net/base/net_errors_posix.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/base/net_errors.h"
   6
   7 #include <errno.h>
   8 #include <stdlib.h>
   9 #include <string>
  10 #include <unistd.h>
  11
  12 #include "base/logging.h"
  13 #include "base/stringprintf.h"
  14
  15 namespace net {
  16
  17 Error MapSystemError(int os_error) {
  18   if (os_error != 0)
  19     DVLOG(2) << "Error " << os_error;
  20
  21   // There are numerous posix error codes, but these are the ones we thus far
  22   // find interesting.
  23   switch (os_error) {
  24     case EAGAIN:
  25 #if EWOULDBLOCK != EAGAIN
  26     case EWOULDBLOCK:
  27 #endif
  28       return ERR_IO_PENDING;
  29     case EACCES:
  30       return ERR_ACCESS_DENIED;
  31     case ENETDOWN:
  32       return ERR_INTERNET_DISCONNECTED;
  33     case ETIMEDOUT:
  34       return ERR_TIMED_OUT;
  35     case ECONNRESET:
  36     case ENETRESET:  // Related to keep-alive.
  37     case EPIPE:
  38       return ERR_CONNECTION_RESET;
  39     case ECONNABORTED:
  40       return ERR_CONNECTION_ABORTED;
  41     case ECONNREFUSED:
  42       return ERR_CONNECTION_REFUSED;
  43     case EHOSTUNREACH:
  44     case EHOSTDOWN:
  45     case ENETUNREACH:
  46     case EAFNOSUPPORT:
  47       return ERR_ADDRESS_UNREACHABLE;
  48     case EADDRNOTAVAIL:
  49       return ERR_ADDRESS_INVALID;
  50     case EMSGSIZE:
  51       return ERR_MSG_TOO_BIG;
  52     case ENOTCONN:
  53       return ERR_SOCKET_NOT_CONNECTED;
  54     case EINVAL:
  55       return ERR_INVALID_ARGUMENT;
  56     case EADDRINUSE:
  57       return ERR_ADDRESS_IN_USE;
  58     case E2BIG:  // Argument list too long.
  59       return ERR_INVALID_ARGUMENT;
  60     case EBADF:  // Bad file descriptor.
  61       return ERR_INVALID_HANDLE;
  62     case EBUSY:  // Device or resource busy.
  63       return ERR_INSUFFICIENT_RESOURCES;
  64     case ECANCELED:  // Operation canceled.
  65       return ERR_ABORTED;
  66     case EDEADLK:  // Resource deadlock avoided.
  67       return ERR_INSUFFICIENT_RESOURCES;
  68     case EDQUOT:  // Disk quota exceeded.
  69       return ERR_FILE_NO_SPACE;
  70     case EEXIST:  // File exists.
  71       return ERR_FILE_EXISTS;
  72     case EFAULT:  // Bad address.
  73       return ERR_INVALID_ARGUMENT;
  74     case EFBIG:  // File too large.
  75       return ERR_FILE_TOO_BIG;
  76     case EISDIR:  // Is a directory.
  77       return ERR_FILE_NOT_FOUND;
  78     case ENAMETOOLONG:  // Filename too long.
  79       return ERR_FILE_PATH_TOO_LONG;
  80     case ENFILE:  // Too many open files in system.
  81       return ERR_INSUFFICIENT_RESOURCES;
  82     case ENOBUFS:  // No buffer space available.
  83       return ERR_OUT_OF_MEMORY;
  84     case ENODEV:  // No such device.
  85       return ERR_INVALID_ARGUMENT;
  86     case ENOENT:  // No such file or directory.
  87       return ERR_FILE_NOT_FOUND;
  88     case ENOLCK:  // No locks available.
  89       return ERR_INSUFFICIENT_RESOURCES;
  90     case ENOMEM:  // Not enough space.
  91       return ERR_OUT_OF_MEMORY;
  92     case ENOSPC:  // No space left on device.
  93       return ERR_FILE_NO_SPACE;
  94     case ENOSYS:  // Function not implemented.
  95       return ERR_NOT_IMPLEMENTED;
  96     case ENOTDIR:  // Not a directory.
  97       return ERR_FILE_NOT_FOUND;
  98     case ENOTSUP:  // Operation not supported.
  99       return ERR_NOT_IMPLEMENTED;
 100     case EPERM:  // Operation not permitted.
 101       return ERR_ACCESS_DENIED;
 102     case EROFS:  // Read-only file system.
 103       return ERR_ACCESS_DENIED;
 104     case ETXTBSY:  // Text file busy.
 105       return ERR_ACCESS_DENIED;
 106     case EUSERS:  // Too many users.
 107       return ERR_INSUFFICIENT_RESOURCES;
 108     case EMFILE:  // Too many open files.
 109       return ERR_INSUFFICIENT_RESOURCES;
 110
 111     case 0:
 112       return OK;
 113     default:
 114       LOG(WARNING) << "Unknown error " << os_error
 115                    << " mapped to net::ERR_FAILED";
 116       return ERR_FAILED;
 117   }
 118 }
 119
 120 }  // namespace net