/*
 * RequestPool.cpp
 *
 * Created: 16/02/2022 20:59:03
 *  Author: erkim
 */

#include "RequestPool.h"

#include <array>
#include <cstddef>

namespace
{

constexpr size_t REQUEST_POOL_SIZE = 10;

struct RequestWrapper
{
  NWK_DataReq_t request;
  bool in_use = false;
};

std::array<RequestWrapper, REQUEST_POOL_SIZE> REQUEST_POOL;

}

namespace RequestPool
{

NWK_DataReq_t* allocateRequest()
{
  for (RequestWrapper& request: REQUEST_POOL)
  {
    if (!request.in_use)
    {
      request.in_use = true;
      return &request.request;
    }
  }

  return nullptr;
}

void freeRequest(NWK_DataReq_t* request)
{
  for (RequestWrapper& req_wrapper: REQUEST_POOL)
  {
    if (&req_wrapper.request == request)
    {
      req_wrapper.in_use = false;
      return;
    }
  }
}

}