// quartz1.cpp
//
// A Rivendell switcher driver for the Quartz Type 1 Switcher Protocol
//
//   (C) Copyright 2002-2004,2008,2016-2018 Fred Gleason <fredg@paravelsystems.com>
//
//   This program is free software; you can redistribute it and/or modify
//   it under the terms of the GNU General Public License version 2 as
//   published by the Free Software Foundation.
//
//   This program is distributed in the hope that it will be useful,
//   but WITHOUT ANY WARRANTY; without even the implied warranty of
//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//   GNU General Public License for more details.
//
//   You should have received a copy of the GNU General Public
//   License along with this program; if not, write to the Free Software
//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//

#include <stdlib.h>

#include <qsignalmapper.h>

#include <rdapplication.h>
#include <rddb.h>

#include "globals.h"
#include "quartz1.h"

Quartz1::Quartz1(RDMatrix *matrix,QObject *parent)
  : Switcher(matrix,parent)
{
  RDTty *tty;
  sas_matrix=matrix->matrix();
  sas_ptr[0]=0;
  sas_ptr[1]=0;

  //
  // Get Matrix Parameters
  //
  sas_porttype[0]=matrix->portType(RDMatrix::Primary);
  sas_ipaddress[0]=matrix->ipAddress(RDMatrix::Primary);
  sas_ipport[0]=matrix->ipPort(RDMatrix::Primary);
  sas_port[0]=matrix->port(RDMatrix::Primary);
  sas_porttype[1]=matrix->portType(RDMatrix::Backup);
  sas_ipaddress[1]=matrix->ipAddress(RDMatrix::Backup);
  sas_ipport[1]=matrix->ipPort(RDMatrix::Backup); 
  sas_port[1]=matrix->port(RDMatrix::Backup);
  sas_inputs=matrix->inputs();
  sas_outputs=matrix->outputs();
  sas_layer=matrix->layer();

  //
  // Reconnection Timers
  //
  QSignalMapper *mapper=new QSignalMapper(this,"reconnect_mapper");
  connect(mapper,SIGNAL(mapped(int)),this,SLOT(ipConnect(int)));
  for(int i=0;i<2;i++) {
      sas_reconnect_timer[i]=new QTimer(this,"sas_reconnect_timer");
      mapper->setMapping(sas_reconnect_timer[i],i);
      connect(sas_reconnect_timer[i],SIGNAL(timeout()),mapper,SLOT(map()));
  }

  //
  // Initialize the connections
  //
  QSignalMapper *connected_mapper=new QSignalMapper(this,"connected_mapper");
  connect(connected_mapper,SIGNAL(mapped(int)),this,SLOT(connectedData(int)));
  QSignalMapper *closed_mapper=new QSignalMapper(this,"closed_mapper");
  connect(closed_mapper,SIGNAL(mapped(int)),
	  this,SLOT(connectionClosedData(int)));
  for(int i=0;i<2;i++) {
      switch(sas_porttype[i]) {
	  case RDMatrix::TtyPort:
	      tty=new RDTty(rda->station()->name(),sas_port[i]);
	      sas_device[i]=new RDTTYDevice();
	      if(tty->active()) {
		  sas_device[i]->setName(tty->port());
		  sas_device[i]->setSpeed(tty->baudRate());
		  sas_device[i]->setWordLength(tty->dataBits());
		  sas_device[i]->setParity(tty->parity());
		  sas_device[i]->open(QIODevice::Unbuffered|QIODevice::ReadWrite);
	      }
	      delete tty;
	      
	  case RDMatrix::TcpPort:
	      sas_socket[i]=new Q3Socket(this,"sas_socket");
	      connected_mapper->setMapping(sas_socket[i],i);
	      connect(sas_socket[i],SIGNAL(connected()),
		      connected_mapper,SLOT(map()));
	      closed_mapper->setMapping(sas_socket[i],i);
	      connect(sas_socket[i],SIGNAL(connectionClosed()),
		      closed_mapper,SLOT(map()));
	      switch(i) {
		  case 0:
		      connect(sas_socket[i],SIGNAL(error(int)),
			      this,SLOT(error0Data(int)));
		      break;

		  case 1:
		      connect(sas_socket[i],SIGNAL(error(int)),
			      this,SLOT(error1Data(int)));
		      break;
	      }
	      ipConnect(i);
	      break;
	      
	  case RDMatrix::NoPort:
	      break;
      }
  }
}


RDMatrix::Type Quartz1::type()
{
  return RDMatrix::Quartz1;
}


unsigned Quartz1::gpiQuantity()
{
  return 0;
}


unsigned Quartz1::gpoQuantity()
{
  return 0;
}


bool Quartz1::primaryTtyActive()
{
  return sas_porttype[0]==RDMatrix::TtyPort;
}


bool Quartz1::secondaryTtyActive()
{
  return sas_porttype[1]==RDMatrix::TtyPort;
}


void Quartz1::processCommand(RDMacro *cmd)
{
  char str[9];
  QString label;

  switch(cmd->command()) {
      case RDMacro::FS:
	if((cmd->arg(1).toInt()<1)||(cmd->arg(1).toInt()>32)) {
	  cmd->acknowledge(false);
	  emit rmlEcho(cmd);
	  return;
	}
	sprintf(str,".F%d\x0D",cmd->arg(1).toInt());
	SendCommand(str);
	cmd->acknowledge(true);
	emit rmlEcho(cmd);
	break;

      case RDMacro::ST:
	if((cmd->arg(1).toInt()<1)||(cmd->arg(1).toInt()>sas_inputs)||
	   (cmd->arg(2).toInt()<1)||(cmd->arg(2).toInt()>sas_outputs)) {
	  cmd->acknowledge(false);
	  emit rmlEcho(cmd);
	  return;
	}
	sprintf(str,".S%c%0d,%d\x0D",sas_layer,
		cmd->arg(2).toInt(),cmd->arg(1).toInt());
	SendCommand(str);
	cmd->acknowledge(true);
	emit rmlEcho(cmd);
	break;

      default:
	cmd->acknowledge(false);
	emit rmlEcho(cmd);
	break;
  }
}


void Quartz1::ipConnect(int conn)
{
  sas_socket[conn]->
      connectToHost(sas_ipaddress[conn].toString(),sas_ipport[conn]);
}


void Quartz1::connectedData(int conn)
{
  LogLine(RDConfig::LogInfo,QString().
	  sprintf("Connection to Quartz1 device at %s:%d established",
			    (const char *)sas_ipaddress[conn].toString(),
			    sas_ipport[conn]));
}


void Quartz1::connectionClosedData(int conn)
{
  LogLine(RDConfig::LogNotice,QString().
	  sprintf("Connection to Quartz1 device at %s:%d closed unexpectedly, attempting reconnect",
		  (const char *)sas_ipaddress[conn].toString(),
		  sas_ipport[conn]));
  sas_reconnect_timer[conn]->start(QUARTZ1_RECONNECT_INTERVAL,true);
}


void Quartz1::errorData(int conn,int err)
{
  switch((Q3Socket::Error)err) {
      case Q3Socket::ErrConnectionRefused:
	LogLine(RDConfig::LogNotice,QString().sprintf(
	  "Connection to Quartz1 device at %s:%d refused, attempting reconnect",
				  (const char *)sas_ipaddress[conn].toString(),
				  sas_ipport[conn]));
	sas_reconnect_timer[conn]->start(QUARTZ1_RECONNECT_INTERVAL,true);
	break;

      case Q3Socket::ErrHostNotFound:
	LogLine(RDConfig::LogWarning,QString().sprintf(
	  "Error on connection to Quartz1 device at %s:%d: Host Not Found",
				  (const char *)sas_ipaddress[conn].toString(),
				  sas_ipport[conn]));
	break;

      case Q3Socket::ErrSocketRead:
	LogLine(RDConfig::LogWarning,QString().sprintf(
	  "Error on connection to Quartz1 device at %s:%d: Socket Read Error",
				  (const char *)sas_ipaddress[conn].toString(),
				  sas_ipport[conn]));
	break;
  }
}


void Quartz1::error0Data(int err)
{
    errorData(0,err);
}


void Quartz1::error1Data(int err)
{
    errorData(1,err);
}


void Quartz1::SendCommand(const char *str)
{
  // LogLine(QString().sprintf("SENDING: %s",str));
  for(int i=0;i<2;i++) {
    switch(sas_porttype[i]) {
	case RDMatrix::TtyPort:
	    sas_device[i]->writeBlock(str,strlen(str));
	    break;
      
	case RDMatrix::TcpPort:
	    sas_socket[i]->writeBlock(str,strlen(str));
	    break;

	case RDMatrix::NoPort:
	    break;
    }
  }
}
