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Add SetUpCodePairer::PairDevice to handle scanning from a setup code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2021 Project CHIP Authors | ||
| * All rights reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| /** | ||
| * @file | ||
| * Implementation of SetUp Code Pairer, a class that parses a given | ||
| * setup code and uses the extracted informations to discover and | ||
| * filter commissionables nodes, before initiating the pairing process. | ||
| * | ||
| */ | ||
|
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| #include <controller/SetUpCodePairer.h> | ||
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| #include <controller/CHIPDeviceController.h> | ||
| #include <lib/mdns/Resolver.h> | ||
| #include <lib/support/CodeUtils.h> | ||
|
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| namespace chip { | ||
| namespace Controller { | ||
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| CHIP_ERROR SetUpCodePairer::PairDevice(NodeId remoteId, const char * setUpCode) | ||
| { | ||
| SetupPayload payload; | ||
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| bool isQRCode = strncmp(setUpCode, kQRCodePrefix, strlen(kQRCodePrefix)) == 0; | ||
| ReturnErrorOnFailure(isQRCode ? QRCodeSetupPayloadParser(setUpCode).populatePayload(payload) | ||
| : ManualSetupPayloadParser(setUpCode).populatePayload(payload)); | ||
|
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| mRemoteId = remoteId; | ||
| mSetUpPINCode = payload.setUpPINCode; | ||
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| return Connect(payload.rendezvousInformation, payload.discriminator, !isQRCode); | ||
| } | ||
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| CHIP_ERROR SetUpCodePairer::Connect(RendezvousInformationFlag rendezvousInformation, uint16_t discriminator, bool isShort) | ||
| { | ||
| CHIP_ERROR err = CHIP_NO_ERROR; | ||
| bool isRunning = false; | ||
|
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| bool searchOverAll = rendezvousInformation == RendezvousInformationFlag::kNone; | ||
| if (searchOverAll || rendezvousInformation == RendezvousInformationFlag::kBLE) | ||
| { | ||
| if (CHIP_NO_ERROR == (err = StartDiscoverOverBle(discriminator, isShort))) | ||
| { | ||
| isRunning = true; | ||
| } | ||
| VerifyOrReturnError(searchOverAll || CHIP_NO_ERROR == err, err); | ||
| } | ||
|
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| if (searchOverAll || rendezvousInformation == RendezvousInformationFlag::kOnNetwork) | ||
| { | ||
| if (CHIP_NO_ERROR == (err = StartDiscoverOverIP(discriminator, isShort))) | ||
| { | ||
| isRunning = true; | ||
| } | ||
| VerifyOrReturnError(searchOverAll || CHIP_NO_ERROR == err, err); | ||
| } | ||
|
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| if (searchOverAll || rendezvousInformation == RendezvousInformationFlag::kSoftAP) | ||
| { | ||
| if (CHIP_NO_ERROR == (err = StartDiscoverOverSoftAP(discriminator, isShort))) | ||
| { | ||
| isRunning = true; | ||
| } | ||
| VerifyOrReturnError(searchOverAll || CHIP_NO_ERROR == err, err); | ||
| } | ||
|
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| return isRunning ? CHIP_NO_ERROR : CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; | ||
| } | ||
|
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| CHIP_ERROR SetUpCodePairer::StartDiscoverOverBle(uint16_t discriminator, bool isShort) | ||
| { | ||
| #if CONFIG_NETWORK_LAYER_BLE | ||
| VerifyOrReturnError(mBleLayer != nullptr, CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE); | ||
| return mBleLayer->NewBleConnectionByDiscriminator(discriminator, this, OnDiscoveredDeviceOverBleSuccess, | ||
| OnDiscoveredDeviceOverBleError); | ||
| #else | ||
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; | ||
| #endif // CONFIG_NETWORK_LAYER_BLE | ||
| } | ||
|
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| CHIP_ERROR SetUpCodePairer::StopConnectOverBle() | ||
| { | ||
| #if CONFIG_NETWORK_LAYER_BLE | ||
| VerifyOrReturnError(mBleLayer != nullptr, CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE); | ||
| return mBleLayer->CancelBleIncompleteConnection(); | ||
| #else | ||
| return CHIP_NO_ERROR; | ||
| #endif // CONFIG_NETWORK_LAYER_BLE | ||
| } | ||
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| CHIP_ERROR SetUpCodePairer::StartDiscoverOverIP(uint16_t discriminator, bool isShort) | ||
| { | ||
| #if CHIP_DEVICE_CONFIG_ENABLE_MDNS | ||
| mCommissioner->RegisterDeviceDiscoveryDelegate(this); | ||
| Mdns::DiscoveryFilter filter(isShort ? Mdns::DiscoveryFilterType::kShort : Mdns::DiscoveryFilterType::kLong, discriminator); | ||
| return mCommissioner->DiscoverCommissionableNodes(filter); | ||
| #else | ||
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; | ||
| #endif // CHIP_DEVICE_CONFIG_ENABLE_MDNS | ||
| } | ||
|
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| CHIP_ERROR SetUpCodePairer::StopConnectOverIP() | ||
| { | ||
| #if CHIP_DEVICE_CONFIG_ENABLE_MDNS | ||
| mCommissioner->RegisterDeviceDiscoveryDelegate(nullptr); | ||
| #endif // CHIP_DEVICE_CONFIG_ENABLE_MDNS | ||
| return CHIP_NO_ERROR; | ||
| } | ||
|
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| CHIP_ERROR SetUpCodePairer::StartDiscoverOverSoftAP(uint16_t discriminator, bool isShort) | ||
| { | ||
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; | ||
| } | ||
|
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| CHIP_ERROR SetUpCodePairer::StopConnectOverSoftAP() | ||
| { | ||
| return CHIP_NO_ERROR; | ||
| } | ||
|
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| void SetUpCodePairer::OnDeviceDiscovered(RendezvousParameters & params) | ||
| { | ||
| LogErrorOnFailure(mCommissioner->PairDevice(mRemoteId, params.SetSetupPINCode(mSetUpPINCode))); | ||
| } | ||
|
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| #if CONFIG_NETWORK_LAYER_BLE | ||
| void SetUpCodePairer::OnDiscoveredDeviceOverBle(BLE_CONNECTION_OBJECT connObj) | ||
| { | ||
| LogErrorOnFailure(StopConnectOverIP()); | ||
| LogErrorOnFailure(StopConnectOverSoftAP()); | ||
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| Transport::PeerAddress peerAddress = Transport::PeerAddress::BLE(); | ||
| RendezvousParameters params = RendezvousParameters().SetPeerAddress(peerAddress).SetConnectionObject(connObj); | ||
| OnDeviceDiscovered(params); | ||
| } | ||
|
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| void SetUpCodePairer::OnDiscoveredDeviceOverBleSuccess(void * appState, BLE_CONNECTION_OBJECT connObj) | ||
| { | ||
| (static_cast<SetUpCodePairer *>(appState))->OnDiscoveredDeviceOverBle(connObj); | ||
| } | ||
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| void SetUpCodePairer::OnDiscoveredDeviceOverBleError(void * appState, CHIP_ERROR err) | ||
| { | ||
| LogErrorOnFailure(err); | ||
| } | ||
| #endif // CONFIG_NETWORK_LAYER_BLE | ||
|
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| #if CHIP_DEVICE_CONFIG_ENABLE_MDNS | ||
| void SetUpCodePairer::OnDiscoveredDevice(const Mdns::DiscoveredNodeData & nodeData) | ||
| { | ||
| LogErrorOnFailure(StopConnectOverBle()); | ||
| LogErrorOnFailure(StopConnectOverIP()); | ||
| LogErrorOnFailure(StopConnectOverSoftAP()); | ||
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| Inet::InterfaceId interfaceId = nodeData.ipAddress[0].IsIPv6LinkLocal() ? nodeData.interfaceId[0] : INET_NULL_INTERFACEID; | ||
| Transport::PeerAddress peerAddress = Transport::PeerAddress::UDP(nodeData.ipAddress[0], nodeData.port, interfaceId); | ||
| RendezvousParameters params = RendezvousParameters().SetPeerAddress(peerAddress); | ||
| OnDeviceDiscovered(params); | ||
| } | ||
| #endif // CHIP_DEVICE_CONFIG_ENABLE_MDNS | ||
|
|
||
| } // namespace Controller | ||
| } // namespace chip |
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