ACE/ace/FILE.cpp

   1 /* Defines the member functions for the base class of the ACE_IO_SAP
   2    ACE_FILE abstraction. */
   3
   4 #include "ace/FILE.h"
   5
   6 #include "ace/OS_NS_unistd.h"
   7 #include "ace/OS_NS_sys_stat.h"
   8
   9 #if defined (ACE_HAS_ALLOC_HOOKS)
  10 # include "ace/Malloc_Base.h"
  11 #endif /* ACE_HAS_ALLOC_HOOKS */
  12
  13 #if !defined (__ACE_INLINE__)
  14 #include "ace/FILE.inl"
  15 #endif /* __ACE_INLINE__ */
  16
  17 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  18
  19 ACE_ALLOC_HOOK_DEFINE(ACE_FILE)
  20
  21 void
  22 ACE_FILE::dump () const
  23 {
  24 #if defined (ACE_HAS_DUMP)
  25   ACE_TRACE ("ACE_FILE::dump");
  26   ACE_IO_SAP::dump ();
  27 #endif /* ACE_HAS_DUMP */
  28 }
  29
  30 // This is the do-nothing constructor.
  31
  32 ACE_FILE::ACE_FILE ()
  33 {
  34   ACE_TRACE ("ACE_FILE::ACE_FILE");
  35 }
  36
  37 // Close the file
  38
  39 int
  40 ACE_FILE::close ()
  41 {
  42   ACE_TRACE ("ACE_FILE::close");
  43   int result = 0;
  44
  45   if (this->get_handle () != ACE_INVALID_HANDLE)
  46     {
  47       result = ACE_OS::close (this->get_handle ());
  48       this->set_handle (ACE_INVALID_HANDLE);
  49     }
  50   return result;
  51 }
  52
  53 int
  54 ACE_FILE::get_info (ACE_FILE_Info *finfo)
  55 {
  56   ACE_TRACE ("ACE_FILE::get_info");
  57   ACE_stat filestatus;
  58
  59   int const result = ACE_OS::fstat (this->get_handle (), &filestatus);
  60
  61   if (result == 0)
  62     {
  63       finfo->mode_ = filestatus.st_mode;
  64       finfo->nlink_ = filestatus.st_nlink;
  65       finfo->size_ = filestatus.st_size;
  66     }
  67
  68   return result;
  69 }
  70
  71 int
  72 ACE_FILE::get_info (ACE_FILE_Info &finfo)
  73 {
  74   ACE_TRACE ("ACE_FILE::get_info");
  75
  76   return this->get_info (&finfo);
  77 }
  78
  79 int
  80 ACE_FILE::truncate (ACE_OFF_T length)
  81 {
  82   ACE_TRACE ("ACE_FILE::truncate");
  83   return ACE_OS::ftruncate (this->get_handle (), length);
  84 }
  85
  86 ACE_OFF_T
  87 ACE_FILE::seek (ACE_OFF_T offset, int startpos)
  88 {
  89   return ACE_OS::lseek (this->get_handle (), offset, startpos);
  90 }
  91
  92 ACE_OFF_T
  93 ACE_FILE::tell ()
  94 {
  95   ACE_TRACE ("ACE_FILE::tell");
  96   return ACE_OS::lseek (this->get_handle (), 0, SEEK_CUR);
  97 }
  98
  99 // Return the local endpoint address.
 100
 101 int
 102 ACE_FILE::get_local_addr (ACE_Addr &addr) const
 103 {
 104   ACE_TRACE ("ACE_FILE::get_local_addr");
 105
 106   // Perform the downcast since <addr> had better be an
 107   // <ACE_FILE_Addr>.
 108   ACE_FILE_Addr *file_addr =
 109     dynamic_cast<ACE_FILE_Addr *> (&addr);
 110
 111   if (file_addr == 0)
 112     return -1;
 113   else
 114     {
 115       *file_addr = this->addr_;
 116       return 0;
 117     }
 118 }
 119
 120 // Return the same result as <get_local_addr>.
 121
 122 int
 123 ACE_FILE::get_remote_addr (ACE_Addr &addr) const
 124 {
 125   ACE_TRACE ("ACE_FILE::get_remote_addr");
 126
 127   return this->get_local_addr (addr);
 128 }
 129
 130 int
 131 ACE_FILE::remove ()
 132 {
 133   ACE_TRACE ("ACE_FILE::remove");
 134
 135   this->close ();
 136   return ACE_OS::unlink (this->addr_.get_path_name ());
 137 }
 138
 139 int
 140 ACE_FILE::unlink ()
 141 {
 142   ACE_TRACE ("ACE_FILE::unlink");
 143
 144   return ACE_OS::unlink (this->addr_.get_path_name ());
 145 }
 146
 147 ACE_END_VERSIONED_NAMESPACE_DECL