bus-util: drop now-unused functions
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
b8b20f5a6a
commit
2e7e76af99
|
|
@ -1761,168 +1761,6 @@ int bus_open_system_watch_bind_with_description(sd_bus **ret, const char *descri
|
|||
return 0;
|
||||
}
|
||||
|
||||
struct request_name_data {
|
||||
unsigned n_ref;
|
||||
|
||||
const char *name;
|
||||
uint64_t flags;
|
||||
void *userdata;
|
||||
};
|
||||
|
||||
static void request_name_destroy_callback(void *userdata) {
|
||||
struct request_name_data *data = userdata;
|
||||
|
||||
assert(data);
|
||||
assert(data->n_ref > 0);
|
||||
|
||||
log_debug("%s n_ref=%u", __func__, data->n_ref);
|
||||
|
||||
data->n_ref--;
|
||||
if (data->n_ref == 0)
|
||||
free(data);
|
||||
}
|
||||
|
||||
static int reload_dbus_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
|
||||
struct request_name_data *data = userdata;
|
||||
const sd_bus_error *e;
|
||||
int r;
|
||||
|
||||
assert(data);
|
||||
assert(data->name);
|
||||
assert(data->n_ref > 0);
|
||||
|
||||
e = sd_bus_message_get_error(m);
|
||||
if (e) {
|
||||
log_error_errno(sd_bus_error_get_errno(e), "Failed to reload DBus configuration: %s", e->message);
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* Here, use the default request name handler to avoid an infinite loop of reloading and requesting. */
|
||||
r = sd_bus_request_name_async(sd_bus_message_get_bus(m), NULL, data->name, data->flags, NULL, data->userdata);
|
||||
if (r < 0)
|
||||
log_error_errno(r, "Failed to request name: %m");
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int request_name_handler_may_reload_dbus(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
|
||||
struct request_name_data *data = userdata;
|
||||
uint32_t ret;
|
||||
int r;
|
||||
|
||||
assert(m);
|
||||
assert(data);
|
||||
|
||||
if (sd_bus_message_is_method_error(m, NULL)) {
|
||||
const sd_bus_error *e = sd_bus_message_get_error(m);
|
||||
_cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL;
|
||||
|
||||
if (!sd_bus_error_has_name(e, SD_BUS_ERROR_ACCESS_DENIED)) {
|
||||
log_debug_errno(sd_bus_error_get_errno(e),
|
||||
"Unable to request name, failing connection: %s",
|
||||
e->message);
|
||||
|
||||
bus_enter_closing(sd_bus_message_get_bus(m));
|
||||
return 1;
|
||||
}
|
||||
|
||||
log_debug_errno(sd_bus_error_get_errno(e),
|
||||
"Unable to request name, will retry after reloading DBus configuration: %s",
|
||||
e->message);
|
||||
|
||||
/* If a service enables DynamicUser= and dbus.service started before the dynamic user is realized,
|
||||
* then the DBus policy about the service has not been enabled yet. So, let's try to reload DBus
|
||||
* configuration, and after that request the name again. Note that it seems that no privileges are
|
||||
* necessary to call the following method. */
|
||||
|
||||
r = sd_bus_call_method_async(
|
||||
sd_bus_message_get_bus(m),
|
||||
&slot,
|
||||
"org.freedesktop.DBus",
|
||||
"/org/freedesktop/DBus",
|
||||
"org.freedesktop.DBus",
|
||||
"ReloadConfig",
|
||||
reload_dbus_handler,
|
||||
data, NULL);
|
||||
if (r < 0) {
|
||||
log_error_errno(r, "Failed to reload DBus configuration: %m");
|
||||
bus_enter_closing(sd_bus_message_get_bus(m));
|
||||
return 1;
|
||||
}
|
||||
|
||||
data->n_ref ++;
|
||||
assert_se(sd_bus_slot_set_destroy_callback(slot, request_name_destroy_callback) >= 0);
|
||||
|
||||
r = sd_bus_slot_set_floating(slot, true);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
r = sd_bus_message_read(m, "u", &ret);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
switch (ret) {
|
||||
|
||||
case BUS_NAME_ALREADY_OWNER:
|
||||
log_debug("Already owner of requested service name, ignoring.");
|
||||
return 1;
|
||||
|
||||
case BUS_NAME_IN_QUEUE:
|
||||
log_debug("In queue for requested service name.");
|
||||
return 1;
|
||||
|
||||
case BUS_NAME_PRIMARY_OWNER:
|
||||
log_debug("Successfully acquired requested service name.");
|
||||
return 1;
|
||||
|
||||
case BUS_NAME_EXISTS:
|
||||
log_debug("Requested service name already owned, failing connection.");
|
||||
bus_enter_closing(sd_bus_message_get_bus(m));
|
||||
return 1;
|
||||
}
|
||||
|
||||
log_debug("Unexpected response from RequestName(), failing connection.");
|
||||
bus_enter_closing(sd_bus_message_get_bus(m));
|
||||
return 1;
|
||||
}
|
||||
|
||||
int bus_request_name_async_may_reload_dbus(sd_bus *bus, sd_bus_slot **ret_slot, const char *name, uint64_t flags, void *userdata) {
|
||||
_cleanup_free_ struct request_name_data *data = NULL;
|
||||
_cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot = NULL;
|
||||
int r;
|
||||
|
||||
data = new(struct request_name_data, 1);
|
||||
if (!data)
|
||||
return -ENOMEM;
|
||||
|
||||
*data = (struct request_name_data) {
|
||||
.n_ref = 1,
|
||||
.name = name,
|
||||
.flags = flags,
|
||||
.userdata = userdata,
|
||||
};
|
||||
|
||||
r = sd_bus_request_name_async(bus, &slot, name, flags, request_name_handler_may_reload_dbus, data);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
assert_se(sd_bus_slot_set_destroy_callback(slot, request_name_destroy_callback) >= 0);
|
||||
TAKE_PTR(data);
|
||||
|
||||
if (ret_slot)
|
||||
*ret_slot = TAKE_PTR(slot);
|
||||
else {
|
||||
r = sd_bus_slot_set_floating(slot, true);
|
||||
if (r < 0)
|
||||
return r;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int bus_reply_pair_array(sd_bus_message *m, char **l) {
|
||||
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
|
||||
char **k, **v;
|
||||
|
|
|
|||
|
|
@ -177,6 +177,4 @@ static inline int bus_open_system_watch_bind(sd_bus **ret) {
|
|||
return bus_open_system_watch_bind_with_description(ret, NULL);
|
||||
}
|
||||
|
||||
int bus_request_name_async_may_reload_dbus(sd_bus *bus, sd_bus_slot **ret_slot, const char *name, uint64_t flags, void *userdata);
|
||||
|
||||
int bus_reply_pair_array(sd_bus_message *m, char **l);
|
||||
|
|
|
|||
|
|
@ -4,38 +4,6 @@
|
|||
#include "log.h"
|
||||
#include "tests.h"
|
||||
|
||||
static void test_name_async(unsigned n_messages) {
|
||||
_cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
|
||||
int r;
|
||||
unsigned i;
|
||||
|
||||
log_info("/* %s (%u) */", __func__, n_messages);
|
||||
|
||||
r = bus_open_system_watch_bind_with_description(&bus, "test-bus");
|
||||
if (r < 0) {
|
||||
log_error_errno(r, "Failed to connect to bus: %m");
|
||||
return;
|
||||
}
|
||||
|
||||
r = bus_request_name_async_may_reload_dbus(bus, NULL, "org.freedesktop.systemd.test-bus-util", 0, NULL);
|
||||
if (r < 0) {
|
||||
log_error_errno(r, "Failed to request name: %m");
|
||||
return;
|
||||
}
|
||||
|
||||
for (i = 0; i < n_messages; i++) {
|
||||
r = sd_bus_process(bus, NULL);
|
||||
log_debug("stage %u: sd_bus_process returned %d", i, r);
|
||||
if (r < 0) {
|
||||
log_notice_errno(r, "Processing failed: %m");
|
||||
return;
|
||||
}
|
||||
|
||||
if (r > 0 && i + 1 < n_messages)
|
||||
(void) sd_bus_wait(bus, USEC_PER_SEC / 3);
|
||||
}
|
||||
}
|
||||
|
||||
static int callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
|
||||
return 1;
|
||||
}
|
||||
|
|
@ -81,8 +49,6 @@ static void test_destroy_callback(void) {
|
|||
int main(int argc, char **argv) {
|
||||
test_setup_logging(LOG_DEBUG);
|
||||
|
||||
test_name_async(0);
|
||||
test_name_async(20);
|
||||
test_destroy_callback();
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in New Issue