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/*
*
* Copyright (c) 2020-2023 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.
*/
#include "AndroidCallbacks.h"
#include <controller/java/AndroidControllerExceptions.h>
#ifdef USE_JAVA_TLV_ENCODE_DECODE
#include <controller/java/CHIPAttributeTLVValueDecoder.h>
#include <controller/java/CHIPEventTLVValueDecoder.h>
#endif
#include <app/EventLoggingTypes.h>
#include <jni.h>
#include <lib/core/ErrorStr.h>
#include <lib/support/CHIPJNIError.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/JniReferences.h>
#include <lib/support/jsontlv/JsonToTlv.h>
#include <lib/support/jsontlv/TlvToJson.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/PlatformManager.h>
#include <type_traits>
namespace chip {
namespace Controller {
static const int MILLIS_SINCE_BOOT = 0;
static const int MILLIS_SINCE_EPOCH = 1;
// Add the bytes for attribute tag(1:control + 8:tag + 8:length) and structure(1:struct + 1:close container)
static const int EXTRA_SPACE_FOR_ATTRIBUTE_TAG = 19;
CHIP_ERROR CreateChipAttributePath(JNIEnv * env, const app::ConcreteDataAttributePath & aPath, jobject & outObj)
{
jclass attributePathCls = nullptr;
ReturnErrorOnFailure(
JniReferences::GetInstance().GetLocalClassRef(env, "chip/devicecontroller/model/ChipAttributePath", attributePathCls));
jmethodID attributePathCtor =
env->GetStaticMethodID(attributePathCls, "newInstance", "(IJJ)Lchip/devicecontroller/model/ChipAttributePath;");
VerifyOrReturnError(attributePathCtor != nullptr, CHIP_JNI_ERROR_METHOD_NOT_FOUND);
outObj = env->CallStaticObjectMethod(attributePathCls, attributePathCtor, static_cast<jint>(aPath.mEndpointId),
static_cast<jlong>(aPath.mClusterId), static_cast<jlong>(aPath.mAttributeId));
VerifyOrReturnError(outObj != nullptr, CHIP_JNI_ERROR_NULL_OBJECT);
return CHIP_NO_ERROR;
}
CHIP_ERROR ReportCallback::CreateChipEventPath(JNIEnv * env, const app::ConcreteEventPath & aPath, jobject & outObj)
{
jclass eventPathCls = nullptr;
ReturnErrorOnFailure(
JniReferences::GetInstance().GetLocalClassRef(env, "chip/devicecontroller/model/ChipEventPath", 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 CHIP_NO_ERROR;
}
GetConnectedDeviceCallback::GetConnectedDeviceCallback(jobject wrapperCallback, jobject javaCallback) :
mOnSuccess(OnDeviceConnectedFn, this), mOnFailure(OnDeviceConnectionFailureFn, this)
{
VerifyOrReturn(mWrapperCallbackRef.Init(wrapperCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mWrapperCallbackRef in %s", __func__));
VerifyOrReturn(mJavaCallbackRef.Init(javaCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mJavaCallbackRef in %s", __func__));
}
GetConnectedDeviceCallback::~GetConnectedDeviceCallback() {}
void GetConnectedDeviceCallback::OnDeviceConnectedFn(void * context, Messaging::ExchangeManager & exchangeMgr,
const SessionHandle & sessionHandle)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
auto * self = static_cast<GetConnectedDeviceCallback *>(context);
VerifyOrReturn(self->mJavaCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = self->mJavaCallbackRef.ObjectRef();
JniLocalReferenceManager manager(env);
// Release wrapper's global ref so application can clean up the actual callback underneath.
VerifyOrReturn(self->mWrapperCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mWrapperCallbackRef is not valid in %s", __func__));
JniGlobalReference globalRef(std::move(self->mWrapperCallbackRef));
jclass getConnectedDeviceCallbackCls = nullptr;
JniReferences::GetInstance().GetLocalClassRef(
env, "chip/devicecontroller/GetConnectedDeviceCallbackJni$GetConnectedDeviceCallback", getConnectedDeviceCallbackCls);
VerifyOrReturn(getConnectedDeviceCallbackCls != nullptr,
ChipLogError(Controller, "Could not find GetConnectedDeviceCallback class"));
jmethodID successMethod;
JniReferences::GetInstance().FindMethod(env, javaCallback, "onDeviceConnected", "(J)V", &successMethod);
VerifyOrReturn(successMethod != nullptr, ChipLogError(Controller, "Could not find onDeviceConnected method"));
static_assert(sizeof(jlong) >= sizeof(void *), "Need to store a pointer in a Java handle");
OperationalDeviceProxy * device = new OperationalDeviceProxy(&exchangeMgr, sessionHandle);
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(javaCallback, successMethod, reinterpret_cast<jlong>(device));
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void GetConnectedDeviceCallback::OnDeviceConnectionFailureFn(void * context, const ScopedNodeId & peerId, CHIP_ERROR error)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
auto * self = static_cast<GetConnectedDeviceCallback *>(context);
VerifyOrReturn(self->mJavaCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = self->mJavaCallbackRef.ObjectRef();
JniLocalReferenceManager manager(env);
jclass getConnectedDeviceCallbackCls = nullptr;
JniReferences::GetInstance().GetLocalClassRef(
env, "chip/devicecontroller/GetConnectedDeviceCallbackJni$GetConnectedDeviceCallback", getConnectedDeviceCallbackCls);
VerifyOrReturn(getConnectedDeviceCallbackCls != nullptr,
ChipLogError(Controller, "Could not find GetConnectedDeviceCallback class"));
jmethodID failureMethod;
JniReferences::GetInstance().FindMethod(env, javaCallback, "onConnectionFailure", "(JLjava/lang/Exception;)V", &failureMethod);
VerifyOrReturn(failureMethod != nullptr, ChipLogError(Controller, "Could not find onConnectionFailure method"));
jthrowable exception;
CHIP_ERROR err = AndroidControllerExceptions::GetInstance().CreateAndroidControllerException(env, ErrorStr(error),
error.AsInteger(), exception);
VerifyOrReturn(
err == CHIP_NO_ERROR,
ChipLogError(Controller,
"Unable to create AndroidControllerException on GetConnectedDeviceCallback::OnDeviceConnectionFailureFn: %s",
ErrorStr(err)));
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(javaCallback, failureMethod, peerId.GetNodeId(), exception);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
ReportCallback::ReportCallback(jobject wrapperCallback, jobject subscriptionEstablishedCallback, jobject reportCallback,
jobject resubscriptionAttemptCallback) :
mClusterCacheAdapter(*this, Optional<EventNumber>::Missing(), false /*cacheData*/)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
if (subscriptionEstablishedCallback != nullptr)
{
VerifyOrReturn(mSubscriptionEstablishedCallbackRef.Init(subscriptionEstablishedCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mSubscriptionEstablishedCallbackRef in %s", __func__));
}
VerifyOrReturn(mReportCallbackRef.Init(reportCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mReportCallbackRef in %s", __func__));
VerifyOrReturn(mWrapperCallbackRef.Init(wrapperCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mWrapperCallbackRef in %s", __func__));
if (resubscriptionAttemptCallback != nullptr)
{
VerifyOrReturn(mResubscriptionAttemptCallbackRef.Init(resubscriptionAttemptCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mResubscriptionAttemptCallbackRef in %s", __func__));
}
}
ReportCallback::~ReportCallback()
{
if (mReadClient != nullptr)
{
Platform::Delete(mReadClient);
}
}
void ReportCallback::OnReportBegin()
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
jclass nodeStateCls = nullptr;
CHIP_ERROR err = JniReferences::GetInstance().GetLocalClassRef(env, "chip/devicecontroller/model/NodeState", nodeStateCls);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not get NodeState class"));
jmethodID nodeStateCtor = env->GetMethodID(nodeStateCls, "<init>", "()V");
VerifyOrReturn(nodeStateCtor != nullptr, ChipLogError(Controller, "Could not find NodeState constructor"));
jobject nodeState = env->NewObject(nodeStateCls, nodeStateCtor);
VerifyOrReturn(nodeState != nullptr, ChipLogError(Controller, "Could not create local object for nodeState"));
VerifyOrReturn(mNodeStateObj.Init(nodeState) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mNodeStateObj in %s", __func__));
}
void ReportCallback::OnDeallocatePaths(app::ReadPrepareParams && aReadPrepareParams)
{
if (aReadPrepareParams.mpAttributePathParamsList != nullptr && aReadPrepareParams.mAttributePathParamsListSize != 0)
{
delete[] aReadPrepareParams.mpAttributePathParamsList;
aReadPrepareParams.mpAttributePathParamsList = nullptr;
aReadPrepareParams.mAttributePathParamsListSize = 0;
}
if (aReadPrepareParams.mpEventPathParamsList != nullptr && aReadPrepareParams.mEventPathParamsListSize != 0)
{
delete[] aReadPrepareParams.mpEventPathParamsList;
aReadPrepareParams.mpEventPathParamsList = nullptr;
aReadPrepareParams.mEventPathParamsListSize = 0;
}
if (aReadPrepareParams.mpDataVersionFilterList != nullptr && aReadPrepareParams.mDataVersionFilterListSize != 0)
{
delete[] aReadPrepareParams.mpDataVersionFilterList;
aReadPrepareParams.mpDataVersionFilterList = nullptr;
aReadPrepareParams.mDataVersionFilterListSize = 0;
}
}
void ReportCallback::OnReportEnd()
{
UpdateClusterDataVersion();
// 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();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
VerifyOrReturn(mReportCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mReportCallbackRef is not valid in %s", __func__));
jobject reportCallback = mReportCallbackRef.ObjectRef();
JniGlobalReference globalRef(std::move(mNodeStateObj));
jmethodID onReportMethod;
err = JniReferences::GetInstance().FindMethod(env, reportCallback, "onReport", "(Lchip/devicecontroller/model/NodeState;)V",
&onReportMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find onReport method"));
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(reportCallback, onReportMethod, globalRef.ObjectRef());
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
// Convert TLV blob to Json with structure, the element's tag is replaced with the actual attributeId.
CHIP_ERROR ConvertReportTlvToJson(const uint32_t id, TLV::TLVReader & data, std::string & json)
{
TLV::TLVWriter writer;
TLV::TLVReader readerForJavaTLV;
uint32_t size = 0;
readerForJavaTLV.Init(data);
size_t bufferLen = readerForJavaTLV.GetTotalLength() + EXTRA_SPACE_FOR_ATTRIBUTE_TAG;
std::unique_ptr<uint8_t[]> buffer = std::unique_ptr<uint8_t[]>(new uint8_t[bufferLen]);
writer.Init(buffer.get(), bufferLen);
TLV::TLVType outer;
ReturnErrorOnFailure(writer.StartContainer(TLV::AnonymousTag(), TLV::kTLVType_Structure, outer));
TLV::Tag tag;
ReturnErrorOnFailure(ConvertTlvTag(id, tag));
ReturnErrorOnFailure(writer.CopyElement(tag, readerForJavaTLV));
ReturnErrorOnFailure(writer.EndContainer(outer));
size = writer.GetLengthWritten();
TLV::TLVReader readerForJson;
readerForJson.Init(buffer.get(), size);
ReturnErrorOnFailure(readerForJson.Next());
// Convert TLV to JSON
return TlvToJson(readerForJson, json);
}
void ReportCallback::OnAttributeData(const app::ConcreteDataAttributePath & aPath, TLV::TLVReader * apData,
const app::StatusIB & aStatus)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
jobject attributePathObj = nullptr;
err = CreateChipAttributePath(env, aPath, attributePathObj);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to create Java ChipAttributePath: %s", ErrorStr(err)));
VerifyOrReturn(!aPath.IsListItemOperation(), ChipLogError(Controller, "Expect non-list item operation"); aPath.LogPath());
VerifyOrReturn(aStatus.IsSuccess(), ChipLogError(Controller, "Receive bad status %s", ErrorStr(aStatus.ToChipError()));
aPath.LogPath());
VerifyOrReturn(apData != nullptr, ChipLogError(Controller, "Receive empty apData"); aPath.LogPath());
TLV::TLVReader readerForJavaTLV;
readerForJavaTLV.Init(*apData);
jobject value = nullptr;
#ifdef USE_JAVA_TLV_ENCODE_DECODE
TLV::TLVReader readerForJavaObject;
readerForJavaObject.Init(*apData);
value = DecodeAttributeValue(aPath, readerForJavaObject, &err);
// If we don't know this attribute, suppress it.
if (err == CHIP_ERROR_IM_MALFORMED_ATTRIBUTE_PATH_IB)
{
err = CHIP_NO_ERROR;
}
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Fail to decode attribute with error %s", ErrorStr(err));
aPath.LogPath());
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
#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, ChipLogError(Controller, "Fail to copy tlv element with error %s", ErrorStr(err));
aPath.LogPath());
size = writer.GetLengthWritten();
chip::ByteArray jniByteArray(env, reinterpret_cast<jbyte *>(buffer.get()), size);
// Convert TLV to JSON
std::string json;
err = ConvertReportTlvToJson(static_cast<uint32_t>(aPath.mAttributeId), *apData, json);
VerifyOrReturn(err == CHIP_NO_ERROR,
ChipLogError(Controller, "Fail to convert report tlv to json with error %s", ErrorStr(err));
aPath.LogPath());
UtfString jsonString(env, json.c_str());
// Create AttributeState object
jclass attributeStateCls;
err = JniReferences::GetInstance().GetLocalClassRef(env, "chip/devicecontroller/model/AttributeState", attributeStateCls);
VerifyOrReturn(err == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not find AttributeState class with error %s", ErrorStr(err));
aPath.LogPath());
VerifyOrReturn(attributeStateCls != nullptr, ChipLogError(Controller, "Could not find AttributeState class"); aPath.LogPath());
jmethodID attributeStateCtor = env->GetMethodID(attributeStateCls, "<init>", "(Ljava/lang/Object;[BLjava/lang/String;)V");
VerifyOrReturn(attributeStateCtor != nullptr, ChipLogError(Controller, "Could not find AttributeState constructor");
aPath.LogPath());
jobject attributeStateObj =
env->NewObject(attributeStateCls, attributeStateCtor, value, jniByteArray.jniValue(), jsonString.jniValue());
VerifyOrReturn(attributeStateObj != nullptr, ChipLogError(Controller, "Could not create AttributeState object");
aPath.LogPath());
jobject nodeState = mNodeStateObj.ObjectRef();
// Add AttributeState to NodeState
jmethodID addAttributeMethod;
err = JniReferences::GetInstance().FindMethod(env, nodeState, "addAttribute",
"(IJJLchip/devicecontroller/model/AttributeState;)V", &addAttributeMethod);
VerifyOrReturn(err == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not find addAttribute method with error %s", ErrorStr(err)));
env->CallVoidMethod(nodeState, addAttributeMethod, static_cast<jint>(aPath.mEndpointId), static_cast<jlong>(aPath.mClusterId),
static_cast<jlong>(aPath.mAttributeId), attributeStateObj);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
UpdateClusterDataVersion();
}
void ReportCallback::UpdateClusterDataVersion()
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
chip::app::ConcreteClusterPath lastConcreteClusterPath;
if (mClusterCacheAdapter.GetLastReportDataPath(lastConcreteClusterPath) != CHIP_NO_ERROR)
{
return;
}
if (!lastConcreteClusterPath.IsValidConcreteClusterPath())
{
return;
}
chip::Optional<chip::DataVersion> committedDataVersion;
if (mClusterCacheAdapter.GetVersion(lastConcreteClusterPath, committedDataVersion) != CHIP_NO_ERROR)
{
return;
}
if (!committedDataVersion.HasValue())
{
return;
}
jobject nodeState = mNodeStateObj.ObjectRef();
// SetDataVersion to NodeState
jmethodID setDataVersionMethod;
CHIP_ERROR err = JniReferences::GetInstance().FindMethod(env, nodeState, "setDataVersion", "(IJJ)V", &setDataVersionMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find setDataVersion method"));
env->CallVoidMethod(nodeState, setDataVersionMethod, static_cast<jint>(lastConcreteClusterPath.mEndpointId),
static_cast<jlong>(lastConcreteClusterPath.mClusterId), static_cast<jlong>(committedDataVersion.Value()));
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void ReportCallback::OnEventData(const app::EventHeader & aEventHeader, TLV::TLVReader * apData, const app::StatusIB * apStatus)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
jobject eventPathObj = nullptr;
err = CreateChipEventPath(env, aEventHeader.mPath, eventPathObj);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to create Java ChipEventPath: %s", ErrorStr(err)));
VerifyOrReturn(apData != nullptr, ChipLogError(Controller, "Receive empty apData"); aEventHeader.LogPath());
TLV::TLVReader readerForJavaTLV;
readerForJavaTLV.Init(*apData);
jlong eventNumber = static_cast<jlong>(aEventHeader.mEventNumber);
jint priorityLevel = static_cast<jint>(aEventHeader.mPriorityLevel);
jlong timestampValue = static_cast<jlong>(aEventHeader.mTimestamp.mValue);
jint timestampType = 0;
if (aEventHeader.mTimestamp.mType == app::Timestamp::Type::kSystem)
{
timestampType = static_cast<jint>(MILLIS_SINCE_BOOT);
}
else if (aEventHeader.mTimestamp.mType == app::Timestamp::Type::kEpoch)
{
timestampType = static_cast<jint>(MILLIS_SINCE_EPOCH);
}
else
{
ChipLogError(Controller, "Unsupported event timestamp type");
aEventHeader.LogPath();
return;
}
jobject value = nullptr;
#ifdef 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.
if (err == CHIP_ERROR_IM_MALFORMED_EVENT_PATH_IB)
{
err = CHIP_NO_ERROR;
}
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Fail to decode event with error %s", ErrorStr(err));
aEventHeader.LogPath());
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
#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, ChipLogError(Controller, "Fail to copy element with error %s", ErrorStr(err));
aEventHeader.LogPath());
size = writer.GetLengthWritten();
chip::ByteArray jniByteArray(env, reinterpret_cast<jbyte *>(buffer.get()), size);
// Convert TLV to JSON
std::string json;
err = ConvertReportTlvToJson(static_cast<uint32_t>(aEventHeader.mPath.mEventId), *apData, json);
VerifyOrReturn(err == CHIP_NO_ERROR,
ChipLogError(Controller, "Fail to convert report tlv to Json with error %s", ErrorStr(err));
aEventHeader.LogPath());
UtfString jsonString(env, json.c_str());
// Create EventState object
jclass eventStateCls;
err = JniReferences::GetInstance().GetLocalClassRef(env, "chip/devicecontroller/model/EventState", eventStateCls);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Failed to find EventState class"); aEventHeader.LogPath());
VerifyOrReturn(eventStateCls != nullptr, ChipLogError(Controller, "Could not find EventState class"); aEventHeader.LogPath());
jmethodID eventStateCtor = env->GetMethodID(eventStateCls, "<init>", "(JIIJLjava/lang/Object;[BLjava/lang/String;)V");
VerifyOrReturn(eventStateCtor != nullptr, ChipLogError(Controller, "Could not find EventState constructor");
aEventHeader.LogPath());
jobject eventStateObj = env->NewObject(eventStateCls, eventStateCtor, eventNumber, priorityLevel, timestampType, timestampValue,
value, jniByteArray.jniValue(), jsonString.jniValue());
VerifyOrReturn(eventStateObj != nullptr, ChipLogError(Controller, "Could not create EventState object");
aEventHeader.LogPath());
// Add EventState to NodeState
jmethodID addEventMethod;
jobject nodeState = mNodeStateObj.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, nodeState, "addEvent", "(IJJLchip/devicecontroller/model/EventState;)V",
&addEventMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find addEvent method with error %s", ErrorStr(err));
aEventHeader.LogPath());
env->CallVoidMethod(nodeState, 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(); aEventHeader.LogPath());
}
CHIP_ERROR InvokeCallback::CreateInvokeElement(JNIEnv * env, const app::ConcreteCommandPath & aPath, TLV::TLVReader * apData,
jobject & outObj)
{
CHIP_ERROR err = CHIP_NO_ERROR;
jclass invokeElementCls = nullptr;
jobject localRef = nullptr;
err = JniReferences::GetInstance().GetLocalClassRef(env, "chip/devicecontroller/model/InvokeElement", invokeElementCls);
ReturnErrorOnFailure(err);
jmethodID invokeElementCtor = env->GetStaticMethodID(invokeElementCls, "newInstance",
"(IJJ[BLjava/lang/String;)Lchip/devicecontroller/model/InvokeElement;");
VerifyOrReturnError(!env->ExceptionCheck(), CHIP_JNI_ERROR_EXCEPTION_THROWN);
VerifyOrReturnError(invokeElementCtor != nullptr, CHIP_JNI_ERROR_METHOD_NOT_FOUND);
if (apData != nullptr)
{
TLV::TLVReader readerForJavaTLV;
TLV::TLVReader readerForJson;
readerForJavaTLV.Init(*apData);
// 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;
TLV::TLVWriter writer;
writer.Init(buffer.get(), bufferLen);
err = writer.CopyElement(TLV::AnonymousTag(), readerForJavaTLV);
ReturnErrorOnFailure(err);
size = writer.GetLengthWritten();
chip::ByteArray jniByteArray(env, reinterpret_cast<jbyte *>(buffer.get()), size);
// Convert TLV to JSON
std::string json;
readerForJson.Init(buffer.get(), size);
err = readerForJson.Next();
ReturnErrorOnFailure(err);
err = TlvToJson(readerForJson, json);
ReturnErrorOnFailure(err);
UtfString jsonString(env, json.c_str());
localRef = env->CallStaticObjectMethod(invokeElementCls, invokeElementCtor, static_cast<jint>(aPath.mEndpointId),
static_cast<jlong>(aPath.mClusterId), static_cast<jlong>(aPath.mCommandId),
jniByteArray.jniValue(), jsonString.jniValue());
}
else
{
localRef = env->CallStaticObjectMethod(invokeElementCls, invokeElementCtor, static_cast<jint>(aPath.mEndpointId),
static_cast<jlong>(aPath.mClusterId), static_cast<jlong>(aPath.mCommandId), nullptr,
nullptr);
}
VerifyOrReturnError(localRef != nullptr, CHIP_JNI_ERROR_NULL_OBJECT);
outObj = env->NewGlobalRef(localRef);
VerifyOrReturnError(outObj != nullptr, CHIP_JNI_ERROR_NULL_OBJECT);
return err;
}
void ReportCallback::OnError(CHIP_ERROR aError)
{
ReportError(nullptr, nullptr, aError);
}
void ReportCallback::OnDone(app::ReadClient *)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
VerifyOrReturn(mWrapperCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mWrapperCallbackRef is not valid in %s", __func__));
JniGlobalReference globalRef(std::move(mWrapperCallbackRef));
jmethodID onDoneMethod;
VerifyOrReturn(mReportCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mReportCallbackRef is not valid in %s", __func__));
jobject reportCallback = mReportCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, reportCallback, "onDone", "()V", &onDoneMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find onDone method"));
if (mReadClient != nullptr)
{
Platform::Delete(mReadClient);
}
mReadClient = nullptr;
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(reportCallback, onDoneMethod);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void ReportCallback::OnSubscriptionEstablished(SubscriptionId aSubscriptionId)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
DeviceLayer::StackUnlock unlock;
VerifyOrReturn(mSubscriptionEstablishedCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, " mSubscriptionEstablishedCallbackRef is not valid in %s", __func__));
JniReferences::GetInstance().CallSubscriptionEstablished(mSubscriptionEstablishedCallbackRef.ObjectRef(), aSubscriptionId);
}
CHIP_ERROR ReportCallback::OnResubscriptionNeeded(app::ReadClient * apReadClient, CHIP_ERROR aTerminationCause)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturnError(env != nullptr, CHIP_JNI_ERROR_NULL_OBJECT);
ReturnErrorOnFailure(app::ReadClient::Callback::OnResubscriptionNeeded(apReadClient, aTerminationCause));
JniLocalReferenceManager manager(env);
jmethodID onResubscriptionAttemptMethod;
VerifyOrReturnLogError(mResubscriptionAttemptCallbackRef.HasValidObjectRef(), CHIP_ERROR_INCORRECT_STATE);
jobject resubscriptionAttemptCallbackRef = mResubscriptionAttemptCallbackRef.ObjectRef();
ReturnLogErrorOnFailure(JniReferences::GetInstance().FindMethod(
env, resubscriptionAttemptCallbackRef, "onResubscriptionAttempt", "(JJ)V", &onResubscriptionAttemptMethod));
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(resubscriptionAttemptCallbackRef, onResubscriptionAttemptMethod,
static_cast<jlong>(aTerminationCause.AsInteger()),
static_cast<jlong>(apReadClient->ComputeTimeTillNextSubscription()));
VerifyOrReturnError(!env->ExceptionCheck(), CHIP_JNI_ERROR_EXCEPTION_THROWN);
return CHIP_NO_ERROR;
}
void ReportCallback::ReportError(jobject attributePath, jobject eventPath, CHIP_ERROR err)
{
ReportError(attributePath, eventPath, ErrorStr(err), err.AsInteger());
}
void ReportCallback::ReportError(jobject attributePath, jobject eventPath, Protocols::InteractionModel::Status status)
{
ReportError(attributePath, eventPath, "IM Status",
static_cast<std::underlying_type_t<Protocols::InteractionModel::Status>>(status));
}
void ReportCallback::ReportError(jobject attributePath, jobject eventPath, const char * message, ChipError::StorageType errorCode)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
VerifyOrReturn(mReportCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mReportCallbackRef is not valid in %s", __func__));
jobject reportCallback = mReportCallbackRef.ObjectRef();
jthrowable exception;
err = AndroidControllerExceptions::GetInstance().CreateAndroidControllerException(env, message, errorCode, exception);
VerifyOrReturn(
err == CHIP_NO_ERROR,
ChipLogError(Controller, "Unable to create AndroidControllerException on ReportCallback::ReportError: %s", ErrorStr(err)));
jmethodID onErrorMethod;
err = JniReferences::GetInstance().FindMethod(
env, reportCallback, "onError",
"(Lchip/devicecontroller/model/ChipAttributePath;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(reportCallback, onErrorMethod, attributePath, eventPath, exception);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
WriteAttributesCallback::WriteAttributesCallback(jobject wrapperCallback, jobject javaCallback) : mChunkedWriteCallback(this)
{
VerifyOrReturn(mWrapperCallbackRef.Init(wrapperCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mWrapperCallbackRef for WriteAttributesCallback"));
VerifyOrReturn(mJavaCallbackRef.Init(javaCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mJavaCallbackRef in %s", __func__));
}
WriteAttributesCallback::~WriteAttributesCallback()
{
if (mWriteClient != nullptr)
{
Platform::Delete(mWriteClient);
}
}
void WriteAttributesCallback::OnResponse(const app::WriteClient * apWriteClient, const app::ConcreteDataAttributePath & aPath,
app::StatusIB aStatus)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
jobject attributePathObj = nullptr;
err = CreateChipAttributePath(env, aPath, attributePathObj);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to create Java ChipAttributePath: %s", ErrorStr(err)));
if (aStatus.mStatus != Protocols::InteractionModel::Status::Success)
{
ReportError(attributePathObj, aStatus.mStatus);
return;
}
jmethodID onResponseMethod;
VerifyOrReturn(mJavaCallbackRef.HasValidObjectRef(), ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = mJavaCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, javaCallback, "onResponse",
"(Lchip/devicecontroller/model/ChipAttributePath;)V", &onResponseMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to find onError method: %s", ErrorStr(err)));
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(javaCallback, onResponseMethod, attributePathObj);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void WriteAttributesCallback::OnError(const app::WriteClient * apWriteClient, CHIP_ERROR aError)
{
ReportError(nullptr, aError);
}
void WriteAttributesCallback::OnDone(app::WriteClient *)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
VerifyOrReturn(mWrapperCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mWrapperCallbackRef is not valid in %s", __func__));
JniGlobalReference globalRef(std::move(mWrapperCallbackRef));
jmethodID onDoneMethod;
VerifyOrReturn(mJavaCallbackRef.HasValidObjectRef(), ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = mJavaCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, javaCallback, "onDone", "()V", &onDoneMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find onDone method"));
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(javaCallback, onDoneMethod);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void WriteAttributesCallback::ReportError(jobject attributePath, CHIP_ERROR err)
{
ReportError(attributePath, ErrorStr(err), err.AsInteger());
}
void WriteAttributesCallback::ReportError(jobject attributePath, Protocols::InteractionModel::Status status)
{
ReportError(attributePath, "IM Status", static_cast<std::underlying_type_t<Protocols::InteractionModel::Status>>(status));
}
void WriteAttributesCallback::ReportError(jobject attributePath, const char * message, ChipError::StorageType errorCode)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
ChipLogError(Controller, "WriteAttributesCallback::ReportError is called with %u", errorCode);
jthrowable exception;
err = AndroidControllerExceptions::GetInstance().CreateAndroidControllerException(env, message, errorCode, exception);
VerifyOrReturn(err == CHIP_NO_ERROR,
ChipLogError(Controller,
"Unable to create AndroidControllerException on WriteAttributesCallback::ReportError: %s",
ErrorStr(err)));
jmethodID onErrorMethod;
VerifyOrReturn(mJavaCallbackRef.HasValidObjectRef(), ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = mJavaCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(
env, javaCallback, "onError", "(Lchip/devicecontroller/model/ChipAttributePath;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(javaCallback, onErrorMethod, attributePath, exception);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
InvokeCallback::InvokeCallback(jobject wrapperCallback, jobject javaCallback)
{
VerifyOrReturn(mWrapperCallbackRef.Init(wrapperCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mWrapperCallbackRef for InvokeCallback"));
VerifyOrReturn(mJavaCallbackRef.Init(javaCallback) == CHIP_NO_ERROR,
ChipLogError(Controller, "Could not init mJavaCallbackRef in %s", __func__));
}
InvokeCallback::~InvokeCallback()
{
if (mCommandSender != nullptr)
{
Platform::Delete(mCommandSender);
}
}
void InvokeCallback::OnResponse(app::CommandSender * apCommandSender, const app::ConcreteCommandPath & aPath,
const app::StatusIB & aStatusIB, TLV::TLVReader * apData)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
jobject invokeElementObj = nullptr;
jmethodID onResponseMethod;
JniLocalReferenceManager manager(env);
err = CreateInvokeElement(env, aPath, apData, invokeElementObj);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to create Java InvokeElement: %s", ErrorStr(err)));
VerifyOrReturn(mJavaCallbackRef.HasValidObjectRef(), ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = mJavaCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, javaCallback, "onResponse",
"(Lchip/devicecontroller/model/InvokeElement;J)V", &onResponseMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Unable to find onResponse method: %s", ErrorStr(err)));
DeviceLayer::StackUnlock unlock;
if (aStatusIB.mClusterStatus.HasValue())
{
env->CallVoidMethod(javaCallback, onResponseMethod, invokeElementObj, static_cast<jlong>(aStatusIB.mClusterStatus.Value()));
}
else
{
env->CallVoidMethod(javaCallback, onResponseMethod, invokeElementObj,
static_cast<jlong>(Protocols::InteractionModel::Status::Success));
}
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void InvokeCallback::OnError(const app::CommandSender * apCommandSender, CHIP_ERROR aError)
{
ReportError(aError);
}
void InvokeCallback::OnDone(app::CommandSender * apCommandSender)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
VerifyOrReturn(mWrapperCallbackRef.HasValidObjectRef(),
ChipLogError(Controller, "mWrapperCallbackRef is not valid in %s", __func__));
JniGlobalReference globalRef(std::move(mWrapperCallbackRef));
jmethodID onDoneMethod;
VerifyOrReturn(mJavaCallbackRef.HasValidObjectRef(), ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = mJavaCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, javaCallback, "onDone", "()V", &onDoneMethod);
VerifyOrReturn(err == CHIP_NO_ERROR, ChipLogError(Controller, "Could not find onDone method"));
DeviceLayer::StackUnlock unlock;
env->CallVoidMethod(javaCallback, onDoneMethod);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
void InvokeCallback::ReportError(CHIP_ERROR err)
{
ReportError(ErrorStr(err), err.AsInteger());
}
void InvokeCallback::ReportError(Protocols::InteractionModel::Status status)
{
ReportError("IM Status", static_cast<std::underlying_type_t<Protocols::InteractionModel::Status>>(status));
}
void InvokeCallback::ReportError(const char * message, ChipError::StorageType errorCode)
{
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr, ChipLogError(Controller, "Could not get JNIEnv for current thread"));
JniLocalReferenceManager manager(env);
ChipLogError(Controller, "InvokeCallback::ReportError is called with %u", errorCode);
jthrowable exception;
err = AndroidControllerExceptions::GetInstance().CreateAndroidControllerException(env, message, errorCode, exception);
VerifyOrReturn(
err == CHIP_NO_ERROR,
ChipLogError(Controller, "Unable to create AndroidControllerException: %s on InvokeCallback::ReportError", ErrorStr(err)));
jmethodID onErrorMethod;
VerifyOrReturn(mJavaCallbackRef.HasValidObjectRef(), ChipLogError(Controller, "mJavaCallbackRef is not valid in %s", __func__));
jobject javaCallback = mJavaCallbackRef.ObjectRef();
err = JniReferences::GetInstance().FindMethod(env, javaCallback, "onError", "(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(javaCallback, onErrorMethod, exception);
VerifyOrReturn(!env->ExceptionCheck(), env->ExceptionDescribe());
}
} // namespace Controller
} // namespace chip