2 * $Id: zoomtst3.c,v 1.7 2002-06-02 21:25:50 adam Exp $
4 * Asynchronous multi-target client doing search and piggyback retrieval
11 #include <yaz/xmalloc.h>
15 int main(int argc, char **argv)
20 ZOOM_connection z[500]; /* allow at most 500 connections */
21 ZOOM_resultset r[500]; /* and result sets .. */
22 ZOOM_options o = ZOOM_options_create ();
26 fprintf (stderr, "usage:\n%s target1 target2 ... targetN query\n",
30 if (argc == 4 && isdigit(argv[1][0]) && !strchr(argv[1],'.'))
40 ZOOM_options_set (o, "async", "1");
42 /* get first 10 records of result set (using piggyback) */
43 ZOOM_options_set (o, "count", "10");
45 /* preferred record syntax */
46 ZOOM_options_set (o, "preferredRecordSyntax", "usmarc");
47 ZOOM_options_set (o, "elementSetName", "F");
50 for (i = 0; i<no; i++)
52 /* create connection - pass options (they are the same for all) */
53 z[i] = ZOOM_connection_create (o);
55 /* connect and init */
57 ZOOM_connection_connect (z[i], argv[2], 0);
59 ZOOM_connection_connect (z[i], argv[1+i], 0);
62 for (i = 0; i<no; i++)
63 r[i] = ZOOM_connection_search_pqf (z[i], argv[argc-1]);
65 /* network I/O. pass number of connections and array of connections */
66 while ((i = ZOOM_event (no, z)))
68 printf ("no = %d event = %d\n", i-1,
69 ZOOM_connection_last_event(z[i-1]));
72 /* no more to be done. Inspect results */
73 for (i = 0; i<no; i++)
76 const char *errmsg, *addinfo;
77 const char *tname = (same_target ? argv[2] : argv[1+i]);
78 /* display errors if any */
79 if ((error = ZOOM_connection_error(z[i], &errmsg, &addinfo)))
80 fprintf (stderr, "%s error: %s (%d) %s\n", tname, errmsg,
84 /* OK, no major errors. Look at the result count */
86 printf ("%s: %d hits\n", tname, ZOOM_resultset_size(r[i]));
87 /* go through all records at target */
88 for (pos = 0; pos < 10; pos++)
90 int len; /* length of buffer rec */
93 ZOOM_resultset_record (r[i], pos), "render", &len);
94 /* if rec is non-null, we got a record for display */
97 printf ("%d\n", pos+1);
99 fwrite (rec, 1, len, stdout);
105 /* destroy and exit */
106 for (i = 0; i<no; i++)
108 ZOOM_resultset_destroy (r[i]);
109 ZOOM_connection_destroy (z[i]);
111 ZOOM_options_destroy(o);