1 files changed, 201 insertions, 0 deletions
diff --git a/wifi/1.1/default/wifi.cpp b/wifi/1.1/default/wifi.cpp
new file mode 100644
index 000000000..4ed1f555e
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+++ b/wifi/1.1/default/wifi.cpp
@@ -0,0 +1,201 @@
+/*
+ * 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-base/logging.h>
+
+#include "hidl_return_util.h"
+#include "wifi.h"
+#include "wifi_status_util.h"
+
+namespace {
+// Chip ID to use for the only supported chip.
+static constexpr android::hardware::wifi::V1_0::ChipId kChipId = 0;
+}  // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_1 {
+namespace implementation {
+using hidl_return_util::validateAndCall;
+
+Wifi::Wifi()
+    : legacy_hal_(new legacy_hal::WifiLegacyHal()),
+      mode_controller_(new mode_controller::WifiModeController()),
+      run_state_(RunState::STOPPED) {}
+
+bool Wifi::isValid() {
+  // This object is always valid.
+  return true;
+}
+
+Return<void> Wifi::registerEventCallback(
+    const sp<IWifiEventCallback>& event_callback,
+    registerEventCallback_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_UNKNOWN,
+                         &Wifi::registerEventCallbackInternal,
+                         hidl_status_cb,
+                         event_callback);
+}
+
+Return<bool> Wifi::isStarted() {
+  return run_state_ != RunState::STOPPED;
+}
+
+Return<void> Wifi::start(start_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_UNKNOWN,
+                         &Wifi::startInternal,
+                         hidl_status_cb);
+}
+
+Return<void> Wifi::stop(stop_cb hidl_status_cb) {
+  return validateAndCall(
+      this, WifiStatusCode::ERROR_UNKNOWN, &Wifi::stopInternal, hidl_status_cb);
+}
+
+Return<void> Wifi::getChipIds(getChipIds_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_UNKNOWN,
+                         &Wifi::getChipIdsInternal,
+                         hidl_status_cb);
+}
+
+Return<void> Wifi::getChip(ChipId chip_id, getChip_cb hidl_status_cb) {
+  return validateAndCall(this,
+                         WifiStatusCode::ERROR_UNKNOWN,
+                         &Wifi::getChipInternal,
+                         hidl_status_cb,
+                         chip_id);
+}
+
+WifiStatus Wifi::registerEventCallbackInternal(
+    const sp<IWifiEventCallback>& event_callback) {
+  if (!event_cb_handler_.addCallback(event_callback)) {
+    return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+  }
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus Wifi::startInternal() {
+  if (run_state_ == RunState::STARTED) {
+    return createWifiStatus(WifiStatusCode::SUCCESS);
+  } else if (run_state_ == RunState::STOPPING) {
+    return createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE,
+                            "HAL is stopping");
+  }
+  WifiStatus wifi_status = initializeLegacyHal();
+  if (wifi_status.code == WifiStatusCode::SUCCESS) {
+    // Create the chip instance once the HAL is started.
+    chip_ = new WifiChip(kChipId, legacy_hal_, mode_controller_);
+    run_state_ = RunState::STARTED;
+    for (const auto& callback : event_cb_handler_.getCallbacks()) {
+      if (!callback->onStart().isOk()) {
+        LOG(ERROR) << "Failed to invoke onStart callback";
+      };
+    }
+  } else {
+    for (const auto& callback : event_cb_handler_.getCallbacks()) {
+      if (!callback->onFailure(wifi_status).isOk()) {
+        LOG(ERROR) << "Failed to invoke onFailure callback";
+      }
+    }
+  }
+  LOG(INFO) << "Wifi HAL started";
+  return wifi_status;
+}
+
+WifiStatus Wifi::stopInternal() {
+  if (run_state_ == RunState::STOPPED) {
+    return createWifiStatus(WifiStatusCode::SUCCESS);
+  } else if (run_state_ == RunState::STOPPING) {
+    return createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE,
+                            "HAL is stopping");
+  }
+  WifiStatus wifi_status = stopLegacyHalAndDeinitializeModeController();
+  if (wifi_status.code == WifiStatusCode::SUCCESS) {
+    for (const auto& callback : event_cb_handler_.getCallbacks()) {
+      if (!callback->onStop().isOk()) {
+        LOG(ERROR) << "Failed to invoke onStop callback";
+      };
+    }
+  } else {
+    for (const auto& callback : event_cb_handler_.getCallbacks()) {
+      if (!callback->onFailure(wifi_status).isOk()) {
+        LOG(ERROR) << "Failed to invoke onFailure callback";
+      }
+    }
+  }
+  // Clear the chip object and its child objects since the HAL is now
+  // stopped.
+  if (chip_.get()) {
+    chip_->invalidate();
+    chip_.clear();
+  }
+  LOG(INFO) << "Wifi HAL stopped";
+  return wifi_status;
+}
+
+std::pair<WifiStatus, std::vector<ChipId>> Wifi::getChipIdsInternal() {
+  std::vector<ChipId> chip_ids;
+  if (chip_.get()) {
+    chip_ids.emplace_back(kChipId);
+  }
+  return {createWifiStatus(WifiStatusCode::SUCCESS), std::move(chip_ids)};
+}
+
+std::pair<WifiStatus, sp<IWifiChip>> Wifi::getChipInternal(ChipId chip_id) {
+  if (!chip_.get()) {
+    return {createWifiStatus(WifiStatusCode::ERROR_NOT_STARTED), nullptr};
+  }
+  if (chip_id != kChipId) {
+    return {createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS), nullptr};
+  }
+  return {createWifiStatus(WifiStatusCode::SUCCESS), chip_};
+}
+
+WifiStatus Wifi::initializeLegacyHal() {
+  legacy_hal::wifi_error legacy_status = legacy_hal_->initialize();
+  if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+    LOG(ERROR) << "Failed to initialize legacy HAL: "
+               << legacyErrorToString(legacy_status);
+    return createWifiStatusFromLegacyError(legacy_status);
+  }
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+WifiStatus Wifi::stopLegacyHalAndDeinitializeModeController() {
+  run_state_ = RunState::STOPPING;
+  const auto on_complete_callback_ = [&]() { run_state_ = RunState::STOPPED; };
+  legacy_hal::wifi_error legacy_status =
+      legacy_hal_->stop(on_complete_callback_);
+  if (legacy_status != legacy_hal::WIFI_SUCCESS) {
+    LOG(ERROR) << "Failed to stop legacy HAL: "
+               << legacyErrorToString(legacy_status);
+    return createWifiStatusFromLegacyError(legacy_status);
+  }
+  if (!mode_controller_->deinitialize()) {
+    LOG(ERROR) << "Failed to deinitialize firmware mode controller";
+    return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+  }
+  return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+}  // namespace implementation
+}  // namespace V1_1
+}  // namespace wifi
+}  // namespace hardware
+}  // namespace android