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pw-metadata: add -l option to list available metadata

This commit is contained in:
Wim Taymans 2023-04-14 15:06:55 +02:00
parent 6394eb1b18
commit ccd118368e
2 changed files with 28 additions and 7 deletions
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3
man/pw-metadata.1.rst.in
View File

@ -44,6 +44,9 @@ OPTIONS
--version
Show version information.
-l | --list
List available metadata objects
-m | --monitor
Keeps running and log the changes to the metadata.

32
src/tools/pw-metadata.c
View File

@ -21,6 +21,7 @@ struct data {
const char *opt_remote;
const char *opt_name;
bool opt_list;
bool opt_monitor;
bool opt_delete;
uint32_t opt_id;
@ -48,6 +49,9 @@ static int metadata_property(void *data, uint32_t id,
{
struct data *d = data;
if (d->opt_list)
return 0;
if ((d->opt_id == SPA_ID_INVALID || d->opt_id == id) &&
(d->opt_key == NULL || spa_streq(d->opt_key, key))) {
if (key == NULL) {
@ -72,22 +76,30 @@ static void registry_event_global(void *data, uint32_t id, uint32_t permissions,
const struct spa_dict *props)
{
struct data *d = data;
const char *str;
const char *name;
if (!spa_streq(type, PW_TYPE_INTERFACE_Metadata))
return;
if (props != NULL &&
(str = spa_dict_lookup(props, PW_KEY_METADATA_NAME)) != NULL &&
!spa_streq(str, d->opt_name))
if (props == NULL)
return;
if (d->metadata != NULL) {
name = spa_dict_lookup(props, PW_KEY_METADATA_NAME);
if (name == NULL)
return;
if (d->opt_name && !spa_streq(name, d->opt_name))
return;
if (!d->opt_list && d->metadata != NULL) {
pw_log_warn("Multiple metadata: ignoring metadata %d", id);
return;
}
printf("Found \"%s\" metadata %d\n", d->opt_name, id);
printf("Found \"%s\" metadata %d\n", name, id);
if (d->opt_list)
return;
d->metadata = pw_registry_bind(d->registry,
id, type, PW_VERSION_METADATA, 0);
@ -157,6 +169,7 @@ static void show_help(struct data *data, const char *name, bool error)
" -h, --help Show this help\n"
" --version Show version\n"
" -r, --remote Remote daemon name\n"
" -l, --list List available metadata\n"
" -m, --monitor Monitor metadata\n"
" -d, --delete Delete metadata\n"
" -n, --name Metadata name (default: \"%s\")\n",
@ -171,6 +184,7 @@ int main(int argc, char *argv[])
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ "remote", required_argument, NULL, 'r' },
{ "list", no_argument, NULL, 'l' },
{ "monitor", no_argument, NULL, 'm' },
{ "delete", no_argument, NULL, 'd' },
{ "name", required_argument, NULL, 'n' },
@ -184,7 +198,7 @@ int main(int argc, char *argv[])
data.opt_name = "default";
while ((c = getopt_long(argc, argv, "hVr:mdn:", long_options, NULL)) != -1) {
while ((c = getopt_long(argc, argv, "hVr:lmdn:", long_options, NULL)) != -1) {
switch (c) {
case 'h':
show_help(&data, argv[0], false);
@ -200,6 +214,10 @@ int main(int argc, char *argv[])
case 'r':
data.opt_remote = optarg;
break;
case 'l':
data.opt_name = NULL;
data.opt_list = true;
break;
case 'm':
data.opt_monitor = true;
break;