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/*
*
* Copyright (c) 2021 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.
*/
/**
* @file
* Provides an implementation of the DiagnosticDataProvider object
* for android platform.
*/
#include <cstddef>
#include <cstring>
#include <jni.h>
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include "DiagnosticDataProviderImpl.h"
#include <lib/support/CHIPJNIError.h>
#include <lib/support/CHIPMem.h>
#include <lib/support/CHIPMemString.h>
#include <lib/support/JniTypeWrappers.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/DiagnosticDataProvider.h>
#include <unistd.h>
using namespace ::chip::app::Clusters::GeneralDiagnostics;
namespace chip {
namespace DeviceLayer {
DiagnosticDataProviderImpl & DiagnosticDataProviderImpl::GetDefaultInstance()
{
static DiagnosticDataProviderImpl sInstance;
return sInstance;
}
void DiagnosticDataProviderImpl::InitializeWithObject(jobject manager)
{
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturn(env != nullptr,
ChipLogError(DeviceLayer, "Failed to GetEnvForCurrentThread for DiagnosticDataProviderManagerImpl"));
mDiagnosticDataProviderManagerObject = env->NewGlobalRef(manager);
VerifyOrReturn(mDiagnosticDataProviderManagerObject != nullptr,
ChipLogError(DeviceLayer, "Failed to NewGlobalRef DiagnosticDataProviderManager"));
jclass DiagnosticDataProviderManagerClass = env->GetObjectClass(manager);
VerifyOrReturn(DiagnosticDataProviderManagerClass != nullptr,
ChipLogError(DeviceLayer, "Failed to get DiagnosticDataProviderManager Java class"));
mGetRebootCountMethod = env->GetMethodID(DiagnosticDataProviderManagerClass, "getRebootCount", "()I");
if (mGetRebootCountMethod == nullptr)
{
ChipLogError(DeviceLayer, "Failed to access DiagnosticDataProviderManager 'getRebootCount' method");
env->ExceptionClear();
}
mGetNifMethod =
env->GetMethodID(DiagnosticDataProviderManagerClass, "getNetworkInterfaces", "()[Lchip/platform/NetworkInterface;");
if (mGetNifMethod == nullptr)
{
ChipLogError(DeviceLayer, "Failed to access DiagnosticDataProviderManager 'getNetworkInterfaces' method");
env->ExceptionClear();
}
}
CHIP_ERROR DiagnosticDataProviderImpl::GetRebootCount(uint16_t & rebootCount)
{
chip::DeviceLayer::StackUnlock unlock;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrReturnLogError(mDiagnosticDataProviderManagerObject != nullptr, CHIP_ERROR_INCORRECT_STATE);
VerifyOrReturnLogError(mGetRebootCountMethod != nullptr, CHIP_ERROR_INCORRECT_STATE);
VerifyOrReturnLogError(env != nullptr, CHIP_JNI_ERROR_NO_ENV);
ChipLogProgress(DeviceLayer, "Received GetRebootCount");
jint count = env->CallIntMethod(mDiagnosticDataProviderManagerObject, mGetRebootCountMethod);
VerifyOrReturnLogError(count < UINT16_MAX, CHIP_ERROR_INVALID_INTEGER_VALUE);
rebootCount = static_cast<uint16_t>(count);
return CHIP_NO_ERROR;
}
CHIP_ERROR DiagnosticDataProviderImpl::GetNetworkInterfaces(NetworkInterface ** netifpp)
{
chip::DeviceLayer::StackUnlock unlock;
CHIP_ERROR err = CHIP_NO_ERROR;
JNIEnv * env = JniReferences::GetInstance().GetEnvForCurrentThread();
VerifyOrExit(mDiagnosticDataProviderManagerObject != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
VerifyOrExit(mGetNifMethod != nullptr, err = CHIP_ERROR_INCORRECT_STATE);
VerifyOrExit(env != nullptr, err = CHIP_JNI_ERROR_NO_ENV);
{
ChipLogProgress(DeviceLayer, "Received GetNetworkInterfaces");
jobjectArray nifList = (jobjectArray) env->CallObjectMethod(mDiagnosticDataProviderManagerObject, mGetNifMethod);
if (env->ExceptionCheck())
{
ChipLogError(DeviceLayer, "Java exception in DiagnosticDataProviderImpl::GetNetworkInterfaces");
env->ExceptionDescribe();
env->ExceptionClear();
return CHIP_ERROR_INCORRECT_STATE;
}
jint length = env->GetArrayLength(nifList);
NetworkInterface * head = nullptr;
for (jint i = 0; i < length; i++)
{
NetworkInterface * ifp = new NetworkInterface();
jobject nifObject = env->GetObjectArrayElement(nifList, i);
jclass nifClass = env->GetObjectClass(nifObject);
jfieldID getNameField = env->GetFieldID(nifClass, "name", "Ljava/lang/String;");
jstring jname = static_cast<jstring>(env->GetObjectField(nifObject, getNameField));
if (jname != nullptr)
{
JniUtfString name(env, jname);
Platform::CopyString(ifp->Name, name.c_str());
ifp->Name[Inet::InterfaceId::kMaxIfNameLength - 1] = '\0';
ifp->name = CharSpan(ifp->Name, strlen(ifp->Name));
}
jfieldID isOperationalField = env->GetFieldID(nifClass, "isOperational", "Z");
ifp->isOperational = static_cast<bool>(env->GetBooleanField(nifObject, isOperationalField));
jfieldID getOpsrIPV4Field = env->GetFieldID(nifClass, "offPremiseServicesReachableIPv4", "Ljava/lang/Boolean;");
jobject opsrIPV4Obj = env->GetObjectField(nifObject, getOpsrIPV4Field);
if (opsrIPV4Obj == nullptr)
{
ifp->offPremiseServicesReachableIPv4.SetNull();
}
else
{
jboolean opsrIPV4 = JniReferences::GetInstance().BooleanToPrimitive(opsrIPV4Obj);
ifp->offPremiseServicesReachableIPv4.SetNonNull(static_cast<bool>(opsrIPV4));
}
jfieldID getOpsrIPV6Field = env->GetFieldID(nifClass, "offPremiseServicesReachableIPv6", "Ljava/lang/Boolean;");
jobject opsrIPV6Obj = env->GetObjectField(nifObject, getOpsrIPV6Field);
if (opsrIPV6Obj == nullptr)
{
ifp->offPremiseServicesReachableIPv6.SetNull();
}
else
{
jboolean opsrIPV6 = JniReferences::GetInstance().BooleanToPrimitive(opsrIPV6Obj);
ifp->offPremiseServicesReachableIPv6.SetNonNull(static_cast<bool>(opsrIPV6));
}
jfieldID gethardwareAddressField = env->GetFieldID(nifClass, "hardwareAddress", "[B");
jbyteArray jHardwareAddressObj = static_cast<jbyteArray>(env->GetObjectField(nifObject, gethardwareAddressField));
if (jHardwareAddressObj != nullptr)
{
size_t len = env->GetArrayLength(jHardwareAddressObj);
len = (len > kMaxHardwareAddrSize) ? kMaxHardwareAddrSize : len;
env->GetByteArrayRegion(jHardwareAddressObj, 0, static_cast<uint32_t>(len),
reinterpret_cast<jbyte *>(ifp->MacAddress));
ifp->hardwareAddress = ByteSpan(ifp->MacAddress, 6);
}
jfieldID getTypeField = env->GetFieldID(nifClass, "type", "I");
ifp->type = static_cast<InterfaceType>(env->GetIntField(nifObject, getTypeField));
jfieldID ipv4AddressField = env->GetFieldID(nifClass, "ipv4Address", "[B");
jbyteArray jIpv4AddressObj = static_cast<jbyteArray>(env->GetObjectField(nifObject, ipv4AddressField));
if (jIpv4AddressObj != nullptr)
{
JniByteArray Ipv4ByteArray(env, jIpv4AddressObj);
if (Ipv4ByteArray.size() == kMaxIPv4AddrSize)
{
memcpy(ifp->Ipv4AddressesBuffer[0], reinterpret_cast<const uint8_t *>(Ipv4ByteArray.data()), kMaxIPv4AddrSize);
ifp->Ipv4AddressSpans[0] = ByteSpan(ifp->Ipv4AddressesBuffer[0], kMaxIPv4AddrSize);
ifp->IPv4Addresses = chip::app::DataModel::List<chip::ByteSpan>(ifp->Ipv4AddressSpans, 1);
}
else
{
ChipLogError(DeviceLayer, "ipv4Address size (%d) not equal to kMaxIPv4AddrSize", Ipv4ByteArray.size());
}
}
jfieldID ipv6AddressField = env->GetFieldID(nifClass, "ipv6Address", "[B");
jbyteArray jIpv6AddressObj = static_cast<jbyteArray>(env->GetObjectField(nifObject, ipv6AddressField));
if (jIpv6AddressObj != nullptr)
{
JniByteArray Ipv6ByteArray(env, jIpv6AddressObj);
if (Ipv6ByteArray.size() == kMaxIPv6AddrSize)
{
memcpy(ifp->Ipv6AddressesBuffer[0], reinterpret_cast<const uint8_t *>(Ipv6ByteArray.data()), kMaxIPv6AddrSize);
ifp->Ipv6AddressSpans[0] = ByteSpan(ifp->Ipv6AddressesBuffer[0], kMaxIPv6AddrSize);
ifp->IPv6Addresses = chip::app::DataModel::List<chip::ByteSpan>(ifp->Ipv6AddressSpans, 1);
}
else
{
ChipLogError(DeviceLayer, "ipv6Address size (%d) not equal to kMaxIPv6AddrSize", Ipv6ByteArray.size());
}
}
ifp->Next = head;
head = ifp;
}
*netifpp = head;
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "ChannelManager::getChannelList status error: %s", err.AsString());
}
return err;
}
void DiagnosticDataProviderImpl::ReleaseNetworkInterfaces(NetworkInterface * netifp)
{
while (netifp)
{
NetworkInterface * del = netifp;
netifp = netifp->Next;
delete del;
}
}
DiagnosticDataProvider & GetDiagnosticDataProviderImpl()
{
return DiagnosticDataProviderImpl::GetDefaultInstance();
}
} // namespace DeviceLayer
} // namespace chip