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/*
*
* Copyright (c) 2022 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
* Implementation of the native methods expected by the Python
* version of Chip Device Manager.
*
*/
#include <controller/CHIPDeviceController.h>
#include <controller/python/chip/native/PyChipError.h>
#include <json/json.h>
#include <lib/core/CHIPError.h>
#include <lib/core/TLV.h>
#include <lib/dnssd/Resolver.h>
using namespace chip;
typedef void (*IterateDiscoveredCommissionableNodesFunct)(const char * deviceInfoJson, size_t deviceInfoLen);
extern "C" {
bool pychip_DeviceController_HasDiscoveredCommissionableNode(Controller::DeviceCommissioner * devCtrl)
{
for (int i = 0; i < devCtrl->GetMaxCommissionableNodesSupported(); ++i)
{
const Dnssd::DiscoveredNodeData * dnsSdInfo = devCtrl->GetDiscoveredDevice(i);
if (dnsSdInfo == nullptr)
{
continue;
}
return true;
}
return false;
}
PyChipError pychip_DeviceController_DiscoverCommissionableNodes(Controller::DeviceCommissioner * devCtrl, const uint8_t filterType,
const char * filterParam)
{
Dnssd::DiscoveryFilter filter(static_cast<Dnssd::DiscoveryFilterType>(filterType));
switch (static_cast<Dnssd::DiscoveryFilterType>(filterType))
{
case Dnssd::DiscoveryFilterType::kNone:
break;
case Dnssd::DiscoveryFilterType::kShortDiscriminator:
case Dnssd::DiscoveryFilterType::kLongDiscriminator:
case Dnssd::DiscoveryFilterType::kCompressedFabricId:
case Dnssd::DiscoveryFilterType::kVendorId:
case Dnssd::DiscoveryFilterType::kDeviceType: {
// For any numerical filter, convert the string to a filter value
errno = 0;
unsigned long long int numericalArg = strtoull(filterParam, nullptr, 0);
if ((numericalArg == ULLONG_MAX) && (errno == ERANGE))
{
return ToPyChipError(CHIP_ERROR_INVALID_ARGUMENT);
}
filter.code = static_cast<uint64_t>(numericalArg);
break;
}
case Dnssd::DiscoveryFilterType::kCommissioningMode:
break;
case Dnssd::DiscoveryFilterType::kCommissioner:
filter.code = 1;
break;
case Dnssd::DiscoveryFilterType::kInstanceName:
filter.code = 0;
filter.instanceName = filterParam;
break;
default:
return ToPyChipError(CHIP_ERROR_INVALID_ARGUMENT);
}
return ToPyChipError(devCtrl->DiscoverCommissionableNodes(filter));
}
PyChipError pychip_DeviceController_StopCommissionableDiscovery(Controller::DeviceCommissioner * devCtrl)
{
return ToPyChipError(devCtrl->StopCommissionableDiscovery());
}
void pychip_DeviceController_IterateDiscoveredCommissionableNodes(Controller::DeviceCommissioner * devCtrl,
IterateDiscoveredCommissionableNodesFunct cb)
{
VerifyOrReturn(cb != nullptr);
for (int i = 0; i < devCtrl->GetMaxCommissionableNodesSupported(); ++i)
{
const Dnssd::DiscoveredNodeData * dnsSdInfo = devCtrl->GetDiscoveredDevice(i);
if (dnsSdInfo == nullptr)
{
continue;
}
Json::Value jsonVal;
char rotatingId[Dnssd::kMaxRotatingIdLen * 2 + 1] = "";
Encoding::BytesToUppercaseHexString(dnsSdInfo->nodeData.rotatingId, dnsSdInfo->nodeData.rotatingIdLen, rotatingId,
sizeof(rotatingId));
ChipLogProgress(Discovery, "Commissionable Node %d", i);
jsonVal["instanceName"] = dnsSdInfo->nodeData.instanceName;
jsonVal["hostName"] = dnsSdInfo->resolutionData.hostName;
jsonVal["port"] = dnsSdInfo->resolutionData.port;
jsonVal["longDiscriminator"] = dnsSdInfo->nodeData.longDiscriminator;
jsonVal["vendorId"] = dnsSdInfo->nodeData.vendorId;
jsonVal["productId"] = dnsSdInfo->nodeData.productId;
jsonVal["commissioningMode"] = dnsSdInfo->nodeData.commissioningMode;
jsonVal["deviceType"] = dnsSdInfo->nodeData.deviceType;
jsonVal["deviceName"] = dnsSdInfo->nodeData.deviceName;
jsonVal["pairingInstruction"] = dnsSdInfo->nodeData.pairingInstruction;
jsonVal["pairingHint"] = dnsSdInfo->nodeData.pairingHint;
if (dnsSdInfo->resolutionData.GetMrpRetryIntervalIdle().HasValue())
{
jsonVal["mrpRetryIntervalIdle"] = dnsSdInfo->resolutionData.GetMrpRetryIntervalIdle().Value().count();
}
if (dnsSdInfo->resolutionData.GetMrpRetryIntervalActive().HasValue())
{
jsonVal["mrpRetryIntervalActive"] = dnsSdInfo->resolutionData.GetMrpRetryIntervalActive().Value().count();
}
if (dnsSdInfo->resolutionData.GetMrpRetryActiveThreshold().HasValue())
{
jsonVal["mrpRetryActiveThreshold"] = dnsSdInfo->resolutionData.GetMrpRetryActiveThreshold().Value().count();
}
jsonVal["supportsTcp"] = dnsSdInfo->resolutionData.supportsTcp;
{
Json::Value addresses;
for (unsigned j = 0; j < dnsSdInfo->resolutionData.numIPs; ++j)
{
char buf[Inet::IPAddress::kMaxStringLength];
dnsSdInfo->resolutionData.ipAddress[j].ToString(buf);
addresses[j] = buf;
}
jsonVal["addresses"] = addresses;
}
if (dnsSdInfo->resolutionData.isICDOperatingAsLIT.HasValue())
{
jsonVal["isICDOperatingAsLIT"] = dnsSdInfo->resolutionData.isICDOperatingAsLIT.Value();
}
if (dnsSdInfo->nodeData.rotatingIdLen > 0)
{
jsonVal["rotatingId"] = rotatingId;
}
{
auto str = jsonVal.toStyledString();
cb(str.c_str(), str.size());
}
}
}
void pychip_DeviceController_PrintDiscoveredDevices(Controller::DeviceCommissioner * devCtrl)
{
for (int i = 0; i < devCtrl->GetMaxCommissionableNodesSupported(); ++i)
{
const Dnssd::DiscoveredNodeData * dnsSdInfo = devCtrl->GetDiscoveredDevice(i);
if (dnsSdInfo == nullptr)
{
continue;
}
char rotatingId[Dnssd::kMaxRotatingIdLen * 2 + 1] = "";
Encoding::BytesToUppercaseHexString(dnsSdInfo->nodeData.rotatingId, dnsSdInfo->nodeData.rotatingIdLen, rotatingId,
sizeof(rotatingId));
ChipLogProgress(Discovery, "Commissionable Node %d", i);
ChipLogProgress(Discovery, "\tInstance name:\t\t%s", dnsSdInfo->nodeData.instanceName);
ChipLogProgress(Discovery, "\tHost name:\t\t%s", dnsSdInfo->resolutionData.hostName);
ChipLogProgress(Discovery, "\tPort:\t\t\t%u", dnsSdInfo->resolutionData.port);
ChipLogProgress(Discovery, "\tLong discriminator:\t%u", dnsSdInfo->nodeData.longDiscriminator);
ChipLogProgress(Discovery, "\tVendor ID:\t\t%u", dnsSdInfo->nodeData.vendorId);
ChipLogProgress(Discovery, "\tProduct ID:\t\t%u", dnsSdInfo->nodeData.productId);
ChipLogProgress(Discovery, "\tCommissioning Mode\t%u", dnsSdInfo->nodeData.commissioningMode);
ChipLogProgress(Discovery, "\tDevice Type\t\t%u", dnsSdInfo->nodeData.deviceType);
ChipLogProgress(Discovery, "\tDevice Name\t\t%s", dnsSdInfo->nodeData.deviceName);
ChipLogProgress(Discovery, "\tRotating Id\t\t%s", rotatingId);
ChipLogProgress(Discovery, "\tPairing Instruction\t%s", dnsSdInfo->nodeData.pairingInstruction);
ChipLogProgress(Discovery, "\tPairing Hint\t\t%u", dnsSdInfo->nodeData.pairingHint);
if (dnsSdInfo->resolutionData.GetMrpRetryIntervalIdle().HasValue())
{
ChipLogProgress(Discovery, "\tMrp Interval idle\t%u",
dnsSdInfo->resolutionData.GetMrpRetryIntervalIdle().Value().count());
}
else
{
ChipLogProgress(Discovery, "\tMrp Interval idle\tNot present");
}
if (dnsSdInfo->resolutionData.GetMrpRetryIntervalActive().HasValue())
{
ChipLogProgress(Discovery, "\tMrp Interval active\t%u",
dnsSdInfo->resolutionData.GetMrpRetryIntervalActive().Value().count());
}
else
{
ChipLogProgress(Discovery, "\tMrp Interval active\tNot present");
}
ChipLogProgress(Discovery, "\tSupports TCP\t\t%d", dnsSdInfo->resolutionData.supportsTcp);
if (dnsSdInfo->resolutionData.isICDOperatingAsLIT.HasValue())
{
ChipLogProgress(Discovery, "\tICD is operating as a\t%s",
dnsSdInfo->resolutionData.isICDOperatingAsLIT.Value() ? "LIT" : "SIT");
}
for (unsigned j = 0; j < dnsSdInfo->resolutionData.numIPs; ++j)
{
char buf[Inet::IPAddress::kMaxStringLength];
dnsSdInfo->resolutionData.ipAddress[j].ToString(buf);
ChipLogProgress(Discovery, "\tAddress %d:\t\t%s", j, buf);
}
}
}
bool pychip_DeviceController_GetIPForDiscoveredDevice(Controller::DeviceCommissioner * devCtrl, int idx, char * addrStr,
uint32_t len)
{
const Dnssd::DiscoveredNodeData * dnsSdInfo = devCtrl->GetDiscoveredDevice(idx);
if (dnsSdInfo == nullptr)
{
return false;
}
// TODO(cecille): Select which one we actually want.
if (dnsSdInfo->resolutionData.ipAddress[0].ToString(addrStr, len) == addrStr)
{
return true;
}
return false;
}
}