| /* |
| * |
| * Copyright (c) 2020-2021 Project CHIP Authors |
| * Copyright (c) 2018 Nest Labs, 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. |
| */ |
| |
| /** |
| * @file |
| * Provides an implementation of the BLEManager singleton object |
| * for Linux platforms. |
| */ |
| #include <platform/internal/CHIPDeviceLayerInternal.h> |
| |
| #include <ble/CHIPBleServiceData.h> |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/SafeInt.h> |
| #include <new> |
| #include <platform/CommissionableDataProvider.h> |
| #include <platform/internal/BLEManager.h> |
| |
| #include <cassert> |
| #include <type_traits> |
| #include <utility> |
| |
| #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
| |
| #include "bluez/Helper.h" |
| |
| using namespace ::nl; |
| using namespace ::chip::Ble; |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| namespace { |
| |
| static constexpr System::Clock::Timeout kNewConnectionScanTimeout = System::Clock::Seconds16(10); |
| static constexpr System::Clock::Timeout kConnectTimeout = System::Clock::Seconds16(10); |
| |
| const ChipBleUUID ChipUUID_CHIPoBLEChar_RX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F, |
| 0x9D, 0x11 } }; |
| const ChipBleUUID ChipUUID_CHIPoBLEChar_TX = { { 0x18, 0xEE, 0x2E, 0xF5, 0x26, 0x3D, 0x45, 0x59, 0x95, 0x9F, 0x4F, 0x9C, 0x42, 0x9F, |
| 0x9D, 0x12 } }; |
| |
| void HandleConnectTimeout(chip::System::Layer *, void * apEndpoint) |
| { |
| assert(apEndpoint != nullptr); |
| |
| CancelConnect(static_cast<BluezEndpoint *>(apEndpoint)); |
| BLEManagerImpl::HandleConnectFailed(CHIP_ERROR_TIMEOUT); |
| } |
| |
| } // namespace |
| |
| BLEManagerImpl BLEManagerImpl::sInstance; |
| |
| void HandleIncomingBleConnection(BLEEndPoint * bleEP) |
| { |
| ChipLogProgress(DeviceLayer, "CHIPoBluez con rcvd"); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_Init() |
| { |
| CHIP_ERROR err; |
| |
| err = BleLayer::Init(this, this, this, &DeviceLayer::SystemLayer()); |
| SuccessOrExit(err); |
| |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled; |
| mFlags.ClearAll().Set(Flags::kAdvertisingEnabled, CHIP_DEVICE_CONFIG_CHIPOBLE_ENABLE_ADVERTISING_AUTOSTART && !mIsCentral); |
| mFlags.Set(Flags::kFastAdvertisingEnabled, true); |
| |
| memset(mDeviceName, 0, sizeof(mDeviceName)); |
| |
| OnChipBleConnectReceived = HandleIncomingBleConnection; |
| |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| |
| exit: |
| return err; |
| } |
| |
| void BLEManagerImpl::_Shutdown() |
| { |
| // ensure scan resources are cleared (e.g. timeout timers) |
| mDeviceScanner.reset(); |
| // Release BLE connection resources (unregister from BlueZ). |
| ShutdownBluezBleLayer(mpEndpoint); |
| mFlags.Clear(Flags::kBluezBLELayerInitialized); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetAdvertisingEnabled(bool val) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| if (mFlags.Has(Flags::kAdvertisingEnabled) != val) |
| { |
| mFlags.Set(Flags::kAdvertisingEnabled, val); |
| } |
| |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetAdvertisingMode(BLEAdvertisingMode mode) |
| { |
| switch (mode) |
| { |
| case BLEAdvertisingMode::kFastAdvertising: |
| mFlags.Set(Flags::kFastAdvertisingEnabled, true); |
| break; |
| case BLEAdvertisingMode::kSlowAdvertising: |
| mFlags.Set(Flags::kFastAdvertisingEnabled, false); |
| break; |
| default: |
| return CHIP_ERROR_INVALID_ARGUMENT; |
| } |
| mFlags.Set(Flags::kAdvertisingRefreshNeeded); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_GetDeviceName(char * buf, size_t bufSize) |
| { |
| if (strlen(mDeviceName) >= bufSize) |
| { |
| return CHIP_ERROR_BUFFER_TOO_SMALL; |
| } |
| strcpy(buf, mDeviceName); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetDeviceName(const char * deviceName) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| VerifyOrExit(mServiceMode != ConnectivityManager::kCHIPoBLEServiceMode_NotSupported, err = CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE); |
| |
| if (deviceName != nullptr && deviceName[0] != 0) |
| { |
| VerifyOrExit(strlen(deviceName) < kMaxDeviceNameLength, err = CHIP_ERROR_INVALID_ARGUMENT); |
| strcpy(mDeviceName, deviceName); |
| mFlags.Set(Flags::kUseCustomDeviceName); |
| } |
| else |
| { |
| uint16_t discriminator; |
| SuccessOrExit(err = GetCommissionableDataProvider()->GetSetupDiscriminator(discriminator)); |
| snprintf(mDeviceName, sizeof(mDeviceName), "%s%04u", CHIP_DEVICE_CONFIG_BLE_DEVICE_NAME_PREFIX, discriminator); |
| mDeviceName[kMaxDeviceNameLength] = 0; |
| mFlags.Clear(Flags::kUseCustomDeviceName); |
| } |
| |
| exit: |
| return err; |
| } |
| |
| uint16_t BLEManagerImpl::_NumConnections() |
| { |
| uint16_t numCons = 0; |
| return numCons; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::ConfigureBle(uint32_t aAdapterId, bool aIsCentral) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| mBLEAdvConfig.mpBleName = mDeviceName; |
| mBLEAdvConfig.mAdapterId = aAdapterId; |
| mBLEAdvConfig.mMajor = 1; |
| mBLEAdvConfig.mMinor = 1; |
| mBLEAdvConfig.mVendorId = 1; |
| mBLEAdvConfig.mProductId = 1; |
| mBLEAdvConfig.mDeviceId = 1; |
| mBLEAdvConfig.mDuration = 2; |
| mBLEAdvConfig.mPairingStatus = 0; |
| mBLEAdvConfig.mType = ChipAdvType::BLUEZ_ADV_TYPE_UNDIRECTED_CONNECTABLE_SCANNABLE; |
| mBLEAdvConfig.mpAdvertisingUUID = "0xFFF6"; |
| |
| mIsCentral = aIsCentral; |
| |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::StartBLEAdvertising() |
| { |
| return StartBluezAdv(mpEndpoint); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::StopBLEAdvertising() |
| { |
| return StopBluezAdv(mpEndpoint); |
| } |
| |
| void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event) |
| { |
| switch (event->Type) |
| { |
| case DeviceEventType::kCHIPoBLESubscribe: |
| HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX); |
| { |
| ChipDeviceEvent connectionEvent; |
| connectionEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished; |
| PlatformMgr().PostEventOrDie(&connectionEvent); |
| } |
| break; |
| |
| case DeviceEventType::kCHIPoBLEUnsubscribe: |
| HandleUnsubscribeReceived(event->CHIPoBLEUnsubscribe.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX); |
| break; |
| |
| case DeviceEventType::kCHIPoBLEWriteReceived: |
| HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_RX, |
| PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data)); |
| break; |
| |
| case DeviceEventType::kCHIPoBLEIndicateConfirm: |
| HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX); |
| break; |
| |
| case DeviceEventType::kCHIPoBLEConnectionError: |
| HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason); |
| break; |
| case DeviceEventType::kServiceProvisioningChange: |
| // Force the advertising configuration to be refreshed to reflect new provisioning state. |
| mFlags.Clear(Flags::kAdvertisingConfigured); |
| |
| DriveBLEState(); |
| break; |
| default: |
| HandlePlatformSpecificBLEEvent(event); |
| break; |
| } |
| } |
| |
| void BLEManagerImpl::HandlePlatformSpecificBLEEvent(const ChipDeviceEvent * apEvent) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| bool controlOpComplete = false; |
| ChipLogDetail(DeviceLayer, "HandlePlatformSpecificBLEEvent %d", apEvent->Type); |
| switch (apEvent->Type) |
| { |
| case DeviceEventType::kPlatformLinuxBLECentralConnected: |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| { |
| BleConnectionDelegate::OnConnectionComplete(mBLEScanConfig.mAppState, |
| apEvent->Platform.BLECentralConnected.mConnection); |
| CleanScanConfig(); |
| } |
| break; |
| case DeviceEventType::kPlatformLinuxBLECentralConnectFailed: |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| { |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, apEvent->Platform.BLECentralConnectFailed.mError); |
| CleanScanConfig(); |
| } |
| break; |
| case DeviceEventType::kPlatformLinuxBLEWriteComplete: |
| HandleWriteConfirmation(apEvent->Platform.BLEWriteComplete.mConnection, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_RX); |
| break; |
| case DeviceEventType::kPlatformLinuxBLESubscribeOpComplete: |
| if (apEvent->Platform.BLESubscribeOpComplete.mIsSubscribed) |
| HandleSubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &CHIP_BLE_SVC_ID, |
| &ChipUUID_CHIPoBLEChar_TX); |
| else |
| HandleUnsubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &CHIP_BLE_SVC_ID, |
| &ChipUUID_CHIPoBLEChar_TX); |
| break; |
| case DeviceEventType::kPlatformLinuxBLEIndicationReceived: |
| HandleIndicationReceived(apEvent->Platform.BLEIndicationReceived.mConnection, &CHIP_BLE_SVC_ID, &ChipUUID_CHIPoBLEChar_TX, |
| PacketBufferHandle::Adopt(apEvent->Platform.BLEIndicationReceived.mData)); |
| break; |
| case DeviceEventType::kPlatformLinuxBLEPeripheralAdvConfiguredComplete: |
| VerifyOrExit(apEvent->Platform.BLEPeripheralAdvConfiguredComplete.mIsSuccess, err = CHIP_ERROR_INCORRECT_STATE); |
| sInstance.mFlags.Set(Flags::kAdvertisingConfigured).Clear(Flags::kControlOpInProgress); |
| controlOpComplete = true; |
| ChipLogProgress(DeviceLayer, "CHIPoBLE advertising config complete"); |
| break; |
| case DeviceEventType::kPlatformLinuxBLEPeripheralAdvStartComplete: |
| VerifyOrExit(apEvent->Platform.BLEPeripheralAdvStartComplete.mIsSuccess, err = CHIP_ERROR_INCORRECT_STATE); |
| sInstance.mFlags.Clear(Flags::kControlOpInProgress).Clear(Flags::kAdvertisingRefreshNeeded); |
| |
| if (!sInstance.mFlags.Has(Flags::kAdvertising)) |
| { |
| sInstance.mFlags.Set(Flags::kAdvertising); |
| } |
| |
| break; |
| case DeviceEventType::kPlatformLinuxBLEPeripheralAdvStopComplete: |
| VerifyOrExit(apEvent->Platform.BLEPeripheralAdvStopComplete.mIsSuccess, err = CHIP_ERROR_INCORRECT_STATE); |
| |
| sInstance.mFlags.Clear(Flags::kControlOpInProgress).Clear(Flags::kAdvertisingRefreshNeeded); |
| |
| // Transition to the not Advertising state... |
| if (sInstance.mFlags.Has(Flags::kAdvertising)) |
| { |
| sInstance.mFlags.Clear(Flags::kAdvertising); |
| ChipLogProgress(DeviceLayer, "CHIPoBLE advertising stopped"); |
| } |
| break; |
| case DeviceEventType::kPlatformLinuxBLEPeripheralRegisterAppComplete: |
| VerifyOrExit(apEvent->Platform.BLEPeripheralRegisterAppComplete.mIsSuccess, err = CHIP_ERROR_INCORRECT_STATE); |
| mFlags.Set(Flags::kAppRegistered); |
| controlOpComplete = true; |
| break; |
| default: |
| break; |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err)); |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled; |
| sInstance.mFlags.Clear(Flags::kControlOpInProgress); |
| } |
| |
| if (controlOpComplete) |
| { |
| mFlags.Clear(Flags::kControlOpInProgress); |
| DriveBLEState(); |
| } |
| } |
| |
| uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const |
| { |
| BluezConnection * connection = static_cast<BluezConnection *>(conId); |
| return (connection != nullptr) ? connection->mMtu : 0; |
| } |
| |
| bool BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId) |
| { |
| bool result = false; |
| |
| VerifyOrExit(Ble::UUIDsMatch(svcId, &CHIP_BLE_SVC_ID), |
| ChipLogError(DeviceLayer, "SubscribeCharacteristic() called with invalid service ID")); |
| VerifyOrExit(Ble::UUIDsMatch(charId, &ChipUUID_CHIPoBLEChar_TX), |
| ChipLogError(DeviceLayer, "SubscribeCharacteristic() called with invalid characteristic ID")); |
| |
| VerifyOrExit(BluezSubscribeCharacteristic(conId) == CHIP_NO_ERROR, |
| ChipLogError(DeviceLayer, "BluezSubscribeCharacteristic() failed")); |
| result = true; |
| |
| exit: |
| return result; |
| } |
| |
| bool BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const ChipBleUUID * charId) |
| { |
| bool result = false; |
| |
| VerifyOrExit(Ble::UUIDsMatch(svcId, &CHIP_BLE_SVC_ID), |
| ChipLogError(DeviceLayer, "UnsubscribeCharacteristic() called with invalid service ID")); |
| VerifyOrExit(Ble::UUIDsMatch(charId, &ChipUUID_CHIPoBLEChar_TX), |
| ChipLogError(DeviceLayer, "UnsubscribeCharacteristic() called with invalid characteristic ID")); |
| |
| VerifyOrExit(BluezUnsubscribeCharacteristic(conId) == CHIP_NO_ERROR, |
| ChipLogError(DeviceLayer, "BluezUnsubscribeCharacteristic() failed")); |
| result = true; |
| |
| exit: |
| return result; |
| } |
| |
| bool BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId) |
| { |
| bool result = false; |
| |
| ChipLogProgress(DeviceLayer, "Closing BLE GATT connection (con %p)", conId); |
| |
| VerifyOrExit(CloseBluezConnection(conId) == CHIP_NO_ERROR, ChipLogError(DeviceLayer, "CloseBluezConnection() failed")); |
| result = true; |
| |
| exit: |
| return result; |
| } |
| |
| bool BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const ChipBleUUID * svcId, const Ble::ChipBleUUID * charId, |
| chip::System::PacketBufferHandle pBuf) |
| { |
| bool result = false; |
| |
| VerifyOrExit(SendBluezIndication(conId, std::move(pBuf)) == CHIP_NO_ERROR, |
| ChipLogError(DeviceLayer, "SendBluezIndication() failed")); |
| result = true; |
| |
| exit: |
| return result; |
| } |
| |
| bool BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId, |
| chip::System::PacketBufferHandle pBuf) |
| { |
| bool result = false; |
| |
| VerifyOrExit(Ble::UUIDsMatch(svcId, &CHIP_BLE_SVC_ID), |
| ChipLogError(DeviceLayer, "SendWriteRequest() called with invalid service ID")); |
| VerifyOrExit(Ble::UUIDsMatch(charId, &ChipUUID_CHIPoBLEChar_RX), |
| ChipLogError(DeviceLayer, "SendWriteRequest() called with invalid characteristic ID")); |
| |
| VerifyOrExit(BluezSendWriteRequest(conId, std::move(pBuf)) == CHIP_NO_ERROR, |
| ChipLogError(DeviceLayer, "BluezSendWriteRequest() failed")); |
| result = true; |
| |
| exit: |
| return result; |
| } |
| |
| bool BLEManagerImpl::SendReadRequest(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId, |
| chip::System::PacketBufferHandle pBuf) |
| { |
| ChipLogError(Ble, "SendReadRequest: Not implemented"); |
| return true; |
| } |
| |
| bool BLEManagerImpl::SendReadResponse(BLE_CONNECTION_OBJECT conId, BLE_READ_REQUEST_CONTEXT requestContext, |
| const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId) |
| { |
| ChipLogError(Ble, "SendReadRBluezonse: Not implemented"); |
| return true; |
| } |
| |
| void BLEManagerImpl::HandleNewConnection(BLE_CONNECTION_OBJECT conId) |
| { |
| if (sInstance.mIsCentral) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLECentralConnected; |
| event.Platform.BLECentralConnected.mConnection = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| } |
| |
| void BLEManagerImpl::HandleConnectFailed(CHIP_ERROR error) |
| { |
| if (sInstance.mIsCentral) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLECentralConnectFailed; |
| event.Platform.BLECentralConnectFailed.mError = error; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| } |
| |
| void BLEManagerImpl::HandleWriteComplete(BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLEWriteComplete; |
| event.Platform.BLEWriteComplete.mConnection = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::HandleSubscribeOpComplete(BLE_CONNECTION_OBJECT conId, bool subscribed) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLESubscribeOpComplete; |
| event.Platform.BLESubscribeOpComplete.mConnection = conId; |
| event.Platform.BLESubscribeOpComplete.mIsSubscribed = subscribed; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::HandleTXCharChanged(BLE_CONNECTION_OBJECT conId, const uint8_t * value, size_t len) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| System::PacketBufferHandle buf = System::PacketBufferHandle::NewWithData(value, len); |
| |
| ChipLogDetail(DeviceLayer, "Indication received, conn = %p", conId); |
| |
| VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY); |
| |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLEIndicationReceived; |
| event.Platform.BLEIndicationReceived.mConnection = conId; |
| event.Platform.BLEIndicationReceived.mData = std::move(buf).UnsafeRelease(); |
| PlatformMgr().PostEventOrDie(&event); |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| ChipLogError(DeviceLayer, "HandleTXCharChanged() failed: %s", ErrorStr(err)); |
| } |
| |
| void BLEManagerImpl::HandleRXCharWrite(BLE_CONNECTION_OBJECT conId, const uint8_t * value, size_t len) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| System::PacketBufferHandle buf; |
| |
| // Copy the data to a packet buffer. |
| buf = System::PacketBufferHandle::NewWithData(value, len); |
| VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY); |
| |
| // Post an event to the Chip queue to deliver the data into the Chip stack. |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEWriteReceived; |
| ChipLogProgress(Ble, "Write request received debug %p", conId); |
| event.CHIPoBLEWriteReceived.ConId = conId; |
| event.CHIPoBLEWriteReceived.Data = std::move(buf).UnsafeRelease(); |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "HandleRXCharWrite() failed: %s", ErrorStr(err)); |
| } |
| } |
| |
| void BLEManagerImpl::CHIPoBluez_ConnectionClosed(BLE_CONNECTION_OBJECT conId) |
| { |
| ChipLogProgress(DeviceLayer, "Bluez notify CHIPoBluez connection disconnected"); |
| |
| // If this was a CHIPoBLE connection, post an event to deliver a connection error to the CHIPoBLE layer. |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEConnectionError; |
| event.CHIPoBLEConnectionError.ConId = conId; |
| event.CHIPoBLEConnectionError.Reason = BLE_ERROR_REMOTE_DEVICE_DISCONNECTED; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| } |
| |
| void BLEManagerImpl::HandleTXCharCCCDWrite(BLE_CONNECTION_OBJECT conId) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| BluezConnection * connection = static_cast<BluezConnection *>(conId); |
| |
| VerifyOrExit(connection != nullptr, ChipLogError(DeviceLayer, "Connection is NULL in HandleTXCharCCCDWrite")); |
| VerifyOrExit(connection->mpC2 != nullptr, ChipLogError(DeviceLayer, "C2 is NULL in HandleTXCharCCCDWrite")); |
| |
| // Post an event to the Chip queue to process either a CHIPoBLE Subscribe or Unsubscribe based on |
| // whether the client is enabling or disabling indications. |
| { |
| ChipDeviceEvent event; |
| event.Type = connection->mIsNotify ? DeviceEventType::kCHIPoBLESubscribe : DeviceEventType::kCHIPoBLEUnsubscribe; |
| event.CHIPoBLESubscribe.ConId = connection; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| ChipLogProgress(DeviceLayer, "CHIPoBLE %s received", connection->mIsNotify ? "subscribe" : "unsubscribe"); |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "HandleTXCharCCCDWrite() failed: %s", ErrorStr(err)); |
| // TODO: fail connection |
| } |
| } |
| |
| void BLEManagerImpl::HandleTXComplete(BLE_CONNECTION_OBJECT conId) |
| { |
| // Post an event to the Chip queue to process the indicate confirmation. |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEIndicateConfirm; |
| event.CHIPoBLEIndicateConfirm.ConId = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::DriveBLEState() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| // Perform any initialization actions that must occur after the Chip task is running. |
| if (!mFlags.Has(Flags::kAsyncInitCompleted)) |
| { |
| mFlags.Set(Flags::kAsyncInitCompleted); |
| ExitNow(); |
| } |
| |
| // If there's already a control operation in progress, wait until it completes. |
| VerifyOrExit(!mFlags.Has(Flags::kControlOpInProgress), /* */); |
| |
| // Initializes the Bluez BLE layer if needed. |
| if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kBluezBLELayerInitialized)) |
| { |
| err = InitBluezBleLayer(mIsCentral, nullptr, mBLEAdvConfig, mpEndpoint); |
| SuccessOrExit(err); |
| mFlags.Set(Flags::kBluezBLELayerInitialized); |
| } |
| |
| // Register the CHIPoBLE application with the Bluez BLE layer if needed. |
| if (!mIsCentral && mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kAppRegistered)) |
| { |
| err = BluezGattsAppRegister(mpEndpoint); |
| SuccessOrExit(err); |
| mFlags.Set(Flags::kControlOpInProgress); |
| ExitNow(); |
| } |
| |
| // If the application has enabled CHIPoBLE and BLE advertising... |
| if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && mFlags.Has(Flags::kAdvertisingEnabled)) |
| { |
| // Start/re-start advertising if not already advertising, or if the advertising state of the |
| // Bluez BLE layer needs to be refreshed. |
| if (!mFlags.Has(Flags::kAdvertising) || mFlags.Has(Flags::kAdvertisingRefreshNeeded)) |
| { |
| mFlags.Clear(Flags::kAdvertisingRefreshNeeded); |
| |
| // Configure advertising data if it hasn't been done yet. This is an asynchronous step which |
| // must complete before advertising can be started. When that happens, this method will |
| // be called again, and execution will proceed to the code below. |
| if (!mFlags.Has(Flags::kAdvertisingConfigured)) |
| { |
| err = BluezAdvertisementSetup(mpEndpoint); |
| ExitNow(); |
| } |
| |
| // Start advertising. This is also an asynchronous step. |
| err = StartBLEAdvertising(); |
| SuccessOrExit(err); |
| |
| sInstance.mFlags.Set(Flags::kAdvertising); |
| ExitNow(); |
| } |
| } |
| |
| // Otherwise stop advertising if needed... |
| else |
| { |
| if (mFlags.Has(Flags::kAdvertising)) |
| { |
| err = StopBLEAdvertising(); |
| SuccessOrExit(err); |
| mFlags.Set(Flags::kControlOpInProgress); |
| |
| ExitNow(); |
| } |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "Disabling CHIPoBLE service due to error: %s", ErrorStr(err)); |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled; |
| } |
| } |
| |
| void BLEManagerImpl::DriveBLEState(intptr_t arg) |
| { |
| sInstance.DriveBLEState(); |
| } |
| |
| void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId) |
| { |
| ChipLogProgress(Ble, "Got notification regarding chip connection closure"); |
| } |
| |
| void BLEManagerImpl::InitiateScan(BleScanState scanType) |
| { |
| DriveBLEState(); |
| |
| if (scanType == BleScanState::kNotScanning) |
| { |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, CHIP_ERROR_INCORRECT_STATE); |
| ChipLogError(Ble, "Invalid scan type requested"); |
| return; |
| } |
| |
| if (mpEndpoint == nullptr) |
| { |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, CHIP_ERROR_INCORRECT_STATE); |
| ChipLogError(Ble, "BLE Layer is not yet initialized"); |
| return; |
| } |
| |
| if (mpEndpoint->mpAdapter == nullptr) |
| { |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, CHIP_ERROR_INCORRECT_STATE); |
| ChipLogError(Ble, "No adapter available for new connection establishment"); |
| return; |
| } |
| |
| mDeviceScanner = Internal::ChipDeviceScanner::Create(mpEndpoint->mpAdapter, this); |
| mBLEScanConfig.mBleScanState = scanType; |
| |
| if (!mDeviceScanner) |
| { |
| mBLEScanConfig.mBleScanState = BleScanState::kNotScanning; |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, CHIP_ERROR_INTERNAL); |
| ChipLogError(Ble, "Failed to create a BLE device scanner"); |
| return; |
| } |
| |
| CHIP_ERROR err = mDeviceScanner->StartScan(kNewConnectionScanTimeout); |
| if (err != CHIP_NO_ERROR) |
| { |
| mBLEScanConfig.mBleScanState = BleScanState::kNotScanning; |
| ChipLogError(Ble, "Failed to start a BLE can: %s", chip::ErrorStr(err)); |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, err); |
| return; |
| } |
| } |
| |
| void BLEManagerImpl::CleanScanConfig() |
| { |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| DeviceLayer::SystemLayer().CancelTimer(HandleConnectTimeout, mpEndpoint); |
| |
| mBLEScanConfig.mBleScanState = BleScanState::kNotScanning; |
| } |
| |
| void BLEManagerImpl::InitiateScan(intptr_t arg) |
| { |
| sInstance.InitiateScan(static_cast<BleScanState>(arg)); |
| } |
| |
| void BLEManagerImpl::NewConnection(BleLayer * bleLayer, void * appState, const SetupDiscriminator & connDiscriminator) |
| { |
| mBLEScanConfig.mDiscriminator = connDiscriminator; |
| mBLEScanConfig.mAppState = appState; |
| |
| // Scan initiation performed async, to ensure that the BLE subsystem is initialized. |
| PlatformMgr().ScheduleWork(InitiateScan, static_cast<intptr_t>(BleScanState::kScanForDiscriminator)); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::CancelConnection() |
| { |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| CancelConnect(mpEndpoint); |
| // If in discovery mode, stop scan. |
| else if (mBLEScanConfig.mBleScanState != BleScanState::kNotScanning) |
| mDeviceScanner->StopScan(); |
| return CHIP_NO_ERROR; |
| } |
| |
| void BLEManagerImpl::NotifyBLEPeripheralRegisterAppComplete(bool aIsSuccess, void * apAppstate) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLEPeripheralRegisterAppComplete; |
| event.Platform.BLEPeripheralRegisterAppComplete.mIsSuccess = aIsSuccess; |
| event.Platform.BLEPeripheralRegisterAppComplete.mpAppstate = apAppstate; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEPeripheralAdvConfiguredComplete(bool aIsSuccess, void * apAppstate) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLEPeripheralAdvConfiguredComplete; |
| event.Platform.BLEPeripheralAdvConfiguredComplete.mIsSuccess = aIsSuccess; |
| event.Platform.BLEPeripheralAdvConfiguredComplete.mpAppstate = apAppstate; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEPeripheralAdvStartComplete(bool aIsSuccess, void * apAppstate) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLEPeripheralAdvStartComplete; |
| event.Platform.BLEPeripheralAdvStartComplete.mIsSuccess = aIsSuccess; |
| event.Platform.BLEPeripheralAdvStartComplete.mpAppstate = apAppstate; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEPeripheralAdvStopComplete(bool aIsSuccess, void * apAppstate) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformLinuxBLEPeripheralAdvStopComplete; |
| event.Platform.BLEPeripheralAdvStopComplete.mIsSuccess = aIsSuccess; |
| event.Platform.BLEPeripheralAdvStopComplete.mpAppstate = apAppstate; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::OnDeviceScanned(BluezDevice1 * device, const chip::Ble::ChipBLEDeviceIdentificationInfo & info) |
| { |
| ChipLogProgress(Ble, "New device scanned: %s", bluez_device1_get_address(device)); |
| |
| if (mBLEScanConfig.mBleScanState == BleScanState::kScanForDiscriminator) |
| { |
| if (!mBLEScanConfig.mDiscriminator.MatchesLongDiscriminator(info.GetDeviceDiscriminator())) |
| { |
| return; |
| } |
| ChipLogProgress(Ble, "Device discriminator match. Attempting to connect."); |
| } |
| else if (mBLEScanConfig.mBleScanState == BleScanState::kScanForAddress) |
| { |
| if (strcmp(bluez_device1_get_address(device), mBLEScanConfig.mAddress.c_str()) != 0) |
| { |
| return; |
| } |
| ChipLogProgress(Ble, "Device address match. Attempting to connect."); |
| } |
| else |
| { |
| // Internal consistency error |
| ChipLogError(Ble, "Unknown discovery type. Ignoring scanned device."); |
| return; |
| } |
| |
| mBLEScanConfig.mBleScanState = BleScanState::kConnecting; |
| |
| chip::DeviceLayer::PlatformMgr().LockChipStack(); |
| DeviceLayer::SystemLayer().StartTimer(kConnectTimeout, HandleConnectTimeout, mpEndpoint); |
| chip::DeviceLayer::PlatformMgr().UnlockChipStack(); |
| |
| mDeviceScanner->StopScan(); |
| |
| ConnectDevice(device, mpEndpoint); |
| } |
| |
| void BLEManagerImpl::OnScanComplete() |
| { |
| switch (mBLEScanConfig.mBleScanState) |
| { |
| case BleScanState::kNotScanning: |
| ChipLogProgress(Ble, "Scan complete notification without an active scan."); |
| break; |
| case BleScanState::kScanForAddress: |
| case BleScanState::kScanForDiscriminator: |
| mBLEScanConfig.mBleScanState = BleScanState::kNotScanning; |
| ChipLogProgress(Ble, "Scan complete. No matching device found."); |
| break; |
| case BleScanState::kConnecting: |
| break; |
| } |
| } |
| |
| void BLEManagerImpl::OnScanError(CHIP_ERROR err) |
| { |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, err); |
| ChipLogError(Ble, "BLE scan error: %" CHIP_ERROR_FORMAT, err.Format()); |
| } |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |
| |
| #endif // CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
