/* * $Id: zoomtst3.c,v 1.8 2002/06/05 21:09:04 adam Exp $ * * Asynchronous multi-target client doing search and piggyback retrieval */#include <stdio.h>#include <stdlib.h>#include <string.h>#include <ctype.h>#include <yaz/xmalloc.h>#include <yaz/zoom.h>int main(int argc, char **argv){    int i;    int same_target = 0;    int no = argc-2;    ZOOM_connection z[500]; /* allow at most 500 connections */    ZOOM_resultset r[500];  /* and result sets .. */    ZOOM_options o = ZOOM_options_create ();    if (argc < 3)    {	fprintf (stderr, "usage:\n%s target1 target2 ... targetN query\n",		 *argv);	exit (1);    }    if (argc == 4 && isdigit(argv[1][0]) && !strchr(argv[1],'.'))    {	no = atoi(argv[1]);	same_target = 1;    }    if (no > 500)        no = 500;    /* async mode */    ZOOM_options_set (o, "async", "1");    /* get first 10 records of result set (using piggyback) */    ZOOM_options_set (o, "count", "10");    /* preferred record syntax */    ZOOM_options_set (o, "preferredRecordSyntax", "usmarc");    ZOOM_options_set (o, "elementSetName", "F");    /* connect to all */    for (i = 0; i<no; i++)    {	/* create connection - pass options (they are the same for all) */    	z[i] = ZOOM_connection_create (o);	/* connect and init */	if (same_target)    	    ZOOM_connection_connect (z[i], argv[2], 0);	else    	    ZOOM_connection_connect (z[i], argv[1+i], 0);    }    /* search all */    for (i = 0; i<no; i++)        r[i] = ZOOM_connection_search_pqf (z[i], argv[argc-1]);    /* network I/O. pass number of connections and array of connections */    while ((i = ZOOM_event (no, z)))    {        printf ("no = %d event = %d\n", i-1,                ZOOM_connection_last_event(z[i-1]));    }        /* no more to be done. Inspect results */    for (i = 0; i<no; i++)    {	int error;	const char *errmsg, *addinfo;	const char *tname = (same_target ? argv[2] : argv[1+i]);	/* display errors if any */	if ((error = ZOOM_connection_error(z[i], &errmsg, &addinfo)))	    fprintf (stderr, "%s error: %s (%d) %s\n", tname, errmsg,		     error, addinfo);	else	{	    /* OK, no major errors. Look at the result count */	    int pos;	    printf ("%s: %d hits\n", tname, ZOOM_resultset_size(r[i]));	    /* go through all records at target */	    for (pos = 0; pos < 10; pos++)	    {		int len; /* length of buffer rec */		const char *rec =		    ZOOM_record_get (                        ZOOM_resultset_record (r[i], pos), "render", &len);		/* if rec is non-null, we got a record for display */		if (rec)		{		    printf ("%d\n", pos+1);		    if (rec)			fwrite (rec, 1, len, stdout);		    printf ("\n");		}	    }	}    }    /* destroy and exit */    for (i = 0; i<no; i++)    {        ZOOM_resultset_destroy (r[i]);        ZOOM_connection_destroy (z[i]);    }    ZOOM_options_destroy(o);    exit (0);}