X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=dbus-job.c;h=f14f92f9aa07bda2cdd244f5b9a40716d5cec508;hp=896dff7865cfe1a1fbb0ca671f86acbabbc3f25d;hb=40d50879d9339e539a30e5d32234baffb732f0f9;hpb=911081dde7ec28b28bfed7e08ab901158c18712d

diff --git a/dbus-job.c b/dbus-job.c
index 896dff786..f14f92f9a 100644
--- a/dbus-job.c
+++ b/dbus-job.c
@@ -1,15 +1,36 @@
 /*-*- Mode: C; c-basic-offset: 8 -*-*/
 
+/***
+  This file is part of systemd.
+
+  Copyright 2010 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
 #include <errno.h>
 
 #include "dbus.h"
 #include "log.h"
+#include "dbus-job.h"
 
 static const char introspection[] =
         DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
         "<node>"
         " <interface name=\"org.freedesktop.systemd1.Job\">"
         "  <method name=\"Cancel\"/>"
+        "  <signal name=\"Changed\"/>"
         "  <property name=\"Id\" type=\"u\" access=\"read\"/>"
         "  <property name=\"Unit\" type=\"(so)\" access=\"read\"/>"
         "  <property name=\"JobType\" type=\"s\" access=\"read\"/>"
@@ -19,45 +40,13 @@ static const char introspection[] =
         BUS_INTROSPECTABLE_INTERFACE
         "</node>";
 
-static int bus_job_append_state(Manager *m, DBusMessageIter *i, const char *property, void *data) {
-        Job *j = data;
-        const char *state;
-
-        assert(m);
-        assert(i);
-        assert(property);
-        assert(j);
-
-        state = job_state_to_string(j->state);
-
-        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state))
-                return -ENOMEM;
-
-        return 0;
-}
-
-static int bus_job_append_type(Manager *m, DBusMessageIter *i, const char *property, void *data) {
-        Job *j = data;
-        const char *type;
-
-        assert(m);
-        assert(i);
-        assert(property);
-        assert(j);
-
-        type = job_type_to_string(j->type);
-
-        if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &type))
-                return -ENOMEM;
-
-        return 0;
-}
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_job_append_state, job_state, JobState);
+static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_job_append_type, job_type, JobType);
 
 static int bus_job_append_unit(Manager *m, DBusMessageIter *i, const char *property, void *data) {
         Job *j = data;
         DBusMessageIter sub;
         char *p;
-        const char *id;
 
         assert(m);
         assert(i);
@@ -70,9 +59,7 @@ static int bus_job_append_unit(Manager *m, DBusMessageIter *i, const char *prope
         if (!(p = unit_dbus_path(j->unit)))
                 return -ENOMEM;
 
-        id = unit_id(j->unit);
-
-        if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &id) ||
+        if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &j->unit->meta.id) ||
             !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &p)) {
                 free(p);
                 return -ENOMEM;
@@ -88,10 +75,10 @@ static int bus_job_append_unit(Manager *m, DBusMessageIter *i, const char *prope
 
 static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusMessage *message) {
         const BusProperty properties[] = {
-                { "org.freedesktop.systemd1.Job", "Id",      bus_property_append_uint32, "u",    &j->id },
-                { "org.freedesktop.systemd1.Job", "State",   bus_job_append_state,       "s",    j      },
-                { "org.freedesktop.systemd1.Job", "JobType", bus_job_append_type,        "s",    j      },
-                { "org.freedesktop.systemd1.Job", "Unit",    bus_job_append_unit,        "(so)", j      },
+                { "org.freedesktop.systemd1.Job", "Id",      bus_property_append_uint32, "u",    &j->id    },
+                { "org.freedesktop.systemd1.Job", "State",   bus_job_append_state,       "s",    &j->state },
+                { "org.freedesktop.systemd1.Job", "JobType", bus_job_append_type,        "s",    &j->type  },
+                { "org.freedesktop.systemd1.Job", "Unit",    bus_job_append_unit,        "(so)", j         },
                 { NULL, NULL, NULL, NULL, NULL }
         };
 
@@ -108,7 +95,7 @@ static DBusHandlerResult bus_job_message_dispatch(Job *j, DBusMessage *message)
                 return bus_default_message_handler(j->manager, message, introspection, properties);
 
         if (reply) {
-                if (!dbus_connection_send(m->bus, reply, NULL))
+                if (!dbus_connection_send(m->api_bus, reply, NULL))
                         goto oom;
 
                 dbus_message_unref(reply);
@@ -123,7 +110,7 @@ oom:
         return DBUS_HANDLER_RESULT_NEED_MEMORY;
 }
 
-DBusHandlerResult bus_job_message_handler(DBusConnection  *connection, DBusMessage  *message, void *data) {
+static DBusHandlerResult bus_job_message_handler(DBusConnection  *connection, DBusMessage  *message, void *data) {
         Manager *m = data;
         Job *j;
         int r;
@@ -154,3 +141,94 @@ DBusHandlerResult bus_job_message_handler(DBusConnection  *connection, DBusMessa
 const DBusObjectPathVTable bus_job_vtable = {
         .message_function = bus_job_message_handler
 };
+
+void bus_job_send_change_signal(Job *j) {
+        char *p = NULL;
+        DBusMessage *m = NULL;
+
+        assert(j);
+        assert(j->in_dbus_queue);
+
+        LIST_REMOVE(Job, dbus_queue, j->manager->dbus_job_queue, j);
+        j->in_dbus_queue = false;
+
+        if (set_isempty(j->manager->subscribed))
+                return;
+
+        if (!(p = job_dbus_path(j)))
+                goto oom;
+
+        if (j->sent_dbus_new_signal) {
+                /* Send a change signal */
+
+                if (!(m = dbus_message_new_signal(p, "org.freedesktop.systemd1.Job", "Changed")))
+                        goto oom;
+        } else {
+                /* Send a new signal */
+
+                if (!(m = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "JobNew")))
+                        goto oom;
+
+                if (!dbus_message_append_args(m,
+                                              DBUS_TYPE_UINT32, &j->id,
+                                              DBUS_TYPE_OBJECT_PATH, &p,
+                                              DBUS_TYPE_INVALID))
+                        goto oom;
+        }
+
+        if (!dbus_connection_send(j->manager->api_bus, m, NULL))
+                goto oom;
+
+        free(p);
+        dbus_message_unref(m);
+
+        j->sent_dbus_new_signal = true;
+
+        return;
+
+oom:
+        free(p);
+
+        if (m)
+                dbus_message_unref(m);
+
+        log_error("Failed to allocate job change signal.");
+}
+
+void bus_job_send_removed_signal(Job *j) {
+        char *p = NULL;
+        DBusMessage *m = NULL;
+
+        assert(j);
+
+        if (set_isempty(j->manager->subscribed) || !j->sent_dbus_new_signal)
+                return;
+
+        if (!(p = job_dbus_path(j)))
+                goto oom;
+
+        if (!(m = dbus_message_new_signal("/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "JobRemoved")))
+                goto oom;
+
+        if (!dbus_message_append_args(m,
+                                      DBUS_TYPE_UINT32, &j->id,
+                                      DBUS_TYPE_OBJECT_PATH, &p,
+                                      DBUS_TYPE_INVALID))
+                goto oom;
+
+        if (!dbus_connection_send(j->manager->api_bus, m, NULL))
+                goto oom;
+
+        free(p);
+        dbus_message_unref(m);
+
+        return;
+
+oom:
+        free(p);
+
+        if (m)
+                dbus_message_unref(m);
+
+        log_error("Failed to allocate job remove signal.");
+}