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media-session: try to load config from state dir first

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First try to load conf from the user config directory and then from
the global config dir. Allows users to copy and modify a custom
config file.
This commit is contained in:
Wim Taymans 2020-12-31 11:46:54 +01:00
parent 20e9ec25be
commit 85306917a2
3 changed files with 11 additions and 5 deletions
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1
src/daemon/media-session.d/alsa-monitor.conf
View file

@ -1,3 +1,4 @@
# alsa-monitor config file
{
properties = {
}

1
src/daemon/media-session.d/media-session.conf
View file

@ -1,3 +1,4 @@
# media-session config file
{
properties = {
}

14
src/examples/media-session/media-session.c
View file

@ -1785,6 +1785,9 @@ int sm_media_session_load_conf(struct sm_media_session *sess, const char *name,
struct stat sbuf;
char *data;
if ((count = sm_media_session_load_state(sess, name, NULL, conf)) >= 0)
return count;
if ((dir = getenv("PIPEWIRE_CONFIG_DIR")) == NULL)
dir = PIPEWIRE_CONFIG_DIR;
if (dir == NULL)
@ -1872,18 +1875,19 @@ static int state_dir(struct sm_media_session *sess)
int sm_media_session_load_state(struct sm_media_session *sess,
const char *name, const char *prefix, struct pw_properties *props)
{
struct impl *impl = SPA_CONTAINER_OF(sess, struct impl, this);
int count, sfd, fd;
struct stat sbuf;
void *data;
pw_log_info(NAME" %p: loading state '%s'", sess, name);
if ((sfd = state_dir(sess)) < 0)
return sfd;
if ((fd = openat(sfd, name, O_CLOEXEC | O_RDONLY)) < 0) {
pw_log_debug("can't open file %s: %m", name);
if ((fd = openat(sfd, name, O_CLOEXEC | O_RDONLY)) < 0) {
pw_log_debug("can't open file %s%s: %m", impl->state_dir, name);
return -errno;
}
pw_log_info(NAME" %p: loading state '%s%s'", sess, impl->state_dir, name);
if (fstat(fd, &sbuf) < 0)
goto error_close;
if ((data = mmap(NULL, sbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0)) == MAP_FAILED)
@ -2272,6 +2276,8 @@ int main(int argc, char *argv[])
pw_init(&argc, &argv);
impl.state_dir_fd = -1;
if ((impl.conf = pw_properties_new(NULL, NULL)) == NULL)
return -1;
sm_media_session_load_conf(&impl.this, SESSION_CONF, impl.conf);
@ -2306,8 +2312,6 @@ int main(int argc, char *argv[])
}
}
impl.state_dir_fd = -1;
spa_dict_for_each(item, &impl.this.props->dict)
pw_log_info(" '%s' = '%s'", item->key, item->value);