netcdf-c/oc/ocdump.c
2012-01-29 18:56:29 +00:00

483 lines
11 KiB
C

/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
See the COPYRIGHT file for more information.
*/
#include "config.h"
#include <sys/stat.h>
#ifdef NETINET_IN_H
#include <netinet/in.h>
#endif
#include "ocinternal.h"
#include "ocdata.h"
#include "ocdebug.h"
#define MAXLEVEL 1
/*Forward*/
static void dumpocnode1(OCnode* node, int depth);
static void dumpdimensions(OCnode* node);
static void dumpattvalue(OCtype nctype, char** aset, int index);
static char* sindent = NULL;
static char*
dent(int n)
{
if(sindent == NULL) {
sindent = (char*)ocmalloc(102);
MEMCHECK(sindent,NULL);
memset((void*)sindent,(int)' ',(size_t)101);
sindent[101] = '\0';
}
if(n > 100) n = 100;
return sindent+(100-n);
}
/* support [dd] leader*/
static char*
dent2(int n) {return dent(n+4);}
void
ocdumpnode(OCnode* node)
{
if(node != NULL) {
dumpocnode1(node,0);
} else {
fprintf(stdout,"<NULL>\n");
}
fflush(stdout);
}
static void
dumpskip(OCnode* node)
{
char tmpc[64];
char tmpi[64];
char tmpt[64];
char tmpo[64];
if(node->skip.count == OCINDETERMINATE)
strcpy(tmpc,"?");
else
snprintf(tmpc,sizeof(tmpc),"%lu",(unsigned long)node->skip.count);
if(node->skip.instancesize == OCINDETERMINATE)
strcpy(tmpi,"?");
else
snprintf(tmpi,sizeof(tmpi),"%lu",(unsigned long)node->skip.instancesize);
if(node->skip.totalsize == OCINDETERMINATE)
strcpy(tmpt,"?");
else
snprintf(tmpt,sizeof(tmpt),"%lu",(unsigned long)node->skip.totalsize);
if(node->skip.offset == OCINDETERMINATE)
strcpy(tmpo,"?");
else
snprintf(tmpo,sizeof(tmpo),"%lu",(unsigned long)node->skip.offset);
fprintf(stdout," [(%s*%s)/%s@%s]",tmpi,tmpc,tmpt,tmpo);
}
static void
dumpocnode1(OCnode* node, int depth)
{
unsigned int n;
switch (node->octype) {
case OC_Primitive: {
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
if(node->name == NULL) OCPANIC("prim without name");
fprintf(stdout,"%s %s",octypetostring(node->etype),node->name);
dumpdimensions(node);
#ifdef IGNORE
if(node->cache.cacheable) fprintf(stdout," [cached]");
#endif
dumpskip(node);
fprintf(stdout," &%lx",(unsigned long)node);
fprintf(stdout,"\n");
} break;
case OC_Dataset: {
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
fprintf(stdout,"dataset %s\n",
(node->name?node->name:""));
for(n=0;n<oclistlength(node->subnodes);n++) {
dumpocnode1((OCnode*)oclistget(node->subnodes,n),depth+1);
}
} break;
case OC_Structure: {
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
fprintf(stdout,"struct %s",
(node->name?node->name:""));
dumpdimensions(node);
dumpskip(node);
fprintf(stdout," &%lx",(unsigned long)node);
fprintf(stdout,"\n");
for(n=0;n<oclistlength(node->subnodes);n++) {
dumpocnode1((OCnode*)oclistget(node->subnodes,n),depth+1);
}
} break;
case OC_Sequence: {
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
fprintf(stdout,"sequence %s",
(node->name?node->name:""));
dumpdimensions(node);
dumpskip(node);
fprintf(stdout," &%lx",(unsigned long)node);
fprintf(stdout,"\n");
for(n=0;n<oclistlength(node->subnodes);n++) {
dumpocnode1((OCnode*)oclistget(node->subnodes,n),depth+1);
}
} break;
case OC_Grid: {
unsigned int i;
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
fprintf(stdout,"grid %s",
(node->name?node->name:""));
dumpdimensions(node);
dumpskip(node);
fprintf(stdout," &%lx",(unsigned long)node);
fprintf(stdout,"\n");
fprintf(stdout,"%sarray:\n",dent2(depth+1));
dumpocnode1((OCnode*)oclistget(node->subnodes,0),depth+2);
fprintf(stdout,"%smaps:\n",dent2(depth+1));
for(i=1;i<oclistlength(node->subnodes);i++) {
dumpocnode1((OCnode*)oclistget(node->subnodes,i),depth+2);
}
} break;
case OC_Attribute: {
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
if(node->name == NULL) OCPANIC("Attribute without name");
fprintf(stdout,"%s %s",octypetostring(node->etype),node->name);
for(n=0;n<oclistlength(node->att.values);n++) {
char* value = (char*)oclistget(node->att.values,n);
if(n > 0) fprintf(stdout,",");
fprintf(stdout," %s",value);
}
fprintf(stdout," &%lx",(unsigned long)node);
fprintf(stdout,"\n");
} break;
case OC_Attributeset: {
fprintf(stdout,"[%2d]%s ",depth,dent(depth));
fprintf(stdout,"%s:\n",node->name?node->name:"Attributes");
for(n=0;n<oclistlength(node->subnodes);n++) {
dumpocnode1((OCnode*)oclistget(node->subnodes,n),depth+1);
}
} break;
default:
OCPANIC1("encountered unexpected node type: %x",node->octype);
}
if(node->attributes != NULL) {
unsigned int i;
for(i=0;i<oclistlength(node->attributes);i++) {
OCattribute* att = (OCattribute*)oclistget(node->attributes,i);
fprintf(stdout,"%s[%s=",dent2(depth+2),att->name);
if(att->nvalues == 0)
OCPANIC("Attribute.nvalues == 0");
if(att->nvalues == 1) {
dumpattvalue(att->etype,att->values,0);
} else {
unsigned int j;
fprintf(stdout,"{");
for(j=0;j<att->nvalues;j++) {
if(j>0) fprintf(stdout,", ");
dumpattvalue(att->etype,att->values,j);
}
fprintf(stdout,"}");
}
fprintf(stdout,"]\n");
}
}
}
static void
dumpdimensions(OCnode* node)
{
unsigned int i;
for(i=0;i<node->array.rank;i++) {
OCnode* dim = (OCnode*)oclistget(node->array.dimensions,i);
fprintf(stdout,"[%s=%lu]",
(dim->name?dim->name:"?"),
(unsigned long)dim->dim.declsize);
}
}
static void
dumpattvalue(OCtype nctype, char** strings, int index)
{
if(nctype == OC_String || nctype == OC_URL) {
fprintf(stdout,"\"%s\"",strings[index]);
} else {
fprintf(stdout,"%s",strings[index]);
}
}
void
ocdumpslice(OCslice* slice)
{
fprintf(stdout,"[");
fprintf(stdout,"%lu",(unsigned long)slice->first);
if(slice->stride > 1) fprintf(stdout,":%lu",(unsigned long)slice->stride);
fprintf(stdout,":%lu",(unsigned long)(slice->first+slice->count)-1);
fprintf(stdout,"]");
}
void
ocdumpclause(OCprojectionclause* ref)
{
unsigned int i;
OClist* path = oclistnew();
occollectpathtonode(ref->node,path);
for(i=0;i<oclistlength(path);i++) {
OClist* sliceset;
OCnode* node = (OCnode*)oclistget(path,i);
if(node->tree != NULL) continue; /* leave off the root node*/
fprintf(stdout,"%s%s",(i>0?PATHSEPARATOR:""),node->name);
sliceset = (OClist*)oclistget(ref->indexsets,i);
if(sliceset != NULL) {
unsigned int j;
for(j=0;j<oclistlength(sliceset);j++) {
OCslice* slice = (OCslice*)oclistget(sliceset,j);
ocdumpslice(slice);
}
}
}
}
static void
addfield(char* field, char* line, int align)
{
int len,rem;
strcat(line,"|");
strcat(line,field);
len = strlen(field);
rem = (align - len);
while(rem-- > 0) strcat(line," ");
}
static void
dumpfield(int index, char* n8, int isxdr)
{
char line[1024];
char tmp[32];
union {
unsigned int uv;
int sv;
char cv[4];
float fv;
} form;
union {
char cv[8];
unsigned long long ll;
double d;
} dform;
line[0] = '\0';
/* offset */
sprintf(tmp,"%6d",index);
addfield(tmp,line,5);
memcpy(form.cv,n8,4);
/* straight hex*/
sprintf(tmp,"%08x",form.uv);
addfield(tmp,line,8);
if(isxdr) {swapinline32(&form.uv);}
/* unsigned integer */
sprintf(tmp,"%12u",form.uv);
addfield(tmp,line,12);
/* signed integer */
sprintf(tmp,"%12d",form.sv);
addfield(tmp,line,12);
/* float */
sprintf(tmp,"%#g",form.fv);
addfield(tmp,line,12);
/* char[4] */
{
/* use raw form (i.e. n8)*/
int i;
tmp[0] = '\0';
for(i=0;i<4;i++) {
char stmp[64];
unsigned int c = (n8[i] & 0xff);
if(c < ' ' || c > 126)
sprintf(stmp,"\\%02x",c);
else
sprintf(stmp,"%c",c);
strcat(tmp,stmp);
}
}
addfield(tmp,line,16);
/* double */
memcpy(dform.cv,n8,2*XDRUNIT);
if(isxdr) xxdrntohdouble(dform.cv,&dform.d);
sprintf(tmp,"%#g",dform.d);
addfield(tmp,line,12);
fprintf(stdout,"%s\n",line);
}
static void
typedmemorydump(char* memory, size_t len, int fromxdr)
{
unsigned int i,count,rem;
char line[1024];
char* pmem;
char mem[8];
assert(memory[len] == 0);
/* build the header*/
line[0] = '\0';
addfield("offset",line,6);
addfield("hex",line,8);
addfield("uint",line,12);
addfield("int",line,12);
addfield("float",line,12);
addfield("char[4]",line,16);
addfield("double",line,12);
strcat(line,"\n");
fprintf(stdout,"%s",line);
count = (len / sizeof(int));
rem = (len % sizeof(int));
for(pmem=memory,i=0;i<count;i++,pmem+=4) {
memset(mem,0,8);
if(i<(count-1))
memcpy(mem,pmem,8);
else
memcpy(mem,pmem,4);
dumpfield(i*sizeof(unsigned int),mem,fromxdr);
}
if(rem > 0) {
memset(mem,0,8);
memcpy(mem,pmem,4);
dumpfield(i*sizeof(unsigned int),mem,fromxdr);
}
fflush(stdout);
}
static void
simplememorydump(char* memory, size_t len, int fromxdr)
{
unsigned int i,count,rem;
int* imemory;
char tmp[32];
char line[1024];
assert(memory[len] == 0);
/* build the header*/
line[0] = '\0';
addfield("offset",line,6);
addfield("XDR (hex)",line,9);
addfield("!XDR (hex)",line,10);
fprintf(stdout,"%s\n",line);
count = (len / sizeof(int));
rem = (len % sizeof(int));
if(rem != 0)
fprintf(stderr,"ocdump: |mem|%%4 != 0\n");
imemory = (int*)memory;
for(i=0;i<count;i++) {
unsigned int vx = (unsigned int)imemory[i];
unsigned int v = vx;
if(!xxdr_network_order) swapinline32(&v);
line[0] = '\0';
sprintf(tmp,"%6d",i);
addfield(tmp,line,6);
sprintf(tmp,"%08x",vx);
addfield(tmp,line,9);
sprintf(tmp,"%08x",v);
addfield(tmp,line,10);
fprintf(stdout,"%s\n",line);
}
fflush(stdout);
}
void
ocdumpmemory(char* memory, size_t len, int xdrencoded, int level)
{
if(level > MAXLEVEL) level = MAXLEVEL;
switch (level) {
case 1: /* Do a multi-type dump */
typedmemorydump(memory,len,xdrencoded);
break;
case 0: /* Dump a simple linear list of the contents of the memory as 32-bit hex and decimal */
default:
simplememorydump(memory,len,xdrencoded);
break;
}
}
static int
ocreadfile(FILE* file, int datastart, char** memp, size_t* lenp)
{
char* mem;
size_t len;
size_t pos;
size_t red;
struct stat stats;
pos = ftell(file);
fseek(file,0,SEEK_SET);
fseek(file,datastart,SEEK_SET);
fstat(fileno(file),&stats);
len = stats.st_size;
len -= datastart;
mem = (char*)calloc(len+1,1);
if(mem == NULL) return 0;
/* Read only the data part */
red = fread(mem,1,len,file);
if(red < len) {
fprintf(stderr,"ocreadfile: short file\n");
return 0;
}
fseek(file,pos,SEEK_SET); /* leave it as we found it*/
if(memp) *memp = mem;
if(lenp) *lenp = len;
return 1;
}
void
ocdd(OCstate* state, OCnode* root, int xdrencoded, int level)
{
char* mem;
size_t len;
if(root->tree->data.file != NULL) {
if(!ocreadfile(root->tree->data.file,root->tree->data.bod,&mem,&len)) {
fprintf(stderr,"ocdd could not read data file\n");
return;
}
ocdumpmemory(mem,len,xdrencoded,level);
free(mem);
} else {
mem = root->tree->data.memory;
mem += root->tree->data.bod;
len = root->tree->data.datasize;
len -= root->tree->data.bod;
ocdumpmemory(mem,len,xdrencoded,level);
}
}