[connman]Added DBus method for wifi Specific AP Scan.submit/tizen/20170817.042132accepted/tizen/unified/20170818.000126

Change-Id: Ib8f446164242caeb7fbc29c2917eff4b8a5b8bf7
Signed-off-by: Niraj Kumar Goit <niraj.g@samsung.com>

5 files changed, 271 insertions, 0 deletions

diff --git a/include/device.h b/include/device.h
index 57b925c4..dafdca25 100755
--- a/include/device.h
+++ b/include/device.h
@@ -130,6 +130,11 @@ struct connman_device_driver {
 			const char *security, void *user_data);
 	int (*set_regdom) (struct connman_device *device,
 						const char *alpha2);
+#if defined TIZEN_EXT
+	int (*specific_scan) (enum connman_service_type type,
+			struct connman_device *device, int scan_type,
+			GSList *specific_scan_list, void *user_data);
+#endif
 };
 
 int connman_device_driver_register(struct connman_device_driver *driver);
diff --git a/plugins/wifi.c b/plugins/wifi.c
index 24711417..7f99ace5 100755
--- a/plugins/wifi.c
+++ b/plugins/wifi.c
@@ -1831,6 +1831,125 @@ static int p2p_find(struct connman_device *device)
 	return ret;
 }
 
+#if defined TIZEN_EXT
+static void specific_scan_callback(int result, GSupplicantInterface *interface,
+						void *user_data)
+{
+	struct connman_device *device = user_data;
+	struct wifi_data *wifi = connman_device_get_data(device);
+	bool scanning;
+
+	DBG("result %d wifi %p", result, wifi);
+
+	if (wifi && wifi->scan_params) {
+		g_supplicant_free_scan_params(wifi->scan_params);
+		wifi->scan_params = NULL;
+	}
+
+	scanning = connman_device_get_scanning(device);
+	if (scanning) {
+		connman_device_set_scanning(device,
+				CONNMAN_SERVICE_TYPE_WIFI, false);
+		connman_device_unref(device);
+	}
+}
+
+static int wifi_specific_scan(enum connman_service_type type,
+			struct connman_device *device, int scan_type,
+			GSList *specific_scan_list, void *user_data)
+{
+	GSList *list = NULL;
+	char *ssid = NULL;
+	struct wifi_data *wifi = connman_device_get_data(device);
+	GSupplicantScanParams *scan_params = NULL;
+	struct scan_ssid *scan_ssid;
+	bool scanning;
+	int ret;
+	int freq;
+	int count = 0;
+
+	if (!wifi)
+		return -ENODEV;
+
+	if (wifi->p2p_device)
+		return 0;
+
+	if (type == CONNMAN_SERVICE_TYPE_P2P)
+		return p2p_find(device);
+
+	if (wifi->tethering)
+		return 0;
+
+	scanning = connman_device_get_scanning(device);
+	if (scanning)
+		return -EALREADY;
+
+	DBG("scan_type: %d", scan_type);
+	if (scan_type == 1) { /* ssid based scan */
+		scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
+		if (!scan_params)
+			return -ENOMEM;
+
+		scan_ssid = g_try_new0(struct scan_ssid, 1);
+		if (!scan_ssid) {
+			g_free(scan_params);
+			return -ENOMEM;
+		}
+		for (list = specific_scan_list; list; list = list->next) {
+			ssid = (char *)list->data;
+			int ssid_len = strlen(ssid);
+
+			memcpy(scan_ssid->ssid, ssid, (ssid_len + 1));
+			DBG("scan ssid %s len: %d", scan_ssid->ssid, ssid_len);
+			scan_ssid->ssid_len = ssid_len;
+			scan_params->ssids = g_slist_prepend(scan_params->ssids, scan_ssid);
+			count++;
+		}
+		scan_params->num_ssids = count;
+
+	} else if (scan_type == 2) { /* frequency based scan */
+
+		scan_params = g_try_malloc0(sizeof(GSupplicantScanParams));
+		if (!scan_params)
+			return -ENOMEM;
+
+		scan_params->freqs = g_try_new0(uint16_t, 1);
+		if (!scan_params->freqs) {
+			g_free(scan_params);
+			return -ENOMEM;
+		}
+		count = 0;
+		for (list = specific_scan_list; list; list = list->next) {
+			freq = (int)list->data;
+			DBG("freq: %d", freq);
+			scan_params->freqs[count] = freq;
+			count++;
+		}
+		scan_params->num_freqs = count;
+
+	} else {
+		DBG("Invalid scan");
+		return -EINVAL;
+	}
+
+	reset_autoscan(device);
+	connman_device_ref(device);
+
+	ret = g_supplicant_interface_scan(wifi->interface, scan_params,
+						specific_scan_callback, device);
+
+	if (ret == 0) {
+		connman_device_set_scanning(device,
+				CONNMAN_SERVICE_TYPE_WIFI, true);
+	} else {
+		g_supplicant_free_scan_params(scan_params);
+		connman_device_unref(device);
+	}
+
+	return ret;
+}
+#endif
+
 /*
  * Note that the hidden scan is only used when connecting to this specific
  * hidden AP first time. It is not used when system autoconnects to hidden AP.
@@ -2009,6 +2128,9 @@ static struct connman_device_driver wifi_ng_driver = {
 	.disable	= wifi_disable,
 	.scan		= wifi_scan,
 	.set_regdom	= wifi_set_regdom,
+#if defined TIZEN_EXT
+	.specific_scan  = wifi_specific_scan,
+#endif
 };
 
 static void system_ready(void)
diff --git a/src/connman.h b/src/connman.h
index dcd8c7f9..5e257bf6 100755
--- a/src/connman.h
+++ b/src/connman.h
@@ -576,6 +576,10 @@ int __connman_device_request_hidden_scan(struct connman_device *device,
 				const char *ssid, unsigned int ssid_len,
 				const char *identity, const char *passphrase,
 				const char *security, void *user_data);
+#if defined TIZEN_EXT
+int __connman_device_request_specific_scan(enum connman_service_type type,
+				int scan_type, GSList *specific_scan_list);
+#endif
 
 bool __connman_device_isfiltered(const char *devname);
 
diff --git a/src/device.c b/src/device.c
index aff0fa93..acd68da4 100755
--- a/src/device.c
+++ b/src/device.c
@@ -1077,6 +1077,73 @@ void connman_device_regdom_notify(struct connman_device *device,
 	__connman_technology_notify_regdom_by_device(device, result, alpha2);
 }
 
+#if defined TIZEN_EXT
+static int device_specific_scan(enum connman_service_type type,
+				struct connman_device *device,
+				int scan_type, GSList *specific_scan_list)
+{
+	if (!device->driver || !device->driver->specific_scan)
+		return -EOPNOTSUPP;
+
+	if (!device->powered)
+		return -ENOLINK;
+
+	return device->driver->specific_scan(type, device, scan_type,
+			specific_scan_list, NULL);
+}
+
+int __connman_device_request_specific_scan(enum connman_service_type type,
+				int scan_type, GSList *specific_scan_list)
+{
+	bool success = false;
+	int last_err = -ENOSYS;
+	GSList *list;
+	int err;
+
+	switch (type) {
+	case CONNMAN_SERVICE_TYPE_UNKNOWN:
+	case CONNMAN_SERVICE_TYPE_SYSTEM:
+	case CONNMAN_SERVICE_TYPE_ETHERNET:
+	case CONNMAN_SERVICE_TYPE_BLUETOOTH:
+	case CONNMAN_SERVICE_TYPE_CELLULAR:
+	case CONNMAN_SERVICE_TYPE_GPS:
+	case CONNMAN_SERVICE_TYPE_VPN:
+	case CONNMAN_SERVICE_TYPE_GADGET:
+		return -EOPNOTSUPP;
+	case CONNMAN_SERVICE_TYPE_WIFI:
+	case CONNMAN_SERVICE_TYPE_P2P:
+		break;
+	}
+
+	for (list = device_list; list; list = list->next) {
+		struct connman_device *device = list->data;
+		enum connman_service_type service_type =
+			__connman_device_get_service_type(device);
+
+		if (service_type != CONNMAN_SERVICE_TYPE_UNKNOWN) {
+			if (type == CONNMAN_SERVICE_TYPE_P2P) {
+				if (service_type != CONNMAN_SERVICE_TYPE_WIFI)
+					continue;
+			} else if (service_type != type)
+				continue;
+		}
+
+		err = device_specific_scan(type, device, scan_type, specific_scan_list);
+		if (err == 0 || err == -EALREADY || err == -EINPROGRESS) {
+			success = true;
+		} else {
+			last_err = err;
+			DBG("device %p err %d", device, err);
+		}
+	}
+
+	if (success)
+		return 0;
+
+	return last_err;
+}
+#endif
+
 int __connman_device_request_scan(enum connman_service_type type)
 {
 	bool success = false;
diff --git a/src/technology.c b/src/technology.c
index 29707f92..fb39d34f 100755
--- a/src/technology.c
+++ b/src/technology.c
@@ -1173,6 +1173,77 @@ static DBusMessage *scan(DBusConnection *conn, DBusMessage *msg, void *data)
 }
 
 #if defined TIZEN_EXT
+static DBusMessage *specific_scan(DBusConnection *conn, DBusMessage *msg, void *data)
+{
+	struct connman_technology *technology = data;
+	GSList *specific_scan_list = NULL;
+	int scan_type = 0;
+	const char *name = NULL;
+	unsigned int freq = 0;
+	DBusMessageIter iter, dict;
+	int err;
+
+	DBG("technology %p request from %s", technology,
+			dbus_message_get_sender(msg));
+
+	if (!dbus_message_iter_init(msg, &iter))
+		return __connman_error_invalid_arguments(msg);
+
+	if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
+		return __connman_error_invalid_arguments(msg);
+
+	dbus_message_iter_recurse(&iter, &dict);
+	while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+		DBusMessageIter entry, value2;
+		const char *key;
+		int type;
+
+		dbus_message_iter_recurse(&dict, &entry);
+		if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+			return __connman_error_invalid_arguments(msg);
+
+		dbus_message_iter_get_basic(&entry, &key);
+		dbus_message_iter_next(&entry);
+
+		if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
+			return __connman_error_invalid_arguments(msg);
+
+		dbus_message_iter_recurse(&entry, &value2);
+		type = dbus_message_iter_get_arg_type(&value2);
+		if (g_str_equal(key, "SSID")) {
+			if (type != DBUS_TYPE_STRING)
+				return __connman_error_invalid_arguments(msg);
+
+			scan_type = 1; /* SSID based scan */
+			dbus_message_iter_get_basic(&value2, &name);
+			DBG("name %s", name);
+			specific_scan_list = g_slist_append(specific_scan_list, g_strdup(name));
+		} else if (g_str_equal(key, "Frequency")) {
+			if (type != DBUS_TYPE_UINT16) {
+				g_slist_free_full(specific_scan_list, g_free);
+				return __connman_error_invalid_arguments(msg);
+			}
+
+			scan_type = 2; /* Frequency based scan */
+			dbus_message_iter_get_basic(&value2, &freq);
+			DBG("freq %d", freq);
+			specific_scan_list = g_slist_append(specific_scan_list, GINT_TO_POINTER(freq));
+		}
+		dbus_message_iter_next(&dict);
+	}
+
+	dbus_message_ref(msg);
+	technology->scan_pending =
+		g_slist_prepend(technology->scan_pending, msg);
+
+	err = __connman_device_request_specific_scan(technology->type, scan_type, specific_scan_list);
+	if (err < 0)
+		reply_scan_pending(technology, err);
+
+	g_slist_free_full(specific_scan_list, g_free);
+	return NULL;
+}
+
 static DBusMessage *get_scan_state(DBusConnection *conn, DBusMessage *msg, void *data)
 {
 	DBusMessage *reply;
@@ -1216,6 +1287,8 @@ static const GDBusMethodTable technology_methods[] = {
 			GDBUS_ARGS({ "name", "s" }, { "value", "v" }),
 			NULL, set_property) },
 	{ GDBUS_ASYNC_METHOD("Scan", NULL, NULL, scan) },
+	{ GDBUS_ASYNC_METHOD("SpecificScan", GDBUS_ARGS({ "specificscan", "a{sv}" }),
+			NULL, specific_scan) },
 #if defined TIZEN_EXT
 	{ GDBUS_METHOD("GetScanState", NULL, GDBUS_ARGS({ "scan_state", "a{sv}" }),
 			get_scan_state) },