migration: add status query functions

Add migration_is_active and migration_has_failed functions
to query migration state.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/migration.c b/migration.c
index bdca72e008..d6935678b9 100644
--- a/migration.c
+++ b/migration.c
@@ -372,11 +372,22 @@ void remove_migration_state_change_notifier(Notifier *notify)
     notifier_list_remove(&migration_state_notifiers, notify);
 }
 
+bool migration_is_active(MigrationState *s)
+{
+    return s->state == MIG_STATE_ACTIVE;
+}
+
 bool migration_has_finished(MigrationState *s)
 {
     return s->state == MIG_STATE_COMPLETED;
 }
 
+bool migration_has_failed(MigrationState *s)
+{
+    return (s->state == MIG_STATE_CANCELLED ||
+            s->state == MIG_STATE_ERROR);
+}
+
 void migrate_fd_connect(MigrationState *s)
 {
     int ret;