pipewire/pinos/client/introspect.c
Wim Taymans 7597e48e02 source-output -> channel
Rename the source-output object to channel because it is used for both
input and output.
Start the beginnings of sink support. This will make it possible to make
pinos consume data as well as provide data.
2016-05-03 18:00:56 +02:00

666 lines
21 KiB
C

/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
#include <string.h>
#include "pinos/client/pinos.h"
#include "pinos/client/context.h"
#include "pinos/client/enumtypes.h"
#include "pinos/client/subscribe.h"
#include "pinos/client/private.h"
/**
* pinos_context_info_finish:
* @object: a #GObject
* @res: a #GAsyncResult
* @error: location to place an error
*
* Call this function in the introspection GAsyncReadyCallback function
* to get the final result of the operation.
*
* Returns: %TRUE if the lookup was successful. If %FALSE is returned, @error
* will contain more details.
*/
gboolean
pinos_context_info_finish (GObject *object,
GAsyncResult *res,
GError **error)
{
g_return_val_if_fail (g_task_is_valid (res, object), FALSE);
return g_task_propagate_boolean (G_TASK (res), error);
}
#define SET_STRING(name, field, idx) \
G_STMT_START { \
GVariant *variant; \
if (!changed || g_hash_table_contains (changed, name)) \
info->change_mask |= 1 << idx; \
if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
info->field = g_variant_get_string (variant, NULL); \
g_variant_unref (variant); \
} else { \
info->field = "Unknown"; \
} \
} G_STMT_END
#define SET_UINT32(name, field, idx, def) \
G_STMT_START { \
GVariant *variant; \
if (!changed || g_hash_table_contains (changed, name)) \
info->change_mask |= 1 << idx; \
if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
info->field = g_variant_get_uint32 (variant); \
g_variant_unref (variant); \
} else { \
info->field = def; \
} \
} G_STMT_END
#define SET_PROPERTIES(name, field, idx) \
G_STMT_START { \
GVariant *variant; \
if (!changed || g_hash_table_contains (changed, name)) \
info->change_mask |= 1 << idx; \
if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
info->field = pinos_properties_from_variant (variant); \
g_variant_unref (variant); \
} else { \
info->field = NULL; \
} \
} G_STMT_END
#define SET_BYTES(name, field, idx) \
G_STMT_START { \
GVariant *variant; \
if (!changed || g_hash_table_contains (changed, name)) \
info->change_mask |= 1 << idx; \
if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
gsize len; \
gchar *bytes = g_variant_dup_string (variant, &len); \
info->field = g_bytes_new_take (bytes, len +1); \
g_variant_unref (variant); \
} else { \
info->field = NULL; \
} \
} G_STMT_END
static void
daemon_fill_info (PinosDaemonInfo *info, GDBusProxy *proxy)
{
GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
info->id = proxy;
info->daemon_path = g_dbus_proxy_get_object_path (proxy);
info->change_mask = 0;
SET_STRING ("UserName", user_name, 0);
SET_STRING ("HostName", host_name, 1);
SET_STRING ("Version", version, 2);
SET_STRING ("Name", name, 3);
SET_UINT32 ("Cookie", cookie, 4, 0);
SET_PROPERTIES ("Properties", properties, 5);
if (changed)
g_hash_table_remove_all (changed);
}
static void
daemon_clear_info (PinosDaemonInfo *info)
{
if (info->properties)
pinos_properties_free (info->properties);
}
/**
* pinos_context_get_daemon_info:
* @context: a #PinosContext
* @flags: extra flags
* @cb: a callback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Get the information of the daemon @context is connected to.
*/
void
pinos_context_get_daemon_info (PinosContext *context,
PinosDaemonInfoFlags flags,
PinosDaemonInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosDaemonInfo info;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
daemon_fill_info (&info, context->priv->daemon);
cb (context, &info, user_data);
daemon_clear_info (&info);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
client_fill_info (PinosClientInfo *info, GDBusProxy *proxy)
{
GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
info->id = proxy;
info->client_path = g_dbus_proxy_get_object_path (proxy);
info->change_mask = 0;
SET_STRING ("Name", name, 0);
SET_PROPERTIES ("Properties", properties, 1);
if (changed)
g_hash_table_remove_all (changed);
}
static void
client_clear_info (PinosClientInfo *info)
{
if (info->properties)
pinos_properties_free (info->properties);
}
/**
* pinos_context_list_client_info:
* @context: a connected #PinosContext
* @flags: extra #PinosClientInfoFlags
* @cb: a #PinosClientInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for each client.
*/
void
pinos_context_list_client_info (PinosContext *context,
PinosClientInfoFlags flags,
PinosClientInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosContextPrivate *priv;
GList *walk;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
priv = context->priv;
for (walk = priv->clients; walk; walk = g_list_next (walk)) {
GDBusProxy *proxy = walk->data;
PinosClientInfo info;
client_fill_info (&info, proxy);
cb (context, &info, user_data);
client_clear_info (&info);
}
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_context_get_client_info_by_id:
* @context: a connected #PinosContext
* @id: a client id
* @flags: extra #PinosClientInfoFlags
* @cb: a #PinosClientInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for the client with @id.
*/
void
pinos_context_get_client_info_by_id (PinosContext *context,
gpointer id,
PinosClientInfoFlags flags,
PinosClientInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosClientInfo info;
GDBusProxy *proxy;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (id != NULL);
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
proxy = G_DBUS_PROXY (id);
client_fill_info (&info, proxy);
cb (context, &info, user_data);
client_clear_info (&info);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_source_state_as_string:
* @state: a #PinosSourceState
*
* Return the string representation of @state.
*
* Returns: the string representation of @state.
*/
const gchar *
pinos_source_state_as_string (PinosSourceState state)
{
GEnumValue *val;
val = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (PINOS_TYPE_SOURCE_STATE)),
state);
return val == NULL ? "invalid-state" : val->value_nick;
}
static void
source_fill_info (PinosSourceInfo *info, GDBusProxy *proxy)
{
GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
info->id = proxy;
info->source_path = g_dbus_proxy_get_object_path (proxy);
info->change_mask = 0;
SET_STRING ("Name", name, 0);
SET_PROPERTIES ("Properties", properties, 1);
SET_UINT32 ("State", state, 2, PINOS_SOURCE_STATE_ERROR);
SET_BYTES ("PossibleFormats", possible_formats, 3);
if (changed)
g_hash_table_remove_all (changed);
}
static void
source_clear_info (PinosSourceInfo *info)
{
if (info->properties)
pinos_properties_free (info->properties);
if (info->possible_formats)
g_bytes_unref (info->possible_formats);
}
/**
* pinos_context_list_source_info:
* @context: a connected #PinosContext
* @flags: extra #PinosSourceInfoFlags
* @cb: a #PinosSourceInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for each source.
*/
void
pinos_context_list_source_info (PinosContext *context,
PinosSourceInfoFlags flags,
PinosSourceInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosContextPrivate *priv;
GList *walk;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
priv = context->priv;
for (walk = priv->sources; walk; walk = g_list_next (walk)) {
GDBusProxy *proxy = walk->data;
PinosSourceInfo info;
source_fill_info (&info, proxy);
cb (context, &info, user_data);
source_clear_info (&info);
}
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_context_get_source_info_by_id:
* @context: a connected #PinosContext
* @id: a source id
* @flags: extra #PinosSourceInfoFlags
* @cb: a #PinosSourceInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for the source with @id.
*/
void
pinos_context_get_source_info_by_id (PinosContext *context,
gpointer id,
PinosSourceInfoFlags flags,
PinosSourceInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosSourceInfo info;
GDBusProxy *proxy;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (id != NULL);
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
proxy = G_DBUS_PROXY (id);
source_fill_info (&info, proxy);
cb (context, &info, user_data);
source_clear_info (&info);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_sink_state_as_string:
* @state: a #PinosSinkState
*
* Return the string representation of @state.
*
* Returns: the string representation of @state.
*/
const gchar *
pinos_sink_state_as_string (PinosSinkState state)
{
GEnumValue *val;
val = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (PINOS_TYPE_SINK_STATE)),
state);
return val == NULL ? "invalid-state" : val->value_nick;
}
static void
sink_fill_info (PinosSinkInfo *info, GDBusProxy *proxy)
{
GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
info->id = proxy;
info->sink_path = g_dbus_proxy_get_object_path (proxy);
info->change_mask = 0;
SET_STRING ("Name", name, 0);
SET_PROPERTIES ("Properties", properties, 1);
SET_UINT32 ("State", state, 2, PINOS_SINK_STATE_ERROR);
SET_BYTES ("PossibleFormats", possible_formats, 3);
if (changed)
g_hash_table_remove_all (changed);
}
static void
sink_clear_info (PinosSinkInfo *info)
{
if (info->properties)
pinos_properties_free (info->properties);
if (info->possible_formats)
g_bytes_unref (info->possible_formats);
}
/**
* pinos_context_list_sink_info:
* @context: a connected #PinosContext
* @flags: extra #PinosSinkInfoFlags
* @cb: a #PinosSinkInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for each sink.
*/
void
pinos_context_list_sink_info (PinosContext *context,
PinosSinkInfoFlags flags,
PinosSinkInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosContextPrivate *priv;
GList *walk;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
priv = context->priv;
for (walk = priv->sinks; walk; walk = g_list_next (walk)) {
GDBusProxy *proxy = walk->data;
PinosSinkInfo info;
sink_fill_info (&info, proxy);
cb (context, &info, user_data);
sink_clear_info (&info);
}
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_context_get_sink_info_by_id:
* @context: a connected #PinosContext
* @id: a sink id
* @flags: extra #PinosSinkInfoFlags
* @cb: a #PinosSinkInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for the sink with @id.
*/
void
pinos_context_get_sink_info_by_id (PinosContext *context,
gpointer id,
PinosSinkInfoFlags flags,
PinosSinkInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosSinkInfo info;
GDBusProxy *proxy;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (id != NULL);
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
proxy = G_DBUS_PROXY (id);
sink_fill_info (&info, proxy);
cb (context, &info, user_data);
sink_clear_info (&info);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_channel_state_as_string:
* @state: a #PinosChannelState
*
* Return the string representation of @state.
*
* Returns: the string representation of @state.
*/
const gchar *
pinos_channel_state_as_string (PinosChannelState state)
{
GEnumValue *val;
val = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (PINOS_TYPE_CHANNEL_STATE)),
state);
return val == NULL ? "invalid-state" : val->value_nick;
}
static void
channel_fill_info (PinosChannelInfo *info, GDBusProxy *proxy)
{
GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
info->id = proxy;
info->channel_path = g_dbus_proxy_get_object_path (proxy);
info->change_mask = 0;
SET_STRING ("Client", client_path, 0);
SET_STRING ("Owner", owner_path, 1);
SET_BYTES ("PossibleFormats", possible_formats, 2);
SET_UINT32 ("State", state, 3, PINOS_CHANNEL_STATE_ERROR);
SET_BYTES ("Format", format, 4);
SET_PROPERTIES ("Properties", properties, 5);
if (changed)
g_hash_table_remove_all (changed);
}
static void
channel_clear_info (PinosChannelInfo *info)
{
if (info->possible_formats)
g_bytes_unref (info->possible_formats);
if (info->properties)
pinos_properties_free (info->properties);
}
/**
* pinos_context_list_channel_info:
* @context: a connected #PinosContext
* @flags: extra #PinosChannelInfoFlags
* @cb: a #PinosChannelInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for each channel.
*/
void
pinos_context_list_channel_info (PinosContext *context,
PinosChannelInfoFlags flags,
PinosChannelInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosContextPrivate *priv;
GList *walk;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
priv = context->priv;
for (walk = priv->channels; walk; walk = g_list_next (walk)) {
GDBusProxy *proxy = walk->data;
PinosChannelInfo info;
channel_fill_info (&info, proxy);
cb (context, &info, user_data);
channel_clear_info (&info);
}
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
/**
* pinos_context_get_channel_info_by_id:
* @context: a connected #PinosContext
* @id: a source output id
* @flags: extra #PinosChannelInfoFlags
* @cb: a #PinosChannelInfoCallback
* @cancelable: a #GCancellable
* @callback: a #GAsyncReadyCallback to call when the operation is finished
* @user_data: user data passed to @cb
*
* Call @cb for the channel with @id.
*/
void
pinos_context_get_channel_info_by_id (PinosContext *context,
gpointer id,
PinosChannelInfoFlags flags,
PinosChannelInfoCallback cb,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
PinosChannelInfo info;
GDBusProxy *proxy;
GTask *task;
g_return_if_fail (PINOS_IS_CONTEXT (context));
g_return_if_fail (id != NULL);
g_return_if_fail (cb != NULL);
task = g_task_new (context, cancellable, callback, user_data);
proxy = G_DBUS_PROXY (id);
channel_fill_info (&info, proxy);
cb (context, &info, user_data);
channel_clear_info (&info);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}