ChangeLogTag: Thu Jul 5 23:30:07 2001 Balachandran Natarajan <bala@cs.wustl.edu>

1 files changed, 151 insertions, 0 deletions

diff --git a/TAO/tao/Incoming_Message_Queue.cpp b/TAO/tao/Incoming_Message_Queue.cpp
new file mode 100644
index 00000000000..17f8b31d6b9
--- /dev/null
+++ b/TAO/tao/Incoming_Message_Queue.cpp
@@ -0,0 +1,151 @@
+#include "Incoming_Message_Queue.h"
+#include "ORB_Core.h"
+#include "debug.h"
+
+
+#if !defined (__ACE_INLINE__)
+# include "Incoming_Message_Queue.inl"
+#endif /* __ACE_INLINE__ */
+
+ACE_RCSID (tao, Incoming_Message_Queue, "$Id$")
+
+
+TAO_Incoming_Message_Queue::TAO_Incoming_Message_Queue (TAO_ORB_Core *orb_core)
+  : queued_data_ (0),
+    size_ (0),
+    orb_core_ (orb_core)
+{
+}
+
+TAO_Incoming_Message_Queue::~TAO_Incoming_Message_Queue (void)
+{
+  // Delete the QD
+  if (this->size_)
+    {
+      TAO_Queued_Data *qd = this->dequeue_head ();
+      TAO_Queued_Data::release (qd);
+    }
+}
+
+size_t
+TAO_Incoming_Message_Queue::copy_tail (ACE_Message_Block &block)
+{
+  // The size of message that is copied
+  size_t n = 0;
+
+  if (this->size_ > 0)
+    {
+      // Check to see if the length of the incoming block is less than
+      // that of the <missing_data_> of the tail.
+      if ((CORBA::Long)block.length () <= this->queued_data_->missing_data_)
+        {
+          n = block.length ();
+        }
+      else
+        {
+          n = this->queued_data_->missing_data_;
+        }
+
+      // Do the copy
+      this->queued_data_->msg_block_->copy (block.rd_ptr (),
+                                            n);
+
+      // Decerement the missing data
+      this->queued_data_->missing_data_ -= n;
+    }
+
+  return n;
+}
+
+TAO_Queued_Data *
+TAO_Incoming_Message_Queue::dequeue_head (void)
+{
+  // Get the node on the head of the queue...
+  TAO_Queued_Data *tmp =
+    this->queued_data_->next_;
+
+  // Reset the head node..
+  this->queued_data_->next_ = tmp->next_;
+
+  // Decrease the size
+  --this->size_;
+
+ return tmp;
+}
+
+TAO_Queued_Data *
+TAO_Incoming_Message_Queue::dequeue_tail (void)
+{
+  // This is a bit painful stuff...
+  if (this->size_ == 0)
+    return 0;
+
+  // Get the node on the head of the queue...
+  TAO_Queued_Data *tmp =
+    this->queued_data_->next_;
+
+  while (tmp->next_ != this->queued_data_)
+    {
+      tmp = tmp->next_;
+    }
+
+  // Put the head in tmp.
+  tmp->next_ = this->queued_data_->next_;
+
+  TAO_Queued_Data *ret_qd = this->queued_data_;
+
+  this->queued_data_ = tmp;
+
+  // Decrease the size
+  --this->size_;
+
+ return ret_qd;
+}
+
+
+int
+TAO_Incoming_Message_Queue::enqueue_tail (TAO_Queued_Data *nd)
+{
+  if (this->size_ == 0)
+    {
+      this->queued_data_ = nd;
+      this->queued_data_->next_ = this->queued_data_;
+    }
+  else
+    {
+      nd->next_ = this->queued_data_->next_;
+      this->queued_data_->next_ = nd;
+      this->queued_data_ = nd;
+    }
+
+  ++ this->size_;
+  return 0;
+}
+
+
+/************************************************************************/
+// Methods  for TAO_Queued_Data
+/************************************************************************/
+
+
+TAO_Queued_Data::TAO_Queued_Data (void)
+  : msg_block_ (0),
+    missing_data_ (0),
+    byte_order_ (0),
+    major_version_ (0),
+    minor_version_ (0),
+    msg_type_ (TAO_PLUGGABLE_MESSAGE_MESSAGERROR),
+    next_ (0)
+{
+}
+
+TAO_Queued_Data::TAO_Queued_Data (ACE_Message_Block *mb)
+  : msg_block_ (mb),
+    missing_data_ (0),
+    byte_order_ (0),
+    major_version_ (0),
+    minor_version_ (0),
+    msg_type_ (TAO_PLUGGABLE_MESSAGE_MESSAGERROR),
+    next_ (0)
+{
+}