| 36 | } |
| 37 | |
| 38 | void netlink_connector::start() { |
| 39 | std::unique_lock its_lock(socket_mutex_); |
| 40 | boost::system::error_code ec; |
| 41 | if (socket_.is_open()) { |
| 42 | // It is inherently unsafe to receive multiple starts |
| 43 | // due to internal data not being protected by mutexes. |
| 44 | |
| 45 | socket_.close(ec); |
| 46 | if (ec) { |
| 47 | VSOMEIP_WARNING << "Error closing NETLINK socket: " << ec.message(); |
| 48 | } |
| 49 | } |
| 50 | socket_.open(nl_protocol(NETLINK_ROUTE), ec); |
| 51 | if (ec) { |
| 52 | VSOMEIP_ERROR << "Error opening NETLINK socket: " << ec.message(); |
| 53 | return; |
| 54 | } |
| 55 | |
| 56 | if (socket_.is_open()) { |
| 57 | int group = RTMGRP_LINK; |
| 58 | |
| 59 | if (address_.is_v4()) { |
| 60 | group |= RTMGRP_IPV4_IFADDR; |
| 61 | } else if (address_.is_v6()) { |
| 62 | group |= RTMGRP_IPV6_IFADDR; |
| 63 | } |
| 64 | |
| 65 | if (multicast_address_.is_v4() && !multicast_address_.is_unspecified()) { |
| 66 | group |= RTMGRP_IPV4_ROUTE; |
| 67 | } else if (multicast_address_.is_v6() && !multicast_address_.is_unspecified()) { |
| 68 | group |= RTMGRP_IPV6_ROUTE; |
| 69 | } |
| 70 | |
| 71 | socket_.bind(nl_endpoint<nl_protocol>(group), ec); |
| 72 | |
| 73 | if (ec && ec != boost::asio::error::address_in_use) { |
| 74 | VSOMEIP_ERROR << "Error binding NETLINK socket: " << ec.message(); |
| 75 | return; |
| 76 | } |
| 77 | |
| 78 | // TODO: replace socket_mutex_ by a proper locking mechanism |
| 79 | its_lock.unlock(); |
| 80 | set_state(state_e::RESET); |
| 81 | socket_.async_receive(boost::asio::buffer(&recv_buffer_[0], recv_buffer_.size()), |
| 82 | std::bind(&netlink_connector::receive_cbk, shared_from_this(), std::placeholders::_1, std::placeholders::_2)); |
| 83 | } else { |
| 84 | VSOMEIP_ERROR << "Error opening NETLINK socket!"; |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | void netlink_connector::set_state(state_e _state) { |
| 89 | // This code is based on the assumption that it cannot be |
nothing calls this directly
no test coverage detected