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Merge branch 'wip/hadess/add-memory-monitor' into 'master'

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gio: Add GMemoryMonitor to monitor for low-memory

See merge request GNOME/glib!1005
This commit is contained in:
Philip Withnall 2019-12-11 12:31:53 +00:00
commit cedeccec85
22 changed files with 1020 additions and 29 deletions
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32
.gitlab-ci.yml
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@ -94,7 +94,13 @@ installed-tests:
extends: .only-default
image: registry.gitlab.gnome.org/gnome/glib/fedora:v5
stage: build
before_script:
# FIXME move to docker image
- sudo dnf install -y gnome-desktop-testing python3-dbusmock xdg-desktop-portal
script:
# FIXME Install xdg-desktop-portal build deps before compiling glib,
# so it doesn't overwrite our own glib build
- sudo dnf install -y autoconf automake gettext-devel libtool diffutils fontconfig-devel json-glib-devel geoclue2-devel pipewire-devel fuse-devel make
# dtrace is disabled because it breaks the static-link.py test
- meson ${MESON_COMMON_OPTIONS}
--werror
@ -106,6 +112,32 @@ installed-tests:
_build
- ninja -C _build
- sudo ninja -C _build install
# FIXME install libportal to build new xdg-desktop-portal
- git clone https://github.com/flatpak/libportal.git
- cd libportal/
- meson ${MESON_COMMON_OPTIONS} _build --prefix=/usr --libdir=/usr/lib64
- ninja -C _build
- sudo ninja -C _build install
- cd ..
# FIXME Install newer xdg-desktop-portal with
# GMemoryMonitor support, see:
# https://github.com/flatpak/xdg-desktop-portal/pull/365
- git clone --single-branch --branch wip/hadess/memory-monitor https://github.com/flatpak/xdg-desktop-portal.git
- cd xdg-desktop-portal
- ./autogen.sh --prefix=/usr --libdir=/usr/lib64 --disable-dependency-tracking && make && sudo make install
- cd ..
# FIXME install newer gobject-introspection
# with GMemoryMonitor support, see:
# https://gitlab.gnome.org/GNOME/gobject-introspection/merge_requests/193
- sudo dnf install -y meson flex bison python3-devel
- git clone --single-branch --branch wip/hadess/add-memory-monitor https://gitlab.gnome.org/GNOME/gobject-introspection.git
- cd gobject-introspection
- /usr/bin/meson _build --prefix=/usr --libdir=/usr/lib64
- ninja -C _build
- sudo ninja -C _build install
- cd ..
# FIXME: Add update until stable https://bodhi.fedoraproject.org/updates/FEDORA-2019-e830287661
- sudo dnf upgrade -y --enablerepo=updates-testing --advisory=FEDORA-2019-e830287661
# FIXME: Add update until stable https://bodhi.fedoraproject.org/updates/FEDORA-2019-161b129d4d
- sudo dnf upgrade -y --enablerepo=updates-testing --advisory=FEDORA-2019-161b129d4d
# Work-around https://gitlab.gnome.org/GNOME/gnome-desktop-testing/merge_requests/2

1
docs/reference/gio/gio-docs.xml
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@ -232,6 +232,7 @@
<xi:include href="xml/gremoteactiongroup.xml"/>
<xi:include href="xml/gactiongroupexporter.xml"/>
<xi:include href="xml/gdbusactiongroup.xml"/>
<xi:include href="xml/gmemorymonitor.xml"/>
<xi:include href="xml/gmenumodel.xml"/>
<xi:include href="xml/gmenu.xml"/>
<xi:include href="xml/gmenuexporter.xml"/>

17
docs/reference/gio/gio-sections-common.txt
View File

@ -4170,6 +4170,23 @@ G_DBUS_OBJECT_MANAGER_SERVER_GET_CLASS
GDBusObjectManagerServerPrivate
</SECTION>
<SECTION>
<FILE>gmemorymonitor</FILE>
<TITLE>GMemoryMonitor</TITLE>
GMemoryMonitor
GMemoryMonitorFlags
GMemoryMonitorInterface
GMemoryMonitorWarningLevel
G_MEMORY_MONITOR_EXTENSION_POINT_NAME
g_memory_monitor_dup_default
<SUBSECTION Standard>
g_memory_monitor_get_type
G_TYPE_MEMORY_MONITOR
G_MEMORY_MONITOR
G_IS_MEMORY_MONITOR
G_MEMORY_MONITOR_GET_INTERFACE
</SECTION>
<SECTION>
<FILE>gnetworkmonitor</FILE>
<TITLE>GNetworkMonitor</TITLE>

2
docs/reference/gio/meson.build
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@ -50,6 +50,8 @@ if get_option('gtk_doc')
'glocalfilemonitor.h',
'glocalfileoutputstream.h',
'glocalvfs.h',
'gmemorymonitordbus.h',
'gmemorymonitorportal.h',
'gmountprivate.h',
'gnativevolumemonitor.h',
'gnetworkingprivate.h',

49
gio/gio.h
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@ -47,15 +47,25 @@
#include <gio/gdatagrambased.h>
#include <gio/gdatainputstream.h>
#include <gio/gdataoutputstream.h>
#include <gio/gdbusactiongroup.h>
#include <gio/gdbusaddress.h>
#include <gio/gdbusauthobserver.h>
#include <gio/gdbusconnection.h>
#include <gio/gdbuserror.h>
#include <gio/gdbusinterface.h>
#include <gio/gdbusinterfaceskeleton.h>
#include <gio/gdbusintrospection.h>
#include <gio/gdbusmenumodel.h>
#include <gio/gdbusmessage.h>
#include <gio/gdbusmethodinvocation.h>
#include <gio/gdbusnameowning.h>
#include <gio/gdbusnamewatching.h>
#include <gio/gdbusobject.h>
#include <gio/gdbusobjectmanager.h>
#include <gio/gdbusobjectmanagerclient.h>
#include <gio/gdbusobjectmanagerserver.h>
#include <gio/gdbusobjectproxy.h>
#include <gio/gdbusobjectskeleton.h>
#include <gio/gdbusproxy.h>
#include <gio/gdbusserver.h>
#include <gio/gdbusutils.h>
@ -64,9 +74,9 @@
#include <gio/gdtlsconnection.h>
#include <gio/gdtlsserverconnection.h>
#include <gio/gemblemedicon.h>
#include <gio/gfile.h>
#include <gio/gfileattribute.h>
#include <gio/gfileenumerator.h>
#include <gio/gfile.h>
#include <gio/gfileicon.h>
#include <gio/gfileinfo.h>
#include <gio/gfileinputstream.h>
@ -88,9 +98,15 @@
#include <gio/giomodule.h>
#include <gio/gioscheduler.h>
#include <gio/giostream.h>
#include <gio/glistmodel.h>
#include <gio/gliststore.h>
#include <gio/gloadableicon.h>
#include <gio/gmemoryinputstream.h>
#include <gio/gmemorymonitor.h>
#include <gio/gmemoryoutputstream.h>
#include <gio/gmenu.h>
#include <gio/gmenuexporter.h>
#include <gio/gmenumodel.h>
#include <gio/gmount.h>
#include <gio/gmountoperation.h>
#include <gio/gnativesocketaddress.h>
@ -98,6 +114,7 @@
#include <gio/gnetworkaddress.h>
#include <gio/gnetworkmonitor.h>
#include <gio/gnetworkservice.h>
#include <gio/gnotification.h>
#include <gio/goutputstream.h>
#include <gio/gpermission.h>
#include <gio/gpollableinputstream.h>
@ -108,30 +125,31 @@
#include <gio/gproxyaddress.h>
#include <gio/gproxyaddressenumerator.h>
#include <gio/gproxyresolver.h>
#include <gio/gremoteactiongroup.h>
#include <gio/gresolver.h>
#include <gio/gresource.h>
#include <gio/gseekable.h>
#include <gio/gsettingsschema.h>
#include <gio/gsettings.h>
#include <gio/gsettingsschema.h>
#include <gio/gsimpleaction.h>
#include <gio/gsimpleactiongroup.h>
#include <gio/gsimpleasyncresult.h>
#include <gio/gsimpleiostream.h>
#include <gio/gsimplepermission.h>
#include <gio/gsocketaddressenumerator.h>
#include <gio/gsimpleproxyresolver.h>
#include <gio/gsocket.h>
#include <gio/gsocketaddress.h>
#include <gio/gsocketaddressenumerator.h>
#include <gio/gsocketclient.h>
#include <gio/gsocketconnectable.h>
#include <gio/gsocketconnection.h>
#include <gio/gsocketcontrolmessage.h>
#include <gio/gsocket.h>
#include <gio/gsocketlistener.h>
#include <gio/gsocketservice.h>
#include <gio/gsrvtarget.h>
#include <gio/gsimpleproxyresolver.h>
#include <gio/gtask.h>
#include <gio/gsubprocess.h>
#include <gio/gsubprocesslauncher.h>
#include <gio/gtask.h>
#include <gio/gtcpconnection.h>
#include <gio/gtcpwrapperconnection.h>
#include <gio/gtestdbus.h>
@ -144,30 +162,13 @@
#include <gio/gtlsdatabase.h>
#include <gio/gtlsfiledatabase.h>
#include <gio/gtlsinteraction.h>
#include <gio/gtlsserverconnection.h>
#include <gio/gtlspassword.h>
#include <gio/gtlsserverconnection.h>
#include <gio/gvfs.h>
#include <gio/gvolume.h>
#include <gio/gvolumemonitor.h>
#include <gio/gzlibcompressor.h>
#include <gio/gzlibdecompressor.h>
#include <gio/gdbusinterface.h>
#include <gio/gdbusinterfaceskeleton.h>
#include <gio/gdbusobject.h>
#include <gio/gdbusobjectskeleton.h>
#include <gio/gdbusobjectproxy.h>
#include <gio/gdbusobjectmanager.h>
#include <gio/gdbusobjectmanagerclient.h>
#include <gio/gdbusobjectmanagerserver.h>
#include <gio/gdbusactiongroup.h>
#include <gio/gremoteactiongroup.h>
#include <gio/gmenumodel.h>
#include <gio/gmenu.h>
#include <gio/gmenuexporter.h>
#include <gio/gdbusmenumodel.h>
#include <gio/gnotification.h>
#include <gio/glistmodel.h>
#include <gio/gliststore.h>
#include <gio/gio-autocleanups.h>

32
gio/gioenums.h
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@ -1964,6 +1964,38 @@ typedef enum {
G_POLLABLE_RETURN_WOULD_BLOCK = -G_IO_ERROR_WOULD_BLOCK
} GPollableReturn;
/**
* GMemoryMonitorWarningLevel:
* @G_MEMORY_MONITOR_WARNING_LEVEL_LOW: Memory on the device is low, processes
* should free up unneeded resources (for example, in-memory caches) so they can
* be used elsewhere.
* @G_MEMORY_MONITOR_WARNING_LEVEL_MEDIUM: Same as @G_MEMORY_MONITOR_WARNING_LEVEL_LOW
* but the device has even less free memory, so processes should try harder to free
* up unneeded resources. If your process does not need to stay running, it is a
* good time for it to quit.
* @G_MEMORY_MONITOR_WARNING_LEVEL_CRITICAL: The system will soon start terminating
* processes to reclaim memory, including background processes.
*
* Memory availability warning levels.
*
* Note that because new values might be added, it is recommended that applications check
* #GMemoryMonitorWarningLevel as ranges, for example:
* <example>
* <title>Comparing memory warning levels</title>
* <programlisting>
* if (warning_level > G_MEMORY_MONITOR_WARNING_LEVEL_LOW)
* drop_caches ();
* </programlisting>
* </example>
*
* Since: 2.64
*/
typedef enum {
G_MEMORY_MONITOR_WARNING_LEVEL_LOW = 50,
G_MEMORY_MONITOR_WARNING_LEVEL_MEDIUM = 100,
G_MEMORY_MONITOR_WARNING_LEVEL_CRITICAL = 255
} GMemoryMonitorWarningLevel;
G_END_DECLS
#endif /* __GIO_ENUMS_H__ */

11
gio/giomodule.c
View File

@ -42,6 +42,9 @@
#include "gnotificationbackend.h"
#include "ginitable.h"
#include "gnetworkmonitor.h"
#include "gmemorymonitor.h"
#include "gmemorymonitorportal.h"
#include "gmemorymonitordbus.h"
#ifdef G_OS_WIN32
#include "gregistrysettingsbackend.h"
#endif
@ -1025,6 +1028,9 @@ extern GType _g_network_monitor_netlink_get_type (void);
extern GType _g_network_monitor_nm_get_type (void);
#endif
extern GType g_memory_monitor_dbus_get_type (void);
extern GType g_memory_monitor_portal_get_type (void);
#ifdef G_OS_UNIX
extern GType g_fdo_notification_backend_get_type (void);
extern GType g_gtk_notification_backend_get_type (void);
@ -1127,6 +1133,9 @@ _g_io_modules_ensure_extension_points_registered (void)
ep = g_io_extension_point_register (G_NOTIFICATION_BACKEND_EXTENSION_POINT_NAME);
g_io_extension_point_set_required_type (ep, G_TYPE_NOTIFICATION_BACKEND);
ep = g_io_extension_point_register (G_MEMORY_MONITOR_EXTENSION_POINT_NAME);
g_io_extension_point_set_required_type (ep, G_TYPE_MEMORY_MONITOR);
}
G_UNLOCK (registered_extensions);
@ -1235,6 +1244,8 @@ _g_io_modules_ensure_loaded (void)
g_type_ensure (g_fdo_notification_backend_get_type ());
g_type_ensure (g_gtk_notification_backend_get_type ());
g_type_ensure (g_portal_notification_backend_get_type ());
g_type_ensure (g_memory_monitor_dbus_get_type ());
g_type_ensure (g_memory_monitor_portal_get_type ());
g_type_ensure (g_network_monitor_portal_get_type ());
g_type_ensure (g_proxy_resolver_portal_get_type ());
#endif

1
gio/giotypes.h
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@ -122,6 +122,7 @@ typedef struct _GLoadableIcon GLoadableIcon; /* Dummy typedef */
typedef struct _GBytesIcon GBytesIcon;
typedef struct _GMemoryInputStream GMemoryInputStream;
typedef struct _GMemoryOutputStream GMemoryOutputStream;
typedef struct _GMemoryMonitor GMemoryMonitor;
/**
* GMount:

127
gio/gmemorymonitor.c Normal file
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@ -0,0 +1,127 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "glib.h"
#include "glibintl.h"
#include "gmemorymonitor.h"
#include "ginetaddress.h"
#include "ginetsocketaddress.h"
#include "ginitable.h"
#include "gioenumtypes.h"
#include "giomodule-priv.h"
#include "gtask.h"
/**
* SECTION:gmemorymonitor
* @title: GMemoryMonitor
* @short_description: Memory usage monitor
* @include: gio/gio.h
*
* #GMemoryMonitor will monitor system memory and suggest to the application
* when to free memory so as to leave more room for other applications.
* It is implemented on Linux using the [Low Memory Monitor](https://gitlab.freedesktop.org/hadess/low-memory-monitor/)
* ([API documentation](https://hadess.pages.freedesktop.org/low-memory-monitor/)).
*
* There is also an implementation for use inside Flatpak sandboxes.
*
* Possible actions to take when the signal is received are:
* - Free caches
* - Save files that haven't been looked at in a while to disk, ready to be reopened when needed
* - Run a garbage collection cycle
* - Try and compress fragmented allocations
* - Exit on idle if the process has no reason to stay around
*
* See #GMemoryMonitorWarningLevel for details on the various warning levels.
*
* Since: 2.64
*/
/**
* GMemoryMonitor:
*
* #GMemoryMonitor monitors system memory and indicates when
* the system is low on memory.
*
* Since: 2.64
*/
/**
* GMemoryMonitorInterface:
* @g_iface: The parent interface.
* @low_memory_warning: the virtual function pointer for the
* #GMemoryMonitor::low-memory-warning signal.
*
* The virtual function table for #GMemoryMonitor.
*
* Since: 2.64
*/
G_DEFINE_INTERFACE_WITH_CODE (GMemoryMonitor, g_memory_monitor, G_TYPE_OBJECT,
g_type_interface_add_prerequisite (g_define_type_id, G_TYPE_INITABLE))
enum {
LOW_MEMORY_WARNING,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/**
* g_memory_monitor_dup_default:
*
* Gets a reference to the default #GMemoryMonitor for the system.
*
* Returns: (transfer full): a new reference to the default #GMemoryMonitor
*
* Since: 2.64
*/
GMemoryMonitor *
g_memory_monitor_dup_default (void)
{
return g_object_ref (_g_io_module_get_default (G_MEMORY_MONITOR_EXTENSION_POINT_NAME,
"GIO_USE_MEMORY_MONITOR",
NULL));
}
static void
g_memory_monitor_default_init (GMemoryMonitorInterface *iface)
{
/**
* GMemoryMonitor::low-memory-warning:
* @monitor: a #GMemoryMonitor
* @level: the #GMemoryMonitorWarningLevel warning level
*
* Emitted when the system is running low on free memory. The signal
* handler should then take the appropriate action depending on the
* warning level. See the #GMemoryMonitorWarningLevel documentation for
* details.
*
* Since: 2.64
*/
signals[LOW_MEMORY_WARNING] =
g_signal_new (I_("low-memory-warning"),
G_TYPE_MEMORY_MONITOR,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GMemoryMonitorInterface, low_memory_warning),
NULL, NULL,
NULL,
G_TYPE_NONE, 1,
G_TYPE_MEMORY_MONITOR_WARNING_LEVEL);
}

62
gio/gmemorymonitor.h Normal file
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@ -0,0 +1,62 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_MEMORY_MONITOR_H__
#define __G_MEMORY_MONITOR_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/giotypes.h>
G_BEGIN_DECLS
/**
* G_MEMORY_MONITOR_EXTENSION_POINT_NAME:
*
* Extension point for memory usage monitoring functionality.
* See [Extending GIO][extending-gio].
*
* Since: 2.64
*/
#define G_MEMORY_MONITOR_EXTENSION_POINT_NAME "gio-memory-monitor"
#define G_TYPE_MEMORY_MONITOR (g_memory_monitor_get_type ())
GLIB_AVAILABLE_IN_2_64
G_DECLARE_INTERFACE(GMemoryMonitor, g_memory_monitor, g, memory_monitor, GObject)
#define G_MEMORY_MONITOR(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_MEMORY_MONITOR, GMemoryMonitor))
#define G_IS_MEMORY_MONITOR(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_MEMORY_MONITOR))
#define G_MEMORY_MONITOR_GET_INTERFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_MEMORY_MONITOR, GMemoryMonitorInterface))
struct _GMemoryMonitorInterface {
/*< private >*/
GTypeInterface g_iface;
/*< public >*/
void (*low_memory_warning) (GMemoryMonitor *monitor,
GMemoryMonitorWarningLevel level);
};
GLIB_AVAILABLE_IN_2_64
GMemoryMonitor *g_memory_monitor_dup_default (void);
G_END_DECLS
#endif /* __G_MEMORY_MONITOR_H__ */

171
gio/gmemorymonitordbus.c Normal file
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@ -0,0 +1,171 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gmemorymonitor.h"
#include "gmemorymonitordbus.h"
#include "gioerror.h"
#include "ginitable.h"
#include "giomodule-priv.h"
#include "glibintl.h"
#include "glib/gstdio.h"
#include "gdbusproxy.h"
#include "gdbusnamewatching.h"
#define G_MEMORY_MONITOR_DBUS_GET_INITABLE_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_INITABLE, GInitable))
static void g_memory_monitor_dbus_iface_init (GMemoryMonitorInterface *iface);
static void g_memory_monitor_dbus_initable_iface_init (GInitableIface *iface);
struct _GMemoryMonitorDBus
{
GObject parent_instance;
guint watch_id;
GDBusProxy *proxy;
gulong signal_id;
};
G_DEFINE_TYPE_WITH_CODE (GMemoryMonitorDBus, g_memory_monitor_dbus, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
g_memory_monitor_dbus_initable_iface_init)
G_IMPLEMENT_INTERFACE (G_TYPE_MEMORY_MONITOR,
g_memory_monitor_dbus_iface_init)
_g_io_modules_ensure_extension_points_registered ();
g_io_extension_point_implement (G_MEMORY_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"dbus",
30))
static void
g_memory_monitor_dbus_init (GMemoryMonitorDBus *dbus)
{
}
static void
proxy_signal_cb (GDBusProxy *proxy,
const gchar *sender_name,
const gchar *signal_name,
GVariant *parameters,
GMemoryMonitorDBus *dbus)
{
guint8 level;
if (g_strcmp0 (signal_name, "LowMemoryWarning") != 0)
return;
if (parameters == NULL)
return;
g_variant_get (parameters, "(y)", &level);
g_signal_emit_by_name (dbus, "low-memory-warning", level);
}
static void
lmm_appeared_cb (GDBusConnection *connection,
const gchar *name,
const gchar *name_owner,
gpointer user_data)
{
GMemoryMonitorDBus *dbus = user_data;
GDBusProxy *proxy;
GError *error = NULL;
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
NULL,
"org.freedesktop.LowMemoryMonitor",
"/org/freedesktop/LowMemoryMonitor",
"org.freedesktop.LowMemoryMonitor",
NULL,
&error);
if (!proxy)
{
g_debug ("Failed to create LowMemoryMonitor D-Bus proxy: %s",
error->message);
g_error_free (error);
return;
}
dbus->signal_id = g_signal_connect (G_OBJECT (proxy), "g-signal",
G_CALLBACK (proxy_signal_cb), dbus);
dbus->proxy = proxy;
}
static void
lmm_vanished_cb (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
GMemoryMonitorDBus *dbus = user_data;
if (dbus->proxy != NULL)
g_clear_signal_handler (&dbus->signal_id, dbus->proxy);
g_clear_object (&dbus->proxy);
}
static gboolean
g_memory_monitor_dbus_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
GMemoryMonitorDBus *dbus = G_MEMORY_MONITOR_DBUS (initable);
dbus->watch_id = g_bus_watch_name (G_BUS_TYPE_SYSTEM,
"org.freedesktop.LowMemoryMonitor",
G_BUS_NAME_WATCHER_FLAGS_AUTO_START,
lmm_appeared_cb,
lmm_vanished_cb,
dbus,
NULL);
return TRUE;
}
static void
g_memory_monitor_dbus_finalize (GObject *object)
{
GMemoryMonitorDBus *dbus = G_MEMORY_MONITOR_DBUS (object);
if (dbus->proxy != NULL)
g_clear_signal_handler (&dbus->signal_id, dbus->proxy);
g_clear_object (&dbus->proxy);
g_clear_handle_id (&dbus->watch_id, g_bus_unwatch_name);
G_OBJECT_CLASS (g_memory_monitor_dbus_parent_class)->finalize (object);
}
static void
g_memory_monitor_dbus_class_init (GMemoryMonitorDBusClass *nl_class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (nl_class);
gobject_class->finalize = g_memory_monitor_dbus_finalize;
}
static void
g_memory_monitor_dbus_iface_init (GMemoryMonitorInterface *monitor_iface)
{
}
static void
g_memory_monitor_dbus_initable_iface_init (GInitableIface *iface)
{
iface->init = g_memory_monitor_dbus_initable_init;
}

31
gio/gmemorymonitordbus.h Normal file
View File

@ -0,0 +1,31 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_MEMORY_MONITOR_DBUS_H__
#define __G_MEMORY_MONITOR_DBUS_H__
#include <glib-object.h>
G_BEGIN_DECLS
#define G_TYPE_MEMORY_MONITOR_DBUS (g_memory_monitor_dbus_get_type ())
G_DECLARE_FINAL_TYPE (GMemoryMonitorDBus, g_memory_monitor_dbus, G, MEMORY_MONITOR_DBUS, GObject)
G_END_DECLS
#endif /* __G_MEMORY_MONITOR_DBUS_H__ */

152
gio/gmemorymonitorportal.c Normal file
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@ -0,0 +1,152 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gmemorymonitor.h"
#include "gmemorymonitorportal.h"
#include "ginitable.h"
#include "giomodule-priv.h"
#include "xdp-dbus.h"
#include "gportalsupport.h"
#define G_MEMORY_MONITOR_PORTAL_GET_INITABLE_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_INITABLE, GInitable))
static void g_memory_monitor_portal_iface_init (GMemoryMonitorInterface *iface);
static void g_memory_monitor_portal_initable_iface_init (GInitableIface *iface);
struct _GMemoryMonitorPortal
{
GObject parent_instance;
GDBusProxy *proxy;
gulong signal_id;
};
G_DEFINE_TYPE_WITH_CODE (GMemoryMonitorPortal, g_memory_monitor_portal, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
g_memory_monitor_portal_initable_iface_init)
G_IMPLEMENT_INTERFACE (G_TYPE_MEMORY_MONITOR,
g_memory_monitor_portal_iface_init)
_g_io_modules_ensure_extension_points_registered ();
g_io_extension_point_implement (G_MEMORY_MONITOR_EXTENSION_POINT_NAME,
g_define_type_id,
"portal",
40))
static void
g_memory_monitor_portal_init (GMemoryMonitorPortal *portal)
{
}
static void
proxy_signal (GDBusProxy *proxy,
const char *sender,
const char *signal,
GVariant *parameters,
GMemoryMonitorPortal *portal)
{
guint8 level;
if (strcmp (signal, "LowMemoryWarning") != 0)
return;
if (!parameters)
return;
g_variant_get (parameters, "(y)", &level);
g_signal_emit_by_name (portal, "low-memory-warning", level);
}
static gboolean
g_memory_monitor_portal_initable_init (GInitable *initable,
GCancellable *cancellable,
GError **error)
{
GMemoryMonitorPortal *portal = G_MEMORY_MONITOR_PORTAL (initable);
GDBusProxy *proxy;
gchar *name_owner = NULL;
if (!glib_should_use_portal ())
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Not using portals");
return FALSE;
}
proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
NULL,
"org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop",
"org.freedesktop.portal.MemoryMonitor",
cancellable,
error);
if (!proxy)
return FALSE;
name_owner = g_dbus_proxy_get_name_owner (proxy);
if (name_owner == NULL)
{
g_object_unref (proxy);
g_set_error (error,
G_DBUS_ERROR,
G_DBUS_ERROR_NAME_HAS_NO_OWNER,
"Desktop portal not found");
return FALSE;
}
g_free (name_owner);
portal->signal_id = g_signal_connect (proxy, "g-signal",
G_CALLBACK (proxy_signal), portal);
portal->proxy = proxy;
return TRUE;
}
static void
g_memory_monitor_portal_finalize (GObject *object)
{
GMemoryMonitorPortal *portal = G_MEMORY_MONITOR_PORTAL (object);
if (portal->proxy != NULL)
g_clear_signal_handler (&portal->signal_id, portal->proxy);
g_clear_object (&portal->proxy);
G_OBJECT_CLASS (g_memory_monitor_portal_parent_class)->finalize (object);
}
static void
g_memory_monitor_portal_class_init (GMemoryMonitorPortalClass *nl_class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (nl_class);
gobject_class->finalize = g_memory_monitor_portal_finalize;
}
static void
g_memory_monitor_portal_iface_init (GMemoryMonitorInterface *monitor_iface)
{
}
static void
g_memory_monitor_portal_initable_iface_init (GInitableIface *iface)
{
iface->init = g_memory_monitor_portal_initable_init;
}

31
gio/gmemorymonitorportal.h Normal file
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@ -0,0 +1,31 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_MEMORY_MONITOR_PORTAL_H__
#define __G_MEMORY_MONITOR_PORTAL_H__
#include <glib-object.h>
G_BEGIN_DECLS
#define G_TYPE_MEMORY_MONITOR_PORTAL (g_memory_monitor_portal_get_type ())
G_DECLARE_FINAL_TYPE (GMemoryMonitorPortal, g_memory_monitor_portal, G, MEMORY_MONITOR_PORTAL, GObject)
G_END_DECLS
#endif /* __G_MEMORY_MONITOR_PORTAL_H__ */

4
gio/meson.build
View File

@ -393,6 +393,7 @@ if host_system != 'windows'
portal_sources = [files(
'gdocumentportal.c',
'gopenuriportal.c',
'gmemorymonitorportal.c',
'gnetworkmonitorportal.c',
'gproxyresolverportal.c',
'gtrashportal.c',
@ -528,6 +529,8 @@ gio_sources = files(
'gloadableicon.c',
'gmarshal-internal.c',
'gmount.c',
'gmemorymonitor.c',
'gmemorymonitordbus.c',
'gmemoryinputstream.c',
'gmemoryoutputstream.c',
'gmountoperation.c',
@ -670,6 +673,7 @@ gio_headers = files(
'gloadableicon.h',
'gmount.h',
'gmemoryinputstream.h',
'gmemorymonitor.h',
'gmemoryoutputstream.h',
'gmountoperation.h',
'gnativesocketaddress.h',

92
gio/tests/memory-monitor-dbus.py.in Executable file
View File

@ -0,0 +1,92 @@
#!/usr/bin/python3
# This program 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 3 of the License, or (at your option) any
# later version. See http://www.gnu.org/copyleft/lgpl.html for the full text
# of the license.
__author__ = 'Bastien Nocera'
__email__ = 'hadess@hadess.net'
__copyright__ = '(c) 2019 Red Hat Inc.'
__license__ = 'LGPL 3+'
import unittest
import sys
import subprocess
import dbus
import dbus.mainloop.glib
import dbusmock
import fcntl
import os
import time
from gi.repository import GLib
from gi.repository import Gio
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
# XDG_DESKTOP_PORTAL_PATH = os.path.expanduser("~/.cache/jhbuild/build/xdg-desktop-portal/xdg-desktop-portal")
XDG_DESKTOP_PORTAL_PATH = "@libexecdir@/xdg-desktop-portal"
class TestLowMemoryMonitor(dbusmock.DBusTestCase):
'''Test GMemoryMonitorDBus'''
@classmethod
def setUpClass(klass):
klass.start_system_bus()
klass.dbus_con = klass.get_dbus(True)
def setUp(self):
(self.p_mock, self.obj_lmm) = self.spawn_server_template(
'low_memory_monitor', {}, stdout=subprocess.PIPE)
# set log to nonblocking
flags = fcntl.fcntl(self.p_mock.stdout, fcntl.F_GETFL)
fcntl.fcntl(self.p_mock.stdout, fcntl.F_SETFL, flags | os.O_NONBLOCK)
self.last_warning = -1
self.dbusmock = dbus.Interface(self.obj_lmm, dbusmock.MOCK_IFACE)
self.memory_monitor = Gio.MemoryMonitor.dup_default()
self.memory_monitor.connect("low-memory-warning", self.memory_warning_cb)
self.mainloop = GLib.MainLoop()
self.main_context = self.mainloop.get_context()
def tearDown(self):
self.p_mock.terminate()
self.p_mock.wait()
def memory_warning_cb(self, monitor, level):
self.last_warning = level
self.main_context.wakeup()
def test_low_memory_warning_signal(self):
'''LowMemoryWarning signal'''
# Wait 2 seconds
timeout = 2
while timeout > 0:
time.sleep(0.5)
timeout -= 0.5
self.main_context.iteration(False)
self.dbusmock.EmitWarning(100)
# Wait 2 seconds or until warning
timeout = 2
while timeout > 0 or self.last_warning != 100:
time.sleep(0.5)
timeout -= 0.5
self.main_context.iteration(False)
self.assertEqual(self.last_warning, 100)
self.dbusmock.EmitWarning(255)
# Wait 2 seconds or until warning
timeout = 2
while timeout > 0 or self.last_warning != 255:
time.sleep(0.5)
timeout -= 0.5
self.main_context.iteration(False)
self.assertEqual(self.last_warning, 255)
if __name__ == '__main__':
# avoid writing to stderr
unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))

104
gio/tests/memory-monitor-portal.py.in Executable file
View File

@ -0,0 +1,104 @@
#!/usr/bin/python3
# This program 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 3 of the License, or (at your option) any
# later version. See http://www.gnu.org/copyleft/lgpl.html for the full text
# of the license.
__author__ = 'Bastien Nocera'
__email__ = 'hadess@hadess.net'
__copyright__ = '(c) 2019 Red Hat Inc.'
__license__ = 'LGPL 3+'
import unittest
import sys
import subprocess
import dbus
import dbus.mainloop.glib
import dbusmock
import fcntl
import os
import time
from gi.repository import GLib
from gi.repository import Gio
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
# XDG_DESKTOP_PORTAL_PATH = os.path.expanduser("~/.cache/jhbuild/build/xdg-desktop-portal/xdg-desktop-portal")
XDG_DESKTOP_PORTAL_PATH = "@libexecdir@/xdg-desktop-portal"
class TestLowMemoryMonitorPortal(dbusmock.DBusTestCase):
'''Test GMemoryMonitorPortal'''
@classmethod
def setUpClass(klass):
klass.start_system_bus()
klass.dbus_con = klass.get_dbus(True)
# Start session bus so that xdg-desktop-portal can run on it
klass.start_session_bus()
def setUp(self):
(self.p_mock, self.obj_lmm) = self.spawn_server_template(
'low_memory_monitor', {}, stdout=subprocess.PIPE)
# set log to nonblocking
flags = fcntl.fcntl(self.p_mock.stdout, fcntl.F_GETFL)
fcntl.fcntl(self.p_mock.stdout, fcntl.F_SETFL, flags | os.O_NONBLOCK)
self.last_warning = -1
self.dbusmock = dbus.Interface(self.obj_lmm, dbusmock.MOCK_IFACE)
self.xdp = subprocess.Popen([XDG_DESKTOP_PORTAL_PATH])
try:
self.wait_for_bus_object('org.freedesktop.portal.Desktop',
'/org/freedesktop/portal/desktop')
except:
raise
# subprocess.Popen(['gdbus', 'monitor', '--session', '--dest', 'org.freedesktop.portal.Desktop'])
os.environ['GTK_USE_PORTAL'] = "1"
self.memory_monitor = Gio.MemoryMonitor.dup_default()
assert("GMemoryMonitorPortal" in str(self.memory_monitor))
self.memory_monitor.connect("low-memory-warning", self.portal_memory_warning_cb)
self.mainloop = GLib.MainLoop()
self.main_context = self.mainloop.get_context()
def tearDown(self):
self.p_mock.terminate()
self.p_mock.wait()
def portal_memory_warning_cb(self, monitor, level):
self.last_warning = level
self.main_context.wakeup()
def test_low_memory_warning_portal_signal(self):
'''LowMemoryWarning signal'''
# Wait 2 seconds
timeout = 2
while timeout > 0:
time.sleep(0.5)
timeout -= 0.5
self.main_context.iteration(False)
self.dbusmock.EmitWarning(100)
# Wait 2 seconds or until warning
timeout = 2
while timeout > 0 or self.last_warning != 100:
time.sleep(0.5)
timeout -= 0.5
self.main_context.iteration(False)
self.assertEqual(self.last_warning, 100)
self.dbusmock.EmitWarning(255)
# Wait 2 seconds or until warning
timeout = 2
while timeout > 0 or self.last_warning != 255:
time.sleep(0.5)
timeout -= 0.5
self.main_context.iteration(False)
self.assertEqual(self.last_warning, 255)
if __name__ == '__main__':
# avoid writing to stderr
unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))

88
gio/tests/memory-monitor.c Normal file
View File

@ -0,0 +1,88 @@
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2019 Red Hat, Inc.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*/
#include <gio/gio.h>
static const char *
get_level_string (GMemoryMonitorWarningLevel level)
{
GEnumClass *eclass;
GEnumValue *value;
eclass = G_ENUM_CLASS (g_type_class_peek (G_TYPE_MEMORY_MONITOR_WARNING_LEVEL));
value = g_enum_get_value (eclass, level);
if (value == NULL)
return "unknown";
return value->value_nick;
}
static void
test_dup_default (void)
{
GMemoryMonitor *monitor;
monitor = g_memory_monitor_dup_default ();
g_assert_nonnull (monitor);
g_object_unref (monitor);
}
static void
warning_cb (GMemoryMonitor *m,
GMemoryMonitorWarningLevel level)
{
const char *str;
str = get_level_string (level);
g_debug ("Warning level: %s (%d)", str , level);
}
static void
do_watch_memory (void)
{
GMemoryMonitor *m;
GMainLoop *loop;
m = g_memory_monitor_dup_default ();
g_signal_connect (G_OBJECT (m), "low-memory-warning",
G_CALLBACK (warning_cb), NULL);
loop = g_main_loop_new (NULL, TRUE);
g_main_loop_run (loop);
}
int
main (int argc, char **argv)
{
int ret;
if (argc == 2 && !strcmp (argv[1], "--watch"))
{
do_watch_memory ();
return 0;
}
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/memory-monitor/default", test_dup_default);
ret = g_test_run ();
return ret;
}

26
gio/tests/meson.build
View File

@ -53,6 +53,7 @@ gio_tests = {
'inet-address' : {},
'io-stream' : {},
'memory-input-stream' : {},
'memory-monitor' : {},
'memory-output-stream' : {},
'mount-operation' : {},
'network-address' : {'extra_sources': ['mock-resolver.c']},
@ -477,6 +478,31 @@ if installed_tests_enabled
install_data('static-link.py', install_dir : installed_tests_execdir)
endif
memory_monitor_tests = [
'memory-monitor-dbus',
'memory-monitor-portal',
]
foreach memory_monitor_test : memory_monitor_tests
cdata = configuration_data()
cdata.set('installed_tests_dir', installed_tests_execdir)
cdata.set('program', memory_monitor_test + '.py')
configure_file(
input: installed_tests_template,
output: memory_monitor_test + '.test',
install_dir: installed_tests_metadir,
configuration: cdata
)
cdata = configuration_data()
cdata.set('libexecdir', join_paths(glib_prefix, get_option('libexecdir')))
configure_file(
input: memory_monitor_test + '.py.in',
output: memory_monitor_test + '.py',
install_dir : installed_tests_execdir,
configuration: cdata,
)
endforeach
if not meson.is_cross_build() or meson.has_exe_wrapper()
plugin_resources_c = custom_target('plugin-resources.c',

5
glib/glib-object.h
View File

@ -19,10 +19,10 @@
#define __GLIB_GOBJECT_H_INSIDE__
/* topmost include file for GObject header files */
#include <gobject/gbinding.h>
#include <gobject/gboxed.h>
#include <gobject/genums.h>
#include <gobject/glib-enumtypes.h>
#include <gobject/gobject.h>
#include <gobject/gparam.h>
#include <gobject/gparamspecs.h>
@ -31,10 +31,9 @@
#include <gobject/gtype.h>
#include <gobject/gtypemodule.h>
#include <gobject/gtypeplugin.h>
#include <gobject/gvalue.h>
#include <gobject/gvaluearray.h>
#include <gobject/gvalue.h>
#include <gobject/gvaluetypes.h>
#include <gobject/glib-enumtypes.h>
#include <gobject/gobject-autocleanups.h>

5
glib/glib.h
View File

@ -80,8 +80,8 @@
#include <glib/gslist.h>
#include <glib/gspawn.h>
#include <glib/gstrfuncs.h>
#include <glib/gstring.h>
#include <glib/gstringchunk.h>
#include <glib/gstring.h>
#include <glib/gtestutils.h>
#include <glib/gthread.h>
#include <glib/gthreadpool.h>
@ -94,10 +94,11 @@
#include <glib/gurifuncs.h>
#include <glib/gutils.h>
#include <glib/guuid.h>
#include <glib/gvarianttype.h>
#include <glib/gvariant.h>
#include <glib/gvarianttype.h>
#include <glib/gversion.h>
#include <glib/gversionmacros.h>
#ifdef G_PLATFORM_WIN32
#include <glib/gwin32.h>
#endif

6
glib/tests/mainloop.c
View File

@ -172,6 +172,12 @@ test_timeouts (void)
GMainLoop *loop;
GSource *source;
if (!g_test_thorough ())
{
g_test_skip ("Not running timing heavy test");
return;
}
a = b = c = 0;
ctx = g_main_context_new ();