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eccodes/tools/grib_compare.c

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/*
* Copyright 2005-2017 ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
*/
#include "grib_tools.h"
GRIB_INLINE static int grib_inline_strcmp(const char* a,const char* b)
{
if (*a != *b) return 1;
while((*a!=0 && *b!=0) && *(a) == *(b) ) {a++;b++;}
return (*a==0 && *b==0) ? 0 : 1;
}
GRIB_INLINE static int grib_inline_rstrcmp(const char* a,const char* b)
{
char* p=(char*)a;
char* q=(char*)b;
while (*p != 0) p++;
while (*q != 0) q++;
q--;p--;
if (*q != *p) return 1;
while((p!=a && q!=b) && *(p) == *(q) ) {p--;q--;}
return (q==b) ? 0 : 1;
}
typedef double (*compare_double_proc) (double*,double*,double);
typedef struct grib_error grib_error;
struct grib_error {
char* key;
int count;
grib_error* next;
};
grib_error* error_summary;
compare_double_proc compare_double;
double global_tolerance=0;
int packingCompare=0;
grib_string_list* blacklist=0;
int compareAbsolute=1;
static int compare_handles(grib_handle* h1,grib_handle* h2,grib_runtime_options* options);
static int compare_values(grib_runtime_options* options,grib_handle* h1,grib_handle *h2,const char *name,int type);
int error=0;
int count=0;
int lastPrint=0;
int force=0;
double maxAbsoluteError = 1e-19;
int onlyListed=1;
int headerMode=0;
int morein1=0;
int morein2=0;
int listFromCommandLine;
int verbose=0;
double tolerance_factor=1;
/* Returns 0 when the values are considered the same */
static double compare_double_absolute(double *a,double *b,double tolerance)
{
double ret=0;
double d=fabs(*a-*b);
if (d > tolerance) {
ret=d;
}
return ret;
/* return fabs(*a-*b) > *err ? fabs(*a-*b) : 0; */
}
/* Returns 0 when the values are considered the same */
static double compare_double_relative(double *a, double *b, double tolerance)
{
double relativeError;
if(fabs(*a) <= maxAbsoluteError || fabs(*b) <= maxAbsoluteError)
relativeError = fabs(*a-*b);
else if (fabs(*b) > fabs(*a))
relativeError = fabs((*a-*b) / *b);
else
relativeError = fabs((*a-*b) / *a);
return relativeError > tolerance ? relativeError : 0;
}
static int blacklisted(const char* name)
{
grib_string_list* b=blacklist;
while (b) {
Assert(b->value);
if (!strcmp(name,b->value))
return 1;
b=b->next;
}
return 0;
}
static double relative_error(double a,double b,double err)
{
double relativeError;
if(fabs(a) <= maxAbsoluteError || fabs(b) <= maxAbsoluteError)
relativeError = fabs(a-b);
else if (fabs(b) > fabs(a))
relativeError = fabs((a-b) / b);
else
relativeError = fabs((a-b) / a);
return relativeError ;
}
grib_option grib_options[]={
/* {id, args, help}, on, command_line, value*/
{"r",0,"Compare files in which the messages are not in the same order. This option is time expensive.\n",0,1,0},
{"b:",0,0,0,1,0},
{"e",0,"Edition independent compare. It is used to compare grib edition 1 and 2.\n",0,1,0},
{"c:",0,0,0,1,0},
{"S:","start","First field to be processed.\n",0,1,0},
{"E:","end","Last field to be processed.\n",0,1,0},
{"a",0,"-c option modifier. The keys listed with the option -c will be added to the list of keys compared without -c.\n"
,0,1,0},
{"H",0,"Compare only message headers (everything except data and bitmap). Bit-by-bit compare on. Incompatible with -c option.\n",0,1,0},
{"R:",0,0,0,1,0},
{"A:",0,0,0,1,0},
{"P",0,"Compare data values using the packing error as tolerance.\n",0,1,0},
{"T:","factor","Compare data values using factor multiplied by the tolerance specified in options -P -R -A.\n",0,1,0},
{"w:",0,0,0,1,0},
{"f",0,0,0,1,0},
{"F",0,0,1,0,0},
{"q",0,0,1,0,0},
{"M",0,0,1,0,0},
{"I",0,0,1,0,0},
{"V",0,0,0,1,0},
{"7",0,0,0,1,0},
{"v",0,0,0,1,0}
};
grib_handle* global_handle=NULL;
int counter=0;
int theStart=-1;
int theEnd=-1;
char* grib_tool_description=
"Compare GRIB messages contained in two files."
"\n\tIf some differences are found it fails returning an error code."
"\n\tFloating point values are compared exactly by default, different tolerance can be defined see -P -A -R."
"\n\tDefault behaviour: absolute error=0, bit-by-bit compare, same order in files.";
char* grib_tool_name="grib_compare";
char* grib_tool_usage="[options] grib_file1 grib_file2";
int grib_options_count=sizeof(grib_options)/sizeof(grib_option);
int main(int argc, char *argv[])
{
return grib_tool(argc,argv);
}
int grib_tool_before_getopt(grib_runtime_options* options)
{
return 0;
}
int grib_tool_init(grib_runtime_options* options)
{
int ret=0,i;
int nfiles=1;
char orderby[]="md5Headers";
grib_context* context=grib_context_get_default();
options->strict=1;
if (grib_options_on("S:"))
theStart=atoi(grib_options_get_option("S:"));
if (grib_options_on("E:"))
theEnd=atoi(grib_options_get_option("E:"));
if (grib_options_on("f")) force=1;
else force=0;
verbose = grib_options_on("v");
listFromCommandLine=0;
if (grib_options_on("c:") || grib_options_on("e"))
listFromCommandLine=1;
if (grib_options_on("a")) onlyListed=0;
else onlyListed=1;
if (grib_options_on("H")) headerMode=1;
else headerMode=0;
if (grib_options_on("H") && grib_options_on("c:")) {
printf("Error: -H and -c options are incompatible. Choose one of the two please.\n");
exit(1);
}
if (grib_options_on("a") && !grib_options_on("c:")) {
printf("Error: -a option requires -c option. Please define a list of keys with the -c option.\n");
exit(1);
}
if (grib_options_on("b:")) {
grib_string_list *next=0;
int i=0;
blacklist=(grib_string_list*)grib_context_malloc_clear(context,sizeof(grib_string_list));
blacklist->value=grib_context_strdup(context,options->set_values[0].name);
next=blacklist;
for (i=1;i<options->set_values_count;i++) {
next->next=(grib_string_list*)grib_context_malloc_clear(context,sizeof(grib_string_list));
next->next->value=grib_context_strdup(context,options->set_values[i].name);
next=next->next;
}
context->blacklist=blacklist;
}
if (grib_options_on("r")) {
char* filename[1];
filename[0]=options->infile_extra->name;
options->random=1;
options->orderby=strdup(orderby);
options->idx=grib_fieldset_new_from_files(context,filename,
nfiles,0,0,0,orderby,&ret);
if (ret) {
printf("unable to create index for input file %s (%s)",
options->infile_extra->name,grib_get_error_message(ret));
exit(ret);
}
} else {
options->random=0;
options->infile_extra->file=fopen(options->infile_extra->name,"r");
if (!options->infile_extra->file) {
perror(options->infile_extra->name);
exit(1);
}
}
global_tolerance=0;
compare_double= &compare_double_absolute;
if (grib_options_on("R:")) {
global_tolerance=0;
for (i=0;i<options->tolerance_count;i++) {
if (!strcmp((options->tolerance[i]).name,"all")) {
global_tolerance=(options->tolerance[i]).double_value;
break;
}
if (!strcmp((options->tolerance[i]).name,"global")) {
global_tolerance=(options->tolerance[i]).double_value;
break;
}
}
compare_double= &compare_double_relative;
compareAbsolute=0;
}
if (grib_options_on("A:")){
const char* absTolStr = grib_options_get_option("A:");
char* endPtr = NULL; /* for error handling */
if (grib_options_on("R:")) {
maxAbsoluteError = strtod(absTolStr,&endPtr);
if (*endPtr) {
fprintf(stderr, "Invalid absolute error: '%s'\n", absTolStr);
exit(1);
}
} else {
compare_double= &compare_double_absolute;
global_tolerance= strtod(absTolStr,&endPtr);
if (*endPtr) {
fprintf(stderr, "Invalid absolute error: '%s'\n", absTolStr);
exit(1);
}
}
}
if (grib_options_on("P")) {
packingCompare=1;
/* GRIB-972: Do not change the comparator yet. Not all GRIBs have packingError key! */
/*compare_double= &compare_double_absolute;*/
}
if (grib_options_on("T:"))
tolerance_factor=atof(grib_options_get_option("T:"));
if (grib_options_on("R:")) {
char* sarg=grib_options_get_option("R:");
options->tolerance_count=MAX_KEYS;
ret=parse_keyval_string(grib_tool_name, sarg,1,GRIB_TYPE_DOUBLE,options->tolerance,&(options->tolerance_count));
if (ret == GRIB_INVALID_ARGUMENT) {
usage();
exit(1);
}
}
{
/* Check for 2nd file being a directory. If so, we assume user is comparing to a file */
/* with the same name as first file in that directory */
struct stat s;
grib_tools_file* infile = options->infile; /* the 2nd file in comparison */
if (infile) {
int stat_val = stat(infile->name, &s);
if ( stat_val == 0 && S_ISDIR(s.st_mode)) {
/* Take the filename of the 1st file and append to dir */
char bufr[2048] = {0,};
/* options->infile_extra->name is the 1st file */
sprintf(bufr, "%s%c%s",
infile->name,
get_dir_separator_char(),
extract_filename(options->infile_extra->name));
infile->name = strdup(bufr);
}
}
}
return 0;
}
int grib_tool_new_filename_action(grib_runtime_options* options,const char* file) {
return 0;
}
int grib_tool_new_file_action(grib_runtime_options* options,grib_tools_file* file) {
return 0;
}
static void printInfo(grib_handle* h)
{
char shortName[254]={0,};
char levelType[254]={0,};
char level[254]={0,};
char paramId[254]={0,};
char packingType[254]={0,};
char gridType[254]={0,};
char identifier[254]={0,};
size_t len=254;
char stepRange[254]={0,};
if (lastPrint==count) return;
len=254;
grib_get_string(h,"shortName",shortName,&len);
len=254;
grib_get_string(h,"stepRange",stepRange,&len);
len=254;
grib_get_string(h,"levelType",levelType,&len);
len=254;
grib_get_string(h,"level",level,&len);
len=254;
grib_get_string(h,"paramId",paramId,&len);
len=254;
grib_get_string(h,"packingType",packingType,&len);
len=254;
grib_get_string(h,"gridType",gridType,&len);
len=254;
grib_get_string(h,"identifier",identifier,&len);
printf("\n-- %s #%d -- shortName=%s paramId=%s stepRange=%s levelType=%s level=%s packingType=%s gridType=%s --\n",
identifier,count,shortName,paramId,stepRange,levelType,level,packingType,gridType);
lastPrint=count;
}
static void print_index_key_values(grib_index* index,int counter)
{
grib_index_key* keys=index->keys;
printf("== %d == ",counter);
while (keys) {
printf("%s=%s ",keys->name,keys->value);
keys=keys->next;
}
printf("\n");
}
int grib_tool_new_handle_action(grib_runtime_options* options, grib_handle* h)
{
int err=0;
count++;
if (options->through_index) {
grib_index* idx1=options->index1;
verbose=0;
counter++;
if ( theStart>0 && counter < theStart ) return 0;
if ( theEnd>0 && counter > theEnd ) {
options->stop=1;
return 0;
}
grib_index_search_same(idx1,h);
global_handle=grib_handle_new_from_index(idx1,&err);
if (options->verbose) {
off_t offset=0;
char* filename=grib_get_field_file(options->index2,&offset);
printf("file1=\"%s\" ",filename);
filename=grib_get_field_file(options->index1,&offset);
printf("file2=\"%s\" \n",filename);
print_index_key_values(options->index1,counter);
}
if (!global_handle) {
if (!options->verbose)
print_index_key_values(idx1,counter);
printf("====== NOT FOUND in %s\n",options->infile->name);
}
if (!global_handle || err!= GRIB_SUCCESS ) {
morein1++;
if (global_handle) grib_handle_delete(global_handle);
return 0;
}
if(compare_handles(h,global_handle,options)) {
error++;
if (!force) exit(1);
}
grib_handle_delete(global_handle);
return 0;
} else if (options->random)
global_handle = grib_fieldset_next_handle(options->idx,&err);
else
global_handle=grib_handle_new_from_file(h->context,options->infile_extra->file,&err);
if (!global_handle || err!= GRIB_SUCCESS ) {
morein2++;
if (global_handle) grib_handle_delete(global_handle);
return 0;
}
if(compare_handles(global_handle,h,options)) {
error++;
if (!force) exit(1);
}
grib_handle_delete(global_handle);
return 0;
}
int grib_tool_skip_handle(grib_runtime_options* options, grib_handle* h)
{
int err=0;
if (!options->through_index && !options->random) {
global_handle=grib_handle_new_from_file(h->context,options->infile_extra->file,&err);
if (!global_handle || err!= GRIB_SUCCESS)
morein2++;
grib_handle_delete(global_handle);
}
grib_handle_delete(h);
count++;
return 0;
}
void grib_tool_print_key_values(grib_runtime_options* options,grib_handle* h)
{
grib_print_key_values(options,h);
}
int grib_tool_finalise_action(grib_runtime_options* options)
{
grib_error* e=error_summary;
int err=0;
grib_context* c=grib_context_get_default();
error+=morein1+morein2;
/*if (grib_options_on("w:")) return 0;*/
if (error) {
printf("\n## ERRORS SUMMARY #######\n");
}
while ((global_handle=grib_handle_new_from_file(c,options->infile_extra->file,&err))) {
morein1++;
if (global_handle) grib_handle_delete(global_handle);
}
if (morein1>0) {
printf("##\n## Different number of messages \n");
printf("## %d more messages in %s than in %s\n",morein1,
options->infile_extra->name,options->infile->name);
}
if (morein2>0) {
printf("##\n## Different number of messages \n");
printf("## %d more messages in %s than in %s\n",morein2,
options->infile->name,options->infile_extra->name);
}
if (error) {
printf("##\n## Summary of different key values \n");
while (e) {
printf ("## %s ( %d different )\n",e->key,e->count);
e=e->next;
}
printf("##\n## %d different messages out of %d\n\n",error,count);
}
if (options->through_index) {
grib_index_delete(options->index1);
grib_index_delete(options->index2);
}
if (error !=0) exit(1);
return 0;
}
static void save_error(grib_context* c,const char* key)
{
grib_error* e=0;
grib_error* next=0;
int saved=0;
if (!error_summary) {
error_summary=(grib_error*)grib_context_malloc_clear(c,sizeof(grib_error));
error_summary->count=1;
error_summary->key=grib_context_strdup(c,key);
return;
}
e=error_summary;
next=e;
while (next) {
if (!strcmp(next->key,key)) {
next->count++;
saved=1;
break;
}
e=next;
next=next->next;
}
if (!saved) {
e->next=(grib_error*)grib_context_malloc_clear(c,sizeof(grib_error));
e->next->count=1;
e->next->key=grib_context_strdup(c,key);
}
}
static int compare_values(grib_runtime_options* options,grib_handle* h1,grib_handle *h2,const char *name,int type)
{
size_t len1 = 0;
size_t len2 = 0;
int err=0,i=0;
int err1;
int err2;
int type1,type2;
int countdiff;
int isangle=0;
int isMissing1,isMissing2;
char *sval1 = NULL,*sval2 = NULL;
unsigned char *uval1 = NULL,*uval2 = NULL;
double *dval1 = NULL, *dval2 = NULL;
long *lval1 = NULL, *lval2 = NULL;
double maxdiff=0;
double packingError1=0,packingError2=0;
double value_tolerance=0;
grib_context* c=h1->context;
type1=type;
type2=type;
if (verbose) printf(" comparing %s",name);
/* If key was blacklisted, then we should not have got here */
DebugAssert( !blacklisted(name) );
if( type1==GRIB_TYPE_UNDEFINED && (err = grib_get_native_type(h1,name,&type1)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get type of [%s] in 1st field: %s\n",name,grib_get_error_message(err));
save_error(c,name);
return err;
}
if(type2==GRIB_TYPE_UNDEFINED && (err = grib_get_native_type(h2,name,&type2)) != GRIB_SUCCESS)
{
if(err == GRIB_NOT_FOUND)
{
printInfo(h1);
printf("[%s] not found in 2nd field\n",name);
save_error(c,name);
return err;
}
printInfo(h1);
printf("Oops... cannot get type of [%s] in 2nd field: %s\n",name,grib_get_error_message(err));
save_error(c,name);
return err;
}
/*
if(type1 != type2)
{
printInfo(h1);
printf("Warning, [%s] has different types: 1st field: [%s], 2nd field: [%s]\n",
name,grib_get_type_name(type1),grib_get_type_name(type2));
return GRIB_TYPE_MISMATCH;
}
*/
if(type1 == GRIB_TYPE_LABEL)
return err;
if(type1 == GRIB_TYPE_SECTION)
return err;
if((err = grib_get_size(h1,name,&len1)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get size of [%s] in 1st field: %s\n",name,grib_get_error_message(err));
save_error(c,name);
return err;
}
if((err = grib_get_size(h2,name,&len2)) != GRIB_SUCCESS)
{
if(err == GRIB_NOT_FOUND)
{
printInfo(h1);
printf("[%s] not found in 2nd field\n",name);
save_error(c,name);
return err;
}
printInfo(h1);
printf("Oops... cannot get size of [%s] in 2nd field: %s\n",name,grib_get_error_message(err));
save_error(c,name);
return err;
}
/*
if(len1 != len2 && type1 != GRIB_TYPE_STRING)
{
printInfo(h1);
printf("[%s] has different size: 1st field: %ld, 2nd field: %ld\n",name,(long)len1,(long)len2);
save_error(c,name);
return GRIB_COUNT_MISMATCH;
}
*/
isMissing1= ( (grib_is_missing(h1,name,&err1)==1) && (err1 == 0) ) ? 1 : 0;
isMissing2= ( (grib_is_missing(h2,name,&err2)==1) && (err2 == 0) ) ? 1 : 0;
if ((isMissing1==1) && (isMissing2==1)) {
if (verbose) printf(" is set to missing in both fields\n");
return GRIB_SUCCESS;
}
if (isMissing1==1) {
if (verbose) printf(" is set to missing in 1st field\n");
printInfo(h1);
printf("%s is set to missing in 1st field is not missing in 2nd field\n",name);
err1 = GRIB_VALUE_MISMATCH;
save_error(c,name);
return GRIB_VALUE_MISMATCH;
}
if (isMissing2==1) {
if (verbose) printf(" is set to missing in 1st field\n");
printInfo(h1);
printf("%s is set to missing in 2nd field is not missing in 1st field\n",name);
err1 = GRIB_VALUE_MISMATCH;
save_error(c,name);
return GRIB_VALUE_MISMATCH;
}
switch(type1)
{
case GRIB_TYPE_STRING:
if (verbose) printf(" as string\n");
grib_get_string_length(h1,name,&len1);
grib_get_string_length(h2,name,&len2);
sval1 = (char*)grib_context_malloc(h1->context,len1*sizeof(char));
sval2 = (char*)grib_context_malloc(h2->context,len2*sizeof(char));
if((err1 = grib_get_string(h1,name,sval1,&len1)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get string value of [%s] in 1st field: %s\n",
name,grib_get_error_message(err1));
save_error(c,name);
}
if((err2 = grib_get_string(h2,name,sval2,&len2)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get string value of [%s] in 2nd field: %s\n",
name,grib_get_error_message(err2));
save_error(c,name);
}
if(err1 == GRIB_SUCCESS && err2 == GRIB_SUCCESS)
{
if(grib_inline_strcmp(sval1,sval2) != 0)
{
printInfo(h1);
printf("string [%s]: [%s] != [%s]\n",
name,sval1,sval2);
err1 = GRIB_VALUE_MISMATCH;
save_error(c,name);
}
}
grib_context_free(h1->context,sval1);
grib_context_free(h2->context,sval2);
if(err1) return err1;
if(err2) return err2;
break;
case GRIB_TYPE_LONG:
if (verbose) printf(" as long\n");
lval1 = (long*)grib_context_malloc(h1->context,len1*sizeof(long));
lval2 = (long*)grib_context_malloc(h2->context,len2*sizeof(long));
if((err1 = grib_get_long_array(h1,name,lval1,&len1)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get long value of [%s] in 1st field: %s\n",
name,grib_get_error_message(err1));
save_error(c,name);
}
if((err2 = grib_get_long_array(h2,name,lval2,&len2)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get long value of [%s] in 2nd field: %s\n",
name,grib_get_error_message(err2));
save_error(c,name);
}
if(err1 == GRIB_SUCCESS && err2 == GRIB_SUCCESS && len1!=len2)
{
printInfo(h1);
printf("Different size for \"%s\" [%ld] [%ld]\n",name,(long)len1,(long)len2);
save_error(c,name);
}
if(err1 == GRIB_SUCCESS && err2 == GRIB_SUCCESS && len1==len2)
{
int i;
countdiff=0;
for(i = 0; i < len1; i++)
if(lval1[i] != lval2[i]) countdiff++;
if (countdiff) {
printInfo(h1);
save_error(c,name);
err1 = GRIB_VALUE_MISMATCH;
if(len1 == 1)
printf("long [%s]: [%ld] != [%ld]\n",
name,*lval1,*lval2);
else
printf("long [%s] %d out of %ld different\n",
name,countdiff,(long)len1);
}
}
grib_context_free(h1->context,lval1);
grib_context_free(h2->context,lval2);
if(err1) return err1;
if(err2) return err2;
break;
case GRIB_TYPE_DOUBLE:
if (verbose) printf(" as double\n");
dval1 = (double*)grib_context_malloc(h1->context,len1*sizeof(double));
dval2 = (double*)grib_context_malloc(h2->context,len2*sizeof(double));
isangle=0;
value_tolerance=global_tolerance;
if (!grib_inline_strcmp(name,"packedValues") || !grib_inline_strcmp(name,"values")
|| !grib_inline_strcmp(name,"codedValues")) {
packingError1=0;
packingError2=0;
err1=grib_get_double(h1,"packingError",&packingError1);
err2=grib_get_double(h2,"packingError",&packingError2);
if (packingCompare && !err1 && !err2) {
/* packingError specified by user and message supports it */
/* GRIB-972: Not all GRIBs have packingError key! */
value_tolerance = packingError1 > packingError2 ? packingError1 : packingError2;
compare_double= &compare_double_absolute;
compareAbsolute=1;
}
} else if (!grib_inline_strcmp(name,"unpackedValues") ) {
packingError1=0;
packingError2=0;
err1=grib_get_double(h1,"unpackedError",&packingError1);
err2=grib_get_double(h2,"unpackedError",&packingError2);
if (packingCompare && !err1 && !err2) {
/* packingError specified by user and message supports it */
/* GRIB-972: Not all GRIBs have unpackedError key! */
value_tolerance = packingError1 > packingError2 ? packingError1 : packingError2;
compare_double= &compare_double_absolute;
compareAbsolute=1;
}
} else if ( !grib_inline_rstrcmp(name,"InDegrees")) {
packingError1=0.0005;
packingError2=0.0005;
isangle=1;
value_tolerance = packingError1 > packingError2 ? packingError1 : packingError2;
} else if (!grib_inline_strcmp(name,"referenceValue") ) {
packingError1=0;
packingError2=0;
err1=grib_get_double(h1,"referenceValueError",&packingError1);
err2=grib_get_double(h2,"referenceValueError",&packingError2);
value_tolerance = packingError1 > packingError2 ? packingError1 : packingError2;
}
if (!compareAbsolute) {
int all_specified = 0; /* =1 if relative comparison with "all" specified */
for (i=0;i<options->tolerance_count;i++) {
if (!strcmp((options->tolerance[i]).name, "all")) {
all_specified = 1;
value_tolerance=(options->tolerance[i]).double_value;
break;
}
}
if (!all_specified) {
for (i=0;i<options->tolerance_count;i++) {
if (!strcmp((options->tolerance[i]).name,name)) {
value_tolerance=(options->tolerance[i]).double_value;
break;
}
}
}
}
if((err1 = grib_get_double_array(h1,name,dval1,&len1)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get double value of [%s] in 1st field: %s\n",
name,grib_get_error_message(err1));
save_error(c,name);
}
if((err2 = grib_get_double_array(h2,name,dval2,&len2)) != GRIB_SUCCESS)
{
printInfo(h1);
printf("Oops... cannot get double value of [%s] in 2nd field: %s\n",
name,grib_get_error_message(err2));
save_error(c,name);
}
if(err1 == GRIB_SUCCESS && err2 == GRIB_SUCCESS && len1!=len2)
{
printInfo(h1);
printf("Different size for \"%s\" [%ld] [%ld]\n",name,(long)len1,(long)len2);
save_error(c,name);
}
if(err1 == GRIB_SUCCESS && err2 == GRIB_SUCCESS && len1==len2)
{
int i,imaxdiff;
double diff;
double *pv1,*pv2,dnew1,dnew2;
maxdiff=0;
imaxdiff=0;
countdiff=0;
pv1=dval1;
pv2=dval2;
if (isangle) {
dnew1=*dval1; dnew2=*dval2;
pv1=&dnew1; pv2=&dnew2;
if (*dval1 < 0 ) dnew1 += 360.0 ;
if (*dval2 < 0 ) dnew2 += 360.0 ;
if (*dval1 > 360 ) dnew1 -= 360.0 ;
if (*dval2 > 360 ) dnew2 -= 360.0 ;
}
value_tolerance*=tolerance_factor;
if (verbose) {
printf(" (%d values) tolerance=%g \t",(int)len1,value_tolerance);
if (compare_double == &compare_double_absolute) printf("using compare_double_absolute");
if (compare_double == &compare_double_relative) printf("using compare_double_relative");
printf("\n");
}
for(i = 0; i < len1; i++) {
if((diff=compare_double(pv1++, pv2++, value_tolerance))!=0) {
countdiff++;
if (maxdiff < diff) {maxdiff=diff;imaxdiff=i;}
err1 = GRIB_VALUE_MISMATCH;
}
}
if (countdiff) {
printInfo(h1);
save_error(c,name);
if (len1>1) {
printf("double [%s]: %d out of %ld different\n",name,countdiff,(long)len1);
if (compareAbsolute) printf(" max");
printf(" absolute diff. = %.16e,",fabs(dval1[imaxdiff]-dval2[imaxdiff]));
if (!compareAbsolute) printf(" max");
printf(" relative diff. = %g",relative_error(dval1[imaxdiff],dval2[imaxdiff],value_tolerance));
printf("\n\tmax diff. element %d: %.20e %.20e",
imaxdiff,dval1[imaxdiff],dval2[imaxdiff]);
printf("\n\ttolerance=%.16e",value_tolerance);
if (packingError2!=0 || packingError1!=0)
printf(" packingError: [%g] [%g]",packingError1,packingError2);
if (!grib_inline_strcmp(name,"packedValues") || !grib_inline_strcmp(name,"values")
|| !grib_inline_strcmp(name,"codedValues")) {
double max1=0,min1=0,max2=0,min2=0;
/* Note: some packings like spectral do not have min,max */
if (grib_get_double(h1,"max",&max1) == GRIB_SUCCESS &&
grib_get_double(h1,"min",&min1) == GRIB_SUCCESS &&
grib_get_double(h2,"max",&max2) == GRIB_SUCCESS &&
grib_get_double(h2,"min",&min2) == GRIB_SUCCESS)
{
printf("\n\tvalues max= [%g] [%g] min= [%g] [%g]",max1,max2,min1,min2);
}
}
printf("\n");
} else {
printf("double [%s]: [%.20e] != [%.20e]\n",
name,dval1[0],dval2[0]);
printf("\tabsolute diff. = %g,",fabs(dval1[0]-dval2[0]));
printf(" relative diff. = %g\n",relative_error(dval1[0],dval2[0],value_tolerance));
printf("\ttolerance=%g\n",value_tolerance);
}
}
}
grib_context_free(h1->context,dval1);
grib_context_free(h2->context,dval2);
if(err1) return err1;
if(err2) return err2;
break;
case GRIB_TYPE_BYTES:
if (verbose) printf(" as bytes\n");
if (len1<2) len1=512;
if (len2<2) len2=512;
uval1 = (unsigned char*)grib_context_malloc(h1->context,len1*sizeof(unsigned char));
uval2 = (unsigned char*)grib_context_malloc(h2->context,len2*sizeof(unsigned char));
if((err1 = grib_get_bytes(h1,name,uval1,&len1)) != GRIB_SUCCESS)
{
printInfo(h1);
save_error(c,name);
printf("Oops... cannot get bytes value of [%s] in 1st field: %s\n",
name,grib_get_error_message(err1));
}
if((err2 = grib_get_bytes(h2,name,uval2,&len2)) != GRIB_SUCCESS)
{
printInfo(h1);
save_error(c,name);
printf("Oops... cannot get bytes value of [%s] in 2nd field: %s\n",
name,grib_get_error_message(err2));
}
if(err1 == GRIB_SUCCESS && err2 == GRIB_SUCCESS)
{
if(memcmp(uval1,uval2,len1) != 0)
{
int i;
for(i = 0; i < len1; i++)
if(uval1[i] != uval2[i])
{
printInfo(h1);
save_error(c,name);
if(len1 == 1)
printf("[%s] byte values are different: [%02x] and [%02x]\n",
name,uval1[i],uval2[i]);
else
printf("[%s] byte value %d of %ld is different: [%02x] and [%02x]\n",
name,i,(long)len1,uval1[i],uval2[i]);
err1 = GRIB_VALUE_MISMATCH;
break;
}
err1 = GRIB_VALUE_MISMATCH;
}
}
grib_context_free(h1->context,uval1);
grib_context_free(h2->context,uval2);
if(err1) return err1;
if(err2) return err2;
break;
case GRIB_TYPE_LABEL:
if (verbose) printf(" as label\n");
break;
default:
if (verbose) printf("\n");
printInfo(h1);
save_error(c,name);
printf("Cannot compare [%s], unsupported type %d\n",name,type1);
return GRIB_UNABLE_TO_COMPARE_ACCESSORS;
break;
}
return GRIB_SUCCESS;
}
static int compare_handles(grib_handle* h1,grib_handle* h2,grib_runtime_options* options)
{
int err = 0;
int i=0;
const char* name=NULL;
grib_keys_iterator* iter = NULL;
/* mask only if no -c option or headerMode (-H)*/
if (blacklist && ( !listFromCommandLine || headerMode )) {
/* See ECC-245, GRIB-573, GRIB-915: Do not change handles in memory */
/* grib_string_list* nextb=blacklist;
while (nextb) {
grib_clear(h1,nextb->value);
grib_clear(h2,nextb->value);
nextb=nextb->next;
} */
}
if (headerMode) {
const void *msg1=NULL,*msg2=NULL;
size_t size1=0,size2=0;
grib_handle *h11, *h22;
GRIB_CHECK_NOLINE(grib_get_message_headers(h1,&msg1,&size1),0);
GRIB_CHECK_NOLINE(grib_get_message_headers(h2,&msg2,&size2),0);
if (size1==size2 && !memcmp(msg1,msg2,size1))
return 0;
err=0;
h11=grib_handle_new_from_partial_message(h1->context,msg1,size1);
h22=grib_handle_new_from_partial_message(h1->context,msg2,size2);
iter=grib_keys_iterator_new(h11, GRIB_KEYS_ITERATOR_SKIP_COMPUTED, NULL);
if (!iter) {
printf("ERROR: unable to get keys iterator\n");
exit(1);
}
while(grib_keys_iterator_next(iter))
{
name=grib_keys_iterator_get_name(iter);
/*printf("----- comparing %s\n",name);*/
if (blacklisted(name)) continue;
if(compare_values(options,h11,h22,name,GRIB_TYPE_UNDEFINED)) err++;
}
grib_keys_iterator_delete(iter);
grib_handle_delete(h11);
grib_handle_delete(h22);
return err;
}
if ( listFromCommandLine && onlyListed ) {
for (i=0; i< options->compare_count; i++) {
if (blacklisted(options->compare[i].name)) continue;
if (options->compare[i].type == GRIB_NAMESPACE) {
iter=grib_keys_iterator_new(h1, 0, options->compare[i].name);
if (!iter) {
printf("ERROR: unable to get keys iterator\n");
exit(1);
}
while(grib_keys_iterator_next(iter))
{
name=grib_keys_iterator_get_name(iter);
/*printf("----- comparing %s\n",name);*/
if (blacklisted(name)) continue;
if(compare_values(options,h1,h2,name,GRIB_TYPE_UNDEFINED)) err++;
}
grib_keys_iterator_delete(iter);
} else {
if( compare_values(options,h1,h2,options->compare[i].name,options->compare[i].type))
err++;
}
}
} else {
const void *msg1=NULL,*msg2=NULL;
size_t size1=0,size2=0;
GRIB_CHECK_NOLINE(grib_get_message(h1,&msg1,&size1),0);
GRIB_CHECK_NOLINE(grib_get_message(h2,&msg2,&size2),0);
if (size1==size2 && !memcmp(msg1,msg2,size1))
return 0;
iter=grib_keys_iterator_new(h1,GRIB_KEYS_ITERATOR_SKIP_COMPUTED,NULL);
if (!iter) {
printf("ERROR: unable to get keys iterator\n");
exit(1);
}
while(grib_keys_iterator_next(iter))
{
name=grib_keys_iterator_get_name(iter);
/*printf("----- comparing %s\n",name);*/
if (blacklisted(name)) continue;
if(compare_values(options,h1,h2,name,GRIB_TYPE_UNDEFINED)) err++;
}
grib_keys_iterator_delete(iter);
if ( listFromCommandLine ) {
for (i=0; i< options->compare_count; i++) {
if (blacklisted(options->compare[i].name)) continue;
if (options->compare[i].type == GRIB_NAMESPACE) {
iter=grib_keys_iterator_new(h1, 0, options->compare[i].name);
if (!iter) {
printf("ERROR: unable to get iterator for %s\n",options->compare[i].name );
exit(1);
}
while(grib_keys_iterator_next(iter))
{
name=grib_keys_iterator_get_name(iter);
/*printf("----- comparing %s\n",name);*/
if (blacklisted(name)) continue;
if(compare_values(options,h1,h2,name,GRIB_TYPE_UNDEFINED)) err++;
}
grib_keys_iterator_delete(iter);
} else {
if( compare_values(options,h1,h2,options->compare[i].name,options->compare[i].type))
err++;
}
}
}
}
return err;
}
int grib_no_handle_action(grib_runtime_options* options, int err)
{
fprintf(dump_file,"\t\t\"ERROR: unreadable message\"\n");
return 0;
}
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