dbusiface-device: Implement the Device and DevicePort D-Bus interfaces.

1 files changed, 190 insertions, 0 deletions

diff --git a/src/modules/dbus/iface-device-port.c b/src/modules/dbus/iface-device-port.c
new file mode 100644
index 000000000..d403b6a2f
--- /dev/null
+++ b/src/modules/dbus/iface-device-port.c
@@ -0,0 +1,190 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2009 Tanu Kaskinen
+
+  PulseAudio 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.
+
+  PulseAudio 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
+  General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with PulseAudio; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <dbus/dbus.h>
+
+#include <pulsecore/core-util.h>
+#include <pulsecore/dbus-util.h>
+
+#include "iface-device-port.h"
+
+#define OBJECT_NAME "port"
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_description(DBusConnection *conn, DBusMessage *msg, void *userdata);
+static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata);
+
+struct pa_dbusiface_device_port {
+    uint32_t index;
+    pa_device_port *port;
+    char *path;
+    pa_dbus_protocol *dbus_protocol;
+};
+
+enum property_handler_index {
+    PROPERTY_HANDLER_INDEX,
+    PROPERTY_HANDLER_NAME,
+    PROPERTY_HANDLER_DESCRIPTION,
+    PROPERTY_HANDLER_PRIORITY,
+    PROPERTY_HANDLER_MAX
+};
+
+static pa_dbus_property_handler property_handlers[PROPERTY_HANDLER_MAX] = {
+    [PROPERTY_HANDLER_INDEX]       = { .property_name = "Index",       .type = "u", .get_cb = handle_get_index,       .set_cb = NULL },
+    [PROPERTY_HANDLER_NAME]        = { .property_name = "Name",        .type = "s", .get_cb = handle_get_name,        .set_cb = NULL },
+    [PROPERTY_HANDLER_DESCRIPTION] = { .property_name = "Description", .type = "s", .get_cb = handle_get_description, .set_cb = NULL },
+    [PROPERTY_HANDLER_PRIORITY]    = { .property_name = "Priority",    .type = "u", .get_cb = handle_get_priority,    .set_cb = NULL },
+};
+
+static pa_dbus_interface_info port_interface_info = {
+    .name = PA_DBUSIFACE_DEVICE_PORT_INTERFACE,
+    .method_handlers = NULL,
+    .n_method_handlers = 0,
+    .property_handlers = property_handlers,
+    .n_property_handlers = PROPERTY_HANDLER_MAX,
+    .get_all_properties_cb = handle_get_all,
+    .signals = NULL,
+    .n_signals = 0
+};
+
+static void handle_get_index(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_device_port *p = userdata;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(p);
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &p->index);
+}
+
+static void handle_get_name(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_device_port *p = userdata;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(p);
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &p->port->name);
+}
+
+static void handle_get_description(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_device_port *p = userdata;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(p);
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_STRING, &p->port->description);
+}
+
+static void handle_get_priority(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_device_port *p = userdata;
+    dbus_uint32_t priority = 0;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(p);
+
+    priority = p->port->priority;
+
+    pa_dbus_send_basic_variant_reply(conn, msg, DBUS_TYPE_UINT32, &priority);
+}
+
+static void handle_get_all(DBusConnection *conn, DBusMessage *msg, void *userdata) {
+    pa_dbusiface_device_port *p = userdata;
+    DBusMessage *reply = NULL;
+    DBusMessageIter msg_iter;
+    DBusMessageIter dict_iter;
+    dbus_uint32_t priority = 0;
+
+    pa_assert(conn);
+    pa_assert(msg);
+    pa_assert(p);
+
+    priority = p->port->priority;
+
+    pa_assert_se((reply = dbus_message_new_method_return(msg)));
+
+    dbus_message_iter_init_append(reply, &msg_iter);
+    pa_assert_se(dbus_message_iter_open_container(&msg_iter, DBUS_TYPE_ARRAY, "{sv}", &dict_iter));
+
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_INDEX].property_name, DBUS_TYPE_UINT32, &p->index);
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_NAME].property_name, DBUS_TYPE_STRING, &p->port->name);
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_DESCRIPTION].property_name, DBUS_TYPE_STRING, &p->port->description);
+    pa_dbus_append_basic_variant_dict_entry(&dict_iter, property_handlers[PROPERTY_HANDLER_PRIORITY].property_name, DBUS_TYPE_UINT32, &priority);
+
+    pa_assert_se(dbus_message_iter_close_container(&msg_iter, &dict_iter));
+
+    pa_assert_se(dbus_connection_send(conn, reply, NULL));
+    dbus_message_unref(reply);
+}
+
+pa_dbusiface_device_port *pa_dbusiface_device_port_new(
+        pa_dbusiface_device *device,
+        pa_core *core,
+        pa_device_port *port,
+        uint32_t idx) {
+    pa_dbusiface_device_port *p = NULL;
+
+    pa_assert(device);
+    pa_assert(core);
+    pa_assert(port);
+
+    p = pa_xnew(pa_dbusiface_device_port, 1);
+    p->index = idx;
+    p->port = port;
+    p->path = pa_sprintf_malloc("%s/%s%u", pa_dbusiface_device_get_path(device), OBJECT_NAME, idx);
+    p->dbus_protocol = pa_dbus_protocol_get(core);
+
+    pa_assert_se(pa_dbus_protocol_add_interface(p->dbus_protocol, p->path, &port_interface_info, p) >= 0);
+
+    return p;
+}
+
+void pa_dbusiface_device_port_free(pa_dbusiface_device_port *p) {
+    pa_assert(p);
+
+    pa_assert_se(pa_dbus_protocol_remove_interface(p->dbus_protocol, p->path, port_interface_info.name) >= 0);
+
+    pa_dbus_protocol_unref(p->dbus_protocol);
+
+    pa_xfree(p->path);
+    pa_xfree(p);
+}
+
+const char *pa_dbusiface_device_port_get_path(pa_dbusiface_device_port *p) {
+    pa_assert(p);
+
+    return p->path;
+}
+
+const char *pa_dbusiface_device_port_get_name(pa_dbusiface_device_port *p) {
+    pa_assert(p);
+
+    return p->port->name;
+}