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ratbagd: add manager interface

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Instead of relying on the cricket ObjectManager interface, use our own
manager interface. This gets rid of ridiculous recursive behavior of the
ObjectManager interface and instead allows us to control the behavior.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
David Herrmann
2015-09-29 14:09:23 +02:00
parent e926212554
commit eca2203603
2 changed files with 53 additions and 23 deletions
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20
src/ratbagd-device.c
View File

@@ -263,15 +263,6 @@ void ratbagd_device_link(struct ratbagd_device *device)
rbtree_add(&device->ctx->device_map, parent, node, &device->node);
++device->ctx->n_devices;
/* send out object-manager notification */
r = sd_bus_emit_object_added(device->ctx->bus, device->path);
if (r < 0) {
errno = -r;
fprintf(stderr,
"Cannot send device notification for '%s': %m\n",
device->name);
}
/* register profile interfaces */
r = asprintf(&prefix, "%s/profile", device->path);
if (r >= 0) {
@@ -299,23 +290,12 @@ void ratbagd_device_link(struct ratbagd_device *device)
void ratbagd_device_unlink(struct ratbagd_device *device)
{
int r;
if (!ratbagd_device_linked(device))
return;
device->profile_enum_slot = sd_bus_slot_unref(device->profile_enum_slot);
device->profile_vtable_slot = sd_bus_slot_unref(device->profile_vtable_slot);
/* send out object-manager notification */
r = sd_bus_emit_object_removed(device->ctx->bus, device->path);
if (r < 0) {
errno = -r;
fprintf(stderr,
"Cannot send device notification for '%s': %m\n",
device->name);
}
/* unlink from context */
--device->ctx->n_devices;
rbtree_remove(&device->ctx->device_map, &device->node);

56
src/ratbagd.c
View File

@@ -94,6 +94,41 @@ error:
return -ENOMEM;
}
static int ratbagd_get_devices(sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error)
{
struct ratbagd *ctx = userdata;
struct ratbagd_device *device;
int r;
r = sd_bus_message_open_container(reply, 'a', "o");
if (r < 0)
return r;
RATBAGD_DEVICE_FOREACH(device, ctx) {
r = sd_bus_message_append(reply,
"o",
ratbagd_device_get_path(device));
if (r < 0)
return r;
}
return sd_bus_message_close_container(reply);
}
static const sd_bus_vtable ratbagd_vtable[] = {
SD_BUS_VTABLE_START(0),
SD_BUS_PROPERTY("Devices", "ao", ratbagd_get_devices, 0, 0),
SD_BUS_SIGNAL("DeviceNew", "o", 0),
SD_BUS_SIGNAL("DeviceRemoved", "o", 0),
SD_BUS_VTABLE_END,
};
static void ratbagd_process_device(struct ratbagd *ctx,
struct udev_device *udevice)
{
@@ -120,6 +155,12 @@ static void ratbagd_process_device(struct ratbagd *ctx,
if (streq_ptr("remove", udev_device_get_action(udevice))) {
/* device was removed, unlink it and destroy our context */
if (device) {
(void) sd_bus_emit_signal(ctx->bus,
"/org/freedesktop/ratbag1",
"org.freedesktop.ratbag1.Manager",
"DeviceRemoved",
"o",
ratbagd_device_get_path(device));
ratbagd_device_unlink(device);
ratbagd_device_free(device);
}
@@ -143,6 +184,12 @@ static void ratbagd_process_device(struct ratbagd *ctx,
}
ratbagd_device_link(device);
(void) sd_bus_emit_signal(ctx->bus,
"/org/freedesktop/ratbag1",
"org.freedesktop.ratbag1.Manager",
"DeviceNew",
"o",
ratbagd_device_get_path(device));
}
}
@@ -268,9 +315,12 @@ static int ratbagd_new(struct ratbagd **out)
if (r < 0)
return r;
r = sd_bus_add_object_manager(ctx->bus,
NULL,
"/org/freedesktop/ratbag1");
r = sd_bus_add_object_vtable(ctx->bus,
NULL,
"/org/freedesktop/ratbag1",
"org.freedesktop.ratbag1.Manager",
ratbagd_vtable,
ctx);
if (r < 0)
return r;