mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-10-29 05:40:27 -04:00
4a5ed1e1f5
Add buffer flags. The idea is to make it possible to easily check when a buffer contains control information that we need to parse to update the port fields. Make the client create remote nodes and ports and set up proxies for them. Make a port base class implementing most of the logic to pass buffers locally and remotely. Remove most code from stream.c, it's now in the port. Make a portsink and portsrc that can write and read to/from any port. We use these in the server to send and receive data. Rework format negotiation. The final format is now sent in-line before the data. The server will select a format on output ports.
659 lines
21 KiB
C
659 lines
21 KiB
C
/* Pinos
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include "pinos/client/pinos.h"
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#include "pinos/client/context.h"
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#include "pinos/client/enumtypes.h"
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#include "pinos/client/subscribe.h"
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#include "pinos/client/private.h"
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/**
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* pinos_context_info_finish:
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* @object: a #GObject
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* @res: a #GAsyncResult
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* @error: location to place an error
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*
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* Call this function in the introspection GAsyncReadyCallback function
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* to get the final result of the operation.
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*
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* Returns: %TRUE if the lookup was successful. If %FALSE is returned, @error
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* will contain more details.
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*/
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gboolean
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pinos_context_info_finish (GObject *object,
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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, object), FALSE);
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return g_task_propagate_boolean (G_TASK (res), error);
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}
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#define SET_STRING(name, field, idx) \
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G_STMT_START { \
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GVariant *variant; \
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if (!changed || g_hash_table_contains (changed, name)) \
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info->change_mask |= 1 << idx; \
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if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
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info->field = g_variant_get_string (variant, NULL); \
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g_variant_unref (variant); \
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} else { \
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info->field = "Unknown"; \
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} \
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} G_STMT_END
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#define SET_UINT32(name, field, idx, def) \
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G_STMT_START { \
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GVariant *variant; \
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if (!changed || g_hash_table_contains (changed, name)) \
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info->change_mask |= 1 << idx; \
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if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
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info->field = g_variant_get_uint32 (variant); \
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g_variant_unref (variant); \
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} else { \
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info->field = def; \
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} \
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} G_STMT_END
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#define SET_PROPERTIES(name, field, idx) \
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G_STMT_START { \
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GVariant *variant; \
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if (!changed || g_hash_table_contains (changed, name)) \
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info->change_mask |= 1 << idx; \
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if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
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info->field = pinos_properties_from_variant (variant); \
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g_variant_unref (variant); \
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} else { \
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info->field = NULL; \
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} \
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} G_STMT_END
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#define SET_BYTES(name, field, idx) \
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G_STMT_START { \
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GVariant *variant; \
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if (!changed || g_hash_table_contains (changed, name)) \
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info->change_mask |= 1 << idx; \
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if ((variant = g_dbus_proxy_get_cached_property (G_DBUS_PROXY (proxy), name))) { \
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gsize len; \
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gchar *bytes = g_variant_dup_string (variant, &len); \
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info->field = g_bytes_new_take (bytes, len +1); \
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g_variant_unref (variant); \
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} else { \
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info->field = NULL; \
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} \
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} G_STMT_END
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static void
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daemon_fill_info (PinosDaemonInfo *info, GDBusProxy *proxy)
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{
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GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
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info->id = proxy;
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info->daemon_path = g_dbus_proxy_get_object_path (proxy);
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info->change_mask = 0;
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SET_STRING ("UserName", user_name, 0);
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SET_STRING ("HostName", host_name, 1);
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SET_STRING ("Version", version, 2);
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SET_STRING ("Name", name, 3);
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SET_UINT32 ("Cookie", cookie, 4, 0);
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SET_PROPERTIES ("Properties", properties, 5);
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if (changed)
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g_hash_table_remove_all (changed);
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}
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static void
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daemon_clear_info (PinosDaemonInfo *info)
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{
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if (info->properties)
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pinos_properties_free (info->properties);
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}
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/**
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* pinos_context_get_daemon_info:
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* @context: a #PinosContext
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* @flags: extra flags
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* @cb: a callback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Get the information of the daemon @context is connected to.
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*/
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void
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pinos_context_get_daemon_info (PinosContext *context,
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PinosDaemonInfoFlags flags,
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PinosDaemonInfoCallback cb,
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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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PinosDaemonInfo info;
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GTask *task;
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g_return_if_fail (PINOS_IS_CONTEXT (context));
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g_return_if_fail (cb != NULL);
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task = g_task_new (context, cancellable, callback, user_data);
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daemon_fill_info (&info, context->priv->daemon);
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cb (context, &info, user_data);
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daemon_clear_info (&info);
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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static void
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client_fill_info (PinosClientInfo *info, GDBusProxy *proxy)
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{
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GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
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info->id = proxy;
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info->client_path = g_dbus_proxy_get_object_path (proxy);
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SET_STRING ("Sender", sender, 0);
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info->change_mask = 0;
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SET_PROPERTIES ("Properties", properties, 0);
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if (changed)
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g_hash_table_remove_all (changed);
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}
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static void
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client_clear_info (PinosClientInfo *info)
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{
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if (info->properties)
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pinos_properties_free (info->properties);
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}
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/**
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* pinos_context_list_client_info:
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* @context: a connected #PinosContext
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* @flags: extra #PinosClientInfoFlags
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* @cb: a #PinosClientInfoCallback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Call @cb for each client.
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*/
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void
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pinos_context_list_client_info (PinosContext *context,
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PinosClientInfoFlags flags,
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PinosClientInfoCallback cb,
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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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PinosContextPrivate *priv;
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GList *walk;
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GTask *task;
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g_return_if_fail (PINOS_IS_CONTEXT (context));
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g_return_if_fail (cb != NULL);
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task = g_task_new (context, cancellable, callback, user_data);
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priv = context->priv;
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for (walk = priv->clients; walk; walk = g_list_next (walk)) {
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GDBusProxy *proxy = walk->data;
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PinosClientInfo info;
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client_fill_info (&info, proxy);
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cb (context, &info, user_data);
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client_clear_info (&info);
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}
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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/**
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* pinos_context_get_client_info_by_id:
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* @context: a connected #PinosContext
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* @id: a client id
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* @flags: extra #PinosClientInfoFlags
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* @cb: a #PinosClientInfoCallback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Call @cb for the client with @id.
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*/
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void
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pinos_context_get_client_info_by_id (PinosContext *context,
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gpointer id,
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PinosClientInfoFlags flags,
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PinosClientInfoCallback cb,
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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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PinosClientInfo info;
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GDBusProxy *proxy;
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GTask *task;
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g_return_if_fail (PINOS_IS_CONTEXT (context));
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g_return_if_fail (id != NULL);
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g_return_if_fail (cb != NULL);
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task = g_task_new (context, cancellable, callback, user_data);
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proxy = G_DBUS_PROXY (id);
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client_fill_info (&info, proxy);
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cb (context, &info, user_data);
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client_clear_info (&info);
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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/**
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* pinos_node_state_as_string:
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* @state: a #PinosNodeeState
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*
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* Return the string representation of @state.
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*
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* Returns: the string representation of @state.
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*/
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const gchar *
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pinos_node_state_as_string (PinosNodeState state)
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{
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GEnumValue *val;
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val = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (PINOS_TYPE_NODE_STATE)),
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state);
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return val == NULL ? "invalid-state" : val->value_nick;
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}
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static void
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node_fill_info (PinosNodeInfo *info, GDBusProxy *proxy)
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{
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GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
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info->id = proxy;
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info->node_path = g_dbus_proxy_get_object_path (proxy);
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info->change_mask = 0;
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SET_STRING ("Name", name, 0);
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SET_PROPERTIES ("Properties", properties, 1);
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SET_UINT32 ("State", state, 2, PINOS_NODE_STATE_ERROR);
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if (changed)
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g_hash_table_remove_all (changed);
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}
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static void
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node_clear_info (PinosNodeInfo *info)
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{
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if (info->properties)
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pinos_properties_free (info->properties);
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}
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/**
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* pinos_context_list_node_info:
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* @context: a connected #PinosContext
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* @flags: extra #PinosNodeInfoFlags
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* @cb: a #PinosNodeInfoCallback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Call @cb for each node.
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*/
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void
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pinos_context_list_node_info (PinosContext *context,
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PinosNodeInfoFlags flags,
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PinosNodeInfoCallback cb,
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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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PinosContextPrivate *priv;
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GList *walk;
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GTask *task;
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g_return_if_fail (PINOS_IS_CONTEXT (context));
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g_return_if_fail (cb != NULL);
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task = g_task_new (context, cancellable, callback, user_data);
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priv = context->priv;
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for (walk = priv->nodes; walk; walk = g_list_next (walk)) {
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GDBusProxy *proxy = walk->data;
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PinosNodeInfo info;
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node_fill_info (&info, proxy);
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cb (context, &info, user_data);
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node_clear_info (&info);
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}
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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/**
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* pinos_context_get_node_info_by_id:
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* @context: a connected #PinosContext
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* @id: a node id
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* @flags: extra #PinosNodeInfoFlags
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* @cb: a #PinosNodeInfoCallback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Call @cb for the node with @id.
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*/
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void
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pinos_context_get_node_info_by_id (PinosContext *context,
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gpointer id,
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PinosNodeInfoFlags flags,
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PinosNodeInfoCallback cb,
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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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PinosNodeInfo info;
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GDBusProxy *proxy;
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GTask *task;
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g_return_if_fail (PINOS_IS_CONTEXT (context));
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g_return_if_fail (id != NULL);
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g_return_if_fail (cb != NULL);
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task = g_task_new (context, cancellable, callback, user_data);
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proxy = G_DBUS_PROXY (id);
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node_fill_info (&info, proxy);
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cb (context, &info, user_data);
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node_clear_info (&info);
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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/**
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* pinos_direction_as_string:
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* @direction: a #PinosDirection
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*
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* Return the string representation of @direction.
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*
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* Returns: the string representation of @direction.
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*/
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const gchar *
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pinos_direction_as_string (PinosDirection direction)
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{
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GEnumValue *val;
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val = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (PINOS_TYPE_DIRECTION)),
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direction);
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return val == NULL ? "invalid-direction" : val->value_nick;
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}
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static void
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port_fill_info (PinosPortInfo *info, GDBusProxy *proxy)
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{
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GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
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info->id = proxy;
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info->port_path = g_dbus_proxy_get_object_path (proxy);
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SET_UINT32 ("Direction", direction, 0, PINOS_DIRECTION_INVALID);
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SET_STRING ("Node", node_path, 0);
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info->change_mask = 0;
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SET_STRING ("Name", name, 0);
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SET_PROPERTIES ("Properties", properties, 1);
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SET_BYTES ("PossibleFormats", possible_formats, 2);
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SET_BYTES ("Format", format, 3);
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if (changed)
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g_hash_table_remove_all (changed);
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}
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static void
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port_clear_info (PinosPortInfo *info)
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{
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if (info->properties)
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pinos_properties_free (info->properties);
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if (info->possible_formats)
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g_bytes_unref (info->possible_formats);
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if (info->format)
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g_bytes_unref (info->format);
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}
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/**
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* pinos_context_list_port_info:
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* @context: a connected #PinosContext
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* @flags: extra #PinosPortInfoFlags
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* @cb: a #PinosPortInfoCallback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Call @cb for each port.
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*/
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void
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pinos_context_list_port_info (PinosContext *context,
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PinosPortInfoFlags flags,
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PinosPortInfoCallback cb,
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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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PinosContextPrivate *priv;
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GList *walk;
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GTask *task;
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g_return_if_fail (PINOS_IS_CONTEXT (context));
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g_return_if_fail (cb != NULL);
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task = g_task_new (context, cancellable, callback, user_data);
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priv = context->priv;
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for (walk = priv->ports; walk; walk = g_list_next (walk)) {
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GDBusProxy *proxy = walk->data;
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PinosPortInfo info;
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port_fill_info (&info, proxy);
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cb (context, &info, user_data);
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port_clear_info (&info);
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}
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g_task_return_boolean (task, TRUE);
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g_object_unref (task);
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}
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/**
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* pinos_context_get_port_info_by_id:
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* @context: a connected #PinosContext
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* @id: a port id
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* @flags: extra #PinosPortInfoFlags
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* @cb: a #PinosPortInfoCallback
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* @cancelable: a #GCancellable
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* @callback: a #GAsyncReadyCallback to call when the operation is finished
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* @user_data: user data passed to @cb
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*
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* Call @cb for the port with @id.
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*/
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void
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pinos_context_get_port_info_by_id (PinosContext *context,
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gpointer id,
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PinosPortInfoFlags flags,
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PinosPortInfoCallback cb,
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GCancellable *cancellable,
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|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
PinosPortInfo 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);
|
|
|
|
port_fill_info (&info, proxy);
|
|
cb (context, &info, user_data);
|
|
port_clear_info (&info);
|
|
|
|
g_task_return_boolean (task, TRUE);
|
|
g_object_unref (task);
|
|
}
|
|
|
|
/**
|
|
* pinos_port_state_as_string:
|
|
* @state: a #PinosPortState
|
|
*
|
|
* Return the string representation of @state.
|
|
*
|
|
* Returns: the string representation of @state.
|
|
*/
|
|
const gchar *
|
|
pinos_port_state_as_string (PinosPortState state)
|
|
{
|
|
GEnumValue *val;
|
|
|
|
val = g_enum_get_value (G_ENUM_CLASS (g_type_class_ref (PINOS_TYPE_PORT_STATE)),
|
|
state);
|
|
|
|
return val == NULL ? "invalid-state" : val->value_nick;
|
|
}
|
|
|
|
static void
|
|
connection_fill_info (PinosConnectionInfo *info, GDBusProxy *proxy)
|
|
{
|
|
GHashTable *changed = g_object_get_data (G_OBJECT (proxy), "pinos-changed-properties");
|
|
|
|
info->id = proxy;
|
|
info->connection_path = g_dbus_proxy_get_object_path (proxy);
|
|
|
|
info->change_mask = 0;
|
|
SET_STRING ("SourcePort", source_port_path, 0);
|
|
SET_STRING ("DestinationPort", destination_port_path, 1);
|
|
|
|
if (changed)
|
|
g_hash_table_remove_all (changed);
|
|
}
|
|
|
|
static void
|
|
connection_clear_info (PinosConnectionInfo *info)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* pinos_context_list_connection_info:
|
|
* @context: a connected #PinosContext
|
|
* @flags: extra #PinosConnectionInfoFlags
|
|
* @cb: a #PinosConnectionInfoCallback
|
|
* @cancelable: a #GCancellable
|
|
* @callback: a #GAsyncReadyCallback to call when the operation is finished
|
|
* @user_data: user data passed to @cb
|
|
*
|
|
* Call @cb for each connection.
|
|
*/
|
|
void
|
|
pinos_context_list_connection_info (PinosContext *context,
|
|
PinosConnectionInfoFlags flags,
|
|
PinosConnectionInfoCallback 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->connections; walk; walk = g_list_next (walk)) {
|
|
GDBusProxy *proxy = walk->data;
|
|
PinosConnectionInfo info;
|
|
|
|
connection_fill_info (&info, proxy);
|
|
cb (context, &info, user_data);
|
|
connection_clear_info (&info);
|
|
}
|
|
|
|
g_task_return_boolean (task, TRUE);
|
|
g_object_unref (task);
|
|
}
|
|
|
|
/**
|
|
* pinos_context_get_connection_info_by_id:
|
|
* @context: a connected #PinosContext
|
|
* @id: a connection id
|
|
* @flags: extra #PinosConnectionInfoFlags
|
|
* @cb: a #PinosConnectionInfoCallback
|
|
* @cancelable: a #GCancellable
|
|
* @callback: a #GAsyncReadyCallback to call when the operation is finished
|
|
* @user_data: user data passed to @cb
|
|
*
|
|
* Call @cb for the connection with @id.
|
|
*/
|
|
void
|
|
pinos_context_get_connection_info_by_id (PinosContext *context,
|
|
gpointer id,
|
|
PinosConnectionInfoFlags flags,
|
|
PinosConnectionInfoCallback cb,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
PinosConnectionInfo 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);
|
|
|
|
connection_fill_info (&info, proxy);
|
|
cb (context, &info, user_data);
|
|
connection_clear_info (&info);
|
|
|
|
g_task_return_boolean (task, TRUE);
|
|
g_object_unref (task);
|
|
}
|