cdma-sms: Add CDMA SMS Support

1 files changed, 330 insertions, 0 deletions

diff --git a/src/cdma-sms.c b/src/cdma-sms.c
new file mode 100644
index 00000000..ea88028e
--- /dev/null
+++ b/src/cdma-sms.c
@@ -0,0 +1,330 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2010-2011  Nokia Corporation. All rights reserved.
+ *
+ *  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 <errno.h>
+
+#include <glib.h>
+#include <gdbus.h>
+#include <sys/time.h>
+
+#include "ofono.h"
+
+#include "cdma-smsutil.h"
+
+static GSList *g_drivers;
+
+struct ofono_cdma_sms {
+	const struct ofono_cdma_sms_driver *driver;
+	void *driver_data;
+	struct ofono_atom *atom;
+};
+
+static GDBusMethodTable cdma_sms_manager_methods[] = {
+	/* TODO */
+	{ }
+};
+
+static GDBusSignalTable cdma_sms_manager_signals[] = {
+	{ "IncomingMessage",	"sa{sv}"	},
+	/* TODO */
+	{ }
+};
+
+static void cdma_dispatch_text_message(struct ofono_cdma_sms *cdma_sms,
+					const char *message,
+					const char *oaddr)
+{
+	const char *path = __ofono_atom_get_path(cdma_sms->atom);
+	DBusConnection *conn = ofono_dbus_get_connection();
+	DBusMessage *signal;
+	DBusMessageIter iter;
+	DBusMessageIter dict;
+	const char *signal_name;
+
+	/* TODO: Support ImmediateMessage */
+	signal_name = "IncomingMessage";
+
+	signal = dbus_message_new_signal(path,
+					OFONO_CDMA_MESSAGE_MANAGER_INTERFACE,
+					signal_name);
+	if (signal == NULL)
+		return;
+
+	dbus_message_iter_init_append(signal, &iter);
+
+	dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &message);
+
+	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+					OFONO_PROPERTIES_ARRAY_SIGNATURE,
+					&dict);
+
+	ofono_dbus_dict_append(&dict, "Sender", DBUS_TYPE_STRING, &oaddr);
+
+	/* TODO: Other properties not supported yet */
+
+	dbus_message_iter_close_container(&iter, &dict);
+
+	g_dbus_send_message(conn, signal);
+
+	/*TODO: Add the message to history*/
+}
+
+static void ofono_cdma_sms_process_wmt_deliver(struct ofono_cdma_sms *cdma_sms,
+						const struct cdma_sms *incoming)
+{
+	char *message;
+	const char *oaddr;
+	const struct cdma_sms_ud *ud;
+
+	ud = &incoming->p2p_msg.bd.wmt_deliver.ud;
+
+	/*
+	 * If incoming message does not contain USER DATA, still
+	 * send indication to upper layer but with empty string.
+	 */
+	if (check_bitmap(incoming->p2p_msg.bd.subparam_bitmap,
+				CDMA_SMS_SUBPARAM_ID_USER_DATA) == FALSE)
+		message = g_new0(char, 1);
+	else
+		message = cdma_sms_decode_text(ud);
+
+	if (message == NULL)
+		return;
+
+	oaddr = cdma_sms_address_to_string(&incoming->p2p_msg.oaddr);
+	if (oaddr == NULL) {
+		g_free(message);
+		return;
+	}
+
+	cdma_dispatch_text_message(cdma_sms, message, oaddr);
+
+	g_free(message);
+}
+
+static void ofono_cdma_sms_process_wmt(struct ofono_cdma_sms *cdma_sms,
+					struct cdma_sms *incoming)
+{
+	/* TODO: Add duplicate detection support */
+
+	switch (incoming->p2p_msg.bd.id.msg_type) {
+	case CDMA_SMS_MSG_TYPE_RESERVED:
+		break;
+	case CDMA_SMS_MSG_TYPE_DELIVER:
+		ofono_cdma_sms_process_wmt_deliver(cdma_sms, incoming);
+		break;
+	case CDMA_SMS_MSG_TYPE_SUBMIT:
+	case CDMA_SMS_MSG_TYPE_CANCEL:
+	case CDMA_SMS_MSG_TYPE_DELIVER_ACK:
+	case CDMA_SMS_MSG_TYPE_USER_ACK:
+	case CDMA_SMS_MSG_TYPE_READ_ACK:
+	case CDMA_SMS_MSG_TYPE_DELIVER_REPORT:
+	case CDMA_SMS_MSG_TYPE_SUBMIT_REPORT:
+		/* TODO */
+		break;
+	}
+}
+
+static void ofono_cdma_sms_process_p2p(struct ofono_cdma_sms *cdma_sms,
+					struct cdma_sms *incoming)
+{
+	switch (incoming->p2p_msg.teleservice_id) {
+	case CDMA_SMS_TELESERVICE_ID_CMT91:
+	case CDMA_SMS_TELESERVICE_ID_WPT:
+		break; /* TODO: Not supported yet */
+	case CDMA_SMS_TELESERVICE_ID_WMT:
+		ofono_cdma_sms_process_wmt(cdma_sms, incoming);
+		break;
+	case CDMA_SMS_TELESERVICE_ID_VMN:
+	case CDMA_SMS_TELESERVICE_ID_WAP:
+	case CDMA_SMS_TELESERVICE_ID_WEMT:
+	case CDMA_SMS_TELESERVICE_ID_SCPT:
+	case CDMA_SMS_TELESERVICE_ID_CATPT:
+		break; /* TODO: Not supported yet */
+	}
+}
+
+void ofono_cdma_sms_deliver_notify(struct ofono_cdma_sms *cdma_sms,
+					unsigned char *pdu, int tpdu_len)
+{
+	static struct cdma_sms s;
+
+	DBG("tpdu len %d", tpdu_len);
+
+	memset(&s, 0, sizeof(struct cdma_sms));
+
+	if (cdma_sms_decode(pdu, tpdu_len, &s) == FALSE)
+		return;
+
+	switch (s.type) {
+	case CDMA_SMS_TP_MSG_TYPE_P2P:
+		ofono_cdma_sms_process_p2p(cdma_sms, &s);
+		break;
+	case CDMA_SMS_TP_MSG_TYPE_BCAST:
+	case CDMA_SMS_TP_MSG_TYPE_ACK:
+		/*
+		 * TODO: Support SMS Broadcast Message and SMS
+		 * Acknowledge Message.
+		 */
+		break;
+	}
+}
+
+int ofono_cdma_sms_driver_register(const struct ofono_cdma_sms_driver *d)
+{
+	DBG("driver: %p, name: %s", d, d->name);
+
+	if (d->probe == NULL)
+		return -EINVAL;
+
+	g_drivers = g_slist_prepend(g_drivers, (void *)d);
+
+	return 0;
+}
+
+void ofono_cdma_sms_driver_unregister(const struct ofono_cdma_sms_driver *d)
+{
+	DBG("driver: %p, name: %s", d, d->name);
+
+	g_drivers = g_slist_remove(g_drivers, (void *)d);
+}
+
+static void cdma_sms_unregister(struct ofono_atom *atom)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	struct ofono_modem *modem = __ofono_atom_get_modem(atom);
+	const char *path = __ofono_atom_get_path(atom);
+
+	g_dbus_unregister_interface(conn, path,
+					OFONO_CDMA_MESSAGE_MANAGER_INTERFACE);
+
+	ofono_modem_remove_interface(modem,
+					OFONO_CDMA_MESSAGE_MANAGER_INTERFACE);
+}
+
+static void cdma_sms_remove(struct ofono_atom *atom)
+{
+	struct ofono_cdma_sms *cdma_sms = __ofono_atom_get_data(atom);
+
+	DBG("atom: %p", atom);
+
+	if (cdma_sms == NULL)
+		return;
+
+	if (cdma_sms->driver && cdma_sms->driver->remove)
+		cdma_sms->driver->remove(cdma_sms);
+
+	g_free(cdma_sms);
+}
+
+/*
+ * Create a CDMA SMS driver
+ *
+ * This creates a CDMA SMS driver that is hung off a @modem
+ * object. However, for the driver to be used by the system, it has to
+ * be registered with the oFono core using ofono_sms_register().
+ *
+ * This is done once the modem driver determines that SMS is properly
+ * supported by the hardware.
+ */
+struct ofono_cdma_sms *ofono_cdma_sms_create(struct ofono_modem *modem,
+						unsigned int vendor,
+						const char *driver,
+						void *data)
+{
+	struct ofono_cdma_sms *cdma_sms;
+	GSList *l;
+
+	if (driver == NULL)
+		return NULL;
+
+	cdma_sms = g_try_new0(struct ofono_cdma_sms, 1);
+	if (cdma_sms == NULL)
+		return NULL;
+
+	cdma_sms->atom = __ofono_modem_add_atom(modem,
+						OFONO_ATOM_TYPE_CDMA_SMS,
+						cdma_sms_remove, cdma_sms);
+
+	for (l = g_drivers; l; l = l->next) {
+		const struct ofono_cdma_sms_driver *drv = l->data;
+
+		if (g_strcmp0(drv->name, driver))
+			continue;
+
+		if (drv->probe(cdma_sms, vendor, data) < 0)
+			continue;
+
+		cdma_sms->driver = drv;
+		break;
+	}
+
+	return cdma_sms;
+}
+
+/*
+ * Indicate oFono that a CDMA SMS driver is ready for operation
+ *
+ * This is called after ofono_cdma_sms_create() was done and the modem
+ * driver determined that a modem supports SMS correctly. Once this
+ * call succeeds, the D-BUS interface for SMS goes live.
+ */
+void ofono_cdma_sms_register(struct ofono_cdma_sms *cdma_sms)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	struct ofono_modem *modem = __ofono_atom_get_modem(cdma_sms->atom);
+	const char *path = __ofono_atom_get_path(cdma_sms->atom);
+
+	if (!g_dbus_register_interface(conn, path,
+					OFONO_CDMA_MESSAGE_MANAGER_INTERFACE,
+					cdma_sms_manager_methods,
+					cdma_sms_manager_signals,
+					NULL, cdma_sms, NULL)) {
+		ofono_error("Could not create %s interface",
+				OFONO_CDMA_MESSAGE_MANAGER_INTERFACE);
+		return;
+	}
+
+	ofono_modem_add_interface(modem, OFONO_CDMA_MESSAGE_MANAGER_INTERFACE);
+
+	__ofono_atom_register(cdma_sms->atom, cdma_sms_unregister);
+}
+
+void ofono_cdma_sms_remove(struct ofono_cdma_sms *cdma_sms)
+{
+	__ofono_atom_free(cdma_sms->atom);
+}
+
+void ofono_cdma_sms_set_data(struct ofono_cdma_sms *cdma_sms, void *data)
+{
+	cdma_sms->driver_data = data;
+}
+
+void *ofono_cdma_sms_get_data(struct ofono_cdma_sms *cdma_sms)
+{
+	return cdma_sms->driver_data;
+}