[gdm/multi-stack: 7/50] emit "ConversationStopped" signal at end of conv



commit 2c1ed73f15a375ecb619784e0f858a1e8de84cf0
Author: Ray Strode <rstrode redhat com>
Date:   Sat Feb 7 11:36:40 2009 -0500

    emit "ConversationStopped" signal at end of conv
    
    This will allow us to track when individual
    PAM conversations fail, instead of doing one
    giant reset.  The reason this is useful is that
    some PAM modules fail immediately for some users
    (for instance the fingerprint PAM module fails if
     a user hasn't enrolled their print).

 daemon/gdm-greeter-server.c  |   14 ++++++++++++++
 daemon/gdm-greeter-server.h  |    2 ++
 daemon/gdm-session-direct.c  |   36 ++++++++++++++++++++++++++++++++++++
 daemon/gdm-session-private.h |    2 ++
 daemon/gdm-session.c         |   28 ++++++++++++++++++++++++++++
 daemon/gdm-session.h         |    6 ++++++
 daemon/gdm-simple-slave.c    |   34 ++++++++++++++++++++++++++--------
 7 files changed, 114 insertions(+), 8 deletions(-)
---
diff --git a/daemon/gdm-greeter-server.c b/daemon/gdm-greeter-server.c
index dae34c5..ecb2ad6 100644
--- a/daemon/gdm-greeter-server.c
+++ b/daemon/gdm-greeter-server.c
@@ -299,6 +299,14 @@ gdm_greeter_server_ready (GdmGreeterServer *greeter_server,
         return TRUE;
 }
 
+gboolean
+gdm_greeter_server_conversation_stopped (GdmGreeterServer *greeter_server,
+                                         const char       *service_name)
+{
+        send_dbus_string_signal (greeter_server, "ConversationStopped", service_name);
+        return TRUE;
+}
+
 void
 gdm_greeter_server_selected_user_changed (GdmGreeterServer *greeter_server,
                                           const char       *username)
@@ -797,6 +805,9 @@ do_introspect (DBusConnection *connection,
                                "    <method name=\"StartConversation\">\n"
                                "      <arg name=\"service_name\" direction=\"in\" type=\"s\"/>\n"
                                "    </method>\n"
+                               "    <method name=\"StopConversation\">\n"
+                               "      <arg name=\"service_name\" direction=\"in\" type=\"s\"/>\n"
+                               "    </method>\n"
                                "    <method name=\"BeginVerification\">\n"
                                "      <arg name=\"service_name\" direction=\"in\" type=\"s\"/>\n"
                                "    </method>\n"
@@ -868,6 +879,9 @@ do_introspect (DBusConnection *connection,
                                "    <signal name=\"Ready\">\n"
                                "      <arg name=\"service-name\" type=\"s\"/>\n"
                                "    </signal>\n"
+                               "    <signal name=\"ConversationStopped\">\n"
+                               "      <arg name=\"service-name\" type=\"s\"/>\n"
+                               "    </signal>\n"
                                "    <signal name=\"Reset\">\n"
                                "    </signal>\n"
                                "    <signal name=\"UserAuthorized\">\n"
diff --git a/daemon/gdm-greeter-server.h b/daemon/gdm-greeter-server.h
index 6d0dd87..976f0b7 100644
--- a/daemon/gdm-greeter-server.h
+++ b/daemon/gdm-greeter-server.h
@@ -96,6 +96,8 @@ gboolean            gdm_greeter_server_problem               (GdmGreeterServer *
 gboolean            gdm_greeter_server_reset                 (GdmGreeterServer *greeter_server);
 gboolean            gdm_greeter_server_ready                 (GdmGreeterServer *greeter_server,
                                                               const char       *service_name);
+gboolean            gdm_greeter_server_conversation_stopped  (GdmGreeterServer *greeter_server,
+                                                              const char       *service_name);
 void                gdm_greeter_server_selected_user_changed (GdmGreeterServer *greeter_server,
                                                               const char       *text);
 void                gdm_greeter_server_default_language_name_changed (GdmGreeterServer *greeter_server,
diff --git a/daemon/gdm-session-direct.c b/daemon/gdm-session-direct.c
index 4789e1d..d41668c 100644
--- a/daemon/gdm-session-direct.c
+++ b/daemon/gdm-session-direct.c
@@ -1736,9 +1736,15 @@ worker_exited (GdmSessionWorkerJob *job,
 {
         g_debug ("GdmSessionDirect: Worker job exited: %d", code);
 
+        g_object_ref (conversation->job);
         if (conversation->session->priv->is_running) {
                 _gdm_session_session_exited (GDM_SESSION (conversation->session), code);
         }
+
+        g_debug ("GdmSessionDirect: Emitting conversation-stopped signal");
+        _gdm_session_conversation_stopped (GDM_SESSION (conversation->session),
+                                           conversation->service_name);
+        g_object_unref (conversation->job);
 }
 
 static void
@@ -1748,9 +1754,15 @@ worker_died (GdmSessionWorkerJob *job,
 {
         g_debug ("GdmSessionDirect: Worker job died: %d", signum);
 
+        g_object_ref (conversation->job);
         if (conversation->session->priv->is_running) {
                 _gdm_session_session_died (GDM_SESSION (conversation->session), signum);
         }
+
+        g_debug ("GdmSessionDirect: Emitting conversation-stopped signal");
+        _gdm_session_conversation_stopped (GDM_SESSION (conversation->session),
+                                           conversation->service_name);
+        g_object_unref (conversation->job);
 }
 
 static GdmSessionConversation *
@@ -1823,6 +1835,10 @@ stop_conversation (GdmSessionConversation *conversation)
 
         g_object_unref (conversation->job);
         conversation->job = NULL;
+
+        g_debug ("GdmSessionDirect: Emitting conversation-stopped signal");
+        _gdm_session_conversation_stopped (GDM_SESSION (session),
+                                           conversation->service_name);
 }
 
 static void
@@ -1843,6 +1859,25 @@ gdm_session_direct_start_conversation (GdmSession *session,
 }
 
 static void
+gdm_session_direct_stop_conversation (GdmSession *session,
+                                      const char *service_name)
+{
+        GdmSessionDirect *impl = GDM_SESSION_DIRECT (session);
+        GdmSessionConversation *conversation;
+
+        g_return_if_fail (session != NULL);
+
+        g_debug ("GdmSessionDirect: stopping conversation");
+
+        conversation = find_conversation_by_name (impl, service_name);
+
+        if (conversation != NULL) {
+                stop_conversation (conversation);
+                g_hash_table_remove (impl->priv->conversations, service_name);
+        }
+}
+
+static void
 send_setup (GdmSessionDirect *session,
             const char       *service_name)
 {
@@ -2717,6 +2752,7 @@ static void
 gdm_session_iface_init (GdmSessionIface *iface)
 {
         iface->start_conversation = gdm_session_direct_start_conversation;
+        iface->stop_conversation = gdm_session_direct_stop_conversation;
         iface->setup = gdm_session_direct_setup;
         iface->setup_for_user = gdm_session_direct_setup_for_user;
         iface->authenticate = gdm_session_direct_authenticate;
diff --git a/daemon/gdm-session-private.h b/daemon/gdm-session-private.h
index de6e54a..860c09c 100644
--- a/daemon/gdm-session-private.h
+++ b/daemon/gdm-session-private.h
@@ -29,6 +29,8 @@ G_BEGIN_DECLS
 /* state changes */
 void             _gdm_session_conversation_started         (GdmSession   *session,
                                                             const char   *service_name);
+void             _gdm_session_conversation_stopped         (GdmSession   *session,
+                                                            const char   *service_name);
 void             _gdm_session_setup_complete               (GdmSession   *session,
                                                             const char   *service_name);
 void             _gdm_session_setup_failed                 (GdmSession   *session,
diff --git a/daemon/gdm-session.c b/daemon/gdm-session.c
index 5f6ff5d..9ee34af 100644
--- a/daemon/gdm-session.c
+++ b/daemon/gdm-session.c
@@ -30,6 +30,7 @@
 
 enum {
         CONVERSATION_STARTED = 0,
+        CONVERSATION_STOPPED,
         SETUP_COMPLETE,
         SETUP_FAILED,
         RESET_COMPLETE,
@@ -88,6 +89,15 @@ gdm_session_start_conversation (GdmSession *session,
 }
 
 void
+gdm_session_stop_conversation (GdmSession *session,
+                              const char *service_name)
+{
+        g_return_if_fail (GDM_IS_SESSION (session));
+
+        GDM_SESSION_GET_IFACE (session)->stop_conversation (session, service_name);
+}
+
+void
 gdm_session_close (GdmSession *session)
 {
         g_return_if_fail (GDM_IS_SESSION (session));
@@ -220,6 +230,16 @@ gdm_session_class_init (gpointer g_iface)
                               g_cclosure_marshal_VOID__STRING,
                               G_TYPE_NONE,
                               1, G_TYPE_STRING);
+        signals [CONVERSATION_STOPPED] =
+                g_signal_new ("conversation-stopped",
+                              iface_type,
+                              G_SIGNAL_RUN_FIRST,
+                              G_STRUCT_OFFSET (GdmSessionIface, conversation_stopped),
+                              NULL,
+                              NULL,
+                              g_cclosure_marshal_VOID__STRING,
+                              G_TYPE_NONE,
+                              1, G_TYPE_STRING);
         signals [SETUP_COMPLETE] =
                 g_signal_new ("setup-complete",
                               iface_type,
@@ -638,6 +658,14 @@ _gdm_session_conversation_started (GdmSession   *session,
 }
 
 void
+_gdm_session_conversation_stopped (GdmSession   *session,
+                                   const char   *service_name)
+{
+        g_return_if_fail (GDM_IS_SESSION (session));
+        g_signal_emit (session, signals [CONVERSATION_STOPPED], 0, service_name);
+}
+
+void
 _gdm_session_closed (GdmSession   *session)
 {
         g_return_if_fail (GDM_IS_SESSION (session));
diff --git a/daemon/gdm-session.h b/daemon/gdm-session.h
index db5fc4a..c45a770 100644
--- a/daemon/gdm-session.h
+++ b/daemon/gdm-session.h
@@ -47,6 +47,8 @@ struct _GdmSessionIface
         /* Methods */
         void (* start_conversation)          (GdmSession   *session,
                                               const char   *service_name);
+        void (* stop_conversation)           (GdmSession   *session,
+                                              const char   *service_name);
         void (* setup)                       (GdmSession   *session,
                                               const char   *service_name);
         void (* setup_for_user)              (GdmSession   *session,
@@ -125,6 +127,8 @@ struct _GdmSessionIface
                                               int           signal_number);
         void (* conversation_started)        (GdmSession   *session,
                                               const char   *service_name);
+        void (* conversation_stopped)        (GdmSession   *session,
+                                              const char   *service_name);
         void (* closed)                      (GdmSession   *session);
         void (* selected_user_changed)       (GdmSession   *session,
                                               const char   *text);
@@ -141,6 +145,8 @@ GType    gdm_session_get_type                    (void) G_GNUC_CONST;
 
 void     gdm_session_start_conversation          (GdmSession *session,
                                                   const char *service_name);
+void     gdm_session_stop_conversation           (GdmSession *session,
+                                                  const char *service_name);
 void     gdm_session_setup                       (GdmSession *session,
                                                   const char *service_name);
 void     gdm_session_setup_for_user              (GdmSession *session,
diff --git a/daemon/gdm-simple-slave.c b/daemon/gdm-simple-slave.c
index 7c2f384..79a05b8 100644
--- a/daemon/gdm-simple-slave.c
+++ b/daemon/gdm-simple-slave.c
@@ -230,8 +230,7 @@ on_session_setup_failed (GdmSession     *session,
                                             message != NULL ? message:  _("Unable to initialize login system"));
         }
 
-        destroy_session (slave);
-        queue_greeter_reset (slave);
+        gdm_session_stop_conversation (session, service_name);
 }
 
 static void
@@ -268,8 +267,8 @@ on_session_authentication_failed (GdmSession     *session,
                                             service_name,
                                             message != NULL ? message : _("Unable to authenticate user"));
         }
-        destroy_session (slave);
-        queue_greeter_reset (slave);
+
+        gdm_session_stop_conversation (session, service_name);
 }
 
 static void
@@ -327,8 +326,7 @@ on_session_authorization_failed (GdmSession     *session,
                                             message != NULL ? message :  _("Unable to authorize user"));
         }
 
-        destroy_session (slave);
-        queue_greeter_reset (slave);
+        gdm_session_stop_conversation (session, service_name);
 }
 
 static gboolean
@@ -471,9 +469,8 @@ on_session_accreditation_failed (GdmSession     *session,
            when Xorg exits it switches to the VT it was
            started from.  That interferes with fast
            user switching. */
-        destroy_session (slave);
 
-        queue_greeter_reset (slave);
+        gdm_session_stop_conversation (session, service_name);
 }
 
 static void
@@ -559,6 +556,23 @@ on_session_conversation_started (GdmSession     *session,
 }
 
 static void
+on_session_conversation_stopped (GdmSession     *session,
+                                 const char     *service_name,
+                                 GdmSimpleSlave *slave)
+{
+        gboolean res;
+        g_debug ("GdmSimpleSlave: conversation stopped");
+
+        if (slave->priv->greeter_server != NULL) {
+                res = gdm_greeter_server_conversation_stopped (slave->priv->greeter_server,
+                                                               service_name);
+                if (! res) {
+                        g_warning ("Unable to send conversation stopped");
+                }
+        }
+}
+
+static void
 on_session_selected_user_changed (GdmSession     *session,
                                   const char     *text,
                                   GdmSimpleSlave *slave)
@@ -647,6 +661,10 @@ create_new_session (GdmSimpleSlave *slave)
                           G_CALLBACK (on_session_conversation_started),
                           slave);
         g_signal_connect (slave->priv->session,
+                          "conversation-stopped",
+                          G_CALLBACK (on_session_conversation_stopped),
+                          slave);
+        g_signal_connect (slave->priv->session,
                           "setup-complete",
                           G_CALLBACK (on_session_setup_complete),
                           slave);



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