| /* |
| * |
| * Copyright (c) 2020-2022 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 Tizen platforms. |
| */ |
| |
| /** |
| * Note: BLEManager requires ConnectivityManager to be defined beforehand, |
| * otherwise we will face circular dependency between them. */ |
| #include <platform/ConnectivityManager.h> |
| |
| /** |
| * Note: Use public include for BLEManager which includes our local |
| * platform/<PLATFORM>/BLEManagerImpl.h after defining interface class. */ |
| #include "platform/internal/BLEManager.h" |
| |
| #include <strings.h> |
| |
| #include <cstdint> |
| #include <cstring> |
| #include <memory> |
| #include <string> |
| #include <type_traits> |
| #include <utility> |
| |
| #include <bluetooth.h> |
| #include <bluetooth_internal.h> |
| #include <bluetooth_type_internal.h> |
| #include <glib.h> |
| |
| #include <ble/Ble.h> |
| #include <ble/CHIPBleServiceData.h> |
| #include <lib/core/CHIPError.h> |
| #include <lib/core/CHIPSafeCasts.h> |
| #include <lib/support/BitFlags.h> |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/ErrorStr.h> |
| #include <lib/support/SetupDiscriminator.h> |
| #include <lib/support/Span.h> |
| #include <platform/CHIPDeviceEvent.h> |
| #include <platform/CHIPDeviceLayer.h> |
| #include <platform/ConfigurationManager.h> |
| #include <platform/PlatformManager.h> |
| #include <system/SystemClock.h> |
| #include <system/SystemLayer.h> |
| #include <system/SystemPacketBuffer.h> |
| |
| #include "CHIPDevicePlatformEvent.h" |
| #include "ChipDeviceScanner.h" |
| #include "SystemInfo.h" |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| BLEManagerImpl BLEManagerImpl::sInstance; |
| |
| struct BLEConnection |
| { |
| char * peerAddr; |
| unsigned int mtu; |
| bool subscribed; |
| bt_gatt_h gattCharC1Handle; |
| bt_gatt_h gattCharC2Handle; |
| bool isChipDevice; |
| }; |
| |
| /* CHIPoBLE UUID strings */ |
| const char * chip_ble_service_uuid = "0000FFF6-0000-1000-8000-00805F9B34FB"; |
| const char * chip_ble_char_c1_tx_uuid = "18EE2EF5-263D-4559-959F-4F9C429F9D11"; |
| const char * chip_ble_char_c2_rx_uuid = "18EE2EF5-263D-4559-959F-4F9C429F9D12"; |
| /* CCCD */ |
| const char * desc_uuid_short = "2902"; |
| |
| const char * chip_ble_service_uuid_short = "FFF6"; |
| |
| /* Tizen Default Scan Timeout */ |
| static constexpr System::Clock::Timeout kNewConnectionScanTimeout = System::Clock::Seconds16(10); |
| /* Tizen Default Connect Timeout */ |
| static constexpr System::Clock::Timeout kConnectTimeout = System::Clock::Seconds16(10); |
| |
| static void __AdapterStateChangedCb(int result, bt_adapter_state_e adapterState, void * userData) |
| { |
| ChipLogProgress(DeviceLayer, "Adapter State Changed: %s", adapterState == BT_ADAPTER_ENABLED ? "Enabled" : "Disabled"); |
| } |
| |
| void BLEManagerImpl::GattConnectionStateChangedCb(int result, bool connected, const char * remoteAddress, void * userData) |
| { |
| switch (result) |
| { |
| case BT_ERROR_NONE: |
| case BT_ERROR_ALREADY_DONE: |
| ChipLogProgress(DeviceLayer, "GATT %s", connected ? "connected" : "disconnected"); |
| sInstance.HandleConnectionEvent(connected, remoteAddress); |
| break; |
| default: |
| ChipLogError(DeviceLayer, "GATT %s failed: %s", connected ? "connection" : "disconnection", get_error_message(result)); |
| if (connected) |
| sInstance.NotifyHandleConnectFailed(CHIP_ERROR_INTERNAL); |
| } |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_BleInitialize(void * userData) |
| { |
| int ret; |
| |
| if (sInstance.mFlags.Has(Flags::kTizenBLELayerInitialized)) |
| { |
| ChipLogProgress(DeviceLayer, "BLE Already Initialized"); |
| return CHIP_NO_ERROR; |
| } |
| |
| ret = bt_initialize(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_initialize() failed. ret: %d", ret)); |
| |
| ret = bt_adapter_set_state_changed_cb(__AdapterStateChangedCb, nullptr); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_set_state_changed_cb() failed. ret: %d", ret)); |
| |
| ret = bt_gatt_server_initialize(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_server_initialize() failed. ret: %d", ret)); |
| |
| ret = bt_gatt_set_connection_state_changed_cb(GattConnectionStateChangedCb, nullptr); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_set_state_changed_cb() failed. ret: %d", ret)); |
| |
| sInstance.InitConnectionData(); |
| |
| sInstance.mFlags.Set(Flags::kTizenBLELayerInitialized); |
| ChipLogProgress(DeviceLayer, "BLE Initialized"); |
| return CHIP_NO_ERROR; |
| |
| exit: |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| static int __GetAttInfo(bt_gatt_h gattHandle, char ** uuid, bt_gatt_type_e * type) |
| { |
| int ret = bt_gatt_get_type(gattHandle, type); |
| VerifyOrReturnError(ret == BT_ERROR_NONE, ret); |
| return bt_gatt_get_uuid(gattHandle, uuid); |
| } |
| |
| static constexpr const char * __ConvertAttTypeToStr(bt_gatt_type_e type) |
| { |
| switch (type) |
| { |
| case BT_GATT_TYPE_SERVICE: |
| return "Service"; |
| case BT_GATT_TYPE_CHARACTERISTIC: |
| return "Characteristic"; |
| case BT_GATT_TYPE_DESCRIPTOR: |
| return "Descriptor"; |
| default: |
| return "(unknown)"; |
| } |
| } |
| |
| void BLEManagerImpl::ReadValueRequestedCb(const char * remoteAddress, int requestId, bt_gatt_server_h server, bt_gatt_h gattHandle, |
| int offset, void * userData) |
| { |
| int ret, len = 0; |
| bt_gatt_type_e type; |
| char * uuid = nullptr; |
| char * value = nullptr; |
| |
| VerifyOrReturn(__GetAttInfo(gattHandle, &uuid, &type) == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "Failed to fetch GATT Attribute from GATT handle")); |
| ChipLogProgress(DeviceLayer, "Gatt read requested on %s: uuid=%s", __ConvertAttTypeToStr(type), StringOrNullMarker(uuid)); |
| g_free(uuid); |
| |
| ret = bt_gatt_get_value(gattHandle, &value, &len); |
| VerifyOrReturn(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_get_value() failed. ret: %d", ret)); |
| |
| ChipLogByteSpan(DeviceLayer, ByteSpan(Uint8::from_const_char(value), len)); |
| |
| ret = bt_gatt_server_send_response(requestId, BT_GATT_REQUEST_TYPE_READ, offset, 0x00, value, len); |
| g_free(value); |
| VerifyOrReturn(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_server_send_response() failed. ret: %d", ret)); |
| } |
| |
| void BLEManagerImpl::WriteValueRequestedCb(const char * remoteAddress, int requestId, bt_gatt_server_h server, bt_gatt_h gattHandle, |
| bool responseNeeded, int offset, const char * value, int len, void * userData) |
| { |
| int ret; |
| char * uuid = nullptr; |
| BLEConnection * conn = nullptr; |
| bt_gatt_type_e type; |
| |
| conn = static_cast<BLEConnection *>(g_hash_table_lookup(sInstance.mConnectionMap, remoteAddress)); |
| VerifyOrReturn(conn != nullptr, ChipLogError(DeviceLayer, "Failed to find connection info")); |
| |
| VerifyOrReturn(__GetAttInfo(gattHandle, &uuid, &type) == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "Failed to fetch GATT Attribute from GATT handle")); |
| ChipLogProgress(DeviceLayer, "Gatt write requested on %s: uuid=%s len=%d", __ConvertAttTypeToStr(type), |
| StringOrNullMarker(uuid), len); |
| ChipLogByteSpan(DeviceLayer, ByteSpan(Uint8::from_const_char(value), len)); |
| g_free(uuid); |
| |
| ret = bt_gatt_set_value(gattHandle, value, len); |
| VerifyOrReturn(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_set_value() failed. ret: %d", ret)); |
| |
| ret = bt_gatt_server_send_response(requestId, BT_GATT_REQUEST_TYPE_WRITE, offset, 0x00, nullptr, 0); |
| VerifyOrReturn(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_server_send_response() failed. ret: %d", ret)); |
| |
| sInstance.HandleC1CharWriteEvent(conn, Uint8::from_const_char(value), len); |
| } |
| |
| void BLEManagerImpl::NotificationStateChangedCb(bool notify, bt_gatt_server_h server, bt_gatt_h gattHandle, void * userData) |
| { |
| char * uuid = nullptr; |
| BLEConnection * conn = nullptr; |
| bt_gatt_type_e type; |
| GHashTableIter iter; |
| gpointer key, value; |
| |
| g_hash_table_iter_init(&iter, sInstance.mConnectionMap); |
| while (g_hash_table_iter_next(&iter, &key, &value)) |
| { |
| /* NOTE: Currently Tizen Platform API does not return remote device address, which enables/disables |
| * notification/Indication. Therefore, returning first Connection */ |
| conn = static_cast<BLEConnection *>(value); |
| break; |
| } |
| |
| VerifyOrReturn(conn != nullptr, ChipLogError(DeviceLayer, "Failed to find connection info")); |
| VerifyOrReturn(__GetAttInfo(gattHandle, &uuid, &type) == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "Failed to fetch GATT Attribute from GATT handle")); |
| |
| ChipLogProgress(DeviceLayer, "Notification State Changed %d on %s: %s", notify, __ConvertAttTypeToStr(type), |
| StringOrNullMarker(uuid)); |
| g_free(uuid); |
| sInstance.NotifyBLESubscribed(notify ? true : false, conn); |
| } |
| |
| void BLEManagerImpl::WriteCompletedCb(int result, bt_gatt_h gattHandle, void * userData) |
| { |
| auto conn = static_cast<BLEConnection *>(userData); |
| |
| VerifyOrReturn(result == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Failed to Send Write request")); |
| VerifyOrReturn(conn != nullptr, ChipLogError(DeviceLayer, "Connection object is invalid")); |
| VerifyOrReturn(conn->gattCharC1Handle == gattHandle, ChipLogError(DeviceLayer, "Gatt characteristic handle did not match")); |
| |
| ChipLogProgress(DeviceLayer, "Write Completed to CHIP peripheral [%s]", conn->peerAddr); |
| sInstance.NotifyHandleWriteComplete(conn); |
| } |
| |
| void BLEManagerImpl::CharacteristicNotificationCb(bt_gatt_h characteristic, char * value, int len, void * userData) |
| { |
| auto conn = static_cast<BLEConnection *>(userData); |
| |
| VerifyOrReturn(value != nullptr); |
| VerifyOrReturn(conn != nullptr, ChipLogError(DeviceLayer, "Connection object is invalid")); |
| VerifyOrReturn(conn->gattCharC2Handle == characteristic, ChipLogError(DeviceLayer, "Gatt characteristic handle did not match")); |
| |
| ChipLogProgress(DeviceLayer, "Notification Received from CHIP peripheral [%s]", conn->peerAddr); |
| sInstance.HandleRXCharChanged(conn, Uint8::from_const_char(value), len); |
| } |
| |
| void BLEManagerImpl::IndicationConfirmationCb(int result, const char * remoteAddress, bt_gatt_server_h server, |
| bt_gatt_h characteristic, bool completed, void * userData) |
| { |
| BLEConnection * conn = nullptr; |
| VerifyOrReturn(result == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Failed to Get Indication Confirmation")); |
| |
| conn = static_cast<BLEConnection *>(g_hash_table_lookup(sInstance.mConnectionMap, remoteAddress)); |
| |
| VerifyOrReturn(conn != nullptr, |
| ChipLogError(DeviceLayer, "Could not find connection for [%s]", StringOrNullMarker(remoteAddress))); |
| VerifyOrReturn(sInstance.mGattCharC2Handle == characteristic, |
| ChipLogError(DeviceLayer, "Gatt characteristic handle did not match")); |
| |
| sInstance.NotifyBLEIndicationConfirmation(conn); |
| } |
| |
| void BLEManagerImpl::AdvertisingStateChangedCb(int result, bt_advertiser_h advertiser, bt_adapter_le_advertising_state_e advState, |
| void * userData) |
| { |
| ChipLogProgress(DeviceLayer, "Advertising %s", advState == BT_ADAPTER_LE_ADVERTISING_STARTED ? "Started" : "Stopped"); |
| |
| if (advState == BT_ADAPTER_LE_ADVERTISING_STARTED) |
| { |
| sInstance.mFlags.Set(Flags::kAdvertising); |
| sInstance.NotifyBLEPeripheralAdvStartComplete(true, nullptr); |
| } |
| else |
| { |
| sInstance.mFlags.Clear(Flags::kAdvertising); |
| sInstance.NotifyBLEPeripheralAdvStopComplete(true, nullptr); |
| } |
| |
| if (sInstance.mFlags.Has(Flags::kAdvertisingRefreshNeeded)) |
| { |
| sInstance.mFlags.Clear(Flags::kAdvertisingRefreshNeeded); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| } |
| |
| sInstance.mAdvReqInProgress = false; |
| } |
| |
| // ====== Private Functions. |
| void BLEManagerImpl::NotifyBLEPeripheralGATTServerRegisterComplete(bool aIsSuccess, void * apAppstate) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLEPeripheralGATTServerRegisterComplete; |
| event.Platform.BLEPeripheralGATTServerRegisterComplete.mIsSuccess = aIsSuccess; |
| event.Platform.BLEPeripheralGATTServerRegisterComplete.mpAppstate = apAppstate; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEPeripheralAdvConfiguredComplete(bool aIsSuccess, void * apAppstate) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLEPeripheralAdvConfiguredComplete; |
| 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::kPlatformTizenBLEPeripheralAdvStartComplete; |
| 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::kPlatformTizenBLEPeripheralAdvStopComplete; |
| event.Platform.BLEPeripheralAdvStopComplete.mIsSuccess = aIsSuccess; |
| event.Platform.BLEPeripheralAdvStopComplete.mpAppstate = apAppstate; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEWriteReceived(System::PacketBufferHandle & buf, BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEWriteReceived; |
| event.CHIPoBLEWriteReceived.ConId = conId; |
| event.CHIPoBLEWriteReceived.Data = std::move(buf).UnsafeRelease(); |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLENotificationReceived(System::PacketBufferHandle & buf, BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLEIndicationReceived; |
| event.Platform.BLEIndicationReceived.mConnection = conId; |
| event.Platform.BLEIndicationReceived.mData = std::move(buf).UnsafeRelease(); |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLESubscribed(bool indicationsEnabled, BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| event.Type = (indicationsEnabled) ? DeviceEventType::kCHIPoBLESubscribe : DeviceEventType::kCHIPoBLEUnsubscribe; |
| event.CHIPoBLESubscribe.ConId = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEIndicationConfirmation(BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEIndicateConfirm; |
| event.CHIPoBLEIndicateConfirm.ConId = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyBLEConnectionEstablished(BLE_CONNECTION_OBJECT conId, CHIP_ERROR error) |
| { |
| ChipDeviceEvent connectionEvent; |
| connectionEvent.Type = DeviceEventType::kCHIPoBLEConnectionEstablished; |
| PlatformMgr().PostEventOrDie(&connectionEvent); |
| } |
| |
| void BLEManagerImpl::NotifyBLEDisconnection(BLE_CONNECTION_OBJECT conId, CHIP_ERROR error) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kCHIPoBLEConnectionError; |
| event.CHIPoBLEConnectionError.ConId = conId; |
| event.CHIPoBLEConnectionError.Reason = error; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifyHandleConnectFailed(CHIP_ERROR error) |
| { |
| ChipLogProgress(DeviceLayer, "Connection failed: %" CHIP_ERROR_FORMAT, error.Format()); |
| if (sInstance.mIsCentral) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLECentralConnectFailed; |
| event.Platform.BLECentralConnectFailed.mError = error; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| } |
| |
| void BLEManagerImpl::NotifyHandleNewConnection(BLE_CONNECTION_OBJECT conId) |
| { |
| if (sInstance.mIsCentral) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLECentralConnected; |
| event.Platform.BLECentralConnected.mConnection = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| } |
| |
| void BLEManagerImpl::NotifyHandleWriteComplete(BLE_CONNECTION_OBJECT conId) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLEWriteComplete; |
| event.Platform.BLEWriteComplete.mConnection = conId; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::NotifySubscribeOpComplete(BLE_CONNECTION_OBJECT conId, bool isSubscribed) |
| { |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kPlatformTizenBLESubscribeOpComplete; |
| event.Platform.BLESubscribeOpComplete.mConnection = conId; |
| event.Platform.BLESubscribeOpComplete.mIsSubscribed = isSubscribed; |
| PlatformMgr().PostEventOrDie(&event); |
| } |
| |
| void BLEManagerImpl::HandleConnectionTimeout(System::Layer * layer, void * data) |
| { |
| sInstance.NotifyHandleConnectFailed(CHIP_ERROR_TIMEOUT); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::ConnectChipThing(const char * address) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| int ret; |
| |
| ChipLogProgress(DeviceLayer, "ConnectRequest: Addr [%s]", StringOrNullMarker(address)); |
| |
| ret = bt_gatt_client_create(address, &sInstance.mGattClient); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Failed to create GATT client. ret [%d]", ret); |
| err = CHIP_ERROR_INTERNAL); |
| |
| ret = bt_gatt_connect(address, false); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Failed to issue GATT connect request. ret [%d]", ret); |
| err = CHIP_ERROR_INTERNAL); |
| |
| ChipLogProgress(DeviceLayer, "GATT Connect Issued"); |
| |
| exit: |
| if (err != CHIP_NO_ERROR) |
| sInstance.NotifyHandleConnectFailed(err); |
| return err; |
| } |
| |
| void BLEManagerImpl::OnChipDeviceScanned(void * device, const Ble::ChipBLEDeviceIdentificationInfo & info) |
| { |
| auto deviceInfo = reinterpret_cast<bt_adapter_le_device_scan_result_info_s *>(device); |
| VerifyOrReturn(deviceInfo != nullptr, ChipLogError(DeviceLayer, "Invalid Device Info")); |
| |
| ChipLogProgress(DeviceLayer, "New device scanned: %s", deviceInfo->remote_address); |
| |
| if (mBLEScanConfig.mBleScanState == BleScanState::kScanForDiscriminator) |
| { |
| if (!mBLEScanConfig.mDiscriminator.MatchesLongDiscriminator(info.GetDeviceDiscriminator())) |
| { |
| return; |
| } |
| ChipLogProgress(DeviceLayer, "Device discriminator match. Attempting to connect."); |
| } |
| else if (mBLEScanConfig.mBleScanState == BleScanState::kScanForAddress) |
| { |
| if (strcmp(deviceInfo->remote_address, mBLEScanConfig.mAddress.c_str()) != 0) |
| { |
| return; |
| } |
| ChipLogProgress(DeviceLayer, "Device address match. Attempting to connect."); |
| } |
| else |
| { |
| ChipLogError(DeviceLayer, "Unknown discovery type. Ignoring scanned device."); |
| return; |
| } |
| |
| /* Set CHIP Connecting state */ |
| mBLEScanConfig.mBleScanState = BleScanState::kConnecting; |
| DeviceLayer::SystemLayer().StartTimer(kConnectTimeout, HandleConnectionTimeout, nullptr); |
| mDeviceScanner->StopChipScan(); |
| |
| /* Initiate Connect */ |
| PlatformMgrImpl().GLibMatterContextInvokeSync(ConnectChipThing, const_cast<const char *>(deviceInfo->remote_address)); |
| } |
| |
| 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) |
| { |
| ChipLogDetail(Ble, "BLE scan error: %" CHIP_ERROR_FORMAT, err.Format()); |
| } |
| |
| int BLEManagerImpl::RegisterGATTServer() |
| { |
| int ret = BT_ERROR_NONE; |
| |
| bt_gatt_server_h server = nullptr; |
| bt_gatt_h service = nullptr; |
| bt_gatt_h char1 = nullptr, char2 = nullptr; |
| bt_gatt_h desc = nullptr; |
| char desc_value[2] = { 0, 0 }; |
| |
| ChipLogProgress(DeviceLayer, "Start GATT Service Registration"); |
| |
| // Create Server |
| ret = bt_gatt_server_create(&server); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_server_create() failed. ret: %d", ret)); |
| |
| // Create Service (BTP Service) |
| ret = bt_gatt_service_create(chip_ble_service_uuid, BT_GATT_SERVICE_TYPE_PRIMARY, &service); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_service_create() failed. ret: %d", ret)); |
| |
| // Create 1st Characteristic (Client TX Buffer) |
| ret = bt_gatt_characteristic_create( |
| chip_ble_char_c1_tx_uuid, BT_GATT_PERMISSION_WRITE, |
| BT_GATT_PROPERTY_WRITE, // Write Request is not coming if we use WITHOUT_RESPONSE property. Let's use WRITE property and |
| // consider to use WITHOUT_RESPONSE property in the future according to the CHIP Spec 4.16.3.2. BTP |
| // GATT Service |
| "CHIPoBLE_C1", strlen("CHIPoBLE_C1"), &char1); |
| |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_characteristic_create() failed. ret: %d", ret)); |
| ret = bt_gatt_server_set_write_value_requested_cb(char1, WriteValueRequestedCb, nullptr); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_gatt_server_set_write_value_requested_cb() failed. ret: %d", ret)); |
| ret = bt_gatt_service_add_characteristic(service, char1); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_service_add_characteristic() failed. ret: %d", ret)); |
| |
| // Create 2nd Characteristic (Client RX Buffer) |
| ret = bt_gatt_characteristic_create(chip_ble_char_c2_rx_uuid, BT_GATT_PERMISSION_READ, |
| BT_GATT_PROPERTY_READ | BT_GATT_PROPERTY_INDICATE, "CHIPoBLE_C2", strlen("CHIPoBLE_C2"), |
| &char2); |
| |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_characteristic_create() failed. ret: %d", ret)); |
| ret = bt_gatt_server_set_read_value_requested_cb(char2, ReadValueRequestedCb, nullptr); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_gatt_server_set_read_value_requested_cb() failed. ret: %d", ret)); |
| ret = bt_gatt_server_set_characteristic_notification_state_change_cb(char2, NotificationStateChangedCb, nullptr); |
| VerifyOrExit( |
| ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_gatt_server_set_characteristic_notification_state_change_cb() failed. ret: %d", ret)); |
| |
| // Create CCC Descriptor |
| ret = bt_gatt_descriptor_create(desc_uuid_short, BT_GATT_PERMISSION_READ | BT_GATT_PERMISSION_WRITE, desc_value, |
| sizeof(desc_value), &desc); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_descriptor_create() failed. ret: %d", ret)); |
| ret = bt_gatt_characteristic_add_descriptor(char2, desc); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_characteristic_add_descriptor() failed. ret: %d", ret)); |
| ret = bt_gatt_service_add_characteristic(service, char2); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_service_add_characteristic() failed. ret: %d", ret)); |
| |
| // Register Service to Server |
| ret = bt_gatt_server_register_service(server, service); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_server_register_service() failed. ret: %d", ret)); |
| |
| // Start Server |
| ret = bt_gatt_server_start(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_server_start() failed. ret: %d", ret)); |
| |
| ChipLogDetail(DeviceLayer, "NotifyBLEPeripheralGATTServerRegisterComplete Success"); |
| BLEManagerImpl::NotifyBLEPeripheralGATTServerRegisterComplete(true, nullptr); |
| |
| // Save the Local Peripheral char1 & char2 handles |
| mGattCharC1Handle = char1; |
| mGattCharC2Handle = char2; |
| |
| return ret; |
| |
| exit: |
| ChipLogDetail(DeviceLayer, "NotifyBLEPeripheralGATTServerRegisterComplete Failed"); |
| BLEManagerImpl::NotifyBLEPeripheralGATTServerRegisterComplete(false, nullptr); |
| return ret; |
| } |
| |
| int BLEManagerImpl::StartBLEAdvertising() |
| { |
| int ret = BT_ERROR_NONE; |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| char service_data[sizeof(Ble::ChipBLEDeviceIdentificationInfo)] = { |
| 0x0, |
| }; // need to fill advertising data. 5.2.3.8.6. Advertising Data, CHIP Specification |
| Ble::ChipBLEDeviceIdentificationInfo deviceIdInfo = { |
| 0x0, |
| }; |
| PlatformVersion version; |
| |
| if (sInstance.mAdvReqInProgress) |
| { |
| ChipLogProgress(DeviceLayer, "Advertising Request In Progress"); |
| return ret; |
| } |
| |
| ChipLogProgress(DeviceLayer, "Start Advertising"); |
| |
| if (mAdvertiser == nullptr) |
| { |
| ret = bt_adapter_le_create_advertiser(&mAdvertiser); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_le_create_advertiser() failed. ret: %d", ret)); |
| } |
| else |
| { |
| ret = bt_adapter_le_clear_advertising_data(mAdvertiser, BT_ADAPTER_LE_PACKET_ADVERTISING); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_adapter_le_clear_advertising_data() failed. ret: %d", ret)); |
| |
| ret = bt_adapter_le_clear_advertising_data(mAdvertiser, BT_ADAPTER_LE_PACKET_SCAN_RESPONSE); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_adapter_le_clear_advertising_data() failed. ret: %d", ret)); |
| } |
| |
| if (mFlags.Has(Flags::kFastAdvertisingEnabled)) |
| { |
| ret = bt_adapter_le_set_advertising_mode(mAdvertiser, BT_ADAPTER_LE_ADVERTISING_MODE_LOW_LATENCY); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_le_set_advertising_mode() failed. ret: %d", ret)); |
| |
| // NOTE: Check specification for recommended Advertising Interval range for Fast Advertising |
| // ret = bt_adapter_le_set_advertising_interval(mAdvertiser, BT_LE_ADV_INTERVAL_MIN, BT_LE_ADV_INTERVAL_MIN); |
| } |
| else |
| { |
| // NOTE: Check specification for recommended Advertising Interval range for Slow Advertising |
| // ret = bt_adapter_le_set_advertising_interval(mAdvertiser, BT_LE_ADV_INTERVAL_MAX, BT_LE_ADV_INTERVAL_MAX); |
| } |
| |
| err = ConfigurationMgr().GetBLEDeviceIdentificationInfo(deviceIdInfo); |
| VerifyOrExit(err == CHIP_NO_ERROR, ChipLogError(DeviceLayer, "GetBLEDeviceIdentificationInfo() failed. %s", ErrorStr(err))); |
| |
| memcpy(service_data, &deviceIdInfo, sizeof(service_data)); |
| ret = bt_adapter_le_add_advertising_service_data(mAdvertiser, BT_ADAPTER_LE_PACKET_ADVERTISING, chip_ble_service_uuid_short, |
| service_data, sizeof(service_data)); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_adapter_le_add_advertising_service_data() failed. ret: %d", ret)); |
| |
| err = SystemInfo::GetPlatformVersion(version); |
| VerifyOrExit(err == CHIP_NO_ERROR, ChipLogError(DeviceLayer, "GetPlatformVersion() failed. %s", ErrorStr(err))); |
| if (version.mMajor >= 8) |
| { |
| ret = bt_adapter_le_set_advertising_flags( |
| mAdvertiser, BT_ADAPTER_LE_ADVERTISING_FLAGS_GEN_DISC | BT_ADAPTER_LE_ADVERTISING_FLAGS_BREDR_UNSUP); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_le_set_advertising_flags() failed. ret: %d", ret)); |
| } |
| else |
| { |
| ChipLogProgress(DeviceLayer, "setting function of advertising flags is available from tizen 7.5 or later"); |
| } |
| |
| ret = bt_adapter_le_set_advertising_device_name(mAdvertiser, BT_ADAPTER_LE_PACKET_ADVERTISING, true); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_adapter_le_set_advertising_device_name() failed. ret: %d", ret)); |
| |
| BLEManagerImpl::NotifyBLEPeripheralAdvConfiguredComplete(true, nullptr); |
| |
| ret = bt_adapter_le_start_advertising_new(mAdvertiser, AdvertisingStateChangedCb, nullptr); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_le_start_advertising_new() failed. ret: %d", ret)); |
| sInstance.mAdvReqInProgress = true; |
| return ret; |
| |
| exit: |
| BLEManagerImpl::NotifyBLEPeripheralAdvStartComplete(false, nullptr); |
| return ret; |
| } |
| |
| int BLEManagerImpl::StopBLEAdvertising() |
| { |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "Stop Advertising"); |
| ret = bt_adapter_le_stop_advertising(mAdvertiser); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_le_stop_advertising() failed. ret: %d", ret)); |
| sInstance.mAdvReqInProgress = true; |
| return ret; |
| |
| exit: |
| BLEManagerImpl::NotifyBLEPeripheralAdvStopComplete(false, nullptr); |
| return ret; |
| } |
| |
| void BLEManagerImpl::InitConnectionData() |
| { |
| /* Initialize Hashmap */ |
| if (!mConnectionMap) |
| { |
| mConnectionMap = g_hash_table_new(g_str_hash, g_str_equal); |
| ChipLogProgress(DeviceLayer, "GATT Connection HashMap created"); |
| } |
| } |
| |
| static bool __GattClientForeachCharCb(int total, int index, bt_gatt_h charHandle, void * data) |
| { |
| bt_gatt_type_e type; |
| char * uuid = nullptr; |
| auto conn = static_cast<BLEConnection *>(data); |
| |
| VerifyOrExit(__GetAttInfo(charHandle, &uuid, &type) == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "Failed to fetch GATT Attribute from CHAR handle")); |
| |
| if (strcasecmp(uuid, chip_ble_char_c1_tx_uuid) == 0) |
| { |
| ChipLogProgress(DeviceLayer, "CHIP Char C1 TX Found [%s]", StringOrNullMarker(uuid)); |
| conn->gattCharC1Handle = charHandle; |
| } |
| else if (strcasecmp(uuid, chip_ble_char_c2_rx_uuid) == 0) |
| { |
| ChipLogProgress(DeviceLayer, "CHIP Char C2 RX Found [%s]", StringOrNullMarker(uuid)); |
| conn->gattCharC2Handle = charHandle; |
| } |
| g_free(uuid); |
| |
| exit: |
| /* Try next Char UUID */ |
| return true; |
| } |
| |
| static bool __GattClientForeachServiceCb(int total, int index, bt_gatt_h svcHandle, void * data) |
| { |
| bt_gatt_type_e type; |
| char * uuid = nullptr; |
| auto conn = static_cast<BLEConnection *>(data); |
| ChipLogProgress(DeviceLayer, "__GattClientForeachServiceCb"); |
| |
| VerifyOrExit(__GetAttInfo(svcHandle, &uuid, &type) == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "Failed to fetch GATT Attribute from SVC handle")); |
| |
| if (strcasecmp(uuid, chip_ble_service_uuid) == 0) |
| { |
| ChipLogProgress(DeviceLayer, "CHIP Service UUID Found [%s]", StringOrNullMarker(uuid)); |
| |
| if (bt_gatt_service_foreach_characteristics(svcHandle, __GattClientForeachCharCb, conn) == BT_ERROR_NONE) |
| conn->isChipDevice = true; |
| |
| /* Got CHIP Device, no need to process further service */ |
| g_free(uuid); |
| return false; |
| } |
| g_free(uuid); |
| |
| exit: |
| /* Try next Service UUID */ |
| return true; |
| } |
| |
| bool BLEManagerImpl::IsDeviceChipPeripheral(BLE_CONNECTION_OBJECT conId) |
| { |
| auto conn = static_cast<BLEConnection *>(conId); |
| |
| if (bt_gatt_client_foreach_services(sInstance.mGattClient, __GattClientForeachServiceCb, conn) != BT_ERROR_NONE) |
| ChipLogError(DeviceLayer, "Error Browsing GATT services"); |
| |
| return (conn->isChipDevice ? true : false); |
| } |
| |
| void BLEManagerImpl::AddConnectionData(const char * remoteAddr) |
| { |
| BLEConnection * conn; |
| ChipLogProgress(DeviceLayer, "AddConnectionData for [%s]", StringOrNullMarker(remoteAddr)); |
| |
| if (!g_hash_table_lookup(mConnectionMap, remoteAddr)) |
| { |
| ChipLogProgress(DeviceLayer, "Connection not found in map [%s]", StringOrNullMarker(remoteAddr)); |
| conn = static_cast<BLEConnection *>(g_malloc0(sizeof(BLEConnection))); |
| conn->peerAddr = g_strdup(remoteAddr); |
| |
| int ret; |
| if ((ret = bt_gatt_server_get_device_mtu(remoteAddr, &conn->mtu) != BT_ERROR_NONE)) |
| { |
| ChipLogError(DeviceLayer, "Failed to get MTU for [%s]. ret: %s", StringOrNullMarker(remoteAddr), |
| get_error_message(ret)); |
| } |
| |
| if (sInstance.mIsCentral) |
| { |
| /* Local Device is BLE Central Role */ |
| if (IsDeviceChipPeripheral(conn)) |
| { |
| g_hash_table_insert(mConnectionMap, (gpointer) conn->peerAddr, conn); |
| ChipLogProgress(DeviceLayer, "New Connection Added for [%s]", StringOrNullMarker(remoteAddr)); |
| NotifyHandleNewConnection(conn); |
| } |
| else |
| { |
| g_free(conn->peerAddr); |
| g_free(conn); |
| } |
| } |
| else |
| { |
| /* Local Device is BLE Peripheral Role, assume remote is CHIP Central */ |
| conn->isChipDevice = true; |
| |
| /* Save own gatt handles */ |
| conn->gattCharC1Handle = mGattCharC1Handle; |
| conn->gattCharC2Handle = mGattCharC2Handle; |
| |
| g_hash_table_insert(mConnectionMap, (gpointer) conn->peerAddr, conn); |
| ChipLogProgress(DeviceLayer, "New Connection Added for [%s]", StringOrNullMarker(remoteAddr)); |
| } |
| } |
| } |
| |
| void BLEManagerImpl::RemoveConnectionData(const char * remoteAddr) |
| { |
| BLEConnection * conn = nullptr; |
| ChipLogProgress(DeviceLayer, "Connection Remove Request for [%s]", StringOrNullMarker(remoteAddr)); |
| |
| VerifyOrReturn(mConnectionMap != nullptr, ChipLogError(DeviceLayer, "Connection map does not exist")); |
| |
| conn = static_cast<BLEConnection *>(g_hash_table_lookup(mConnectionMap, remoteAddr)); |
| VerifyOrReturn(conn != nullptr, |
| ChipLogError(DeviceLayer, "Connection does not exist for [%s]", StringOrNullMarker(remoteAddr))); |
| |
| g_hash_table_remove(mConnectionMap, conn->peerAddr); |
| |
| g_free(conn->peerAddr); |
| g_free(conn); |
| |
| if (!g_hash_table_size(mConnectionMap)) |
| mConnectionMap = nullptr; |
| |
| ChipLogProgress(DeviceLayer, "Connection Removed"); |
| } |
| |
| void BLEManagerImpl::HandleC1CharWriteEvent(BLE_CONNECTION_OBJECT conId, const uint8_t * value, size_t len) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| System::PacketBufferHandle buf; |
| |
| ChipLogProgress(DeviceLayer, "Write request received for CHIPoBLE Client TX characteristic (data len %u)", |
| static_cast<unsigned int>(len)); |
| // Copy the data to a packet buffer. |
| buf = System::PacketBufferHandle::NewWithData(value, len); |
| VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY); |
| NotifyBLEWriteReceived(buf, conId); |
| return; |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "HandleC1CharWriteEvent() failed: %s", ErrorStr(err)); |
| } |
| } |
| |
| void BLEManagerImpl::HandleRXCharChanged(BLE_CONNECTION_OBJECT conId, const uint8_t * value, size_t len) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| System::PacketBufferHandle buf; |
| |
| ChipLogProgress(DeviceLayer, "Notification received on CHIPoBLE Client RX characteristic (data len %u)", |
| static_cast<unsigned int>(len)); |
| // Copy the data to a packet buffer. |
| buf = System::PacketBufferHandle::NewWithData(value, len); |
| VerifyOrExit(!buf.IsNull(), err = CHIP_ERROR_NO_MEMORY); |
| NotifyBLENotificationReceived(buf, conId); |
| return; |
| exit: |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "HandleRXCharChanged() failed: %s", ErrorStr(err)); |
| } |
| } |
| |
| void BLEManagerImpl::HandleConnectionEvent(bool connected, const char * remoteAddress) |
| { |
| if (connected) |
| { |
| ChipLogProgress(DeviceLayer, "Device Connected [%s]", StringOrNullMarker(remoteAddress)); |
| AddConnectionData(remoteAddress); |
| } |
| else |
| { |
| ChipLogProgress(DeviceLayer, "Device DisConnected [%s]", StringOrNullMarker(remoteAddress)); |
| RemoveConnectionData(remoteAddress); |
| } |
| } |
| |
| void BLEManagerImpl::DriveBLEState() |
| { |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "Enter DriveBLEState"); |
| |
| if (!mIsCentral && mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && !mFlags.Has(Flags::kAppRegistered)) |
| { |
| ret = RegisterGATTServer(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Register GATT Server Failed. ret: %d", ret)); |
| |
| ChipLogProgress(DeviceLayer, "GATT Service Registered"); |
| mFlags.Set(Flags::kAppRegistered); |
| ExitNow(); |
| } |
| |
| if (mServiceMode == ConnectivityManager::kCHIPoBLEServiceMode_Enabled && mFlags.Has(Flags::kAdvertisingEnabled)) |
| { |
| if (!mFlags.Has(Flags::kAdvertising)) |
| { |
| ret = StartBLEAdvertising(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Start Advertising Failed. ret: %d", ret)); |
| } |
| else if (mFlags.Has(Flags::kAdvertisingRefreshNeeded)) |
| { |
| ChipLogProgress(DeviceLayer, "Advertising Refreshed Needed. Stop Advertising"); |
| ret = StopBLEAdvertising(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Stop Advertising Failed. ret: %d", ret)); |
| } |
| } |
| else if (mFlags.Has(Flags::kAdvertising)) |
| { |
| ChipLogProgress(DeviceLayer, "Stop Advertising"); |
| |
| ret = StopBLEAdvertising(); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "Stop Advertising Failed. ret: %d", ret)); |
| |
| ret = bt_adapter_le_destroy_advertiser(mAdvertiser); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_adapter_le_destroy_advertiser() failed. ret: %d", ret)); |
| mAdvertiser = nullptr; |
| } |
| |
| exit: |
| if (ret != BT_ERROR_NONE) |
| { |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Disabled; |
| } |
| } |
| |
| void BLEManagerImpl::DriveBLEState(intptr_t arg) |
| { |
| sInstance.DriveBLEState(); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_Init() |
| { |
| CHIP_ERROR err; |
| |
| err = BleLayer::Init(this, this, this, &DeviceLayer::SystemLayer()); |
| SuccessOrExit(err); |
| |
| mServiceMode = ConnectivityManager::kCHIPoBLEServiceMode_Enabled; |
| |
| ChipLogProgress(DeviceLayer, "Initialize BLE"); |
| err = PlatformMgrImpl().GLibMatterContextInvokeSync(_BleInitialize, static_cast<void *>(nullptr)); |
| SuccessOrExit(err); |
| |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| |
| exit: |
| return err; |
| } |
| |
| void BLEManagerImpl::_Shutdown() |
| { |
| int ret = bt_deinitialize(); |
| VerifyOrReturn(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_deinitialize() failed. ret: %d", ret)); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetAdvertisingEnabled(bool val) |
| { |
| mFlags.Set(Flags::kAdvertisingEnabled, val); |
| PlatformMgr().ScheduleWork(DriveBLEState, 0); |
| return CHIP_NO_ERROR; |
| } |
| |
| 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) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| int ret; |
| char * deviceName = nullptr; |
| |
| VerifyOrExit(buf != nullptr, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| ret = bt_adapter_get_name(&deviceName); |
| if (ret != BT_ERROR_NONE) |
| { |
| ChipLogError(DeviceLayer, "bt_adapter_get_name() failed. ret: %d", ret); |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| VerifyOrExit(deviceName != nullptr, err = CHIP_ERROR_INTERNAL); |
| VerifyOrExit(strlen(deviceName) >= bufSize, err = CHIP_ERROR_BUFFER_TOO_SMALL); |
| |
| g_strlcpy(buf, deviceName, bufSize); |
| ChipLogProgress(DeviceLayer, "DeviceName: %s", buf); |
| |
| exit: |
| return err; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::_SetDeviceName(const char * deviceName) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| int ret; |
| |
| VerifyOrExit(deviceName != nullptr, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| ret = bt_adapter_set_name(deviceName); |
| if (ret != BT_ERROR_NONE) |
| { |
| ChipLogError(DeviceLayer, "bt_adapter_set_name() failed. ret: %d", ret); |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| exit: |
| return err; |
| } |
| |
| uint16_t BLEManagerImpl::_NumConnections() |
| { |
| return 0; |
| } |
| |
| CHIP_ERROR BLEManagerImpl::ConfigureBle(uint32_t aAdapterId, bool aIsCentral) |
| { |
| mAdapterId = aAdapterId; |
| mIsCentral = aIsCentral; |
| return CHIP_NO_ERROR; |
| } |
| |
| void BLEManagerImpl::CleanScanConfig() |
| { |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| DeviceLayer::SystemLayer().CancelTimer(HandleConnectionTimeout, nullptr); |
| |
| mBLEScanConfig.mBleScanState = BleScanState::kNotScanning; |
| } |
| |
| void BLEManagerImpl::HandlePlatformSpecificBLEEvent(const ChipDeviceEvent * apEvent) |
| { |
| ChipLogDetail(DeviceLayer, "HandlePlatformSpecificBLEEvent %d", apEvent->Type); |
| |
| switch (apEvent->Type) |
| { |
| case DeviceEventType::kPlatformTizenBLECentralConnected: |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| { |
| BleConnectionDelegate::OnConnectionComplete(mBLEScanConfig.mAppState, |
| apEvent->Platform.BLECentralConnected.mConnection); |
| CleanScanConfig(); |
| } |
| break; |
| case DeviceEventType::kPlatformTizenBLECentralConnectFailed: |
| if (mBLEScanConfig.mBleScanState == BleScanState::kConnecting) |
| { |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, apEvent->Platform.BLECentralConnectFailed.mError); |
| CleanScanConfig(); |
| } |
| break; |
| case DeviceEventType::kPlatformTizenBLEWriteComplete: { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_write_uuid; |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c1_tx_uuid, char_write_uuid); |
| |
| HandleWriteConfirmation(apEvent->Platform.BLEWriteComplete.mConnection, &service_uuid, &char_write_uuid); |
| break; |
| } |
| case DeviceEventType::kPlatformTizenBLESubscribeOpComplete: { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_notif_uuid; |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notif_uuid); |
| |
| if (apEvent->Platform.BLESubscribeOpComplete.mIsSubscribed) |
| HandleSubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &service_uuid, &char_notif_uuid); |
| else |
| HandleUnsubscribeComplete(apEvent->Platform.BLESubscribeOpComplete.mConnection, &service_uuid, &char_notif_uuid); |
| break; |
| } |
| case DeviceEventType::kPlatformTizenBLEIndicationReceived: { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_notif_uuid; |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notif_uuid); |
| |
| HandleIndicationReceived(apEvent->Platform.BLEIndicationReceived.mConnection, &service_uuid, &char_notif_uuid, |
| System::PacketBufferHandle::Adopt(apEvent->Platform.BLEIndicationReceived.mData)); |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| |
| void BLEManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event) |
| { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_notification_uuid; |
| Ble::ChipBleUUID char_write_uuid; |
| |
| switch (event->Type) |
| { |
| case DeviceEventType::kCHIPoBLESubscribe: |
| ChipLogProgress(DeviceLayer, "CHIPoBLESubscribe"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notification_uuid); |
| |
| HandleSubscribeReceived(event->CHIPoBLESubscribe.ConId, &service_uuid, &char_notification_uuid); |
| NotifyBLEConnectionEstablished(event->CHIPoBLESubscribe.ConId, CHIP_NO_ERROR); |
| break; |
| case DeviceEventType::kCHIPoBLEUnsubscribe: |
| ChipLogProgress(DeviceLayer, "CHIPoBLEUnsubscribe"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notification_uuid); |
| |
| HandleUnsubscribeReceived(event->CHIPoBLESubscribe.ConId, &service_uuid, &char_notification_uuid); |
| break; |
| case DeviceEventType::kCHIPoBLEWriteReceived: |
| ChipLogProgress(DeviceLayer, "CHIPoBLEWriteReceived"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c1_tx_uuid, char_write_uuid); |
| HandleWriteReceived(event->CHIPoBLEWriteReceived.ConId, &service_uuid, &char_write_uuid, |
| System::PacketBufferHandle::Adopt(event->CHIPoBLEWriteReceived.Data)); |
| break; |
| case DeviceEventType::kCHIPoBLEIndicateConfirm: |
| ChipLogProgress(DeviceLayer, "CHIPoBLEIndicateConfirm"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notification_uuid); |
| HandleIndicationConfirmation(event->CHIPoBLEIndicateConfirm.ConId, &service_uuid, &char_notification_uuid); |
| break; |
| case DeviceEventType::kCHIPoBLEConnectionError: |
| ChipLogProgress(DeviceLayer, "CHIPoBLEConnectionError"); |
| |
| HandleConnectionError(event->CHIPoBLEConnectionError.ConId, event->CHIPoBLEConnectionError.Reason); |
| break; |
| case DeviceEventType::kServiceProvisioningChange: |
| break; |
| default: |
| HandlePlatformSpecificBLEEvent(event); |
| break; |
| } |
| } |
| |
| uint16_t BLEManagerImpl::GetMTU(BLE_CONNECTION_OBJECT conId) const |
| { |
| auto conn = static_cast<BLEConnection *>(conId); |
| return (conn != nullptr) ? static_cast<uint16_t>(conn->mtu) : 0; |
| } |
| |
| bool BLEManagerImpl::SubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, |
| const Ble::ChipBleUUID * charId) |
| { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_notif_uuid; |
| auto conn = static_cast<BLEConnection *>(conId); |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "SubscribeCharacteristic"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notif_uuid); |
| |
| VerifyOrExit(conn != nullptr, ChipLogError(DeviceLayer, "Invalid Connection")); |
| VerifyOrExit(Ble::UUIDsMatch(svcId, &service_uuid), |
| ChipLogError(DeviceLayer, "SubscribeCharacteristic() called with invalid service ID")); |
| VerifyOrExit(Ble::UUIDsMatch(charId, &char_notif_uuid), |
| ChipLogError(DeviceLayer, "SubscribeCharacteristic() called with invalid characteristic ID")); |
| VerifyOrExit(conn->gattCharC2Handle != nullptr, ChipLogError(DeviceLayer, "Char C2 is null")); |
| |
| ChipLogProgress(DeviceLayer, "Sending Notification Enable Request to CHIP Peripheral(con %s)", conn->peerAddr); |
| |
| ret = bt_gatt_client_set_characteristic_value_changed_cb(conn->gattCharC2Handle, CharacteristicNotificationCb, conn); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_gatt_client_set_characteristic_value_changed_cb() failed. ret: %d", ret)); |
| sInstance.NotifySubscribeOpComplete(conn, true); |
| return true; |
| exit: |
| return false; |
| } |
| |
| bool BLEManagerImpl::UnsubscribeCharacteristic(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, |
| const Ble::ChipBleUUID * charId) |
| { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_notif_uuid; |
| auto conn = static_cast<BLEConnection *>(conId); |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "UnSubscribeCharacteristic"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c2_rx_uuid, char_notif_uuid); |
| |
| VerifyOrExit(conn != nullptr, ChipLogError(DeviceLayer, "Invalid Connection")); |
| VerifyOrExit(Ble::UUIDsMatch(svcId, &service_uuid), |
| ChipLogError(DeviceLayer, "UnSubscribeCharacteristic() called with invalid service ID")); |
| VerifyOrExit(Ble::UUIDsMatch(charId, &char_notif_uuid), |
| ChipLogError(DeviceLayer, "UnSubscribeCharacteristic() called with invalid characteristic ID")); |
| VerifyOrExit(conn->gattCharC2Handle != nullptr, ChipLogError(DeviceLayer, "Char C2 is null")); |
| |
| ChipLogProgress(DeviceLayer, "Disable Notification Request to CHIP Peripheral(con %s)", conn->peerAddr); |
| |
| ret = bt_gatt_client_unset_characteristic_value_changed_cb(conn->gattCharC2Handle); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_gatt_client_unset_characteristic_value_changed_cb() failed. ret: %d", ret)); |
| sInstance.NotifySubscribeOpComplete(conn, false); |
| return true; |
| exit: |
| return false; |
| } |
| |
| bool BLEManagerImpl::CloseConnection(BLE_CONNECTION_OBJECT conId) |
| { |
| auto conn = static_cast<BLEConnection *>(conId); |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "Close BLE Connection"); |
| |
| conn = static_cast<BLEConnection *>(g_hash_table_lookup(sInstance.mConnectionMap, conn->peerAddr)); |
| VerifyOrExit(conn != nullptr, ChipLogError(DeviceLayer, "Failed to find connection info")); |
| |
| ChipLogProgress(DeviceLayer, "Send GATT disconnect to [%s]", conn->peerAddr); |
| ret = bt_gatt_disconnect(conn->peerAddr); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_disconnect() failed. ret: %d", ret)); |
| |
| RemoveConnectionData(conn->peerAddr); |
| return true; |
| |
| exit: |
| return false; |
| } |
| |
| bool BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId, |
| System::PacketBufferHandle pBuf) |
| { |
| auto conn = static_cast<BLEConnection *>(conId); |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "SendIndication"); |
| |
| conn = static_cast<BLEConnection *>(g_hash_table_lookup(sInstance.mConnectionMap, conn->peerAddr)); |
| VerifyOrExit(conn != nullptr, ChipLogError(DeviceLayer, "Failed to find connection info")); |
| |
| ret = bt_gatt_set_value(mGattCharC2Handle, Uint8::to_const_char(pBuf->Start()), pBuf->DataLength()); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_set_value() failed. ret: %d", ret)); |
| |
| ChipLogProgress(DeviceLayer, "Sending indication for CHIPoBLE RX characteristic (con %s, len %u)", conn->peerAddr, |
| pBuf->DataLength()); |
| |
| ret = bt_gatt_server_notify_characteristic_changed_value(mGattCharC2Handle, IndicationConfirmationCb, conn->peerAddr, nullptr); |
| VerifyOrExit(ret == BT_ERROR_NONE, |
| ChipLogError(DeviceLayer, "bt_gatt_server_notify_characteristic_changed_value() failed. ret: %d", ret)); |
| return true; |
| |
| exit: |
| return false; |
| } |
| |
| bool BLEManagerImpl::SendWriteRequest(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId, |
| System::PacketBufferHandle pBuf) |
| { |
| Ble::ChipBleUUID service_uuid; |
| Ble::ChipBleUUID char_write_uuid; |
| auto conn = static_cast<BLEConnection *>(conId); |
| int ret = BT_ERROR_NONE; |
| |
| ChipLogProgress(DeviceLayer, "SendWriteRequest"); |
| |
| StringToUUID(chip_ble_service_uuid, service_uuid); |
| StringToUUID(chip_ble_char_c1_tx_uuid, char_write_uuid); |
| |
| VerifyOrExit(conn != nullptr, ChipLogError(DeviceLayer, "Invalid Connection")); |
| VerifyOrExit(Ble::UUIDsMatch(svcId, &service_uuid), |
| ChipLogError(DeviceLayer, "SendWriteRequest() called with invalid service ID")); |
| VerifyOrExit(Ble::UUIDsMatch(charId, &char_write_uuid), |
| ChipLogError(DeviceLayer, "SendWriteRequest() called with invalid characteristic ID")); |
| VerifyOrExit(conn->gattCharC1Handle != nullptr, ChipLogError(DeviceLayer, "Char C1 is null")); |
| |
| ret = bt_gatt_set_value(conn->gattCharC1Handle, Uint8::to_const_char(pBuf->Start()), pBuf->DataLength()); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_set_value() failed. ret: %d", ret)); |
| |
| ChipLogProgress(DeviceLayer, "Sending Write Request for CHIPoBLE TX characteristic (con %s, len %u)", conn->peerAddr, |
| pBuf->DataLength()); |
| |
| ret = bt_gatt_client_write_value(conn->gattCharC1Handle, WriteCompletedCb, conn); |
| VerifyOrExit(ret == BT_ERROR_NONE, ChipLogError(DeviceLayer, "bt_gatt_client_write_value() failed. ret: %d", ret)); |
| return true; |
| exit: |
| return false; |
| } |
| |
| bool BLEManagerImpl::SendReadRequest(BLE_CONNECTION_OBJECT conId, const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId, |
| System::PacketBufferHandle pBuf) |
| { |
| return false; |
| } |
| |
| bool BLEManagerImpl::SendReadResponse(BLE_CONNECTION_OBJECT conId, BLE_READ_REQUEST_CONTEXT requestContext, |
| const Ble::ChipBleUUID * svcId, const Ble::ChipBleUUID * charId) |
| { |
| return false; |
| } |
| |
| void BLEManagerImpl::NotifyChipConnectionClosed(BLE_CONNECTION_OBJECT conId) {} |
| |
| void BLEManagerImpl::NewConnection(BleLayer * bleLayer, void * appState, const SetupDiscriminator & connDiscriminator) |
| { |
| mBLEScanConfig.mDiscriminator = connDiscriminator; |
| mBLEScanConfig.mAppState = appState; |
| if (connDiscriminator.IsShortDiscriminator()) |
| { |
| ChipLogProgress(DeviceLayer, "NewConnection: short discriminator value [%u]", connDiscriminator.GetShortValue()); |
| } |
| else |
| { |
| ChipLogProgress(DeviceLayer, "NewConnection: long discriminator value [%u]", connDiscriminator.GetLongValue()); |
| } |
| |
| // Initiate Scan. |
| PlatformMgr().ScheduleWork(InitiateScan, static_cast<intptr_t>(BleScanState::kScanForDiscriminator)); |
| } |
| |
| void BLEManagerImpl::InitiateScan(BleScanState scanType) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| ScanFilterData data = { |
| { 0x0 }, |
| }; |
| |
| ChipLogProgress(DeviceLayer, "Initiate Scan"); |
| |
| /* Check Scanning state */ |
| if (scanType == BleScanState::kNotScanning) |
| { |
| err = CHIP_ERROR_INCORRECT_STATE; |
| ChipLogError(DeviceLayer, "Invalid scan type requested"); |
| goto exit; |
| } |
| /* Check Tizen BLE layer is initialized or not */ |
| if (!mFlags.Has(Flags::kTizenBLELayerInitialized)) |
| { |
| err = CHIP_ERROR_INCORRECT_STATE; |
| ChipLogError(DeviceLayer, "Tizen BLE Layer is not yet initialized"); |
| goto exit; |
| } |
| /* Setup ScanFilter */ |
| memset(&data.service_data, 0x00, sizeof(data.service_data)); |
| data.service_data_len = 0; |
| strcpy(data.service_uuid, chip_ble_service_uuid_short); |
| |
| /* Acquire Chip Device Scanner */ |
| if (!mDeviceScanner) |
| mDeviceScanner = Internal::ChipDeviceScanner::Create(this); |
| |
| if (!mDeviceScanner) |
| { |
| err = CHIP_ERROR_INTERNAL; |
| ChipLogError(DeviceLayer, "Failed to create a BLE device scanner"); |
| goto exit; |
| } |
| |
| /* Send StartChipScan Request to Scanner Class */ |
| err = mDeviceScanner->StartChipScan(kNewConnectionScanTimeout, ScanFilterType::kServiceData, data); |
| VerifyOrExit(err == CHIP_NO_ERROR, ChipLogError(DeviceLayer, "Failed to start a BLE scan")); |
| |
| ChipLogProgress(DeviceLayer, "BLE scan initiation successful"); |
| mBLEScanConfig.mBleScanState = scanType; |
| return; |
| |
| exit: |
| ChipLogError(DeviceLayer, "BLE scan initiation failed: %" CHIP_ERROR_FORMAT, err.Format()); |
| mBLEScanConfig.mBleScanState = BleScanState::kNotScanning; |
| BleConnectionDelegate::OnConnectionError(mBLEScanConfig.mAppState, err); |
| } |
| |
| void BLEManagerImpl::InitiateScan(intptr_t arg) |
| { |
| sInstance.InitiateScan(static_cast<BleScanState>(arg)); |
| } |
| |
| CHIP_ERROR BLEManagerImpl::CancelConnection() |
| { |
| return CHIP_ERROR_NOT_IMPLEMENTED; |
| } |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |
