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module_mpris: Fixed multi threading issues regarding 'identity_list'

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This addresses changes requested by @dnkl
This commit is contained in:
haruInDisguise 2025-03-10 12:03:17 +01:00
parent dcbb0f88ae
commit dfa0970b75
1 changed files with 16 additions and 22 deletions
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38
modules/mpris.c
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@ -86,6 +86,7 @@ struct context {
tll(struct client *) clients;
struct client *current_client;
const string_array *identity_list_ref;
bool has_update;
};
@ -96,13 +97,12 @@ struct private
int refresh_abort_fd;
size_t timeout_ms;
string_array identity_list;
struct particle *label;
struct context context;
};
static tll(const char *) identity_list;
#if defined(LOG_ENABLE_DBG) && LOG_ENABLE_DBG
static void __attribute__((unused))
debug_print_argument_type(sd_bus_message *message)
@ -166,12 +166,6 @@ clients_free_by_unique_name(struct context *context, const char *unique_name)
}
}
static void
client_free_all(struct context *context)
{
tll_free_and_free(context->clients, client_free);
}
static void
client_add(struct context *context, const char *name, const char *unique_name)
{
@ -211,9 +205,9 @@ client_change_unique_name(struct client *client, const char *new_name)
}
static bool
verify_bus_name(const char *name)
verify_bus_name(const string_array *identity_list, const char *name)
{
tll_foreach(identity_list, it)
tll_foreach(*identity_list, it)
{
const char *ident = it->item;
@ -438,11 +432,10 @@ destroy(struct module *mod)
struct private *m = mod->private;
struct context *context = &m->context;
client_free_all(context);
tll_free_and_free(context->clients, client_free);
sd_bus_close(context->monitor_connection);
tll_foreach(identity_list, it) { free((char *)it->item); }
tll_free_and_free(m->identity_list, free);
m->label->destroy(m->label);
free(m);
@ -509,7 +502,7 @@ context_event_handle_name_acquired(sd_bus_message *message, struct context *cont
return;
}
if (verify_bus_name(name)) {
if (verify_bus_name(context->identity_list_ref, name)) {
const char *unique_name = sd_bus_message_get_destination(message);
LOG_DBG("'NameAcquired': Acquired new client: %s unique: %s", name, unique_name);
client_add(context, name, unique_name);
@ -652,6 +645,7 @@ context_new(struct private *m, struct context *context)
sd_bus_message_unref(reply);
(*context) = (struct context){
.identity_list_ref = &m->identity_list,
.monitor_connection = connection,
.clients = tll_init(),
};
@ -1055,12 +1049,18 @@ description(const struct module *mod)
}
static struct module *
mpris_new(size_t timeout_ms, struct particle *label)
mpris_new(const struct yml_node *ident_list, size_t timeout_ms, struct particle *label)
{
struct private *priv = calloc(1, sizeof(*priv));
priv->label = label;
priv->timeout_ms = timeout_ms;
size_t i = 0;
for (struct yml_list_iter iter = yml_list_iter(ident_list); iter.node != NULL; yml_list_next(&iter), i++) {
char *string = strdup(yml_value_as_string(iter.node));
tll_push_back(priv->identity_list, string);
}
struct module *mod = module_common_new();
mod->private = priv;
mod->run = &run;
@ -1082,14 +1082,8 @@ from_conf(const struct yml_node *node, struct conf_inherit inherited)
if (query_timeout != NULL)
timeout_ms = yml_value_as_int(query_timeout) * 1000;
// FIXME: This is a redundant copy
size_t i = 0;
for (struct yml_list_iter iter = yml_list_iter(ident_list); iter.node != NULL; yml_list_next(&iter), i++) {
const char *string = strdup(yml_value_as_string(iter.node));
tll_push_back(identity_list, string);
}
return mpris_new(timeout_ms, conf_to_particle(c, inherited));
return mpris_new(ident_list, timeout_ms, conf_to_particle(c, inherited));
}
static bool