| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 "common/vsoc/lib/wifi_exchange_view.h" |
| |
| #include <algorithm> |
| #include <string> |
| |
| #include <linux/if_ether.h> |
| #include "common/vsoc/lib/circqueue_impl.h" |
| |
| namespace vsoc { |
| namespace wifi { |
| |
| intptr_t WifiExchangeView::Send(const void* buffer, intptr_t length) { |
| #ifdef CUTTLEFISH_HOST |
| return data()->guest_ingress.Write(this, static_cast<const char*>(buffer), |
| length); |
| #else |
| return data()->guest_egress.Write(this, static_cast<const char*>(buffer), |
| length); |
| #endif |
| } |
| |
| intptr_t WifiExchangeView::Recv(void* buffer, intptr_t max_length) { |
| #ifdef CUTTLEFISH_HOST |
| return data()->guest_egress.Read(this, static_cast<char*>(buffer), |
| max_length); |
| #else |
| return data()->guest_ingress.Read(this, static_cast<char*>(buffer), |
| max_length); |
| #endif |
| } |
| |
| void WifiExchangeView::SetGuestMACAddress( |
| const WifiExchangeView::MacAddress& mac_address) { |
| std::copy(std::begin(mac_address), |
| std::end(mac_address), |
| std::begin(data()->guest_mac_address)); |
| } |
| |
| WifiExchangeView::MacAddress WifiExchangeView::GetGuestMACAddress() { |
| WifiExchangeView::MacAddress ret; |
| std::copy(std::begin(data()->guest_mac_address), |
| std::end(data()->guest_mac_address), |
| std::begin(ret)); |
| return ret; |
| } |
| |
| void WifiExchangeView::SetHostMACAddress( |
| const WifiExchangeView::MacAddress& mac_address) { |
| std::copy(std::begin(mac_address), |
| std::end(mac_address), |
| std::begin(data()->host_mac_address)); |
| } |
| |
| WifiExchangeView::MacAddress WifiExchangeView::GetHostMACAddress() { |
| WifiExchangeView::MacAddress ret; |
| std::copy(std::begin(data()->host_mac_address), |
| std::end(data()->host_mac_address), |
| std::begin(ret)); |
| return ret; |
| } |
| |
| // static |
| bool WifiExchangeView::ParseMACAddress(const std::string& s, |
| WifiExchangeView::MacAddress* mac) { |
| char dummy; |
| // This is likely to always be true, but better safe than sorry |
| static_assert(std::tuple_size<WifiExchangeView::MacAddress>::value == 6, |
| "Mac address size has changed"); |
| if (sscanf(s.c_str(), |
| "%2hhx:%2hhx:%2hhx:%2hhx:%2hhx:%2hhx%c", |
| &(*mac)[0], |
| &(*mac)[1], |
| &(*mac)[2], |
| &(*mac)[3], |
| &(*mac)[4], |
| &(*mac)[5], |
| &dummy) != 6) { |
| return false; |
| } |
| return true; |
| } |
| |
| // static |
| std::string WifiExchangeView::MacAddressToString( |
| const WifiExchangeView::MacAddress& mac) { |
| char buffer[3 * mac.size()]; |
| // This is likely to always be true, but better safe than sorry |
| static_assert(std::tuple_size<WifiExchangeView::MacAddress>::value == 6, |
| "Mac address size has changed"); |
| snprintf(buffer, |
| sizeof(buffer), |
| "%02x:%02x:%02x:%02x:%02x:%02x", |
| mac[0], |
| mac[1], |
| mac[2], |
| mac[3], |
| mac[4], |
| mac[5]); |
| return std::string(buffer); |
| } |
| |
| } // namespace wifi |
| } // namespace vsoc |