[tracker/wip/carlosg/domain-ontologies: 3/21] tracker-miner-apps: Add --domain-ontology switch

[Carlos Garnacho <carlosg src gnome org>]

commit 4bd91e22511818be3161e99664aae766a9d429ab
Author: Carlos Garnacho <carlosg gnome org>
Date:   Mon Jun 19 20:57:46 2017 +0200

    tracker-miner-apps: Add --domain-ontology switch
    
    This allows tracker-miner-apps to dump data on other domain
    ontologies than the default one.

 src/miners/apps/tracker-main.c |   29 ++++++++++++++++++++++++++---
 1 files changed, 26 insertions(+), 3 deletions(-)
---
diff --git a/src/miners/apps/tracker-main.c b/src/miners/apps/tracker-main.c
index 394a189..0d46cd0 100644
--- a/src/miners/apps/tracker-main.c
+++ b/src/miners/apps/tracker-main.c
@@ -44,7 +44,7 @@
        "\n" \
        "  http://www.gnu.org/licenses/gpl.txt\n";
 
-#define DBUS_NAME "org.freedesktop.Tracker1.Miner.Applications"
+#define DBUS_NAME_SUFFIX "Miner.Applications"
 #define DBUS_PATH "/org/freedesktop/Tracker1/Miner/Applications"
 
 static GMainLoop *main_loop;
@@ -52,6 +52,7 @@ static GMainLoop *main_loop;
 static gint verbosity = -1;
 static gboolean no_daemon;
 static gboolean version;
+static gchar *domain_ontology_name = NULL;
 
 static GOptionEntry entries[] = {
        { "verbosity", 'v', 0,
@@ -63,6 +64,10 @@ static GOptionEntry entries[] = {
          G_OPTION_ARG_NONE, &no_daemon,
          N_("Runs until all applications are indexed and then exits"),
          NULL },
+       { "domain-ontology", 'd', 0,
+         G_OPTION_ARG_STRING, &domain_ontology_name,
+         N_("Runs for an specific domain ontology"),
+         NULL },
        { "version", 'V', 0,
          G_OPTION_ARG_NONE, &version,
          N_("Displays version information"),
@@ -171,6 +176,8 @@ main (gint argc, gchar *argv[])
        gchar *log_filename = NULL;
        GDBusConnection *connection;
        TrackerMinerProxy *proxy;
+       TrackerDomainOntology *domain_ontology;
+       gchar *dbus_name;
 
        main_loop = NULL;
 
@@ -203,6 +210,16 @@ main (gint argc, gchar *argv[])
                return EXIT_SUCCESS;
        }
 
+       tracker_sparql_connection_set_domain (domain_ontology_name);
+
+       domain_ontology = tracker_domain_ontology_new (domain_ontology_name, NULL, &error);
+       if (error) {
+               g_critical ("Could not load domain ontology '%s': %s",
+                           domain_ontology_name, error->message);
+               g_error_free (error);
+               return EXIT_FAILURE;
+       }
+
        connection = g_bus_get_sync (TRACKER_IPC_BUS, NULL, &error);
        if (error) {
                g_critical ("Could not create DBus connection: %s\n",
@@ -211,13 +228,18 @@ main (gint argc, gchar *argv[])
                return EXIT_FAILURE;
        }
 
-       if (!tracker_dbus_request_name (connection, DBUS_NAME, &error)) {
+       dbus_name = tracker_domain_ontology_get_domain (domain_ontology, DBUS_NAME_SUFFIX);
+
+       if (!tracker_dbus_request_name (connection, dbus_name, &error)) {
                g_critical ("Could not request DBus name '%s': %s",
-                           DBUS_NAME, error->message);
+                           dbus_name, error->message);
                g_error_free (error);
+               g_free (dbus_name);
                return EXIT_FAILURE;
        }
 
+       g_free (dbus_name);
+
        tracker_log_init (verbosity, &log_filename);
        if (log_filename) {
                g_message ("Using log file:'%s'", log_filename);
@@ -261,6 +283,7 @@ main (gint argc, gchar *argv[])
        g_object_unref (G_OBJECT (miner_applications));
        g_object_unref (connection);
        g_object_unref (proxy);
+       g_object_unref (domain_ontology);
 
        tracker_log_shutdown ();