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core: Stub out a system daemon

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This commit is contained in:
Colin Walters 2011-11-20 20:55:24 -05:00
parent ff77a1bd7d
commit c117aadc95
5 changed files with 265 additions and 0 deletions
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28
Makefile-daemon.am Normal file
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@ -0,0 +1,28 @@
# Makefile for C source code
#
# Copyright (C) 2011 Colin Walters <walters@verbum.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
libexec_PROGRAMS += ostreed
ostreed_SOURCES = src/daemon/main.c \
src/daemon/ot-daemon.h \
src/daemon/ot-daemon.c \
$(NULL)
ostreed_CFLAGS = $(AM_CFLAGS) -I$(srcdir)/src/libotutil -I$(srcdir)/src/libostree -I$(srcdir)/src/daemon -DLOCALEDIR=\"$(datadir)/locale\" $(OT_COREBIN_DEP_CFLAGS)
ostreed_LDADD = libotutil.la libostree.la $(OT_COREBIN_DEP_LIBS)

1
Makefile.am
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@ -29,6 +29,7 @@ libexec_PROGRAMS =
noinst_LTLIBRARIES =
noinst_PROGRAMS =
include Makefile-daemon.am
include Makefile-otutil.am
include Makefile-libostree.am
include Makefile-ostree.am

53
src/daemon/main.c Normal file
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "ostree.h"
#include "ot-daemon.h"
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
int
main (int argc,
char **argv)
{
OstreeDaemon *daemon = NULL;
g_type_init ();
g_set_prgname (argv[0]);
if (getuid () != 0)
{
g_printerr ("This program must be run as root\n");
exit (1);
}
daemon = ostree_daemon_new ();
g_main_loop_run (daemon->loop);
return 0;
}

142
src/daemon/ot-daemon.c Normal file
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include <gio/gio.h>
#include <gio/gunixfdlist.h>
#include <string.h>
#include <stdlib.h>
#include "ostree.h"
#include "ot-daemon.h"
static GDBusNodeInfo *introspection_data = NULL;
static const gchar introspection_xml[] =
"<node>"
" <interface name='org.gnome.OSTree'>"
" <method name='CancelOperation'>"
" <arg type='u' name='id' direction='in'/>"
" </method>"
" <method name='AddBootRoot'>"
" <arg type='s' name='revision' direction='in'/>"
" <arg type='u' name='op_id' direction='out'/>"
" </method>"
" <method name='RemoveBootRoot'>"
" <arg type='s' name='revision' direction='in'/>"
" <arg type='u' name='op_id' direction='out'/>"
" </method>"
" <method name='SetBootRoot'>"
" <arg type='s' name='revision' direction='in'/>"
" <arg type='u' name='op_id' direction='out'/>"
" </method>"
" <method name='OverlayTar'>"
" <arg type='s' name='filename' direction='in'/>"
" <arg type='u' name='op_id' direction='out'/>"
" </method>"
" </interface>"
"</node>";
static void
handle_method_call (GDBusConnection *connection,
const gchar *sender,
const gchar *object_path,
const gchar *interface_name,
const gchar *method_name,
GVariant *parameters,
GDBusMethodInvocation *invocation,
gpointer user_data)
{
}
static const GDBusInterfaceVTable interface_vtable =
{
handle_method_call,
NULL,
NULL
};
static void
on_bus_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
guint id;
id = g_dbus_connection_register_object (connection,
"/org/gnome/OSTree",
introspection_data->interfaces[0],
&interface_vtable,
NULL, /* user_data */
NULL, /* user_data_free_func */
NULL); /* GError** */
g_assert (id > 0);
}
static void
on_name_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
OstreeDaemon *daemon = user_data;
GError *error = NULL;
daemon->repo = ostree_repo_new ("/sysroot/ostree/repo");
if (!ostree_repo_check (daemon->repo, &error))
{
g_printerr ("%s\n", error->message);
g_clear_error (&error);
exit (1);
}
}
static void
on_name_lost (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
exit (1);
}
OstreeDaemon *
ostree_daemon_new (void)
{
OstreeDaemon *ret = g_new0 (OstreeDaemon, 1);
ret->loop = g_main_loop_new (NULL, TRUE);
introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
ret->name_id = g_bus_own_name (G_BUS_TYPE_SYSTEM,
"org.gnome.OSTree",
G_BUS_NAME_OWNER_FLAGS_NONE,
on_bus_acquired,
on_name_acquired,
on_name_lost,
NULL,
NULL);
return ret;
}

41
src/daemon/ot-daemon.h Normal file
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#ifndef __OSTREE_DAEMON__
#define __OSTREE_DAEMON__
#include <gio/gio.h>
G_BEGIN_DECLS
typedef struct {
GMainLoop *loop;
OstreeRepo *repo;
int name_id;
} OstreeDaemon;
OstreeDaemon *ostree_daemon_new (void);
G_END_DECLS
#endif