/*
* ga-service-browser.c - Source for GaServiceBrowser
* Copyright (C) 2006-2007 Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <avahi-client/client.h>
#include <avahi-client/lookup.h>
#include <avahi-common/error.h>
#include "ga-service-browser.h"
#include "signals-marshal.h"
#include "ga-error.h"
#include "ga-enums-enumtypes.h"
G_DEFINE_TYPE(GaServiceBrowser, ga_service_browser, G_TYPE_OBJECT)
/* signal enum */
enum {
NEW,
REMOVED,
CACHE_EXHAUSTED,
ALL_FOR_NOW,
FAILURE,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/* properties */
enum {
PROP_PROTOCOL = 1,
PROP_IFINDEX,
PROP_TYPE,
PROP_DOMAIN,
PROP_FLAGS
};
/* private structure */
typedef struct _GaServiceBrowserPrivate GaServiceBrowserPrivate;
struct _GaServiceBrowserPrivate {
GaClient *client;
AvahiServiceBrowser *browser;
AvahiIfIndex interface;
AvahiProtocol protocol;
char *type;
char *domain;
AvahiLookupFlags flags;
gboolean dispose_has_run;
};
#define GA_SERVICE_BROWSER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GA_TYPE_SERVICE_BROWSER, GaServiceBrowserPrivate))
static void ga_service_browser_init(GaServiceBrowser * obj) {
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(obj);
/* allocate any data required by the object here */
priv->client = NULL;
priv->browser = NULL;
priv->type = NULL;
priv->domain = NULL;
}
static void ga_service_browser_dispose(GObject * object);
static void ga_service_browser_finalize(GObject * object);
static void ga_service_browser_set_property(GObject * object,
guint property_id,
const GValue * value, GParamSpec * pspec) {
GaServiceBrowser *browser = GA_SERVICE_BROWSER(object);
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(browser);
g_assert(priv->browser == NULL);
switch (property_id) {
case PROP_PROTOCOL:
priv->protocol = g_value_get_enum(value);
break;
case PROP_IFINDEX:
priv->interface = g_value_get_int(value);
break;
case PROP_TYPE:
priv->type = g_strdup(g_value_get_string(value));
break;
case PROP_DOMAIN:
priv->domain = g_strdup(g_value_get_string(value));
break;
case PROP_FLAGS:
priv->flags = g_value_get_enum(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void ga_service_browser_get_property(GObject * object,
guint property_id,
GValue * value, GParamSpec * pspec) {
GaServiceBrowser *browser = GA_SERVICE_BROWSER(object);
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(browser);
switch (property_id) {
case PROP_PROTOCOL:
g_value_set_int(value, priv->protocol);
break;
case PROP_IFINDEX:
g_value_set_int(value, priv->interface);
break;
case PROP_TYPE:
g_value_set_string(value, priv->type);
break;
case PROP_DOMAIN:
g_value_set_string(value, priv->domain);
break;
case PROP_FLAGS:
g_value_set_enum(value, priv->flags);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
break;
}
}
static void ga_service_browser_class_init(GaServiceBrowserClass *
ga_service_browser_class) {
GObjectClass *object_class = G_OBJECT_CLASS(ga_service_browser_class);
GParamSpec *param_spec;
g_type_class_add_private(ga_service_browser_class,
sizeof (GaServiceBrowserPrivate));
object_class->dispose = ga_service_browser_dispose;
object_class->finalize = ga_service_browser_finalize;
object_class->set_property = ga_service_browser_set_property;
object_class->get_property = ga_service_browser_get_property;
signals[NEW] =
g_signal_new("new-service",
G_OBJECT_CLASS_TYPE(ga_service_browser_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
_ga_signals_marshal_VOID__INT_ENUM_STRING_STRING_STRING_UINT,
G_TYPE_NONE, 6,
G_TYPE_INT,
GA_TYPE_PROTOCOL,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING, GA_TYPE_LOOKUP_RESULT_FLAGS);
signals[REMOVED] =
g_signal_new("removed-service",
G_OBJECT_CLASS_TYPE(ga_service_browser_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
_ga_signals_marshal_VOID__INT_ENUM_STRING_STRING_STRING_UINT,
G_TYPE_NONE, 6,
G_TYPE_INT,
GA_TYPE_PROTOCOL,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_STRING, GA_TYPE_LOOKUP_RESULT_FLAGS);
signals[ALL_FOR_NOW] =
g_signal_new("all-for-now",
G_OBJECT_CLASS_TYPE(ga_service_browser_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
signals[CACHE_EXHAUSTED] =
g_signal_new("cache-exhausted",
G_OBJECT_CLASS_TYPE(ga_service_browser_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
signals[FAILURE] =
g_signal_new("failure",
G_OBJECT_CLASS_TYPE(ga_service_browser_class),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__POINTER,
G_TYPE_NONE, 1, G_TYPE_POINTER);
param_spec = g_param_spec_enum("protocol", "Avahi protocol to browse",
"Avahi protocol to browse",
GA_TYPE_PROTOCOL,
GA_PROTOCOL_UNSPEC,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_BLURB);
g_object_class_install_property(object_class, PROP_PROTOCOL, param_spec);
param_spec = g_param_spec_int("interface", "interface index",
"Interface use for browser",
AVAHI_IF_UNSPEC,
G_MAXINT,
AVAHI_IF_UNSPEC,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB);
g_object_class_install_property(object_class, PROP_IFINDEX, param_spec);
param_spec = g_param_spec_string("type", "service type",
"Service type to browse for",
NULL,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_BLURB);
g_object_class_install_property(object_class, PROP_TYPE, param_spec);
param_spec = g_param_spec_string("domain", "service domain",
"Domain to browse in",
NULL,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_BLURB);
g_object_class_install_property(object_class, PROP_DOMAIN, param_spec);
param_spec = g_param_spec_enum("flags", "Lookup flags for the browser",
"Browser lookup flags",
GA_TYPE_LOOKUP_FLAGS,
GA_LOOKUP_NO_FLAGS,
G_PARAM_READWRITE |
G_PARAM_STATIC_NAME |
G_PARAM_STATIC_BLURB);
g_object_class_install_property(object_class, PROP_FLAGS, param_spec);
}
void ga_service_browser_dispose(GObject * object) {
GaServiceBrowser *self = GA_SERVICE_BROWSER(object);
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(self);
if (priv->dispose_has_run)
return;
priv->dispose_has_run = TRUE;
if (priv->browser)
avahi_service_browser_free(priv->browser);
priv->browser = NULL;
if (priv->client)
g_object_unref(priv->client);
priv->client = NULL;
/* release any references held by the object here */
if (G_OBJECT_CLASS(ga_service_browser_parent_class)->dispose)
G_OBJECT_CLASS(ga_service_browser_parent_class)->dispose(object);
}
void ga_service_browser_finalize(GObject * object) {
GaServiceBrowser *self = GA_SERVICE_BROWSER(object);
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(self);
/* free any data held directly by the object here */
g_free(priv->type);
priv->type = NULL;
g_free(priv->domain);
priv->domain = NULL;
G_OBJECT_CLASS(ga_service_browser_parent_class)->finalize(object);
}
static void _avahi_service_browser_cb(AvahiServiceBrowser * b, AvahiIfIndex interface,
AvahiProtocol protocol, AvahiBrowserEvent event,
const char *name, const char *type,
const char *domain, AvahiLookupResultFlags flags,
void *userdata) {
GaServiceBrowser *self = GA_SERVICE_BROWSER(userdata);
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(self);
if (priv->browser == NULL) {
priv->browser = b;
}
g_assert(priv->browser == b);
switch (event) {
case AVAHI_BROWSER_NEW:
case AVAHI_BROWSER_REMOVE:{
guint signalid;
signalid = (event == AVAHI_BROWSER_NEW ? NEW : REMOVED);
g_signal_emit(self, signals[signalid], 0,
interface, protocol, name, type, domain, flags);
break;
}
case AVAHI_BROWSER_CACHE_EXHAUSTED:
g_signal_emit(self, signals[CACHE_EXHAUSTED], 0);
break;
case AVAHI_BROWSER_ALL_FOR_NOW:
g_signal_emit(self, signals[ALL_FOR_NOW], 0);
break;
case AVAHI_BROWSER_FAILURE:{
GError *error;
int aerrno = avahi_client_errno(priv->client->avahi_client);
error = g_error_new(GA_ERROR, aerrno,
"Browsing failed: %s",
avahi_strerror(aerrno));
g_signal_emit(self, signals[FAILURE], 0, error);
g_error_free(error);
break;
}
}
}
GaServiceBrowser *ga_service_browser_new(const gchar * type) {
return ga_service_browser_new_full(AVAHI_IF_UNSPEC,
AVAHI_PROTO_UNSPEC, type, NULL, 0);
}
GaServiceBrowser *ga_service_browser_new_full(AvahiIfIndex interface,
AvahiProtocol protocol,
const gchar * type, gchar * domain,
GaLookupFlags flags) {
return g_object_new(GA_TYPE_SERVICE_BROWSER,
"interface", interface,
"protocol", protocol,
"type", type, "domain", domain, "flags", flags, NULL);
}
gboolean ga_service_browser_attach(GaServiceBrowser * browser,
GaClient * client, GError ** error) {
GaServiceBrowserPrivate *priv = GA_SERVICE_BROWSER_GET_PRIVATE(browser);
g_object_ref(client);
priv->client = client;
priv->browser = avahi_service_browser_new(client->avahi_client,
priv->interface,
priv->protocol,
priv->type, priv->domain,
priv->flags,
_avahi_service_browser_cb,
browser);
if (priv->browser == NULL) {
if (error != NULL) {
int aerrno = avahi_client_errno(client->avahi_client);
*error = g_error_new(GA_ERROR, aerrno,
"Attaching group failed: %s",
avahi_strerror(aerrno));
}
return FALSE;
}
return TRUE;
}