Add network time support

Adding a new notify function in the netreg atom for notifying a
received Network Identification and Timezone (NITZ) indication. This
data is consumed via a nettime plugin, of which there is also an
example.

1 files changed, 121 insertions, 0 deletions

diff --git a/src/nettime.c b/src/nettime.c
new file mode 100644
index 00000000..b17e375b
--- /dev/null
+++ b/src/nettime.c
@@ -0,0 +1,121 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2010  Nokia Corporation and/or its subsidiary(-ies).
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdio.h>
+
+#include <glib.h>
+
+#include "ofono.h"
+
+static GSList *nettime_drivers = NULL;
+
+static struct ofono_nettime_context *nettime_context_create(
+					struct ofono_modem *modem,
+					struct ofono_nettime_driver *driver)
+{
+	struct ofono_nettime_context *context;
+
+	if (driver->probe == NULL)
+		return NULL;
+
+	context = g_try_new0(struct ofono_nettime_context, 1);
+
+	if (context == NULL)
+		return NULL;
+
+	context->driver = driver;
+	context->modem = modem;
+
+	if (driver->probe(context) < 0) {
+		g_free(context);
+		return NULL;
+	}
+
+	return context;
+}
+
+static void context_remove(struct ofono_atom *atom)
+{
+	struct ofono_nettime_context *context = __ofono_atom_get_data(atom);
+
+	if (context->driver->remove)
+		context->driver->remove(context);
+
+	g_free(context);
+}
+
+void __ofono_nettime_probe_drivers(struct ofono_modem *modem)
+{
+	struct ofono_nettime_driver *driver;
+	struct ofono_nettime_context *context;
+	GSList *l;
+
+	for (l = nettime_drivers; l; l = l->next) {
+		driver = l->data;
+
+		context = nettime_context_create(modem, driver);
+
+		if (!context)
+			continue;
+
+		__ofono_modem_add_atom(modem, OFONO_ATOM_TYPE_NETTIME,
+						context_remove, context);
+	}
+}
+
+static void nettime_info_received(struct ofono_atom *atom, void *data)
+{
+	struct ofono_nettime_context *context = __ofono_atom_get_data(atom);
+	struct ofono_network_time *info = data;
+
+	if (context->driver->info_received == NULL)
+		return;
+
+	context->driver->info_received(context, info);
+}
+
+void __ofono_nettime_info_received(struct ofono_modem *modem,
+					struct ofono_network_time *info)
+{
+	__ofono_modem_foreach_atom(modem, OFONO_ATOM_TYPE_NETTIME,
+					nettime_info_received, info);
+}
+
+int ofono_nettime_driver_register(const struct ofono_nettime_driver *driver)
+{
+	DBG("driver: %p name: %s", driver, driver->name);
+
+	nettime_drivers = g_slist_prepend(nettime_drivers, (void *)driver);
+
+	return 0;
+}
+
+void ofono_nettime_driver_unregister(const struct ofono_nettime_driver *driver)
+{
+	DBG("driver: %p name: %s", driver, driver->name);
+
+	nettime_drivers = g_slist_remove(nettime_drivers, driver);
+}