/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "logging.h"

// nICEr includes

extern "C" {

#include "nr_api.h"

#include "r_memory.h"

#include "local_addr.h"

}

// Local includes

#include "nricestunaddr.h"

namespace mozilla {

MOZ_MTLOG_MODULE("mtransport")

NrIceStunAddr::NrIceStunAddr()

  : localAddr_(new nr_local_addr)

{

  memset(localAddr_, 0, sizeof(nr_local_addr));

}

NrIceStunAddr::NrIceStunAddr(const nr_local_addr* addr)

  : localAddr_(new nr_local_addr)

{

  nr_local_addr_copy(localAddr_,

                     const_cast<nr_local_addr*>(addr));

}

NrIceStunAddr::NrIceStunAddr(const NrIceStunAddr& rhs)

  : localAddr_(new nr_local_addr)

{

  nr_local_addr_copy(localAddr_,

                     const_cast<nr_local_addr*>(rhs.localAddr_));

}

NrIceStunAddr::~NrIceStunAddr()

{

  delete localAddr_;

}

size_t

NrIceStunAddr::SerializationBufferSize() const

{

  return sizeof(nr_local_addr);

}

nsresult

NrIceStunAddr::Serialize(char* buffer, size_t buffer_size) const

{

  if (buffer_size != sizeof(nr_local_addr)) {

    MOZ_MTLOG(ML_ERROR, "Failed trying to serialize NrIceStunAddr, "

                        "input buffer length (" << buffer_size <<

                        ") does not match required length ("

                        << sizeof(nr_local_addr) << ")");

    MOZ_ASSERT(false, "Failed to serialize NrIceStunAddr, bad buffer size");

    return NS_ERROR_FAILURE;

  }

  nr_local_addr* toAddr = (nr_local_addr*)buffer;

  if (nr_local_addr_copy(toAddr, localAddr_)) {

    MOZ_MTLOG(ML_ERROR, "Failed trying to serialize NrIceStunAddr, "

                        "could not copy nr_local_addr.");

    MOZ_ASSERT(false, "Failed to serialize NrIceStunAddr, nr_local_addr_copy failed");

    return NS_ERROR_FAILURE;

  }

  // don't serialize what will be a bad addr when we deserialize

  toAddr->addr.addr = nullptr;

  return NS_OK;

}

nsresult

NrIceStunAddr::Deserialize(const char* buffer, size_t buffer_size)

{

  if (buffer_size != sizeof(nr_local_addr)) {

    MOZ_MTLOG(ML_ERROR, "Failed trying to deserialize NrIceStunAddr, "

                        "input buffer length (" << buffer_size <<

                        ") does not match required length ("

                        << sizeof(nr_local_addr) << ")");

    MOZ_ASSERT(false, "Failed to deserialize NrIceStunAddr, bad buffer size");

    return NS_ERROR_FAILURE;

  }

  nr_local_addr* from_addr =

      const_cast<nr_local_addr*>((const nr_local_addr*)buffer);

  // At this point, from_addr->addr.addr is invalid (null), but will

  // be fixed by nr_local_addr_copy.

  if (nr_local_addr_copy(localAddr_, from_addr)) {

    MOZ_MTLOG(ML_ERROR, "Failed trying to deserialize NrIceStunAddr, "

                        "could not copy nr_local_addr.");

    MOZ_ASSERT(false, "Failed to deserialize NrIceStunAddr, nr_local_addr_copy failed");

    return NS_ERROR_FAILURE;

  }

  return NS_OK;

}

} // namespace mozilla