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[Java] Remove duplicated implemenation for ReportCallback (project-ch…
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…ip#28541)
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@yufengwangca
yufengwangca authored Aug 7, 2023
1 parent 8363494 commit 32efabd
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18 changes: 0 additions & 18 deletions src/controller/java/AndroidCallbacks-JNI.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -59,24 +59,6 @@ JNI_METHOD(void, ReportCallbackJni, deleteCallback)(JNIEnv * env, jobject self,
chip::Platform::Delete(reportCallback);
}

JNI_METHOD(jlong, ReportEventCallbackJni, newCallback)
(JNIEnv * env, jobject self, jobject subscriptionEstablishedCallbackJava, jobject reportCallbackJava,
jobject resubscriptionAttemptCallbackJava)
{
chip::DeviceLayer::StackLock lock;
ReportEventCallback * reportCallback = chip::Platform::New<ReportEventCallback>(
self, subscriptionEstablishedCallbackJava, reportCallbackJava, resubscriptionAttemptCallbackJava);
return reinterpret_cast<jlong>(reportCallback);
}

JNI_METHOD(void, ReportEventCallbackJni, deleteCallback)(JNIEnv * env, jobject self, jlong callbackHandle)
{
chip::DeviceLayer::StackLock lock;
ReportEventCallback * reportCallback = reinterpret_cast<ReportEventCallback *>(callbackHandle);
VerifyOrReturn(reportCallback != nullptr, ChipLogError(Controller, "ReportCallback handle is nullptr"));
delete reportCallback;
}

JNI_METHOD(jlong, WriteAttributesCallbackJni, newCallback)
(JNIEnv * env, jobject self, jobject writeAttributesCallbackJava)
{
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256 changes: 0 additions & 256 deletions src/controller/java/AndroidCallbacks.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -612,262 +612,6 @@ void ReportCallback::ReportError(jobject attributePath, jobject eventPath, const
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}

ReportEventCallback::ReportEventCallback(jobject wrapperCallback, jobject subscriptionEstablishedCallback, jobject reportCallback,
jobject resubscriptionAttemptCallback) :
mBufferedReadAdapter(*this)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
if (subscriptionEstablishedCallback != nullptr)
{
mSubscriptionEstablishedCallbackRef = env->NewGlobalRef(subscriptionEstablishedCallback);
if (mSubscriptionEstablishedCallbackRef == nullptr)
{
ChipLogError(Controller, "Could not create global reference for Java callback");
}
}
mReportCallbackRef = env->NewGlobalRef(reportCallback);
if (mReportCallbackRef == nullptr)
{
ChipLogError(Controller, "Could not create global reference for Java callback");
}
mWrapperCallbackRef = env->NewGlobalRef(wrapperCallback);
if (mWrapperCallbackRef == nullptr)
{
ChipLogError(Controller, "Could not create global reference for Java callback");
}
if (resubscriptionAttemptCallback != nullptr)
{
mResubscriptionAttemptCallbackRef = env->NewGlobalRef(resubscriptionAttemptCallback);
if (mResubscriptionAttemptCallbackRef == nullptr)
{
ChipLogError(Controller, "Could not create global reference for Java callback");
}
}
}

ReportEventCallback::~ReportEventCallback()
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
if (mSubscriptionEstablishedCallbackRef != nullptr)
{
env->DeleteGlobalRef(mSubscriptionEstablishedCallbackRef);
}
env->DeleteGlobalRef(mReportCallbackRef);
if (mReadClient != nullptr)
{
Platform::Delete(mReadClient);
}
}

void ReportEventCallback::OnReportBegin()
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
CHIP_ERROR err = CHIP_NO_ERROR;

err = JniReferences::GetInstance().GetClassRef(env, "chip/devicecontroller/model/NodeState", mNodeStateCls);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not get NodeState class"));
jmethodID nodeStateCtor = env->GetMethodID(mNodeStateCls, "<init>", "(Ljava/util/Map;)V");
VerifyOrReturn(nodeStateCtor != nullptr, ChipLogError(Controller, "Could not find NodeState constructor"));

jobject map = nullptr;
err = JniReferences::GetInstance().CreateHashMap(map);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not create HashMap"));
mNodeStateObj = env->NewObject(mNodeStateCls, nodeStateCtor, map);
}

void ReportEventCallback::OnReportEnd()
{
// Transform C++ jobject pair list to a Java HashMap, and call onReport() on the Java callback.
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

jmethodID onReportMethod;
err = JniReferences::GetInstance().FindMethod(env, mReportCallbackRef, "onReport", "(Lchip/devicecontroller/model/NodeState;)V",
&onReportMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find onReport method"));

DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(mReportCallbackRef, onReportMethod, mNodeStateObj);
}

void ReportEventCallback::OnEventData(const app::EventHeader & aEventHeader, TLV::TLVReader * apData,
const app::StatusIB * apStatus)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
jobject eventPathObj = nullptr;
err = CreateChipEventPath(aEventHeader.mPath, eventPathObj);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to create Java ChipEventPath: %s", ErrorStr(err)));

if (apData == nullptr)
{
ReportError(eventPathObj, CHIP_ERROR_INVALID_ARGUMENT);
return;
}

TLV::TLVReader readerForJavaTLV;
TLV::TLVReader readerForJson;
readerForJavaTLV.Init(*apData);
readerForJson.Init(*apData);

jlong eventNumber = static_cast<jlong>(aEventHeader.mEventNumber);
jlong priorityLevel = static_cast<jint>(aEventHeader.mPriorityLevel);
jlong timestamp = static_cast<jlong>(aEventHeader.mTimestamp.mValue);

jobject value = nullptr;
#if USE_JAVA_TLV_ENCODE_DECODE
TLV::TLVReader readerForJavaObject;
readerForJavaObject.Init(*apData);
value = DecodeEventValue(aEventHeader.mPath, readerForJavaObject, &err);
// If we don't know this event, just skip it.
VerifyOrReturn(err != CHIP_ERROR_IM_MALFORMED_EVENT_PATH_IB);
VerifyOrReturn(err == CHIP_NO_ERROR, ReportError(eventPathObj, err));
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe(), ReportError(eventPathObj, CHIP_JNI_ERROR_EXCEPTION_THROWN));
#endif

// Create TLV byte array to pass to Java layer
size_t bufferLen = readerForJavaTLV.GetRemainingLength() + readerForJavaTLV.GetLengthRead();
std::unique_ptr<uint8_t[]> buffer = std::unique_ptr<uint8_t[]>(new uint8_t[bufferLen]);
uint32_t size = 0;
// The TLVReader's read head is not pointing to the first element in the container, instead of the container itself, use
// a TLVWriter to get a TLV with a normalized TLV buffer (Wrapped with an anonymous tag, no extra "end of container" tag
// at the end.)
TLV::TLVWriter writer;
writer.Init(buffer.get(), bufferLen);
err = writer.CopyElement(TLV::AnonymousTag(), readerForJavaTLV);
VerifyOrReturn(err == CHIP_NO_ERROR, ReportError(eventPathObj, err));
size = writer.GetLengthWritten();
chip::ByteArray jniByteArray(env, reinterpret_cast<jbyte *>(buffer.get()), size);

// Convert TLV to JSON
Json::Value json;
err = TlvToJson(readerForJson, json);
VerifyOrReturn(err == CHIP_NO_ERROR, ReportError(eventPathObj, err));

UtfString jsonString(env, JsonToString(json).c_str());

// Create EventState object
jclass eventStateCls;
err = JniReferences::GetInstance().GetClassRef(env, "chip/devicecontroller/model/EventState", eventStateCls);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find EventState class"));
VerifyOrReturn(eventStateCls != nullptr, ChipLogError(Controller, "Could not find EventState class"));
chip::JniClass eventStateJniCls(eventStateCls);
jmethodID eventStateCtor = env->GetMethodID(eventStateCls, "<init>", "(JIJLjava/lang/Object;[BLjava/lang/String;)V");
VerifyOrReturn(eventStateCtor != nullptr, ChipLogError(Controller, "Could not find EventState constructor"));
jobject eventStateObj = env->NewObject(eventStateCls, eventStateCtor, eventNumber, priorityLevel, timestamp, value,
jniByteArray.jniValue(), jsonString.jniValue());
VerifyOrReturn(eventStateObj != nullptr, ChipLogError(Controller, "Could not create EventState object"));

// Add EventState to NodeState
jmethodID addEventMethod;
err = JniReferences::GetInstance().FindMethod(env, mNodeStateObj, "addEvent", "(IJJLchip/devicecontroller/model/EventState;)V",
&addEventMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find addEvent method"));
env->CallVoidMethod(mNodeStateObj, addEventMethod, static_cast<jint>(aEventHeader.mPath.mEndpointId),
static_cast<jlong>(aEventHeader.mPath.mClusterId), static_cast<jlong>(aEventHeader.mPath.mEventId),
eventStateObj);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}

CHIP_ERROR ReportEventCallback::CreateChipEventPath(const app::ConcreteEventPath & aPath, jobject & outObj)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
CHIP_ERROR err = CHIP_NO_ERROR;

jclass eventPathCls = nullptr;
err = JniReferences::GetInstance().GetClassRef(env, "chip/devicecontroller/model/ChipEventPath", eventPathCls);
VerifyOrReturnError(err == CHIP_NO_ERROR, err);
JniClass eventPathJniCls(eventPathCls);

jmethodID eventPathCtor =
env->GetStaticMethodID(eventPathCls, "newInstance", "(IJJ)Lchip/devicecontroller/model/ChipEventPath;");
VerifyOrReturnError(eventPathCtor != nullptr, CHIP_JNI_ERROR_METHOD_NOT_FOUND);

outObj = env->CallStaticObjectMethod(eventPathCls, eventPathCtor, static_cast<jint>(aPath.mEndpointId),
static_cast<jlong>(aPath.mClusterId), static_cast<jlong>(aPath.mEventId));
VerifyOrReturnError(outObj != nullptr, CHIP_JNI_ERROR_NULL_OBJECT);

return err;
}

void ReportEventCallback::OnError(CHIP_ERROR aError)
{
ReportError(nullptr, aError);
}

void ReportEventCallback::OnDone(app::ReadClient *)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

jmethodID onDoneMethod;
err = JniReferences::GetInstance().FindMethod(env, mReportCallbackRef, "onDone", "()V", &onDoneMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find onDone method"));

DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(mReportCallbackRef, onDoneMethod);

JniReferences::GetInstance().GetEnvForCurrentThread()->DeleteGlobalRef(mWrapperCallbackRef);
}

void ReportEventCallback::OnSubscriptionEstablished(SubscriptionId aSubscriptionId)
{
chip::DeviceLayer::StackUnlock unlock;
JniReferences::GetInstance().CallSubscriptionEstablished(mSubscriptionEstablishedCallbackRef, aSubscriptionId);
}

CHIP_ERROR ReportEventCallback::OnResubscriptionNeeded(app::ReadClient * apReadClient, CHIP_ERROR aTerminationCause)
{
VerifyOrReturnLogError(mResubscriptionAttemptCallbackRef != nullptr, CHIP_ERROR_INVALID_ARGUMENT);

JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

ReturnErrorOnFailure(app::ReadClient::Callback::OnResubscriptionNeeded(apReadClient, aTerminationCause));

jmethodID onResubscriptionAttemptMethod;
ReturnLogErrorOnFailure(JniReferences::GetInstance().FindMethod(
env, mResubscriptionAttemptCallbackRef, "onResubscriptionAttempt", "(JJ)V", &onResubscriptionAttemptMethod));

DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(mResubscriptionAttemptCallbackRef, onResubscriptionAttemptMethod,
static_cast<jlong>(aTerminationCause.AsInteger()),
static_cast<jlong>(apReadClient->ComputeTimeTillNextSubscription()));

return CHIP_NO_ERROR;
}

void ReportEventCallback::ReportError(jobject eventPath, CHIP_ERROR err)
{
ReportError(eventPath, ErrorStr(err), err.AsInteger());
}

void ReportEventCallback::ReportError(jobject eventPath, Protocols::InteractionModel::Status status)
{
ReportError(eventPath, "IM Status", static_cast<std::underlying_type_t<Protocols::InteractionModel::Status>>(status));
}

void ReportEventCallback::ReportError(jobject eventPath, const char * message, ChipError::StorageType errorCode)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();

jthrowable exception;
err = AndroidControllerExceptions::GetInstance().CreateAndroidControllerException(env, message, errorCode, exception);
VerifyOrReturn(err == CHIP_NO_ERROR,
ChipLogError(Controller, "Unable to create AndroidControllerException: %s on eportEventCallback::ReportError",
ErrorStr(err)));

jmethodID onErrorMethod;
err = JniReferences::GetInstance().FindMethod(
env, mReportCallbackRef, "onError", "(Lchip/devicecontroller/model/ChipEventPath;Ljava/lang/Exception;)V", &onErrorMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to find onError method: %s", ErrorStr(err)));

DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(mReportCallbackRef, onErrorMethod, eventPath, exception);
}

WriteAttributesCallback::WriteAttributesCallback(jobject wrapperCallback, jobject javaCallback) : mChunkedWriteCallback(this)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
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2 changes: 0 additions & 2 deletions src/controller/java/BUILD.gn
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Original file line number Diff line number Diff line change
Expand Up @@ -345,8 +345,6 @@ android_library("java") {
"src/chip/devicecontroller/PaseVerifierParams.java",
"src/chip/devicecontroller/ReportCallback.java",
"src/chip/devicecontroller/ReportCallbackJni.java",
"src/chip/devicecontroller/ReportEventCallback.java",
"src/chip/devicecontroller/ReportEventCallbackJni.java",
"src/chip/devicecontroller/ResubscriptionAttemptCallback.java",
"src/chip/devicecontroller/SubscriptionEstablishedCallback.java",
"src/chip/devicecontroller/ThreadScanResult.java",
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30 changes: 0 additions & 30 deletions src/controller/java/src/chip/devicecontroller/ReportEventCallback.java
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61 changes: 0 additions & 61 deletions src/controller/java/src/chip/devicecontroller/ReportEventCallbackJni.java
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