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virsystemd: introduce virSystemdGetMachineByPID

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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Pavel Hrdina 2020-10-30 12:06:56 +01:00
parent a51147d906
commit 385704d5a4
1 changed files with 36 additions and 16 deletions
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52
src/util/virsystemd.c
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@ -194,21 +194,21 @@ virSystemdHasLogind(void)
} }
char * /**
virSystemdGetMachineNameByPID(pid_t pid) * virSystemdGetMachineByPID:
* @conn: dbus connection
* @pid: pid of running VM
*
* Returns dbus object path to VM registered with machined.
* On error returns NULL.
*/
static char *
virSystemdGetMachineByPID(GDBusConnection *conn,
pid_t pid)
{ {
GDBusConnection *conn;
g_autoptr(GVariant) message = NULL; g_autoptr(GVariant) message = NULL;
g_autoptr(GVariant) reply = NULL; g_autoptr(GVariant) reply = NULL;
g_autoptr(GVariant) gvar = NULL; char *object = NULL;
g_autofree char *object = NULL;
char *name = NULL;
if (virSystemdHasMachined() < 0)
return NULL;
if (!(conn = virGDBusGetSystemBus()))
return NULL;
message = g_variant_new("(u)", pid); message = g_variant_new("(u)", pid);
@ -225,13 +225,33 @@ virSystemdGetMachineNameByPID(pid_t pid)
g_variant_get(reply, "(o)", &object); g_variant_get(reply, "(o)", &object);
g_variant_unref(reply);
reply = NULL;
VIR_DEBUG("Domain with pid %lld has object path '%s'", VIR_DEBUG("Domain with pid %lld has object path '%s'",
(long long) pid, object); (long long) pid, object);
g_variant_unref(message); return object;
}
char *
virSystemdGetMachineNameByPID(pid_t pid)
{
GDBusConnection *conn;
g_autoptr(GVariant) message = NULL;
g_autoptr(GVariant) reply = NULL;
g_autoptr(GVariant) gvar = NULL;
g_autofree char *object = NULL;
char *name = NULL;
if (virSystemdHasMachined() < 0)
return NULL;
if (!(conn = virGDBusGetSystemBus()))
return NULL;
object = virSystemdGetMachineByPID(conn, pid);
if (!object)
return NULL;
message = g_variant_new("(ss)", message = g_variant_new("(ss)",
"org.freedesktop.machine1.Machine", "Name"); "org.freedesktop.machine1.Machine", "Name");