From 4b84df01d14fc8f4b10164833a3d25010acc9e18 Mon Sep 17 00:00:00 2001
From: Samuel Ortiz <sameo@linux.intel.com>
Date: Tue, 31 Jan 2012 15:06:41 +0100
Subject: [PATCH] adapter: Implement Powered property handling

---
 src/adapter.c | 30 ++++++++++++++++++++++++++++++
 src/near.h    |  1 +
 src/netlink.c | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 69 insertions(+)

diff --git a/src/adapter.c b/src/adapter.c
index 06ed957..fb1cdf3 100644
--- a/src/adapter.c
+++ b/src/adapter.c
@@ -236,8 +236,38 @@ static DBusMessage *get_properties(DBusConnection *conn,
 static DBusMessage *set_property(DBusConnection *conn,
 					DBusMessage *msg, void *data)
 {
+	struct near_adapter *adapter = data;
+	DBusMessageIter iter, value;
+	const char *name;
+	int type, err;
+
 	DBG("conn %p", conn);
 
+	if (dbus_message_iter_init(msg, &iter) == FALSE)
+		return __near_error_invalid_arguments(msg);
+
+	dbus_message_iter_get_basic(&iter, &name);
+	dbus_message_iter_next(&iter);
+	dbus_message_iter_recurse(&iter, &value);
+
+	type = dbus_message_iter_get_arg_type(&value);
+
+	if (g_str_equal(name, "Powered") == TRUE) {
+		near_bool_t powered;
+
+		if (type != DBUS_TYPE_BOOLEAN)
+			return __near_error_invalid_arguments(msg);
+
+		dbus_message_iter_get_basic(&value, &powered);
+
+		err = __near_netlink_adapter_enable(adapter->idx, powered);
+		if (err < 0)
+			return __near_error_failed(msg, -err);
+
+		adapter->powered = powered;
+	} else
+		return __near_error_invalid_property(msg);
+
 	return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
 }
 
diff --git a/src/near.h b/src/near.h
index 153091b..74e501d 100644
--- a/src/near.h
+++ b/src/near.h
@@ -134,6 +134,7 @@ int __near_netlink_stop_poll(int idx);
 int __near_netlink_dep_link_up(uint32_t idx, uint32_t target_idx,
 				uint8_t comm_mode, uint8_t rf_mode);
 int __near_netlink_dep_link_down(uint32_t idx);
+int __near_netlink_adapter_enable(int idx, near_bool_t enable);
 int __near_netlink_activate_target(uint32_t adapter_idx,
 					uint32_t target_idx,
 					uint32_t protocol);
diff --git a/src/netlink.c b/src/netlink.c
index 8ddd091..68777bd 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -347,6 +347,44 @@ nla_put_failure:
 	return err;
 }
 
+int __near_netlink_adapter_enable(int idx, near_bool_t enable)
+{
+	struct nl_msg *msg;
+	void *hdr;
+	int family, err = 0;
+	uint8_t cmd;
+
+	DBG("");
+
+	msg = nlmsg_alloc();
+	if (msg == NULL)
+		return -ENOMEM;
+
+	family = genl_family_get_id(nfc_state->nlnfc);
+
+	if (enable == TRUE)
+		cmd = NFC_CMD_DEV_UP;
+	else
+		cmd = NFC_CMD_DEV_DOWN;
+
+	hdr = genlmsg_put(msg, NL_AUTO_PID, NL_AUTO_SEQ, family, 0,
+			NLM_F_REQUEST, cmd, NFC_GENL_VERSION);
+	if (hdr == NULL) {
+		err = -EINVAL;
+		goto nla_put_failure;
+	}
+
+	NLA_PUT_U32(msg, NFC_ATTR_DEVICE_INDEX, idx);
+
+	err = nl_send_msg(nfc_state->nl_sock, msg, NULL, NULL);
+
+nla_put_failure:
+	nlmsg_free(msg);
+
+	return err;
+}
+
+
 static int no_seq_check(struct nl_msg *n, void *arg)
 {
 	DBG("");
-- 
2.7.4