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// 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 <errno.h>
#include <stdlib.h>
#include <string>
#include <unistd.h>
#include "base/logging.h"
#include "base/stringprintf.h"
namespace net {
Error MapSystemError(int os_error) {
if (os_error != 0)
DVLOG(2) << "Error " << os_error;
// There are numerous posix error codes, but these are the ones we thus far
// find interesting.
switch (os_error) {
case EAGAIN:
#if EWOULDBLOCK != EAGAIN
case EWOULDBLOCK:
#endif
return ERR_IO_PENDING;
case EACCES:
return ERR_ACCESS_DENIED;
case ENETDOWN:
return ERR_INTERNET_DISCONNECTED;
case ETIMEDOUT:
return ERR_TIMED_OUT;
case ECONNRESET:
case ENETRESET: // Related to keep-alive.
case EPIPE:
return ERR_CONNECTION_RESET;
case ECONNABORTED:
return ERR_CONNECTION_ABORTED;
case ECONNREFUSED:
return ERR_CONNECTION_REFUSED;
case EHOSTUNREACH:
case EHOSTDOWN:
case ENETUNREACH:
case EAFNOSUPPORT:
return ERR_ADDRESS_UNREACHABLE;
case EADDRNOTAVAIL:
return ERR_ADDRESS_INVALID;
case EMSGSIZE:
return ERR_MSG_TOO_BIG;
case ENOTCONN:
return ERR_SOCKET_NOT_CONNECTED;
case EINVAL:
return ERR_INVALID_ARGUMENT;
case EADDRINUSE:
return ERR_ADDRESS_IN_USE;
case E2BIG: // Argument list too long.
return ERR_INVALID_ARGUMENT;
case EBADF: // Bad file descriptor.
return ERR_INVALID_HANDLE;
case EBUSY: // Device or resource busy.
return ERR_INSUFFICIENT_RESOURCES;
case ECANCELED: // Operation canceled.
return ERR_ABORTED;
case EDEADLK: // Resource deadlock avoided.
return ERR_INSUFFICIENT_RESOURCES;
case EDQUOT: // Disk quota exceeded.
return ERR_FILE_NO_SPACE;
case EEXIST: // File exists.
return ERR_FILE_EXISTS;
case EFAULT: // Bad address.
return ERR_INVALID_ARGUMENT;
case EFBIG: // File too large.
return ERR_FILE_TOO_BIG;
case EISDIR: // Is a directory.
return ERR_FILE_NOT_FOUND;
case ENAMETOOLONG: // Filename too long.
return ERR_FILE_PATH_TOO_LONG;
case ENFILE: // Too many open files in system.
return ERR_INSUFFICIENT_RESOURCES;
case ENOBUFS: // No buffer space available.
return ERR_OUT_OF_MEMORY;
case ENODEV: // No such device.
return ERR_INVALID_ARGUMENT;
case ENOENT: // No such file or directory.
return ERR_FILE_NOT_FOUND;
case ENOLCK: // No locks available.
return ERR_INSUFFICIENT_RESOURCES;
case ENOMEM: // Not enough space.
return ERR_OUT_OF_MEMORY;
case ENOSPC: // No space left on device.
return ERR_FILE_NO_SPACE;
case ENOSYS: // Function not implemented.
return ERR_NOT_IMPLEMENTED;
case ENOTDIR: // Not a directory.
return ERR_FILE_NOT_FOUND;
case ENOTSUP: // Operation not supported.
return ERR_NOT_IMPLEMENTED;
case EPERM: // Operation not permitted.
return ERR_ACCESS_DENIED;
case EROFS: // Read-only file system.
return ERR_ACCESS_DENIED;
case ETXTBSY: // Text file busy.
return ERR_ACCESS_DENIED;
case EUSERS: // Too many users.
return ERR_INSUFFICIENT_RESOURCES;
case EMFILE: // Too many open files.
return ERR_INSUFFICIENT_RESOURCES;
case 0:
return OK;
default:
LOG(WARNING) << "Unknown error " << os_error
<< " mapped to net::ERR_FAILED";
return ERR_FAILED;
}
}
} // namespace net
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