SoDaBase.hxx

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/*
Copyright (c) 2012,2013,2014,2025, 2026 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,
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#pragma once
 
#include "Command.hxx"
#include "Debug.hxx"
#include <complex>
#include <string>
#include <sys/types.h>
#include <unistd.h>
#include <sys/syscall.h>
 
#include <SoDa/Format.hxx>
#include <SoDa/MailBox.hxx>
 
extern "C" {
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
}

 
 
namespace SoDa {
  class FBuf;
  typedef std::shared_ptr<FBuf> FBufPtr; 
  
  class CBuf;
  typedef std::shared_ptr<CBuf> CBufPtr; 
   
  enum RXTX { RX, // the command/query/response relates to a receiver
          TX, // the command/query/response relates to a transmitter
          TXRX // the command/query/response relates to a transmitter and receiver
  };
  

  typedef SoDa::MailBox<CommandPtr> CmdMBox;
  typedef std::shared_ptr<CmdMBox> CmdMBoxPtr;
   
  typedef SoDa::MailBox<FBufPtr> FDatMBox;
  typedef std::shared_ptr<FDatMBox> FDatMBoxPtr;

  typedef SoDa::MailBox<CBufPtr> CDatMBox;
  typedef std::shared_ptr<CDatMBox> CDatMBoxPtr;
  
  class Base;
  typedef std::shared_ptr<Base> BasePtr;
  
  class Base {
  public:
    Base(const std::string & oname);
 
    void registerSelf(BasePtr ptr);
    
    std::string & getObjName() { return objname; }

    BasePtr findSoDaObject(const std::string & oname); 

    double getTime(); 

    BasePtr getSelfPtr() { return self.lock(); }
    
  private:
    std::string objname; 
    std::weak_ptr<Base> self;
    
    static bool first_time; 
    static double base_first_time; 
 
    static std::map<std::string, BasePtr > object_directory; 
  };
 
  namespace SDR {
    class Exception { 
    public:
      Exception(const std::string & _reason, BasePtr obj = NULL) 
      {
    thrower = obj;
    reason = _reason; 
      }

      Exception(const char * _reason, BasePtr obj) {
    thrower = obj;
    reason = std::string(_reason); 
      }

      Exception(const SoDa::Format & _reason, BasePtr obj) {
    thrower = obj;
    reason = _reason.str(); 
      }

      const std::string & toString() {
    if(thrower != NULL) {
      message = SoDa::Format("SoDa Object [%0] threw exception [%1]\n")
        .addS(thrower->getObjName())
        .addS(reason)
        .str();
    }
    else {
      message = SoDa::Format("Unknown SoDa Object threw exception [%0]\n")
        .addS(reason)
        .str();
    }
 
    return message;
      }

      const char * what() {
    toString();
    return message.c_str();
      }
    private:
      BasePtr thrower; 
      std::string reason; 
 
      std::string message; 
    };
    
    
  }

  template<typename BaseT> class Buf {
  protected:
    Buf(unsigned int size) {
      buf.resize(size);
    };
 
  public:
 
    unsigned int size() { return buf.size(); }
      
    bool copy(const std::shared_ptr<Buf<BaseT>> & src) {
      buf = src->buf;
      return true; 
    }
    
    bool setSize(size_t size) {
      buf.resize(size);
      return true;
    }
    
    std::vector<BaseT> & getBuf() {
      return buf; 
    }
 
    BaseT & operator[](size_t index) {
      if(index < buf.size()) {
    return buf[index];
      }
      else {
    throw SDR::Exception(SoDa::Format("Buffer index %0 is out of range (>= %1)")
                 .addI(index).addI(buf.size()).str());
      }
    }
    
  protected:
    std::vector<BaseT> buf; 
  };
 
  class FBuf : public Buf<float> {
  public:
    FBuf(unsigned int size);
 
    static FBufPtr make(unsigned int _size);    
  }; 
 
 
  class CBuf : public Buf<std::complex<float>> {
  public:
    CBuf(unsigned int size);
 
    static CBufPtr make(unsigned int _size);        
  }; 
  
}