src/infer_payload.cc - main - rnekrasov/python_backend

src/infer_payload.cc
94 строки3 KB
Kris Hung
Fix the lifetime of InferPayload (#241)
17 май 2023, 23:54
17 май 2023, 23:546fa88ce
// Copyright 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#include "infer_payload.h"

namespace triton { namespace backend { namespace python {

InferPayload::InferPayload(
    const bool is_decoupled,
    std::function<void(std::unique_ptr<InferResponse>)> callback)
    : is_decoupled_(is_decoupled), is_promise_set_(false), callback_(callback)
{
  promise_.reset(new std::promise<std::unique_ptr<InferResponse>>());
}

void
InferPayload::SetValue(std::unique_ptr<InferResponse> infer_response)
{
  {
    // Only set value to the promise with the first response. Call the callback
    // function to send decoupled response to the stub.
    std::lock_guard<std::mutex> lock(mutex_);
    if (!is_promise_set_) {
      is_promise_set_ = true;
      promise_->set_value(std::move(infer_response));
      return;
    }
  }
  Callback(std::move(infer_response));
}

void
InferPayload::SetFuture(
    std::future<std::unique_ptr<InferResponse>>& response_future)
{
  response_future = promise_->get_future();
}

bool
InferPayload::IsDecoupled()
{
  return is_decoupled_;
}

bool
InferPayload::IsPromiseSet()
{
  return is_promise_set_;
}

void
InferPayload::Callback(std::unique_ptr<InferResponse> infer_response)
{
  return callback_(std::move(infer_response));
}

void
InferPayload::SetResponseAllocUserp(
    const ResponseAllocatorUserp& response_alloc_userp)
{
  response_alloc_userp_ =
      std::make_shared<ResponseAllocatorUserp>(response_alloc_userp);
}

std::shared_ptr<ResponseAllocatorUserp>
InferPayload::ResponseAllocUserp()
{
  return response_alloc_userp_;
}

}}}  // namespace triton::backend::python