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/*
* Copyright (C) 2016 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 <android/log.h>
#include <wifi_system/interface_tool.h>
#include "wifi_hidl_call_util.h"
#include "wifi_hidl_test_utils.h"
using ::android::hardware::wifi::V1_0::IWifi;
using ::android::hardware::wifi::V1_0::IWifiApIface;
using ::android::hardware::wifi::V1_0::IWifiChip;
using ::android::hardware::wifi::V1_0::IWifiIface;
using ::android::hardware::wifi::V1_0::IWifiNanIface;
using ::android::hardware::wifi::V1_0::IWifiP2pIface;
using ::android::hardware::wifi::V1_0::IWifiRttController;
using ::android::hardware::wifi::V1_0::IWifiStaIface;
using ::android::hardware::wifi::V1_0::ChipModeId;
using ::android::hardware::wifi::V1_0::ChipId;
using ::android::hardware::wifi::V1_0::IfaceType;
using ::android::hardware::wifi::V1_0::WifiStatus;
using ::android::hardware::wifi::V1_0::WifiStatusCode;
using ::android::sp;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::wifi_system::InterfaceTool;
namespace {
constexpr uint32_t kHalStartRetryMaxCount = 5;
constexpr uint32_t kHalStartRetryIntervalInMs = 2;
bool findAnyModeSupportingIfaceType(
IfaceType desired_type, const std::vector<IWifiChip::ChipMode>& modes,
ChipModeId* mode_id) {
for (const auto& mode : modes) {
for (const auto& combination : mode.availableCombinations) {
for (const auto& iface_limit : combination.limits) {
const auto& iface_types = iface_limit.types;
if (std::find(iface_types.begin(), iface_types.end(),
desired_type) != iface_types.end()) {
*mode_id = mode.id;
return true;
}
}
}
}
return false;
}
bool configureChipToSupportIfaceTypeInternal(const sp<IWifiChip>& wifi_chip,
IfaceType type,
ChipModeId* configured_mode_id) {
if (!configured_mode_id) {
return false;
}
const auto& status_and_modes = HIDL_INVOKE(wifi_chip, getAvailableModes);
if (status_and_modes.first.code != WifiStatusCode::SUCCESS) {
return false;
}
if (!findAnyModeSupportingIfaceType(type, status_and_modes.second,
configured_mode_id)) {
return false;
}
if (HIDL_INVOKE(wifi_chip, configureChip, *configured_mode_id).code !=
WifiStatusCode::SUCCESS) {
return false;
}
return true;
}
bool configureChipToSupportIfaceTypeInternal(const sp<IWifiChip>& wifi_chip,
IfaceType type) {
ChipModeId mode_id;
return configureChipToSupportIfaceTypeInternal(wifi_chip, type, &mode_id);
}
} // namespace
sp<IWifi> getWifi(const std::string& instance_name) {
return IWifi::getService(instance_name);
}
sp<IWifiChip> getWifiChip(const std::string& instance_name) {
sp<IWifi> wifi = getWifi(instance_name);
if (!wifi.get()) {
return nullptr;
}
uint32_t retry_count = 0;
auto status = HIDL_INVOKE(wifi, start);
while (retry_count < kHalStartRetryMaxCount &&
status.code == WifiStatusCode::ERROR_NOT_AVAILABLE) {
retry_count++;
usleep(kHalStartRetryIntervalInMs * 1000);
status = HIDL_INVOKE(wifi, start);
}
if (status.code != WifiStatusCode::SUCCESS) {
return nullptr;
}
const auto& status_and_chip_ids = HIDL_INVOKE(wifi, getChipIds);
const auto& chip_ids = status_and_chip_ids.second;
if (status_and_chip_ids.first.code != WifiStatusCode::SUCCESS ||
chip_ids.size() != 1) {
return nullptr;
}
const auto& status_and_chip = HIDL_INVOKE(wifi, getChip, chip_ids[0]);
if (status_and_chip.first.code != WifiStatusCode::SUCCESS) {
return nullptr;
}
return status_and_chip.second;
}
void setIfaceUp(const sp<IWifiIface>& iface) {
// Set the iface up before retrurning the object.
const auto& status_and_name = HIDL_INVOKE(iface, getName);
if (status_and_name.first.code == WifiStatusCode::SUCCESS) {
const auto& iface_name = status_and_name.second;
InterfaceTool iface_tool;
iface_tool.SetUpState(iface_name.c_str(), true);
}
}
sp<IWifiApIface> getWifiApIface(const std::string& instance_name) {
sp<IWifiChip> wifi_chip = getWifiChip(instance_name);
if (!wifi_chip.get()) {
return nullptr;
}
if (!configureChipToSupportIfaceTypeInternal(wifi_chip, IfaceType::AP)) {
return nullptr;
}
const auto& status_and_iface = HIDL_INVOKE(wifi_chip, createApIface);
if (status_and_iface.first.code != WifiStatusCode::SUCCESS) {
return nullptr;
}
setIfaceUp(status_and_iface.second);
return status_and_iface.second;
}
sp<IWifiNanIface> getWifiNanIface(const std::string& instance_name) {
sp<IWifiChip> wifi_chip = getWifiChip(instance_name);
if (!wifi_chip.get()) {
return nullptr;
}
if (!configureChipToSupportIfaceTypeInternal(wifi_chip, IfaceType::NAN)) {
return nullptr;
}
const auto& status_and_iface = HIDL_INVOKE(wifi_chip, createNanIface);
if (status_and_iface.first.code != WifiStatusCode::SUCCESS) {
return nullptr;
}
setIfaceUp(status_and_iface.second);
return status_and_iface.second;
}
sp<IWifiP2pIface> getWifiP2pIface(const std::string& instance_name) {
sp<IWifiChip> wifi_chip = getWifiChip(instance_name);
if (!wifi_chip.get()) {
return nullptr;
}
if (!configureChipToSupportIfaceTypeInternal(wifi_chip, IfaceType::P2P)) {
return nullptr;
}
const auto& status_and_iface = HIDL_INVOKE(wifi_chip, createP2pIface);
if (status_and_iface.first.code != WifiStatusCode::SUCCESS) {
return nullptr;
}
setIfaceUp(status_and_iface.second);
return status_and_iface.second;
}
sp<IWifiStaIface> getWifiStaIface(const std::string& instance_name) {
sp<IWifiChip> wifi_chip = getWifiChip(instance_name);
if (!wifi_chip.get()) {
return nullptr;
}
if (!configureChipToSupportIfaceTypeInternal(wifi_chip, IfaceType::STA)) {
return nullptr;
}
const auto& status_and_iface = HIDL_INVOKE(wifi_chip, createStaIface);
if (status_and_iface.first.code != WifiStatusCode::SUCCESS) {
return nullptr;
}
setIfaceUp(status_and_iface.second);
return status_and_iface.second;
}
bool configureChipToSupportIfaceType(const sp<IWifiChip>& wifi_chip,
IfaceType type,
ChipModeId* configured_mode_id) {
return configureChipToSupportIfaceTypeInternal(wifi_chip, type,
configured_mode_id);
}
void stopWifi(const std::string& instance_name) {
sp<IWifi> wifi = IWifi::getService(instance_name);
ASSERT_NE(wifi, nullptr);
HIDL_INVOKE(wifi, stop);
}
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