SoDaServer.cxx

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/*
  Copyright (c) 2012,2013,2014,2015,2016,2017 Matthew H. Reilly (kb1vc)
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:

  Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.
  Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in
  the documentation and/or other materials provided with the
  distribution.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

// #include <uhd/usrp/multi_usrp.hpp>
#include <unistd.h>
#include <stdio.h>
#include <sys/time.h>
#include <sys/resource.h>

#include <fstream>

#include "SoDaBase.hxx"
#include "MultiMBox.hxx"

#include "ProcInfo.hxx"

// the radio parts. 
#include "Params.hxx" 
// For USRP devices
#if HAVE_UHD
#  include "USRPCtrl.hxx"
#  include "USRPRX.hxx"
#  include "USRPTX.hxx"
#endif

#include "BaseBandRX.hxx"
#include "BaseBandTX.hxx"
#include "CWTX.hxx"
#include "UI.hxx"
#include "GPSmon.hxx"
#include "AudioPA.hxx"
#include "AudioALSA.hxx"
#include "Command.hxx"
#include "Debug.hxx"

void createLockFile(const std::string & lock_file_name)
{
  std::ofstream lfile; 
  lfile.open(lock_file_name.c_str());
  lfile << "If this file exists, there is likely an active SoDaServer process somewhere on this machine.\n";
  lfile.close();
}

void deleteLockFile(const std::string & lock_file_name)
{
  remove(lock_file_name.c_str());
}

int doWork(SoDa::Params & params)
{
  SoDa::Debug d(params.getDebugLevel(), "SoDaServer");
  d.setDefaultLevel(params.getDebugLevel());
  
  // These are the mailboxes that connect
  // the various widgets
  // the rx and tx streams are vectors of complex floats.
  // we don't declare the extent here, as it will be set
  // by a negotiation.  
  SoDa::DatMBox rx_stream, tx_stream, if_stream, cw_env_stream;
  SoDa::CmdMBox cmd_stream(false);
  // create a separate gps stream to avoid "leaks" and latency problems... 
  SoDa::CmdMBox gps_stream(false);
  SoDa::CmdMBox cwtxt_stream(false);

  SoDa::SoDaThread * ctrl;
  SoDa::SoDaThread * rx;
  SoDa::SoDaThread * tx;

  if(params.isRadioType("USRP")) {
#if HAVE_UHD    
    ctrl = new SoDa::USRPCtrl(&params, &cmd_stream);
    rx = new SoDa::USRPRX(&params, ((SoDa::USRPCtrl *)ctrl)->getUSRP(), &rx_stream, &if_stream, &cmd_stream); 
    tx = new SoDa::USRPTX(&params, ((SoDa::USRPCtrl *)ctrl)->getUSRP(), &tx_stream, &cw_env_stream, &cmd_stream);
#else    
    std::cerr << "lib UHD support not included in this build.\n^C to exit.\n";
    exit(-1);
#endif    
  }
  else {
    std::cerr << boost::format("Radio type [%s] is not yet supported\nHit ^C to exit.\n") % params.getRadioType(); 
    exit(-1);
  }
  

  SoDa::AudioALSA audio_ifc(params.getAudioSampleRate(),
                SoDa::AudioIfc::FLOAT,
                params.getAFBufferSize(),
                params.getAudioPortName()); 
  SoDa::BaseBandRX bbrx(&params, &rx_stream, &cmd_stream, &audio_ifc);
  SoDa::BaseBandTX bbtx(&params, &tx_stream, &cmd_stream, &audio_ifc);

  SoDa::CWTX cwtx(&params, &cwtxt_stream, &cw_env_stream, &cmd_stream); 
  
  SoDa::UI ui(&params, &cwtxt_stream, &rx_stream, &if_stream, &cmd_stream, &gps_stream);

#if HAVE_GPSLIB    
  SoDa::GPSmon gps(&params, &gps_stream); 
#endif
  
  d.debugMsg("Created units.");
  
  // Now start each of the activities -- they may or may not
  // implement the "start" method -- not all objects need to be threads.

  d.debugMsg("Starting UI");
  // start the UI -- configure stuff and all that. 
  ui.start();
  d.debugMsg("Starting radio units");
  // start command consumers first.
  ctrl->start();
  rx->start();
  tx->start();
  bbrx.start();
  bbtx.start();
  cwtx.start();

  // now the gps...
#if HAVE_GPSLIB  
  d.debugMsg("Starting gps");
  gps.start();
#endif

  if(params.reportMemInfo()) {
    kb1vc::ProcInfo pi(params.getReportFileName(), "SoDaServer");

    // wait for the user interface to tell us that it is time to quit.
    // do this in a loop so that we can check on VM status. 
    int watchdog_count = 0; 
    pi.reportInfo();
    while(!ui.waitForJoin(1000)) {
      watchdog_count++; 
      // do this check every 10 seconds
      if(watchdog_count > 10) {
    pi.reportInfo(true);
    watchdog_count = 0; 
      }
    }
  }
  else {
    ui.join();
  }
  
  ctrl->join();
  rx->join();
  tx->join();
  bbrx.join();
  bbtx.join();
  cwtx.join();
#if HAVE_GPSLIB    
  gps.join();
#endif  
  d.debugMsg("Exit");
  
  // when we get here, we are done... (UI should not return until it gets an "exit/quit" command.)

  return 0; 
}

int main(int argc, char * argv[])
{
  SoDa::Params params(argc, argv);

  createLockFile(params.getLockFileName()); 

  try {
    doWork(params); 
  }
  catch (SoDa::SoDaException * exc) {
    std::cerr << "Exception caught at SoDa main: " << std::endl;
    std::cerr << "\t" << exc->toString() << std::endl; 
  }

  deleteLockFile(params.getLockFileName());   
}