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core/dbus-unit: add property_get_requires_mounts_for() to send correct message (#7322)

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PR #7186 changes requires_mounts_for from strv to Hashmap.
So, it is necessary to implement a function for getting the property RequiresMountsFor=.
This introduces property_get_requires_mounts_for() which reads the Hashmap
and sends messages to bus.

Fixes #7321.
This commit is contained in:
Yu Watanabe 2017-11-14 17:01:21 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent ab0fc8711b
commit 99c1401807
1 changed files with 32 additions and 1 deletions
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33
src/core/dbus-unit.c
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@ -138,6 +138,37 @@ static int property_get_obsolete_dependencies(
return sd_bus_message_append(reply, "as", 0);
}
static int property_get_requires_mounts_for(
sd_bus *bus,
const char *path,
const char *interface,
const char *property,
sd_bus_message *reply,
void *userdata,
sd_bus_error *error) {
Hashmap *h = (Hashmap*) userdata;
Iterator j;
const char *p;
void *v;
int r;
assert(bus);
assert(reply);
r = sd_bus_message_open_container(reply, 'a', "s");
if (r < 0)
return r;
HASHMAP_FOREACH_KEY(v, p, h, j) {
r = sd_bus_message_append(reply, "s", p);
if (r < 0)
return r;
}
return sd_bus_message_close_container(reply);
}
static int property_get_description(
sd_bus *bus,
const char *path,
@ -720,7 +751,7 @@ const sd_bus_vtable bus_unit_vtable[] = {
SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("JoinsNamespaceOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_JOINS_NAMESPACE_OF]), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RequiresMountsFor", "as", NULL, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("RequiresMountsFor", "as", property_get_requires_mounts_for, offsetof(Unit, requires_mounts_for), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Description", "s", property_get_description, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), SD_BUS_VTABLE_PROPERTY_CONST),