2 * $Id: zoomtst3.c,v 1.8 2002-06-05 21:09:04 adam Exp $
4 * Asynchronous multi-target client doing search and piggyback retrieval
12 #include <yaz/xmalloc.h>
16 int main(int argc, char **argv)
21 ZOOM_connection z[500]; /* allow at most 500 connections */
22 ZOOM_resultset r[500]; /* and result sets .. */
23 ZOOM_options o = ZOOM_options_create ();
27 fprintf (stderr, "usage:\n%s target1 target2 ... targetN query\n",
31 if (argc == 4 && isdigit(argv[1][0]) && !strchr(argv[1],'.'))
41 ZOOM_options_set (o, "async", "1");
43 /* get first 10 records of result set (using piggyback) */
44 ZOOM_options_set (o, "count", "10");
46 /* preferred record syntax */
47 ZOOM_options_set (o, "preferredRecordSyntax", "usmarc");
48 ZOOM_options_set (o, "elementSetName", "F");
51 for (i = 0; i<no; i++)
53 /* create connection - pass options (they are the same for all) */
54 z[i] = ZOOM_connection_create (o);
56 /* connect and init */
58 ZOOM_connection_connect (z[i], argv[2], 0);
60 ZOOM_connection_connect (z[i], argv[1+i], 0);
63 for (i = 0; i<no; i++)
64 r[i] = ZOOM_connection_search_pqf (z[i], argv[argc-1]);
66 /* network I/O. pass number of connections and array of connections */
67 while ((i = ZOOM_event (no, z)))
69 printf ("no = %d event = %d\n", i-1,
70 ZOOM_connection_last_event(z[i-1]));
73 /* no more to be done. Inspect results */
74 for (i = 0; i<no; i++)
77 const char *errmsg, *addinfo;
78 const char *tname = (same_target ? argv[2] : argv[1+i]);
79 /* display errors if any */
80 if ((error = ZOOM_connection_error(z[i], &errmsg, &addinfo)))
81 fprintf (stderr, "%s error: %s (%d) %s\n", tname, errmsg,
85 /* OK, no major errors. Look at the result count */
87 printf ("%s: %d hits\n", tname, ZOOM_resultset_size(r[i]));
88 /* go through all records at target */
89 for (pos = 0; pos < 10; pos++)
91 int len; /* length of buffer rec */
94 ZOOM_resultset_record (r[i], pos), "render", &len);
95 /* if rec is non-null, we got a record for display */
98 printf ("%d\n", pos+1);
100 fwrite (rec, 1, len, stdout);
106 /* destroy and exit */
107 for (i = 0; i<no; i++)
109 ZOOM_resultset_destroy (r[i]);
110 ZOOM_connection_destroy (z[i]);
112 ZOOM_options_destroy(o);