src/noarch/SenderDest_impl.h (7eaa394) - Blinker · BlinkenArea

SenderDest_impl.h

/* Blinker
   Copyright 2011 Stefan Schuermans <stefan@blinkenarea.org>
   Copyleft GNU public license - http://www.gnu.org/copyleft/gpl.html
   a blinkenarea.org project */

#ifndef SENDERDEST_IMPL_H
#define SENDERDEST_IMPL_H

#include <string>

#include "Directory.h"
#include "File.h"
#include "Module.h"
#include "Sender.h"
#include "SenderDest.h"
#include "SettingFile.h"

namespace Blinker {

/**
 * @brief constructor
 * @param[in] sender owning sender object
 * @param[in] dirBase base directory
 * @param[in] pNoFrameData protocol data for "no frame" packet
 *                         (empty if unknown)
 */
template<typename ADDR, typename SOCK>
Sender<ADDR, SOCK>::Dest::Dest(Sender &sender, const Directory &dirBase,
                               const std::string *pNoFrameData):
  m_sender(sender),
  m_fileAddr(dirBase.getFile("addr")),
  m_haveAddr(false),
  m_pNoFrameData(pNoFrameData),
  m_pData(pNoFrameData)
{
  // set up
  getAddr();
}

/// destructor
template<typename ADDR, typename SOCK>
Sender<ADDR, SOCK>::Dest::~Dest()
{
  // send "no frame" protocol data to old address
  send(m_pNoFrameData);
}

/// check for update of configuration
template<typename ADDR, typename SOCK>
void Sender<ADDR, SOCK>::Dest::updateConfig()
{
  // address file was modified -> re-get address
  if (m_fileAddr.checkModified())
    getAddr();
}

/**
 * @brief set current protocol data
 * @param[in] pData protocol data to send to address (empty if unknown)
 */
template<typename ADDR, typename SOCK>
void Sender<ADDR, SOCK>::Dest::setProtoData(const std::string *pData)
{
  // remember new data
  m_pData = pData;

// send new protocol data to current address
  send(m_pData);
}

/// (re-)get address
template<typename ADDR, typename SOCK>
void Sender<ADDR, SOCK>::Dest::getAddr()
{
  std::string strAddr;

// send "no frame" protocol data to old address
  send(m_pNoFrameData);

// parse new address from file
  m_haveAddr = m_fileAddr.getStr(strAddr) && m_addr.fromStr(strAddr);

// send current protocol data to new address
  send(m_pData);
}

/**
 * @brief send protocol data to address
 * @param[in] pData protocol data to send to address (empty if unknown)
 */
template<typename ADDR, typename SOCK>
void Sender<ADDR, SOCK>::Dest::send(const std::string *pData)
{
  if (m_sender.m_pSock && m_haveAddr && !pData->empty())
    m_sender.m_pSock->send(*pData, m_addr);
}

} // namespace Blinker

#endif // #ifndef SENDERDEST_IMPL_H

Blinker

simplified sender module a lot, support only one protocol per instance