src/add-ons/kernel/file_systems/nfs4/RPCReply.cpp

   1 /*
   2  * Copyright 2012 Haiku, Inc. All rights reserved.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Paweł Dziepak, pdziepak@quarnos.org
   7  */
   8
   9
  10 #include "RPCReply.h"
  11
  12 #include <debug.h>
  13 #include <util/kernel_cpp.h>
  14
  15 #include "RPCDefs.h"
  16
  17
  18 using namespace RPC;
  19
  20
  21 Reply::Reply(void* buffer, int size)
  22         :
  23         fError(B_OK),
  24         fStream(buffer, size),
  25         fBuffer(buffer)
  26 {
  27         ASSERT(buffer != NULL);
  28
  29         fXID = fStream.GetUInt();
  30         if (fStream.GetInt() != REPLY) {
  31                 fError = B_BAD_VALUE;
  32                 return;
  33         }
  34
  35         if (fStream.GetInt() == MSG_ACCEPTED) {
  36                 fStream.GetInt();
  37                 fStream.GetOpaque(NULL);
  38
  39                 switch (fStream.GetInt()) {
  40                         case SUCCESS:
  41                                 return;
  42                         case PROG_UNAVAIL:
  43                         case PROG_MISMATCH:
  44                         case PROC_UNAVAIL:
  45                                 fError = B_DEVICE_NOT_FOUND;
  46                                 return;
  47                         case GARBAGE_ARGS:
  48                                 fError = B_MISMATCHED_VALUES;
  49                                 return;
  50                         case SYSTEM_ERR:
  51                                 fError = B_ERROR;
  52                                 return;
  53                         default:
  54                                 fError = B_BAD_VALUE;
  55                                 return;
  56                 }
  57         } else {                // MSG_DENIED
  58                 if (fStream.GetInt() == RPC_MISMATCH) {
  59                         fError = B_DEVICE_NOT_FOUND;
  60                         return;
  61                 } else {        // AUTH_ERROR
  62                         fError = B_PERMISSION_DENIED;
  63                         return;
  64                 }
  65         }
  66 }
  67
  68
  69 Reply::~Reply()
  70 {
  71         free(fBuffer);
  72 }
  73