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// $Id$
#include "tao/Strategies/UIOP_Transport.h"
#if TAO_HAS_UIOP == 1
#include "tao/Strategies/UIOP_Connection_Handler.h"
#include "tao/Strategies/UIOP_Profile.h"
#include "tao/Timeprobe.h"
#include "tao/CDR.h"
#include "tao/Transport_Mux_Strategy.h"
#include "tao/Wait_Strategy.h"
#include "tao/Stub.h"
#include "tao/ORB_Core.h"
#include "tao/debug.h"
#include "tao/GIOP_Message_Base.h"
#include "tao/GIOP_Message_Lite.h"
ACE_RCSID (Strategies,
UIOP_Transport,
"$Id$")
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
TAO_UIOP_Transport::TAO_UIOP_Transport (TAO_UIOP_Connection_Handler *handler,
TAO_ORB_Core *orb_core,
CORBA::Boolean flag)
: TAO_Transport (TAO_TAG_UIOP_PROFILE,
orb_core)
, connection_handler_ (handler)
, messaging_object_ (0)
{
/*
* Hook to customize the messaging object when the concrete messaging
* object is known a priori. In this case, the flag is ignored.
*/
//@@ MESSAGING_SPL_COMMENT_HOOK_START
if (flag)
{
// Use the lite version of the protocol
ACE_NEW (this->messaging_object_,
TAO_GIOP_Message_Lite (orb_core));
}
else
{
// Use the normal GIOP object
ACE_NEW (this->messaging_object_,
TAO_GIOP_Message_Base (orb_core, this));
}
//@@ MESSAGING_SPL_COMMENT_HOOK_END
}
TAO_UIOP_Transport::~TAO_UIOP_Transport (void)
{
delete this->messaging_object_;
}
ACE_Event_Handler *
TAO_UIOP_Transport::event_handler_i (void)
{
return this->connection_handler_;
}
TAO_Connection_Handler *
TAO_UIOP_Transport::connection_handler_i (void)
{
return this->connection_handler_;
}
TAO_Pluggable_Messaging *
TAO_UIOP_Transport::messaging_object (void)
{
return this->messaging_object_;
}
ssize_t
TAO_UIOP_Transport::send (iovec *iov, int iovcnt,
size_t &bytes_transferred,
const ACE_Time_Value *max_wait_time)
{
ssize_t const retval =
this->connection_handler_->peer ().sendv (iov, iovcnt, max_wait_time);
if (retval > 0)
bytes_transferred = retval;
return retval;
}
ssize_t
TAO_UIOP_Transport::recv (char *buf,
size_t len,
const ACE_Time_Value *max_wait_time)
{
const ssize_t n = this->connection_handler_->peer ().recv (buf,
len,
max_wait_time);
// Most of the errors handling is common for
// Now the message has been read
if (n == -1 &&
TAO_debug_level > 4 &&
errno != ETIME)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO (%P|%t) - %p \n"),
ACE_TEXT ("TAO - read message failure ")
ACE_TEXT ("recv () \n")));
}
// Error handling
if (n == -1)
{
if (errno == EWOULDBLOCK)
return 0;
return -1;
}
// @@ What are the other error handling here??
else if (n == 0)
{
return -1;
}
return n;
}
int
TAO_UIOP_Transport::send_request (TAO_Stub *stub,
TAO_ORB_Core *orb_core,
TAO_OutputCDR &stream,
int message_semantics,
ACE_Time_Value *max_wait_time)
{
if (this->ws_->sending_request (orb_core, message_semantics) == -1)
return -1;
if (this->send_message (stream, stub, message_semantics, max_wait_time) == -1)
return -1;
this->first_request_sent();
return 0;
}
int
TAO_UIOP_Transport::send_message (TAO_OutputCDR &stream,
TAO_Stub *stub,
int message_semantics,
ACE_Time_Value *max_wait_time)
{
// Format the message in the stream first
if (this->messaging_object_->format_message (stream) != 0)
return -1;
// Strictly speaking, should not need to loop here because the
// socket never gets set to a nonblocking mode ... some Linux
// versions seem to need it though. Leaving it costs little.
// This guarantees to send all data (bytes) or return an error.
const ssize_t n = this->send_message_shared (stub,
message_semantics,
stream.begin (),
max_wait_time);
if (n == -1)
{
if (TAO_debug_level)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TAO: (%P|%t|%N|%l) closing transport %d after fault %p\n"),
this->id (),
ACE_TEXT ("send_message ()\n")));
return -1;
}
return 1;
}
int
TAO_UIOP_Transport::messaging_init (CORBA::Octet major,
CORBA::Octet minor)
{
this->messaging_object_->init (major, minor);
return 1;
}
TAO_END_VERSIONED_NAMESPACE_DECL
#endif /* TAO_HAS_UIOP */
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