// Copyright(c) 2018, Intel Corporation

//

// Redistribution  and  use  in source  and  binary  forms,  with  or  without

// modification, are permitted provided that the following conditions are met:

//

// * Redistributions of  source code  must retain the  above copyright notice,

//   this list of conditions and the following disclaimer.

// * Redistributions in binary form must reproduce the above copyright notice,

//   this list of conditions and the following disclaimer in the documentation

//   and/or other materials provided with the distribution.

// * Neither the name  of Intel Corporation  nor the names of its contributors

//   may be used to  endorse or promote  products derived  from this  software

//   without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT NOT LIMITED TO,  THE

// IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED.  IN NO EVENT  SHALL THE COPYRIGHT OWNER  OR CONTRIBUTORS BE

// LIABLE  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR

// CONSEQUENTIAL  DAMAGES  (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT  OF

// SUBSTITUTE GOODS OR SERVICES;  LOSS OF USE,  DATA, OR PROFITS;  OR BUSINESS

// INTERRUPTION)  HOWEVER CAUSED  AND ON ANY THEORY  OF LIABILITY,  WHETHER IN

// CONTRACT,  STRICT LIABILITY,  OR TORT  (INCLUDING NEGLIGENCE  OR OTHERWISE)

// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,  EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

#include <opae/cxx/core/except.h>

#include <opae/cxx/core/sysobject.h>

#include <opae/sysobject.h>

namespace opae {

namespace fpga {

namespace types {

sysobject::sysobject(fpga_object sysobj, token::ptr_t tok, handle::ptr_t hnd)

    : sysobject_(sysobj), token_(tok), handle_(hnd) {}

sysobject::~sysobject() {

  if (sysobject_ != nullptr) {

    auto res = fpgaDestroyObject(&sysobject_);

    if (res != FPGA_OK) {

      std::cerr << "Error while calling fpgaDestroyObject: " << fpgaErrStr(res)

                << "\n";

    }

  }

}

uint32_t sysobject::size() const {

  uint32_t size;

  ASSERT_FPGA_OK(fpgaObjectGetSize(sysobject_, &size, FPGA_OBJECT_SYNC));

  return size;

}

enum fpga_sysobject_type sysobject::type() const {

  enum fpga_sysobject_type _type;

  ASSERT_FPGA_OK(fpgaObjectGetType(sysobject_, &_type));

  return _type;

}

sysobject::ptr_t sysobject::get(token::ptr_t tok, const std::string &path,

                                int flags) {

  fpga_object sysobj;

  sysobject::ptr_t obj;

  auto res = fpgaTokenGetObject(tok->c_type(), path.c_str(), &sysobj, flags);

  if (!res) {

    obj.reset(new sysobject(sysobj, tok, nullptr));

  } else if (res != FPGA_NOT_FOUND) {

    ASSERT_FPGA_OK(res);

  }

  return obj;

}

sysobject::ptr_t sysobject::get(handle::ptr_t hnd, const std::string &path,

                                int flags) {

  fpga_object sysobj;

  sysobject::ptr_t obj;

  auto res = fpgaHandleGetObject(hnd->c_type(), path.c_str(), &sysobj, flags);

  if (!res) {

    obj.reset(new sysobject(sysobj, nullptr, hnd));

  } else if (res != FPGA_NOT_FOUND) {

    ASSERT_FPGA_OK(res);

  }

  return obj;

}

sysobject::ptr_t sysobject::get(const std::string &path, int flags) {

  fpga_object sysobj;

  sysobject::ptr_t obj;

  auto res = fpgaObjectGetObject(sysobject_, path.c_str(), &sysobj, flags);

  if (!res) {

    obj.reset(new sysobject(sysobj, token_, handle_));

  } else if (res != FPGA_NOT_FOUND) {

    ASSERT_FPGA_OK(res);

  }

  return obj;

}

sysobject::ptr_t sysobject::get(int i) {

  fpga_object sysobj;

  sysobject::ptr_t obj;

  auto res = fpgaObjectGetObjectAt(sysobject_, i, &sysobj);

  if (!res) {

    obj.reset(new sysobject(sysobj, token_, handle_));

  } else if (res != FPGA_NOT_FOUND) {

    ASSERT_FPGA_OK(res);

  }

  return obj;

}

uint64_t sysobject::read64(int flags) const {

  uint64_t value = 0;

  ASSERT_FPGA_OK(fpgaObjectRead64(sysobject_, &value, flags));

  return value;

}

void sysobject::write64(uint64_t value, int flags) const {

  ASSERT_FPGA_OK(fpgaObjectWrite64(sysobject_, value, flags));

}

std::vector<uint8_t> sysobject::bytes(int flags) const {

  uint32_t size;

  ASSERT_FPGA_OK(fpgaObjectGetSize(sysobject_, &size, flags));

  std::vector<uint8_t> bytes(size);

  ASSERT_FPGA_OK(fpgaObjectRead(sysobject_, bytes.data(), 0, size, flags));

  return bytes;

}

std::vector<uint8_t> sysobject::bytes(uint32_t offset, uint32_t size,

                                      int flags) const {

  std::vector<uint8_t> bytes(size);

  ASSERT_FPGA_OK(fpgaObjectRead(sysobject_, bytes.data(), offset, size, flags));

  return bytes;

}

}  // end of namespace types

}  // end of namespace fpga

}  // end of namespace opae