From f4433f28b509a9f67ca85d79000ccf9c2f4b7a24 Mon Sep 17 00:00:00 2001 From: Mauro Sardara Date: Fri, 21 Feb 2020 11:52:28 +0100 Subject: [HICN-534] Major rework on libtransport organization Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884 Signed-off-by: Mauro Sardara --- .../hicn/transport/core/raw_socket_connector.cc | 202 --------------------- 1 file changed, 202 deletions(-) delete mode 100644 libtransport/src/hicn/transport/core/raw_socket_connector.cc (limited to 'libtransport/src/hicn/transport/core/raw_socket_connector.cc') diff --git a/libtransport/src/hicn/transport/core/raw_socket_connector.cc b/libtransport/src/hicn/transport/core/raw_socket_connector.cc deleted file mode 100644 index 0e1743671..000000000 --- a/libtransport/src/hicn/transport/core/raw_socket_connector.cc +++ /dev/null @@ -1,202 +0,0 @@ -/* - * 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 -#include -#include - -#include -#include -#include -#include -#include -#include - -#define MY_DEST_MAC0 0x0a -#define MY_DEST_MAC1 0x7b -#define MY_DEST_MAC2 0x7c -#define MY_DEST_MAC3 0x1c -#define MY_DEST_MAC4 0x4a -#define MY_DEST_MAC5 0x14 - -namespace transport { - -namespace core { - -RawSocketConnector::RawSocketConnector( - PacketReceivedCallback &&receive_callback, - OnReconnect &&on_reconnect_callback, asio::io_service &io_service, - std::string app_name) - : Connector(std::move(receive_callback), std::move(on_reconnect_callback)), - io_service_(io_service), - socket_(io_service_, raw_protocol(PF_PACKET, SOCK_RAW)), - // resolver_(io_service_), - timer_(io_service_), - read_msg_(packet_pool_.makePtr(nullptr)), - data_available_(false), - app_name_(app_name) { - memset(&link_layer_address_, 0, sizeof(link_layer_address_)); -} - -RawSocketConnector::~RawSocketConnector() {} - -void RawSocketConnector::connect(const std::string &interface_name, - const std::string &mac_address_str) { - state_ = ConnectorState::CONNECTING; - memset(ðernet_header_, 0, sizeof(ethernet_header_)); - struct ifreq ifr; - struct ifreq if_mac; - uint8_t mac_address[6]; - - utils::convertStringToMacAddress(mac_address_str, mac_address); - - // Get interface mac address - int fd = static_cast(socket_.native_handle()); - - /* Get the index of the interface to send on */ - memset(&ifr, 0, sizeof(struct ifreq)); - strncpy(ifr.ifr_name, interface_name.c_str(), interface_name.size()); - - // if (ioctl(fd, SIOCGIFINDEX, &if_idx) < 0) { - // perror("SIOCGIFINDEX"); - // } - - /* Get the MAC address of the interface to send on */ - memset(&if_mac, 0, sizeof(struct ifreq)); - strncpy(if_mac.ifr_name, interface_name.c_str(), interface_name.size()); - if (ioctl(fd, SIOCGIFHWADDR, &if_mac) < 0) { - perror("SIOCGIFHWADDR"); - throw errors::RuntimeException("Interface does not exist"); - } - - /* Ethernet header */ - for (int i = 0; i < 6; i++) { - ethernet_header_.ether_shost[i] = - ((uint8_t *)&if_mac.ifr_hwaddr.sa_data)[i]; - ethernet_header_.ether_dhost[i] = mac_address[i]; - } - - /* Ethertype field */ - ethernet_header_.ether_type = htons(ETH_P_IPV6); - - strcpy(ifr.ifr_name, interface_name.c_str()); - - if (0 == ioctl(fd, SIOCGIFHWADDR, &ifr)) { - memcpy(link_layer_address_.sll_addr, ifr.ifr_hwaddr.sa_data, 6); - } - - // memset(&ifr, 0, sizeof(ifr)); - // ioctl(fd, SIOCGIFFLAGS, &ifr); - // ifr.ifr_flags |= IFF_PROMISC; - // ioctl(fd, SIOCSIFFLAGS, &ifr); - - link_layer_address_.sll_family = AF_PACKET; - link_layer_address_.sll_protocol = htons(ETH_P_ALL); - link_layer_address_.sll_ifindex = if_nametoindex(interface_name.c_str()); - link_layer_address_.sll_hatype = 1; - link_layer_address_.sll_halen = 6; - - // startConnectionTimer(); - doConnect(); - doRecvPacket(); -} - -void RawSocketConnector::send(const uint8_t *packet, std::size_t len, - const PacketSentCallback &packet_sent) { - if (packet_sent != 0) { - socket_.async_send( - asio::buffer(packet, len), - [packet_sent](std::error_code ec, std::size_t /*length*/) { - packet_sent(); - }); - } else { - if (state_ == ConnectorState::CONNECTED) { - socket_.send(asio::buffer(packet, len)); - } - } -} - -void RawSocketConnector::send(const Packet::MemBufPtr &packet) { - io_service_.post([this, packet]() { - bool write_in_progress = !output_buffer_.empty(); - output_buffer_.push_back(std::move(packet)); - if (TRANSPORT_EXPECT_TRUE(state_ == ConnectorState::CONNECTED)) { - if (!write_in_progress) { - doSendPacket(); - } else { - // Tell the handle connect it has data to write - data_available_ = true; - } - } - }); -} - -void RawSocketConnector::close() { - io_service_.post([this]() { socket_.close(); }); -} - -void RawSocketConnector::doSendPacket() { - auto packet = output_buffer_.front().get(); - auto array = std::vector(); - - const utils::MemBuf *current = packet; - do { - array.push_back(asio::const_buffer(current->data(), current->length())); - current = current->next(); - } while (current != packet); - - socket_.async_send( - std::move(array), - [this /*, packet*/](std::error_code ec, std::size_t bytes_transferred) { - if (TRANSPORT_EXPECT_TRUE(!ec)) { - output_buffer_.pop_front(); - if (!output_buffer_.empty()) { - doSendPacket(); - } - } else { - TRANSPORT_LOGE("%d %s", ec.value(), ec.message().c_str()); - } - }); -} - -void RawSocketConnector::doRecvPacket() { - read_msg_ = getPacket(); - socket_.async_receive( - asio::buffer(read_msg_->writableData(), packet_size), - [this](std::error_code ec, std::size_t bytes_transferred) mutable { - if (!ec) { - // Ignore packets that are not for us - uint8_t *dst_mac_address = const_cast(read_msg_->data()); - if (!std::memcmp(dst_mac_address, ethernet_header_.ether_shost, - ETHER_ADDR_LEN)) { - read_msg_->append(bytes_transferred); - read_msg_->trimStart(sizeof(struct ether_header)); - receive_callback_(std::move(read_msg_)); - } - } else { - TRANSPORT_LOGE("%d %s", ec.value(), ec.message().c_str()); - } - doRecvPacket(); - }); -} - -void RawSocketConnector::doConnect() { - state_ = ConnectorState::CONNECTED; - socket_.bind(raw_endpoint(&link_layer_address_, sizeof(link_layer_address_))); -} - -} // end namespace core - -} // end namespace transport -- cgit 1.2.3-korg