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pulse-server: add condition support in pulse.cmd

Browse source 
So that a config override can disable the execution of the command by
setting the property to false in the pulse.properties config override.

Expose some conf.c method for this purpose.
This commit is contained in:
Wim Taymans 2024-10-22 18:34:59 +02:00
parent 12c8cdf69b
commit 9243ed0cbd
5 changed files with 44 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/modules/module-protocol-pulse.c
View file

@ -256,10 +256,12 @@
* # Extra commands can be executed here.
* # load-module : loads a module with args and flags
* # args = "<module-name> <module-args>"
* # flags = [ "no-fail" ]
* # ( flags = [ "no-fail" ] )
* # ( condition = [ { <key1> = <value1>, ... } ... ] )
* # conditions will check the pulse.properties key/values.
* pulse.cmd = [
* { cmd = "load-module" args = "module-always-sink" flags = [ ] }
* #{ cmd = "load-module" args = "module-switch-on-connect" }
* #{ cmd = "load-module" args = "module-switch-on-connect" condition = [ { pulse.cmd.switch-on-connect = true } ]
* #{ cmd = "load-module" args = "module-gsettings" flags = [ "nofail" ] }
* ]
*\endcode

28
src/modules/module-protocol-pulse/cmd.c
View file

@ -68,7 +68,7 @@ static int parse_cmd(void *user_data, const char *location,
const char *section, const char *str, size_t len)
{
struct impl *impl = user_data;
struct spa_json it[2];
struct spa_json it[3];
char key[512];
int res = 0;
@ -81,24 +81,36 @@ static int parse_cmd(void *user_data, const char *location,
while (spa_json_enter_object(&it[0], &it[1]) > 0) {
char *cmd = NULL, *args = NULL, *flags = NULL;
const char *val;
int len;
bool have_match = true;
int l;
while ((len = spa_json_object_next(&it[1], key, sizeof(key), &val)) > 0) {
while ((l = spa_json_object_next(&it[1], key, sizeof(key), &val)) > 0) {
if (spa_streq(key, "cmd")) {
cmd = (char*)val;
spa_json_parse_stringn(val, len, cmd, len+1);
spa_json_parse_stringn(val, l, cmd, l+1);
} else if (spa_streq(key, "args")) {
args = (char*)val;
spa_json_parse_stringn(val, len, args, len+1);
spa_json_parse_stringn(val, l, args, l+1);
} else if (spa_streq(key, "flags")) {
if (spa_json_is_container(val, len))
len = spa_json_container_len(&it[1], val, len);
if (spa_json_is_container(val, l))
l = spa_json_container_len(&it[1], val, l);
flags = (char*)val;
spa_json_parse_stringn(val, len, flags, len+1);
spa_json_parse_stringn(val, l, flags, l+1);
} else if (spa_streq(key, "condition")) {
if (!spa_json_is_array(val, l)) {
pw_log_warn("expected array for condition in '%.*s'",
(int)l, str);
break;
}
spa_json_enter(&it[1], &it[2]);
have_match = pw_conf_find_match(&it[2], &impl->props->dict, true);
} else {
pw_log_warn("unknown pulse.cmd key %s", key);
}
}
if (!have_match)
continue;
if (cmd != NULL)
res = do_cmd(impl, cmd, args, flags);
if (res < 0)