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64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/* Spa midi dbus */
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/* SPDX-FileCopyrightText: Copyright © 2022 Pauli Virtanen */
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/* SPDX-License-Identifier: MIT */
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#ifndef DBUS_MONITOR_H_
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#define DBUS_MONITOR_H_
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#include <gio/gio.h>
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#include <spa/utils/defs.h>
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#include <spa/utils/string.h>
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#include <spa/support/log.h>
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#define DBUS_MONITOR_MAX_TYPES 16
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struct dbus_monitor;
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struct dbus_monitor_proxy_type
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{
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/** Interface name to monitor, or NULL for object type */
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const char *interface_name;
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/** GObject type for the proxy */
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GType proxy_type;
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/** Hook called when object added or properties changed */
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void (*on_update)(struct dbus_monitor *monitor, GDBusInterface *iface);
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/** Hook called when object is removed (or on monitor shutdown) */
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void (*on_remove)(struct dbus_monitor *monitor, GDBusInterface *iface);
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};
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struct dbus_monitor
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{
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GDBusObjectManagerClient *manager;
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struct spa_log *log;
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GCancellable *call;
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struct dbus_monitor_proxy_type proxy_types[DBUS_MONITOR_MAX_TYPES+1];
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void (*on_name_owner_change)(struct dbus_monitor *monitor);
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void *user_data;
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};
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static inline GDBusObjectManager *dbus_monitor_manager(struct dbus_monitor *monitor)
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{
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return G_DBUS_OBJECT_MANAGER(monitor->manager);
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}
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/**
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* Create a DBus object monitor, with a given interface to proxy type map.
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*
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* \param proxy_types Mapping between interface names and watched proxy
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* types, terminated by G_TYPE_INVALID.
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* \param on_object_update Called for all objects and interfaces on
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* startup, and when object properties are modified.
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*/
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void dbus_monitor_init(struct dbus_monitor *monitor,
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GType client_type, struct spa_log *log, GDBusConnection *conn,
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const char *name, const char *object_path,
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const struct dbus_monitor_proxy_type *proxy_types,
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void (*on_name_owner_change)(struct dbus_monitor *monitor));
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void dbus_monitor_clear(struct dbus_monitor *monitor);
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#endif // DBUS_MONITOR_H_
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