1 files changed, 133 insertions, 0 deletions
diff --git a/ace/IPC/FILE_IO.cpp b/ace/IPC/FILE_IO.cpp
new file mode 100644
index 00000000000..de7400f3c82
--- /dev/null
+++ b/ace/IPC/FILE_IO.cpp
@@ -0,0 +1,133 @@
+// FILE_IO.cpp
+// $Id$
+
+#include "ace/FILE_IO.h"
+#include "ace/Log_Msg.h"
+
+#if defined (ACE_LACKS_INLINE_FUNCTIONS)
+#include "ace/FILE_IO.i"
+#endif
+
+ACE_RCSID(ace, FILE_IO, "$Id$")
+
+ACE_ALLOC_HOOK_DEFINE(ACE_FILE_IO)
+
+void
+ACE_FILE_IO::dump (void) const
+{
+  ACE_TRACE ("ACE_FILE_IO::dump");
+
+  ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
+  this->addr_.dump ();
+  ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
+}
+
+// Simple-minded do nothing constructor.
+
+ACE_FILE_IO::ACE_FILE_IO (void)
+{
+  ACE_TRACE ("ACE_FILE_IO::ACE_FILE_IO");
+}
+
+// Send N char *ptrs and int lengths.  Note that the char *'s precede
+// the ints (basically, an varargs version of writev).  The count N is
+// the *total* number of trailing arguments, *not* a couple of the
+// number of tuple pairs!
+
+ssize_t
+ACE_FILE_IO::send (size_t n, ...) const
+{
+  ACE_TRACE ("ACE_FILE_IO::send");
+  va_list argp;  
+  size_t  total_tuples = n / 2;
+  iovec *iovp;
+#if defined (ACE_HAS_ALLOCA)
+  iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
+#else
+  ACE_NEW_RETURN (iovp,
+                  iovec[total_tuples],
+                  -1);
+#endif /* !defined (ACE_HAS_ALLOCA) */
+
+  va_start (argp, n);
+
+  for (size_t i = 0; i < total_tuples; i++)
+    {
+      iovp[i].iov_base = va_arg (argp, char *);
+      iovp[i].iov_len  = va_arg (argp, int);
+    }
+
+  ssize_t result = ACE_OS::writev (this->get_handle (), 
+                                   iovp,
+                                   total_tuples);
+#if !defined (ACE_HAS_ALLOCA)
+  delete [] iovp;
+#endif /* !defined (ACE_HAS_ALLOCA) */
+  va_end (argp);
+  return result;
+}
+
+// This is basically an interface to ACE_OS::readv, that doesn't use
+// the struct iovec explicitly.  The ... can be passed as an arbitrary
+// number of (char *ptr, int len) tuples.  However, the count N is the
+// *total* number of trailing arguments, *not* a couple of the number
+// of tuple pairs!
+
+ssize_t
+ACE_FILE_IO::recv (size_t n, ...) const
+{
+  ACE_TRACE ("ACE_FILE_IO::recv");
+  va_list argp;  
+  size_t total_tuples = n / 2;
+  iovec *iovp;
+#if defined (ACE_HAS_ALLOCA)
+  iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
+#else
+  ACE_NEW_RETURN (iovp,
+                  iovec[total_tuples],
+                  -1);
+#endif /* !defined (ACE_HAS_ALLOCA) */
+
+  va_start (argp, n);
+
+  for (size_t i = 0; i < total_tuples; i++)
+    {
+      iovp[i].iov_base = va_arg (argp, char *);
+      iovp[i].iov_len  = va_arg (argp, int);
+    }
+
+  ssize_t result = ACE_OS::readv (this->get_handle (),
+                                  iovp, 
+                                  total_tuples);
+#if !defined (ACE_HAS_ALLOCA)
+  delete [] iovp;
+#endif /* !defined (ACE_HAS_ALLOCA) */
+  va_end (argp);
+  return result;
+}
+
+// Allows a client to read from a file without having to provide a
+// buffer to read.  This method determines how much data is in the
+// file, allocates a buffer of this size, reads in the data, and
+// returns the number of bytes read.
+
+ssize_t
+ACE_FILE_IO::recvv (iovec *io_vec)
+{
+  ACE_TRACE ("ACE_FILE_IO::recvv");
+
+  io_vec->iov_base = 0;
+  long length = ACE_OS::filesize (this->get_handle ());
+
+  if (length > 0)
+    {
+      ACE_NEW_RETURN (io_vec->iov_base,
+                      char[length],
+                      -1);
+      io_vec->iov_len = this->recv_n (io_vec->iov_base,
+                                      length);
+      return io_vec->iov_len;
+    }
+  else
+    return length;
+}