[lighting-app] Support event handling in lighting-app for Linux platform

examples/lighting-app/linux/BUILD.gn

@@ -36,6 +36,7 @@ config("includes") {
 
 executable("chip-lighting-app") {
   sources = [
+    "LightingAppCommandDelegate.cpp",
     "include/CHIPProjectAppConfig.h",
     "main.cpp",
   ]
@@ -45,6 +46,7 @@ executable("chip-lighting-app") {
     "${chip_root}/examples/lighting-app/lighting-common:lighting-manager",
     "${chip_root}/examples/platform/linux:app-main",
     "${chip_root}/src/lib",
+    "${chip_root}/third_party/jsoncpp",
   ]
 
   if (chip_examples_enable_imgui_ui) {

examples/lighting-app/linux/LightingAppCommandDelegate.cpp

@@ -0,0 +1,353 @@
+/*
+ *
+ *    Copyright (c) 2023 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.
+ */
+
+#include "LightingAppCommandDelegate.h"
+
+#include <app-common/zap-generated/attributes/Accessors.h>
+#include <app/att-storage.h>
+#include <app/clusters/general-diagnostics-server/general-diagnostics-server.h>
+#include <app/clusters/software-diagnostics-server/software-diagnostics-server.h>
+#include <app/clusters/switch-server/switch-server.h>
+#include <app/server/Server.h>
+#include <platform/PlatformManager.h>
+
+using namespace chip;
+using namespace chip::app;
+using namespace chip::app::Clusters;
+using namespace chip::DeviceLayer;
+
+LightingAppCommandHandler * LightingAppCommandHandler::FromJSON(const char * json)
+{
+    Json::Reader reader;
+    Json::Value value;
+
+    if (!reader.parse(json, value))
+    {
+        ChipLogError(NotSpecified,
+                     "AllClusters App: Error parsing JSON with error %s:", reader.getFormattedErrorMessages().c_str());
+        return nullptr;
+    }
+
+    if (value.empty() || !value.isObject())
+    {
+        ChipLogError(NotSpecified, "AllClusters App: Invalid JSON command received");
+        return nullptr;
+    }
+
+    if (!value.isMember("Name") || !value["Name"].isString())
+    {
+        ChipLogError(NotSpecified, "AllClusters App: Invalid JSON command received: command name is missing");
+        return nullptr;
+    }
+
+    return Platform::New<LightingAppCommandHandler>(std::move(value));
+}
+
+void LightingAppCommandHandler::HandleCommand(intptr_t context)
+{
+    auto * self      = reinterpret_cast<LightingAppCommandHandler *>(context);
+    std::string name = self->mJsonValue["Name"].asString();
+
+    VerifyOrExit(!self->mJsonValue.empty(), ChipLogError(NotSpecified, "Invalid JSON event command received"));
+
+    if (name == "SoftwareFault")
+    {
+        self->OnSoftwareFaultEventHandler(Clusters::SoftwareDiagnostics::Events::SoftwareFault::Id);
+    }
+    else if (name == "HardwareFaultChange")
+    {
+        self->OnGeneralFaultEventHandler(Clusters::GeneralDiagnostics::Events::HardwareFaultChange::Id);
+    }
+    else if (name == "RadioFaultChange")
+    {
+        self->OnGeneralFaultEventHandler(Clusters::GeneralDiagnostics::Events::RadioFaultChange::Id);
+    }
+    else if (name == "NetworkFaultChange")
+    {
+        self->OnGeneralFaultEventHandler(Clusters::GeneralDiagnostics::Events::NetworkFaultChange::Id);
+    }
+    else if (name == "SwitchLatched")
+    {
+        uint8_t newPosition = static_cast<uint8_t>(self->mJsonValue["NewPosition"].asUInt());
+        self->OnSwitchLatchedHandler(newPosition);
+    }
+    else if (name == "InitialPress")
+    {
+        uint8_t newPosition = static_cast<uint8_t>(self->mJsonValue["NewPosition"].asUInt());
+        self->OnSwitchInitialPressedHandler(newPosition);
+    }
+    else if (name == "LongPress")
+    {
+        uint8_t newPosition = static_cast<uint8_t>(self->mJsonValue["NewPosition"].asUInt());
+        self->OnSwitchLongPressedHandler(newPosition);
+    }
+    else if (name == "ShortRelease")
+    {
+        uint8_t previousPosition = static_cast<uint8_t>(self->mJsonValue["PreviousPosition"].asUInt());
+        self->OnSwitchShortReleasedHandler(previousPosition);
+    }
+    else if (name == "LongRelease")
+    {
+        uint8_t previousPosition = static_cast<uint8_t>(self->mJsonValue["PreviousPosition"].asUInt());
+        self->OnSwitchLongReleasedHandler(previousPosition);
+    }
+    else if (name == "MultiPressOngoing")
+    {
+        uint8_t newPosition = static_cast<uint8_t>(self->mJsonValue["NewPosition"].asUInt());
+        uint8_t count       = static_cast<uint8_t>(self->mJsonValue["CurrentNumberOfPressesCounted"].asUInt());
+        self->OnSwitchMultiPressOngoingHandler(newPosition, count);
+    }
+    else if (name == "MultiPressComplete")
+    {
+        uint8_t previousPosition = static_cast<uint8_t>(self->mJsonValue["PreviousPosition"].asUInt());
+        uint8_t count            = static_cast<uint8_t>(self->mJsonValue["TotalNumberOfPressesCounted"].asUInt());
+        self->OnSwitchMultiPressCompleteHandler(previousPosition, count);
+    }
+    else if (name == "PowerOnReboot")
+    {
+        self->OnRebootSignalHandler(BootReasonType::kPowerOnReboot);
+    }
+    else if (name == "BrownOutReset")
+    {
+        self->OnRebootSignalHandler(BootReasonType::kBrownOutReset);
+    }
+    else if (name == "SoftwareWatchdogReset")
+    {
+        self->OnRebootSignalHandler(BootReasonType::kSoftwareWatchdogReset);
+    }
+    else if (name == "HardwareWatchdogReset")
+    {
+        self->OnRebootSignalHandler(BootReasonType::kHardwareWatchdogReset);
+    }
+    else if (name == "SoftwareUpdateCompleted")
+    {
+        self->OnRebootSignalHandler(BootReasonType::kSoftwareUpdateCompleted);
+    }
+    else if (name == "SoftwareReset")
+    {
+        self->OnRebootSignalHandler(BootReasonType::kSoftwareReset);
+    }
+    else
+    {
+        ChipLogError(NotSpecified, "Unhandled command: Should never happens");
+    }
+
+exit:
+    Platform::Delete(self);
+}
+
+bool LightingAppCommandHandler::IsClusterPresentOnAnyEndpoint(ClusterId clusterId)
+{
+    EnabledEndpointsWithServerCluster enabledEndpoints(clusterId);
+
+    return (enabledEndpoints.begin() != enabledEndpoints.end());
+}
+
+void LightingAppCommandHandler::OnRebootSignalHandler(BootReasonType bootReason)
+{
+    if (ConfigurationMgr().StoreBootReason(static_cast<uint32_t>(bootReason)) == CHIP_NO_ERROR)
+    {
+        Server::GetInstance().GenerateShutDownEvent();
+        PlatformMgr().ScheduleWork([](intptr_t) { PlatformMgr().StopEventLoopTask(); });
+    }
+    else
+    {
+        ChipLogError(NotSpecified, "Failed to store boot reason:%d", static_cast<uint32_t>(bootReason));
+    }
+}
+
+void LightingAppCommandHandler::OnGeneralFaultEventHandler(uint32_t eventId)
+{
+    if (!IsClusterPresentOnAnyEndpoint(Clusters::GeneralDiagnostics::Id))
+        return;
+
+    if (eventId == Clusters::GeneralDiagnostics::Events::HardwareFaultChange::Id)
+    {
+        GeneralFaults<kMaxHardwareFaults> previous;
+        GeneralFaults<kMaxHardwareFaults> current;
+
+        using GeneralDiagnostics::HardwareFaultEnum;
+
+        // On Linux Simulation, set following hardware faults statically.
+        ReturnOnFailure(previous.add(to_underlying(HardwareFaultEnum::kRadio)));
+        ReturnOnFailure(previous.add(to_underlying(HardwareFaultEnum::kPowerSource)));
+
+        ReturnOnFailure(current.add(to_underlying(HardwareFaultEnum::kRadio)));
+        ReturnOnFailure(current.add(to_underlying(HardwareFaultEnum::kSensor)));
+        ReturnOnFailure(current.add(to_underlying(HardwareFaultEnum::kPowerSource)));
+        ReturnOnFailure(current.add(to_underlying(HardwareFaultEnum::kUserInterfaceFault)));
+        Clusters::GeneralDiagnosticsServer::Instance().OnHardwareFaultsDetect(previous, current);
+    }
+    else if (eventId == Clusters::GeneralDiagnostics::Events::RadioFaultChange::Id)
+    {
+        GeneralFaults<kMaxRadioFaults> previous;
+        GeneralFaults<kMaxRadioFaults> current;
+
+        // On Linux Simulation, set following radio faults statically.
+        ReturnOnFailure(previous.add(EMBER_ZCL_RADIO_FAULT_ENUM_WI_FI_FAULT));
+        ReturnOnFailure(previous.add(EMBER_ZCL_RADIO_FAULT_ENUM_THREAD_FAULT));
+
+        ReturnOnFailure(current.add(EMBER_ZCL_RADIO_FAULT_ENUM_WI_FI_FAULT));
+        ReturnOnFailure(current.add(EMBER_ZCL_RADIO_FAULT_ENUM_CELLULAR_FAULT));
+        ReturnOnFailure(current.add(EMBER_ZCL_RADIO_FAULT_ENUM_THREAD_FAULT));
+        ReturnOnFailure(current.add(EMBER_ZCL_RADIO_FAULT_ENUM_NFC_FAULT));
+        Clusters::GeneralDiagnosticsServer::Instance().OnRadioFaultsDetect(previous, current);
+    }
+    else if (eventId == Clusters::GeneralDiagnostics::Events::NetworkFaultChange::Id)
+    {
+        GeneralFaults<kMaxNetworkFaults> previous;
+        GeneralFaults<kMaxNetworkFaults> current;
+
+        // On Linux Simulation, set following radio faults statically.
+        ReturnOnFailure(previous.add(to_underlying(Clusters::GeneralDiagnostics::NetworkFaultEnum::kHardwareFailure)));
+        ReturnOnFailure(previous.add(to_underlying(Clusters::GeneralDiagnostics::NetworkFaultEnum::kNetworkJammed)));
+
+        ReturnOnFailure(current.add(to_underlying(Clusters::GeneralDiagnostics::NetworkFaultEnum::kHardwareFailure)));
+        ReturnOnFailure(current.add(to_underlying(Clusters::GeneralDiagnostics::NetworkFaultEnum::kNetworkJammed)));
+        ReturnOnFailure(current.add(to_underlying(Clusters::GeneralDiagnostics::NetworkFaultEnum::kConnectionFailed)));
+        Clusters::GeneralDiagnosticsServer::Instance().OnNetworkFaultsDetect(previous, current);
+    }
+    else
+    {
+        ChipLogError(NotSpecified, "Unknow event ID:%d", eventId);
+    }
+}
+
+void LightingAppCommandHandler::OnSoftwareFaultEventHandler(uint32_t eventId)
+{
+    VerifyOrReturn(eventId == Clusters::SoftwareDiagnostics::Events::SoftwareFault::Id,
+                   ChipLogError(NotSpecified, "Unknown software fault event received"));
+
+    if (!IsClusterPresentOnAnyEndpoint(Clusters::SoftwareDiagnostics::Id))
+        return;
+
+    Clusters::SoftwareDiagnostics::Events::SoftwareFault::Type softwareFault;
+    char threadName[kMaxThreadNameLength + 1];
+
+    softwareFault.id = static_cast<uint64_t>(getpid());
+    Platform::CopyString(threadName, std::to_string(softwareFault.id).c_str());
+
+    softwareFault.name.SetValue(CharSpan::fromCharString(threadName));
+
+    std::time_t result = std::time(nullptr);
+    // Using size of 50 as it is double the expected 25 characters "Www Mmm dd hh:mm:ss yyyy\n".
+    char timeChar[50];
+    if (std::strftime(timeChar, sizeof(timeChar), "%c", std::localtime(&result)))
+    {
+        softwareFault.faultRecording.SetValue(ByteSpan(Uint8::from_const_char(timeChar), strlen(timeChar)));
+    }
+
+    Clusters::SoftwareDiagnosticsServer::Instance().OnSoftwareFaultDetect(softwareFault);
+}
+
+void LightingAppCommandHandler::OnSwitchLatchedHandler(uint8_t newPosition)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, newPosition);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to set CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified, "The latching switch is moved to a new position:%d", newPosition);
+
+    Clusters::SwitchServer::Instance().OnSwitchLatch(endpoint, newPosition);
+}
+
+void LightingAppCommandHandler::OnSwitchInitialPressedHandler(uint8_t newPosition)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, newPosition);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to set CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified, "The new position when the momentary switch starts to be pressed:%d", newPosition);
+
+    Clusters::SwitchServer::Instance().OnInitialPress(endpoint, newPosition);
+}
+
+void LightingAppCommandHandler::OnSwitchLongPressedHandler(uint8_t newPosition)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, newPosition);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to set CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified, "The new position when the momentary switch has been pressed for a long time:%d", newPosition);
+
+    Clusters::SwitchServer::Instance().OnLongPress(endpoint, newPosition);
+}
+
+void LightingAppCommandHandler::OnSwitchShortReleasedHandler(uint8_t previousPosition)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, 0);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to reset CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified, "The the previous value of the CurrentPosition when the momentary switch has been released:%d",
+                  previousPosition);
+
+    Clusters::SwitchServer::Instance().OnShortRelease(endpoint, previousPosition);
+}
+
+void LightingAppCommandHandler::OnSwitchLongReleasedHandler(uint8_t previousPosition)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, 0);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to reset CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified,
+                  "The the previous value of the CurrentPosition when the momentary switch has been released after having been "
+                  "pressed for a long time:%d",
+                  previousPosition);
+
+    Clusters::SwitchServer::Instance().OnLongRelease(endpoint, previousPosition);
+}
+
+void LightingAppCommandHandler::OnSwitchMultiPressOngoingHandler(uint8_t newPosition, uint8_t count)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, newPosition);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to set CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified, "The new position when the momentary switch has been pressed in a multi-press sequence:%d",
+                  newPosition);
+    ChipLogDetail(NotSpecified, "%d times the momentary switch has been pressed", count);
+
+    Clusters::SwitchServer::Instance().OnMultiPressOngoing(endpoint, newPosition, count);
+}
+
+void LightingAppCommandHandler::OnSwitchMultiPressCompleteHandler(uint8_t previousPosition, uint8_t count)
+{
+    EndpointId endpoint = 0;
+
+    EmberAfStatus status = Switch::Attributes::CurrentPosition::Set(endpoint, 0);
+    VerifyOrReturn(EMBER_ZCL_STATUS_SUCCESS == status, ChipLogError(NotSpecified, "Failed to reset CurrentPosition attribute"));
+    ChipLogDetail(NotSpecified, "The previous position when the momentary switch has been pressed in a multi-press sequence:%d",
+                  previousPosition);
+    ChipLogDetail(NotSpecified, "%d times the momentary switch has been pressed", count);
+
+    Clusters::SwitchServer::Instance().OnMultiPressComplete(endpoint, previousPosition, count);
+}
+
+void LightingAppCommandDelegate::OnEventCommandReceived(const char * json)
+{
+    auto handler = LightingAppCommandHandler::FromJSON(json);
+    if (nullptr == handler)
+    {
+        ChipLogError(NotSpecified, "AllClusters App: Unable to instantiate a command handler");
+        return;
+    }
+
+    chip::DeviceLayer::PlatformMgr().ScheduleWork(LightingAppCommandHandler::HandleCommand, reinterpret_cast<intptr_t>(handler));
+}