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/*
*
* Copyright (c) 2020 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.
*/
// module header, comes first
#include <controller/AbstractDnssdDiscoveryController.h>
#include <lib/core/CHIPEncoding.h>
#include <lib/support/logging/CHIPLogging.h>
namespace chip {
namespace Controller {
void AbstractDnssdDiscoveryController::OnNodeDiscovered(const chip::Dnssd::DiscoveredNodeData & nodeData)
{
auto discoveredNodes = GetDiscoveredNodes();
for (auto & discoveredNode : discoveredNodes)
{
if (!discoveredNode.resolutionData.IsValid())
{
continue;
}
// TODO(#32576) Check if IP address are the same. Must account for `numIPs` in the list of `ipAddress`.
// Additionally, must NOT assume that the ordering is consistent.
if (strcmp(discoveredNode.resolutionData.hostName, nodeData.resolutionData.hostName) == 0 &&
discoveredNode.resolutionData.port == nodeData.resolutionData.port &&
discoveredNode.resolutionData.numIPs == nodeData.resolutionData.numIPs)
{
discoveredNode = nodeData;
if (mDeviceDiscoveryDelegate != nullptr)
{
mDeviceDiscoveryDelegate->OnDiscoveredDevice(nodeData);
}
return;
}
}
// Node not yet in the list
for (auto & discoveredNode : discoveredNodes)
{
if (!discoveredNode.resolutionData.IsValid())
{
discoveredNode = nodeData;
if (mDeviceDiscoveryDelegate != nullptr)
{
mDeviceDiscoveryDelegate->OnDiscoveredDevice(nodeData);
}
return;
}
}
ChipLogError(Discovery, "Failed to add discovered node with hostname %s- Insufficient space", nodeData.resolutionData.hostName);
}
CHIP_ERROR AbstractDnssdDiscoveryController::SetUpNodeDiscovery()
{
auto discoveredNodes = GetDiscoveredNodes();
for (auto & discoveredNode : discoveredNodes)
{
discoveredNode.Reset();
}
return CHIP_NO_ERROR;
}
const Dnssd::DiscoveredNodeData * AbstractDnssdDiscoveryController::GetDiscoveredNode(int idx)
{
// TODO(cecille): Add assertion about main loop.
auto discoveredNodes = GetDiscoveredNodes();
if (0 <= idx && idx < CHIP_DEVICE_CONFIG_MAX_DISCOVERED_NODES && discoveredNodes.data()[idx].resolutionData.IsValid())
{
return discoveredNodes.data() + idx;
}
return nullptr;
}
} // namespace Controller
} // namespace chip