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ratbagd: cache device path

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Cache device path in device->path and avoid re-calculating it all the
time.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
This commit is contained in:
David Herrmann
2015-09-29 13:09:45 +02:00
parent 1a8037cd6c
commit 7e4d757bdf
1 changed files with 16 additions and 22 deletions
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38
src/ratbagd-device.c
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@@ -39,6 +39,7 @@ struct ratbagd_device {
struct ratbagd *ctx;
RBNode node;
char *name;
char *path;
struct ratbag_device *lib_device;
sd_bus_slot *profile_vtable_slot;
@@ -168,6 +169,12 @@ int ratbagd_device_new(struct ratbagd_device **out,
if (!device->name)
return -ENOMEM;
r = sd_bus_path_encode("/org/freedesktop/ratbag1/device",
device->name,
&device->path);
if (r < 0)
return r;
device->n_profiles = ratbag_device_get_num_profiles(device->lib_device);
device->profiles = calloc(device->n_profiles, sizeof(*device->profiles));
if (!device->profiles)
@@ -206,6 +213,7 @@ struct ratbagd_device *ratbagd_device_free(struct ratbagd_device *device)
device->profiles = mfree(device->profiles);
device->lib_device = ratbag_device_unref(device->lib_device);
device->path = mfree(device->path);
device->name = mfree(device->name);
assert(!device->lib_device); /* ratbag yields !NULL if still pinned */
@@ -220,7 +228,7 @@ bool ratbagd_device_linked(struct ratbagd_device *device)
void ratbagd_device_link(struct ratbagd_device *device)
{
_cleanup_(freep) char *path = NULL, *prefix = NULL;
_cleanup_(freep) char *prefix = NULL;
struct ratbagd_device *iter;
RBNode **node, *parent;
int r, v;
@@ -250,11 +258,7 @@ void ratbagd_device_link(struct ratbagd_device *device)
++device->ctx->n_devices;
/* send out object-manager notification */
r = sd_bus_path_encode("/org/freedesktop/ratbag1/device",
device->name,
&path);
if (r >= 0)
r = sd_bus_emit_object_added(device->ctx->bus, path);
r = sd_bus_emit_object_added(device->ctx->bus, device->path);
if (r < 0) {
errno = -r;
fprintf(stderr,
@@ -263,9 +267,7 @@ void ratbagd_device_link(struct ratbagd_device *device)
}
/* register profile interfaces */
r = sd_bus_path_encode_many(&prefix,
"/org/freedesktop/ratbag1/device/%/profile",
device->name);
r = asprintf(&prefix, "%s/profile", device->path);
if (r >= 0) {
r = sd_bus_add_fallback_vtable(device->ctx->bus,
&device->profile_vtable_slot,
@@ -291,7 +293,6 @@ void ratbagd_device_link(struct ratbagd_device *device)
void ratbagd_device_unlink(struct ratbagd_device *device)
{
_cleanup_(freep) char *path = NULL;
int r;
if (!ratbagd_device_linked(device))
@@ -301,11 +302,7 @@ void ratbagd_device_unlink(struct ratbagd_device *device)
device->profile_vtable_slot = sd_bus_slot_unref(device->profile_vtable_slot);
/* send out object-manager notification */
r = sd_bus_path_encode("/org/freedesktop/ratbag1/device",
device->name,
&path);
if (r >= 0)
r = sd_bus_emit_object_removed(device->ctx->bus, path);
r = sd_bus_emit_object_removed(device->ctx->bus, device->path);
if (r < 0) {
errno = -r;
fprintf(stderr,
@@ -349,7 +346,6 @@ int ratbagd_device_list(struct ratbagd *ctx, char ***paths)
struct ratbagd_device *device;
char **devices, **pos;
RBNode *node;
int r;
devices = calloc(ctx->n_devices + 1, sizeof(char *));
if (!devices)
@@ -361,12 +357,10 @@ int ratbagd_device_list(struct ratbagd *ctx, char ***paths)
node;
node = rbnode_next(node)) {
device = ratbagd_device_from_node(node);
r = sd_bus_path_encode_many(pos++,
"/org/freedesktop/ratbag1/device/%",
device->name);
if (r < 0)
*pos = strdup(device->path);
if (!*pos)
goto error;
++pos;
}
*pos = NULL;
@@ -377,5 +371,5 @@ error:
for (pos = devices; *pos; ++pos)
free(*pos);
free(devices);
return r;
return -ENOMEM;
}