diff options
Diffstat (limited to 'sl4n/facades/wifi/wifi_facade.cpp')
| -rw-r--r-- | sl4n/facades/wifi/wifi_facade.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/sl4n/facades/wifi/wifi_facade.cpp b/sl4n/facades/wifi/wifi_facade.cpp deleted file mode 100644 index f45cf9e..0000000 --- a/sl4n/facades/wifi/wifi_facade.cpp +++ /dev/null @@ -1,205 +0,0 @@ -// -// Copyright (C) 2016 Google, Inc. -// -// 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 <rapidjson/document.h> -#include <rapidjson/writer.h> -#include <rapidjson/stringbuffer.h> -#include <net/if.h> -#include <sys/ioctl.h> -#include <sys/socket.h> - -#include <base.h> -#include <base/at_exit.h> -#include <base/command_line.h> -#include <base/logging.h> -#include <base/macros.h> -#include <base/strings/string_split.h> -#include <base/strings/string_util.h> -#include <utils/command_receiver.h> -#include <utils/common_utils.h> -#include <hardware_legacy/wifi_hal.h> -#include <wifi_system/hal_tool.h> -#include <wifi_system/interface_tool.h> - -#include "wifi_facade.h" - -const char kWlanInterface[] = "wlan0"; -const char kP2pInterface[] = "p2p0"; - -std::tuple<bool, int> WifiFacade::WifiInit() { - if (!WifiStartHal()) { - return std::make_tuple(false, sl4n_error_codes::kFailInt); - } - - if (!WifiGetInterfaces() || wlan0_index == -1) { - return std::make_tuple(false, sl4n_error_codes::kFailInt); - } - - return std::make_tuple(true, sl4n_error_codes::kPassInt); -} - -bool WifiFacade::WifiStartHal() { - android::wifi_system::InterfaceTool if_tool; - if (wifi_hal_handle == NULL) { - android::wifi_system::HalTool hal_tool; - if (!hal_tool.InitFunctionTable(&hal_fn)) { - return false; - } - - if (!if_tool.SetWifiUpState(true)) { - return false; - } - - res = hal_fn.wifi_initialize(&wifi_hal_handle); - return res == WIFI_SUCCESS; - } else { - return if_tool.SetWifiUpState(true); - } -} - -bool WifiFacade::WifiGetInterfaces() { - int num_ifaces; - int result = hal_fn.wifi_get_ifaces(wifi_hal_handle, &num_ifaces, - &wifi_iface_handles); - if (result < 0) { - LOG(ERROR) << sl4n::kTagStr << ": Can not get Wi-Fi interfaces"; - return false; - } - - if (num_ifaces < 0) { - LOG(ERROR) << sl4n::kTagStr << ": Negative number of interfaces"; - return false; - } - - if (wifi_iface_handles == NULL) { - LOG(ERROR) << sl4n::kTagStr - << "wifi_get_ifaces returned null interface array"; - return false; - } - - if (num_ifaces > 8) { - LOG(ERROR) << sl4n::kTagStr - << "wifi_get_ifaces returned too many interfaces"; - return false; - } - - char buf[128]; - for (int i = 0; i < num_ifaces; ++i) { - int result = hal_fn.wifi_get_iface_name(wifi_iface_handles[i], buf, - sizeof(buf)); - if (result < 0) { - LOG(ERROR) << sl4n::kTagStr - << "Can't obtain interface name for interface #" << i; - continue; - } - if (!strcmp(buf, kWlanInterface)) { - wlan0_index = i; - } else if (!strcmp(buf, kP2pInterface)) { - p2p0_index = i; - } - } - - return true; -} - -bool WifiFacade::SharedValidator() { - if (wifi_hal_handle == NULL) { - LOG(ERROR) << sl4n::kTagStr << "HAL handle not initialized"; - return false; - } - - if (wifi_iface_handles == NULL) { - LOG(ERROR) << sl4n::kTagStr << "HAL interfaces not initialized"; - return false; - } - - if (wlan0_index == -1) { - LOG(ERROR) << sl4n::kTagStr << kWlanInterface << " interface not found"; - return false; - } - - return true; -} - -std::tuple<int, int> WifiFacade::WifiGetSupportedFeatureSet() { - if (!SharedValidator()) { - return std::make_tuple(0, sl4n_error_codes::kFailInt); - } - - feature_set set = 0; - int result = hal_fn.wifi_get_supported_feature_set( - wifi_iface_handles[wlan0_index], &set); - if (result == WIFI_SUCCESS) { - return std::make_tuple(set, sl4n_error_codes::kPassInt); - } else { - return std::make_tuple(0, sl4n_error_codes::kFailInt); - } -} - -////////////////// -// wrappers -///////////////// - -static WifiFacade facade; // triggers registration with CommandReceiver - -void wifi_init_wrapper(rapidjson::Document &doc) { - int expected_param_size = 0; - if (!CommonUtils::IsParamLengthMatching(doc, expected_param_size)) { - return; - } - bool result; - int error_code; - std::tie(result, error_code) = facade.WifiInit(); - if (error_code == sl4n_error_codes::kFailInt) { - doc.AddMember(sl4n::kResultStr, false, doc.GetAllocator()); - doc.AddMember(sl4n::kErrorStr, sl4n::kFailStr, doc.GetAllocator()); - } else { - doc.AddMember(sl4n::kResultStr, result, doc.GetAllocator()); - doc.AddMember(sl4n::kErrorStr, NULL, doc.GetAllocator()); - } -} - -void wifi_get_supported_feature_set_wrapper(rapidjson::Document &doc) { - int expected_param_size = 0; - if (!CommonUtils::IsParamLengthMatching(doc, expected_param_size)) { - return; - } - int result; - int error_code; - std::tie(result, error_code) = facade.WifiGetSupportedFeatureSet(); - if (error_code == sl4n_error_codes::kFailInt) { - doc.AddMember(sl4n::kResultStr, false, doc.GetAllocator()); - doc.AddMember(sl4n::kErrorStr, sl4n::kFailStr, doc.GetAllocator()); - } else { - doc.AddMember(sl4n::kResultStr, result, doc.GetAllocator()); - doc.AddMember(sl4n::kErrorStr, NULL, doc.GetAllocator()); - } -} - -//////////////// -// constructor -//////////////// - -WifiFacade::WifiFacade() { - wifi_hal_handle = NULL; - wifi_iface_handles = NULL; - num_wifi_iface_handles = 0; - wlan0_index = -1; - p2p0_index = -1; - - CommandReceiver::RegisterCommand("WifiInit", &wifi_init_wrapper); - CommandReceiver::RegisterCommand("WifiGetSupportedFeatureSet", - &wifi_get_supported_feature_set_wrapper); -} |