mfe.cxx File Reference

#include "mfe.h"
#include "midas.h"
#include "msystem.h"
#include "mstrlcpy.h"
#include <assert.h>
#include <stdio.h>

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Macros
#define	ODB_UPDATE_TIME   1000 /* 1 seconds for ODB update */
#define	DEFAULT_FE_TIMEOUT   10000 /* 10 seconds for watchdog timeout */
#define	MAX_N_THREADS   32 /* maximum number of readout threads */
#define	MFE_ERROR_SIZE   10

Functions
std::atomic< bool >	_stop_all_threads (false)
static int	_readout_thread (void *param)
void	mfe_error_check (void)
static int	send_event (INT idx, BOOL manual_trig)
static int	receive_trigger_event (EQUIPMENT *eq)
static void	send_all_periodic_events (INT transition)
static void	interrupt_routine (void)
void	readout_enable (bool flag)
bool	readout_enabled (void)
void	display (BOOL bInit)
void	rotate_wheel (void)
BOOL	logger_root (void)
static INT	check_polled_events (void)
static INT	check_user_events (void)
static int	flush_user_events (void)
void	set_rate_period (int ms)
int	get_rate_period ()
static INT	tr_start (INT rn, char *error)
static INT	tr_stop (INT rn, char *error)
static INT	tr_pause (INT rn, char *error)
static INT	tr_resume (INT rn, char *error)
INT	manual_trigger (INT, void *prpc_param[])
static void	eq_common_watcher (INT hDB, INT, INT, void *info)
static INT	register_equipment (void)
static INT	initialize_equipment (void)
int	set_equipment_status (const char *name, const char *equipment_status, const char *status_class)
static void	update_odb (const EVENT_HEADER *pevent, HNDLE hKey, INT format)
static std::atomic< bool >	_readout_enabled_flag (false)
int	create_event_rb (int i)
int	get_event_rbh (int i)
void	stop_readout_threads ()
bool	is_readout_thread_enabled ()
int	is_readout_thread_active ()
void	signal_readout_thread_active (int index, int flag)
static int	message_print (const char *msg)
void	display_inline ()
static INT	scheduler ()
INT	get_frontend_index ()
void	mfe_set_error (void(*dispatcher)(const char *))
void	mfe_error (const char *error)
void	mfe_get_args (int *argc, char ***argv)
int	main (int argc, char *argv[])

Variables
INT	rpc_mode = 1
INT	run_state = 0
INT	run_number = 0
DWORD	actual_time = 0
DWORD	actual_millitime = 0
DWORD	rate_period = 0
int	gWriteCacheSize = 0
char	host_name [HOST_NAME_LENGTH]
char	exp_name [NAME_LENGTH]
char	full_frontend_name [256]
INT	max_bytes_per_sec = 0
INT	optimize = 0
INT	fe_stop = 0
BOOL	debug = 0
	debug printouts
DWORD	auto_restart = 0
INT	manual_trigger_event_id = 0
static INT	frontend_index = -1
INT	verbosity_level = 0
BOOL	lockout_readout_thread = TRUE
BOOL	mfe_debug = FALSE
HNDLE	hDB = 0
	main ODB handle
HNDLE	hClient = 0
EQUIPMENT *	interrupt_eq = NULL
EQUIPMENT *	multithread_eq = NULL
EQUIPMENT *	polled_eq = NULL
BOOL	slowcont_eq = FALSE
void *	event_buffer = NULL
void *	frag_buffer = NULL
int *	n_events = NULL
static int	rbh [MAX_N_THREADS]
static volatile int	readout_thread_active [MAX_N_THREADS]
void(*	mfe_error_dispatcher )(const char *) = NULL
char	mfe_error_str [MFE_ERROR_SIZE][256]
int	mfe_error_r
int	mfe_error_w
MUTEX_T *	mfe_mutex = NULL
static int	_argc = 0
static char **	_argv = NULL

Macro Definition Documentation

DEFAULT_FE_TIMEOUT

#define DEFAULT_FE_TIMEOUT   10000 /* 10 seconds for watchdog timeout */

Definition at line 31 of file mfe.cxx.

MAX_N_THREADS

#define MAX_N_THREADS   32 /* maximum number of readout threads */

Definition at line 33 of file mfe.cxx.

MFE_ERROR_SIZE

#define MFE_ERROR_SIZE   10

Definition at line 2376 of file mfe.cxx.

ODB_UPDATE_TIME

#define ODB_UPDATE_TIME   1000 /* 1 seconds for ODB update */

Definition at line 29 of file mfe.cxx.

Function Documentation

_readout_enabled_flag()

static std::atomic< bool > _readout_enabled_flag ( false  )

static

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_readout_thread()

static int _readout_thread ( void *  param )

static

Definition at line 1165 of file mfe.cxx.

                                        {
   int status, source;
   EVENT_HEADER *pevent;
   void *p;
 
   /* indicate activity to framework */
   signal_readout_thread_active(0, 1);
 
   p = param; /* avoid compiler warning */
   while (!_stop_all_threads) {
      /* obtain buffer space */
 
      status = rb_get_wp(get_event_rbh(0), &p, 0);
      if (_stop_all_threads)
         break;
      if (status == DB_TIMEOUT) {
         // printf("readout_thread: Ring buffer is full, waiting for space!\n");
         ss_sleep(10);
         continue;
      }
      if (status != DB_SUCCESS)
         break;
 
      if (readout_enabled()) {
 
         /* check for new event */
         source = poll_event(multithread_eq->info.source, multithread_eq->poll_count, FALSE);
 
         if (source > 0) {
 
            if (_stop_all_threads)
               break;
 
            pevent = (EVENT_HEADER *) p;
            /* put source at beginning of event, will be overwritten by
               user readout code, just a special feature used by some
               multi-source applications */
            *(INT *) (pevent + 1) = source;
 
            /* compose MIDAS event header */
            pevent->event_id = multithread_eq->info.event_id;
            pevent->trigger_mask = multithread_eq->info.trigger_mask;
            pevent->data_size = 0;
            pevent->time_stamp = actual_time;
            pevent->serial_number = multithread_eq->serial_number++;
 
            /* call user readout routine */
            pevent->data_size = multithread_eq->readout((char *) (pevent + 1), 0);
 
            /* check event size */
            if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size) {
               cm_msg(MERROR, "readout_thread",
                      "Event size %ld larger than maximum size %d",
                      (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                      max_event_size);
               assert(FALSE);
            }
 
            if (pevent->data_size > 0) {
               /* put event into ring buffer */
               rb_increment_wp(get_event_rbh(0), sizeof(EVENT_HEADER) + pevent->data_size);
            } else
               multithread_eq->serial_number--;
         }
 
      } else // readout_enabled
         ss_sleep(10);
   }
 
   signal_readout_thread_active(0, 0);
 
   return 0;
}

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_stop_all_threads()

std::atomic< bool > _stop_all_threads

(

false

)

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check_polled_events()

static INT check_polled_events ( void  )

static

Definition at line 1524 of file mfe.cxx.

                                     {
   EQUIPMENT_INFO *eq_info;
   EQUIPMENT *eq;
   EVENT_HEADER *pevent, *pfragment;
   DWORD readout_start, sent, size;
   INT i, idx, source, events_sent, status;
   char *pdata;
   unsigned char *pd;
 
   events_sent = 0;
   actual_millitime = ss_millitime();
 
   /*---- loop over equipment table -------------------------------*/
   for (idx = 0;; idx++) {
      eq = &equipment[idx];
      eq_info = &eq->info;
 
      /* check if end of equipment list */
      if (!eq->name[0])
         break;
 
      if (!eq_info->enabled)
         continue;
 
      if (eq->status != FE_SUCCESS)
         continue;
 
      if ((eq_info->eq_type & EQ_POLLED) == 0)
         continue;
 
      /*---- check polled events ----*/
      readout_start = actual_millitime;
      pevent = NULL;
 
      while ((source = poll_event(eq_info->source, eq->poll_count, FALSE)) > 0) {
 
         if (eq_info->eq_type & EQ_FRAGMENTED)
            pevent = (EVENT_HEADER *) frag_buffer;
         else
            pevent = (EVENT_HEADER *) event_buffer;
 
         /* compose MIDAS event header */
         pevent->event_id = eq_info->event_id;
         pevent->trigger_mask = eq_info->trigger_mask;
         pevent->data_size = 0;
         pevent->time_stamp = actual_time;
         pevent->serial_number = eq->serial_number;
 
         /* put source at beginning of event, will be overwritten by
            user readout code, just a special feature used by some
            multi-source applications */
         *(INT *) (pevent + 1) = source;
 
         if (eq->info.num_subevents) {
            eq->subevent_number = 0;
            do {
               *(INT *) ((char *) (pevent + 1) + pevent->data_size) = source;
 
               /* call user readout routine for subevent indicating offset */
               size = eq->readout((char *) (pevent + 1), pevent->data_size);
               pevent->data_size += size;
               if (size > 0) {
                  if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size) {
                     cm_msg(MERROR, "check_polled_events",
                            "Event size %ld larger than maximum size %d",
                            (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                            max_event_size);
                  }
 
                  eq->subevent_number++;
                  eq->serial_number++;
               }
 
               /* wait for next event */
               do {
                  source = poll_event(eq_info->source, eq->poll_count, FALSE);
 
                  if (source == FALSE) {
                     actual_millitime = ss_millitime();
 
                     /* repeat no more than period */
                     if (actual_millitime - readout_start > (DWORD) eq_info->period)
                        break;
                  }
               } while (source == FALSE);
 
            } while (eq->subevent_number < eq->info.num_subevents && source);
 
            /* notify readout routine about end of super-event */
            pevent->data_size = eq->readout((char *) (pevent + 1), -1);
         } else {
            /* call user readout routine indicating event source */
            pevent->data_size = eq->readout((char *) (pevent + 1), 0);
 
            /* check event size */
            if (eq_info->eq_type & EQ_FRAGMENTED) {
               if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size_frag) {
                  cm_msg(MERROR, "check_polled_events",
                         "Event size %ld larger than maximum size %d for frag. ev.",
                         (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                         max_event_size_frag);
                  assert(FALSE);
               }
            } else {
               if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size) {
                  cm_msg(MERROR, "check_polled_events",
                         "Event size %ld larger than maximum size %d",
                         (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                         max_event_size);
                  assert(FALSE);
               }
            }
 
            /* increment serial number if event read out sucessfully */
            if (pevent->data_size)
               eq->serial_number++;
         }
 
         /* send event */
         if (pevent->data_size) {
 
            /* check for fragmented event */
            if (eq_info->eq_type & EQ_FRAGMENTED) {
               /* compose fragments */
               pfragment = (EVENT_HEADER *) event_buffer;
 
               /* compose MIDAS event header */
               memcpy(pfragment, pevent, sizeof(EVENT_HEADER));
               pfragment->event_id |= EVENTID_FRAG1;
 
               /* store total event size */
               pd = (unsigned char *) (pfragment + 1);
               size = pevent->data_size;
               for (i = 0; i < 4; i++) {
                  pd[i] = (unsigned char) (size & 0xFF); /* little endian, please! */
                  size >>= 8;
               }
 
               pfragment->data_size = sizeof(DWORD);
 
               pdata = (char *) (pevent + 1);
 
               for (i = 0, sent = 0; sent < pevent->data_size; i++) {
                  if (i > 0) {
                     pfragment = (EVENT_HEADER *) event_buffer;
 
                     /* compose MIDAS event header */
                     memcpy(pfragment, pevent, sizeof(EVENT_HEADER));
                     pfragment->event_id |= EVENTID_FRAG;
 
                     /* copy portion of event */
                     size = pevent->data_size - sent;
                     if (size > max_event_size - sizeof(EVENT_HEADER))
                        size = max_event_size - sizeof(EVENT_HEADER);
 
                     memcpy(pfragment + 1, pdata, size);
                     pfragment->data_size = size;
                     sent += size;
                     pdata += size;
                  }
 
                  /* send event to buffer */
                  if (equipment[idx].buffer_handle) {
                     status = rpc_send_event(equipment[idx].buffer_handle, pfragment,
                                             pfragment->data_size + sizeof(EVENT_HEADER), BM_WAIT, rpc_mode);
                     if (status != RPC_SUCCESS) {
                        cm_msg(MERROR, "check_polled_events", "rpc_send_event(BM_WAIT) error %d", status);
                        return status;
                     }
 
                     /* flush events from buffer */
                     rpc_flush_event();
                  }
               }
 
            } else { /*-------------------*/
 
               /* send unfragmented event */
 
               /* send first event to ODB if logger writes in root format */
               if (pevent->serial_number == 0)
                  if (logger_root())
                     update_odb(pevent, eq->hkey_variables, eq->format);
 
               status = rpc_send_event(eq->buffer_handle, pevent,
                                       pevent->data_size + sizeof(EVENT_HEADER),
                                       BM_WAIT, rpc_mode);
 
               if (status != SUCCESS) {
                  cm_msg(MERROR, "check_polled_events", "rpc_send_event error %d", status);
                  break;
               }
            }
 
            eq->bytes_sent += pevent->data_size + sizeof(EVENT_HEADER);
 
            if (eq->info.num_subevents) {
               eq->events_sent += eq->subevent_number;
               events_sent += eq->subevent_number;
            } else {
               eq->events_sent++;
               events_sent++;
            }
 
            rotate_wheel();
         }
 
         actual_millitime = ss_millitime();
 
         /* repeat no more than period */
         if (actual_millitime - readout_start > (DWORD) eq_info->period)
            break;
 
         /* quit if event limit is reached */
         if (eq_info->event_limit > 0 && eq->stats.events_sent + eq->events_sent >= eq_info->event_limit)
            break;
      }
   }
 
   return events_sent;
}

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check_user_events()

static INT check_user_events ( void  )

static

Definition at line 1748 of file mfe.cxx.

                                   {
   EQUIPMENT_INFO *eq_info;
   EQUIPMENT *eq;
   DWORD size;
   INT idx, events_sent;
 
   events_sent = 0;
 
   /*---- loop over equipment table -------------------------------*/
   for (idx = 0;; idx++) {
      eq = &equipment[idx];
      eq_info = &eq->info;
 
      /* check if end of equipment list */
      if (!eq->name[0])
         break;
 
      if (!eq_info->enabled)
         continue;
 
      if (eq->status != FE_SUCCESS)
         continue;
 
      if ((eq_info->eq_type & (EQ_INTERRUPT | EQ_MULTITHREAD | EQ_USER)) == 0)
         continue;
 
      do {
         size = receive_trigger_event(eq);
         if (size > 0)
            events_sent++;
      } while (size > 0);
   }
 
   return events_sent;
}

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create_event_rb()

int create_event_rb

(

int

i

)

Definition at line 1129 of file mfe.cxx.

                           {
   int status;
 
   assert(i < MAX_N_THREADS);
   assert(rbh[i] == 0);
   status = rb_create(event_buffer_size, max_event_size, &rbh[i]);
   assert(status == DB_SUCCESS);
   return rbh[i];
}

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display()

void display

(

BOOL

bInit

)

Definition at line 1365 of file mfe.cxx.

                         {
   INT i, status;
   time_t full_time;
   char str[30];
 
   if (bInit) {
      ss_clear_screen();
 
      if (host_name[0])
         strcpy(str, host_name);
      else
         strcpy(str, "<local>");
 
      ss_printf(0, 0, "%s connected to %s. Press \"!\" to exit", full_frontend_name, str);
      ss_printf(0, 1,
                "================================================================================");
      ss_printf(0, 2, "Run status:   %s",
                run_state == STATE_STOPPED ? "Stopped" : run_state == STATE_RUNNING ? "Running"
                                                                                    : "Paused");
      ss_printf(25, 2, "Run number %d   ", run_number);
      ss_printf(0, 3,
                "================================================================================");
      ss_printf(0, 4,
                "Equipment     Status     Events     Events/sec Rate[B/s]  ODB->FE    FE->ODB");
      ss_printf(0, 5,
                "--------------------------------------------------------------------------------");
      for (i = 0; equipment[i].name[0]; i++)
         ss_printf(0, i + 6, "%s", equipment[i].name);
   }
 
   /* display time */
   time(&full_time);
   char ctimebuf[32];
   ctime_r(&full_time, ctimebuf);
   mstrlcpy(str, ctimebuf + 11, sizeof(str));
   str[8] = 0;
   ss_printf(72, 0, "%s", str);
 
   for (i = 0; equipment[i].name[0]; i++) {
      status = equipment[i].status;
 
      if ((status == 0 || status == FE_SUCCESS) && equipment[i].info.enabled)
         ss_printf(14, i + 6, "OK       ");
      else if (!equipment[i].info.enabled)
         ss_printf(14, i + 6, "Disabled ");
      else if (status == FE_ERR_ODB)
         ss_printf(14, i + 6, "ODB Error");
      else if (status == FE_ERR_HW)
         ss_printf(14, i + 6, "HW Error ");
      else if (status == FE_ERR_DISABLED)
         ss_printf(14, i + 6, "Disabled ");
      else if (status == FE_ERR_DRIVER)
         ss_printf(14, i + 6, "Driver err");
      else
         ss_printf(14, i + 6, "Unknown  ");
 
      if (equipment[i].stats.events_sent > 1E9)
         ss_printf(25, i + 6, "%1.3lfG     ", equipment[i].stats.events_sent / 1E9);
      else if (equipment[i].stats.events_sent > 1E6)
         ss_printf(25, i + 6, "%1.3lfM     ", equipment[i].stats.events_sent / 1E6);
      else
         ss_printf(25, i + 6, "%1.0lf      ", equipment[i].stats.events_sent);
 
      if (equipment[i].stats.events_per_sec > 1E6)
         ss_printf(36, i + 6, "%1.3lfM      ", equipment[i].stats.events_per_sec / 1E6);
      else if (equipment[i].stats.events_per_sec > 1E3)
         ss_printf(36, i + 6, "%1.3lfk      ", equipment[i].stats.events_per_sec / 1E3);
      else
         ss_printf(36, i + 6, "%1.1lf      ", equipment[i].stats.events_per_sec);
 
      if (equipment[i].stats.kbytes_per_sec > 1E3)
         ss_printf(47, i + 6, "%1.3lfM      ", equipment[i].stats.kbytes_per_sec / 1E3);
      else if (equipment[i].stats.kbytes_per_sec < 1E3)
         ss_printf(47, i + 6, "%1.1lf      ", equipment[i].stats.kbytes_per_sec * 1E3);
      else
         ss_printf(47, i + 6, "%1.3lfk      ", equipment[i].stats.kbytes_per_sec);
 
      ss_printf(58, i + 6, "%ld       ", equipment[i].odb_in);
      ss_printf(69, i + 6, "%ld       ", equipment[i].odb_out);
   }
 
   /* go to next line */
   ss_printf(0, i + 6, "");
}

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display_inline()

void display_inline

(

)

Definition at line 1452 of file mfe.cxx.

                      {
   INT i;
   time_t full_time;
   char str[30];
 
   /* display time */
   time(&full_time);
   char ctimebuf[32];
   ctime_r(&full_time, ctimebuf);
   mstrlcpy(str, ctimebuf + 11, sizeof(str));
   str[8] = 0;
   printf("%s ", str);
 
   for (i = 0; equipment[i].name[0]; i++) {
      printf(" %s:", equipment[i].name);
 
      if (equipment[i].stats.events_per_sec > 1E6)
         printf("%6.3lfM", equipment[i].stats.events_per_sec / 1E6);
      else if (equipment[i].stats.events_per_sec > 1E3)
         printf("%6.3lfk", equipment[i].stats.events_per_sec / 1E3);
      else
         printf("%6.1lf ", equipment[i].stats.events_per_sec);
   }
 
   /* go to next line */
   printf("\n");
}

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eq_common_watcher()

static void eq_common_watcher ( INT  hDB, INT  , INT  , void *  info  )

static

Definition at line 274 of file mfe.cxx.

                                                             {
   int status;
   assert(info != NULL);
   EQUIPMENT *eq = (EQUIPMENT *) info;
   HNDLE hCommon;
   std::string path;
   path += "/Equipment/";
   path += eq->name;
   path += "/Common";
   status = db_find_key(hDB, 0, path.c_str(), &hCommon);
   if (status != DB_SUCCESS)
      return;
   int size = sizeof(eq->info);
   status = db_get_record1(hDB, hCommon, &eq->info, &size, 0, EQUIPMENT_COMMON_STR);
   if (status != DB_SUCCESS) {
      cm_msg(MINFO, "eq_common_watcher", "db_get_record(%s) status %d", path.c_str(), status);
      return;
   }
}

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flush_user_events()

static int flush_user_events ( void  )

static

Definition at line 1322 of file mfe.cxx.

                               {
   int index, status;
   EVENT_HEADER *pevent;
   void *p;
 
   for (int idx = 0; equipment[idx].name[0]; idx++) {
      EQUIPMENT *eq = &equipment[idx];
 
      if (eq->info.eq_type == EQ_USER) {
         for (index = 0; get_event_rbh(index); index++) {
            do {
               status = rb_get_rp(get_event_rbh(index), &p, 10);
               pevent = (EVENT_HEADER *) p;
               if (status == DB_SUCCESS) {
                  rb_increment_rp(get_event_rbh(index), sizeof(EVENT_HEADER) + pevent->data_size);
               }
            } while (status == DB_SUCCESS);
         }
      }
   }
 
   return FE_SUCCESS;
}

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get_event_rbh()

int get_event_rbh

(

int

i

)

Definition at line 1139 of file mfe.cxx.

                         {
   return rbh[i];
}

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get_frontend_index()

INT get_frontend_index

(

void

)

Definition at line 2368 of file mfe.cxx.

                         {
   return frontend_index;
}

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get_rate_period()

int get_rate_period

(

void

)

Definition at line 97 of file mfe.cxx.

                      {
   return rate_period;
}

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initialize_equipment()

static INT initialize_equipment ( void  )

static

Definition at line 611 of file mfe.cxx.

                                      {
   INT idx, i, j, k, n;
   double count;
   char str[256];
   DWORD start_time, delta_time;
   EQUIPMENT_INFO *eq_info;
   BOOL manual_trig_flag = FALSE;
 
   /* scan EQUIPMENT table from user frontend */
   for (idx = 0; equipment[idx].name[0]; idx++) {
      eq_info = &equipment[idx].info;
 
      /*---- initialize interrupt events -----------------------------*/
 
      if (eq_info->eq_type & EQ_INTERRUPT) {
         /* install interrupt for interrupt events */
 
         for (i = 0; equipment[i].name[0]; i++)
            if (equipment[i].info.eq_type & EQ_POLLED) {
               equipment[idx].status = FE_ERR_DISABLED;
               cm_msg(MINFO, "initialize_equipment",
                      "Interrupt readout cannot be combined with polled readout");
            }
 
         if (equipment[idx].status != FE_ERR_DISABLED) {
            if (eq_info->enabled) {
               interrupt_eq = &equipment[idx];
 
               /* create ring buffer for inter-thread data transfer */
               create_event_rb(0);
 
               /* establish interrupt handler */
               interrupt_configure(CMD_INTERRUPT_ATTACH, idx,
                                   (POINTER_T) interrupt_routine);
            } else {
               equipment[idx].status = FE_ERR_DISABLED;
               cm_msg(MINFO, "initialize_equipment",
                      "Equipment %s disabled in frontend",
                      equipment[idx].name);
            }
         }
      }
 
      /*---- evaluate polling count ----------------------------------*/
 
      if (eq_info->eq_type & (EQ_POLLED | EQ_MULTITHREAD)) {
         if (eq_info->eq_type & EQ_INTERRUPT) {
            if (eq_info->eq_type & EQ_POLLED)
               cm_msg(MERROR, "register_equipment",
                      "Equipment \"%s\" cannot be of type EQ_INTERRUPT and EQ_POLLED at the same time",
                      equipment[idx].name);
            else
               cm_msg(MERROR, "register_equipment",
                      "Equipment \"%s\" cannot be of type EQ_INTERRUPT and EQ_MULTITHREAD at the same time",
                      equipment[idx].name);
            return 0;
         }
 
         if (polled_eq) {
            equipment[idx].status = FE_ERR_DISABLED;
            cm_msg(MINFO, "initialize_equipment",
                   "Defined more than one polled equipment \'%s\' in frontend \'%s\'", equipment[idx].name, frontend_name);
         } else
            polled_eq = &equipment[idx];
 
         if (display_period)
            printf("\nCalibrating");
 
         count = 1;
         do {
            if (display_period)
               printf(".");
 
            start_time = ss_millitime();
 
            poll_event(equipment[idx].info.source, (INT) count, TRUE);
 
            delta_time = ss_millitime() - start_time;
 
            if (count == 1 && delta_time > eq_info->period * 1.2) {
               cm_msg(MERROR, "register_equipment", "Polling routine with count=1 takes %d ms", delta_time);
               ss_sleep(3000);
               break;
            }
 
            if (delta_time > 0)
               count = count * eq_info->period / delta_time;
            else
               count *= 100;
 
            // avoid overflows
            if (count > 2147483647.0) {
               count = 2147483647.0;
               break;
            }
 
         } while (delta_time > eq_info->period * 1.2 || delta_time < eq_info->period * 0.8);
 
         equipment[idx].poll_count = (INT) count;
      }
 
      /*---- initialize multithread events -------------------------*/
 
      if (eq_info->eq_type & EQ_MULTITHREAD) {
         /* install interrupt for interrupt events */
 
         for (i = 0; equipment[i].name[0]; i++)
            if (equipment[i].info.eq_type & EQ_POLLED) {
               equipment[idx].status = FE_ERR_DISABLED;
               cm_msg(MINFO, "initialize_equipment",
                      "Multi-threaded readout cannot be combined with polled readout for equipment \'%s\'", equipment[i].name);
            }
 
         if (equipment[idx].status != FE_ERR_DISABLED) {
            if (eq_info->enabled) {
               if (multithread_eq) {
                  equipment[idx].status = FE_ERR_DISABLED;
                  cm_msg(MINFO, "initialize_equipment",
                         "Defined more than one equipment with multi-threaded readout for equipment \'%s\'", equipment[i].name);
               } else {
                  multithread_eq = &equipment[idx];
 
                  /* create ring buffer for inter-thread data transfer */
                  create_event_rb(0);
 
                  /* create hardware reading thread */
                  readout_enable(FALSE);
                  ss_thread_create(_readout_thread, multithread_eq);
               }
            } else {
               equipment[idx].status = FE_ERR_DISABLED;
               cm_msg(MINFO, "initialize_equipment",
                      "Equipment %s disabled in frontend",
                      equipment[idx].name);
            }
         }
      }
 
      /*---- initialize user events -------------------------------*/
 
      if (eq_info->eq_type & EQ_USER) {
         if (equipment[idx].status != FE_ERR_DISABLED) {
            if (!eq_info->enabled) {
               equipment[idx].status = FE_ERR_DISABLED;
               cm_msg(MINFO, "initialize_equipment",
                      "Equipment %s disabled in frontend",
                      equipment[idx].name);
            }
         }
      }
 
      /*---- initialize slow control equipment ---------------------*/
 
      if (eq_info->eq_type & EQ_SLOW) {
 
         set_equipment_status(equipment[idx].name, "Initializing...", "yellowLight");
 
         if (equipment[idx].driver == nullptr) {
            cm_msg(MERROR, "initialize_equipment", "Found slow control equipment \"%s\" with no device driver list, aborting",
                   equipment[idx].name);
            return FE_ERR_DRIVER;
         }
 
         /* resolve duplicate device names */
         for (i = 0; equipment[idx].driver[i].name[0]; i++) {
            equipment[idx].driver[i].pequipment_name = new std::string(equipment[idx].name);
 
            for (j = i + 1; equipment[idx].driver[j].name[0]; j++)
               if (equal_ustring(equipment[idx].driver[i].name,
                                 equipment[idx].driver[j].name)) {
                  strcpy(str, equipment[idx].driver[i].name);
                  for (k = 0, n = 0; equipment[idx].driver[k].name[0]; k++)
                     if (equal_ustring(str, equipment[idx].driver[k].name)) {
                        //sprintf(equipment[idx].driver[k].name, "%s_%d", str, n++);
                        mstrlcpy(equipment[idx].driver[k].name, str, sizeof(equipment[idx].driver[k].name));
                        mstrlcat(equipment[idx].driver[k].name, "_", sizeof(equipment[idx].driver[k].name));
                        char tmp[256];
                        sprintf(tmp, "%d", n++);
                        mstrlcat(equipment[idx].driver[k].name, tmp, sizeof(equipment[idx].driver[k].name));
                     }
 
                  break;
               }
         }
 
         /* loop over equipment list and call class driver's init method */
         if (eq_info->enabled) {
            equipment[idx].status = equipment[idx].cd(CMD_INIT, &equipment[idx]);
 
            if (equipment[idx].status == FE_SUCCESS)
               strcpy(str, "Ok");
            else if (equipment[idx].status == FE_ERR_HW)
               strcpy(str, "Hardware error");
            else if (equipment[idx].status == FE_ERR_ODB)
               strcpy(str, "ODB error");
            else if (equipment[idx].status == FE_ERR_DRIVER)
               strcpy(str, "Driver error");
            else if (equipment[idx].status == FE_PARTIALLY_DISABLED)
               strcpy(str, "Partially disabled");
            else
               strcpy(str, "Error");
 
            if (equipment[idx].status == FE_SUCCESS)
               set_equipment_status(equipment[idx].name, str, "greenLight");
            else if (equipment[idx].status == FE_PARTIALLY_DISABLED) {
               set_equipment_status(equipment[idx].name, str, "yellowGreenLight");
               cm_msg(MINFO, "initialize_equipment", "Equipment %s partially disabled", equipment[idx].name);
            } else {
               set_equipment_status(equipment[idx].name, str, "redLight");
               cm_msg(MERROR, "initialize_equipment", "Equipment %s disabled because of %s", equipment[idx].name, str);
            }
 
         } else {
            equipment[idx].status = FE_ERR_DISABLED;
            set_equipment_status(equipment[idx].name, "Disabled", "yellowLight");
         }
 
         /* remember that we have slowcontrol equipment (needed later for scheduler) */
         slowcont_eq = TRUE;
 
         /* let user read error messages */
         if (equipment[idx].status != FE_SUCCESS && equipment[idx].status != FE_ERR_DISABLED)
            ss_sleep(3000);
      }
 
      /*---- register callback for manual triggered events -----------*/
      if (eq_info->eq_type & EQ_MANUAL_TRIG) {
         if (!manual_trig_flag)
            cm_register_function(RPC_MANUAL_TRIG, manual_trigger);
 
         manual_trig_flag = TRUE;
      }
   }
 
   /* start threads after all equipment has been initialized */
   for (idx = 0; equipment[idx].name[0]; idx++) {
      eq_info = &equipment[idx].info;
 
      if (eq_info->eq_type & EQ_SLOW) {
         if (equipment[idx].status == FE_SUCCESS || equipment[idx].status == FE_PARTIALLY_DISABLED)
            equipment[idx].cd(CMD_START, &equipment[idx]); /* start threads for this equipment */
      }
   }
 
   if (slowcont_eq)
      cm_msg(MINFO, "initialize_equipment", "Slow control equipment initialized");
 
   return SUCCESS;
}

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interrupt_routine()

static void interrupt_routine ( void  )

static

Definition at line 1092 of file mfe.cxx.

                                    {
   int status;
   EVENT_HEADER *pevent;
   void *p;
 
   /* get pointer for upcoming event.
      This is a blocking call if no space available */
   status = rb_get_wp(get_event_rbh(0), &p, 100000);
 
   if (status == DB_SUCCESS) {
      pevent = (EVENT_HEADER *) p;
 
      /* compose MIDAS event header */
      pevent->event_id = interrupt_eq->info.event_id;
      pevent->trigger_mask = interrupt_eq->info.trigger_mask;
      pevent->data_size = 0;
      pevent->time_stamp = actual_time;
      pevent->serial_number = interrupt_eq->serial_number++;
 
      /* call user readout routine */
      pevent->data_size = interrupt_eq->readout((char *) (pevent + 1), 0);
 
      /* send event */
      if (pevent->data_size) {
 
         /* put event into ring buffer */
         rb_increment_wp(get_event_rbh(0), sizeof(EVENT_HEADER) + pevent->data_size);
 
      } else
         interrupt_eq->serial_number--;
   }
}

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is_readout_thread_active()

int is_readout_thread_active

(

void

)

Definition at line 1151 of file mfe.cxx.

                               {
   int i;
   for (i = 0; i < MAX_N_THREADS; i++)
      if (readout_thread_active[i])
         return TRUE;
   return FALSE;
}

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is_readout_thread_enabled()

bool is_readout_thread_enabled

(

void

)

Definition at line 1147 of file mfe.cxx.

                                 {
   return !_stop_all_threads;
}

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logger_root()

BOOL logger_root

(

void

)

Definition at line 1497 of file mfe.cxx.

{
   int size, i, status;
   char str[80];
   HNDLE hKeyRoot, hKey;
 
   if (db_find_key(hDB, 0, "/Logger/Channels", &hKeyRoot) == DB_SUCCESS) {
      for (i = 0;; i++) {
         status = db_enum_key(hDB, hKeyRoot, i, &hKey);
         if (status == DB_NO_MORE_SUBKEYS)
            break;
 
         strcpy(str, "MIDAS");
         size = sizeof(str);
         db_get_value(hDB, hKey, "Settings/Format", str, &size, TID_STRING, TRUE);
 
         if (equal_ustring(str, "ROOT"))
            return TRUE;
      }
   }
 
   return FALSE;
}

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main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 2441 of file mfe.cxx.

{
   INT status, i, j;
   INT daemon_flag;
 
   host_name[0] = 0;
   exp_name[0] = 0;
   daemon_flag = 0;
 
   setbuf(stdout, 0);
   setbuf(stderr, 0);
 
#ifdef SIGPIPE
   signal(SIGPIPE, SIG_IGN);
#endif
 
#ifdef OS_VXWORKS
   if (ahost_name)
      strcpy(host_name, ahost_name);
   if (aexp_name)
      strcpy(exp_name, aexp_name);
   mfe_debug = adebug;
#else
 
   /* get default from environment */
   cm_get_environment(host_name, sizeof(host_name), exp_name, sizeof(exp_name));
 
   /* store arguments for user use */
   _argc = argc;
   _argv = (char **) malloc(sizeof(char *) * argc);
   for (i = 0; i < argc; i++) {
      _argv[i] = argv[i];
   }
 
   /* parse command line parameters */
   for (i = 1; i < argc; i++) {
      if (argv[i][0] == '-' && argv[i][1] == 'd')
         mfe_debug = TRUE;
      else if (argv[i][0] == '-' && argv[i][1] == 'D')
         daemon_flag = 1;
      else if (argv[i][0] == '-' && argv[i][1] == 'O')
         daemon_flag = 2;
      else if (argv[i][1] == 'v') {
         if (i < argc - 1 && atoi(argv[i + 1]) > 0)
            verbosity_level = atoi(argv[++i]);
         else
            verbosity_level = 1;
      } else if (argv[i][0] == '-') {
         if (i + 1 >= argc || argv[i + 1][0] == '-')
            goto usage;
         if (argv[i][1] == 'e')
            strcpy(exp_name, argv[++i]);
         else if (argv[i][1] == 'h')
            strcpy(host_name, argv[++i]);
         else if (argv[i][1] == 'i')
            frontend_index = atoi(argv[++i]);
         else if (argv[i][1] == '-') {
         usage:
            printf("usage: frontend [-h Hostname] [-e Experiment] [-d] [-D] [-O] [-v <n>] [-i <n>]\n");
            printf("         [-d]     Used to debug the frontend\n");
            printf("         [-D]     Become a daemon\n");
            printf("         [-O]     Become a daemon but keep stdout\n");
            printf("         [-v <n>] Set verbosity level\n");
            printf("         [-i <n>] Set frontend index (used for event building)\n");
            return 0;
         }
      }
   }
#endif
 
#ifdef OS_VXWORKS
   /* override event_buffer_size in case of VxWorks
      take remaining free memory and use 20% of it for rb_ */
   event_buffer_size = 2 * 10 * (max_event_size + sizeof(EVENT_HEADER) + sizeof(INT));
   if (event_buffer_size > memFindMax()) {
      cm_msg(MERROR, "mainFE", "Not enough mem space for event size");
      return 0;
   }
   /* takes overall 20% of the available memory resource for rb_() */
   event_buffer_size = 0.2 * memFindMax();
#endif
 
   /* retrieve frontend index from environment if defined */
   if (getenv("MIDAS_FRONTEND_INDEX"))
      frontend_index = atoi(getenv("MIDAS_FRONTEND_INDEX"));
 
   /* add frontend index to frontend name if present */
   strcpy(full_frontend_name, frontend_name);
   if (frontend_index >= 0)
      sprintf(full_frontend_name + strlen(full_frontend_name), "%02d", frontend_index);
 
   if (daemon_flag) {
      printf("\nBecoming a daemon...\n");
      ss_daemon_init(daemon_flag == 2);
   }
 
   /* set default rate period */
   set_rate_period(3000);
 
   /* now connect to server */
   if (host_name[0]) {
      if (exp_name[0])
         printf("Connect to experiment %s on host %s...\n", exp_name, host_name);
      else
         printf("Connect to experiment on host %s...\n", host_name);
   } else if (exp_name[0])
      printf("Connect to experiment %s...\n", exp_name);
   else
      printf("Connect to experiment...\n");
 
   status = cm_connect_experiment1(host_name, exp_name, full_frontend_name,
                                   NULL, DEFAULT_ODB_SIZE, DEFAULT_FE_TIMEOUT);
   if (status != CM_SUCCESS) {
      cm_msg(MERROR, "mfe_main", "Cannot connect to experiment \'%s\' on host \'%s\', status %d", exp_name, host_name,
             status);
      /* let user read message before window might close */
      ss_sleep(5000);
      return 1;
   }
 
   printf("OK\n");
 
   /* allocate buffer space */
   event_buffer = malloc(max_event_size);
   if (event_buffer == NULL) {
      cm_msg(MERROR, "mfe_main", "mfe: Cannot allocate event buffer of max_event_size %d\n", max_event_size);
      return 1;
   }
 
   cm_msg(MINFO, "mfe_main", "Frontend \"%s\" started", full_frontend_name);
 
   /* remove any dead frontend */
   cm_cleanup(full_frontend_name, FALSE);
 
   /* shutdown previous frontend */
   status = cm_shutdown(full_frontend_name, TRUE);
   if (status == CM_SUCCESS) {
      cm_msg(MINFO, "mfe_main", "Previous frontend \"%s\" stopped", full_frontend_name);
 
      /* let user read message */
      ss_sleep(3000);
 
      // set full name again, because previously we could have a "1" added to our name
      cm_get_experiment_database(&hDB, &hClient);
      cm_set_client_info(hDB, &hClient, host_name, full_frontend_name, rpc_get_hw_type(),
                         nullptr, DEFAULT_FE_TIMEOUT);
   }
 
   /* register transition callbacks */
   if (cm_register_transition(TR_START, tr_start, 500) != CM_SUCCESS ||
       cm_register_transition(TR_STOP, tr_stop, 500) != CM_SUCCESS ||
       cm_register_transition(TR_PAUSE, tr_pause, 500) != CM_SUCCESS ||
       cm_register_transition(TR_RESUME, tr_resume, 500) != CM_SUCCESS) {
      printf("Failed to start local RPC server");
      cm_disconnect_experiment();
 
      /* let user read message before window might close */
      ss_sleep(5000);
      return 1;
   }
   cm_set_client_run_state(run_state);
 
   cm_get_experiment_database(&hDB, &hClient);
   /* set time from server */
#ifdef OS_VXWORKS
   cm_synchronize(NULL);
#endif
 
   /* turn off watchdog if in debug mode */
   if (mfe_debug)
      cm_set_watchdog_params(FALSE, 0);
 
   cm_start_watchdog_thread();
 
   /* reqister equipment in ODB */
   if (register_equipment() != SUCCESS) {
      printf("\n");
      cm_disconnect_experiment();
 
      /* let user read message before window might close */
      ss_sleep(5000);
      return 1;
   }
 
   /* call user init function */
   printf("Init hardware...\n");
   if (frontend_init() != SUCCESS) {
      printf("\n");
      cm_disconnect_experiment();
      return 1;
   }
 
   /* inform user of settings */
   printf("Frontend name          :     %s\n", full_frontend_name);
   printf("Event buffer size      :     %d\n", event_buffer_size);
   printf("User max event size    :     %d\n", max_event_size);
   if (max_event_size_frag > 0)
      printf("User max frag. size    :     %d\n", max_event_size_frag);
   printf("# of events per buffer :     %d\n\n", event_buffer_size / max_event_size);
 
   /* check event and buffer sizes */
   if (event_buffer_size < 2 * max_event_size) {
      cm_msg(MERROR, "mfe_main", "event_buffer_size %d too small for max. event size %d\n", event_buffer_size,
             max_event_size);
      ss_sleep(5000);
      return 1;
   }
 
   int max_allowed_buffer_size = 1024 * 1024 * 1024; // 1 GB
 
   // Check buffer size. If this value is too large, the end-of-run
   // might take quite long to drain a full buffer
   if (event_buffer_size > max_allowed_buffer_size) {
      cm_msg(MERROR, "mfe_main", "event_buffer_size %d MB exceeds maximum allowed size of %d MB\n",
             event_buffer_size / 1024 / 1024, max_allowed_buffer_size / 1024 / 1024);
      ss_sleep(5000);
      return 1;
   }
 
   /* initialize all equipment */
   status = initialize_equipment();
   if (status != SUCCESS) {
      printf("\n");
      cm_msg(MERROR, "mfe_main", "Error status %d received from initialize_equipment, aborting", status);
      cm_disconnect_experiment();
 
      /* let user read message before window might close */
      ss_sleep(5000);
      return 1;
   }
 
   printf("OK\n");
 
   /* switch on interrupts or readout thread if running */
   if (run_state == STATE_RUNNING)
      readout_enable(TRUE);
 
   if (!mfe_debug) {
      /* initialize ss_getchar */
      ss_getchar(0);
 
      /* initialize screen display */
      if (display_period) {
         ss_sleep(500);
         display(TRUE);
      }
   }
 
   /* set own message print function */
   if (display_period && !mfe_debug)
      cm_set_msg_print(MT_ALL, MT_ALL, message_print);
 
   /* call main scheduler loop */
   status = scheduler();
 
   /* reset terminal */
   ss_getchar(TRUE);
 
   if (display_period && !mfe_debug) {
      ss_clear_screen();
      ss_printf(0, 0, "");
   }
 
   /* stop readout thread */
   stop_readout_threads();
   rb_set_nonblocking();
   while (is_readout_thread_active()) {
      flush_user_events();
      ss_sleep(100);
   }
 
   /* switch off interrupts and detach */
   if (interrupt_eq) {
      interrupt_configure(CMD_INTERRUPT_DISABLE, 0, 0);
      interrupt_configure(CMD_INTERRUPT_DETACH, 0, 0);
   }
 
   /* call user exit function */
   frontend_exit();
 
   /* close slow control drivers */
   for (i = 0; equipment[i].name[0]; i++)
      if ((equipment[i].info.eq_type & EQ_SLOW) && (equipment[i].status == FE_SUCCESS || equipment[i].status == FE_PARTIALLY_DISABLED)) {
 
         for (j = 0; equipment[i].driver[j].name[0]; j++)
            if (equipment[i].driver[j].flags & DF_MULTITHREAD)
               break;
 
         /* stop all threads if multithreaded */
         if (equipment[i].driver[j].name[0] && (equipment[i].status == FE_SUCCESS || equipment[i].status == FE_PARTIALLY_DISABLED))
            equipment[i].cd(CMD_STOP, &equipment[i]); /* stop all threads */
      }
   for (i = 0; equipment[i].name[0]; i++)
      if ((equipment[i].info.eq_type & EQ_SLOW) && (equipment[i].status == FE_SUCCESS || equipment[i].status == FE_PARTIALLY_DISABLED))
         equipment[i].cd(CMD_EXIT, &equipment[i]); /* close physical connections */
 
   free(n_events);
 
   if (cm_is_ctrlc_pressed()) {
      cm_msg(MINFO, "mfe_main", "Frontend \"%s\" stopped via Ctrl-C", full_frontend_name);
   } else if (status == RPC_SHUTDOWN) {
      cm_msg(MINFO, "mfe_main", "Frontend \"%s\" stopped via network command", full_frontend_name);
   } else if (status != RPC_SHUTDOWN) {
      cm_msg(MINFO, "mfe_main", "Frontend \"%s\" stopped because of network error", full_frontend_name);
   } else
      cm_msg(MINFO, "mfe_main", "Frontend \"%s\" stopped", full_frontend_name);
 
   /* close network connection to server */
   cm_disconnect_experiment();
 
   return 0;
}

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manual_trigger()

INT manual_trigger	(	INT	idx,
		void *	prpc_param[]
	)

Definition at line 267 of file mfe.cxx.

                                            {
   manual_trigger_event_id = CWORD(0);
   return SUCCESS;
}

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message_print()

static int message_print ( const char *  msg )

static

Definition at line 1348 of file mfe.cxx.

                                          {
   char str[160];
 
   memset(str, ' ', 159);
   str[159] = 0;
 
   if (msg[0] == '[')
      msg = strchr(msg, ']') + 2;
 
   memcpy(str, msg, strlen(msg));
   ss_printf(0, 20, str);
 
   return 0;
}

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mfe_error()

void mfe_error

(

const char *

error

)

Definition at line 2395 of file mfe.cxx.

{
   if (mfe_mutex == NULL) {
      int status = ss_mutex_create(&mfe_mutex, FALSE);
      if (status != SS_SUCCESS && status != SS_CREATED) {
         cm_msg(MERROR, "mfe_error", "Cannot create mutex\n");
         return;
      }
   }
 
   /* put error into FIFO */
   ss_mutex_wait_for(mfe_mutex, 1000);
   mstrlcpy(mfe_error_str[mfe_error_w], error, 256);
   mfe_error_w = (mfe_error_w + 1) % MFE_ERROR_SIZE;
   ss_mutex_release(mfe_mutex);
}

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mfe_error_check()

void mfe_error_check

(

void

)

Definition at line 2414 of file mfe.cxx.

                           {
   if (mfe_mutex != NULL) {
      ss_mutex_wait_for(mfe_mutex, 1000);
      if (mfe_error_w != mfe_error_r) {
         if (mfe_error_dispatcher != NULL)
            mfe_error_dispatcher(mfe_error_str[mfe_error_r]);
         mfe_error_r = (mfe_error_r + 1) % MFE_ERROR_SIZE;
      }
      ss_mutex_release(mfe_mutex);
   }
}

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mfe_get_args()

void mfe_get_args	(	int *	argc,
		char ***	argv
	)

Definition at line 2431 of file mfe.cxx.

                                           {
   *argc = _argc;
   *argv = _argv;
}

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mfe_set_error()

void mfe_set_error

(

void(*)(const char *)

dispatcher

)

Definition at line 2381 of file mfe.cxx.

                                                     {
   int status;
 
   mfe_error_dispatcher = dispatcher;
   mfe_error_r = mfe_error_w = 0;
   memset(mfe_error_str, 0, sizeof(mfe_error_str));
 
   if (mfe_mutex == NULL) {
      status = ss_mutex_create(&mfe_mutex, FALSE);
      if (status != SS_SUCCESS && status != SS_CREATED)
         cm_msg(MERROR, "mfe_set_error", "Cannot create mutex\n");
   }
}

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readout_enable()

void readout_enable

(

bool

flag

)

Definition at line 1079 of file mfe.cxx.

                               {
   _readout_enabled_flag = flag;
 
   if (interrupt_eq) {
      if (flag)
         interrupt_configure(CMD_INTERRUPT_ENABLE, 0, 0);
      else
         interrupt_configure(CMD_INTERRUPT_DISABLE, 0, 0);
   }
}

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readout_enabled()

bool readout_enabled

(

void

)

Definition at line 1075 of file mfe.cxx.

                       {
   return _readout_enabled_flag;
}

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receive_trigger_event()

static int receive_trigger_event ( EQUIPMENT *  eq )

static

Definition at line 1241 of file mfe.cxx.

                                                {
   int index, status;
   EVENT_HEADER *prb = NULL, *pevent;
   void *p;
   static unsigned int last_event_time = 0;
   static unsigned int last_error = 0;
   unsigned int last_serial = 0;
 
   unsigned int serial = eq->events_collected;
   if (serial == 0)
      last_serial = 0; // BOR
 
   // search all ring buffers for next event
   status = 0;
   for (index = 0; get_event_rbh(index); index++) {
      status = rb_get_rp(get_event_rbh(index), &p, 10);
      prb = (EVENT_HEADER *) p;
      if (status == DB_SUCCESS)
         if (prb->serial_number > last_serial)
            last_serial = prb->serial_number;
      if (status == DB_SUCCESS && prb->serial_number == serial)
         break;
   }
 
   if (get_event_rbh(index) == 0) {
      if (serial > 0 && last_serial > serial &&
          last_event_time > 0 && ss_millitime() > last_event_time + 5000) {
         if (ss_time() - last_error > 30) {
            last_error = ss_time();
            cm_msg(MERROR, "receive_trigger_event",
                   "Event collector: waiting for event serial %d since %1.1lf seconds, received already serial %d",
                   serial, (ss_millitime() - last_event_time) / 1000.0, last_serial);
         }
      }
      return 0;
   }
 
   last_event_time = ss_millitime();
   pevent = prb;
 
   /* send event */
   if (pevent->data_size) {
      if (eq->buffer_handle) {
 
         /* save event in temporary buffer to push it to the ODB later */
         if (eq->info.read_on & RO_ODB)
            memcpy(event_buffer, pevent, pevent->data_size + sizeof(EVENT_HEADER));
 
         /* send first event to ODB if logger writes in root format */
         if (pevent->serial_number == 0)
            if (logger_root())
               update_odb(pevent, eq->hkey_variables, eq->format);
 
         status = rpc_send_event(eq->buffer_handle, pevent,
                                 pevent->data_size + sizeof(EVENT_HEADER),
                                 BM_WAIT, rpc_mode);
 
         if (status != SUCCESS) {
            cm_msg(MERROR, "receive_trigger_event", "rpc_send_event error %d", status);
            return -1;
         }
 
         eq->bytes_sent += pevent->data_size + sizeof(EVENT_HEADER);
 
         if (eq->info.num_subevents)
            eq->events_sent += eq->subevent_number;
         else
            eq->events_sent++;
 
         eq->events_collected++;
 
         rotate_wheel();
      }
   }
 
   rb_increment_rp(get_event_rbh(index), sizeof(EVENT_HEADER) + prb->data_size);
   return prb->data_size;
}

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register_equipment()

static INT register_equipment ( void  )

static

Definition at line 296 of file mfe.cxx.

                                    {
   INT idx, size, status;
   char str[256];
   EQUIPMENT_INFO *eq_info;
   EQUIPMENT_STATS *eq_stats;
   HNDLE hKey;
   BANK_LIST *bank_list;
   DWORD dummy;
 
   /* get current ODB run state */
   size = sizeof(run_state);
   run_state = STATE_STOPPED;
   db_get_value(hDB, 0, "/Runinfo/State", &run_state, &size, TID_INT, TRUE);
   size = sizeof(run_number);
   run_number = 1;
   status = db_get_value(hDB, 0, "/Runinfo/Run number", &run_number, &size, TID_INT, TRUE);
   assert(status == SUCCESS);
 
   /* scan EQUIPMENT table from user frontend */
   for (idx = 0; equipment[idx].name[0]; idx++) {
      eq_info = &equipment[idx].info;
      eq_stats = &equipment[idx].stats;
 
      if (eq_info->event_id == 0) {
         printf("\nEvent ID 0 for %s not allowed\n", equipment[idx].name);
         cm_disconnect_experiment();
         ss_sleep(5000);
         exit(0);
      }
 
      /* init status */
      equipment[idx].status = FE_SUCCESS;
 
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-nonliteral"            // need for snprintf below
 
      /* check for % in equipment (needed for event building) */
      if (frontend_index != -1) {
         /* modify equipment name to <name>xx where xx is the frontend index */
         if (strchr(equipment[idx].name, '%')) {
            snprintf(str, sizeof(str), equipment[idx].name, frontend_index);
            mstrlcpy(equipment[idx].name, str, sizeof(equipment[idx].name));
         }
 
         /* modify event buffer name to <name>xx where xx is the frontend index */
         if (strchr(eq_info->buffer, '%')) {
            snprintf(str, sizeof(str), eq_info->buffer, frontend_index);
            mstrlcpy(eq_info->buffer, str, sizeof(eq_info->buffer));
         }
      } else {
         /* stip %.. */
         if (strchr(equipment[idx].name, '%'))
            *strchr(equipment[idx].name, '%') = 0;
         if (strchr(eq_info->buffer, '%'))
            *strchr(eq_info->buffer, '%') = 0;
      }
#pragma GCC diagnostic pop
 
      /* check for '${HOSTNAME}' in equipment name, replace with env var (needed for sysmon) */
      std::string name = equipment[idx].name;
      size_t namepos = name.find("${HOSTNAME}");
 
      /* if there is a ${HOSTNAME} ... */
      if (namepos != std::string::npos) {
         // Grab text before and after
         std::string before = name.substr(0, namepos);
         std::string after = name.substr(namepos + 11);//11 = length of "${HOSTNAME}"
         // Get local_host_name (ODB entry not set yet)
         std::string thishost = ss_gethostname();
         // cut the hostname string at the first '.'
         size_t p = thishost.find('.');
         thishost = thishost.substr(0, p == std::string::npos ? thishost.length() : p);
         name = before;
         name += thishost;
         name += after;
         if (name.length() >= 32) {
            cm_msg(MERROR, "equipment name too long",
                           "Equipment name %s%s%s too long, trimming down to %d characters",
                           before.c_str(),thishost.c_str(),after.c_str(),
                           32);
         }
         mstrlcpy(equipment[idx].name, name.c_str(), 32);
         printf("\t became:%s\n", equipment[idx].name);
      }
 
      sprintf(str, "/Equipment/%s/Common", equipment[idx].name);
 
      status = db_check_record(hDB, 0, str, EQUIPMENT_COMMON_STR, FALSE);
      if (status == DB_NO_KEY) {
         db_create_record(hDB, 0, str, EQUIPMENT_COMMON_STR);
         db_find_key(hDB, 0, str, &hKey);
         status = db_set_record(hDB, hKey, eq_info, sizeof(EQUIPMENT_INFO), 0);
         if (status != DB_SUCCESS) {
            printf("ERROR: Cannot create equipment record \"%s\", db_set_record() status %d\n", str, status);
            cm_disconnect_experiment();
            ss_sleep(3000);
            return 0;
         }
      } else if (status == DB_STRUCT_MISMATCH) {
         cm_msg(MINFO, "register_equipment", "Correcting \"%s\", db_check_record() status %d", str, status);
         db_create_record(hDB, 0, str, EQUIPMENT_COMMON_STR);
      } else if (status != DB_SUCCESS) {
         printf("ERROR: Cannot check equipment record \"%s\", db_check_record() status %d\n", str, status);
         cm_disconnect_experiment();
         ss_sleep(3000);
         exit(0);
      }
 
      status = db_find_key(hDB, 0, str, &hKey);
      if (status != DB_SUCCESS) {
         printf("ERROR:  Cannot find \"%s\", db_find_key() status %d", str, status);
         cm_disconnect_experiment();
         ss_sleep(3000);
         exit(0);
      }
 
      status = db_check_record(hDB, hKey, "", EQUIPMENT_COMMON_STR, TRUE);
      if (status != DB_SUCCESS) {
         printf("ERROR:  Cannot check record \"%s\", db_check_record() status %d", str, status);
         cm_disconnect_experiment();
         ss_sleep(3000);
         exit(0);
      }
 
      /* set equipment Common from equipment[] list if flag is set in user frontend code */
      if (equipment_common_overwrite) {
         // do not overwrite "enabled" and "hidden" flags, these is always defined in the ODB
         BOOL prev_enabled;
         BOOL prev_hidden;
         double prev_event_limit;
         int size;
         size = sizeof(prev_enabled);
         db_get_value(hDB, hKey, "Enabled", &prev_enabled, &size, TID_BOOL, FALSE);
         size = sizeof(prev_hidden);
         db_get_value(hDB, hKey, "Hidden", &prev_hidden, &size, TID_BOOL, FALSE);
         size = sizeof(prev_event_limit);
         db_get_value(hDB, hKey, "Event limit", &prev_event_limit, &size, TID_DOUBLE, FALSE);
         status = db_set_record(hDB, hKey, eq_info, sizeof(EQUIPMENT_INFO), 0);
         if (status != DB_SUCCESS) {
            printf("ERROR: Cannot set record \"%s\", db_set_record() status %d", str, status);
            cm_disconnect_experiment();
            ss_sleep(3000);
            exit(0);
         }
         eq_info->enabled = prev_enabled;
         db_set_value(hDB, hKey, "Enabled", &prev_enabled, sizeof(prev_enabled), 1, TID_BOOL);
         eq_info->hidden = prev_hidden;
         db_set_value(hDB, hKey, "Hidden", &prev_hidden, sizeof(prev_hidden), 1, TID_BOOL);
         if ((eq_info->eq_type & EQ_SLOW) == 0) {
            eq_info->event_limit = prev_event_limit;
            db_set_value(hDB, hKey, "Event limit", &prev_event_limit, sizeof(prev_event_limit), 1, TID_DOUBLE);
         }
      } else {
         size = sizeof(EQUIPMENT_INFO);
         status = db_get_record(hDB, hKey, eq_info, &size, 0);
         if (status != DB_SUCCESS) {
            printf("ERROR: Cannot get record \"%s\", db_get_record() status %d", str, status);
            cm_disconnect_experiment();
            ss_sleep(3000);
            exit(0);
         }
      }
 
      /* open hot link to equipment info */
      status = db_watch(hDB, hKey, eq_common_watcher, &equipment[idx]);
      if (status != DB_SUCCESS) {
         printf("ERROR:  Cannot hotlink \"%s\", db_watch() status %d", str, status);
         cm_disconnect_experiment();
         ss_sleep(3000);
         exit(0);
      }
 
      if (equal_ustring(eq_info->format, "FIXED"))
         equipment[idx].format = FORMAT_FIXED;
      else /* default format is MIDAS */
         equipment[idx].format = FORMAT_MIDAS;
      
      size = sizeof(str);
      status = db_get_value(hDB, hClient, "Host", str, &size, TID_STRING, FALSE);
      assert(status == DB_SUCCESS);
      mstrlcpy(eq_info->frontend_host, str, sizeof(eq_info->frontend_host));
      mstrlcpy(eq_info->frontend_name, full_frontend_name, sizeof(eq_info->frontend_name));
      mstrlcpy(eq_info->frontend_file_name, frontend_file_name, sizeof(eq_info->frontend_file_name));
      mstrlcpy(eq_info->status, full_frontend_name, sizeof(eq_info->status));
      mstrlcat(eq_info->status, "@", sizeof(eq_info->status));
      mstrlcat(eq_info->status, eq_info->frontend_host, sizeof(eq_info->status));
      mstrlcpy(eq_info->status_color, "greenLight", sizeof(eq_info->status_color));
 
      /* update variables in ODB */
      status = db_set_record(hDB, hKey, eq_info, sizeof(EQUIPMENT_INFO), 0);
 
      if (status != DB_SUCCESS) {
         cm_msg(MERROR, "register_equipment", "Cannot update equipment Common, db_set_record() status %d", status);
         return 0;
      }
 
      /* check for consistent common settings */
      if ((eq_info->read_on & RO_STOPPED) &&
          (eq_info->eq_type == EQ_POLLED ||
           eq_info->eq_type == EQ_INTERRUPT ||
           eq_info->eq_type == EQ_MULTITHREAD ||
           eq_info->eq_type == EQ_USER)) {
         cm_msg(MERROR, "register_equipment", "Equipment \"%s\" contains RO_STOPPED or RO_ALWAYS. This can lead to undesired side-effect and should be removed.", equipment[idx].name);
      }
 
      /*---- Create variables record ---------------------------------*/
 
      sprintf(str, "/Equipment/%s/Variables", equipment[idx].name);
      if (equipment[idx].event_descrip) {
         if (equipment[idx].format == FORMAT_FIXED)
            db_check_record(hDB, 0, str, (char *) equipment[idx].event_descrip, TRUE);
         else {
            /* create bank descriptions */
            bank_list = (BANK_LIST *) equipment[idx].event_descrip;
 
            for (; bank_list->name[0]; bank_list++) {
               /* mabye needed later...
                  if (bank_list->output_flag == 0)
                  continue;
                */
 
               if (bank_list->type == TID_STRUCT) {
                  sprintf(str, "/Equipment/%s/Variables/%s", equipment[idx].name,
                          bank_list->name);
                  status = db_check_record(hDB, 0, str, strcomb1((const char **) bank_list->init_str).c_str(), TRUE);
                  if (status != DB_SUCCESS) {
                     printf("Cannot check/create record \"%s\", status = %d\n", str,
                            status);
                     ss_sleep(3000);
                  }
               } else {
                  sprintf(str, "/Equipment/%s/Variables/%s", equipment[idx].name,
                          bank_list->name);
                  dummy = 0;
                  db_set_value(hDB, 0, str, &dummy, rpc_tid_size(bank_list->type), 1,
                               bank_list->type);
               }
            }
         }
      } else
         db_create_key(hDB, 0, str, TID_KEY);
 
      sprintf(str, "/Equipment/%s/Variables", equipment[idx].name);
      db_find_key(hDB, 0, str, &hKey);
      equipment[idx].hkey_variables = hKey;
 
      /*---- Create and initialize statistics tree -------------------*/
 
      sprintf(str, "/Equipment/%s/Statistics", equipment[idx].name);
 
      status = db_check_record(hDB, 0, str, EQUIPMENT_STATISTICS_STR, TRUE);
      if (status != DB_SUCCESS) {
         printf("Cannot create/check statistics record \'%s\', error %d\n", str, status);
         ss_sleep(3000);
      }
 
      status = db_find_key(hDB, 0, str, &hKey);
      if (status != DB_SUCCESS) {
         printf("Cannot find statistics record \'%s\', error %d\n", str, status);
         ss_sleep(3000);
      }
 
      eq_stats->events_sent = 0;
      eq_stats->events_per_sec = 0;
      eq_stats->kbytes_per_sec = 0;
 
      /* open hot link to statistics tree */
      status = db_open_record1(hDB, hKey, eq_stats, sizeof(EQUIPMENT_STATS), MODE_WRITE, NULL, NULL, EQUIPMENT_STATISTICS_STR);
      if (status == DB_NO_ACCESS) {
         /* record is probably still in exclusive access by dead FE, so reset it */
         status = db_set_mode(hDB, hKey, MODE_READ | MODE_WRITE | MODE_DELETE, TRUE);
         if (status != DB_SUCCESS)
            cm_msg(MERROR, "register_equipment",
                   "Cannot change access mode for record \'%s\', error %d", str, status);
         else
            cm_msg(MINFO, "register_equipment", "Recovered access mode for record \'%s\'", str);
         status = db_open_record1(hDB, hKey, eq_stats, sizeof(EQUIPMENT_STATS), MODE_WRITE, NULL, NULL, EQUIPMENT_STATISTICS_STR);
      }
      if (status != DB_SUCCESS) {
         cm_msg(MERROR, "register_equipment",
                "Cannot open statistics record \'%s\', error %d", str, status);
         ss_sleep(3000);
      }
 
      /*---- open event buffer ---------------------------------------*/
 
      /* check for fragmented event */
      if (eq_info->eq_type & EQ_FRAGMENTED) {
         if (frag_buffer == NULL)
            frag_buffer = malloc(max_event_size_frag);
 
         if (frag_buffer == NULL) {
            cm_msg(MERROR, "register_equipment",
                   "Not enough memory to allocate buffer for fragmented events");
            return SS_NO_MEMORY;
         }
      }
 
      if (eq_info->buffer[0]) {
         status = bm_open_buffer(eq_info->buffer, DEFAULT_BUFFER_SIZE, &equipment[idx].buffer_handle);
         if (status != BM_SUCCESS && status != BM_CREATED) {
            cm_msg(MERROR, "register_equipment", "Cannot open event buffer \"%s\" size %d, bm_open_buffer() status %d", eq_info->buffer, DEFAULT_BUFFER_SIZE, status);
            return 0;
         }
      } else
         equipment[idx].buffer_handle = 0;
   }
 
   n_events = (int *) calloc(sizeof(int), idx);
 
   return SUCCESS;
}

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rotate_wheel()

void rotate_wheel

(

void

)

Definition at line 1482 of file mfe.cxx.

                        {
   static DWORD last_wheel = 0, wheel_index = 0;
   static char wheel_char[] = {'-', '\\', '|', '/'};
 
   if (display_period && !mfe_debug) {
      if (ss_millitime() - last_wheel > 300) {
         last_wheel = ss_millitime();
         ss_printf(79, 2, "%c", wheel_char[wheel_index]);
         wheel_index = (wheel_index + 1) % 4;
      }
   }
}

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scheduler()

static INT scheduler ( )

static

Definition at line 1786 of file mfe.cxx.

                       {
   EQUIPMENT_INFO *eq_info;
   EQUIPMENT *eq;
   EVENT_HEADER *pevent, *pfragment;
   DWORD last_time_network = 0, last_time_display = 0, last_time_flush = 0,
         readout_start, sent, size, last_time_rate = 0;
   INT i, j, idx, status = 0, ch, source, state, old_flag;
   char *pdata;
   unsigned char *pd;
   BOOL flag, force_update = FALSE;
 
   INT opt_max = 0, opt_index = 0, opt_tcp_size = 128, opt_cnt = 0;
   INT err;
 
#ifdef OS_VXWORKS
   rpc_set_opt_tcp_size(1024);
#ifdef PPCxxx
   rpc_set_opt_tcp_size(NET_TCP_SIZE);
#endif
#endif
 
   /*----------------- MAIN equipment loop ------------------------------*/
 
   last_time_rate = ss_millitime();
 
   do {
      actual_millitime = ss_millitime();
      actual_time = ss_time();
 
      /*---- loop over equipment table -------------------------------*/
      for (idx = 0;; idx++) {
         eq = &equipment[idx];
         eq_info = &eq->info;
 
         /* check if end of equipment list */
         if (!eq->name[0])
            break;
 
         if (!eq_info->enabled)
            continue;
 
         if (eq->status != FE_SUCCESS && eq->status != FE_PARTIALLY_DISABLED)
            continue;
 
         /*---- call idle routine for slow control equipment ----*/
         if ((eq_info->eq_type & EQ_SLOW) && (eq->status == FE_SUCCESS || eq->status == FE_PARTIALLY_DISABLED)) {
            if (eq_info->history > 0) {
               if (actual_millitime - eq->last_idle >= (DWORD) eq_info->history) {
                  eq->cd(CMD_IDLE, eq);
                  eq->last_idle = actual_millitime;
               }
            } else
               eq->cd(CMD_IDLE, eq);
         }
 
         if (run_state == STATE_STOPPED && (eq_info->read_on & RO_STOPPED) == 0)
            continue;
         if (run_state == STATE_PAUSED && (eq_info->read_on & RO_PAUSED) == 0)
            continue;
         if (run_state == STATE_RUNNING && (eq_info->read_on & RO_RUNNING) == 0)
            continue;
 
         /*---- check periodic events ----*/
         if ((eq_info->eq_type & EQ_PERIODIC) || (eq_info->eq_type & EQ_SLOW)) {
            if (eq_info->period == 0)
               continue;
 
            /* check if period over */
            if (actual_millitime - eq->last_called >= (DWORD) eq_info->period) {
               /* disable interrupts or readout thread during this event */
               old_flag = readout_enabled();
               if (old_flag && lockout_readout_thread)
                  readout_enable(FALSE);
 
               /* readout and send event */
               status = send_event(idx, FALSE);
 
               if (status != CM_SUCCESS) {
                  cm_msg(MERROR, "scheduler", "send_event error %d", status);
                  goto net_error;
               }
 
               /* re-enable the interrupt or readout thread after readout */
               if (old_flag)
                  readout_enable(TRUE);
            }
         }
 
         /*---- check polled events ----*/
         if (eq_info->eq_type & EQ_POLLED) {
            readout_start = actual_millitime;
            pevent = NULL;
 
            while ((source = poll_event(eq_info->source, eq->poll_count, FALSE)) > 0) {
 
               if (eq_info->eq_type & EQ_FRAGMENTED)
                  pevent = (EVENT_HEADER *) frag_buffer;
               else
                  pevent = (EVENT_HEADER *) event_buffer;
 
               /* compose MIDAS event header */
               pevent->event_id = eq_info->event_id;
               pevent->trigger_mask = eq_info->trigger_mask;
               pevent->data_size = 0;
               pevent->time_stamp = actual_time;
               pevent->serial_number = eq->serial_number;
 
               /* put source at beginning of event, will be overwritten by
                  user readout code, just a special feature used by some
                  multi-source applications */
               *(INT *) (pevent + 1) = source;
 
               if (eq->info.num_subevents) {
                  eq->subevent_number = 0;
                  do {
                     *(INT *) ((char *) (pevent + 1) + pevent->data_size) = source;
 
                     /* call user readout routine for subevent indicating offset */
                     size = eq->readout((char *) (pevent + 1), pevent->data_size);
                     pevent->data_size += size;
                     if (size > 0) {
                        if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size) {
                           cm_msg(MERROR, "scheduler",
                                  "Event size %ld larger than maximum size %d",
                                  (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                                  max_event_size);
                        }
 
                        eq->subevent_number++;
                        eq->serial_number++;
                     }
 
                     /* wait for next event */
                     do {
                        source = poll_event(eq_info->source, eq->poll_count, FALSE);
 
                        if (source == FALSE) {
                           actual_millitime = ss_millitime();
 
                           /* repeat no more than period */
                           if (actual_millitime - readout_start > (DWORD) eq_info->period)
                              break;
                        }
                     } while (source == FALSE);
 
                  } while (eq->subevent_number < eq->info.num_subevents && source);
 
                  /* notify readout routine about end of super-event */
                  pevent->data_size = eq->readout((char *) (pevent + 1), -1);
               } else {
                  /* call user readout routine indicating event source */
                  pevent->data_size = eq->readout((char *) (pevent + 1), 0);
 
                  /* check event size */
                  if (eq_info->eq_type & EQ_FRAGMENTED) {
                     if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size_frag) {
                        cm_msg(MERROR, "send_event",
                               "Event size %ld larger than maximum size %d for frag. ev.",
                               (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                               max_event_size_frag);
                        pevent->data_size = 0;
                     }
                  } else {
                     if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size) {
                        cm_msg(MERROR, "scheduler",
                               "Event size %ld larger than maximum size %d",
                               (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                               max_event_size);
                        pevent->data_size = 0;
                     }
                  }
 
                  /* increment serial number if event read out sucessfully */
                  if (pevent->data_size)
                     eq->serial_number++;
               }
 
               /* send event */
               if (pevent->data_size) {
 
                  /* check for fragmented event */
                  if (eq_info->eq_type & EQ_FRAGMENTED) {
                     /* compose fragments */
                     pfragment = (EVENT_HEADER *) event_buffer;
 
                     /* compose MIDAS event header */
                     memcpy(pfragment, pevent, sizeof(EVENT_HEADER));
                     pfragment->event_id |= EVENTID_FRAG1;
 
                     /* store total event size */
                     pd = (unsigned char *) (pfragment + 1);
                     size = pevent->data_size;
                     for (i = 0; i < 4; i++) {
                        pd[i] = (unsigned char) (size & 0xFF); /* little endian, please! */
                        size >>= 8;
                     }
 
                     pfragment->data_size = sizeof(DWORD);
 
                     pdata = (char *) (pevent + 1);
 
                     for (i = 0, sent = 0; sent < pevent->data_size; i++) {
                        if (i > 0) {
                           pfragment = (EVENT_HEADER *) event_buffer;
 
                           /* compose MIDAS event header */
                           memcpy(pfragment, pevent, sizeof(EVENT_HEADER));
                           pfragment->event_id |= EVENTID_FRAG;
 
                           /* copy portion of event */
                           size = pevent->data_size - sent;
                           if (size > max_event_size - sizeof(EVENT_HEADER))
                              size = max_event_size - sizeof(EVENT_HEADER);
 
                           memcpy(pfragment + 1, pdata, size);
                           pfragment->data_size = size;
                           sent += size;
                           pdata += size;
                        }
 
                        /* send event to buffer */
                        if (equipment[idx].buffer_handle) {
                           status = rpc_send_event(equipment[idx].buffer_handle, pfragment,
                                                   pfragment->data_size + sizeof(EVENT_HEADER), BM_WAIT, rpc_mode);
                           if (status != RPC_SUCCESS) {
                              cm_msg(MERROR, "scheduler", "rpc_send_event(BM_WAIT) error %d", status);
                              return status;
                           }
 
                           /* flush events from buffer */
                           rpc_flush_event();
                        }
                     }
 
                  } else { /*-------------------*/
 
                     /* send unfragmented event */
 
                     /* send first event to ODB if logger writes in root format */
                     if (pevent->serial_number == 0)
                        if (logger_root())
                           update_odb(pevent, eq->hkey_variables, eq->format);
 
                     status = rpc_send_event(eq->buffer_handle, pevent,
                                             pevent->data_size + sizeof(EVENT_HEADER),
                                             BM_WAIT, rpc_mode);
 
                     if (status != SUCCESS) {
                        cm_msg(MERROR, "scheduler", "rpc_send_event error %d", status);
                        goto net_error;
                     }
                  }
 
                  eq->bytes_sent += pevent->data_size + sizeof(EVENT_HEADER);
 
                  if (eq->info.num_subevents)
                     eq->events_sent += eq->subevent_number;
                  else
                     eq->events_sent++;
 
                  rotate_wheel();
               }
 
               actual_millitime = ss_millitime();
 
               /* send event to ODB */
               if (pevent->data_size && (eq_info->read_on & RO_ODB)) {
                  if (actual_millitime - eq->last_called > ODB_UPDATE_TIME) {
                     eq->last_called = actual_millitime;
                     update_odb(pevent, eq->hkey_variables, eq->format);
                     eq->odb_out++;
                  }
               }
 
               /* repeat no more than period */
               if (actual_millitime - readout_start > (DWORD) eq_info->period)
                  break;
 
               /* quit if event limit is reached */
               if (eq_info->event_limit > 0 && eq->stats.events_sent + eq->events_sent >= eq_info->event_limit)
                  break;
            }
         }
 
         /*---- send interrupt events ----*/
         if (eq_info->eq_type & (EQ_INTERRUPT | EQ_MULTITHREAD | EQ_USER)) {
            readout_start = actual_millitime;
 
            do {
               size = receive_trigger_event(eq);
               if ((int) size == -1)
                  goto net_error;
 
               actual_millitime = ss_millitime();
 
               /* repeat no more than period */
               if (actual_millitime - readout_start > (DWORD) eq_info->period)
                  break;
 
               /* quit if event limit is reached */
               if (eq_info->event_limit > 0 && eq->stats.events_sent + eq->events_sent >= eq_info->event_limit)
                  break;
 
            } while (size > 0);
 
            /* send event to ODB */
            pevent = (EVENT_HEADER *) event_buffer;
            if (size > 0 && pevent->data_size && ((eq_info->read_on & RO_ODB) || eq_info->history)) {
               if (actual_millitime - eq->last_called > ODB_UPDATE_TIME && pevent != NULL) {
                  eq->last_called = actual_millitime;
                  update_odb(pevent, eq->hkey_variables, eq->format);
                  eq->odb_out++;
               }
            }
         }
 
         /*---- check if event limit is reached ----*/
         if (eq_info->eq_type != EQ_SLOW && eq_info->event_limit > 0 && eq->stats.events_sent + eq->events_sent >= eq_info->event_limit && run_state == STATE_RUNNING) {
            /* stop run */
            char str[TRANSITION_ERROR_STRING_LENGTH];
            if (cm_transition(TR_STOP, 0, str, sizeof(str), TR_SYNC, FALSE) != CM_SUCCESS)
               cm_msg(MERROR, "scheduler", "cannot stop run: %s", str);
 
            /* check if auto-restart, main loop will take care of it */
            flag = FALSE;
            size = sizeof(flag);
            db_get_value(hDB, 0, "/Logger/Auto restart", &flag, (INT *) &size, TID_BOOL, TRUE);
 
            if (flag) {
               UINT32 delay = 20;
               size = sizeof(delay);
               db_get_value(hDB, 0, "/Logger/Auto restart delay", &delay, (INT *) &size, TID_UINT32, TRUE);
               auto_restart = ss_time() + delay;
            }
 
            /* update event display correctly */
            force_update = TRUE;
         }
      }
 
      /*---- check for error messages periodically -------------------*/
      mfe_error_check();
 
      /*---- call frontend_loop periodically -------------------------*/
      if (frontend_call_loop) {
         status = frontend_loop();
         if (status == RPC_SHUTDOWN || status == SS_ABORT) {
            status = RPC_SHUTDOWN;
            break;
         }
      }
 
      /*---- check for deferred transitions --------------------------*/
      cm_check_deferred_transition();
 
      /*---- check for manual triggered events -----------------------*/
      if (manual_trigger_event_id) {
         old_flag = readout_enabled();
         if (old_flag && lockout_readout_thread)
            readout_enable(FALSE);
 
         /* readout and send event */
         status = BM_INVALID_PARAM;
         for (i = 0; equipment[i].name[0]; i++)
            if (equipment[i].info.event_id == manual_trigger_event_id) {
               status = send_event(i, TRUE);
               break;
            }
 
         manual_trigger_event_id = 0;
 
         if (status != CM_SUCCESS) {
            cm_msg(MERROR, "scheduler", "send_event error %d", status);
            goto net_error;
         }
 
         /* re-enable the interrupt after periodic */
         if (old_flag)
            readout_enable(TRUE);
      }
 
      int overflow = 0;
 
      for (i = 0; equipment[i].name[0]; i++) {
         if (equipment[i].bytes_sent > 0xDFFFFFFF)
            overflow = (int) equipment[i].bytes_sent;
      }
 
      /*---- calculate rates and update status page periodically -----*/
      if (force_update || overflow || (display_period && actual_millitime - last_time_display > (DWORD) display_period)
          || (!display_period && actual_millitime - last_time_display > 3000)) {
         force_update = FALSE;
 
         for (i = 0; equipment[i].name[0]; i++) {
            eq = &equipment[i];
            eq->stats.events_sent += eq->events_sent;
            n_events[i] += (int) eq->events_sent;
            eq->events_sent = 0;
         }
 
         /* calculate rates after requested period */
         if (overflow || (actual_millitime - last_time_rate > (DWORD) get_rate_period())) {
            max_bytes_per_sec = 0;
            for (i = 0; equipment[i].name[0]; i++) {
               eq = &equipment[i];
               double e = n_events[i] / ((actual_millitime - last_time_rate) / 1000.0);
               eq->stats.events_per_sec = ((int)(e * 100 + 0.5)) / 100.0;
 
               e = eq->bytes_sent / 1000.0 / ((actual_millitime - last_time_rate) / 1000.0);
               eq->stats.kbytes_per_sec = ((int)(e * 1000 + 0.5)) / 1000.0;
               
               if ((INT) eq->bytes_sent > max_bytes_per_sec)
                  max_bytes_per_sec = (INT) eq->bytes_sent;
 
               eq->bytes_sent = 0;
               n_events[i] = 0;
            }
 
            max_bytes_per_sec = (INT) ((double) max_bytes_per_sec / ((actual_millitime - last_time_rate) / 1000.0));
 
            last_time_rate = actual_millitime;
         }
 
         /* tcp buffer size evaluation */
         if (optimize) {
            opt_max = MAX(opt_max, (INT) max_bytes_per_sec);
            ss_printf(0, opt_index, "%6d : %5.1lf %5.1lf", opt_tcp_size,
                      opt_max / 1000.0, max_bytes_per_sec / 1000.0);
            if (++opt_cnt == 10) {
               opt_cnt = 0;
               opt_max = 0;
               opt_index++;
               opt_tcp_size = 1 << (opt_index + 7);
               rpc_set_opt_tcp_size(opt_tcp_size);
               if (1 << (opt_index + 7) > 0x8000) {
                  opt_index = 0;
                  opt_tcp_size = 1 << 7;
                  rpc_set_opt_tcp_size(opt_tcp_size);
               }
            }
         }
 
         /* propagate changes in equipment to ODB */
         db_send_changed_records();
 
         if (display_period && !mfe_debug) {
            display(FALSE);
 
            /* check keyboard */
            ch = 0;
            status = 0;
            while (ss_kbhit()) {
               ch = ss_getchar(0);
               if (ch == -1)
                  ch = getchar();
 
               if (ch == '!')
                  status = RPC_SHUTDOWN;
            }
 
            if (ch > 0)
               display(TRUE);
            if (status == RPC_SHUTDOWN)
               break;
         }
 
         if (display_period && mfe_debug) {
            display_inline();
         }
 
         last_time_display = actual_millitime;
      }
 
      /*---- check to flush cache ------------------------------------*/
      if (actual_millitime - last_time_flush > 1000) {
         last_time_flush = actual_millitime;
 
         /* if cache on server is not filled in one second at current
            data rate, flush it now to make events available to consumers */
 
         if (max_bytes_per_sec < gWriteCacheSize) {
            old_flag = readout_enabled();
            if (old_flag && lockout_readout_thread)
               readout_enable(FALSE);
 
            for (i = 0; equipment[i].name[0]; i++) {
               if (equipment[i].buffer_handle) {
                  /* if the same buffer is open multiple times, only flush it once */
                  BOOL buffer_done = FALSE;
                  for (j = 0; j < i; j++)
                     if (equipment[i].buffer_handle == equipment[j].buffer_handle) {
                        buffer_done = TRUE;
                        break;
                     }
 
                  //printf("mfe: eq %d, buffer %d, done %d\n", i, equipment[i].buffer_handle, buffer_done);
 
                  if (!buffer_done) {
                     rpc_flush_event();
                     if (rpc_is_remote()) {
                        err = rpc_call(RPC_BM_FLUSH_CACHE | RPC_NO_REPLY, equipment[i].buffer_handle, BM_NO_WAIT);
                     } else {
                        err = bm_flush_cache(equipment[i].buffer_handle, BM_NO_WAIT);
                     }
                     if ((err != BM_SUCCESS) && (err != BM_ASYNC_RETURN)) {
                        cm_msg(MERROR, "scheduler", "bm_flush_cache(BM_NO_WAIT) returned status %d", err);
                        return err;
                     }
                  }
               }
            }
 
            if (old_flag)
               readout_enable(TRUE);
         }
      }
 
      /*---- check for auto restart --------------------------------*/
      if (auto_restart > 0 && ss_time() > auto_restart) {
         /* check if really stopped */
         size = sizeof(state);
         status = db_get_value(hDB, 0, "Runinfo/State", &state, (INT *) &size, TID_INT, TRUE);
         if (status != DB_SUCCESS)
            cm_msg(MERROR, "scheduler", "cannot get Runinfo/State in database");
 
         if (state == STATE_STOPPED) {
            auto_restart = 0;
            size = sizeof(run_number);
            status =
               db_get_value(hDB, 0, "/Runinfo/Run number", &run_number, (INT *) &size, TID_INT,
                            TRUE);
            assert(status == SUCCESS);
 
            if (run_number <= 0) {
               cm_msg(MERROR, "main", "aborting on attempt to use invalid run number %d",
                      run_number);
               abort();
            }
 
            cm_msg(MTALK, "main", "starting new run");
            status = cm_transition(TR_START, run_number + 1, NULL, 0, TR_SYNC, FALSE);
            if (status != CM_SUCCESS)
               cm_msg(MERROR, "main", "cannot restart run");
         }
      }
 
      /*---- check network messages ----------------------------------*/
      if ((run_state == STATE_RUNNING && interrupt_eq == NULL) || slowcont_eq || frontend_call_loop) {
 
         /* yield 10 ms if no polled equipment present */
         if (polled_eq == NULL && !slowcont_eq && !frontend_call_loop)
            status = cm_yield(10);
         else {
            /* only call yield once every 10ms when running */
            if (actual_millitime - last_time_network > 10) {
               status = cm_yield(0);
               last_time_network = actual_millitime;
            } else
               status = RPC_SUCCESS;
         }
      } else
         /* when run is stopped or interrupts used,
            call yield with 100ms timeout */
         status = cm_yield(100);
 
      /* exit for VxWorks */
      if (fe_stop)
         status = RPC_SHUTDOWN;
 
      /* exit if CTRL-C pressed */
      if (cm_is_ctrlc_pressed())
         status = RPC_SHUTDOWN;
 
   } while (status != RPC_SHUTDOWN && status != SS_ABORT);
 
net_error:
 
   return status;
}

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send_all_periodic_events()

static void send_all_periodic_events ( INT  transition )

static

Definition at line 1048 of file mfe.cxx.

                                                     {
   EQUIPMENT_INFO *eq_info;
   INT i;
 
   for (i = 0; equipment[i].name[0]; i++) {
      eq_info = &equipment[i].info;
 
      if (!eq_info->enabled || equipment[i].status != FE_SUCCESS)
         continue;
 
      if (transition == TR_START && (eq_info->read_on & RO_BOR) == 0)
         continue;
      if (transition == TR_STOP && (eq_info->read_on & RO_EOR) == 0)
         continue;
      if (transition == TR_PAUSE && (eq_info->read_on & RO_PAUSE) == 0)
         continue;
      if (transition == TR_RESUME && (eq_info->read_on & RO_RESUME) == 0)
         continue;
 
      send_event(i, FALSE);
   }
}

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send_event()

static int send_event ( INT  idx, BOOL  manual_trig  )

static

Definition at line 896 of file mfe.cxx.

                                                 {
   EQUIPMENT_INFO *eq_info;
   EVENT_HEADER *pevent, *pfragment;
   char *pdata;
   unsigned char *pd;
   INT i, status;
   DWORD sent, size;
 
   eq_info = &equipment[idx].info;
 
   /* check for fragmented event */
   if (eq_info->eq_type & EQ_FRAGMENTED)
      pevent = (EVENT_HEADER *) frag_buffer;
   else
      pevent = (EVENT_HEADER *) event_buffer;
 
   /* compose MIDAS event header */
   pevent->event_id = eq_info->event_id;
   pevent->trigger_mask = eq_info->trigger_mask;
   pevent->data_size = (INT) manual_trig;
   pevent->time_stamp = ss_time();
   pevent->serial_number = equipment[idx].serial_number++;
 
   equipment[idx].last_called = ss_millitime();
 
   /* call user readout routine */
   *((EQUIPMENT **) (pevent + 1)) = &equipment[idx];
   pevent->data_size = equipment[idx].readout((char *) (pevent + 1), 0);
 
   /* send event */
   if (pevent->data_size) {
      if (eq_info->eq_type & EQ_FRAGMENTED) {
         /* fragment event */
         if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size_frag) {
            cm_msg(MERROR, "send_event",
                   "Event size %ld larger than maximum size %d for frag. ev.",
                   (long) (pevent->data_size + sizeof(EVENT_HEADER)),
                   max_event_size_frag);
            return SS_NO_MEMORY;
         }
 
         /* compose fragments */
         pfragment = (EVENT_HEADER *) event_buffer;
 
         /* compose MIDAS event header */
         memcpy(pfragment, pevent, sizeof(EVENT_HEADER));
         pfragment->event_id |= EVENTID_FRAG1;
 
         /* store total event size */
         pd = (unsigned char *) (pfragment + 1);
         size = pevent->data_size;
         for (i = 0; i < 4; i++) {
            pd[i] = (unsigned char) (size & 0xFF); /* little endian, please! */
            size >>= 8;
         }
 
         pfragment->data_size = sizeof(DWORD);
 
         pdata = (char *) (pevent + 1);
 
         for (i = 0, sent = 0; sent < pevent->data_size; i++) {
            if (i > 0) {
               pfragment = (EVENT_HEADER *) event_buffer;
 
               /* compose MIDAS event header */
               memcpy(pfragment, pevent, sizeof(EVENT_HEADER));
               pfragment->event_id |= EVENTID_FRAG;
 
               /* copy portion of event */
               size = pevent->data_size - sent;
               if (size > max_event_size - sizeof(EVENT_HEADER))
                  size = max_event_size - sizeof(EVENT_HEADER);
 
               memcpy(pfragment + 1, pdata, size);
               pfragment->data_size = size;
               sent += size;
               pdata += size;
            }
 
            /* send event to buffer */
            if (equipment[idx].buffer_handle) {
               status = rpc_send_event(equipment[idx].buffer_handle, pfragment,
                                       pfragment->data_size + sizeof(EVENT_HEADER), BM_WAIT, rpc_mode);
               if (status != RPC_SUCCESS) {
                  cm_msg(MERROR, "send_event", "rpc_send_event(BM_WAIT) error %d", status);
                  return status;
               }
 
               /* flush events from buffer */
               rpc_flush_event();
            }
         }
 
         if (equipment[idx].buffer_handle) {
            /* flush buffer cache on server side */
            status = bm_flush_cache(equipment[idx].buffer_handle, BM_WAIT);
            if (status != BM_SUCCESS) {
               cm_msg(MERROR, "send_event", "bm_flush_cache(BM_WAIT) error %d", status);
               return status;
            }
         }
      } else {
         /* send un-fragmented event */
 
         if (pevent->data_size + sizeof(EVENT_HEADER) > (DWORD) max_event_size) {
            cm_msg(MERROR, "send_event", "Event size %ld larger than maximum size %d",
                   (long) (pevent->data_size + sizeof(EVENT_HEADER)), max_event_size);
            return SS_NO_MEMORY;
         }
 
         /* send event to buffer */
         if (equipment[idx].buffer_handle) {
            status = rpc_send_event(equipment[idx].buffer_handle, pevent,
                                    pevent->data_size + sizeof(EVENT_HEADER), BM_WAIT, rpc_mode);
            if (status != BM_SUCCESS) {
               cm_msg(MERROR, "send_event", "bm_send_event(BM_WAIT) error %d", status);
               return status;
            }
            rpc_flush_event();
            status = bm_flush_cache(equipment[idx].buffer_handle, BM_WAIT);
            if (status != BM_SUCCESS) {
               cm_msg(MERROR, "send_event", "bm_flush_cache(BM_WAIT) error %d", status);
               return status;
            }
         }
 
         /* send event to ODB if RO_ODB flag is set */
         if (eq_info->read_on & RO_ODB) {
            update_odb(pevent, equipment[idx].hkey_variables, equipment[idx].format);
            equipment[idx].odb_out++;
         }
      }
 
      equipment[idx].bytes_sent += pevent->data_size + sizeof(EVENT_HEADER);
      equipment[idx].events_sent++;
   } else
      equipment[idx].serial_number--;
 
   for (i = 0; equipment[i].name[0]; i++)
      if (equipment[i].buffer_handle) {
         status = bm_flush_cache(equipment[i].buffer_handle, BM_WAIT);
         if (status != BM_SUCCESS) {
            cm_msg(MERROR, "send_event", "bm_flush_cache(BM_WAIT) error %d", status);
            return status;
         }
      }
 
   return CM_SUCCESS;
}

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set_equipment_status()

int set_equipment_status	(	const char *	name,
		const char *	equipment_status,
		const char *	status_class
	)

Definition at line 863 of file mfe.cxx.

                                                                                                   {
   int status, idx;
   char str[256];
   HNDLE hKey;
 
   for (idx = 0; equipment[idx].name[0]; idx++)
      if (equal_ustring(equipment[idx].name, name))
         break;
 
   if (equal_ustring(equipment[idx].name, name)) {
      sprintf(str, "/Equipment/%s/Common", name);
      db_find_key(hDB, 0, str, &hKey);
      assert(hKey);
 
      mstrlcpy(str, equipment_status, sizeof(str));
      status = db_set_value(hDB, hKey, "Status", str, 256, 1, TID_STRING);
      assert(status == DB_SUCCESS);
      mstrlcpy(str, status_class, sizeof(str));
      status = db_set_value(hDB, hKey, "Status color", str, 32, 1, TID_STRING);
      assert(status == DB_SUCCESS);
   }
 
   return SUCCESS;
}

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set_rate_period()

void set_rate_period

(

int

ms

)

Definition at line 93 of file mfe.cxx.

                             {
   rate_period = ms;
}

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signal_readout_thread_active()

void signal_readout_thread_active	(	int	index,
		int	flag
	)

Definition at line 1159 of file mfe.cxx.

                                                       {
   readout_thread_active[index] = flag;
}

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stop_readout_threads()

void stop_readout_threads

(

void

)

Definition at line 1143 of file mfe.cxx.

                            {
   _stop_all_threads = true;
}

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tr_pause()

static INT tr_pause ( INT  rn, char *  error  )

static

Definition at line 214 of file mfe.cxx.

                                         {
   INT status;
 
   /* disable interrupts or readout thread */
   readout_enable(FALSE);
 
   status = pause_run(rn, error);
 
   if (status == CM_SUCCESS) {
      run_state = STATE_PAUSED;
      run_number = rn;
 
      send_all_periodic_events(TR_PAUSE);
 
      if (display_period && !mfe_debug)
         ss_printf(14, 2, "Paused  ");
      else
         printf("Paused\n");
   } else
      readout_enable(TRUE);
 
   cm_set_client_run_state(run_state);
   return status;
}

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tr_resume()

static INT tr_resume ( INT  rn, char *  error  )

static

Definition at line 241 of file mfe.cxx.

                                          {
   INT status;
 
   status = resume_run(rn, error);
 
   if (status == CM_SUCCESS) {
      run_state = STATE_RUNNING;
      run_number = rn;
 
      send_all_periodic_events(TR_RESUME);
 
      if (display_period && !mfe_debug)
         ss_printf(14, 2, "Running ");
      else
         printf("Running\n");
 
      /* enable interrupts or readout thread */
      readout_enable(TRUE);
   }
 
   cm_set_client_run_state(run_state);
   return status;
}

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tr_start()

static INT tr_start ( INT  rn, char *  error  )

static

Definition at line 105 of file mfe.cxx.

                                         {
   INT i, status;
 
   /* disable interrupts or readout thread
    * if somehow it was not stopped from previous run */
   readout_enable(FALSE);
 
   /* flush all buffers with EQ_USER events */
   flush_user_events();
 
   /* reset serial numbers and statistics */
   for (i = 0; equipment[i].name[0]; i++) {
      equipment[i].serial_number = 0;
      equipment[i].subevent_number = 0;
      equipment[i].events_collected = 0;
      equipment[i].stats.events_sent = 0;
      equipment[i].stats.events_per_sec = 0;
      equipment[i].stats.kbytes_per_sec = 0;
      equipment[i].odb_in = equipment[i].odb_out = 0;
      n_events[i] = 0;
   }
   db_send_changed_records();
 
   status = begin_of_run(rn, error);
 
   if (status == CM_SUCCESS) {
      run_state = STATE_RUNNING;
      run_number = rn;
 
      send_all_periodic_events(TR_START);
 
      if (display_period && !mfe_debug) {
         ss_printf(14, 2, "Running ");
         ss_printf(36, 2, "%d", rn);
      } else
         printf("Started run %d\n", rn);
 
      /* enable interrupts or readout thread */
      readout_enable(TRUE);
   }
 
   cm_set_client_run_state(run_state);
 
   return status;
}

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tr_stop()

static INT tr_stop ( INT  rn, char *  error  )

static

Definition at line 153 of file mfe.cxx.

                                        {
   INT status, i;
   EQUIPMENT *eq;
 
   /* disable interrupts or readout thread */
   readout_enable(FALSE);
 
   status = end_of_run(rn, error);
 
   /* allow last event to be sent from frontend thread */
   ss_sleep(100);
 
   /* check if event(s) happened just before disabling the trigger */
   check_polled_events();
   check_user_events();
 
   if (status == CM_SUCCESS) {
      /* don't send events if already stopped */
      if (run_state != STATE_STOPPED)
         send_all_periodic_events(TR_STOP);
 
      run_state = STATE_STOPPED;
      run_number = rn;
 
      if (display_period && !mfe_debug)
         ss_printf(14, 2, "Stopped ");
      else
         printf("Run stopped\n");
   } else
      readout_enable(TRUE);
 
   for (i = 0; equipment[i].name[0]; i++) {
      /* flush remaining buffered events */
      rpc_flush_event();
      if (equipment[i].buffer_handle) {
         INT err = bm_flush_cache(equipment[i].buffer_handle, BM_WAIT);
         if (err != BM_SUCCESS) {
            cm_msg(MERROR, "tr_stop", "bm_flush_cache(BM_WAIT) error %d", err);
            return err;
         }
      }
   }
 
   /* update final statistics record in ODB */
   for (i = 0; equipment[i].name[0]; i++) {
      eq = &equipment[i];
      eq->stats.events_sent += eq->events_sent;
      eq->stats.events_per_sec = 0;
      eq->stats.kbytes_per_sec = 0;
      eq->bytes_sent = 0;
      eq->events_sent = 0;
      n_events[i] = 0;
   }
 
   db_send_changed_records();
   cm_set_client_run_state(run_state);
   return status;
}

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update_odb()

static void update_odb ( const EVENT_HEADER *  pevent, HNDLE  hKey, INT  format  )

static

Definition at line 890 of file mfe.cxx.

                                                                           {
   cm_write_event_to_odb(hDB, hKey, pevent, format);
}

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Variable Documentation

_argc

int _argc = 0

static

Definition at line 2428 of file mfe.cxx.

_argv

char** _argv = NULL

static

Definition at line 2429 of file mfe.cxx.

actual_millitime

DWORD actual_millitime = 0

Definition at line 38 of file mfe.cxx.

actual_time

DWORD actual_time = 0

Definition at line 37 of file mfe.cxx.

auto_restart

DWORD auto_restart = 0

Definition at line 51 of file mfe.cxx.

debug

BOOL debug = 0

debug printouts

Definition at line 50 of file mfe.cxx.

event_buffer

void* event_buffer = NULL

Definition at line 65 of file mfe.cxx.

exp_name

char exp_name[NAME_LENGTH]

Definition at line 44 of file mfe.cxx.

fe_stop

INT fe_stop = 0

Definition at line 49 of file mfe.cxx.

frag_buffer

void* frag_buffer = NULL

Definition at line 66 of file mfe.cxx.

frontend_index

INT frontend_index = -1

static

Definition at line 53 of file mfe.cxx.

full_frontend_name

char full_frontend_name[256]

Definition at line 45 of file mfe.cxx.

gWriteCacheSize

int gWriteCacheSize = 0

Definition at line 41 of file mfe.cxx.

hClient

HNDLE hClient = 0

Definition at line 59 of file mfe.cxx.

hDB

HNDLE hDB = 0

main ODB handle

Definition at line 58 of file mfe.cxx.

host_name

char host_name[HOST_NAME_LENGTH]

Definition at line 43 of file mfe.cxx.

interrupt_eq

EQUIPMENT* interrupt_eq = NULL

Definition at line 61 of file mfe.cxx.

lockout_readout_thread

BOOL lockout_readout_thread = TRUE

Definition at line 55 of file mfe.cxx.

manual_trigger_event_id

INT manual_trigger_event_id = 0

Definition at line 52 of file mfe.cxx.

max_bytes_per_sec

INT max_bytes_per_sec = 0

Definition at line 47 of file mfe.cxx.

mfe_debug

BOOL mfe_debug = FALSE

Definition at line 56 of file mfe.cxx.

mfe_error_dispatcher

void(* mfe_error_dispatcher) (const char *)

(

const char *

)

= NULL

Definition at line 2374 of file mfe.cxx.

mfe_error_r

int mfe_error_r

Definition at line 2378 of file mfe.cxx.

mfe_error_str

char mfe_error_str[MFE_ERROR_SIZE][256]

Definition at line 2377 of file mfe.cxx.

mfe_error_w

int mfe_error_w

Definition at line 2378 of file mfe.cxx.

mfe_mutex

MUTEX_T* mfe_mutex = NULL

Definition at line 2379 of file mfe.cxx.

multithread_eq

EQUIPMENT* multithread_eq = NULL

Definition at line 62 of file mfe.cxx.

n_events

int* n_events = NULL

Definition at line 68 of file mfe.cxx.

optimize

INT optimize = 0

Definition at line 48 of file mfe.cxx.

polled_eq

EQUIPMENT* polled_eq = NULL

Definition at line 63 of file mfe.cxx.

rate_period

DWORD rate_period = 0

Definition at line 39 of file mfe.cxx.

rbh

int rbh[MAX_N_THREADS]

static

Definition at line 71 of file mfe.cxx.

readout_thread_active

volatile int readout_thread_active[MAX_N_THREADS]

static

Definition at line 74 of file mfe.cxx.

rpc_mode

INT rpc_mode = 1

Definition at line 27 of file mfe.cxx.

run_number

INT run_number = 0

Definition at line 36 of file mfe.cxx.

run_state

INT run_state = 0

Definition at line 35 of file mfe.cxx.

slowcont_eq

BOOL slowcont_eq = FALSE

Definition at line 64 of file mfe.cxx.

verbosity_level

INT verbosity_level = 0

Definition at line 54 of file mfe.cxx.