| 48 | } |
| 49 | |
| 50 | void udp_client_endpoint_impl::connect() { |
| 51 | std::unique_lock its_lock(socket_mutex_); |
| 52 | boost::system::error_code its_error; |
| 53 | socket_->open(remote_.protocol(), its_error); |
| 54 | if (!its_error || its_error == boost::asio::error::already_open) { |
| 55 | // Enable SO_REUSEADDR to avoid bind problems with services going offline |
| 56 | // and coming online again and the user has specified only a small number |
| 57 | // of ports in the clients section for one service instance |
| 58 | socket_->set_option(boost::asio::socket_base::reuse_address(true), its_error); |
| 59 | if (its_error) { |
| 60 | VSOMEIP_WARNING_P << "Couldn't enable SO_REUSEADDR: " << its_error.message() << " remote:" << get_address_port_remote(); |
| 61 | } |
| 62 | socket_->set_option(boost::asio::socket_base::receive_buffer_size(static_cast<int>(udp_receive_buffer_size_)), its_error); |
| 63 | if (its_error) { |
| 64 | VSOMEIP_WARNING_P << "Couldn't set SO_RCVBUF: " << its_error.message() << " to: " << udp_receive_buffer_size_ |
| 65 | << " local port:" << local_.port() << " remote:" << get_address_port_remote(); |
| 66 | } |
| 67 | |
| 68 | boost::asio::socket_base::receive_buffer_size its_option; |
| 69 | socket_->get_option(its_option, its_error); |
| 70 | #ifdef __linux__ |
| 71 | // If regular setting of the buffer size did not work, try to force |
| 72 | // (requires CAP_NET_ADMIN to be successful) |
| 73 | if (its_option.value() < 0 || its_option.value() < udp_receive_buffer_size_) { |
| 74 | socket_->set_option(udp_receive_buffer_force{udp_receive_buffer_size_}, its_error); |
| 75 | if (!its_error) { |
| 76 | VSOMEIP_INFO_P << "SO_RCVBUFFORCE successful!"; |
| 77 | } else { |
| 78 | VSOMEIP_INFO_P << "SO_RCVBUFFORCE failed, " << its_error.message(); |
| 79 | its_error = {}; |
| 80 | } |
| 81 | socket_->get_option(its_option, its_error); |
| 82 | } |
| 83 | #endif |
| 84 | if (its_error) { |
| 85 | VSOMEIP_WARNING_P << "Couldn't get SO_RCVBUF: " << its_error.message() << " local port:" << local_.port() |
| 86 | << " remote:" << get_address_port_remote(); |
| 87 | } else { |
| 88 | VSOMEIP_INFO_P << "SO_RCVBUF is: " << its_option.value() << " (" << udp_receive_buffer_size_ << ")" |
| 89 | << " local port:" << local_.port() << " remote:" << get_address_port_remote(); |
| 90 | } |
| 91 | |
| 92 | if (local_.port() == ILLEGAL_PORT) { |
| 93 | // Let the OS assign the port |
| 94 | local_.port(0); |
| 95 | } |
| 96 | |
| 97 | #if defined(__linux__) || defined(__QNX__) |
| 98 | // If specified, bind to device |
| 99 | std::string its_device(configuration_->get_device()); |
| 100 | if (its_device != "") { |
| 101 | boost::system::error_code its_ec{}; |
| 102 | socket_->set_option(udp_bind_to_device{its_device}, its_ec); |
| 103 | if (its_ec) { |
| 104 | VSOMEIP_WARNING_P << "Could not bind to device \"" << its_device << "\", " << its_ec.message(); |
| 105 | } |
| 106 | } |
| 107 | #endif |
nothing calls this directly
no test coverage detected