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/************************************************************************
* Call a SIAP search service and print the results as a CSV file.
*
* Usage: siap3 ra dec size [serviceURL]
*
* Or call with no args for the built-in unit test.
*
* M. Fitzpatrick, NOAO, June 2006
*/
#include <stdio.h>
#include <stdlib.h>
#include "VOClient.h"
double ra = 12.0; /* default values */
double dec = 0.0;
double size = 0.5;
char *service = "http://skyview.gsfc.nasa.gov/cgi-bin/vo/sia.pl?";
char *server = "6200:localhost";
static void callSiapService (char *url, double ra, double dec, double size);
int main (int argc, char *argv[])
{
/* Process command line arguments.
*/
if (argc <= 1) {
/* Use builtin defaults. */
} else if (argc >= 3) {
int arg = 1;
/* Look for a server specification. */
if (strncmp (argv[arg], "-ds",3) == 0)
server = argv[++arg];
ra = atof (argv[arg++]);
dec = atof (argv[arg++]);
size = atof (argv[arg++]);
if (arg < argc)
service = argv[arg++];
} else {
fprintf (stderr, "Usage: siap3 [-ds server] ra dec size [siapURL]\n");
exit(1);
}
/* Now call the Siap Service and summarize the results.
*/
callSiapService (service, ra, dec, size);
return (0);
}
/* Simple test routine to call a Siap search service and summarize results.
*/
static void
callSiapService (char *service_url, double ra, double dec, double size)
{
char *voc_opts = NULL;
char *vot = NULL;
DAL siap; /* DAL Connection */
Query query; /* query handle */
/* Initialize the VOClient code. Error messages are printed by the
* interface so we just quit if there is a problem.
*/
if (voc_initVOClient (voc_opts) == ERR)
return;
/* Get a new connection to the named service.
*/
siap = voc_openSiapConnection (service_url); /* open a connection */
/* Form a query. Here we'll use the one search size we're given for
* both the RA,DEC sizes, and specify a null format.
*/
query = voc_getSiapQuery (siap, ra, dec, size, size, NULL);
vot = voc_executeVOTable (query);
write (fileno(stdout), vot, strlen (vot));
free ((void *) vot); /* free local storage */
voc_closeConnection (siap); /* close the siap connection */
voc_closeVOClient (1); /* clean up and shutdown */
return;
}
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