examples/client.c

   1 /*
   2  * This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  15  *
  16  * Copyright (C) 2008 Liam Girdwood
  17  */
  18
  19 #include <stdlib.h>
  20 #include <errno.h>
  21 #include <sys/time.h>
  22 #include <stdio.h>
  23 #include <libastrodb/astrodb.h>
  24
  25
  26 /*
  27  * Search for all G type stars
  28  * Uses Wildcard "G*" to match with Sp
  29  */
  30 static int search(struct astrodb_table * table)
  31 {
  32         struct astrodb_slist *res = NULL;
  33         struct astrodb_search *srch;
  34         int err;
  35
  36         srch = astrodb_search_create(table);
  37         astrodb_search_add_comparator(srch, "MK", ADB_COMP_LT, "G*");
  38         astrodb_search_add_operator(srch, ADB_OP_OR);
  39
  40         err = astrodb_search_get_results(srch, &res, ADB_SMEM);
  41         if (err < 0)
  42                 printf("Search init failed %d\n", err);
  43
  44         printf("   Search got %d objects out of %d tests\n",
  45                 astrodb_search_get_hits(srch),
  46                 astrodb_search_get_tests(srch));
  47         astrodb_search_put_results(res);
  48         astrodb_search_free(srch);
  49         return 0;
  50 }
  51
  52 void init_table(void *data, void *user)
  53 {
  54         struct astrodb_table_info *i = (struct astrodb_table_info *) data;
  55         struct astrodb_db *db = (struct astrodb_db *) user;
  56         struct astrodb_table *table;
  57         int count;
  58         struct astrodb_slist *res = NULL;
  59         int table_size, object_size;
  60
  61         printf("\nDset: \t%s\nrecords:\t%d\nrec len: \t%d\ntitle: \t%s\n",
  62                 i->name, i->records, i->length, i->title);
  63
  64         table = astrodb_table_create(db, i->name, ADB_MEM | ADB_FILE);
  65         if (table == NULL) {
  66                 printf("failed to create table\n");
  67                 return;
  68         }
  69
  70         astrodb_table_add_custom_field(table, "*");
  71         if (astrodb_table_open(table, 0, 0, 0) < 0) {
  72                 printf("failed to open table\n");
  73                 return;
  74         }
  75
  76         table_size = astrodb_table_get_size(table);
  77         object_size = astrodb_table_get_row_size(table);
  78
  79         astrodb_table_unclip(table);
  80         count = astrodb_table_get_objects(table, &res, ADB_SMEM);
  81         printf("Got %d objects\n", count);
  82         astrodb_table_put_objects(res);
  83
  84         search(table);
  85         astrodb_table_close(table);
  86 }
  87
  88 int main(int argc, char *argv[])
  89 {
  90         struct astrodb_db *db = NULL;
  91         struct astrodb_library *lib = NULL;
  92         struct astrodb_dlist *tables;
  93
  94         printf("%s using libastrodb %s\n", argv[0], astrodb_get_version());
  95
  96         /* set the remote db and initialise local repository/cache */
  97         lib = astrodb_open_library("ftp://cdsarc.u-strasbg.fr/pub/cats", "lnc-test");
  98         if (lib == NULL) {
  99                 printf("failed to open library\n");
 100                 return -1;
 101         }
 102
 103         /* create a catalog, using class V and catalog 86 */
 104         /* ra,dec,mag bounds are set here along with the 3d tile array size */
 105         db = astrodb_create_db(lib, "V", "86", 0.0, 360.0, -90.0, 90.0,
 106                                 15.0, -2.0, 0);
 107         if (db == NULL) {
 108                 printf("failed to create db\n");
 109                 return -1;
 110         }
 111
 112         tables = astrodb_db_get_tables(db);
 113         astrodb_dlist_foreach(tables, init_table, db);
 114
 115         /* were now done with catalog */
 116         astrodb_db_free(db);
 117         astrodb_close_library(lib);
 118         return 0;
 119 }