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#include "receiver.h"
#include "ace/Get_Opt.h"
#include "ace/High_Res_Timer.h"
int endstream = 0;
// Create a singleton instance of the Sender.
// An Unmanaged_Singleton is used to avoid static object destruction
// order related problems since the underlying singleton object
// contains references to static TypeCodes.
typedef ACE_Unmanaged_Singleton<Receiver,ACE_Null_Mutex> RECEIVER;
int
Receiver_StreamEndPoint::get_callback (const char *flow_name,
TAO_AV_Callback *&callback)
{
Receiver_Callback *callback_;
ACE_NEW_RETURN (callback_,
Receiver_Callback,
-1);
// Return the receiver application callback to the AVStreams for
// future upcalls.
callback = callback_;
callback_->flowname (flow_name);
return 0;
}
int
Receiver_StreamEndPoint::set_protocol_object (const char * flowname,
TAO_AV_Protocol_Object *object)
{
// Set the sender protocol object corresponding to the transport
// protocol selected.
if (ACE_OS::strcmp (flowname, "Data_Receiver1") == 0)
RECEIVER::instance ()->protocol_object (object);
return 0;
}
Receiver_Callback::Receiver_Callback (void)
: frame_count_ (1),
mb_ (BUFSIZ)
{
ACE_DEBUG ((LM_DEBUG,
"Receiver_Callback::Receiver_Callback\n"));
}
void
Receiver_Callback::flowname (const char* flow_name)
{
this->flowname_ = flow_name;
// Make sure we have a valid <output_file>
this->output_file_ = ACE_OS::fopen (this->flowname_.c_str (),
"w");
if (this->output_file_ == 0)
ACE_ERROR ((LM_DEBUG,
"Cannot open output file %C\n",
this->flowname_.c_str ()));
else
ACE_DEBUG ((LM_DEBUG,
"%C File Opened Successfully\n",
this->flowname_.c_str ()));
}
int
Receiver_Callback::receive_frame (ACE_Message_Block *frame,
TAO_AV_frame_info *,
const ACE_Addr &)
{
//
// Upcall from the AVStreams when there is data to be received from
// the sender.
//
ACE_DEBUG ((LM_DEBUG,
"Receiver_Callback::receive_frame for frame %d for flow %C\n",
this->frame_count_++,
this->flowname_.c_str ()));
while (frame != 0)
{
// Write the received data to the file.
size_t result =
ACE_OS::fwrite (frame->rd_ptr (),
frame->length (),
1,
this->output_file_);
if (result == frame->length ())
ACE_ERROR_RETURN ((LM_ERROR,
"Receiver_Callback::fwrite failed\n"),
-1);
frame = frame->cont ();
}
return 0;
}
int
Receiver_Callback::handle_destroy (void)
{
// Called when the distributer requests the stream to be shutdown.
ACE_DEBUG ((LM_DEBUG,
"Receiver_Callback::handle_destroy\n"));
endstream++;
return 0;
}
Receiver::Receiver (void)
: mmdevice_ (0),
frame_rate_ (30),
frame_count_ (0),
filename_ ("input"),
mb_ (BUFSIZ)
{
}
Receiver::~Receiver (void)
{
}
void
Receiver::protocol_object (TAO_AV_Protocol_Object *object)
{
// Set the sender protocol object corresponding to the transport
// protocol selected.
this->protocol_object_ = object;
}
int
Receiver::parse_args (int argc,
ACE_TCHAR *argv[])
{
// Parse command line arguments
ACE_Get_Opt opts (argc, argv, ACE_TEXT("f:r:d"));
int c;
while ((c= opts ()) != -1)
{
switch (c)
{
case 'f':
this->filename_ = ACE_TEXT_ALWAYS_CHAR (opts.opt_arg ());
break;
case 'r':
this->frame_rate_ = ACE_OS::atoi (opts.opt_arg ());
break;
case 'd':
TAO_debug_level++;
break;
default:
ACE_DEBUG ((LM_DEBUG, "Unknown Option\n"));
return -1;
}
}
return 0;
}
int
Receiver::init (int argc,
ACE_TCHAR *argv[])
{
// Initialize the endpoint strategy with the orb and poa.
int result =
this->reactive_strategy_.init (TAO_AV_CORE::instance ()->orb (),
TAO_AV_CORE::instance ()->poa ());
if (result != 0)
return result;
// Parse the command line arguments
result =
this->parse_args (argc,
argv);
if (result != 0)
return result;
// Register the receiver mmdevice object with the ORB
ACE_NEW_RETURN (this->mmdevice_,
TAO_MMDevice (&this->reactive_strategy_),
-1);
// Servant Reference Counting to manage lifetime
PortableServer::ServantBase_var safe_mmdevice =
this->mmdevice_;
CORBA::Object_var mmdevice =
this->mmdevice_->_this ();
// Register the mmdevice with the naming service.
CosNaming::Name name (1);
name.length (1);
name [0].id =
CORBA::string_dup ("Receiver");
// Initialize the naming services
if (this->naming_client_.init (TAO_AV_CORE::instance ()->orb ()) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to initialize "
"the TAO_Naming_Client\n"),
-1);
// Register the receiver object with the naming server.
this->naming_client_->rebind (name,
mmdevice.in ());
return 0;
}
TAO_AV_Protocol_Object*
Receiver::protocol_object (void)
{
return this->protocol_object_;
}
int
ACE_TMAIN (int argc,
ACE_TCHAR *argv[])
{
try
{
// Initialize the ORB first.
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv);
CORBA::Object_var obj
= orb->resolve_initial_references ("RootPOA");
// Get the POA_var object from Object_var.
PortableServer::POA_var root_poa =
PortableServer::POA::_narrow (obj.in ());
PortableServer::POAManager_var mgr
= root_poa->the_POAManager ();
mgr->activate ();
// Initialize the AVStreams components.
TAO_AV_CORE::instance ()->init (orb.in (),
root_poa.in ());
int result =
RECEIVER::instance ()->init (argc,
argv);
if (result != 0)
return result;
while (endstream != 2)
{
orb->perform_work ();
}
// Hack for now....
ACE_OS::sleep (1);
orb->destroy ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("receiver::init");
return -1;
}
RECEIVER::close (); // Explicitly finalize the Unmanaged_Singleton.
return 0;
}
#if defined (ACE_HAS_EXPLICIT_STATIC_TEMPLATE_MEMBER_INSTANTIATION)
template ACE_Unmanaged_Singleton<Receiver, ACE_Null_Mutex> *ACE_Unmanaged_Singleton<Receiver, ACE_Null_Mutex>::singleton_;
#endif /* ACE_HAS_EXPLICIT_STATIC_TEMPLATE_MEMBER_INSTANTIATION */
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