[totem/sam/tracker3-flatpak-bundle: 1/2] Run Tracker Miners inside the Flatpak sandbox
- From: Sam Thursfield <sthursfield src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [totem/sam/tracker3-flatpak-bundle: 1/2] Run Tracker Miners inside the Flatpak sandbox
- Date: Tue, 18 Aug 2020 20:42:22 +0000 (UTC)
commit 7cc6f3a502b7bb58bbaa0cf18df33a3baabb93ee
Author: Sam Thursfield <sam afuera me uk>
Date: Sun Aug 2 12:28:11 2020 +0200
Run Tracker Miners inside the Flatpak sandbox
The Flatpak version of Totem will now run a local tracker-miner-fs-3
instance instead of using the host instance, in all cases.
For background, see:
https://gitlab.gnome.org/GNOME/totem/-/merge_requests/154#note_881125
data/meson.build | 2 +
data/tracker/meson.build | 32 ++++++
...g.gnome.Totem.Tracker3.Miner.Extract.service.in | 7 ++
...org.gnome.Totem.Tracker3.Miner.Files.service.in | 7 ++
data/tracker/org.gnome.Totem.domain.rule.in | 20 ++++
flatpak/org.gnome.Totem.Devel.json | 25 ++++-
meson.build | 1 +
src/meson.build | 5 +-
src/totem-grilo.c | 6 ++
src/totem-tracker.c | 116 +++++++++++++++++++++
src/totem-tracker.h | 33 ++++++
11 files changed, 249 insertions(+), 5 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 32f2f8450..3190e733b 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -180,3 +180,5 @@ install_data(
'totem.convert',
install_dir: join_paths(totem_datadir, 'GConf', 'gsettings')
)
+
+subdir('tracker')
diff --git a/data/tracker/meson.build b/data/tracker/meson.build
new file mode 100644
index 000000000..594ab3778
--- /dev/null
+++ b/data/tracker/meson.build
@@ -0,0 +1,32 @@
+# Files needed for running Tracker inside the Flatpak sandbox, for systems
+# which don't have a suitable version of Tracker in the host OS.
+#
+# We must export the .service files from the sandbox so they work on the
+# session bus. This means the Tracker domain name must correspond with the
+# application ID.
+
+
+domain_ontologies_dir = get_option('datadir') / 'tracker3' / 'domain-ontologies'
+dbus_services_dir = get_option('datadir') / 'dbus-1' / 'services'
+
+tracker_domain_config = configuration_data()
+tracker_domain_config.set('application_id', application_id)
+tracker_domain_config.set('domain_rule', get_option('prefix') / domain_ontologies_dir / application_id +
'.domain.rule')
+
+configure_file(
+ input: 'org.gnome.Totem.domain.rule.in',
+ output: application_id + '.domain.rule',
+ configuration: tracker_domain_config,
+ install_dir: domain_ontologies_dir)
+
+configure_file(
+ input: 'org.gnome.Totem.Tracker3.Miner.Extract.service.in',
+ output: application_id + '.Tracker3.Miner.Extract.service',
+ configuration: tracker_domain_config,
+ install_dir: dbus_services_dir)
+
+configure_file(
+ input: 'org.gnome.Totem.Tracker3.Miner.Files.service.in',
+ output: application_id + '.Tracker3.Miner.Files.service',
+ configuration: tracker_domain_config,
+ install_dir: dbus_services_dir)
diff --git a/data/tracker/org.gnome.Totem.Tracker3.Miner.Extract.service.in
b/data/tracker/org.gnome.Totem.Tracker3.Miner.Extract.service.in
new file mode 100644
index 000000000..eb7a87aa6
--- /dev/null
+++ b/data/tracker/org.gnome.Totem.Tracker3.Miner.Extract.service.in
@@ -0,0 +1,7 @@
+[D-BUS Service]
+Name=@application_id@.Tracker3.Miner.Extract
+Exec=/app/libexec/tracker-extract-3 --domain-ontology @domain_rule@
+
+# Miner details needed for tracker-control
+Path=/org/freedesktop/Tracker3/Miner/Extract
+NameSuffix=Miner.Files
diff --git a/data/tracker/org.gnome.Totem.Tracker3.Miner.Files.service.in
b/data/tracker/org.gnome.Totem.Tracker3.Miner.Files.service.in
new file mode 100644
index 000000000..4fa7371d1
--- /dev/null
+++ b/data/tracker/org.gnome.Totem.Tracker3.Miner.Files.service.in
@@ -0,0 +1,7 @@
+[D-BUS Service]
+Name=@application_id@.Tracker3.Miner.Files
+Exec=/app/libexec/tracker-miner-fs-3 --domain-ontology @domain_rule@ --initial-sleep 0
+
+# Miner details needed for tracker-control
+Path=/org/freedesktop/Tracker3/Miner/Files
+NameSuffix=Miner.Files
diff --git a/data/tracker/org.gnome.Totem.domain.rule.in b/data/tracker/org.gnome.Totem.domain.rule.in
new file mode 100644
index 000000000..d1ce398d3
--- /dev/null
+++ b/data/tracker/org.gnome.Totem.domain.rule.in
@@ -0,0 +1,20 @@
+# This defines a private Tracker domain for GNOME Totem.
+#
+# It's used to run the Tracker indexer inside a Flatpak sandbox, when Totem is
+# running on a host that doesn't have a suitable version of Tracker installed.
+
+[DomainOntology]
+# Location for the Tracker database
+CacheLocation=$XDG_CACHE_HOME/totem/miner/files
+
+# Name of the ontology to use, must be one located in
+# $(sharedir)/tracker/ontologies
+OntologyName=nepomuk
+
+# DBus name for the owner (not optional). Tracker will use
+# the domain as the prefix of the DBus name for all the
+# services related to this domain ontology.
+Domain=@application_id@
+
+# List of miners we expect to run in this domain.
+Miners=Miner.Files;Miner.Extract
diff --git a/flatpak/org.gnome.Totem.Devel.json b/flatpak/org.gnome.Totem.Devel.json
index 5f6550080..7fa46e889 100644
--- a/flatpak/org.gnome.Totem.Devel.json
+++ b/flatpak/org.gnome.Totem.Devel.json
@@ -45,8 +45,6 @@
"--own-name=org.mpris.MediaPlayer2.totem",
/* im-status plugin */
"--talk-name=org.gnome.SessionManager",
- /* Tracker 3 policy */
- "--add-policy=Tracker3.dbus:org.freedesktop.Tracker3.Miner.Files=tracker:Video"
],
"cleanup": [ "/include", "/share/bash-completion" ],
"modules": [
@@ -165,6 +163,24 @@
}
]
},
+ {
+ "name": "tracker-miners",
+ "cleanup": [ "/bin", "/etc", "/share/dbus-1/services" ],
+ "buildsystem": "meson",
+ "config-opts" : [
+ "-Dman=false",
+ "-Dminer_fs=true",
+ "-Dminer_rss=false",
+ "-Dsystemd_user_services=false",
+ "-Dwriteback=false"
+ ],
+ "sources": [
+ {
+ "type": "git",
+ "url": "https://gitlab.gnome.org/GNOME/tracker-miners.git"
+ }
+ ]
+ },
{
"name": "libmediaart",
"cleanup": [ "/bin", "/etc", "/libexec" ],
@@ -213,7 +229,7 @@
"-Denable-lua-factory=yes",
"-Denable-metadata-store=yes",
"-Denable-vimeo=yes",
- "-Denable-tracker=yes",
+ "-Denable-tracker3=yes",
"-Denable-local-metadata=yes",
"-Denable-dleyna=yes",
"-Denable-thetvdb=yes",
@@ -289,7 +305,8 @@
"sources": [
{
"type": "git",
- "url": "https://gitlab.gnome.org/GNOME/totem.git"
+ "url": "https://gitlab.gnome.org/GNOME/totem.git",
+ "branch": "sam/tracker3-flatpak-bundle"
}
]
}
diff --git a/meson.build b/meson.build
index af8aa7953..b9d0e716c 100644
--- a/meson.build
+++ b/meson.build
@@ -141,6 +141,7 @@ gst_pbutils_dep = dependency('gstreamer-pbutils-1.0')
peas_dep = dependency('libpeas-1.0', version: peas_req_version)
peas_gtk_dep = dependency('libpeas-gtk-1.0', version: peas_req_version)
totem_plparser_dep = dependency('totem-plparser', version: totem_plparser_req_version)
+tracker_dep = dependency('tracker-sparql-3.0', version: '>= 2.99')
clutter_gtk_dep = dependency('clutter-gtk-1.0', version: '>= 1.8.1')
m_dep = cc.find_library('m', required: true)
diff --git a/src/meson.build b/src/meson.build
index 1ad816adf..6ce058f4a 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -28,6 +28,7 @@ enum_headers = files(
'totem-selection-toolbar.h',
'totem-session.h',
'totem-subtitle-encoding.h',
+ 'totem-tracker.h',
'totem-uri.h',
'totem.h'
)
@@ -61,7 +62,8 @@ totem_common_deps = libbacon_video_widget_deps + python_deps + [
peas_gtk_dep,
dependency('grilo-0.3', version: grilo_req_version),
dependency('grilo-pls-0.3', version: grilo_req_version),
- dependency('gnome-desktop-3.0')
+ dependency('gnome-desktop-3.0'),
+ tracker_dep
]
totem_common_cflags = common_flags + warn_flags + [
@@ -126,6 +128,7 @@ libtotem_sources = files(
'totem-selection-toolbar.c',
'totem-session.c',
'totem-subtitle-encoding.c',
+ 'totem-tracker.c',
'totem-uri.c'
)
diff --git a/src/totem-grilo.c b/src/totem-grilo.c
index ec0b68041..36b6c609c 100644
--- a/src/totem-grilo.c
+++ b/src/totem-grilo.c
@@ -44,6 +44,7 @@
#include <totem-time-helpers.h>
#include "totem-grilo.h"
+#include "totem-tracker.h"
#include "totem-search-entry.h"
#include "totem-main-toolbar.h"
#include "totem-selection-toolbar.h"
@@ -1473,6 +1474,11 @@ load_grilo_plugins (TotemGrilo *self)
grl_config_set_string (config, "ignored-scheme", "vcd");
grl_registry_add_config (registry, config, NULL);
+ /* Connect to host or Flatpak-local Tracker Miners service */
+ config = grl_config_new ("grl-tracker3", NULL);
+ grl_config_set_string (config, "miner-service", totem_tracker_get_miner_fs_busname (NULL));
+ grl_registry_add_config (registry, config, NULL);
+
g_signal_connect (registry, "source-added",
G_CALLBACK (source_added_cb), self);
g_signal_connect (registry, "source-removed",
diff --git a/src/totem-tracker.c b/src/totem-tracker.c
new file mode 100644
index 000000000..89cec4fda
--- /dev/null
+++ b/src/totem-tracker.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2020, Sam Thursfield <sam afuera me uk>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The Totem project hereby grant permission for non-GPL compatible GStreamer
+ * plugins to be used and distributed together with GStreamer and Totem. This
+ * permission are above and beyond the permissions granted by the GPL license
+ * Totem is covered by.
+ *
+ * See license_change file for details.
+ */
+
+#include "config.h"
+#include "totem-tracker.h"
+#include <libtracker-sparql/tracker-sparql.h>
+
+/* Shared global connection to Tracker Miner FS */
+static const gchar *tracker_miner_fs_busname = NULL;
+static GError *tracker_miner_fs_error = NULL;
+
+static gboolean
+get_host_tracker_miner_fs (GError **error)
+{
+ TrackerSparqlConnection *connection;
+ const gchar *busname = "org.freedesktop.Tracker3.Miner.Files";
+
+ g_message ("Connecting to %s", busname);
+ connection = tracker_sparql_connection_bus_new (busname, NULL, NULL, error);
+ if (*error) {
+ g_warning ("Unable to create connection for session-wide Tracker indexer: %s",
(*error)->message);
+ return FALSE;
+ }
+
+ tracker_miner_fs_busname = busname;
+ g_object_unref (connection);
+ return TRUE;
+}
+
+static gboolean
+start_local_tracker_miner_fs (GError **error)
+{
+ TrackerSparqlConnection *connection;
+ const gchar *busname = APPLICATION_ID ".Tracker3.Miner.Files";
+
+ g_message ("Starting %s", busname);
+ connection = tracker_sparql_connection_bus_new (busname, NULL, NULL, error);
+ if (*error) {
+ g_critical ("Could not start local Tracker indexer at %s: %s", busname, (*error)->message);
+ return FALSE;
+ }
+
+ tracker_miner_fs_busname = busname;
+ g_object_unref (connection);
+ return TRUE;
+}
+
+static gboolean
+inside_flatpak (void)
+{
+ return g_file_test ("/.flatpak-info", G_FILE_TEST_EXISTS);
+}
+
+static void
+setup_tracker_miner_fs_connection (void)
+{
+ static gsize tried_tracker_init = FALSE;
+
+ if (g_once_init_enter (&tried_tracker_init)) {
+ gboolean success;
+
+ if (inside_flatpak ()) {
+ success = start_local_tracker_miner_fs (&tracker_miner_fs_error);
+ } else {
+ success = get_host_tracker_miner_fs (&tracker_miner_fs_error);
+ }
+
+ g_once_init_leave (&tried_tracker_init, TRUE);
+ }
+}
+
+/**
+ * totem_tracker_get_miner_fs_busname:
+ * @error: return location for a #GError
+ *
+ * This function returns a DBus name that can be used to talk to
+ * tracker-miner-fs, or %NULL if there is no Tracker Miner FS available.
+ *
+ * The first time you call it, this function will block while trying to connect.
+ * This may take some time if starting Tracker Miners from a Flatpak bundle.
+ *
+ * Returns: a string
+ */
+const gchar *
+totem_tracker_get_miner_fs_busname (GError **error)
+{
+ setup_tracker_miner_fs_connection ();
+
+ if (tracker_miner_fs_error && error) {
+ *error = g_error_copy (tracker_miner_fs_error);
+ }
+
+ return tracker_miner_fs_busname;
+}
diff --git a/src/totem-tracker.h b/src/totem-tracker.h
new file mode 100644
index 000000000..60742bc68
--- /dev/null
+++ b/src/totem-tracker.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2020, Sam Thursfield <sam afuera me uk>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The Totem project hereby grant permission for non-GPL compatible GStreamer
+ * plugins to be used and distributed together with GStreamer and Totem. This
+ * permission are above and beyond the permissions granted by the GPL license
+ * Totem is covered by.
+ *
+ * See license_change file for details.
+ */
+
+#ifndef TOTEM_TRACKER_H
+#define TOTEM_TRACKER_H
+
+#include <glib.h>
+
+const gchar *totem_tracker_get_miner_fs_busname (GError **error);
+
+#endif
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