staterecordmessage.cxx

SIP（Session Initiation Protocol）是由IETF定义

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static const char* const StateRecordMessage_cpp_Version = 
"$Id: StateRecordMessage.cxx,v 1.4 2002/12/27 23:05:10 dwildes Exp $";
#include <sys/stat.h>
#include <unistd.h>

#include "StateRecordMessage.h"

StateRecordMessage::StateRecordMessage (string Name):StateVM (Name)
{
}

StateRecordMessage::~StateRecordMessage ()
{
    cpLog(LOG_DEBUG,"~StateRecordMessage");
}

/** State setup */
int
StateRecordMessage::Process (VmSession * session)
{
  setSession(session);		/** Save session pointer */
  m_xEventSources.push_back (&m_xRecordTimer);	/** Add timer event source */

  /** Set maximum message length in msec. */
  m_xRecordTimer.set (session->getCfg ()->m_iMaxRecordTime, 0);

  /** Start recording timer */
  m_xRecordTimer.start ();

  /** Create a temporary filename */
  string tempTpl = "VoiceMessage.XXXXXX";
  m_xRecorderFileName = session->CreateTemp (tempTpl.c_str ());

  /** Record to File m_xRecorderFileName */
  session->getLine ()->getVmcp ()->recordFile (m_xRecorderFileName.c_str());
  /** Start Recorder */
  if (!session->getLine ()->getVmcp ()->startRecord ())
  {
    return StateEndOfSession;
  }
  return StateVM::Process (session);	/** Process State */
}

/** Process messages from LineVMCP */
int
StateRecordMessage::ProcessLine (pEvent evt)
{
  switch (evt->getType ())
  {
	/** Connection closed by peer */
      case eventVmcpClose:
	cpLog (LOG_DEBUG, "Recording stopped by close.");
	/** Send a message */
	SendMessage ();
	return StateEndOfSession;
      default:			/** Continue loop */
	return StateVM::ProcessLine (evt);
  }
}

/** Process events from Recorder */
int
StateRecordMessage::ProcessRecorder (pEvent evt)
{
  switch (evt->getType ())
  {
	/** Record Completed. Send a message and exit. */
      case eventVmcpRecordCompleted:
	cpLog (LOG_DEBUG, "Recording stopped by event.");
	SendMessage ();
	return StateReturn;

      default:
	return StateVM::ProcessRecorder (evt);
  }
}

/** Process events from Timers */
int
StateRecordMessage::ProcessTimer (pEvent evt)
{
  cpLog (LOG_DEBUG, "Recording stopped by timer.");
  getSession()->getLine ()->getVmcp ()->stopRecord ();	/** Stop recorder */
  SendMessage ();		/** Send a message and exit */
  return StateReturn;
}

/** Process DTMF */
int
StateRecordMessage::ProcessDTMF (pEvent evt)
{
  // cpLog (LOG_DEBUG, "Recording stopped by DTMF.");
  // getSession()->getLine ()->getVmcp ()->stopRecord ();	/** Stop recorder */
  // SendMessage ();		/** Send a message and exit */
  // return StateReturn;

  // do nothing
  return StateStay;
}

/** Encode an send a message */
void
StateRecordMessage::SendMessage ()
{

  /** Get the size of recorded message */
  struct stat stat_p;
  ::stat (m_xRecorderFileName.c_str (), &stat_p);

  /** More the 3 seconds ? !!! TODO: codecs, user configurable length */
  if (stat_p.st_size < 24000)
  {
      cpLog(LOG_DEBUG, "filename: %s", m_xRecorderFileName.c_str ());
    cpLog (LOG_INFO, "Message is less than 3 seconds. Ignored");
    return;
  }

  cpLog (LOG_DEBUG, "Sending message %s to %s from %s",
	 m_xRecorderFileName.c_str (),
	 ((VmSession *)getSession())->getUserCfg ()->m_xSendTo.c_str (),
	 ((VmSession *)getSession())->getLine ()->getVmcp ()->getSessionInfo ().CallerId.c_str ());

  string commandLine = ((VmSession *)getSession())->getCfg()->m_xSendMsgScript + " "  +
    m_xRecorderFileName + " " +
    ((VmSession *)getSession())->getUserCfg ()->m_xSendTo.c_str () + " " +
    ((VmSession *)getSession())->getLine ()->getVmcp ()->getSessionInfo ().CallerId;
  ;
  system (commandLine.c_str ());
}