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/*
* Copyright © 2011 Intel Corp.
*
* 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 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, see
* <http://www.gnu.org/licenses/>.
*
* Authored by: Rob Staudinger <robsta@linux.intel.com>
*/
#include "config.h"
#include "yts-capability.h"
#include "yts-marshal.h"
#include "yts-service-adapter.h"
G_DEFINE_TYPE (YtsServiceAdapter, yts_service_adapter, G_TYPE_OBJECT)
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN PACKAGE"\0service-adapter\0"G_STRLOC
enum {
PROP_0,
PROP_FQC_ID,
PROP_SERVICE
};
enum {
ERROR_SIGNAL,
EVENT_SIGNAL,
RESPONSE_SIGNAL,
N_SIGNALS
};
static unsigned int _signals[N_SIGNALS] = { 0, };
static GVariant *
_collect_properties (YtsServiceAdapter *self)
{
g_critical ("%s : Method YtsServiceAdapter.collect_properties() not implemented by %s",
G_STRLOC,
G_OBJECT_TYPE_NAME (self));
return NULL;
}
static bool
_invoke (YtsServiceAdapter *self,
char const *invocation_id,
char const *aspect,
GVariant *arguments)
{
g_critical ("%s : Method YtsServiceAdapter.invoke() not implemented by %s",
G_STRLOC,
G_OBJECT_TYPE_NAME (self));
return false;
}
static void
_constructed (GObject *object)
{
YtsCapability *service;
char **fqc_ids;
char *fqc_id;
unsigned i;
bool found = false;
fqc_id = yts_service_adapter_get_fqc_id (YTS_SERVICE_ADAPTER (object));
g_return_if_fail (fqc_id);
service = yts_service_adapter_get_service (YTS_SERVICE_ADAPTER (object));
g_return_if_fail (service);
fqc_ids = yts_capability_get_fqc_ids (service);
g_return_if_fail (fqc_ids);
for (i = 0; fqc_ids[i] != NULL; i++) {
if (0 == g_strcmp0 (fqc_id, fqc_ids[i])) {
found = true;
}
}
if (!found) {
g_critical ("%s : Service %s does not match the %s capability %s",
G_STRLOC,
G_OBJECT_TYPE_NAME (service),
G_OBJECT_TYPE_NAME (object),
fqc_id);
}
g_free (fqc_id);
g_strfreev (fqc_ids);
g_object_unref (service);
}
static void
_get_property (GObject *object,
unsigned int property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_FQC_ID:
g_value_take_string (value,
yts_service_adapter_get_fqc_id (
YTS_SERVICE_ADAPTER (object)));
break;
/* Other properties need to be implemented by the subclass. */
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
/* Stub, the properties need to be implemented by the subclass. */
static void
_set_property (GObject *object,
unsigned int property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
yts_service_adapter_class_init (YtsServiceAdapterClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GParamSpec *pspec;
object_class->constructed = _constructed;
object_class->get_property = _get_property;
object_class->set_property = _set_property;
klass->collect_properties = _collect_properties;
klass->invoke = _invoke;
/* Properties */
pspec = g_param_spec_string ("fqc-id", "", "",
NULL,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_FQC_ID, pspec);
pspec = g_param_spec_object ("service", "", "",
G_TYPE_OBJECT,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_property (object_class, PROP_SERVICE, pspec);
/* Signals */
_signals[ERROR_SIGNAL] = g_signal_new ("error",
YTS_TYPE_SERVICE_ADAPTER,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (YtsServiceAdapterClass,
error),
NULL, NULL,
yts_marshal_VOID__STRING_BOXED,
G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_ERROR);
_signals[EVENT_SIGNAL] = g_signal_new ("event",
YTS_TYPE_SERVICE_ADAPTER,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (YtsServiceAdapterClass,
event),
NULL, NULL,
yts_marshal_VOID__STRING_BOXED,
G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_VARIANT);
_signals[RESPONSE_SIGNAL] = g_signal_new ("response",
YTS_TYPE_SERVICE_ADAPTER,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (YtsServiceAdapterClass,
response),
NULL, NULL,
yts_marshal_VOID__STRING_BOXED,
G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_VARIANT);
}
static void
yts_service_adapter_init (YtsServiceAdapter *self)
{
}
char *
yts_service_adapter_get_fqc_id (YtsServiceAdapter *self)
{
char *fqc_id;
g_return_val_if_fail (YTS_IS_SERVICE_ADAPTER (self), NULL);
/* Get from subclass. */
fqc_id = NULL;
g_object_get (self, "fqc-id", &fqc_id, NULL);
return fqc_id;
}
YtsCapability *
yts_service_adapter_get_service (YtsServiceAdapter *self)
{
YtsCapability *service;
g_return_val_if_fail (YTS_IS_SERVICE_ADAPTER (self), NULL);
service = NULL;
g_object_get (G_OBJECT (self), "service", &service, NULL);
return service;
}
GVariant *
yts_service_adapter_collect_properties (YtsServiceAdapter *self)
{
g_return_val_if_fail (YTS_IS_SERVICE_ADAPTER (self), NULL);
return YTS_SERVICE_ADAPTER_GET_CLASS (self)->collect_properties (self);
}
bool
yts_service_adapter_invoke (YtsServiceAdapter *self,
char const *invocation_id,
char const *aspect,
GVariant *arguments)
{
bool keep_sae;
g_return_val_if_fail (YTS_IS_SERVICE_ADAPTER (self), false);
keep_sae = YTS_SERVICE_ADAPTER_GET_CLASS (self)->invoke (self,
invocation_id,
aspect,
arguments);
/* This is a bit hackish, ok, but it allows for creating the variant
* in the invocation of this function. */
if (arguments &&
g_variant_is_floating (arguments)) {
g_variant_unref (arguments);
}
return keep_sae;
}
void
yts_service_adapter_send_error (YtsServiceAdapter *self,
char const *invocation_id,
GError const *error)
{
g_return_if_fail (YTS_IS_SERVICE_ADAPTER (self));
g_signal_emit (self, _signals[ERROR_SIGNAL], 0,
invocation_id, error);
}
void
yts_service_adapter_send_event (YtsServiceAdapter *self,
char const *aspect,
GVariant *arguments)
{
g_return_if_fail (YTS_IS_SERVICE_ADAPTER (self));
/* This is a bit hackish, ok, but it allows for creating the variant
* in the invocation of this function. */
g_signal_emit (self, _signals[EVENT_SIGNAL], 0,
aspect, arguments);
if (arguments &&
g_variant_is_floating (arguments)) {
g_variant_unref (arguments);
}
}
void
yts_service_adapter_send_response (YtsServiceAdapter *self,
char const *invocation_id,
GVariant *return_value)
{
g_return_if_fail (YTS_IS_SERVICE_ADAPTER (self));
/* This is a bit hackish, ok, but it allows for creating the variant
* in the invocation of this function. */
g_signal_emit (self, _signals[RESPONSE_SIGNAL], 0,
invocation_id, return_value);
if (return_value &&
g_variant_is_floating (return_value)) {
g_variant_unref (return_value);
}
}
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