SaltModelTriton.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef FLAVORTAGINFERENCE_SALTMODELTRITON_H
#define FLAVORTAGINFERENCE_SALTMODELTRITON_H

 
#include "FlavorTagInference/ISaltModel.h"
 
#include "grpc_client.h"
#include "grpc_service.pb.h"
 
namespace Ort {
  class Session;
}
 
namespace tc = triton::client;
 
namespace FlavorTagInference {
 
  class SaltModelTriton final : public ISaltModel
  {
  public:
    SaltModelTriton(const std::string& path_to_onnx
            , const std::string& model_name
            , float client_timeout
            , int port
            , const std::string& url
            , bool useSSL);
 
    virtual InferenceOutput runInference(std::map<std::string, Inputs>& gnn_inputs) const override;
 
    virtual const SaltModelGraphConfig::GraphConfig getGraphConfig() const override;
    virtual const OutputConfig& getOutputConfig() const override;
    virtual SaltModelVersion getSaltModelVersion() const override;
    virtual const std::string& getModelName() const override;
 
  private:
    const nlohmann::json loadMetadata(const std::string& key, const Ort::Session* session) const;
    const std::string determineModelType(const Ort::Session* session) const;
    tc::InferenceServerGrpcClient* getClient() const;
 
    nlohmann::json m_metadata;
 
    size_t m_num_outputs;
    std::string m_model_name;
    std::string m_model_type;
    OutputConfig m_output_nodes;
 
    SaltModelVersion m_onnx_model_version = SaltModelVersion::UNKNOWN;
 
    std::unique_ptr<tc::InferOptions> m_options;
    float                             m_clientTimeout{0.f};
    int                               m_port{8001};
    std::string                       m_url{};
    bool                              m_useSSL{false};
  }; // Class SaltModelnTriton
} // end of FlavorTagInference namespace
 
#endif