Initial revision

1 files changed, 330 insertions, 0 deletions

diff --git a/ace/Stream_Modules.cpp b/ace/Stream_Modules.cpp
new file mode 100644
index 00000000000..53428b31305
--- /dev/null
+++ b/ace/Stream_Modules.cpp
@@ -0,0 +1,330 @@
+// Stream_Modules.cpp
+// $Id$
+
+#if !defined (ACE_STREAM_MODULES_C)
+#define ACE_STREAM_MODULES_C
+
+#define ACE_BUILD_DLL
+#include "ace/Stream_Modules.h"
+
+#if !defined (__ACE_INLINE__)
+#include "ace/Stream_Modules.i"
+#endif /* __ACE_INLINE__ */
+
+ACE_ALLOC_HOOK_DEFINE(ACE_Stream_Head)
+
+template <ACE_SYNCH_1> void
+ACE_Stream_Head<ACE_SYNCH_2>::dump (void) const
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::dump");
+}
+
+/* ACE_Module that act as the head and tail of a Stream. */
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Head<ACE_SYNCH_2>::open (void *)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::open");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Head<ACE_SYNCH_2>::close (u_long)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::close");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Head<ACE_SYNCH_2>::svc (void)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::svc");
+  return -1;
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Head<ACE_SYNCH_2>::control (ACE_Message_Block *mb)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::control");
+  ACE_IO_Cntl_Msg *ioc = (ACE_IO_Cntl_Msg *) mb->rd_ptr ();
+  ACE_IO_Cntl_Msg::ACE_IO_Cntl_Cmds cmd;
+
+  switch (cmd = ioc->cmd ())
+    {
+    case ACE_IO_Cntl_Msg::SET_LWM:
+    case ACE_IO_Cntl_Msg::SET_HWM:
+      this->water_marks (cmd, *(size_t *) mb->cont ()->rd_ptr ());
+      ioc->rval (0);
+      break;
+    default:
+      return 0;
+    }
+  return ioc->rval ();
+}
+
+/* Performs canonical flushing at the ACE_Stream Head */
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Head<ACE_SYNCH_2>::canonical_flush (ACE_Message_Block *mb)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::canonical_flush");
+  char *cp = mb->rd_ptr ();
+
+  if (*cp & ACE_Task_Flags::ACE_FLUSHR)
+    {
+      this->flush (ACE_Task_Flags::ACE_FLUSHALL);
+      *cp &= ~ACE_Task_Flags::ACE_FLUSHR;
+    }
+  if (*cp & ACE_Task_Flags::ACE_FLUSHW)
+    return this->reply (mb);
+  else
+    delete mb;
+  return 0;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Head<ACE_SYNCH_2>::put (ACE_Message_Block *mb, ACE_Time_Value *tv)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::put");
+  int res = 0;
+
+  if (mb->msg_type () == ACE_Message_Block::MB_IOCTL
+      && (res = this->control (mb)) == -1)
+    return res;
+
+  if (this->is_writer ())
+    {
+      return this->put_next (mb, tv);
+    }
+  else /* this->is_reader () */
+    {      
+      switch (mb->msg_type ())
+	{
+	case ACE_Message_Block::MB_FLUSH:
+	  return this->canonical_flush (mb);
+	default:
+	  break;
+	}
+      
+      return this->putq (mb, tv);
+    }
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Head<ACE_SYNCH_2>::init (int, char *[])
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::init");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Head<ACE_SYNCH_2>::info (char **strp, size_t length) const
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::info");
+  const char *name = this->name ();
+  
+  if (*strp == 0 && (*strp = ACE_OS::strdup (name)) == 0)
+    return -1;
+  else
+    ACE_OS::strncpy (*strp, name, length);
+  return ACE_OS::strlen (name);
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Head<ACE_SYNCH_2>::fini (void)
+{
+  ACE_TRACE ("ACE_Stream_Head<ACE_SYNCH_2>::fini");
+  return 0;
+}
+
+ACE_ALLOC_HOOK_DEFINE(ACE_Stream_Tail)
+
+template <ACE_SYNCH_1> void
+ACE_Stream_Tail<ACE_SYNCH_2>::dump (void) const
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::dump");
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Tail<ACE_SYNCH_2>::open (void *)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::open");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Tail<ACE_SYNCH_2>::close (u_long)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::close");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Tail<ACE_SYNCH_2>::svc (void)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::svc");
+  return -1;
+}
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Tail<ACE_SYNCH_2>::control (ACE_Message_Block *mb)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::control");
+  ACE_IO_Cntl_Msg *ioc = (ACE_IO_Cntl_Msg *) mb->rd_ptr ();
+  ACE_IO_Cntl_Msg::ACE_IO_Cntl_Cmds cmd;
+  
+  switch (cmd = ioc->cmd ())
+    {
+    case ACE_IO_Cntl_Msg::SET_LWM:
+    case ACE_IO_Cntl_Msg::SET_HWM:
+      {
+	size_t size = *(size_t *) mb->cont ()->rd_ptr ();
+
+	this->water_marks (cmd, size);
+	this->sibling ()->water_marks (cmd, size);
+	ioc->rval (0);
+	break;
+      }
+    default:
+      mb->msg_type (ACE_Message_Block::MB_IOCNAK);
+    }
+  return this->reply (mb);
+}
+
+/* Perform flush algorithm as though we were the driver */
+
+template <ACE_SYNCH_1> int
+ACE_Stream_Tail<ACE_SYNCH_2>::canonical_flush (ACE_Message_Block *mb)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::canonical_flush");
+  char *cp = mb->rd_ptr ();
+
+  if (*cp & ACE_Task_Flags::ACE_FLUSHW)
+    {
+      this->flush (ACE_Task_Flags::ACE_FLUSHALL);
+      *cp &= ~ACE_Task_Flags::ACE_FLUSHW;
+    }
+  if (*cp & ACE_Task_Flags::ACE_FLUSHR)
+    {
+      this->sibling ()->flush (ACE_Task_Flags::ACE_FLUSHALL);
+      return this->reply (mb);
+    }
+  else
+    delete mb;
+  return 0;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Tail<ACE_SYNCH_2>::put (ACE_Message_Block *mb, ACE_Time_Value *
+
+)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::put");
+  if (this->is_writer ())
+    {
+      switch (mb->msg_type ())
+	{
+	case ACE_Message_Block::MB_IOCTL:
+	  return this->control (mb);
+	  /* NOTREACHED */
+	default:
+	  delete mb;
+	}
+    }
+
+  return -1;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Tail<ACE_SYNCH_2>::init (int, char *[])
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::init");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Tail<ACE_SYNCH_2>::info (char **strp, size_t length) const
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::info");
+  const char *name = this->name ();
+  
+  if (*strp == 0 && (*strp = ACE_OS::strdup (name)) == 0)
+    return -1;
+  else
+    ACE_OS::strncpy (*strp, name, length);
+  return ACE_OS::strlen (name);
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Stream_Tail<ACE_SYNCH_2>::fini (void)
+{
+  ACE_TRACE ("ACE_Stream_Tail<ACE_SYNCH_2>::fini");
+  return 0;
+}
+
+ACE_ALLOC_HOOK_DEFINE(ACE_Thru_Task)
+
+template <ACE_SYNCH_1> void
+ACE_Thru_Task<ACE_SYNCH_2>::dump (void) const
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::dump");
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Thru_Task<ACE_SYNCH_2>::open (void *)
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::open");
+  return 0; 
+}
+
+template <ACE_SYNCH_1> int
+ACE_Thru_Task<ACE_SYNCH_2>::close (u_long)
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::close");
+  return 0; 
+}
+
+template <ACE_SYNCH_1> int
+ACE_Thru_Task<ACE_SYNCH_2>::svc (void)
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::svc");
+  return -1;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Thru_Task<ACE_SYNCH_2>::put (ACE_Message_Block *msg, 
+				 ACE_Time_Value *tv)
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::put");
+  return this->put_next (msg, tv);
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Thru_Task<ACE_SYNCH_2>::init (int, char *[])
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::init");
+  return 0;
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Thru_Task<ACE_SYNCH_2>::info (char **strp, 
+				  size_t length) const
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::info");
+  const char *name = this->name ();
+  
+  if (*strp == 0 && (*strp = ACE_OS::strdup (name)) == 0)
+    return -1;
+  else
+    ACE_OS::strncpy (*strp, name, length);
+  return ACE_OS::strlen (name);
+}
+
+template <ACE_SYNCH_1> int 
+ACE_Thru_Task<ACE_SYNCH_2>::fini (void)
+{
+  ACE_TRACE ("ACE_Thru_Task<ACE_SYNCH_2>::fini");
+  return 0;
+}
+
+#endif /* ACE_STREAM_MODULES_C */