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netcdf-c/oc2/ocdump.c

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/* 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 "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);}
static void
tabto(int pos, OCbytes* buffer)
{
int bol,len,pad;
len = ocbyteslength(buffer);
/* find preceding newline */
for(bol=len-1;;bol--) {
int c = ocbytesget(buffer,bol);
if(c < 0) break;
if(c == '\n') {bol++; break;}
}
len = (len - bol);
pad = (pos - len);
while(pad-- > 0) ocbytescat(buffer," ");
}
void
ocdumpnode(OCnode* node)
{
if(node != NULL) {
dumpocnode1(node,0);
} else {
fprintf(stdout,"<NULL>\n");
}
fflush(stdout);
}
static void
dumpocnode1(OCnode* node, int depth)
{
unsigned int n;
switch (node->octype) {
case OC_Atomic: {
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);
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);
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);
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);
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)
snprintf(stmp,sizeof(stmp),"\\%02x",c);
else
snprintf(stmp,sizeof(stmp),"%c",c);
if(!occoncat(tmp,sizeof(tmp),1,stmp))
return;
}
}
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);
}
}
void
ocdumpdata(OCstate* state, OCdata* data, OCbytes* buffer, int frominstance)
{
char tmp[1024];
OCnode* template = data->template;
snprintf(tmp,sizeof(tmp),"%lx:",(unsigned long)data);
ocbytescat(buffer,tmp);
if(!frominstance) {
ocbytescat(buffer," node=");
ocbytescat(buffer,template->name);
}
snprintf(tmp,sizeof(tmp)," xdroffset=%ld",(unsigned long)data->xdroffset);
ocbytescat(buffer,tmp);
if(data->template->octype == OC_Atomic) {
snprintf(tmp,sizeof(tmp)," xdrsize=%ld",(unsigned long)data->xdrsize);
ocbytescat(buffer,tmp);
}
if(iscontainer(template->octype)) {
snprintf(tmp,sizeof(tmp)," ninstances=%d",(int)data->ninstances);
ocbytescat(buffer,tmp);
} else if(template->etype == OC_String || template->etype == OC_URL) {
snprintf(tmp,sizeof(tmp)," nstrings=%d",(int)data->nstrings);
ocbytescat(buffer,tmp);
}
ocbytescat(buffer," container=");
snprintf(tmp,sizeof(tmp),"%lx",(unsigned long)data->container);
ocbytescat(buffer,tmp);
ocbytescat(buffer," mode=");
ocbytescat(buffer,ocdtmodestring(data->datamode,0));
}
/*
Depth Offset Index Flags Size Type Name
0123456789012345678901234567890123456789012345
0 1 2 3 4
[001] 00000000 0000 FS 0000 Structure person
*/
static const int tabstops[] = {0,6,15,21,27,32,42};
static const char* header =
"Depth Offset Index Flags Size Type Name\n";
void
ocdumpdatatree(OCstate* state, OCdata* data, OCbytes* buffer, int depth)
{
size_t i,rank;
OCnode* template;
char tmp[1024];
size_t crossproduct;
int tabstop = 0;
const char* typename;
/* If this is the first call, then dump a header line */
if(depth == 0) {
ocbytescat(buffer,header);
}
/* get info about the template */
template = data->template;
rank = template->array.rank;
/* get total dimension size */
if(rank > 0)
crossproduct = octotaldimsize(template->array.rank,template->array.sizes);
/* Dump the depth first */
snprintf(tmp,sizeof(tmp),"[%03d]",depth);
ocbytescat(buffer,tmp);
tabto(tabstops[++tabstop],buffer);
snprintf(tmp,sizeof(tmp),"%08lu",(unsigned long)data->xdroffset);
ocbytescat(buffer,tmp);
tabto(tabstops[++tabstop],buffer);
/* Dump the Index wrt to parent, if defined */
if(fisset(data->datamode,OCDT_FIELD)
|| fisset(data->datamode,OCDT_ELEMENT)
|| fisset(data->datamode,OCDT_RECORD)) {
snprintf(tmp,sizeof(tmp),"%04lu ",(unsigned long)data->index);
ocbytescat(buffer,tmp);
}
tabto(tabstops[++tabstop],buffer);
/* Dump the mode flags in compact form */
ocbytescat(buffer,ocdtmodestring(data->datamode,1));
tabto(tabstops[++tabstop],buffer);
/* Dump the size or ninstances */
if(fisset(data->datamode,OCDT_ARRAY)
|| fisset(data->datamode,OCDT_SEQUENCE)) {
snprintf(tmp,sizeof(tmp),"%04lu",(unsigned long)data->ninstances);
} else {
snprintf(tmp,sizeof(tmp),"%04lu",(unsigned long)data->xdrsize);
}
ocbytescat(buffer,tmp);
tabto(tabstops[++tabstop],buffer);
if(template->octype == OC_Atomic) {
typename = octypetoddsstring(template->etype);
} else { /*must be container*/
typename = octypetoddsstring(template->octype);
}
ocbytescat(buffer,typename);
tabto(tabstops[++tabstop],buffer);
if(!occopycat(tmp,sizeof(tmp),1,template->name))
return;
ocbytescat(buffer,tmp);
if(rank > 0) {
snprintf(tmp,sizeof(tmp),"[%lu]",(unsigned long)crossproduct);
ocbytescat(buffer,tmp);
}
ocbytescat(buffer,"\n");
/* dump the sub-instance, which might be fields, records, or elements */
if(!fisset(data->datamode,OCDT_ATOMIC)) {
for(i=0;i<data->ninstances;i++)
ocdumpdatatree(state,data->instances[i],buffer,depth+1);
}
}
void
ocdumpdatapath(OCstate* state, OCdata* data, OCbytes* buffer)
{
int i;
OCdata* path[1024];
char tmp[1024];
OCdata* pathdata;
OCnode* template;
int isrecord;
path[0] = data;
for(i=1;;i++) {
OCdata* next = path[i-1];
if(next->container == NULL) break;
path[i] = next->container;
}
/* Path is in reverse order */
for(i=i-1;i>=0;i--) {
pathdata = path[i];
template = pathdata->template;
ocbytescat(buffer,"/");
ocbytescat(buffer,template->name);
/* Check the mode of the next step in path */
if(i > 0) {
OCdata* next = path[i-1];
if(fisset(next->datamode,OCDT_FIELD)
|| fisset(next->datamode,OCDT_ELEMENT)
|| fisset(next->datamode,OCDT_RECORD)) {
snprintf(tmp,sizeof(tmp),".%lu",(unsigned long)next->index);
ocbytescat(buffer,tmp);
}
}
if(template->octype == OC_Atomic) {
if(template->array.rank > 0) {
off_t xproduct = octotaldimsize(template->array.rank,template->array.sizes);
snprintf(tmp,sizeof(tmp),"[0..%lu]",(unsigned long)xproduct-1);
ocbytescat(buffer,tmp);
}
}
isrecord = 0;
if(template->octype == OC_Sequence) {
/* Is this a record or a sequence ? */
isrecord = (fisset(pathdata->datamode,OCDT_RECORD) ? 1 : 0);
}
}
/* Add suffix to path */
if(iscontainer(template->octype)) {
/* add the container type, except distinguish record and sequence */
ocbytescat(buffer,":");
if(isrecord)
ocbytescat(buffer,"Record");
else
ocbytescat(buffer,octypetoddsstring(template->octype));
} else if(isatomic(template->octype)) {
/* add the atomic etype */
ocbytescat(buffer,":");
ocbytescat(buffer,octypetoddsstring(template->etype));
}
snprintf(tmp,sizeof(tmp),"->0x%0lx",(unsigned long)pathdata);
ocbytescat(buffer,tmp);
}
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