1 /* $Id: zoomtst6.c,v 1.12 2006-04-21 10:28:08 adam Exp $ */
4 \brief Asynchronous multi-target client with two searches
9 #include <yaz/xmalloc.h>
13 static void display_records (const char *tname, ZOOM_resultset r)
15 /* OK, no major errors. Look at the result count */
17 printf ("%s: %ld hits\n", tname, (long) ZOOM_resultset_size(r));
18 /* go through all records at target */
19 for (pos = 0; pos < 4; pos++)
21 ZOOM_record rec = ZOOM_resultset_record (r, pos);
24 /* get database for record and record itself at pos */
25 const char *db = ZOOM_record_get (rec, "database", 0);
27 const char *render = ZOOM_record_get (rec, "render", &len);
28 /* if rec is non-null, we got a record for display */
31 printf ("%d %s\n", pos+1, (db ? db : "unknown"));
33 fwrite (render, 1, len, stdout);
40 int main(int argc, char **argv)
44 ZOOM_connection z[500]; /* allow at most 500 connections */
45 ZOOM_resultset r1[500]; /* and result sets .. */
46 ZOOM_resultset r2[500]; /* and result sets .. */
50 o = ZOOM_options_create ();
53 fprintf (stderr, "usage:\n%s target1 .. targetN query1 query2\n",
60 ZOOM_options_set (o, "async", "1");
62 /* get 3 (at most) records from beginning */
63 ZOOM_options_set (o, "count", "3");
65 ZOOM_options_set (o, "preferredRecordSyntax", "sutrs");
66 ZOOM_options_set (o, "elementSetName", "B");
69 q = ZOOM_query_create ();
70 if (ZOOM_query_prefix (q, argv[argc-2]))
72 printf ("bad PQF: %s\n", argv[argc-2]);
75 /* connect - and search all */
76 for (i = 0; i<no; i++)
78 z[i] = ZOOM_connection_create (o);
79 ZOOM_connection_connect (z[i], argv[i+1], 0);
80 r1[i] = ZOOM_connection_search (z[i], q);
82 if (ZOOM_query_prefix (q, argv[argc-1]))
84 printf ("bad prefix query: %s\n", argv[argc-1]);
87 /* queue second search */
88 for (i = 0; i<no; i++)
89 r2[i] = ZOOM_connection_search (z[i], q);
91 /* fetch 5th record from first result set as well */
92 for (i = 0; i<no; i++)
93 ZOOM_resultset_records (r1[i], 0, 4, 1);
96 while (ZOOM_event (no, z))
100 for (i = 0; i<no; i++)
103 const char *errmsg, *addinfo;
104 if ((error = ZOOM_connection_error(z[i], &errmsg, &addinfo)))
105 fprintf (stderr, "%s error: %s (%d) %s\n",
106 ZOOM_connection_option_get(z[i], "host"),
107 errmsg, error, addinfo);
110 display_records (ZOOM_connection_option_get(z[i], "host"), r1[i]);
111 display_records (ZOOM_connection_option_get(z[i], "host"), r2[i]);
114 /* destroy stuff and exit */
115 ZOOM_query_destroy (q);
116 for (i = 0; i<no; i++)
118 ZOOM_connection_destroy (z[i]);
119 ZOOM_resultset_destroy (r1[i]);
120 ZOOM_resultset_destroy (r2[i]);
122 ZOOM_options_destroy(o);
128 * indent-tabs-mode: nil
130 * vim: shiftwidth=4 tabstop=8 expandtab