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/*
* SPDX-FileCopyrightText: Copyright (c) 1993-2022 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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 "NvInfer.h"
#include "NvInferPlugin.h"
{% for header in headers %}
#include "[[ header ]]"
{% endfor %}
#include <algorithm>
#include <array>
#include <iostream>
#include <memory>
#include <mutex>
#include <stack>
#include <unordered_set>
using namespace nvinfer1;
using namespace nvinfer1::plugin;
namespace nvinfer1
{
namespace
{
// This singleton ensures that each plugin is only registered once for a given
// namespace and type, and attempts of duplicate registration are ignored.
class TritonPluginCreatorRegistry
{
public:
static TritonPluginCreatorRegistry& getInstance()
{
static TritonPluginCreatorRegistry instance;
return instance;
}
template <typename CreatorType>
void addPluginCreator(void* logger, const char* libNamespace)
{
// Make accesses to the plugin creator registry thread safe
std::lock_guard<std::mutex> lock(mRegistryLock);
std::string errorMsg;
std::string verboseMsg;
auto pluginCreator = std::make_unique<CreatorType>();
pluginCreator->setPluginNamespace(libNamespace);
nvinfer1::ILogger* trtLogger = static_cast<nvinfer1::ILogger*>(logger);
std::string pluginType = std::string{pluginCreator->getPluginNamespace()}
+ "::" + std::string{pluginCreator->getPluginName()} + " version "
+ std::string{pluginCreator->getPluginVersion()};
if (mRegistryList.find(pluginType) == mRegistryList.end())
{
bool status = getPluginRegistry()->registerCreator(*pluginCreator, libNamespace);
if (status)
{
mRegistry.push(std::move(pluginCreator));
mRegistryList.insert(pluginType);
verboseMsg = "Registered plugin creator - " + pluginType;
}
else
{
errorMsg = "Could not register plugin creator - " + pluginType;
}
}
else
{
verboseMsg = "Plugin creator already registered - " + pluginType;
}
if (trtLogger)
{
if (!errorMsg.empty())
{
trtLogger->log(ILogger::Severity::kERROR, errorMsg.c_str());
}
if (!verboseMsg.empty())
{
trtLogger->log(ILogger::Severity::kVERBOSE, verboseMsg.c_str());
}
}
}
~TritonPluginCreatorRegistry()
{
std::lock_guard<std::mutex> lock(mRegistryLock);
// Release pluginCreators in LIFO order of registration.
while (!mRegistry.empty())
{
mRegistry.pop();
}
mRegistryList.clear();
}
private:
TritonPluginCreatorRegistry() {}
std::mutex mRegistryLock;
std::stack<std::unique_ptr<IPluginCreator>> mRegistry;
std::unordered_set<std::string> mRegistryList;
public:
TritonPluginCreatorRegistry(TritonPluginCreatorRegistry const&) = delete;
void operator=(TritonPluginCreatorRegistry const&) = delete;
};
template <typename CreatorType>
void initializeTritonPlugin(void* logger, const char* libNamespace)
{
TritonPluginCreatorRegistry::getInstance().addPluginCreator<CreatorType>(logger, libNamespace);
}
} // namespace
} // namespace nvinfer1
// New Plugin APIs
extern "C"
{
bool initLibNvInferPlugins(void* logger, const char* libNamespace)
{
{# create the registers for all the plugins #}
{% for creator in plugin_creators %}
nvinfer1::initializeTritonPlugin<nvinfer1::plugin::[[ creator ]]>(logger, libNamespace);
{% endfor %}
return true;
}
} // extern "C"
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