From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 17 Jan 2019 13:47:57 +0100 Subject: This is the first commit of the hicn project Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f Signed-off-by: Luca Muscariello --- .../transport/core/hicn_forwarder_interface.cc | 84 ++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100755 libtransport/src/hicn/transport/core/hicn_forwarder_interface.cc (limited to 'libtransport/src/hicn/transport/core/hicn_forwarder_interface.cc') diff --git a/libtransport/src/hicn/transport/core/hicn_forwarder_interface.cc b/libtransport/src/hicn/transport/core/hicn_forwarder_interface.cc new file mode 100755 index 000000000..03a294957 --- /dev/null +++ b/libtransport/src/hicn/transport/core/hicn_forwarder_interface.cc @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include + +#define ADDR_INET 1 +#define ADDR_INET6 2 +#define ADD_ROUTE 3 +#define REQUEST_LIGHT 100 + +union AddressLight { + uint32_t ipv4; + struct in6_addr ipv6; +}; + +typedef struct { + uint8_t message_type; + uint8_t command_id; + uint16_t length; + uint32_t seq_num; + char symbolic_or_connid[16]; + union AddressLight address; + uint16_t cost; + uint8_t address_type; + uint8_t len; +} RouteToSelfCommand; + +namespace transport { + +namespace core { + +HicnForwarderInterface::HicnForwarderInterface(SocketConnector &connector) + : ForwarderInterface(connector) {} + +HicnForwarderInterface::~HicnForwarderInterface() {} + +void HicnForwarderInterface::connect(bool is_consumer) { connector_.connect(); } + +void HicnForwarderInterface::registerRoute(Prefix &prefix) { + auto addr = prefix.toSockaddr(); + const char *identifier = {"SELF_ROUTE"}; + + // allocate command payload + RouteToSelfCommand *route_to_self = new RouteToSelfCommand(); + + // check and set IP address + if (addr->sa_family == AF_INET) { + route_to_self->address_type = ADDR_INET; + route_to_self->address.ipv4 = ((Sockaddr4 *)addr.get())->sin_addr.s_addr; + } else if (addr->sa_family == AF_INET6) { + route_to_self->address_type = ADDR_INET6; + route_to_self->address.ipv6 = ((Sockaddr6 *)addr.get())->sin6_addr; + } + + // Fill remaining payload fields + strcpy(route_to_self->symbolic_or_connid, identifier); + route_to_self->cost = 1; + route_to_self->len = prefix.getPrefixLength(); + + // Allocate and fill the header + route_to_self->command_id = ADD_ROUTE; + route_to_self->message_type = REQUEST_LIGHT; + route_to_self->length = 1; + // route_to_self->seq_num not needed for now + + send((uint8_t *)route_to_self, sizeof(RouteToSelfCommand), + [route_to_self]() { delete route_to_self; }); +} + +} // namespace core + +} // namespace transport \ No newline at end of file -- cgit 1.2.3-korg