEGER)) == NULL) |
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g_debug ("No notify-lease-duration in response!\n"); |
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else if (ippGetInteger (attr, 0) == subscription_data->lease_duration) |
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result = subscription_data->id; |
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} |
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} |
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if (result < 0) |
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{ |
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request = ippNewRequest (IPP_CREATE_PRINTER_SUBSCRIPTION); |
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ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_URI, |
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"printer-uri", NULL, "/"); |
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ippAddString (request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
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"requesting-user-name", NULL, cupsUser ()); |
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ippAddStrings (request, IPP_TAG_SUBSCRIPTION, IPP_TAG_KEYWORD, |
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"notify-events", g_strv_length (subscription_data->events), NULL, |
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(const char * const *) subscription_data->events); |
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ippAddString (request, IPP_TAG_SUBSCRIPTION, IPP_TAG_KEYWORD, |
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"notify-pull-method", NULL, "ippget"); |
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ippAddString (request, IPP_TAG_SUBSCRIPTION, IPP_TAG_URI, |
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"notify-recipient-uri", NULL, "dbus://"); |
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ippAddInteger (request, IPP_TAG_SUBSCRIPTION, IPP_TAG_INTEGER, |
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"notify-lease-duration", subscription_data->lease_duration); |
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response = cupsDoRequest (CUPS_HTTP_DEFAULT, request, "/"); |
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if (response != NULL && ippGetStatusCode (response) <= IPP_OK_CONFLICT) |
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{ |
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if ((attr = ippFindAttribute (response, "notify-subscription-id", IPP_TAG_INTEGER)) == NULL) |
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g_debug ("No notify-subscription-id in response!\n"); |
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else |
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result = ippGetInteger (attr, 0); |
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} |
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} |
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ippDelete (response); |
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g_task_return_int (task, result); |
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} |
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void |
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pp_cups_renew_subscription_async (PpCups *self, |
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gint subscription_id, |
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gchar **events, |
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gint lease_duration, |
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GCancellable *cancellable, |
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GAsyncReadyCallback callback, |
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gpointer user_data) |
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{ |
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CRSData *subscription_data; |
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g_autoptr(GTask) task = NULL; |
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subscription_data = g_slice_new (CRSData); |
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subscription_data->id = subscription_id; |
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subscription_data->events = g_strdupv (events); |
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subscription_data->lease_duration = lease_duration; |
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task = g_task_new (self, cancellable, callback, user_data); |
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g_task_set_task_data (task, subscription_data, (GDestroyNotify) crs_data_free); |
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g_task_run_in_thread (task, renew_subscription_thread); |
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} |
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/* Returns id of renewed subscription or new id */ |
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gint |
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pp_cups_renew_subscription_finish (PpCups *self, |
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GAsyncResult *result) |
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{ |
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g_return_val_if_fail (g_task_is_valid (result, self), FALSE); |
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return g_task_propagate_int (G_TASK (result), NULL); |
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} |
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