Hello everybody,

I am really appreciate the development of the new odb++ API. So I directly started to rewrite the code for the Mu3e DAQ system.

I have a view questions / suggestions which came up during my work so fare:

1. The documentation seems to be quite new so there are some variables wrong named and small typo stuff. I would like to fix them. Should I request for an account or what else is needed to change them?

2. When I create an ODB structure with the new API I do for example:

    midas::odb stream_settings = {
            {"Test_odb_api", {
                                      {"Divider", 1000},     // int
                                      {"Enable", false},     // bool
                              }},
    };
    stream_settings.connect("/Equipment/Test/Settings", true);

and with 

midas::odb datagen("/Equipment/Test/Settings/Test_odb_api");
std::cout << "Datagenerator Enable is " << datagen["Enable"] << std::endl;

I am getting back false. Which looks nice but when I look into the odb via the browser the value is actually "y" meaning true which is stange. I added my frontend where I cleaned all function leaving only the frontend_init() one where I create this key. Its a cuda program but since I clean everything no cuda function is called anymore.

Thank you again for the nice development!

Cheers,
Marius 

//
// Created by makoeppe on 5/28/20.
//

#include <stdio.h>
#include <stdlib.h>

#include <iostream>
#include <unistd.h>

#include "midas.h"
#include "odbxx.h"
#include "msystem.h"
#include "mcstd.h"
#include "experim.h"
#include "switching_constants.h"
#include "link_constants.h"


#include <sstream>
#include <fstream>

#include "mudaq_device.h"
#include "mfe.h"

using namespace std;


/*-- Globals -------------------------------------------------------*/

/* The frontend name (client name) as seen by other MIDAS clients   */
const char *frontend_name = "ODB API test Frontend";

/* The frontend file name, don't change it */
const char *frontend_file_name = __FILE__;

/* frontend_loop is called periodically if this variable is TRUE    */
BOOL frontend_call_loop = FALSE;

/* a frontend status page is displayed with this frequency in ms */
INT display_period = 0;

/* maximum event size produced by this frontend */
INT max_event_size = 10000;

/* maximum event size for fragmented events (EQ_FRAGMENTED) */
INT max_event_size_frag = 5 * 1024 * 1024;

/* buffer size to hold events */
INT event_buffer_size = 32 * max_event_size;


/*-- Function declarations -----------------------------------------*/

INT frontend_init();
INT frontend_exit();
INT begin_of_run(INT run_number, char *error);
INT end_of_run(INT run_number, char *error);
INT pause_run(INT run_number, char *error);
INT resume_run(INT run_number, char *error);
INT frontend_loop();

INT read_stream_event(char *pevent, INT off);
INT read_stream_thread(void *param);

INT poll_event(INT source, INT count, BOOL test);
INT interrupt_configure(INT cmd, INT source, POINTER_T adr);

/*-- Equipment list ------------------------------------------------*/

EQUIPMENT equipment[] = {

        {"Test",                /* equipment name */
                {1, 0,                   /* event ID, trigger mask */
                        "SYSTEM",               /* event buffer */
                        EQ_USER,                /* equipment type */
                        0,                      /* event source crate 0, all stations */
                        "MIDAS",                /* format */
                        TRUE,                   /* enabled */
                        RO_RUNNING,             /* read only when running */
                        100,                    /* poll for 100ms */
                        0,                      /* stop run after this event limit */
                        0,                      /* number of sub events */
                        0,                      /* don't log history */
                        "", "", "",},
                NULL,                    /* readout routine */
        },

        {""}
};

/*-- Frontend Init -------------------------------------------------*/

INT frontend_init()
{

    midas::odb stream_settings = {
            {"Test_odb_api", {
                                      {"Divider", 1000},     // int
                                      {"Enable", false},     // bool
                              }},
    };
    stream_settings.connect("/Equipment/Test/Settings", true);
    midas::odb datagen("/Equipment/Test/Settings/Test_odb_api");
    std::cout << "Datagenerator Enable is " << datagen["Enable"] << std::endl;
    return SUCCESS;
}

/*-- Frontend Exit -------------------------------------------------*/

INT frontend_exit()
{
    return SUCCESS;
}

/*-- Begin of Run --------------------------------------------------*/

INT begin_of_run(INT run_number, char *error)
{
    return SUCCESS;
}

/*-- End of Run ----------------------------------------------------*/

INT end_of_run(INT run_number, char *error)
{
    return SUCCESS;
}

/*-- Pause Run -----------------------------------------------------*/

INT pause_run(INT run_number, char *error)
{
    return SUCCESS;
}

/*-- Resume Run ----------------------------------------------------*/

INT resume_run(INT run_number, char *error)
{
    return SUCCESS;
}

/*-- Frontend Loop -------------------------------------------------*/

INT frontend_loop()
{
    return SUCCESS;
}

/*-- Trigger event routines ----------------------------------------*/

INT poll_event(INT source, INT count, BOOL test)
{
      return 0;
}

/*-- Interrupt configuration ---------------------------------------*/

INT interrupt_configure(INT cmd, INT source, POINTER_T adr)
{
    return SUCCESS;
}

/*-- Event readout -------------------------------------------------*/

INT read_stream_event(char *pevent, INT off)
{
    return 0;
}

INT update_equipment_status(int status, int cur_status, EQUIPMENT *eq)
{
   return DB_SUCCESS;
}

/*-- Event readout -------------------------------------------------*/

INT read_stream_thread(void *param)
{
    return 0;
}