381 lines
14 KiB
C
381 lines
14 KiB
C
/*
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* ga-record-browser.c - Source for GaRecordBrowser
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* Copyright (C) 2007 Collabora Ltd.
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* @author Sjoerd Simons <sjoerd@luon.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include "ga-record-browser.h"
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#include "signals-marshal.h"
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#include "ga-error.h"
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#include "ga-enums-enumtypes.h"
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G_DEFINE_TYPE(GaRecordBrowser, ga_record_browser, G_TYPE_OBJECT)
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/* signal enum */
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enum {
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NEW,
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REMOVED,
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FAILURE,
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ALL_FOR_NOW,
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CACHE_EXHAUSTED,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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/* properties */
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enum {
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PROP_PROTOCOL = 1,
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PROP_IFINDEX,
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PROP_NAME,
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PROP_CLASS,
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PROP_TYPE,
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PROP_FLAGS
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};
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/* private structure */
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typedef struct _GaRecordBrowserPrivate GaRecordBrowserPrivate;
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struct _GaRecordBrowserPrivate {
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gboolean dispose_has_run;
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GaClient *client;
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AvahiRecordBrowser *browser;
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AvahiProtocol protocol;
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AvahiIfIndex interface;
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gchar *name;
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guint16 class;
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guint16 type;
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AvahiLookupFlags flags;
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};
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#define GA_RECORD_BROWSER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GA_TYPE_RECORD_BROWSER, GaRecordBrowserPrivate))
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static void ga_record_browser_init(AVAHI_GCC_UNUSED GaRecordBrowser * obj) {
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/* allocate any data required by the object here */
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}
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static void ga_record_browser_dispose(GObject * object);
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static void ga_record_browser_finalize(GObject * object);
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static void ga_record_browser_set_property(GObject * object,
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guint property_id,
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const GValue * value, GParamSpec * pspec) {
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GaRecordBrowser *browser = GA_RECORD_BROWSER(object);
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GaRecordBrowserPrivate *priv = GA_RECORD_BROWSER_GET_PRIVATE(browser);
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g_assert(priv->browser == NULL);
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switch (property_id) {
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case PROP_PROTOCOL:
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priv->protocol = g_value_get_enum(value);
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break;
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case PROP_IFINDEX:
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priv->interface = g_value_get_int(value);
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break;
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case PROP_NAME:
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priv->name = g_value_dup_string(value);
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break;
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case PROP_CLASS:
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priv->class = g_value_get_uint(value);
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break;
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case PROP_TYPE:
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priv->type = g_value_get_uint(value);
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break;
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case PROP_FLAGS:
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priv->flags = g_value_get_enum(value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
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break;
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}
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}
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static void ga_record_browser_get_property(GObject * object,
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guint property_id,
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GValue * value, GParamSpec * pspec) {
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GaRecordBrowser *browser = GA_RECORD_BROWSER(object);
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GaRecordBrowserPrivate *priv = GA_RECORD_BROWSER_GET_PRIVATE(browser);
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switch (property_id) {
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case PROP_PROTOCOL:
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g_value_set_int(value, priv->protocol);
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break;
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case PROP_IFINDEX:
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g_value_set_int(value, priv->interface);
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break;
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case PROP_TYPE:
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g_value_set_uint(value, priv->type);
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break;
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case PROP_CLASS:
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g_value_set_uint(value, priv->class);
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break;
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case PROP_NAME:
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g_value_set_string(value, priv->name);
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break;
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case PROP_FLAGS:
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g_value_set_enum(value, priv->flags);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
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break;
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}
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}
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static void ga_record_browser_class_init(GaRecordBrowserClass * ga_record_browser_class) {
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GObjectClass *object_class = G_OBJECT_CLASS(ga_record_browser_class);
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GParamSpec *param_spec;
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g_type_class_add_private(ga_record_browser_class,
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sizeof (GaRecordBrowserPrivate));
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object_class->dispose = ga_record_browser_dispose;
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object_class->finalize = ga_record_browser_finalize;
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object_class->set_property = ga_record_browser_set_property;
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object_class->get_property = ga_record_browser_get_property;
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signals[NEW] =
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g_signal_new("new-record",
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G_OBJECT_CLASS_TYPE(ga_record_browser_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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_ga_signals_marshal_VOID__INT_ENUM_STRING_UINT_UINT_POINTER_INT_INT,
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G_TYPE_NONE, 8,
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G_TYPE_INT,
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GA_TYPE_PROTOCOL,
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G_TYPE_STRING,
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G_TYPE_UINT,
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G_TYPE_UINT,
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G_TYPE_POINTER,
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G_TYPE_INT, GA_TYPE_LOOKUP_RESULT_FLAGS);
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signals[REMOVED] =
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g_signal_new("removed-record",
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G_OBJECT_CLASS_TYPE(ga_record_browser_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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_ga_signals_marshal_VOID__INT_ENUM_STRING_UINT_UINT_POINTER_INT_INT,
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G_TYPE_NONE, 8,
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G_TYPE_INT,
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GA_TYPE_PROTOCOL,
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G_TYPE_STRING,
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G_TYPE_UINT,
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G_TYPE_UINT,
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G_TYPE_POINTER,
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G_TYPE_INT, GA_TYPE_LOOKUP_RESULT_FLAGS);
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signals[ALL_FOR_NOW] =
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g_signal_new("all-for-now",
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G_OBJECT_CLASS_TYPE(ga_record_browser_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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signals[CACHE_EXHAUSTED] =
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g_signal_new("cache-exhausted",
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G_OBJECT_CLASS_TYPE(ga_record_browser_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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signals[FAILURE] =
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g_signal_new("failure",
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G_OBJECT_CLASS_TYPE(ga_record_browser_class),
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G_SIGNAL_RUN_LAST,
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0,
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NULL, NULL,
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g_cclosure_marshal_VOID__POINTER,
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G_TYPE_NONE, 1, G_TYPE_POINTER);
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param_spec = g_param_spec_enum("protocol", "Avahi protocol to browse",
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"Avahi protocol to browse",
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GA_TYPE_PROTOCOL,
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GA_PROTOCOL_UNSPEC,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_NAME |
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G_PARAM_STATIC_BLURB);
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g_object_class_install_property(object_class, PROP_PROTOCOL, param_spec);
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param_spec = g_param_spec_int("interface", "interface index",
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"Interface use for browser",
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AVAHI_IF_UNSPEC,
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G_MAXINT,
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AVAHI_IF_UNSPEC,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB);
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g_object_class_install_property(object_class, PROP_IFINDEX, param_spec);
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param_spec = g_param_spec_string("name", "record name",
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"Record name to browse for",
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NULL,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_NAME |
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G_PARAM_STATIC_BLURB);
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g_object_class_install_property(object_class, PROP_NAME, param_spec);
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param_spec = g_param_spec_uint("type", "record type",
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"Record type to browse for",
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0, G_MAXUINT16, 0,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_NAME |
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G_PARAM_STATIC_BLURB);
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g_object_class_install_property(object_class, PROP_TYPE, param_spec);
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param_spec = g_param_spec_uint("class", "record class",
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"Record class to browse for",
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0, G_MAXUINT16, 0,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_NAME |
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G_PARAM_STATIC_BLURB);
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g_object_class_install_property(object_class, PROP_CLASS, param_spec);
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param_spec = g_param_spec_enum("flags", "Lookup flags for the browser",
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"Browser lookup flags",
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GA_TYPE_LOOKUP_FLAGS,
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GA_LOOKUP_NO_FLAGS,
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G_PARAM_READWRITE |
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G_PARAM_STATIC_NAME |
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G_PARAM_STATIC_BLURB);
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g_object_class_install_property(object_class, PROP_FLAGS, param_spec);
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}
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void ga_record_browser_dispose(GObject * object) {
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GaRecordBrowser *self = GA_RECORD_BROWSER(object);
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GaRecordBrowserPrivate *priv = GA_RECORD_BROWSER_GET_PRIVATE(self);
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if (priv->dispose_has_run)
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return;
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priv->dispose_has_run = TRUE;
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/* release any references held by the object here */
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if (priv->client)
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g_object_unref(priv->client);
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priv->client = NULL;
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if (priv->browser)
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avahi_record_browser_free(priv->browser);
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priv->browser = NULL;
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if (G_OBJECT_CLASS(ga_record_browser_parent_class)->dispose)
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G_OBJECT_CLASS(ga_record_browser_parent_class)->dispose(object);
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}
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void ga_record_browser_finalize(GObject * object) {
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GaRecordBrowser *self = GA_RECORD_BROWSER(object);
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GaRecordBrowserPrivate *priv = GA_RECORD_BROWSER_GET_PRIVATE(self);
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/* free any data held directly by the object here */
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g_free(priv->name);
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G_OBJECT_CLASS(ga_record_browser_parent_class)->finalize(object);
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}
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GaRecordBrowser *ga_record_browser_new(const gchar * name, guint16 type) {
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return ga_record_browser_new_full(AVAHI_IF_UNSPEC,
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AVAHI_PROTO_UNSPEC, name,
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AVAHI_DNS_CLASS_IN, type, 0);
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}
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GaRecordBrowser *ga_record_browser_new_full(AvahiIfIndex interface,
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AvahiProtocol protocol,
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const gchar * name,
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guint16 clazz,
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guint16 type,
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GaLookupFlags flags) {
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return g_object_new(GA_TYPE_RECORD_BROWSER,
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"interface", interface,
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"protocol", protocol,
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"name", name,
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"class", clazz, "type", type, "flags", flags, NULL);
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}
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static void _avahi_record_browser_cb(AVAHI_GCC_UNUSED AvahiRecordBrowser * r, AvahiIfIndex interface,
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AvahiProtocol protocol, AvahiBrowserEvent event,
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const char *name, uint16_t clazz, uint16_t type,
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const void *rdata, size_t rdata_size,
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AvahiLookupResultFlags flags, void *userdata) {
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GaRecordBrowser *self = GA_RECORD_BROWSER(userdata);
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GaRecordBrowserPrivate *priv = GA_RECORD_BROWSER_GET_PRIVATE(userdata);
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switch (event) {
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case AVAHI_BROWSER_NEW:
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case AVAHI_BROWSER_REMOVE:{
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guint signalid = (event == AVAHI_BROWSER_NEW ? NEW : REMOVED);
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g_signal_emit(self, signals[signalid], 0,
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interface, protocol, name, clazz, type,
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rdata, rdata_size, flags);
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break;
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}
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case AVAHI_BROWSER_CACHE_EXHAUSTED:
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g_signal_emit(self, signals[CACHE_EXHAUSTED], 0);
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break;
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case AVAHI_BROWSER_ALL_FOR_NOW:
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g_signal_emit(self, signals[ALL_FOR_NOW], 0);
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break;
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case AVAHI_BROWSER_FAILURE:{
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GError *error;
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int aerrno = avahi_client_errno(priv->client->avahi_client);
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error = g_error_new(GA_ERROR, aerrno,
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"Browsing failed: %s",
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avahi_strerror(aerrno));
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g_signal_emit(self, signals[FAILURE], 0, error);
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g_error_free(error);
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break;
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}
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}
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}
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gboolean ga_record_browser_attach(GaRecordBrowser * browser,
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GaClient * client, GError ** error) {
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GaRecordBrowserPrivate *priv = GA_RECORD_BROWSER_GET_PRIVATE(browser);
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priv->client = g_object_ref(client);
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priv->browser = avahi_record_browser_new(client->avahi_client,
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priv->interface,
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priv->protocol,
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priv->name,
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priv->class,
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priv->type,
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priv->flags,
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_avahi_record_browser_cb,
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browser);
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if (priv->browser == NULL) {
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if (error != NULL) {
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int aerrno = avahi_client_errno(client->avahi_client);
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*error = g_error_new(GA_ERROR, aerrno,
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"Attaching record browser failed: %s",
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avahi_strerror(aerrno));
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}
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return FALSE;
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}
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return TRUE;
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}
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