Initial revision

1 files changed, 97 insertions, 0 deletions

diff --git a/ace/DEV_IO.cpp b/ace/DEV_IO.cpp
new file mode 100644
index 00000000000..52b077a3ad3
--- /dev/null
+++ b/ace/DEV_IO.cpp
@@ -0,0 +1,97 @@
+// DEV_IO.cpp
+// $Id$
+
+#define ACE_BUILD_DLL
+#include "ace/DEV_IO.h"
+#include "ace/Log_Msg.h"
+
+ACE_ALLOC_HOOK_DEFINE(ACE_DEV_IO)
+
+void
+ACE_DEV_IO::dump (void) const
+{
+  ACE_TRACE ("ACE_DEV_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_DEV_IO::ACE_DEV_IO (void)
+{
+  ACE_TRACE ("ACE_DEV_IO::ACE_DEV_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_DEV_IO::send (size_t n, ...) const
+{
+  ACE_TRACE ("ACE_DEV_IO::send");
+  va_list argp;  
+  size_t total_tuples = n / 2;
+  ssize_t result;
+#if defined (ACE_HAS_ALLOCA)
+  iovec *iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
+#else
+  iovec *iovp;
+  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);
+    }
+
+  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_DEV_IO::recv (size_t n, ...) const
+{
+  ACE_TRACE ("ACE_DEV_IO::recv");
+  va_list argp;  
+  size_t total_tuples = n / 2;
+  ssize_t result;
+#if defined (ACE_HAS_ALLOCA)
+  iovec *iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
+#else 
+  iovec *iovp;
+  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);
+    }
+
+  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;
+}
+