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/**
* VOTOPIC -- Query VO services by keyword topic
*
* Usage:
* votopic [<opts>] [ <object> | <ra> <dec> ] [ <size> ]
*
* @file votopic.c
* @author Mike Fitzpatrick
* @date 2/03/13
*
* @brief Query all VO Image services.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "votParse.h" /* keep these in order! */
#include "voApps.h"
#define MAX_ARGS 1024
/* Task specific option declarations. Task options are declared using the
* getopt_long(3) syntax.
*/
int voregistry (int argc, char **argv, size_t *len, void **result);
int vodata (int argc, char **argv, size_t *len, void **result);
int votopic (int argc, char **argv, size_t *len, void **result);
static Task self = { "votopic", votopic, 0, 0, 0 };
#ifdef USE_OPTS
static char *opts = "%hrs";
static struct option long_opts[] = {
{ "test", 2, 0, '%'}, /* --test is std */
{ "help", 2, 0, 'h'}, /* --help is std */
{ "subject", 2, 0, 's'}, /* subject keywords */
{ "return", 2, 0, 'r'}, /* return result to API */
{ NULL, 0, 0, 0 }
};
#endif
static int debug = 0; /* debug flag */
static int by_subj = 0; /* subject search */
extern void vot_setArg (char **argv, int *argc, char *value);
extern char *vot_mktemp (char *root);
extern int isDecimal (char *val);
extern int isSexagesimal (char *val);
static void Usage (void);
static void Tests (char *input);
/**
* Application entry point. All VOApps tasks MUST contain this
* method signature.
*/
int
votopic (int argc, char **argv, size_t *reslen, void **result)
{
int i, nres_arg = 0, ndat_arg = 0, status = OK, term = 0;
char *res_argv[MAX_ARGS], *dat_argv[MAX_ARGS], *topic = NULL;
char *resname;
memset (res_argv, 0, argc+2); /* initialize */
memset (dat_argv, 0, argc+2);
resname = vot_mktemp ("votopic");
/* Parse the argument list.
*/
if ((isDecimal (argv[argc-1]) || isSexagesimal (argv[argc-1])) &&
(isDecimal (argv[argc-2]) || isSexagesimal (argv[argc-2])) &&
(isDecimal (argv[argc-3]) || isSexagesimal (argv[argc-3])) )
term = argc - 4;
if ((isDecimal (argv[argc-1]) || isSexagesimal (argv[argc-1])) &&
!(isDecimal (argv[argc-2]) || isSexagesimal (argv[argc-2])) )
term = argc - 3;
if (!(isDecimal (argv[argc-1]) || isSexagesimal (argv[argc-1])) )
term = argc - 2;
/* Initialize the VOREGISTRY arguments.
*/
vot_setArg (res_argv, &nres_arg, "voregistry");
/* Initialize the VODATA arguments.
*/
vot_setArg (dat_argv, &ndat_arg, "vodata");
#ifdef OLD_METHOD
if (term <= 0) {
fprintf (stderr, "Error: missing <topic> and/or <object> argument\n");
return (ERR);
}
for (i=1; i < argc; i++) {
if (i == term) {
vot_setArg (dat_argv, &ndat_arg, resname);
topic = argv[i];
} else {
if (strcmp(argv[i],"-h")==0 || strcmp(argv[i],"--help")==0) {
Usage (); return (OK);
} else if (strcmp(argv[i],"-%")==0 || strcmp(argv[i],"--test")==0) {
Tests (NULL); return (self.nfail);
} else if (strcmp(argv[i],"-d")==0 || strcmp(argv[i],"--dbg")==0) {
debug++;
} else if (strcmp(argv[i],"-s")==0 ||
strcmp(argv[i],"--subject")==0) {
by_subj++;
} else if ((strcmp(argv[i],"-b")==0 ||
strcmp(argv[i],"--bpass")==0) ||
(strcmp(argv[i],"-t")==0 ||
strcmp(argv[i],"--type")==0)) {
vot_setArg (res_argv, &nres_arg, argv[ i]); /* -b | -t */
vot_setArg (res_argv, &nres_arg, argv[++i]); /* val */
} else
vot_setArg (dat_argv, &ndat_arg, argv[i]);
}
}
#else
for (i=1; i < argc; i++) {
if (strcmp(argv[i],"-h")==0 || strcmp(argv[i],"--help")==0) {
Usage (); return (0);
} else if (strcmp(argv[i],"-%")==0 || strcmp(argv[i],"--test")==0) {
Tests (NULL); return (0);
} else if (strcmp(argv[i],"-d")==0 || strcmp(argv[i],"--dbg")==0) {
debug++;
} else if (strcmp(argv[i],"-s")==0 ||
strcmp(argv[i],"--subject")==0) {
by_subj++;
} else if ((strcmp(argv[i],"-b")==0 ||
strcmp(argv[i],"--bpass")==0) ||
(strcmp(argv[i],"-t")==0 ||
strcmp(argv[i],"--type")==0)) {
vot_setArg (res_argv, &nres_arg, argv[ i]); /* -b | -t */
vot_setArg (res_argv, &nres_arg, argv[++i]); /* val */
} else {
if (!topic) {
vot_setArg (dat_argv, &ndat_arg, resname);
topic = argv[i];
} else {
vot_setArg (dat_argv, &ndat_arg, argv[i]);
}
}
}
if (topic == NULL) {
fprintf (stderr, "Error: missing <topic> argument\n");
return (ERR);
} else if (ndat_arg < 3) {
fprintf (stderr, "Error: missing <object> (or <pos>) argument\n");
return (ERR);
}
#endif
/* Create the list of VOREGISTRY arguments.
*/
vot_setArg (res_argv, &nres_arg, "-d"); /* dalOnly */
vot_setArg (res_argv, &nres_arg, "-o"); /* output name */
vot_setArg (res_argv, &nres_arg, resname);
if (by_subj)
vot_setArg (res_argv, &nres_arg, "-s");
vot_setArg (res_argv, &nres_arg, topic);
if (debug) {
for (i=0; i < nres_arg; i++)
printf ("'%s' ", res_argv[i]);
printf ("\n");
for (i=0; i < ndat_arg; i++)
printf ("'%s' ", dat_argv[i]);
printf ("\n");
}
/* Run the Registry query to get the resource list of topics.
*/
status = voregistry (nres_arg, res_argv, reslen, result);
/* Initialize result object whether we return an object or not.
*/
*reslen = 0;
*result = NULL;
/* The VODATA task does all the real work, execute it on the list of
* resources we just obtained.
*/
status = vodata (ndat_arg, dat_argv, reslen, result);
/* Clean up. Rememebr to free whatever pointers were created when
* parsing arguments.
*/
for (i=0; i < nres_arg; i++)
if (res_argv[i]);
free ((void *) res_argv[i]);
for (i=0; i < ndat_arg; i++)
if (dat_argv[i]);
free ((void *) dat_argv[i]);
unlink (resname);
return (status);
}
/**
* USAGE -- Print task help summary.
*/
static void
Usage (void)
{
fprintf (stderr, "\n Usage:\n\t"
"votopic [<opts>] <topic> { <object> | <ra> <dec> } [ <size> ]\n\n"
" where\n"
" -%%,--test run unit tests\n"
" -h,--help this message\n"
"\n"
"\n"
" Examples:\n\n"
" 1) Query for catalog data of A2712 from Resources related to\n"
" gravitational lensing:\n"
"\n"
" %% votopic -t catalog lens A2712\n"
"\n"
" This query is against only 142 services (data found for 128),\n"
" a similar query against ALL catalog services would require\n"
" more than 8000 services to be queried. This is equivalent to\n"
" the commands:\n"
"\n"
" %% voregistry -t catalog -d -o lens.xml lens\n"
" %% vodata lens.xml A2712\n"
"\n"
" Here the 'lens.xml' output file contains the resources to be\n"
" queried, the '-d' flag says to return only DAL services, the\n"
" '-t' flag resticts by service type. In the call to VODATA,\n"
" the 'lens.xml' file defines the 142 resources to be queried,\n"
" the contraint to service type and DAL-only was done in the\n"
" registry query that produced the file.\n"
"\n"
"\n"
);
}
/**
* Tests -- Task unit tests.
*/
static void
Tests (char *input)
{
Task *task = &self;
vo_taskTest (task, "--help", NULL);
vo_taskTest (task, "-t", "catalog", "lens", "A2712", NULL);
vo_taskTestReport (self);
}
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