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/*
* $Id$
*
* A RecordingDevice that listens to a socket and collects text.
*/
#include "MessageInfo.h"
#include "RecordingDevice.h"
#include "RecordingDevice_Text.h"
#include "Util.h"
TextListenerAcceptor::TextListenerAcceptor (void)
: ACE_Event_Handler(), RecordingDevice()
{ }
// ACE_Event_Handler interface
int TextListenerAcceptor::open (ACE_INET_Addr &addr)
{
if (this->acceptor_.open (addr, 1) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("acceptor open")),
-1);
return 0;
}
ACE_HANDLE TextListenerAcceptor::get_handle (void) const
{
return this->acceptor_.get_handle ();
}
int TextListenerAcceptor::handle_input (ACE_HANDLE)
{
ACE_DEBUG ((LM_INFO,
ACE_TEXT ("TextListenerAcceptor - connection request\n" )));
return 0;
}
int TextListenerAcceptor::accept (ACE_SOCK_Stream &peer)
{
return this->acceptor_.accept (peer);
}
// RecordingDevice interface
// Open a listening socket on the port specified by argv.
int TextListenerAcceptor::init (int argc, ACE_TCHAR *argv[])
{
ACE_UNUSED_ARG(argc);
ACE_INET_Addr addr (argv[1]);
if (this->open (addr) < 0)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("TextListener - open")),
-1);
return 0;
}
ACE_Event_Handler *TextListenerAcceptor::get_handler (void) const
{
return (ACE_Event_Handler *)this;
}
RecordingDevice *TextListenerAcceptor::wait_for_activity (void)
{
this->RecordingDevice::wait_for_activity ();
return new TextListener (this);
}
int TextListenerAcceptor::answer_call (void)
{
return -1;
}
CallerId *TextListenerAcceptor::retrieve_callerId (void)
{
return 0;
}
int TextListenerAcceptor::play_message (ACE_FILE_Addr &addr)
{
ACE_UNUSED_ARG(addr);
return 0;
}
MessageType *TextListenerAcceptor::record_message (ACE_FILE_Addr &addr)
{
ACE_UNUSED_ARG(addr);
return 0;
}
// Listing 01 code/ch18
TextListener::TextListener (TextListenerAcceptor *acceptor)
: acceptor_(acceptor)
{
ACE_TRACE (ACE_TEXT ("TextListener ctor"));
ACE_NEW (this->command_stream_, CommandStream (&(this->peer_)));
this->command_stream_->open (0);
}
// Listing 01
const ACE_TCHAR *TextListener::get_name (void) const
{
return ACE_TEXT ("TextListener");
}
// Listing 02 code/ch18
int TextListener::answer_call (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TextListener::answer_call()\n")));
Command *c = new Command ();
c->command_ = Command::CMD_ANSWER_CALL;
c->extra_data_ = this->acceptor_;
c = this->command_stream_->execute (c);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TextListener::answer_call() ")
ACE_TEXT ("result is %d\n"),
c->numeric_result_));
return c->numeric_result_;
}
// Listing 02
// Listing 03 code/ch18
CallerId *TextListener::retrieve_callerId (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("TextListener::retrieve_callerId()\n")));
Command *c = new Command ();
c->command_ = Command::CMD_RETRIEVE_CALLER_ID;
c = this->command_stream_->execute (c);
CallerId *caller_id = new CallerId (c->result_);
return caller_id;
}
// Listing 03
// Listing 04 code/ch18
int TextListener::play_message (ACE_FILE_Addr &addr)
{
MessageType *type = Util::identify_message (addr);
if (type->is_text ())
{
Command *c = new Command ();
c->command_ = Command::CMD_PLAY_MESSAGE;
c->extra_data_ = &addr;
c = this->command_stream_->execute (c);
return c->numeric_result_;
}
ACE_FILE_Addr temp ("/tmp/outgoing_message.text");
ACE_FILE_IO *file;
if (type->is_audio ())
file = Util::audio_to_text (addr, temp);
else if (type->is_video ())
file = Util::video_to_text (addr, temp);
else
ACE_ERROR_RETURN ((LM_ERROR, ACE_TEXT ("Invalid message type %d\n"),
type->get_codec ()),
-1);
int rval = this->play_message (temp);
file->remove ();
return rval;
}
// Listing 04
// Listing 05 code/ch18
MessageType *TextListener::record_message (ACE_FILE_Addr &addr)
{
Command *c = new Command ();
c->command_ = Command::CMD_RECORD_MESSAGE;
c->extra_data_ = &addr;
c = this->command_stream_->execute (c);
if (c->numeric_result_ == -1)
{
return 0;
}
return new MessageType (MessageType::RAWTEXT, addr);
}
// Listing 05
// Listing 06 code/ch18
void TextListener::release (void)
{
delete this;
}
// Listing 06
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