* viking -- GPS Data and Topo Analyzer, Explorer, and Manager
*
* Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
+ * Copyright (c) 2015, Rob Norris <rw_norris@hotmail.com>
*
* 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
#include <glib/gi18n.h>
#include "background.h"
-
-static GThreadPool *thread_pool = NULL;
+#include "settings.h"
+#include "util.h"
+#include "math.h"
+#include "uibuilder.h"
+#include "globals.h"
+#include "preferences.h"
+
+static GThreadPool *thread_pool_remote = NULL;
+static GThreadPool *thread_pool_local = NULL;
+#ifdef HAVE_LIBMAPNIK
+static GThreadPool *thread_pool_local_mapnik = NULL;
+#endif
static gboolean stop_all_threads = FALSE;
static GtkWidget *bgwindow = NULL;
{
static gchar buf[20];
g_snprintf(buf, sizeof(buf), _("%d items"), bgitemcount);
- vik_window_signal_statusbar_update ( vw, buf );
+ vik_window_statusbar_update ( vw, buf, VIK_STATUSBAR_ITEMS );
}
static void background_thread_update ()
g_slist_foreach ( windows_to_update, (GFunc) a_background_update_status, NULL );
}
+/**
+ * a_background_thread_progress:
+ * @callbackdata: Thread data
+ * @fraction: The value should be between 0.0 and 1.0 indicating percentage of the task complete
+ */
int a_background_thread_progress ( gpointer callbackdata, gdouble fraction )
{
gpointer *args = (gpointer *) callbackdata;
int res = a_background_testcancel ( callbackdata );
if (args[5] != NULL) {
+ gdouble myfraction = fabs(fraction);
+ if ( myfraction > 1.0 )
+ myfraction = 1.0;
gdk_threads_enter();
- gtk_list_store_set( GTK_LIST_STORE(bgstore), (GtkTreeIter *) args[5], PROGRESS_COLUMN, fraction*100, -1 );
+ gtk_list_store_set( GTK_LIST_STORE(bgstore), (GtkTreeIter *) args[5], PROGRESS_COLUMN, myfraction*100, -1 );
gdk_threads_leave();
}
/**
* a_background_thread:
+ * @bp: Which pool this thread should run in
* @parent:
* @message:
* @func: worker function
*
* Function to enlist new background function.
*/
-void a_background_thread ( GtkWindow *parent, const gchar *message, vik_thr_func func, gpointer userdata, vik_thr_free_func userdata_free_func, vik_thr_free_func userdata_cancel_cleanup_func, gint number_items )
+void a_background_thread ( Background_Pool_Type bp, GtkWindow *parent, const gchar *message, vik_thr_func func, gpointer userdata, vik_thr_free_func userdata_free_func, vik_thr_free_func userdata_cancel_cleanup_func, gint number_items )
{
GtkTreeIter *piter = g_malloc ( sizeof ( GtkTreeIter ) );
gpointer *args = g_malloc ( sizeof(gpointer) * VIK_BG_NUM_ARGS );
-1 );
/* run the thread in the background */
- g_thread_pool_push( thread_pool, args, NULL );
+ if ( bp == BACKGROUND_POOL_REMOTE )
+ g_thread_pool_push( thread_pool_remote, args, NULL );
+#ifdef HAVE_LIBMAPNIK
+ else if ( bp == BACKGROUND_POOL_LOCAL_MAPNIK )
+ g_thread_pool_push( thread_pool_local_mapnik, args, NULL );
+#endif
+ else
+ g_thread_pool_push( thread_pool_local, args, NULL );
}
/**
gtk_widget_hide ( bgwindow );
}
+#define VIK_SETTINGS_BACKGROUND_MAX_THREADS "background_max_threads"
+#define VIK_SETTINGS_BACKGROUND_MAX_THREADS_LOCAL "background_max_threads_local"
+
+#ifdef HAVE_LIBMAPNIK
+VikLayerParamScale params_threads[] = { {1, 64, 1, 0} }; // 64 threads should be enough for anyone...
+// implicit use of 'MAPNIK_PREFS_NAMESPACE' to avoid dependency issues
+static VikLayerParam prefs_mapnik[] = {
+ { VIK_LAYER_NUM_TYPES, "mapnik.background_max_threads_local_mapnik", VIK_LAYER_PARAM_UINT, VIK_LAYER_GROUP_NONE, N_("Threads:"), VIK_LAYER_WIDGET_SPINBUTTON, params_threads, NULL,
+ N_("Number of threads to use for Mapnik tasks. You need to restart Viking for a change to this value to be used"), NULL, NULL, NULL },
+};
+#endif
+
/**
* a_background_init:
*
+ * Just setup any preferences.
+ */
+void a_background_init ()
+{
+#ifdef HAVE_LIBMAPNIK
+ VikLayerParamData tmp;
+ // implicit use of 'MAPNIK_PREFS_NAMESPACE' to avoid dependency issues
+ tmp.u = 1; // Default to 1 thread due to potential crashing issues
+ a_preferences_register(&prefs_mapnik[0], tmp, "mapnik");
+#endif
+}
+
+/**
+ * a_background_post_init:
+ *
* Initialize background feature.
*/
-void a_background_init()
+void a_background_post_init()
{
- /* initialize thread pool */
- /* TODO parametrize this via preference and/or command line arg */
+ // initialize thread pools
gint max_threads = 10; /* limit maximum number of threads running at one time */
- thread_pool = g_thread_pool_new ( (GFunc) thread_helper, NULL, max_threads, FALSE, NULL );
+ gint maxt;
+ if ( a_settings_get_integer ( VIK_SETTINGS_BACKGROUND_MAX_THREADS, &maxt ) )
+ max_threads = maxt;
+
+ thread_pool_remote = g_thread_pool_new ( (GFunc) thread_helper, NULL, max_threads, FALSE, NULL );
+
+ if ( a_settings_get_integer ( VIK_SETTINGS_BACKGROUND_MAX_THREADS_LOCAL, &maxt ) )
+ max_threads = maxt;
+ else {
+ guint cpus = util_get_number_of_cpus ();
+ max_threads = cpus > 1 ? cpus-1 : 1; // Don't use all available CPUs!
+ }
+
+ thread_pool_local = g_thread_pool_new ( (GFunc) thread_helper, NULL, max_threads, FALSE, NULL );
+
+#ifdef HAVE_LIBMAPNIK
+ // implicit use of 'MAPNIK_PREFS_NAMESPACE' to avoid dependency issues
+ guint mapnik_threads = a_preferences_get("mapnik.background_max_threads_local_mapnik")->u;
+ thread_pool_local_mapnik = g_thread_pool_new ( (GFunc) thread_helper, NULL, mapnik_threads, FALSE, NULL );
+#endif
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
#if GTK_CHECK_VERSION (2, 20, 0)
response_w = gtk_dialog_get_widget_for_response ( GTK_DIALOG(bgwindow), GTK_RESPONSE_ACCEPT );
#endif
- gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(bgwindow)->vbox), scrolled_window, TRUE, TRUE, 0 );
+ gtk_box_pack_start ( GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(bgwindow))), scrolled_window, TRUE, TRUE, 0 );
gtk_window_set_default_size ( GTK_WINDOW(bgwindow), 400, 400 );
gtk_window_set_title ( GTK_WINDOW(bgwindow), _("Viking Background Jobs") );
if ( response_w )
*/
void a_background_uninit()
{
- /* wait until all running threads stop */
stop_all_threads = TRUE;
- g_thread_pool_free ( thread_pool, TRUE, TRUE );
+ // wait until these threads stop
+ g_thread_pool_free ( thread_pool_remote, TRUE, TRUE );
+ // Don't wait for these
+ g_thread_pool_free ( thread_pool_local, TRUE, FALSE );
+#ifdef HAVE_LIBMAPNIK
+ g_thread_pool_free ( thread_pool_local_mapnik, TRUE, FALSE );
+#endif
+
+ gtk_list_store_clear ( bgstore );
+ g_object_unref ( bgstore );
+
+ gtk_widget_destroy ( bgwindow );
}
void a_background_add_window (VikWindow *vw)