Add a gnet utility

This is currently just a wrapper around GNetworkMonitor.

gio/Makefile.am

@@ -993,6 +993,14 @@ gio_LDADD = libgio-2.0.la 				\
 	$(top_builddir)/glib/libglib-2.0.la		\
 	$(NULL)
 
+bin_PROGRAMS += gnet
+gnet_SOURCES = \
+	gnet-tool.c
+gnet_LDADD = libgio-2.0.la 				\
+	$(top_builddir)/gobject/libgobject-2.0.la	\
+	$(top_builddir)/glib/libglib-2.0.la		\
+	$(NULL)
+
 dist-hook: $(BUILT_EXTRA_DIST)
 	files='$(BUILT_EXTRA_DIST)'; \
 	for f in $$files; do \

gio/gnet-tool.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright 2015 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/>.
+ *
+ * Author: Matthias Clasen <mclasen@redhat.com>
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+#include <gi18n.h>
+#include <locale.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+static void
+network_changed (GNetworkMonitor *nm,
+                 gboolean available,
+                 gpointer data)
+{
+  g_print ("::network-changed available: %d\n", available);
+}
+
+static void
+notify (GObject *object,
+        GParamSpec *pspec,
+        gpointer data)
+{
+  GNetworkMonitor *nm = G_NETWORK_MONITOR (object);
+
+  g_print ("notify::");
+  if (strcmp (pspec->name, "network-available") == 0)
+    g_print ("network-available: %d\n", g_network_monitor_get_network_available (nm));
+  else if (strcmp (pspec->name, "network-metered") == 0)
+    g_print ("network-metered: %d\n", g_network_monitor_get_network_metered (nm));
+  else if (strcmp (pspec->name, "connectivity") == 0)
+    g_print ("connectivity: %d\n", g_network_monitor_get_connectivity (nm));
+}
+
+int
+main (int argc, char **argv)
+{
+  GNetworkMonitor *nm;
+
+  setlocale (LC_ALL, "");
+  textdomain (GETTEXT_PACKAGE);
+  bindtextdomain (GETTEXT_PACKAGE, GLIB_LOCALE_DIR);
+
+#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
+  bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+#endif
+
+  nm = g_network_monitor_get_default ();
+  g_print ("Using %s\n", g_type_name_from_instance (nm));
+
+  g_signal_connect (nm, "network-changed", G_CALLBACK (network_changed), NULL);
+  g_signal_connect (nm, "notify", G_CALLBACK (notify), NULL);
+
+  while (TRUE)
+    g_main_context_iteration (NULL, TRUE);
+  
+  return 1;
+}