cdma-voicecall: Add CDMA MO Call Support

1 files changed, 430 insertions, 0 deletions

diff --git a/src/cdma-voicecall.c b/src/cdma-voicecall.c
new file mode 100644
index 00000000..a36af75b
--- /dev/null
+++ b/src/cdma-voicecall.c
@@ -0,0 +1,430 @@
+/*
+ *
+ *  oFono - Open Source Telephony
+ *
+ *  Copyright (C) 2010 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 <time.h>
+#include <errno.h>
+#include <stdint.h>
+
+#include <glib.h>
+#include <gdbus.h>
+
+#include "ofono.h"
+
+#include "common.h"
+
+static GSList *g_drivers;
+
+struct ofono_cdma_voicecall {
+	struct ofono_cdma_phone_number phone_number;
+	int direction;
+	enum cdma_call_status status;
+	time_t start_time;
+	DBusMessage *pending;
+	const struct ofono_cdma_voicecall_driver *driver;
+	void *driver_data;
+	struct ofono_atom *atom;
+};
+
+static const char *disconnect_reason_to_string(enum ofono_disconnect_reason r)
+{
+	switch (r) {
+	case OFONO_DISCONNECT_REASON_LOCAL_HANGUP:
+		return "local";
+	case OFONO_DISCONNECT_REASON_REMOTE_HANGUP:
+		return "remote";
+	default:
+		return "network";
+	}
+}
+
+static const char *cdma_call_status_to_string(enum cdma_call_status status)
+{
+	switch (status) {
+	case CDMA_CALL_STATUS_ACTIVE:
+		return "active";
+	case CDMA_CALL_STATUS_DIALING:
+		return "dialing";
+	case CDMA_CALL_STATUS_ALERTING:
+		return "alerting";
+	case CDMA_CALL_STATUS_INCOMING:
+		return "incoming";
+	case CDMA_CALL_STATUS_DISCONNECTED:
+		return "disconnected";
+	}
+
+	return NULL;
+}
+
+static const char *time_to_str(const time_t *t)
+{
+	static char buf[128];
+	struct tm tm;
+
+	strftime(buf, 127, "%Y-%m-%dT%H:%M:%S%z", localtime_r(t, &tm));
+	buf[127] = '\0';
+
+	return buf;
+}
+
+static void generic_callback(const struct ofono_error *error, void *data)
+{
+	struct ofono_cdma_voicecall *vc = data;
+	DBusMessage *reply;
+
+	if (error->type == OFONO_ERROR_TYPE_NO_ERROR)
+		reply = dbus_message_new_method_return(vc->pending);
+	else
+		reply = __ofono_error_failed(vc->pending);
+
+	__ofono_dbus_pending_reply(&vc->pending, reply);
+}
+
+static void append_voicecall_properties(struct ofono_cdma_voicecall *vc,
+					DBusMessageIter *dict)
+{
+	const char *status;
+	const char *lineid;
+	const char *timestr;
+
+	status = cdma_call_status_to_string(vc->status);
+	lineid = cdma_phone_number_to_string(&vc->phone_number);
+
+	ofono_dbus_dict_append(dict, "State", DBUS_TYPE_STRING, &status);
+
+	ofono_dbus_dict_append(dict, "LineIdentification",
+				DBUS_TYPE_STRING, &lineid);
+
+	if (vc->status == CDMA_CALL_STATUS_ACTIVE) {
+		timestr = time_to_str(&vc->start_time);
+
+		ofono_dbus_dict_append(dict, "StartTime", DBUS_TYPE_STRING,
+					&timestr);
+	}
+}
+
+static DBusMessage *voicecall_manager_get_properties(DBusConnection *conn,
+						DBusMessage *msg, void *data)
+{
+	struct ofono_cdma_voicecall *vc = data;
+	DBusMessage *reply;
+	DBusMessageIter iter;
+	DBusMessageIter dict;
+
+	reply = dbus_message_new_method_return(msg);
+
+	if (reply == NULL)
+		return NULL;
+
+	dbus_message_iter_init_append(reply, &iter);
+
+	dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+					OFONO_PROPERTIES_ARRAY_SIGNATURE,
+					&dict);
+	append_voicecall_properties(vc, &dict);
+	dbus_message_iter_close_container(&iter, &dict);
+
+	return reply;
+}
+
+static void voicecall_emit_disconnect_reason(
+		struct ofono_cdma_voicecall *vc,
+		enum ofono_disconnect_reason reason)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	const char *path = __ofono_atom_get_path(vc->atom);
+	const char *reason_str;
+
+	reason_str = disconnect_reason_to_string(reason);
+
+	g_dbus_emit_signal(conn, path, OFONO_CDMA_VOICECALL_MANAGER_INTERFACE,
+				"DisconnectReason",
+				DBUS_TYPE_STRING, &reason_str,
+				DBUS_TYPE_INVALID);
+}
+
+static void voicecall_set_call_status(struct ofono_cdma_voicecall *vc,
+		enum cdma_call_status status)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	const char *path = __ofono_atom_get_path(vc->atom);
+	const char *status_str;
+	enum cdma_call_status old_status;
+
+	if (vc->status == status)
+		return;
+
+	old_status = vc->status;
+
+	vc->status = status;
+
+	status_str = cdma_call_status_to_string(status);
+
+	ofono_dbus_signal_property_changed(conn, path,
+					OFONO_CDMA_VOICECALL_MANAGER_INTERFACE,
+					"State", DBUS_TYPE_STRING,
+					&status_str);
+
+	if (status == CDMA_CALL_STATUS_ACTIVE &&
+			old_status == CDMA_CALL_STATUS_DIALING) {
+		const char *timestr;
+
+		vc->start_time = time(NULL);
+		timestr = time_to_str(&vc->start_time);
+
+		ofono_dbus_signal_property_changed(conn, path,
+					OFONO_CDMA_VOICECALL_MANAGER_INTERFACE,
+					"StartTime", DBUS_TYPE_STRING,
+					&timestr);
+	}
+}
+
+static void voicecall_set_call_lineid(struct ofono_cdma_voicecall *vc)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	const char *path  = __ofono_atom_get_path(vc->atom);
+	const char *lineid_str;
+
+	/* For MO calls, LineID is the dialed phone number */
+	lineid_str = cdma_phone_number_to_string(&vc->phone_number);
+
+	ofono_dbus_signal_property_changed(conn, path,
+					OFONO_CDMA_VOICECALL_MANAGER_INTERFACE,
+					"LineIdentification",
+					DBUS_TYPE_STRING, &lineid_str);
+}
+
+static void manager_dial_callback(const struct ofono_error *error, void *data)
+{
+	struct ofono_cdma_voicecall *vc = data;
+	DBusMessage *reply;
+
+	if (error->type != OFONO_ERROR_TYPE_NO_ERROR) {
+		reply = __ofono_error_failed(vc->pending);
+		__ofono_dbus_pending_reply(&vc->pending, reply);
+
+		return;
+	}
+
+	voicecall_set_call_lineid(vc);
+	vc->direction = CALL_DIRECTION_MOBILE_ORIGINATED;
+	voicecall_set_call_status(vc, CDMA_CALL_STATUS_DIALING);
+
+	reply = dbus_message_new_method_return(vc->pending);
+	__ofono_dbus_pending_reply(&vc->pending, reply);
+}
+
+static DBusMessage *voicecall_manager_dial(DBusConnection *conn,
+					DBusMessage *msg, void *data)
+{
+	struct ofono_cdma_voicecall *vc = data;
+	const char *number;
+
+	if (vc->pending)
+		return __ofono_error_busy(msg);
+
+	if (vc->status != CDMA_CALL_STATUS_DISCONNECTED)
+		return __ofono_error_failed(msg);
+
+	if (dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &number,
+					DBUS_TYPE_INVALID) == FALSE)
+		return __ofono_error_invalid_args(msg);
+
+	if (!valid_cdma_phone_number_format(number))
+		return __ofono_error_invalid_format(msg);
+
+	if (vc->driver->dial == NULL)
+		return __ofono_error_not_implemented(msg);
+
+	vc->pending = dbus_message_ref(msg);
+
+	string_to_cdma_phone_number(number, &vc->phone_number);
+	vc->driver->dial(vc, &vc->phone_number, manager_dial_callback, vc);
+
+	return NULL;
+}
+
+static DBusMessage *voicecall_manager_hangup(DBusConnection *conn,
+					DBusMessage *msg, void *data)
+{
+	struct ofono_cdma_voicecall *vc = data;
+
+	if (vc->pending)
+		return __ofono_error_busy(msg);
+
+	if (vc->driver->hangup == NULL)
+		return __ofono_error_not_implemented(msg);
+
+	if (vc->status == CDMA_CALL_STATUS_DISCONNECTED)
+		return __ofono_error_failed(msg);
+
+	vc->pending = dbus_message_ref(msg);
+
+	vc->driver->hangup(vc, generic_callback, vc);
+
+	return NULL;
+}
+
+static GDBusMethodTable manager_methods[] = {
+	{ "GetProperties",    "",    "a{sv}",
+					voicecall_manager_get_properties },
+	{ "Dial",             "s",  "o",        voicecall_manager_dial,
+						G_DBUS_METHOD_FLAG_ASYNC },
+	{ "Hangup",           "",    "",         voicecall_manager_hangup,
+						G_DBUS_METHOD_FLAG_ASYNC },
+	{ }
+};
+
+static GDBusSignalTable manager_signals[] = {
+	{ "PropertyChanged",	"sv" },
+	{ "DisconnectReason",	"s" },
+	{ }
+};
+
+void ofono_cdma_voicecall_disconnected(
+					struct ofono_cdma_voicecall *vc,
+					enum ofono_disconnect_reason reason,
+					const struct ofono_error *error)
+{
+	DBG("Got disconnection event for reason: %d", reason);
+
+	if (reason != OFONO_DISCONNECT_REASON_UNKNOWN)
+		voicecall_emit_disconnect_reason(vc, reason);
+
+	voicecall_set_call_status(vc, CDMA_CALL_STATUS_DISCONNECTED);
+}
+
+int ofono_cdma_voicecall_driver_register(
+		const struct ofono_cdma_voicecall_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_voicecall_driver_unregister(
+		const struct ofono_cdma_voicecall_driver *d)
+{
+	DBG("driver: %p, name: %s", d, d->name);
+
+	g_drivers = g_slist_remove(g_drivers, (void *)d);
+}
+
+static void voicecall_manager_remove(struct ofono_atom *atom)
+{
+	struct ofono_cdma_voicecall *vc = __ofono_atom_get_data(atom);
+
+	DBG("atom: %p", atom);
+
+	if (vc == NULL)
+		return;
+
+	if (vc->driver && vc->driver->remove)
+		vc->driver->remove(vc);
+
+	g_free(vc);
+}
+
+struct ofono_cdma_voicecall *ofono_cdma_voicecall_create(
+						struct ofono_modem *modem,
+						unsigned int vendor,
+						const char *driver,
+						void *data)
+{
+	struct ofono_cdma_voicecall *vc;
+	GSList *l;
+
+	if (driver == NULL)
+		return NULL;
+
+	vc = g_try_new0(struct ofono_cdma_voicecall, 1);
+	if (vc == NULL)
+		return NULL;
+
+	vc->status = CDMA_CALL_STATUS_DISCONNECTED;
+
+	vc->atom = __ofono_modem_add_atom(modem,
+			OFONO_ATOM_TYPE_CDMA_VOICECALL_MANAGER,
+			voicecall_manager_remove, vc);
+
+	for (l = g_drivers; l; l = l->next) {
+		const struct ofono_cdma_voicecall_driver *drv = l->data;
+
+		if (g_strcmp0(drv->name, driver))
+			continue;
+
+		if (drv->probe(vc, vendor, data) < 0)
+			continue;
+
+		vc->driver = drv;
+		break;
+	}
+
+	return vc;
+}
+
+void ofono_cdma_voicecall_register(
+				struct ofono_cdma_voicecall *vc)
+{
+	DBusConnection *conn = ofono_dbus_get_connection();
+	struct ofono_modem *modem = __ofono_atom_get_modem(vc->atom);
+	const char *path = __ofono_atom_get_path(vc->atom);
+
+	if (!g_dbus_register_interface(conn, path,
+					OFONO_CDMA_VOICECALL_MANAGER_INTERFACE,
+					manager_methods, manager_signals, NULL,
+					vc, NULL)) {
+		ofono_error("Could not create %s interface",
+				OFONO_CDMA_VOICECALL_MANAGER_INTERFACE);
+		return;
+	}
+
+	ofono_modem_add_interface(modem,
+			OFONO_CDMA_VOICECALL_MANAGER_INTERFACE);
+}
+
+void ofono_cdma_voicecall_remove(
+			struct ofono_cdma_voicecall *vc)
+{
+	__ofono_atom_free(vc->atom);
+}
+
+void ofono_cdma_voicecall_set_data(
+			struct ofono_cdma_voicecall *vc, void *data)
+{
+	vc->driver_data = data;
+}
+
+void *ofono_cdma_voicecall_get_data(
+			struct ofono_cdma_voicecall *vc)
+{
+	return vc->driver_data;
+}