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[example/nrfconnect] Added support for sending UDP broadcast messages. (
project-chip#3110) * [example/nrfconnect] Added support for sending UDP broadcast messages. nrfconnect platform doesn't support sending UDP broadcast messages periodically by PublishService as other platforms do (e.h. nrf5) * Added Service component with PublishService implementation to support sending UDP broadcast messages. * Restyled by clang-format Co-authored-by: Restyled.io <commits@restyled.io>
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * | ||
| * Copyright (c) 2020 Project CHIP Authors | ||
| * | ||
| * 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 | ||
| * This file implements the service publishing code for example usage. | ||
| */ | ||
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| #include "Service.h" | ||
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| #include <string.h> | ||
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| #include <logging/log.h> | ||
| #include <platform/CHIPDeviceLayer.h> | ||
| #include <zephyr.h> | ||
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| #if CHIP_ENABLE_OPENTHREAD | ||
| #include <openthread/message.h> | ||
| #include <openthread/udp.h> | ||
| #include <platform/OpenThread/OpenThreadUtils.h> | ||
| #include <platform/ThreadStackManager.h> | ||
| #include <platform/nrfconnect/ThreadStackManagerImpl.h> | ||
| #endif | ||
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| LOG_MODULE_DECLARE(serv); | ||
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| // Transport Callbacks | ||
| namespace { | ||
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| char deviceName[CONFIG_BT_DEVICE_NAME_MAX]; | ||
| constexpr uint16_t kUDPBroadcastPort = 23367; | ||
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| } // namespace | ||
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| void PublishService() | ||
| { | ||
| chip::Inet::IPAddress addr; | ||
| if (!chip::DeviceLayer::ConnectivityMgrImpl().IsThreadAttached()) | ||
| { | ||
| return; | ||
| } | ||
| chip::DeviceLayer::ThreadStackMgrImpl().LockThreadStack(); | ||
| otError error = OT_ERROR_NONE; | ||
| otMessageInfo messageInfo; | ||
| otUdpSocket mSocket; | ||
| otMessage * message = nullptr; | ||
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| memset(&mSocket, 0, sizeof(mSocket)); | ||
| memset(&messageInfo, 0, sizeof(messageInfo)); | ||
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| // Use mesh local EID by default, if we have GUA, use that IP address. | ||
| memcpy(&messageInfo.mSockAddr, otThreadGetMeshLocalEid(chip::DeviceLayer::ThreadStackMgrImpl().OTInstance()), | ||
| sizeof(messageInfo.mSockAddr)); | ||
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| // Select a address to send | ||
| const otNetifAddress * otAddrs = otIp6GetUnicastAddresses(chip::DeviceLayer::ThreadStackMgrImpl().OTInstance()); | ||
| for (const otNetifAddress * otAddr = otAddrs; otAddr != NULL; otAddr = otAddr->mNext) | ||
| { | ||
| addr = chip::DeviceLayer::Internal::ToIPAddress(otAddr->mAddress); | ||
| if (otAddr->mValid && addr.IsIPv6GlobalUnicast()) | ||
| { | ||
| memcpy(&messageInfo.mSockAddr, &(otAddr->mAddress), sizeof(otAddr->mAddress)); | ||
| break; | ||
| } | ||
| } | ||
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| message = otUdpNewMessage(chip::DeviceLayer::ThreadStackMgrImpl().OTInstance(), nullptr); | ||
| otIp6AddressFromString("ff03::1", &messageInfo.mPeerAddr); | ||
| messageInfo.mPeerPort = kUDPBroadcastPort; | ||
| otMessageAppend(message, deviceName, static_cast<uint16_t>(strlen(deviceName))); | ||
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| error = otUdpSend(chip::DeviceLayer::ThreadStackMgrImpl().OTInstance(), &mSocket, message, &messageInfo); | ||
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| if (error != OT_ERROR_NONE && message != nullptr) | ||
| { | ||
| otMessageFree(message); | ||
| LOG_INF("Failed to otUdpSend: %d", error); | ||
| } | ||
| chip::DeviceLayer::ThreadStackMgrImpl().UnlockThreadStack(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2020 Project CHIP Authors | ||
| * | ||
| * 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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| #ifndef NRFCONNECT_COMMON_SERVICE_H | ||
| #define NRFCONNECT_COMMON_SERVICE_H | ||
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| void PublishService(); | ||
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| #endif // NRFCONNECT_COMMON_SERVICE_H |