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/*
*
* 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.
*/
/**
* @file
* This file implements a test for CHIP Interaction Model Event logging
*
*/
#include <access/SubjectDescriptor.h>
#include <app/EventLoggingDelegate.h>
#include <app/EventLoggingTypes.h>
#include <app/EventManagement.h>
#include <app/InteractionModelEngine.h>
#include <app/ObjectList.h>
#include <app/tests/AppTestContext.h>
#include <lib/core/CHIPCore.h>
#include <lib/core/TLV.h>
#include <lib/core/TLVDebug.h>
#include <lib/core/TLVUtilities.h>
#include <lib/support/CHIPCounter.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/EnforceFormat.h>
#include <lib/support/ErrorStr.h>
#include <lib/support/UnitTestContext.h>
#include <lib/support/UnitTestRegistration.h>
#include <lib/support/logging/Constants.h>
#include <messaging/ExchangeContext.h>
#include <messaging/Flags.h>
#include <platform/CHIPDeviceLayer.h>
#include <system/TLVPacketBufferBackingStore.h>
#include <nlunit-test.h>
namespace {
static const chip::ClusterId kLivenessClusterId = 0x00000022;
static const uint32_t kLivenessChangeEvent = 1;
static const chip::EndpointId kTestEndpointId1 = 2;
static const chip::EndpointId kTestEndpointId2 = 3;
static const chip::TLV::Tag kLivenessDeviceStatus = chip::TLV::ContextTag(1);
static uint8_t gDebugEventBuffer[128];
static uint8_t gInfoEventBuffer[128];
static uint8_t gCritEventBuffer[128];
static chip::app::CircularEventBuffer gCircularEventBuffer[3];
class TestContext : public chip::Test::AppContext
{
public:
static int Initialize(void * context)
{
if (AppContext::Initialize(context) != SUCCESS)
return FAILURE;
auto * ctx = static_cast<TestContext *>(context);
if (ctx->mEventCounter.Init(0) != CHIP_NO_ERROR)
{
return FAILURE;
}
chip::app::LogStorageResources logStorageResources[] = {
{ &gDebugEventBuffer[0], sizeof(gDebugEventBuffer), chip::app::PriorityLevel::Debug },
{ &gInfoEventBuffer[0], sizeof(gInfoEventBuffer), chip::app::PriorityLevel::Info },
{ &gCritEventBuffer[0], sizeof(gCritEventBuffer), chip::app::PriorityLevel::Critical },
};
chip::app::EventManagement::CreateEventManagement(&ctx->GetExchangeManager(), ArraySize(logStorageResources),
gCircularEventBuffer, logStorageResources, &ctx->mEventCounter);
return SUCCESS;
}
static int Finalize(void * context)
{
chip::app::EventManagement::DestroyEventManagement();
if (AppContext::Finalize(context) != SUCCESS)
return FAILURE;
return SUCCESS;
}
private:
chip::MonotonicallyIncreasingCounter<chip::EventNumber> mEventCounter;
};
void ENFORCE_FORMAT(1, 2) SimpleDumpWriter(const char * aFormat, ...)
{
va_list args;
va_start(args, aFormat);
vprintf(aFormat, args);
va_end(args);
}
void PrintEventLog()
{
chip::TLV::TLVReader reader;
chip::app::CircularEventBufferWrapper bufWrapper;
chip::app::EventManagement::GetInstance().GetEventReader(reader, chip::app::PriorityLevel::Critical, &bufWrapper);
chip::TLV::Debug::Dump(reader, SimpleDumpWriter);
}
static void CheckLogState(nlTestSuite * apSuite, chip::app::EventManagement & aLogMgmt, size_t expectedNumEvents,
chip::app::PriorityLevel aPriority)
{
CHIP_ERROR err;
chip::TLV::TLVReader reader;
size_t elementCount;
chip::app::CircularEventBufferWrapper bufWrapper;
err = aLogMgmt.GetEventReader(reader, aPriority, &bufWrapper);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
err = chip::TLV::Utilities::Count(reader, elementCount, false);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
NL_TEST_ASSERT(apSuite, elementCount == expectedNumEvents);
printf("elementCount vs expectedNumEvents : %u vs %u \n", static_cast<unsigned int>(elementCount),
static_cast<unsigned int>(expectedNumEvents));
}
static void CheckLogReadOut(nlTestSuite * apSuite, chip::app::EventManagement & alogMgmt, chip::EventNumber startingEventNumber,
size_t expectedNumEvents, chip::app::ObjectList<chip::app::EventPathParams> * clusterInfo)
{
CHIP_ERROR err;
chip::TLV::TLVReader reader;
chip::TLV::TLVWriter writer;
size_t eventCount = 0;
chip::Platform::ScopedMemoryBuffer<uint8_t> backingStore;
VerifyOrDie(backingStore.Alloc(1024));
size_t totalNumElements;
writer.Init(backingStore.Get(), 1024);
err = alogMgmt.FetchEventsSince(writer, clusterInfo, startingEventNumber, eventCount, chip::Access::SubjectDescriptor{});
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR || err == CHIP_END_OF_TLV);
reader.Init(backingStore.Get(), writer.GetLengthWritten());
err = chip::TLV::Utilities::Count(reader, totalNumElements, false);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
printf("totalNumElements vs expectedNumEvents vs eventCount : %u vs %u vs %u \n", static_cast<unsigned int>(totalNumElements),
static_cast<unsigned int>(expectedNumEvents), static_cast<unsigned int>(eventCount));
NL_TEST_ASSERT(apSuite, totalNumElements == expectedNumEvents && totalNumElements == eventCount);
reader.Init(backingStore.Get(), writer.GetLengthWritten());
chip::TLV::Debug::Dump(reader, SimpleDumpWriter);
}
class TestEventGenerator : public chip::app::EventLoggingDelegate
{
public:
CHIP_ERROR WriteEvent(chip::TLV::TLVWriter & aWriter)
{
chip::TLV::TLVType dataContainerType;
ReturnErrorOnFailure(aWriter.StartContainer(chip::TLV::ContextTag(chip::to_underlying(chip::app::EventDataIB::Tag::kData)),
chip::TLV::kTLVType_Structure, dataContainerType));
ReturnErrorOnFailure(aWriter.Put(kLivenessDeviceStatus, mStatus));
return aWriter.EndContainer(dataContainerType);
}
void SetStatus(int32_t aStatus) { mStatus = aStatus; }
private:
int32_t mStatus;
};
static void CheckLogEventWithEvictToNextBuffer(nlTestSuite * apSuite, void * apContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
chip::EventNumber eid1, eid2, eid3, eid4, eid5, eid6;
chip::app::EventOptions options1;
chip::app::EventOptions options2;
TestEventGenerator testEventGenerator;
options1.mPath = { kTestEndpointId1, kLivenessClusterId, kLivenessChangeEvent };
options1.mPriority = chip::app::PriorityLevel::Info;
options2.mPath = { kTestEndpointId2, kLivenessClusterId, kLivenessChangeEvent };
options2.mPriority = chip::app::PriorityLevel::Info;
chip::app::EventManagement & logMgmt = chip::app::EventManagement::GetInstance();
testEventGenerator.SetStatus(0);
err = logMgmt.LogEvent(&testEventGenerator, options1, eid1);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 1, chip::app::PriorityLevel::Debug);
testEventGenerator.SetStatus(1);
err = logMgmt.LogEvent(&testEventGenerator, options1, eid2);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 2, chip::app::PriorityLevel::Debug);
testEventGenerator.SetStatus(0);
err = logMgmt.LogEvent(&testEventGenerator, options1, eid3);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
// Start to copy info event to next buffer since current debug buffer is full and info event is higher priority
testEventGenerator.SetStatus(1);
err = logMgmt.LogEvent(&testEventGenerator, options2, eid4);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 4, chip::app::PriorityLevel::Info);
testEventGenerator.SetStatus(0);
err = logMgmt.LogEvent(&testEventGenerator, options2, eid5);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 5, chip::app::PriorityLevel::Info);
testEventGenerator.SetStatus(1);
err = logMgmt.LogEvent(&testEventGenerator, options2, eid6);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 6, chip::app::PriorityLevel::Info);
PrintEventLog();
NL_TEST_ASSERT(apSuite, (eid1 + 1) == eid2);
NL_TEST_ASSERT(apSuite, (eid2 + 1) == eid3);
NL_TEST_ASSERT(apSuite, (eid3 + 1) == eid4);
NL_TEST_ASSERT(apSuite, (eid4 + 1) == eid5);
NL_TEST_ASSERT(apSuite, (eid5 + 1) == eid6);
chip::app::ObjectList<chip::app::EventPathParams> paths[2];
paths[0].mValue.mEndpointId = kTestEndpointId1;
paths[0].mValue.mClusterId = kLivenessClusterId;
paths[1].mValue.mEndpointId = kTestEndpointId2;
paths[1].mValue.mClusterId = kLivenessClusterId;
paths[1].mValue.mEventId = kLivenessChangeEvent;
// interested paths are path list, expect to retrieve all events for each particular interested path
CheckLogReadOut(apSuite, logMgmt, 0, 3, &paths[0]);
CheckLogReadOut(apSuite, logMgmt, 1, 2, &paths[0]);
CheckLogReadOut(apSuite, logMgmt, 2, 1, &paths[0]);
CheckLogReadOut(apSuite, logMgmt, 3, 3, &paths[1]);
CheckLogReadOut(apSuite, logMgmt, 4, 2, &paths[1]);
CheckLogReadOut(apSuite, logMgmt, 5, 1, &paths[1]);
paths[0].mpNext = &paths[1];
// interested paths are path list, expect to retrieve all events for those interested paths
CheckLogReadOut(apSuite, logMgmt, 0, 6, paths);
chip::app::ObjectList<chip::app::EventPathParams> pathsWithWildcard[2];
paths[0].mValue.mEndpointId = kTestEndpointId1;
paths[0].mValue.mClusterId = kLivenessClusterId;
// second path is wildcard path at default, expect to retrieve all events
CheckLogReadOut(apSuite, logMgmt, 0, 6, &pathsWithWildcard[1]);
paths[0].mpNext = &paths[1];
// first path is not wildcard, second path is wildcard path at default, expect to retrieve all events
CheckLogReadOut(apSuite, logMgmt, 0, 6, pathsWithWildcard);
}
static void CheckLogEventWithDiscardLowEvent(nlTestSuite * apSuite, void * apContext)
{
CHIP_ERROR err = CHIP_NO_ERROR;
chip::EventNumber eid1, eid2, eid3, eid4, eid5, eid6;
chip::app::EventOptions options;
options.mPath = { kTestEndpointId1, kLivenessClusterId, kLivenessChangeEvent };
options.mPriority = chip::app::PriorityLevel::Debug;
TestEventGenerator testEventGenerator;
chip::app::EventManagement & logMgmt = chip::app::EventManagement::GetInstance();
testEventGenerator.SetStatus(0);
err = logMgmt.LogEvent(&testEventGenerator, options, eid1);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
testEventGenerator.SetStatus(1);
err = logMgmt.LogEvent(&testEventGenerator, options, eid2);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
testEventGenerator.SetStatus(0);
err = logMgmt.LogEvent(&testEventGenerator, options, eid3);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
CheckLogState(apSuite, logMgmt, 6, chip::app::PriorityLevel::Info);
// Start to drop off debug event since debug event can only be saved in debug buffer
testEventGenerator.SetStatus(1);
err = logMgmt.LogEvent(&testEventGenerator, options, eid4);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
CheckLogState(apSuite, logMgmt, 6, chip::app::PriorityLevel::Info);
testEventGenerator.SetStatus(0);
err = logMgmt.LogEvent(&testEventGenerator, options, eid5);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
CheckLogState(apSuite, logMgmt, 6, chip::app::PriorityLevel::Info);
testEventGenerator.SetStatus(1);
err = logMgmt.LogEvent(&testEventGenerator, options, eid6);
NL_TEST_ASSERT(apSuite, err == CHIP_NO_ERROR);
CheckLogState(apSuite, logMgmt, 3, chip::app::PriorityLevel::Debug);
}
/**
* Test Suite. It lists all the test functions.
*/
const nlTest sTests[] = { NL_TEST_DEF("CheckLogEventWithEvictToNextBuffer", CheckLogEventWithEvictToNextBuffer),
NL_TEST_DEF("CheckLogEventWithDiscardLowEvent", CheckLogEventWithDiscardLowEvent), NL_TEST_SENTINEL() };
// clang-format off
nlTestSuite sSuite =
{
"EventLogging",
&sTests[0],
TestContext::Initialize,
TestContext::Finalize
};
// clang-format on
} // namespace
int TestEventLogging()
{
return chip::ExecuteTestsWithContext<TestContext>(&sSuite);
}
CHIP_REGISTER_TEST_SUITE(TestEventLogging)