// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "net/base/net_errors.h"

#include <winsock2.h>

#include "base/logging.h"

namespace net {

// Map winsock error to Chromium error.
Error MapSystemError(int os_error) {
  // There are numerous Winsock error codes, but these are the ones we thus far
  // find interesting.
  switch (os_error) {
    case WSAEWOULDBLOCK:
      return ERR_IO_PENDING;
    case WSAEACCES:
      return ERR_ACCESS_DENIED;
    case WSAENETDOWN:
      return ERR_INTERNET_DISCONNECTED;
    case WSAETIMEDOUT:
      return ERR_TIMED_OUT;
    case WSAECONNRESET:
    case WSAENETRESET:  // Related to keep-alive
      return ERR_CONNECTION_RESET;
    case WSAECONNABORTED:
      return ERR_CONNECTION_ABORTED;
    case WSAECONNREFUSED:
      return ERR_CONNECTION_REFUSED;
    case WSA_IO_INCOMPLETE:
    case WSAEDISCON:
      return ERR_CONNECTION_CLOSED;
    case WSAEHOSTUNREACH:
    case WSAENETUNREACH:
      return ERR_ADDRESS_UNREACHABLE;
    case WSAEADDRNOTAVAIL:
      return ERR_ADDRESS_INVALID;
    case WSAENOTCONN:
      return ERR_SOCKET_NOT_CONNECTED;
    case WSAEAFNOSUPPORT:
      return ERR_ADDRESS_UNREACHABLE;
    case ERROR_SUCCESS:
      return OK;
    default:
      LOG(WARNING) << "Unknown error " << os_error
                   << " mapped to net::ERR_FAILED";
      return ERR_FAILED;
  }
}

}  // namespace net