X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=dbus-job.c;h=544868fc7619981c09fcd54f37ac2aac6ee70893;hp=0ac11bc1fbef0036ae2bfc7248862f8df00e1cd3;hb=47be870bd83fb3719dffc3ee9348a409ab762a14;hpb=ea4309869e75497ba6a97c540646cb66a157a4d9 diff --git a/dbus-job.c b/dbus-job.c index 0ac11bc1f..544868fc7 100644 --- a/dbus-job.c +++ b/dbus-job.c @@ -1,5 +1,26 @@ /*-*- 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 . +***/ + +#include + #include "dbus.h" #include "log.h" @@ -7,13 +28,124 @@ static const char introspection[] = DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE "" " " + " " + " " + " " + " " + " " " " BUS_PROPERTIES_INTERFACE BUS_INTROSPECTABLE_INTERFACE ""; -DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBusMessage *message, void *data) { +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 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); + assert(property); + assert(j); + + if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) + return -ENOMEM; + + 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) || + !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &p)) { + free(p); + return -ENOMEM; + } + + free(p); + + if (!dbus_message_iter_close_container(i, &sub)) + return -ENOMEM; + + return 0; +} + +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 }, + { NULL, NULL, NULL, NULL, NULL } + }; + + DBusMessage *reply = NULL; + Manager *m = j->manager; + + if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Job", "Cancel")) { + if (!(reply = dbus_message_new_method_return(message))) + goto oom; + + job_free(j); + + } else + return bus_default_message_handler(j->manager, message, introspection, properties); + + if (reply) { + if (!dbus_connection_send(m->bus, reply, NULL)) + goto oom; + + dbus_message_unref(reply); + } + + return DBUS_HANDLER_RESULT_HANDLED; + +oom: + if (reply) + dbus_message_unref(reply); + + return DBUS_HANDLER_RESULT_NEED_MEMORY; +} + +static DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBusMessage *message, void *data) { Manager *m = data; + Job *j; + int r; assert(connection); assert(message); @@ -24,7 +156,18 @@ DBusHandlerResult bus_job_message_handler(DBusConnection *connection, DBusMessa dbus_message_get_member(message), dbus_message_get_path(message)); - return bus_default_message_handler(m, message, introspection, NULL); + if ((r = manager_get_job_from_dbus_path(m, dbus_message_get_path(message), &j)) < 0) { + + if (r == -ENOMEM) + return DBUS_HANDLER_RESULT_NEED_MEMORY; + + if (r == -ENOENT) + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + + return bus_send_error_reply(m, message, NULL, r); + } + + return bus_job_message_dispatch(j, message); } const DBusObjectPathVTable bus_job_vtable = {