66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/*
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// Copyright (C) 2020-2024 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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*/
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#pragma once
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#include <stddef.h>
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#include <mutex>
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#include <utility>
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#include <vector>
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#include <openvino/openvino.hpp>
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/// This is class storing requests pool for asynchronous pipeline
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///
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class RequestsPool {
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public:
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RequestsPool(ov::CompiledModel& compiledModel, unsigned int size);
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~RequestsPool();
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/// Returns idle request from the pool. Returned request is automatically marked as In Use (this status will be
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/// reset after request processing completion) This function is thread safe as long as request is used only until
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/// setRequestIdle call
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/// @returns pointer to request with idle state or nullptr if all requests are in use.
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ov::InferRequest getIdleRequest();
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/// Sets particular request to Idle state
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/// This function is thread safe as long as request provided is not used after call to this function
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/// @param request - request to be returned to idle state
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void setRequestIdle(const ov::InferRequest& request);
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/// Returns number of requests in use. This function is thread safe.
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/// @returns number of requests in use
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size_t getInUseRequestsCount();
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/// Returns number of requests in use. This function is thread safe.
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/// @returns number of requests in use
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bool isIdleRequestAvailable();
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/// Waits for completion of every non-idle requests in pool.
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/// getIdleRequest should not be called together with this function or after it to avoid race condition or invalid
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/// state
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/// @returns number of requests in use
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void waitForTotalCompletion();
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/// Returns list of all infer requests in the pool.
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/// @returns list of all infer requests in the pool.
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std::vector<ov::InferRequest> getInferRequestsList();
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private:
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std::vector<std::pair<ov::InferRequest, bool>> requests;
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size_t numRequestsInUse;
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std::mutex mtx;
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};
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