DD_GetData.c
59.8 KB
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/*=====================================================================
* DD SYSTEM base package
* DD_Server library
* DD_GetData.c
* V. 6.1
* author: Andrey Fedorov
*
* Last revision:
* May 19 1997: Version 1.0
* 25 February 1999 by A.Grigoriev
* DD_GetData was updated. V.2.0
* Methods of search in SetTime are changed.
* April 12, 2002: NETCDF lib is changed V.3.0
* Oct 10, 2002 Communication prorocol is changed. V 4.0
* Oct 24, 2002 New calculation of thremaximum record size V. 4.1
* work with NC files is now in file ncfileop.c
* May 7, 2003 : V 4.2 Cash work improoved (ncfileop.c also)
* Jan 6, 2004: V 4.3 Error in ID closing is fixed
* Jan 21, 2004: V.4.4 Error in free memory fixed,
* Server can path several new files, and then return
* Aug 12, 2004: V.4.5 New verbatim in the CLOSEID
* Nov 18, 2004: V.4.6 Accomodation of new ncfileop.c
* Mar 15, 2007 V.4.7 Fixed cash bag
* Jul 10, 2007 V.5.0 According to Server protocol 4.5.1
* If "times" has "NODATA" string as name of the file, return "NOTIME"
* New format of VI name (see DDGenProt.lyx)
* Aug 02, 2007 V.5.1 Add WAITEXTCALL flag and LOCK file to GetData routines
* Also global time limits
* Sep 20, 2007 V.5.2 Refrech time limits after database update, database update after Get_Data call
* Sep 23, 2007 V.5.3 Fedorov, New interface for SetTime()
* Sep 24, 2007 V.5.4 Fedorov, Get_Data return is changed
* Sep 25, 2007 V.5.5 Fedorov, Variable minimal gap
* Feb 22, 2008, V.5.6 SetTime bug corrected -> nc_get,,,(...StartID...) not VarL->StartID !!!!
* Mar 06, 2008, V.5.7 SetTime bug corrected ->
* May 03, 2008, V.5.8 GlobalTime limits
* May 06, 2008 V.5.9 Fedorov, Max Records number processing
* May 15, 2008 V.5.10 Fedorov, NoData interval processing. Just go to the next correct data interval.
* May 19, 2008 V.5.11 Fedorov, One record data interval. Time is interpreted as scalar
* May 21, 2008 V.5.12 Fedorov, No data processing
* Apr 11, 2009 V.5.13 Fedorov, Out of global limits
* Apr 13, 2009 V.5.20 Fedorov, Reset of the pointer is in a spectal function
* Apr 13, 2009 V.5.21 Fedorov, Set time between the last record and Stop time
* Dec 8, 2012 V.6.0 Fedorov, New call to get the data structure, New multiparam call
* Jan 11, 2013 V.6.1 Knizhnikova, Fedorov, SlobalStart check, If there is NOVAR, set the corresponding data constants to send the corresponding packet.
*=====================================================================*/
#include <netcdf.h>
#include "DD.h"
#include "DD_comm.h"
/*------------------ GLOBAL VARIABLES --------------------------*/
DD_Var_t **DD_Var ; /* Common for entire server session , all files */
size_t MaxIDNumber; /* The size of DD_Var array. Defined when new DD_Server session starts*/
extern int Verbose;
extern LocalOrigSync(DD_Var_t *Local, DD_Var_t *Orig);
/*#################################################################*/
/*----------------------- OpenInstr -------------------------------*/
/*#################################################################*/
/*
* Open Virtual instrument by VInstrName and return ID.
* Make entry point of DD_Var table
* Fill General attributes fron the INFO file
*/
int OpenInstr(char *VInstrName)
{
char refname[PATHLENGTH]; /* full name of the reference file */
char *ddbase; /* Environment variable DDBASE (path to the DDBASE ROOT)*/
char RInstrName[MAXSETLENGTH]; /* Requested virtual instrument name */
int id; /* ID of open Virtual Instrument */
int refID,nameID; /* ID of reference file and Var in */
static size_t RefStart[2] = {0,0};
static size_t RefCount[2] = {4,PATHLENGTH};
static char RefVar[4][PATHLENGTH];
int len, status;
char *VirInstrP; //Pointer to some part of virtual instrument
unsigned UT[7]; // Buffer array to decode global time
dd_tmstr_t *GTimeP; // Buffer structure to decode global time
/** sleep(60); **/
if(Verbose)
{
fprintf(stderr,"OpenInstr(%s): begin\n",VInstrName);
}
/* Converting original name to the name in database */
strcpy(RInstrName,VInstrName);
VirInstrP = (char *)RInstrName;
while((VirInstrP = strchr(VirInstrP,':')) != NULL) *VirInstrP = '_';
/* Is this name in DD_Var structure ? */
for(id = 0; id < MaxIDNumber; id++)
{
if(DD_Var[id] != NULL)
if(strcmp(RInstrName, DD_Var[id]->InstrName) == 0)
{
if(Verbose) fprintf(stderr,"OpenInstr(%s): VI is already open with ID = %d\n",VInstrName,id);
return(id);
}
}
if(Verbose) fprintf(stderr,"OpenInstr(%s): No such VI in DD_Var array. Create New Entry.\n",VInstrName);
/* Is the empty space in DD_Var table */
id =0;
while((DD_Var[id] != NULL) && (id < MaxIDNumber)) id++;
if(id >= MaxIDNumber)
{
if(Verbose) fprintf(stderr,"OpenInstr(%s): No Room in DD_Var table\n",VInstrName);
return(TOOMANYREQ); /* No room */
}
/**
if(Verbose) fprintf(stderr,"OpenInstr(%s): There is empty plase at %d\n",VInstrName,id);
**/
/* Open reference NC file */
if((ddbase = getenv("DDBASE")) == NULL) return(NOREFFILE);
strcpy(refname,ddbase);
strcat(refname,REFNAME);
status = nc_open(refname, NC_NOWRITE|NC_SHARE,&refID);
if(status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"OpentInstr(%s): open file %s, message: %s\n",VInstrName,refname,nc_strerror(status));
return(NOREFFILE);
}
status = nc_inq_varid(refID,RInstrName,&nameID);
if(status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"OpentInstr(%s): read %s, message: %s\n",VInstrName,RInstrName, nc_strerror(status));
return(NOVAR);
}
status = nc_get_vara_text(refID,nameID,RefStart,RefCount,(char *)RefVar);
if(status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"OpentInstr(%s): %s\n",VInstrName,nc_strerror(status));
return(NOVAR);
}
len = strcspn(RefVar[1]," "); RefVar[1][len] = '\0';
len = strcspn(RefVar[2]," "); RefVar[2][len] = '\0';
len = strcspn(RefVar[0]," "); RefVar[0][len] = '\0';
len = strcspn(RefVar[3]," "); RefVar[3][len] = '\0';
status = nc_close(refID);
/* Create VI holder*/
DD_Var[id] = (DD_Var_t *)malloc(sizeof(DD_Var_t));
/* Init Values */
strcpy(DD_Var[id]->InstrName,RInstrName);
DD_Var[id]->VarData = NULL;
DD_Var[id]->ParamSize = 0;
DD_Var[id]->AttrData.Dimensions = NULL;
DD_Var[id]->AttrData.Variables = NULL;
DD_Var[id]->ncID = -1;
DD_Var[id]->Maxnc_rec = 0;
DD_Var[id]->Cash.ID = -1;
strcpy(DD_Var[id]->path, RefVar[0]);
/*----- Init control Flags ---------------*/
DD_Var[id]->LastPacketFlag = OK;
DD_Var[id]->NewFile = 0;
DD_Var[id]->NewFileWasOpen = 0;
/* ----------------------------------------------------------------
* Open and init "Times" file
* -----------------------------------------------------------------*/
DD_Var[id]->VILocked = 0;
DD_Var[id]->tmID = -1;
strcpy(DD_Var[id]->TimesFileName,RefVar[1]);
if((status = UpdateTimeInfo(DD_Var[id])) < 0) return status;
/* ----------------------------------------------------------------
* Open "Info" file
* -----------------------------------------------------------------*/
/* Attention: Constant information file open and close by request in GetAttribute() */
strcpy(DD_Var[id]->AttrName,RefVar[2]);
DD_Var[id]->attrID = -1;
/*
* Important to make NULL all variables
*/
DD_Var[id]->AttrData.Dimensions = NULL;
DD_Var[id]->AttrData.Variables = NULL;
/**
if(Verbose) fprintf(stderr,"OpentInstr(%s): ID = %d, Atributes are resetted\n",VInstrName,id);
**/
/* -------------------------------------------------------------------
* Set cache file path
*/
strcpy(DD_Var[id]->Cash.CacheFilePath,RefVar[3]);
/* ----------------------------------------------------------------
* Read Global timing and minimal gap from INFO file
* -----------------------------------------------------------------*/
if((status = GetAttribute(id, GLOBSTARTNAME)) < 0) DD_Var[id]->GlobalStart = 0.0;
else
{
sscanf((char *)((DD_Var[id]->AttrData).Variables[0]), ISOTIMEF, &UT[0],&UT[1],&UT[2],&UT[3],&UT[4],&UT[5],&UT[6]);
SetDouble(GTimeP = UT2double(UT));
DD_Var[id]->GlobalStart = GTimeP->times;
}
if((status = GetAttribute(id, GLOBSTOPNAME)) < 0) DD_Var[id]->GlobalStop = 1.0e11;
else
{
sscanf((char *)((DD_Var[id]->AttrData).Variables[0]), ISOTIMEF, &UT[0],&UT[1],&UT[2],&UT[3],&UT[4],&UT[5],&UT[6]);
SetDouble(GTimeP = UT2double(UT));
DD_Var[id]->GlobalStop = GTimeP->times;
}
if((status = GetAttribute(id, SAMPLNAME)) < 0) DD_Var[id]->MinGap = MINGAP;
else
{
DD_Var[id]->MinGap = *((double *)((DD_Var[id]->AttrData).Variables[0])) * 5.0;
if(DD_Var[id]->MinGap < MINGAP) DD_Var[id]->MinGap = MINGAP;
}
/* ----------------------------------------------------------------
* Read External archiving info
* -----------------------------------------------------------------*/
DD_Var[id]->ExtCallAllowed = 0;
if((status = GetAttribute(id, REMARCHNAME)) < 0)
{
if(Verbose) fprintf(stderr,"OpentInstr(%s):RemBase:GetAttribute(%s): %s\n", VInstrName,REMARCHNAME, nc_strerror(status));
DD_Var[id]->ExtCallAllowed = 0;
DD_Var[id]->BaseName[0] = '\0';
DD_Var[id]->RemSetID[0] = '\0';
}
else
{
strcpy(DD_Var[id]->BaseName,(DD_Var[id]->AttrData).Variables[0]);
if((status = GetAttribute(id, REMINSTNAME)) < 0)
{
DD_Var[id]->ExtCallAllowed = 0;
if(Verbose) fprintf(stderr,"OpentInstr(%s):RemInstr: %s\n",VInstrName,nc_strerror(status));
}
else
{
DD_Var[id]->ExtCallAllowed = 1;
strcpy(DD_Var[id]->RemSetID,(DD_Var[id]->AttrData).Variables[0]);
}
}
if(Verbose) fprintf(stderr,"OpentInstr(%s): GStart: %f GStop: %f\n",VInstrName,DD_Var[id]->GlobalStart,DD_Var[id]->GlobalStop);
if(Verbose) fprintf(stderr,"OpentInstr(%s): RemBase: %s RemInstr: %s\n",VInstrName,DD_Var[id]->BaseName,DD_Var[id]->RemSetID);
if(Verbose) fprintf(stderr,"DD_GetData:OpentInstr: New ID = %d\n",id);
return(id);
}
/*-------------------------------------------------------------------------------*/
/*###########################################################*/
/*------------------- CLOSEID -------------------------------*/
/*###########################################################*/
int CloseID(int ID)
/*
* Closes this ID and return number of IDs remained in use
*/
{
int status;
int i,il, count = 0;
/* Is this ID */
if(Verbose) fprintf(stderr,"CloseID(%d)\n",ID);
if(ID >= MaxIDNumber) return(1); /* Everythig is OK */
if(DD_Var[ID] != NULL)
{
/**
if(Verbose) fprintf(stderr,"CloseID(%d): ID exists, start termination\n",ID);
**/
/*------ Close all netCDF files -----*/
if(DD_Var[ID]->ncID >= 0)
{
status = nc_close(DD_Var[ID]->ncID);
DD_Var[ID]->ncID = -1;
Cache_ReleaseDataFileAccess(DD_Var[ID]);
/**
if(Verbose) fprintf(stderr,"CloseID(%d): Data File is closed\n",ID);
**/
}
//Close cache file
Cache_CloseFile(DD_Var[ID]);
if(DD_Var[ID]->attrID >= 0)
{
status = nc_close(DD_Var[ID]->attrID);
DD_Var[ID]->attrID = -1;
/**
if(Verbose) fprintf(stderr,"CloseID(%d): Info File is closed\n",ID);
**/
}
if(DD_Var[ID]->tmID >= 0)
{
status = nc_close(DD_Var[ID]->tmID);
DD_Var[ID]->tmID = -1;
/**
if(Verbose) fprintf(stderr,"CloseID(%d): Times File is closed\n",ID);
**/
}
/*==========================================================
* FREE MEMORY Variable Data
*==========================================================*/
for(il = 0; il < DD_Var[ID]->ParamSize; il++)
{
for(i = 0; i < DD_Var[ID]->VarData[il].VarNumber; i++)
{
if (Verbose) fprintf(stderr,"CloseID(%d): %d, ptr %p\n",ID,i,DD_Var[ID]->VarData[il].Variables[i]);
free(DD_Var[ID]->VarData[il].Variables[i]);
// DD_Var[ID]->VarData[il].VarNumber = 0;
}
//EB - 19/01/16 - OUT of i-loop!!!
DD_Var[ID]->VarData[il].VarNumber = 0;
free(DD_Var[ID]->VarData[il].Dimensions);
}
if(DD_Var[ID]->ParamSize > 0) free(DD_Var[ID]->VarData);
/**
if(Verbose) fprintf(stderr,"CloseID(%d): Free VarData\n",ID);
**/
if(DD_Var[ID]->AttrData.Variables != NULL)
{
/**
if (Verbose)
fprintf(stderr,"CloseID(%d): Free AttrData.Variables[0] = %p\n",ID,DD_Var[ID]->AttrData.Variables[0]);
**/
if (DD_Var[ID]->AttrData.Variables[0] != NULL)
{
free(DD_Var[ID]->AttrData.Variables[0]);
DD_Var[ID]->AttrData.Variables[0] = NULL;
}
}
free(DD_Var[ID]);
DD_Var[ID] = NULL;
if(Verbose) fprintf(stderr,"CloseID(%d): Free DD_Var\n",ID);
}
/* Count determination */
for(i = 0; i < MaxIDNumber; i++) if(DD_Var[i] != NULL) count++;
return(count);
}
/*###########################################################*/
/*------------------ GETATTRIBUTE ---------------------------*/
/*###########################################################*/
int GetAttribute(int ID, char *VarName)
/*
* Get information variable by ID and variable
* name. Fill Variable structure
*/
{
int VarID; /* ID of requested Variable */
static size_t DimArray[NC_MAX_DIMS];
static int IntDimArray[NC_MAX_DIMS];
static int DimIDArray[NC_MAX_DIMS];
static size_t start[NC_MAX_DIMS];
static void *CommonAttrPnt = NULL; /* Pointer to the Atributes for ALL ID's */
static nc_type type;
size_t count = 1;
int i, status;
/* Check the ID */
if(DD_Var[ID] == NULL) return(NOID);
if(Verbose) fprintf(stderr,"GetAttribute(%d): Name = %s\n",ID,VarName);
/* Free memory for data */
if(DD_Var[ID]->AttrData.Dimensions == NULL)
DD_Var[ID]->AttrData.Dimensions = (int *)IntDimArray;
if(DD_Var[ID]->AttrData.Variables == NULL)
DD_Var[ID]->AttrData.Variables = &CommonAttrPnt; /* Static pointer -> Variables[0] */
if(DD_Var[ID]->AttrData.Variables[0] != NULL) /* Only one variable exists (no time) */
{
/**/
if (Verbose) fprintf(stderr,"GetAttribute(%d):Free AttrData.Variables[0] = %p\n", ID,DD_Var[ID]->AttrData.Variables[0]);
/**/
free(DD_Var[ID]->AttrData.Variables[0]);
DD_Var[ID]->AttrData.Variables[0] = NULL;
}
/* Try to open constant information data */
status = nc_open(DD_Var[ID]->AttrName,NC_NOWRITE,&(DD_Var[ID]->attrID)); /* Constant information */
if(status!= NC_NOERR)
{
if(Verbose) fprintf(stderr,"GetAttribute(%d): %s\n",ID,nc_strerror(status));
return(NOINFOFILE);
}
/* Get ID for queired variable. If not return */
status = nc_inq_varid(DD_Var[ID]->attrID,VarName,&VarID);
if(status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GetAttribute(%d): %s\n",ID,nc_strerror(status));
return(NOVAR);
}
/* Get invormation about queried variable */
status = nc_inq_vartype(DD_Var[ID]->attrID,VarID,&type); /* Type of variable */
status = nc_inq_varndims(DD_Var[ID]->attrID,VarID,&(DD_Var[ID]->AttrData.DimNumber)); /* Number of dimansions */
status = nc_inq_vardimid(DD_Var[ID]->attrID,VarID,DimIDArray); /* Array of dimensions IDs */
if(status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
if(DD_Var[ID]->AttrData.DimNumber == 0)
{
DD_Var[ID]->AttrData.DimNumber = 1;
DimArray[0] = 1;
IntDimArray[0] = 1;
}
else
for(i = 0; i < DD_Var[ID]->AttrData.DimNumber; i++)
{
status = nc_inq_dimlen( DD_Var[ID]->attrID,DimIDArray[i],&(DimArray[i])); /* Dimensions values */
if(status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
IntDimArray[i] = (int)DimArray[i];
}
/* Define type of variable */
switch(type)
{
case NC_DOUBLE: DD_Var[ID]->AttrData.type = DD_DOUBLE; break;
case NC_CHAR: DD_Var[ID]->AttrData.type = DD_CHAR; break;
case NC_FLOAT: DD_Var[ID]->AttrData.type = DD_FLOAT; break;
case NC_SHORT: DD_Var[ID]->AttrData.type = DD_SHORT; break;
case NC_INT: DD_Var[ID]->AttrData.type = DD_INT;
}
/* Setting Dimensions attributes to get data */
for(i = 0; i < DD_Var[ID]->AttrData.DimNumber; i++) count = count * DimArray[i];
/* Alocating memory for data */
DD_Var[ID]->AttrData.Variables[0] = (void *)malloc(unixlen[DD_Var[ID]->AttrData.type]*count);
/*
if (Verbose)
fprintf(stderr,"Malloc DD_Var[%d]->AttrData.Variables[0] = %p\n",ID,DD_Var[ID]->AttrData.Variables[0]);
*/
switch(type)
{
case NC_DOUBLE: status = nc_get_vara_double(DD_Var[ID]->attrID,VarID,start,DimArray,(double *)DD_Var[ID]->AttrData.Variables[0]);
if (status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
break;
case NC_CHAR: status = nc_get_vara_text(DD_Var[ID]->attrID,VarID,start,DimArray,(char *)DD_Var[ID]->AttrData.Variables[0]);
if (status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
break;
case NC_FLOAT: status = nc_get_vara_float(DD_Var[ID]->attrID,VarID,start,DimArray,(float *)DD_Var[ID]->AttrData.Variables[0]);
if (status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
break;
case NC_SHORT: status = nc_get_vara_short(DD_Var[ID]->attrID,VarID,start,DimArray,(short *)DD_Var[ID]->AttrData.Variables[0]);
if (status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
break;
case NC_INT: status = nc_get_vara_long(DD_Var[ID]->attrID,VarID,start,DimArray,(long *)DD_Var[ID]->AttrData.Variables[0]);
if (status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"GETATTR: %s\n",nc_strerror(status));
return(NOVAR);
}
}
if(DD_Var[ID]->attrID >= 0) nc_close(DD_Var[ID]->attrID);
DD_Var[ID]->attrID = -1;
return(1);
}
/*--------------------------------------------------------------*/
/*##############################################################
*# GetMultiData() #
/*##############################################################*/
int GetMultiData(int ID, int VarSize, char **VarNames, char *TimeInt, int BackFlag)
/*
* Create static DD_data_t variables array and return its pointer.
* After open a new file the function refreshes variable dimensions
* Data are returned by portions until end of requested interval.
* Return MOREDATA or OK, or error value.
* If requsted variable is "Time", then it converts into "double" form.
* The rool of this routine: DO NOT CALL SetNewFile if VI is locked,
* If VI have been locked and then have been releesed, Times has to be updated and
* SetTime has to be redone.
*/
{
static int *VarID = NULL; /* IDs of requested Parameters of this VI */
static char TimeStr[TIMELENGTH];
static char TimeName[] = "Time";
static int TimeID;
//static size_t DimArray[NC_MAX_DIMS];
static size_t **DimArrayS = NULL; /* Several Dimensions arrays */
size_t *DimArray; /* Local Dimension Array (for the specific parameter */
static int DimIDArray[NC_MAX_DIMS];
static nc_type type;
static size_t start[NC_MAX_DIMS];
static size_t TimeCount[2] = {1,TIMELENGTH};
static size_t TimeStart[2] = {0,0};
static int Scalar = 0; /* indicator of scalar value */
static int String = 0; /* indicator of single (not timed) string March 9 1997 */
static int TimeTypeValue = 0; /* indicator of time type value */
static size_t RecordSize; /* Size of one record in terms of variables of specified type */
static size_t *PacketSize=NULL; /* Packets sizes of one record (of specified variable) */
static size_t RecordNumber; /* Variable maximal number of records in one packet */
int i,il;
int DimNumber;
int err2,status;
int CurrncID;
/*-------------------------------------------------------------
* Following variables subsitute fields in DD_Var to save a time
*------------------------------------------------------------*/
static DD_Var_t Local;
/** sleep(60); **/
/** if(Verbose)
{
for(il = 0; il < VarSize; il++)
fprintf(stderr,"GetMultiData(ID=%d), VarName=%s,Timeint=%s)\n",ID,VarNames[il],TimeInt);
fprintf(stderr,"GeMultitData(ID=%d) LastPacket: %d FileStatus: %d NewFile: %d NFWasOpen: %d\n",ID,
DD_Var[ID]->LastPacketFlag,
DD_Var[ID]->LastFileStatus,
DD_Var[ID]->NewFile,
DD_Var[ID]->NewFileWasOpen);
fprintf(stderr,"GetMultiData(ID=%d), DD_Var[ID]->VarData = %p\n",ID,DD_Var[ID]->VarData);
}
**/
/* Check the ID and reset the variable number*/
if(DD_Var[ID] == NULL) return(NOID);
//if(FirstFlag) { DD_Var[ID]->ParamSize = 0; FirstFlag = 0;}
/* sleep(30); */ /* To give possibility to start gdb */
/*===================================================
* Free data from the previous requests
* BUT the data dimensions are not removed YET
* Probably we have just fill new portion of the same data
*==================================================*/
for(il = 0; il < DD_Var[ID]->ParamSize; il++)
{
for(i = 0; i < DD_Var[ID]->VarData[il].VarNumber; i++)
{
//if (Verbose) fprintf(stderr," FREE ID = %d, il = %d, i = %d ptr %p\n",ID,il,i,DD_Var[ID]->VarData[il].Variables[i]);
free(DD_Var[ID]->VarData[il].Variables[i]);
// DD_Var[ID]->VarData[il].VarNumber = 0;
}
//EB - 19/01/16 - OUT of i-loop!!!
DD_Var[ID]->VarData[il].VarNumber = 0;
//BRE - 17/09/15 - Free variables !!
if(((DD_Var[ID]->LastPacketFlag == OK) || DD_Var[ID]->NewFile) && (DD_Var[ID]->VarData[il].Variables != NULL)) // Request been finished or
// System was trying to open new file
{
free(DD_Var[ID]->VarData[il].Variables);
DD_Var[ID]->VarData[il].Variables = NULL;
}
}
/*============================================================================
*###### Check if we need to refresh entire information about parameters #####
*###### We have to renovate ALL if previous request been finished or #####
*###### new file was open during previous entry #####
*============================================================================*/
if((DD_Var[ID]->LastPacketFlag == OK) || DD_Var[ID]->NewFile) // Request been finished or
// System was trying to open new file
{
if(DD_Var[ID]->ncID < 0) return NOPOINTER; /* Time has been not set */
if(Verbose) fprintf(stderr,"GetMultiData(%d): Parameters Info should be updated\n", ID);
/** sleep(60); **/
/*---------------------------------------------------------------------
* Look if the LastFileStatus has an error
*--------------------------------------------------------------------*/
switch(DD_Var[ID]->LastFileStatus)
{
case OK: break; /* Data file was open succesfully */
case CACHTOOREC: /* There was no free place in the CACH */
case TRYAGAIN: /* VI was blocked */
case WAITEXTCALL: /* New data was requested at external database */
if(Verbose) fprintf(stderr,"GetData(%d): There was WAITEXTCALL, I am trying again\n",ID);
/* We have to check if VI is unlocked */
switch(IsTimesLocked(&Local))
{
case NOLOCK: break;
case LOCKED:
if(Verbose) fprintf(stderr,"GetData(%d): Data base is still locked\n",ID);
DD_Var[ID]->VILocked = Local.VILocked;
return MOREDELAY; break;
case LOCKREMOVED: UpdateTimeInfo(&Local);
LocalOrigSync(&Local,DD_Var[ID]);
SetTime(&Local,Local.CDTime); /* Return to the original status */
if(Verbose) fprintf(stderr,"GetData(%d):Lock Was removed, SetTime again",ID);
}
switch(DD_Var[ID]->LastFileStatus = SetNewFile(&Local,1)) /* Only LOCAL work in our case !*/
{
case OK: break; /* New file is open, go on */
case CACHTOOREC: /* There was no free place in the CACH */
case TRYAGAIN: /* VI was blocked */
case WAITEXTCALL: /* New data was requested */
DD_Var[ID]->VILocked = Local.VILocked; /* Tell Original holder that it is locked */
DD_Var[ID]->NewFile = 1;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
if(Verbose) fprintf(stderr,"GetData(%d): We have to wait again: %d\n",ID,status);
return MOREDELAY;
break;
case OUTOFTIME:
if(Verbose) fprintf(stderr,"GetData(%d): OUTOFTIME while requested new file %d\n",ID,status);
DD_Var[ID]->LastFileStatus = OUTOFTIME;
DD_Var[ID]->LastPacketFlag = OK; /* Just to show that this request is completed */
return DD_Var[ID]->LastFileStatus;
break;
default:
if(Verbose) fprintf(stderr,"GetData(%d): Unrecoverable error: %d\n",ID,status);
DD_Var[ID]->LastPacketFlag = OK; /* Just to show that this request is completed */
return DD_Var[ID]->LastFileStatus;
}
break;
case OUTOFTIME: // Nothing to do with this request. New set time is needed
if(Verbose) fprintf(stderr,"GetData(%d): Previous call gave OUTOFTIME, return\n",ID);
return DD_Var[ID]->LastFileStatus;
break;
default: /* The error is unrecoverable */
if(Verbose) fprintf(stderr,"GetData(%d): Unrecoverable error: %d\n",ID,status);
return DD_Var[ID]->LastFileStatus;
}
/*-----------------------------------------------------------------------------
* Data file is open. It is time to refresh information about parameters
*----------------------------------------------------------------------------*/
for(il = 0; il < DD_Var[ID]->ParamSize; il++) // Free existing dimensions
{
if(DD_Var[ID]->VarData[il].Dimensions != NULL) {free(DD_Var[ID]->VarData[il].Dimensions); DD_Var[ID]->VarData[il].Dimensions = NULL;}
if(DimArrayS[il] != NULL) {free(DimArrayS[il]); DimArrayS[il] = NULL;}
}
if(DD_Var[ID]->ParamSize > 0)
{
if(DD_Var[ID]->VarData != NULL) { free(DD_Var[ID]->VarData); DD_Var[ID]->VarData = NULL;}
free(VarID);
free(PacketSize);
free(DimArrayS);
}
DD_Var[ID]->ParamSize = (size_t)VarSize;
/*--------------------------------------------
* Create a new holder according to the parameters number
*--------------------------------------------*/
DD_Var[ID]->VarData = (DD_data_t *)malloc(sizeof(DD_data_t) * VarSize);
VarID = (int *)malloc(sizeof(int) * VarSize);
PacketSize = (size_t *)malloc(sizeof(size_t) * VarSize);
DimArrayS = (size_t **)malloc(sizeof(size_t *) * VarSize);
for(il = 0; il < DD_Var[ID]->ParamSize; il++) DimArrayS[il] = NULL;
/*----------------------------------------------------
* Decide which ncID we are using
*---------------------------------------------------*/
if(DD_Var[ID]->NewFile == 1) CurrncID = Local.ncID;
else CurrncID = DD_Var[ID]->ncID;
/*------------------------------------------------
* Calculation what number of records
* of the maximaly sized variable we can transmit
*-----------------------------------------------*/
RecordNumber = MaxRecord(CurrncID);
if(RecordNumber <= 0)
{
if(Verbose) fprintf(stderr,"GetMultiData(%d): Error in calculation of records number\n",ID);
return(INTSERERR);
}
/*---------------------------------------------
* Define time ID
*--------------------------------------------*/
status = nc_inq_varid(CurrncID,TimeName,&TimeID);
/*------------------------------------------------------------------------------------------
* Reseting VarNumber and create a new local data structure
* Also we need to set Time limit constants
*------------------------------------------------------------------------------------------*/
if(DD_Var[ID]->LastPacketFlag == OK) /* Very new request, after SetTime() */
{
TimeStart[0] = DD_Var[ID]->nc_rec;
status = nc_get_vara_text(DD_Var[ID]->ncID,TimeID,TimeStart,TimeCount,TimeStr);
DD_Var[ID]->CDTime = DD_Time2Double(TimeStr); /* Current time of record */
DD_Var[ID]->SDTime = DD_Var[ID]->CDTime; /* Start time of record */
DD_Var[ID]->FDTime = DD_Var[ID]->SDTime + DD_Time2Double(TimeInt);
}
DD_Var[ID]->NewFile = 0; /* Forget that it was new file */
/*--------------------------------------------------
* Get Dimensions and allocate memory for all
* requested parameters
*-------------------------------------------------*/
for(il = 0; il < VarSize; il++)
{
DD_Var[ID]->VarData[il].VarNumber = 0;
status = nc_inq_varid(CurrncID,VarNames[il],&(VarID[il]));
if (status != NC_NOERR)
{
if(Verbose)
{
fprintf(stderr,"MultiData(%d): NCDF message: %s\n",ID,nc_strerror(status));
fprintf(stderr,"MultiData(%d): Parameter %s not found\n",ID,VarNames[il]);
}
VarID[il] = NOVAR; /* NOVAR */
}
/*--------------------------------------------------------
* Get dimensions number and its type
*------------------------------------------------------*/
if(VarID[il] != NOVAR)
{
DimArrayS[il] = (size_t *)malloc(sizeof(size_t) * NC_MAX_DIMS);
DimArray = DimArrayS[il]; // Just a local pointer
status = nc_inq_vartype(CurrncID,VarID[il],&type);
status = nc_inq_varndims(CurrncID,VarID[il],&DimNumber);
//if(Verbose) fprintf(stderr,"GetMultiData(%d): Dimensions(%d) number = %d\n",ID,il,DimNumber);
status = nc_inq_vardimid(CurrncID,VarID[il],DimIDArray);
if(DimNumber == 0)
{
DD_Var[ID]->VarData[il].DimNumber = 1;
DimArray[1] = 1;
Scalar = 1; // For one parameter call only
}
else /* Filling the array of Dimensions */
{
for(i = 0; i < DimNumber; i++) status = nc_inq_dimlen(CurrncID,DimIDArray[i],&(DimArray[i]));
}
/*--------------- Several special trucks for single variables (without time) ---------*/
if((DimArray[0]<2) && (DimIDArray[0] != 0)) Scalar = 1; /* If the first dimension is not TIME and lenrgth is 1 or 0 */
if((type == NC_CHAR) && (DimNumber < 2)) String = 1;
if(String == 0) DimArray[0] = 1; else DimArray[1] = DimArray[0];
if((String == 0) && (DimNumber == 1)) { DimArray[1] = 1; DimNumber = 2;}
if(DimNumber > 1) DD_Var[ID]->VarData[il].DimNumber = DimNumber -1;
else DD_Var[ID]->VarData[il].DimNumber = 1;
/*----------------------------------------------------------
* Create dimensions, and fill the dimensions array
*--------------------------------------------------------*/
DD_Var[ID]->VarData[il].Dimensions = (int *)malloc(sizeof(int)*DimNumber);
for(i = 0; i < DD_Var[ID]->VarData[il].DimNumber; i++)
{
(DD_Var[ID]->VarData[il].Dimensions)[i] = (int)DimArray[i+1];
//if(Verbose) fprintf(stderr,"GetMultiData(%d): Dimensions(%d): dim[%d] = %d\n",ID,il,i,(int)DimArray[i+1]);
}
/*---------------------------------------------------------------------
* Set Variable type
*-------------------------------------------------------------------*/
switch(type)
{
case NC_DOUBLE: DD_Var[ID]->VarData[il].type = DD_DOUBLE; break;
case NC_CHAR: DD_Var[ID]->VarData[il].type = DD_CHAR; break;
case NC_FLOAT: DD_Var[ID]->VarData[il].type = DD_FLOAT; break;
case NC_SHORT: DD_Var[ID]->VarData[il].type = DD_SHORT; break;
case NC_INT: DD_Var[ID]->VarData[il].type = DD_INT; break;
case NC_BYTE: DD_Var[ID]->VarData[il].type = DD_CHAR; break;
default: DD_Var[ID]->VarData[il].type = DD_CHAR;
}
/*-------------------------------------------------------------------------
* Calculate the corresponding record size,
* an allocate memory to fit the RecordNumber records
*------------------------------------------------------------------------*/
RecordSize = 1;
for(i = 1; i < DimNumber; i++)
{
RecordSize = RecordSize * DimArray[i];
start[i] = 0;
}
if(String == 1) RecordSize = DimArray[0]; /* March 9 1997 */
PacketSize[il] = RecordSize*unixlen[DD_Var[ID]->VarData[il].type];
DD_Var[ID]->VarData[il].Variables = (void **)malloc(sizeof(void *) * RecordNumber);
/*
if (Verbose)
fprintf(stderr," Malloc: DD_Var[%d]->VarData[%d].Variables = %p\n",ID, il, DD_Var[ID]->VarData[il].Variables);
*/
}
else
{
DD_Var[ID]->VarData[il].type = NOVAR; /* To indicate absence of this variable */
PacketSize[il] = 0;
DD_Var[ID]->VarData[il].DimNumber = 0;
DD_Var[ID]->VarData[il].VarNumber = 0;
PacketSize[il] = 0;
}
} /* FOR il */
/*-------------------------------------------
* Create a Local structure
*------------------------------------------- */
if(DD_Var[ID]->LastPacketFlag == OK) /* Very new request, after SetTime() */
{
memcpy((void *)&Local, (void *)DD_Var[ID], sizeof(DD_Var_t)); /*--- Local structure if it is new request */
//if(Verbose) fprintf(stderr,"GetData(%d): DD_Var[ID] -> Local\n",ID);
}
if(Verbose) fprintf(stderr,"GetMultiData(ID=%d), Created Local, DD_Var[ID]->VarData = %p\n",ID,DD_Var[ID]->VarData);
}
/*#######################################################################*/
/* End of refresh information about variable in case of new file
* or new request */
/*#######################################################################*/
/*=================================================================
* GET DATA
*=================================================================*/
if ((Scalar == 1) || (String == 1)) DD_Var[ID]->LastPacketFlag = OK;
else DD_Var[ID]->LastPacketFlag = MOREDATA;
/*===========================================================
* The loop to get data until time or file finish
*===========================================================*/
do
{
/*----------------------------------------
* Get memory for each variable
*-----------------------------------------*/
for(il = 0; il < VarSize; il++)
{
if( DD_Var[ID]->VarData[il].type >= 0)
{
DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber] = (void *)malloc(PacketSize[il]);
/*
if (Verbose)
fprintf(stderr,"Malloc: DD_Var[%d]->VarData[%d].Variables[%d] = %p, Size = %d\n",ID, il,
DD_Var[ID]->VarData[il].VarNumber,
DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber],
PacketSize[il]);
*/
}
}
if((Scalar == 1) || (String == 1))
{
start[0] = 0;
}
else /* Setup start and looking for a time limit */
{
/*---------- Define START from LOCAL struct and read current Time ----------*/
start[0] = Local.nc_rec;
TimeStart[0] = Local.nc_rec;
status = nc_get_vara_text(Local.ncID,TimeID,TimeStart,TimeCount,TimeStr);
Local.CDTime = DD_Time2Double(TimeStr); /* Current time of record */
//fprintf(stderr,"GetData(%d): Start %f Current %f Stop %f\n",ID,Local.SDTime,Local.CDTime,Local.FDTime);
//-------------- Check if we have to return by time --------------
if(Local.CDTime > Local.FDTime) /* Return by time. All problem will path to the next GetData */
{
/* If new file was open we have to return to original file */
if(Verbose) fprintf(stderr,"GetData(%d): Stop By Time\n",ID);
SetOriginPointer(&Local, ID);
/*------- Free reserved for nothing last array -------------*/
for(il = 0; il < VarSize; il++)
{
if(DD_Var[ID]->VarData[il].type >= 0)
{
free(DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
/*
if (Verbose)
fprintf(stderr,"Free: DD_Var[%d]->VarData[%d].Variables[%d], Pntr %p\n",ID, il, DD_Var[ID]->VarData[il].VarNumber, DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
*/
}
}
return OK;
} //--------- End return by time ---------------
}
/*-------------------------------------------------------
* Get Data according to its type
*-------------------------------------------------------*/
for(il = 0; il < VarSize; il++)
{
if( DD_Var[ID]->VarData[il].type >= 0)
{
DimArray = DimArrayS[il];
/*
if(Verbose)
{
for (i = 0; i < DD_Var[ID]->VarData[il].DimNumber+1; i++)
fprintf(stderr,"GetMultiData(%d): Variable[%d], Dimension[%d] DimSize = %d\n", ID, il, i,DimArray[i]);
fprintf(stderr,"VarID[%d] = %d, type = %d\n",il, VarID[il],DD_Var[ID]->VarData[il].type);
}
*/
switch(DD_Var[ID]->VarData[il].type)
{
case DD_DOUBLE: status = nc_get_vara_double(Local.ncID, VarID[il], start, DimArray,
(double *)DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
break;
case DD_INT: status = nc_get_vara_int(Local.ncID, VarID[il], start, DimArray,
(int *)DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
break;
case DD_FLOAT: status = nc_get_vara_float(Local.ncID, VarID[il], start, DimArray,
(float *)DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
// if(Verbose) fprintf(stderr,"(Variable[%d])[0] = %f\n",il,((float *)DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber])[0]);
break;
case DD_SHORT: status = nc_get_vara_short(Local.ncID, VarID[il], start, DimArray,
(short *)DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
break;
case DD_CHAR: status = nc_get_vara_text(Local.ncID, VarID[il], start, DimArray,
(char *)DD_Var[ID]->VarData[il].Variables[DD_Var[ID]->VarData[il].VarNumber]);
} /* End of switch */
DD_Var[ID]->VarData[il].VarNumber++;
} /* if not NOVAR */
} /* for il */
/*------ Return immediately if it is just one record ------------*/
if ((Scalar == 1) || (String == 1)) return OK;
/*---- Now we have to decide if we opVarNamesen a new file to continue ------------*/
if(DD_Var[ID]->LastPacketFlag == MOREDATA) /* Timed variable (no scalar) */
{
Local.nc_rec++;
/*======================================================================
* The next procedure runs if the current file is finished and we have
* to open a new file (or look for external data source
*=====================================================================*/
if(Local.nc_rec > Local.Maxnc_rec - 1)
{
if(Verbose) fprintf(stderr,"GetData(%d): Stop By EOF\n",ID);
/* Before open new file we have to check the LOCK status */
switch(IsTimesLocked(&Local))
{
case NOLOCK: break;
case LOCKED: DD_Var[ID]->LastFileStatus = TRYAGAIN;
DD_Var[ID]->VILocked = Local.VILocked; /* Tell Original holder that it is locked */
DD_Var[ID]->NewFile = 1;
DD_Var[ID]->NewFileWasOpen = 1;
return MOREDELAY; break;
case LOCKREMOVED: UpdateTimeInfo(&Local);
LocalOrigSync(&Local,DD_Var[ID]);
SetTime(&Local,Local.CDTime); /* Return to the original status */
}
switch(DD_Var[ID]->LastFileStatus = SetNewFile(&Local,1))
{
case OK: // Everything is OK
DD_Var[ID]->LastPacketFlag = MOREDATA;
DD_Var[ID]->NewFile = 1; // We have to reset all variables
DD_Var[ID]->NewFileWasOpen = 1;
//BRE - Update the current opened file
DD_Var[ID]->CurrCushN = Local.CurrCushN;
DD_Var[ID]->ncID = Local.ncID;
if(Verbose) fprintf(stderr,"GetMultiData(ID=%d), Retun by EOF, MOREDATA, DD_Var[ID]->VarData = %p\n",ID,DD_Var[ID]->VarData);
return MOREDATA;
case TRYAGAIN: // just wait and try again
if(Verbose) fprintf(stderr,"GetData(%d): Open New File return TRYAGAIN\n",ID);
DD_Var[ID]->NewFile = 1;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
DD_Var[ID]->VILocked = Local.VILocked; /* Tell Original holder that it is locked */
return MOREDELAY;
case WAITEXTCALL: // just wait and try again
if(Verbose) fprintf(stderr,"GetData(%d): Open New File returned WAITEXTCALL\n",ID);
DD_Var[ID]->VILocked = Local.VILocked; /* Tell Original holder that it is locked */
DD_Var[ID]->NewFile = 1;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
return MOREDELAY;
case CACHTOOREC: // just wait and try again
if(Verbose) fprintf(stderr,"GetData(%d): Open New File returned CACHTOOREC\n",ID);
DD_Var[ID]->NewFile = 1;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
return MOREDELAY;
case OUTOFTIME: // Return data as the last packet (as well as it was finished by time
if(Verbose) fprintf(stderr,"GetData(%d): New file is out of time\n",ID);
SetOriginPointer(&Local, ID);
DD_Var[ID]->LastPacketFlag = OK;
DD_Var[ID]->NewFile = 1;
return OK;
break;
default: // Unrecoverable error in the database or out of time
if(Verbose) fprintf(stderr,"GetData(%d): Unrecoverable error in the new file\n",ID);
Local.nc_rec--;
DD_Var[ID]->LastPacketFlag = OK;
DD_Var[ID]->NewFile = 0;
return DD_Var[ID]->LastFileStatus;
}
} /* End of file finish processing */
if(DD_Var[ID]->VarData[0].VarNumber >= RecordNumber) /* Packet size exceeded */
{
DD_Var[ID]->LastPacketFlag = MOREDATA;
return MOREDATA;
}
} /* End of check of status */
} while(1);
return OK;
}
/*-----------------------------------------------------------------*/
/*#################################################################
* SET TIME
* Set time and try to open appropriate data file. If not try to
* call external archive
* Return:
* NOID - call with uncorrect VI holder
* OUTOFTIME - Requested time is out of General time limitation
* WAITEXTCALL - Server sent request to external archive
* TRYAGAIN - VI is blocked by call to external database
* NODATAATTIME - request time is inside NODATA time interval
* some return of SetNewFile(); see ...
*#################################################################*/
int SetTime(DD_Var_t *DD_VarL, double VCTime)
{
char Name[MAXSETLENGTH]; /* Name of data nc file */
char FullName[PATHLENGTH]; /* Full name of nc file */
char StartTime[TIMELENGTH];
char StopTime[TIMELENGTH];
static char StartName[] = "StartTime";
static char StopName[] = "StopTime";
static char TimeName[] = "Time";
int StartID,StopID,TimeID;
size_t Rmin,Rmax,RLeft,RRight; /* Limits of record num */
double dt, TestTime,MinTime,MaxTime;
dd_tmstr_t *tt;
int More; /* InsideFlag - we are inside good time interval */
/* NoDataFlag - we in the time record marked "NODATA" */
char TimeIntName[MAXSETLENGTH]; /* File name associated with the given time interval */
static size_t start[2] = {0,0};
static size_t TimeCount[2] = {1,TIMELENGTH};
static size_t FileCount[2] = {1,MAXFILENAME};
static void *p;
static double CTime = 0.0; /* Real working requested time */
int status;
int SearchStatus; /* Status at the end of interval search */
int ExternalReqStatus; /* Status at return of extenal call */
/* Check the ID */
/** sleep(40); **/
if(Verbose) fprintf(stderr,"SetTime(%f): Start\n",VCTime);
if(DD_VarL == NULL) return(NOID);
/*===========================================================
* Set CTime if need
*===========================================================*/
if(VCTime > 0)
{
CTime = VCTime;
if(Verbose) fprintf(stderr,"SetTime(%f): CTime is from argument\n",CTime);
}
else if(Verbose) fprintf(stderr,"SetTime(%f): CTime is from saved value\n",CTime);
/*----------------------------------------------------
* Check if is out of Global Time Limits
* If the requested time is out of Global Time Limit, the time is reset to the
* correct time interval
*----------------------------------------------------*/
if (CTime <= DD_VarL->GlobalStart) CTime = DD_VarL->GlobalStart + QUANTOFFSET;
if (CTime > DD_VarL->GlobalStop) return OUTOFTIME;
/*
* Check if this VI is not blocked by this or another server
*/
switch(IsTimesLocked(DD_VarL))
{
case NOLOCK: break;
case LOCKED: return TRYAGAIN; break;
case LOCKREMOVED: UpdateTimeInfo(DD_VarL);
}
/*
* If Ctime out of valid interval, we can try to get new data in external archive
*/
if((DD_VarL->MinValidTime > CTime)||(DD_VarL->MaxValidTime < CTime))
{
if(Verbose) fprintf(stderr,"SetTime(): Start Time is out of current data interval\n");
if(DD_VarL->ExtCallAllowed)
{
switch(ExternalReqStatus = ExtDataRequest(DD_VarL,CTime))
{
case OK: return WAITEXTCALL; /* Request is gone */
case NOEXEC: break; /* Call is impossible */
case NODATAATTIME: return NODATAATTIME; /* CTime in side NODATA interval */
case GAPISSMALL: break; /* Out of data, but gap is too small */
case OUTOFTIME: return OUTOFTIME;
default: return OUTOFTIME;
}
} else return OUTOFTIME;
}
/*
* Now we know that CTime SURE in between Tmin and TMax
* We start from the middle of the maximal valid interval
*/
Rmin = (size_t)DD_VarL->RValidMin;
Rmax = (size_t)DD_VarL->RValidMax;
More = 1;
while(More)
{
DD_VarL->TimeRecNumber = (Rmin + Rmax)/2;
SearchRight(DD_VarL,Rmin,Rmax); /*--- Go right up to valid interval */
start[0] = DD_VarL->TimeRecNumber;
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StartID,start,TimeCount,StartTime);
TestTime = DD_Time2Double(StartTime);
if(CTime > TestTime) // StartTime(R) < CTime
{
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StopID,start,TimeCount,StopTime);
TestTime = DD_Time2Double(StopTime);
if(TestTime >= CTime) /* CTime is really inside this interval */
{
More = 0;
SearchStatus = INSIDE;
}
else /* CTime is at the right of the R */
{
RLeft = DD_VarL->TimeRecNumber;
DD_VarL->TimeRecNumber++;
SearchRight(DD_VarL,Rmin,Rmax); /*R shift right up to the next valid interval */
start[0] = DD_VarL->TimeRecNumber;
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StopID,start,TimeCount,StopTime);
TestTime = DD_Time2Double(StopTime);
if(TestTime >= CTime) /* CTime is between Stop(R)-1 and Stop(R) */
{
More = 0;
DD_VarL->CurrRmin = (int)RLeft;
DD_VarL->CurrRmax = (int)DD_VarL->TimeRecNumber;
/*--- Test if it is inside interval ------*/
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StartID,start,TimeCount,StartTime);
TestTime = DD_Time2Double(StartTime);
if(TestTime < CTime) SearchStatus = INSIDE;
else SearchStatus = DATAATRIGHT; /* Ctime is inbetween the valid intervals */
}
else /* CTime is on the right from the Stop(R) */
{
Rmin = DD_VarL->TimeRecNumber;
More = 1;
}
} /* else of CTime is at the right of the R */
}
else /* StartTime(R) > CTime */
{
RRight = DD_VarL->TimeRecNumber;
DD_VarL->TimeRecNumber--;
SearchLeft(DD_VarL,Rmin,Rmax); /*R shift left down to the next valid interval */
start[0] = DD_VarL->TimeRecNumber;
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StartID,start,TimeCount,StartTime);
TestTime = DD_Time2Double(StartTime);
if(CTime > TestTime) // CTime is inbetween Start(R) and Start(RRight)
{
More = 0;
DD_VarL->CurrRmax = (int)RRight;
DD_VarL->CurrRmin = (int)DD_VarL->TimeRecNumber;
/*--- Test if it is inside interval ------*/
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StopID,start,TimeCount,StopTime);
TestTime = DD_Time2Double(StopTime);
if(TestTime > CTime) SearchStatus = INSIDE;
else /* Ctime is inbetween the valid intervals */
{
DD_VarL->TimeRecNumber++; /* Return to the right interval */
SearchStatus = DATAATRIGHT; /* Ctime is inbetween the valid intervals */
}
}
else /* CTime is to the left from Start(R) */
{
Rmax = DD_VarL->TimeRecNumber;
More =1;
}
} // else StartTime(R) > CTime
} // while(More);
/*------------------------------------------------------------------------------*/
if(Verbose) fprintf(stderr,"SetTime(): Search Status is %d\n",SearchStatus);
/*-----------------------------------------------------------------------
* Now we check if we can and need to require new data in external archive
*-----------------------------------------------------------------------*/
if((SearchStatus != INSIDE)&&(DD_VarL->ExtCallAllowed))
{
switch(ExternalReqStatus = ExtDataRequest(DD_VarL,CTime))
{
case OK: return WAITEXTCALL; /* Request is gone */
case NOEXEC: return NODATAATTIME; /* Call is impossible */
case NODATAATTIME:
start[0] = DD_VarL->TimeRecNumber;
status = nc_get_vara_text(DD_VarL->tmID, DD_VarL->StopID,start,TimeCount,StopTime);
CTime = DD_Time2Double(StopTime) + 0.001;
if(Verbose) fprintf(stderr,"SetTime(): There was NO Data intreval, CTime is scrolled to %f\n",CTime);
return CTIMEISSHIFTED;
case GAPISSMALL: DD_VarL->TimeRecNumber = DD_VarL->CurrRmax; break; /* Out of data, but gap is too small */
case OUTOFTIME: return OUTOFTIME; break;
default: return OUTOFTIME;
}
}
/* Get the file Name and open file */
if(Verbose) fprintf(stderr,"SetTime(): File found: %d\n",DD_VarL->TimeRecNumber);
if((status = SetNewFile(DD_VarL,0)) < 0) return status;
/*=====================================================================
* Fit the CTime inside data file
*=====================================================================*/
/* Get MinTime and MaxTime */
status = nc_inq_varid(DD_VarL->ncID,StartName, &StartID);
status = nc_inq_varid(DD_VarL->ncID,StopName, &StopID);
status = nc_inq_varid(DD_VarL->ncID,TimeName, &TimeID);
if (status != NC_NOERR)
{
if(Verbose) fprintf(stderr,"SetTime(): %s\n",nc_strerror(status));
return(DATAFILEERR);
}
start[0] = 0;
status = nc_get_vara_text(DD_VarL->ncID, StartID, start,&TimeCount[1],StartTime);
MinTime = DD_Time2Double(StartTime);
status = nc_get_vara_text(DD_VarL->ncID, StopID, start,&TimeCount[1],StopTime);
MaxTime = DD_Time2Double(StopTime);
/* circle of finding of time */
More = 1;
Rmin = 0; Rmax = DD_VarL->Maxnc_rec - 1;
do
{
start[0] = (Rmin + Rmax)/2;
if(start[0] < Rmin) { DD_VarL->nc_rec = Rmin; More = 0;}
if(start[0] > Rmax) { DD_VarL->nc_rec = Rmax; More = 0;}
if(More > 0)
{
status = nc_get_vara_text(DD_VarL->ncID, TimeID,start,TimeCount,StartTime);
TestTime = DD_Time2Double(StartTime);
if(CTime >= TestTime)
{
// if(start[0] +1 >= DD_VarL->Maxnc_rec) return(OUTOFTIME);
if(start[0] +1 >= DD_VarL->Maxnc_rec) // We are in the gap between the last record
// and the StopTime of this file
{
if(Verbose) fprintf(stderr,"SetTime(): The gap between the last record and stop time\n");
if((status = SetNewFile(DD_VarL,1)) < 0) return status;
DD_VarL->nc_rec = 0;
More = 0;
if(Verbose) fprintf(stderr,"SetTime(): Pointer is set as %s, TimesRecord %d FileRecord %d\n",StartTime,DD_VarL->TimeRecNumber, DD_VarL->nc_rec);
return 1;
}
start[0]++;
status = nc_get_vara_text(DD_VarL->ncID, TimeID,start,TimeCount,StartTime);
TestTime = DD_Time2Double(StartTime);
if(CTime <= TestTime)
{
DD_VarL->nc_rec = start[0];
More = 0;
}
else
{
MinTime = TestTime;
Rmin = start[0];
More = 1;
}
}
else
{
if(start[0] <= Rmin) /* 25 Feb 1999 */
{
DD_VarL->nc_rec = Rmin;
More = 0;
}
else
{
start[0]--;
status = nc_get_vara_text(DD_VarL->ncID, TimeID,start,TimeCount,StartTime);
TestTime = DD_Time2Double(StartTime);
if(CTime >= TestTime)
{
DD_VarL->nc_rec = start[0] +1;
More = 0;
}
else
{
MaxTime = TestTime;
Rmax = start[0];
More = 1;
}
}
}
}
if(MaxTime - MinTime < 0.0001)
{
DD_VarL->nc_rec = start[0];
More = 0;
}
} while(More == 1);
if(Verbose) fprintf(stderr,"SetTime(): Pointer is set as %s, TimesRecord %d FileRecord %d\n",StartTime,DD_VarL->TimeRecNumber, DD_VarL->nc_rec);
return(1);
}
/*======================================================================================*/
/*--------------------------------------------------------------------------------------*/
/* If There was TimeUpdate in one VI, vi have to update all other values in another VI */
/*--------------------------------------------------------------------------------------*/
int LocalOrigSync(DD_Var_t *Local, DD_Var_t *Orig)
{
Orig->tmID = Local->tmID;
Orig->NameID = Local->NameID;
Orig->StartID = Local->StartID;
Orig->StopID = Local->StopID;
Orig->RValidMin = Local->RValidMin;
Orig->RValidMax = Local->RValidMax;
Orig->MinValidTime = Local->MinValidTime;
Orig->MaxValidTime = Local->MaxValidTime;
Orig->CurrRmin = -1;
Orig->CurrRmax = -1;
Orig->VILocked = Local->VILocked;
return 1;
}
/*--------------------------------------------------------------------------------------*/
/* Recovering of the original pointer */
/*--------------------------------------------------------------------------------------*/
int SetOriginPointer(DD_Var_t *LocalVI, int ID)
{
if(DD_Var[ID]->NewFileWasOpen)
{
switch(IsTimesLocked(LocalVI))
{
case NOLOCK: break;
case LOCKED: DD_Var[ID]->LastFileStatus = TRYAGAIN;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
DD_Var[ID]->VILocked = LocalVI->VILocked; /* Tell Original holder that it is locked */
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->NewFileWasOpen = 1;
return MOREDELAY; break;
case LOCKREMOVED: UpdateTimeInfo(LocalVI);
LocalOrigSync(LocalVI,DD_Var[ID]);
SetTime(DD_Var[ID],DD_Var[ID]->SDTime); /* Return to the original status */
DD_Var[ID]->LastPacketFlag = OK;
DD_Var[ID]->NewFileWasOpen = 0;
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->LastFileStatus = OK; /* Total reset */
return OK;
}
/* If VI is not locked, try to set new file */
switch(DD_Var[ID]->LastFileStatus = SetNewFile(DD_Var[ID],0))
{
case OK: // Everything is OK
DD_Var[ID]->LastPacketFlag = OK;
DD_Var[ID]->NewFile = 0; // We have to reset all variables
DD_Var[ID]->NewFileWasOpen = 0;
return OK;
case TRYAGAIN: // just wait and try again
if(Verbose) fprintf(stderr,"GetData(%d): Reset to Origin return TRYAGAIN\n",ID);
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
DD_Var[ID]->VILocked = LocalVI->VILocked; /* Tell Original holder that it is locked */
return MOREDELAY;
case WAITEXTCALL: // just wait and try again
if(Verbose) fprintf(stderr,"GetData(%d): Reset to Origin return WAITEXTCALL\n",ID);
DD_Var[ID]->VILocked = LocalVI->VILocked; /* Tell Original holder that it is locked */
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
return MOREDELAY;
case CACHTOOREC: // just wait and try again
if(Verbose) fprintf(stderr,"GetData(%d): Reset to Origin returnCACHTOOREC\n",ID);
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->NewFileWasOpen = 1;
DD_Var[ID]->LastPacketFlag = MOREDELAY;
return MOREDELAY;
case OUTOFTIME: // An accident when we were trying to return to original file
default: // Unrecoverable error in the database or out of time
if(Verbose) fprintf(stderr,"GetData(%d): Reset to origin: Unrecovararable errorn (including OUT OF TIME)\n",ID);
DD_Var[ID]->LastPacketFlag = OK;
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->NewFileWasOpen = 1;
return DD_Var[ID]->LastFileStatus;
}
}
/* If we did not transfer to new file, we can just reset all */
DD_Var[ID]->VILocked = LocalVI->VILocked; /* Tell Original the locking state */
DD_Var[ID]->LastPacketFlag = OK;
DD_Var[ID]->NewFileWasOpen = 0;
DD_Var[ID]->NewFile = 0;
DD_Var[ID]->LastFileStatus = OK;
}
/*######################################################################################*/