netcdf-c/libnczarr/zdebug.c
2020-09-15 13:19:57 -06:00

357 lines
8.6 KiB
C

/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*********************************************************************/
#include "zincludes.h"
#ifdef HAVE_EXECINFO_H
#include <execinfo.h>
#endif
/* Mnemonic */
#define RAW 1
/**************************************************/
/* Data Structure */
struct ZUTEST* zutest = NULL;
/**************************************************/
#ifdef ZCATCH
/* Place breakpoint here to catch errors close to where they occur*/
int
zbreakpoint(int err)
{
return err;
}
int
zthrow(int err, const char* file, int line)
{
if(err == 0) return err;
#ifdef ZDEBUG
fprintf(stderr,"THROW: %s/%d: (%d) %s\n",file,line,err,nc_strerror(err));
fflush(stderr);
#endif
#ifdef HAVE_EXECINFO_H
NCZbacktrace();
#endif
return zbreakpoint(err);
}
#endif
/**************************************************/
/* Data Structure printers */
static NClist* reclaim = NULL;
static const int maxreclaim = 16;
static char*
capture(char* s)
{
if(s != NULL) {
while(nclistlength(reclaim) >= maxreclaim)
free(nclistremove(reclaim,0));
if(reclaim == NULL) reclaim = nclistnew();
nclistpush(reclaim,s);
}
return s;
}
void
nczprint_reclaim(void)
{
if(reclaim != NULL) {
nclistfreeall(reclaim);
reclaim = NULL;
}
}
char*
nczprint_slice(NCZSlice slice)
{
return nczprint_slicex(slice,!RAW);
}
char*
nczprint_slicex(NCZSlice slice, int raw)
{
char* result = NULL;
NCbytes* buf = ncbytesnew();
char value[64];
if(raw)
ncbytescat(buf,"[");
else
ncbytescat(buf,"Slice{");
snprintf(value,sizeof(value),"%lu",(unsigned long)slice.start);
ncbytescat(buf,value);
ncbytescat(buf,":");
snprintf(value,sizeof(value),"%lu",(unsigned long)slice.stop);
ncbytescat(buf,value);
if(slice.stride != 1) {
ncbytescat(buf,":");
snprintf(value,sizeof(value),"%lu",(unsigned long)slice.stride);
ncbytescat(buf,value);
}
ncbytescat(buf,"|");
snprintf(value,sizeof(value),"%lu",(unsigned long)slice.len);
ncbytescat(buf,value);
if(raw)
ncbytescat(buf,"]");
else
ncbytescat(buf,"}");
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
char*
nczprint_slices(int rank, NCZSlice* slices)
{
return nczprint_slicesx(rank, slices, !RAW);
}
char*
nczprint_slicesx(int rank, NCZSlice* slices, int raw)
{
int i;
char* result = NULL;
NCbytes* buf = ncbytesnew();
for(i=0;i<rank;i++) {
char* ssl;
if(!raw)
ncbytescat(buf,"[");
ssl = nczprint_slicex(slices[i],raw);
ncbytescat(buf,ssl);
if(!raw)
ncbytescat(buf,"]");
}
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
char*
nczprint_slab(int rank, NCZSlice* slices)
{
return nczprint_slicesx(rank,slices,RAW);
}
char*
nczprint_odom(NCZOdometer* odom)
{
char* result = NULL;
NCbytes* buf = ncbytesnew();
char value[128];
char* txt = NULL;
snprintf(value,sizeof(value),"Odometer{rank=%d,",odom->rank);
ncbytescat(buf,value);
ncbytescat(buf," start=");
txt = nczprint_vector(odom->rank,odom->start);
ncbytescat(buf,txt);
ncbytescat(buf," stop=");
txt = nczprint_vector(odom->rank,odom->stop);
ncbytescat(buf,txt);
ncbytescat(buf," stride=");
txt = nczprint_vector(odom->rank,odom->stride);
ncbytescat(buf,txt);
ncbytescat(buf," max=");
txt = nczprint_vector(odom->rank,odom->max);
ncbytescat(buf,txt);
ncbytescat(buf," index=");
txt = nczprint_vector(odom->rank,odom->index);
ncbytescat(buf,txt);
ncbytescat(buf," offset=");
snprintf(value,sizeof(value),"%llu",nczodom_offset(odom));
ncbytescat(buf,value);
ncbytescat(buf,"}");
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
char*
nczprint_projection(NCZProjection proj)
{
return nczprint_projectionx(proj,!RAW);
}
char*
nczprint_projectionx(NCZProjection proj, int raw)
{
char* result = NULL;
NCbytes* buf = ncbytesnew();
char value[128];
ncbytescat(buf,"Projection{");
snprintf(value,sizeof(value),"id=%d,",proj.id);
ncbytescat(buf,value);
snprintf(value,sizeof(value),"chunkindex=%lu",(unsigned long)proj.chunkindex);
ncbytescat(buf,value);
snprintf(value,sizeof(value),",first=%lu",(unsigned long)proj.first);
ncbytescat(buf,value);
snprintf(value,sizeof(value),",last=%lu",(unsigned long)proj.last);
ncbytescat(buf,value);
snprintf(value,sizeof(value),",len=%lu",(unsigned long)proj.len);
ncbytescat(buf,value);
snprintf(value,sizeof(value),",limit=%lu",(unsigned long)proj.limit);
ncbytescat(buf,value);
snprintf(value,sizeof(value),",iopos=%lu",(unsigned long)proj.iopos);
ncbytescat(buf,value);
snprintf(value,sizeof(value),",iocount=%lu",(unsigned long)proj.iocount);
ncbytescat(buf,value);
ncbytescat(buf,",chunkslice=");
result = nczprint_slicex(proj.chunkslice,raw);
ncbytescat(buf,result);
ncbytescat(buf,",memslice=");
result = nczprint_slicex(proj.memslice,raw);
ncbytescat(buf,result);
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
char*
nczprint_allsliceprojections(int r, NCZSliceProjections* slp)
{
int i;
char* s;
NCbytes* buf = ncbytesnew();
for(i=0;i<r;i++) {
s = nczprint_sliceprojections(slp[i]);
ncbytescat(buf,s);
}
s = ncbytesextract(buf);
ncbytesfree(buf);
return capture(s);
}
char*
nczprint_sliceprojections(NCZSliceProjections slp)
{
return nczprint_sliceprojectionsx(slp,!RAW);
}
char*
nczprint_sliceprojectionsx(NCZSliceProjections slp, int raw)
{
char* result = NULL;
NCbytes* buf = ncbytesnew();
char tmp[4096];
int i;
snprintf(tmp,sizeof(tmp),"SliceProjection{r=%d range=%s count=%ld",
slp.r,nczprint_chunkrange(slp.range),(long)slp.count);
ncbytescat(buf,tmp);
ncbytescat(buf,",projections=[\n");
for(i=0;i<slp.count;i++) {
NCZProjection* p = (NCZProjection*)&slp.projections[i];
ncbytescat(buf,"\t");
result = nczprint_projectionx(*p,raw);
ncbytescat(buf,result);
ncbytescat(buf,"\n");
}
result = NULL;
ncbytescat(buf,"]");
ncbytescat(buf,"}\n");
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
char*
nczprint_chunkrange(NCZChunkRange range)
{
char* result = NULL;
NCbytes* buf = ncbytesnew();
char digits[64];
ncbytescat(buf,"ChunkRange{start=");
snprintf(digits,sizeof(digits),"%llu",range.start);
ncbytescat(buf,digits);
ncbytescat(buf," stop=");
snprintf(digits,sizeof(digits),"%llu",range.stop);
ncbytescat(buf,digits);
ncbytescat(buf,"}");
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
char*
nczprint_vector(size_t len, size64_t* vec)
{
char* result = NULL;
int i;
char value[128];
NCbytes* buf = ncbytesnew();
ncbytescat(buf,"(");
for(i=0;i<len;i++) {
if(i > 0) ncbytescat(buf,",");
snprintf(value,sizeof(value),"%lu",(unsigned long)vec[i]);
ncbytescat(buf,value);
}
ncbytescat(buf,")");
result = ncbytesextract(buf);
ncbytesfree(buf);
return capture(result);
}
#ifdef ZDEBUG
void
zdumpcommon(struct Common* c)
{
int r;
fprintf(stderr,"Common:\n");
#if 0
fprintf(stderr,"\tfile: %s\n",c->file->controller->path);
fprintf(stderr,"\tvar: %s\n",c->var->hdr.name);
fprintf(stderr,"\treading=%d\n",c->reading);
#endif
fprintf(stderr,"\trank=%d",c->rank);
fprintf(stderr," dimlens=%s",nczprint_vector(c->rank,c->dimlens));
fprintf(stderr," chunklens=%s",nczprint_vector(c->rank,c->chunklens));
#if 0
fprintf(stderr,"\tmemory=%p\n",c->memory);
fprintf(stderr,"\ttypesize=%d\n",c->typesize);
fprintf(stderr,"\tswap=%d\n",c->swap);
#endif
fprintf(stderr," shape=%s\n",nczprint_vector(c->rank,c->shape));
fprintf(stderr,"\tallprojections:\n");
for(r=0;r<c->rank;r++)
fprintf(stderr,"\t\t[%d] %s\n",r,nczprint_sliceprojectionsx(c->allprojections[r],RAW));
fflush(stderr);
}
#endif
#ifdef HAVE_EXECINFO_H
#define MAXSTACKDEPTH 100
void
NCZbacktrace(void)
{
int j, nptrs;
void* buffer[MAXSTACKDEPTH];
char **strings;
if(getenv("NCZBACKTRACE") == NULL) return;
nptrs = backtrace(buffer, MAXSTACKDEPTH);
strings = backtrace_symbols(buffer, nptrs);
if (strings == NULL) {
perror("backtrace_symbols");
errno = 0;
return;
}
fprintf(stderr,"Backtrace:\n");
for(j = 0; j < nptrs; j++)
fprintf(stderr,"%s\n", strings[j]);
free(strings);
}
#endif