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p2p: Add ConnectedInterface and ConnectedIP Peer properties

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The are useful for P2P service implementations to know unambiguously
which network interface a new P2P connection is on and the peer's IPv4
address if they need to initiate an IP connection or validate an
incoming connection's address from the peer.
This commit is contained in:
Andrew Zaborowski 2020-07-11 03:00:51 +02:00 committed by Denis Kenzior
parent bafd604834
commit 344fb528ab
1 changed files with 60 additions and 1 deletions
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61
src/p2p.c
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@ -524,6 +524,14 @@ static void p2p_netconfig_event_handler(enum netconfig_event event,
l_dbus_property_changed(dbus_get_bus(),
p2p_peer_get_path(dev->conn_peer),
IWD_P2P_PEER_INTERFACE, "Connected");
l_dbus_property_changed(dbus_get_bus(),
p2p_peer_get_path(dev->conn_peer),
IWD_P2P_PEER_INTERFACE,
"ConnectedInterface");
l_dbus_property_changed(dbus_get_bus(),
p2p_peer_get_path(dev->conn_peer),
IWD_P2P_PEER_INTERFACE,
"ConnectedIP");
break;
default:
@ -640,6 +648,14 @@ static void p2p_netdev_event(struct netdev *netdev, enum netdev_event event,
l_dbus_property_changed(dbus_get_bus(),
p2p_peer_get_path(dev->conn_peer),
IWD_P2P_PEER_INTERFACE, "Connected");
l_dbus_property_changed(dbus_get_bus(),
p2p_peer_get_path(dev->conn_peer),
IWD_P2P_PEER_INTERFACE,
"ConnectedInterface");
l_dbus_property_changed(dbus_get_bus(),
p2p_peer_get_path(dev->conn_peer),
IWD_P2P_PEER_INTERFACE,
"ConnectedIP");
p2p_connection_reset(dev);
break;
default:
@ -2072,9 +2088,16 @@ static void p2p_peer_disconnect(struct p2p_peer *peer)
dbus_pending_reply(&peer->wsc.pending_connect,
dbus_error_aborted(peer->wsc.pending_connect));
if (p2p_peer_operational(peer))
if (p2p_peer_operational(peer)) {
l_dbus_property_changed(dbus_get_bus(), p2p_peer_get_path(peer),
IWD_P2P_PEER_INTERFACE, "Connected");
l_dbus_property_changed(dbus_get_bus(), p2p_peer_get_path(peer),
IWD_P2P_PEER_INTERFACE,
"ConnectedInterface");
l_dbus_property_changed(dbus_get_bus(), p2p_peer_get_path(peer),
IWD_P2P_PEER_INTERFACE,
"ConnectedIP");
}
dev->disconnecting = true;
@ -3519,6 +3542,38 @@ static bool p2p_peer_get_connected(struct l_dbus *dbus,
return true;
}
static bool p2p_peer_get_connected_if(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct p2p_peer *peer = user_data;
const char *ifname = netdev_get_name(peer->dev->conn_netdev);
if (!p2p_peer_operational(peer))
return false;
l_dbus_message_builder_append_basic(builder, 's', ifname);
return true;
}
static bool p2p_peer_get_connected_ip(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
void *user_data)
{
struct p2p_peer *peer = user_data;
char *server_ip;
if (!p2p_peer_operational(peer))
return false;
server_ip = netconfig_get_dhcp_server_ipv4(peer->dev->conn_netconfig);
l_dbus_message_builder_append_basic(builder, 's', server_ip);
l_free(server_ip);
return true;
}
static struct l_dbus_message *p2p_peer_dbus_disconnect(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
@ -3550,6 +3605,10 @@ static void p2p_peer_interface_setup(struct l_dbus_interface *interface)
p2p_peer_get_subcategory, NULL);
l_dbus_interface_property(interface, "Connected", 0, "b",
p2p_peer_get_connected, NULL);
l_dbus_interface_property(interface, "ConnectedInterface", 0, "s",
p2p_peer_get_connected_if, NULL);
l_dbus_interface_property(interface, "ConnectedIP", 0, "s",
p2p_peer_get_connected_ip, NULL);
l_dbus_interface_method(interface, "Disconnect", 0,
p2p_peer_dbus_disconnect, "", "");
}