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From 21bf283256cb111996f606aec11e6521cc89ce3f Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Tue, 10 May 2011 14:19:57 -0400
Subject: [PATCH 1/4] daemon: stall ListCachedUsers until ck-history finishes

This way we don't normally return an empty list in early
calls for systems that have network login enabled.
---
 src/daemon.c |   33 +++++++++++++++++++++++++++++++--
 1 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/src/daemon.c b/src/daemon.c
index a463c46..2a18924 100644
--- a/src/daemon.c
+++ b/src/daemon.c
@@ -88,6 +88,7 @@ enum {
 enum {
         USER_ADDED,
         USER_REMOVED,
+        CK_HISTORY_LOADED,
         LAST_SIGNAL
 };
 
@@ -204,6 +205,16 @@ daemon_class_init (DaemonClass *klass)
                                               1,
                                               DBUS_TYPE_G_OBJECT_PATH);
 
+        signals[CK_HISTORY_LOADED] = g_signal_new ("ck-history-loaded",
+                                              G_OBJECT_CLASS_TYPE (klass),
+                                              G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
+                                              0,
+                                              NULL,
+                                              NULL,
+                                              g_cclosure_marshal_VOID__VOID,
+                                              G_TYPE_NONE,
+                                              0);
+
         dbus_g_object_type_install_info (TYPE_DAEMON,
                                          &dbus_glib_daemon_object_info);
 
@@ -393,6 +404,7 @@ ck_history_watch (GIOChannel   *source,
 
         if (done) {
                 daemon->priv->ck_history_id = 0;
+                g_signal_emit (daemon, signals[CK_HISTORY_LOADED], 0);
                 return FALSE;
         }
 
@@ -1045,6 +1057,18 @@ finish_list_cached_users (gpointer user_data)
         return FALSE;
 }
 
+static void
+on_ck_history_loaded (Daemon       *daemon,
+                      ListUserData *data)
+{
+        /* ck-history loaded, so finish pending ListCachedUsers call */
+        g_idle_add (finish_list_cached_users, data);
+
+        g_signal_handlers_disconnect_by_func (daemon,
+                                              on_ck_history_loaded,
+                                              data);
+}
+
 gboolean
 daemon_list_cached_users (Daemon                *daemon,
                           DBusGMethodInvocation *context)
@@ -1053,8 +1077,13 @@ daemon_list_cached_users (Daemon                *daemon,
 
         data = list_user_data_new (daemon, context);
 
-        if (daemon->priv->reload_id > 0) {
-                /* reload in progress, wait */
+        if (daemon->priv->ck_history_id > 0) {
+                /* loading ck-history, wait for it */
+                g_signal_connect (daemon, "ck-history-loaded",
+                                  G_CALLBACK (on_ck_history_loaded),
+                                  data);
+        } else if (daemon->priv->reload_id > 0) {
+                /* reload in progress, wait a bit */
                 g_idle_add (finish_list_cached_users, data);
         }
         else {
-- 
1.7.5


From 47a5d95908a1005e2d44728a0d7e2459965190ef Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Tue, 10 May 2011 14:21:16 -0400
Subject: [PATCH 2/4] lib: ignore user-removed signals for untracked users

If we don't know about a user, we don't care if it goes away,
and we shouldn't try to remove it from the book keeping.
---
 src/libaccountsservice/act-user-manager.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/libaccountsservice/act-user-manager.c b/src/libaccountsservice/act-user-manager.c
index 379c972..cbf7fc8 100644
--- a/src/libaccountsservice/act-user-manager.c
+++ b/src/libaccountsservice/act-user-manager.c
@@ -878,10 +878,15 @@ on_user_removed_in_accounts_service (DBusGProxy *proxy,
         ActUserManager *manager = ACT_USER_MANAGER (user_data);
         ActUser        *user;
 
-        g_debug ("ActUserManager: user removed from accounts service with object path %s", object_path);
-
         user = g_hash_table_lookup (manager->priv->users_by_object_path, object_path);
 
+        if (user == NULL) {
+                g_debug ("ActUserManager: ignoring untracked user %s", object_path);
+                return;
+        } else {
+                g_debug ("ActUserManager: tracked user %s removed from accounts service", object_path);
+        }
+
         manager->priv->new_users = g_slist_remove (manager->priv->new_users, user);
 
         remove_user (manager, user);
-- 
1.7.5


From 53948a60b012b0bf5aa4d72eb973aee9964d2ca4 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Tue, 10 May 2011 14:36:02 -0400
Subject: [PATCH 3/4] lib: set is-loaded in failure path

We want to make sure that we always set is-loaded when
things fail, so that we don't block indefinitely.
---
 src/libaccountsservice/act-user-manager.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/libaccountsservice/act-user-manager.c b/src/libaccountsservice/act-user-manager.c
index cbf7fc8..3764ab9 100644
--- a/src/libaccountsservice/act-user-manager.c
+++ b/src/libaccountsservice/act-user-manager.c
@@ -572,10 +572,9 @@ on_get_seat_id_finished (DBusGProxy     *proxy,
                         g_debug ("Failed to identify the seat of the "
                                  "current session");
                 }
-                unload_seat (manager);
 
-                g_debug ("ActUserManager: GetSeatId call failed, so trying to set loaded property");
-                maybe_set_is_loaded (manager);
+                g_debug ("ActUserManager: GetSeatId call failed, so unloading seat");
+                unload_seat (manager);
                 return;
         }
 
@@ -924,8 +923,6 @@ on_get_current_session_finished (DBusGProxy     *proxy,
                         g_debug ("Failed to identify the current session");
                 }
                 unload_seat (manager);
-                g_debug ("ActUserManager: no current session, so trying to set loaded property");
-                maybe_set_is_loaded (manager);
                 return;
         }
 
@@ -1549,6 +1546,9 @@ unload_seat (ActUserManager *manager)
 
         g_free (manager->priv->seat.session_id);
         manager->priv->seat.session_id = NULL;
+
+        g_debug ("ActUserManager: seat unloaded, so trying to set loaded property");
+        maybe_set_is_loaded (manager);
 }
 
 static void
-- 
1.7.5


From 1932d53d3717bb8aa97307b903fba10371baa9b6 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Tue, 10 May 2011 14:36:40 -0400
Subject: [PATCH 4/4] lib: if ListCachedUsers returns zero users continue

We currently block for ListCachedUsers to finish.

If after it finishes, we find out it returns 0 zero users
we end up hanging indefinitely.

This commit fixes that.
---
 src/libaccountsservice/act-user-manager.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/libaccountsservice/act-user-manager.c b/src/libaccountsservice/act-user-manager.c
index 3764ab9..6b4c77e 100644
--- a/src/libaccountsservice/act-user-manager.c
+++ b/src/libaccountsservice/act-user-manager.c
@@ -1216,8 +1216,13 @@ on_list_cached_users_finished (DBusGProxy     *proxy,
          *
          * (see on_new_user_loaded)
          */
-        g_debug ("ActUserManager: ListCachedUsers finished, will set loaded property after list is fully loaded");
-        g_ptr_array_foreach (paths, (GFunc)add_new_inhibiting_user_for_object_path, manager);
+        if (paths->len > 0) {
+                g_debug ("ActUserManager: ListCachedUsers finished, will set loaded property after list is fully loaded");
+                g_ptr_array_foreach (paths, (GFunc)add_new_inhibiting_user_for_object_path, manager);
+        } else {
+                g_debug ("ActUserManager: ListCachedUsers finished with empty list, maybe setting loaded property now");
+                maybe_set_is_loaded (manager);
+        }
 
         g_ptr_array_foreach (paths, (GFunc)g_free, NULL);
         g_ptr_array_free (paths, TRUE);
-- 
1.7.5