/* 
 * Copyright (C) 1995-2005, Index Data 
 * See the file LICENSE for details.
 *
 */

/* Modified for the Greenstone Digital Library project, based on yaz 2's client.c
 kjdon, copying version 1.6 mods done by johnmcp */

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#include <ctype.h>
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if HAVE_LOCALE_H
#include <locale.h>
#endif
#if HAVE_LANGINFO_H
#include <langinfo.h>
#endif
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#endif

/* this one needs to be there
#if HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
*/
#include <sys/stat.h>

#if HAVE_OPENSSL_SSL_H
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#endif

#ifdef __WIN32__
#include <sys/stat.h>
#include <io.h>
#include <windows.h>
#define S_ISREG(x) (x & _S_IFREG)
#define S_ISDIR(x) (x & _S_IFDIR)
#endif

#include <yaz/yaz-util.h>

#include <yaz/comstack.h>

#include <yaz/proto.h>
#include <yaz/marcdisp.h>
#include <yaz/diagbib1.h>
#include <yaz/otherinfo.h>
#include <yaz/charneg.h>

#include <yaz/pquery.h>
#include <yaz/sortspec.h>

#include <yaz/ill.h>
#include <yaz/srw.h>
#include <yaz/yaz-ccl.h>
#include <yaz/cql.h>
#include <yaz/log.h>

#if HAVE_READLINE_READLINE_H
#include <readline/readline.h>
#endif
#if HAVE_READLINE_HISTORY_H
#include <readline/history.h>
#endif

/* these files are from the yaz client */
#include "tabcomplete.h"

#include "yaz_zclient.h"

#define C_PROMPT "Z> "

static char *codeset = 0;               /* character set for output */
static int hex_dump = 0;
static char *dump_file_prefix = 0;
static ODR out, in, print;              /* encoding and decoding streams */
#if HAVE_XML2
static ODR srw_sr_odr_out = 0;
static Z_SRW_PDU *srw_sr = 0;
#endif
static FILE *apdu_file = 0;
static FILE *ber_file = 0;
static COMSTACK conn = 0;               /* our z-association */
static Z_IdAuthentication *auth = 0;    /* our current auth definition */
char *databaseNames[128];
int num_databaseNames = 0;
static Z_External *record_last = 0;
static int setnumber = -1;              /* current result set number */
static int smallSetUpperBound = 0;
static int largeSetLowerBound = 1;
static int mediumSetPresentNumber = 0;
static Z_ElementSetNames *elementSetNames = 0; 
static int setno = 1;                   /* current set offset */
static enum oid_proto protocol = PROTO_Z3950;      /* current app protocol */
static enum oid_value recordsyntax = VAL_USMARC;
static char *record_schema = 0;
static int sent_close = 0;
static NMEM session_mem = NULL;         /* memory handle for init-response */
static Z_InitResponse *session = 0;     /* session parameters */
static char last_scan_line[512] = "0";
static char last_scan_query[512] = "0";
static char ccl_fields[512] = "default.bib";
/* ### How can I set this path to use wherever YAZ is installed? */
/* ############## change */
static char cql_fields[512] = "/research/kjdon/home/z3950/gsdl/packages/yaz2/etc/pqf.properties";
static char *esPackageName = 0;
static char *yazProxy = 0;
static int kilobytes = 1024;
static char *negotiationCharset = 0;
static int  negotiationCharsetRecords = 1;
static int  negotiationCharsetVersion = 3;
static char *outputCharset = 0;
static char *marcCharset = 0;
static char* yazLang = 0;
static char* http_version = "1.1";

static char last_cmd[32] = "?";
static FILE *marc_file = 0;
static char *refid = NULL;
static char *last_open_command = NULL;
static int auto_reconnect = 0;
static Odr_bitmask z3950_options;
static int z3950_version = 3;
static int scan_stepSize = 0;
static int scan_position = 1;
static int scan_size = 20;
static char cur_host[200];

typedef enum {
    QueryType_Prefix,
    QueryType_CCL,
    QueryType_CCL2RPN,
    QueryType_CQL,
    QueryType_CQL2RPN
} QueryType;

static QueryType queryType = QueryType_Prefix;

static CCL_bibset bibset;               /* CCL bibset handle */
static cql_transform_t cqltrans;	/* CQL context-set handle */

#if HAVE_READLINE_COMPLETION_OVER

#else
/* readline doesn't have this var. Define it ourselves. */
int rl_attempted_completion_over = 0;
#endif

/* set this one to 1, to avoid decode of unknown MARCs  */
#define AVOID_MARC_DECODE 1

#define maxOtherInfosSupported 10
struct {
    int oidval;
    char* value;
} extraOtherInfos[maxOtherInfosSupported];
	

void process_cmd_line(char* line);
char ** readline_completer(char *text, int start, int end);
char *command_generator(const char *text, int state);
char** curret_global_list=NULL;
int cmd_register_tab(const char* arg);

static void close_session (void);

ODR getODROutputStream()
{
    return out;
}

const char* query_type_as_string(QueryType q) 
{
    switch (q) { 
    case QueryType_Prefix: return "prefix (RPN sent to server)";
    case QueryType_CCL: return "CCL (CCL sent to server) ";
    case QueryType_CCL2RPN: return "CCL -> RPN (RPN sent to server)";
    case QueryType_CQL: return "CQL (CQL sent to server)";
    case QueryType_CQL2RPN: return "CQL -> RPN (RPN sent to server)";
    default: 
        return "unknown Query type internal yaz-client error";
    }
}

static void do_hex_dump(const char* buf, int len) 
{
    if (hex_dump)
    {
	int i,x;
	for( i=0; i<len ; i=i+16 ) 
	{			
	    printf(" %4.4d ",i);
	    for(x=0 ; i+x<len && x<16; ++x) 
	    {
		printf("%2.2X ",(unsigned int)((unsigned char)buf[i+x]));
	    }
	    printf("\n");
	}
    }
    if (dump_file_prefix)
    {
	static int no = 0;
	if (++no < 1000 && strlen(dump_file_prefix) < 500)
	{
	    char fname[1024];
	    FILE *of;
	    sprintf (fname, "%s.%03d.raw", dump_file_prefix, no);
	    of = fopen(fname, "wb");
	    
	    fwrite (buf, 1, len, of);
	    
	    fclose(of);
	}
    }
}

void add_otherInfos(Z_APDU *a) 
{
    Z_OtherInformation **oi;
    int i;
		
    yaz_oi_APDU(a, &oi);
    for(i=0; i<maxOtherInfosSupported; ++i) 
    {
        if(extraOtherInfos[i].oidval != -1) 
            yaz_oi_set_string_oidval(oi, out, extraOtherInfos[i].oidval,
                                     1, extraOtherInfos[i].value);
    }   
}

int send_apdu(Z_APDU *a)
{
    char *buf;
    int len;
    
    add_otherInfos(a);
    
    if (apdu_file)
    {
        z_APDU(print, &a, 0, 0);
        odr_reset(print);
    }
    if (!z_APDU(out, &a, 0, 0))
    {
        odr_perror(out, "Encoding APDU");
        close_session();
        return 0;
    }
    buf = odr_getbuf(out, &len, 0);
    if (ber_file)
        odr_dumpBER(ber_file, buf, len);
    /* printf ("sending APDU of size %d\n", len); */
    do_hex_dump(buf, len);
    if (cs_put(conn, buf, len) < 0)
    {
        fprintf(stderr, "cs_put: %s", cs_errmsg(cs_errno(conn)));
        close_session();
        return 0;
    }
    odr_reset(out); /* release the APDU structure  */
    return 1;
}

static void print_stringn(const unsigned char *buf, size_t len)
{
    size_t i;
    for (i = 0; i<len; i++)
        if ((buf[i] <= 126 && buf[i] >= 32) || strchr ("\n\r\t\f", buf[i]))
            printf ("%c", buf[i]);
        else
            printf ("\\X%02X", buf[i]);
}

static void print_refid (Z_ReferenceId *id)
{
    if (id)
    {
        printf ("Reference Id: ");
        print_stringn (id->buf, id->len);
        printf ("\n");
    }
}

static Z_ReferenceId *set_refid (ODR out)
{
    Z_ReferenceId *id;
    if (!refid)
        return 0;
    id = (Z_ReferenceId *) odr_malloc (out, sizeof(*id));
    id->size = id->len = strlen(refid);
    id->buf = (unsigned char *) odr_malloc (out, id->len);
    memcpy (id->buf, refid, id->len);
    return id;
}   

/* INIT SERVICE ------------------------------- */

static void send_initRequest(const char* type_and_host)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_initRequest);
    Z_InitRequest *req = apdu->u.initRequest;
    int i;

    req->options = &z3950_options;

    ODR_MASK_ZERO(req->protocolVersion);
    for (i = 0; i<z3950_version; i++)
	ODR_MASK_SET(req->protocolVersion, i);

    *req->maximumRecordSize = 1024*kilobytes;
    *req->preferredMessageSize = 1024*kilobytes;

    req->idAuthentication = auth;

    req->referenceId = set_refid (out);

    if (yazProxy && type_and_host) 
        yaz_oi_set_string_oidval(&req->otherInfo, out, VAL_PROXY,
        1, type_and_host);
    
    if (negotiationCharset || yazLang) {
    	Z_OtherInformation **p;
    	Z_OtherInformationUnit *p0;
    	
    	yaz_oi_APDU(apdu, &p);
    	
    	if ((p0=yaz_oi_update(p, out, NULL, 0, 0))) {
	    ODR_MASK_SET(req->options, Z_Options_negotiationModel);
	    
	    p0->which = Z_OtherInfo_externallyDefinedInfo;
	    p0->information.externallyDefinedInfo =
		yaz_set_proposal_charneg(
		    out,
		    (const char**)&negotiationCharset, 
		    negotiationCharset ? 1 : 0,
		    (const char**)&yazLang, yazLang ? 1 : 0, 
		    negotiationCharsetRecords);
    	}
    }
    
    send_apdu(apdu);
    /* (send_apdu(apdu))
	intf("Sent initrequest.\n");*/
}

/* in old version, John had got rid of process_initResponse, and added
   z_get_initResponse. I'll add this in but leave the other one alone 
 this returns the info that is used in the description for the 'collection'*/
char *z_get_initResponse()
{
    
    char* buffer; /* we are returning some info in this buffer */
    char *text_id="ID: ";
    char *text_name="<br>\nName: ";
    char *text_ver="<br>\nVersion: ";
    size_t initial_length;
    
    if (!*session->result)
	return NULL; /* no init info to return */
    
   
    initial_length = strlen(text_id)+strlen(text_name)+strlen(text_ver)+
	(session->implementationId?strlen(session->implementationId):0) +
	(session->implementationName?strlen(session->implementationName):0) +
	(session->implementationVersion?strlen(session->implementationVersion)
	 :0)  + 1; /* for null char */
    
    if ((buffer = malloc((sizeof(char *))*initial_length)) == NULL) {
	fprintf(stderr,"Malloc failed while initialising z39.50 server\n");
	return (NULL);
    }
    /* can't pass NULL to sprintf as a (char *) */
    sprintf(buffer,"%s%s%s%s%s%s",
	    session->implementationId?text_id:"",
	    session->implementationId?session->implementationId:"",
	    session->implementationName?text_name:"",
	    session->implementationName?session->implementationName:"",
	    session->implementationVersion?text_ver:"",
	    session->implementationVersion?session->implementationVersion:""
	    );
    return (buffer);
    
}

char *z_get_initResponseOld()
{
    char *buffer; 
    size_t needed_length;
    char *text_id="ID: ";
    char *text_name="<br>\nName: ";
    char *text_ver="<br>\nVersion: ";
    int counter;
    
    buffer=NULL;
    if (!*session->result)
	return NULL;
    
    /* work out total string length needed. Note strlen(NULL) is a bad thing
       to do. */
    needed_length=strlen(text_id)+strlen(text_name)+strlen(text_ver)+
	(session->implementationId?strlen(session->implementationId):0) +
	(session->implementationName?strlen(session->implementationName):0) +
	(session->implementationVersion?strlen(session->implementationVersion)
	 :0) +
	(session->userInformationField?
	 strlen(session->userInformationField->u.octet_aligned->buf):0) +
	1 /* for null char */ ;
    if ((buffer=malloc((sizeof(char *)) * needed_length))==NULL) {
	fprintf(stderr,"Malloc failed while initialising z39.50 server\n");
	return (NULL);
    }
    /* can't pass NULL to sprintf as a (char *) */
    sprintf(buffer,"%s%s%s%s%s%s",
	    session->implementationId?text_id:"",
	    session->implementationId?session->implementationId:"",
	    session->implementationName?text_name:"",
	    session->implementationName?session->implementationName:"",
	    session->implementationVersion?text_ver:"",
	    session->implementationVersion?session->implementationVersion:""
	    );
    
    /* if version 3, also check the other-information parameter of the
       response. (But check version is 3 first) */
    if (session->otherInfo)
	/**** From prt-proto.h *********** (comment added by johnmcp)
	      typedef struct Z_OtherInformationUnit
       .   {  Z_InfoCategory *category;        / * OPTIONAL * /
       .      int which;
       #define Z_OtherInfo_characterInfo 0
       #define Z_OtherInfo_binaryInfo 1
       #define Z_OtherInfo_externallyDefinedInfo 2
       #define Z_OtherInfo_oid 3
       .      union
       .        {
       .          char *characterInfo; 
       .          Odr_oct *binaryInfo;
       .          Z_External *externallyDefinedInfo;
       .          Odr_oid *oid;
       .        } information;
       .   } Z_OtherInformationUnit;
       
       typedef struct Z_OtherInformation
       {
       int num_elements;
       Z_OtherInformationUnit **list;
       } Z_OtherInformation;
	************/
	for (counter=0;counter<session->otherInfo->num_elements;counter++) {
	    if (session->otherInfo->list[counter]->which ==
		Z_OtherInfo_characterInfo) {
		
		/* add this extra string to our buffer */
		int where=strlen(buffer);
		buffer=realloc(buffer,where+
			       strlen(session->otherInfo->list[counter]->
				      information.characterInfo));
		strcpy(buffer+where,
		       session->otherInfo->list[counter]->
		       information.characterInfo);
	    }
	}
    return (buffer);
}


/* These two are used only from process_initResponse() */
static void render_initUserInfo(Z_OtherInformation *ui1);
static void render_diag(Z_DiagnosticFormat *diag);

static void pr_opt(const char *opt, void *clientData)
{
    printf (" %s", opt);
}

static int process_initResponse(Z_InitResponse *res)
{
    int ver = 0;
    /* save session parameters for later use */
    session_mem = odr_extract_mem(in);
    session = res;

    for (ver = 0; ver < 8; ver++)
        if (!ODR_MASK_GET(res->protocolVersion, ver))
            break;

    if (!*res->result)
        printf("Connection rejected by v%d target.\n", ver);
    else
        printf("Connection accepted by v%d target.\n", ver);
    if (res->implementationId)
        printf("ID     : %s\n", res->implementationId);
    if (res->implementationName)
        printf("Name   : %s\n", res->implementationName);
    if (res->implementationVersion)
        printf("Version: %s\n", res->implementationVersion);
    if (res->userInformationField)
    {
	Z_External *uif = res->userInformationField;
	if (uif->which == Z_External_userInfo1) {
	    render_initUserInfo(uif->u.userInfo1);
	} else {
	    printf("UserInformationfield:\n");
	    if (!z_External(print, (Z_External**)&uif, 0, 0))
	    {
		odr_perror(print, "Printing userinfo\n");
		odr_reset(print);
	    }
	    if (uif->which == Z_External_octet) {
		printf("Guessing visiblestring:\n");
		printf("'%.*s'\n", uif->u.octet_aligned->len,
		       uif->u.octet_aligned->buf);
	    }
	    else if (uif->which == Z_External_single) 
	    {
		Odr_any *sat = uif->u.single_ASN1_type;
		oident *oid = oid_getentbyoid(uif->direct_reference);
		if (oid->value == VAL_OCLCUI) {
		    Z_OCLC_UserInformation *oclc_ui;
		    ODR decode = odr_createmem(ODR_DECODE);
		    odr_setbuf(decode, sat->buf, sat->len, 0);
		    if (!z_OCLC_UserInformation(decode, &oclc_ui, 0, 0))
			printf ("Bad OCLC UserInformation:\n");
		    else
			printf ("OCLC UserInformation:\n");
		    if (!z_OCLC_UserInformation(print, &oclc_ui, 0, 0))
			printf ("Bad OCLC UserInformation spec\n");
		    odr_destroy(decode);
		}
		else
		{
		    /* Peek at any private Init-diagnostic APDUs */
		    printf("### NAUGHTY: External is '%.*s'\n",
			   sat->len, sat->buf);
		}
	    }
	    odr_reset (print);
	}
    }
    printf ("Options:");
    yaz_init_opt_decode(res->options, pr_opt, 0);
    printf ("\n");

    if (ODR_MASK_GET(res->options, Z_Options_namedResultSets))
        setnumber = 0;
    
    if (ODR_MASK_GET(res->options, Z_Options_negotiationModel)) {
    
    	Z_CharSetandLanguageNegotiation *p =
    		yaz_get_charneg_record(res->otherInfo);
    	
    	if (p) {
            
            char *charset=NULL, *lang=NULL;

            int selected;
            
            yaz_get_response_charneg(session_mem, p, &charset, &lang,
                                     &selected);

	    if (outputCharset && negotiationCharset) {
		    odr_set_charset (out, charset, outputCharset);
		    odr_set_charset (in, outputCharset, charset);
	    }
	    else {
		    odr_set_charset (out, 0, 0);
		    odr_set_charset (in, 0, 0);
	    }
            
            printf("Accepted character set : %s\n", charset);
            printf("Accepted code language : %s\n", lang ? lang : "none");
            printf("Accepted records in ...: %d\n", selected );
    	}
    }
    fflush (stdout);
    return 0;
}


static void render_initUserInfo(Z_OtherInformation *ui1) {
    int i;
    printf("Init response contains %d otherInfo unit%s:\n",
	   ui1->num_elements, ui1->num_elements == 1 ? "" : "s");

    for (i = 0; i < ui1->num_elements; i++) {
	Z_OtherInformationUnit *unit = ui1->list[i];
	printf("  %d: otherInfo unit contains ", i+1);
	if (unit->which == Z_OtherInfo_externallyDefinedInfo &&
	    unit->information.externallyDefinedInfo &&
	    unit->information.externallyDefinedInfo->which ==
	    Z_External_diag1) {
	    render_diag(unit->information.externallyDefinedInfo->u.diag1);
	} 
	else if (unit->which != Z_OtherInfo_externallyDefinedInfo)
	{
	    printf("unsupported otherInfo unit->which = %d\n", unit->which);
	}
	else 
	{
	    printf("unsupported otherInfo unit external %d\n",
		   unit->information.externallyDefinedInfo ? 
		   unit->information.externallyDefinedInfo->which : -2);
	}
    }
}


/* ### should this share code with display_diagrecs()? */
static void render_diag(Z_DiagnosticFormat *diag) {
    int i;

    printf("%d diagnostic%s:\n", diag->num, diag->num == 1 ? "" : "s");
    for (i = 0; i < diag->num; i++) {
	Z_DiagnosticFormat_s *ds = diag->elements[i];
	printf("    %d: ", i+1);
	switch (ds->which) {
	case Z_DiagnosticFormat_s_defaultDiagRec: {
	    Z_DefaultDiagFormat *dd = ds->u.defaultDiagRec;
	    /* ### should check `dd->diagnosticSetId' */
	    printf("code=%d (%s)", *dd->condition,
		   diagbib1_str(*dd->condition));
	    /* Both types of addinfo are the same, so use type-pun */
	    if (dd->u.v2Addinfo != 0)
		printf(",\n\taddinfo='%s'", dd->u.v2Addinfo);
	    break;
	}
	case Z_DiagnosticFormat_s_explicitDiagnostic:
	    printf("Explicit diagnostic (not supported)");
	    break;
	default:
	    printf("Unrecognised diagnostic type %d", ds->which);
	    break;
	}

	if (ds->message != 0)
	    printf(", message='%s'", ds->message);
	printf("\n");
    }
}


static int set_base(const char *arg)
{
    int i;
    const char *cp;

    for (i = 0; i<num_databaseNames; i++)
        xfree (databaseNames[i]);
    num_databaseNames = 0;
    while (1)
    {
        char *cp1;
        if (!(cp = strchr(arg, ' ')))
            cp = arg + strlen(arg);
        if (cp - arg < 1)
            break;
        databaseNames[num_databaseNames] = (char *)xmalloc (1 + cp - arg);
        memcpy (databaseNames[num_databaseNames], arg, cp - arg);
        databaseNames[num_databaseNames][cp - arg] = '\0';

        for (cp1 = databaseNames[num_databaseNames]; *cp1 ; cp1++)
            if (*cp1 == '+')
                *cp1 = ' ';
        num_databaseNames++;

        if (!*cp)
            break;
        arg = cp+1;
    }
    if (num_databaseNames == 0)
    {
        num_databaseNames = 1;
        databaseNames[0] = xstrdup("");
    }
    return 1;
}

static int cmd_base(const char *arg)
{
    if (!*arg)
    {
        printf("Usage: base <database> <database> ...\n");
        return 0;
    }
    return set_base(arg);
}

void cmd_open_remember_last_open_command(const char* arg, char* new_open_command)
{
    if(last_open_command != arg) 
    {
        if(last_open_command) xfree(last_open_command);
        last_open_command = xstrdup(new_open_command);
    }
}

int session_connect(const char *arg)
{
    void *add;
    char type_and_host[101];
    const char *basep = 0;
#if HAVE_OPENSSL_SSL_H
    SSL *ssl;
#endif
    if (conn)
    {
        cs_close (conn);
        conn = NULL;
        if (session_mem)
        {
            nmem_destroy (session_mem);
            session_mem = NULL;
        }
    }   
    cs_get_host_args(arg, &basep);

    strncpy(type_and_host, arg, sizeof(type_and_host)-1);
    type_and_host[sizeof(type_and_host)-1] = '\0';

    cmd_open_remember_last_open_command(arg, type_and_host);

    if (yazProxy)
        conn = cs_create_host(yazProxy, 1, &add);
    else
        conn = cs_create_host(arg, 1, &add);
    if (!conn)
    {
        printf ("Couldn't create comstack\n");
        return 0;
    }
#if HAVE_XML2
    if (conn->protocol == PROTO_HTTP)
	queryType = QueryType_CQL;
#else
    if (conn->protocol == PROTO_HTTP)
    {
        printf ("SRW/HTTP not enabled in this YAZ\n");
        cs_close(conn);
        conn = 0;
        return 0;
    }
#endif
    protocol = conn->protocol;
    if (conn->protocol == PROTO_HTTP)
        set_base("");
    else
        set_base("Default");
    /*intf("Connecting...");*/
    fflush(stdout);
    if (cs_connect(conn, add) < 0)
    {
        printf ("error = %s\n", cs_strerror(conn));
        if (conn->cerrno == CSYSERR)
	{
	    char msg[256];
	    yaz_strerror(msg, sizeof(msg));
	    printf ("%s\n", msg);
	}
        cs_close(conn);
        conn = 0;
        return 0;
    }
    /*intf("OK.\n");*/
#if HAVE_OPENSSL_SSL_H
    if ((ssl = (SSL *) cs_get_ssl(conn)))
    {
	X509 *server_cert = SSL_get_peer_certificate (ssl);

	if (server_cert)
	{
	    char *pem_buf;
	    int pem_len;
	    BIO *bio = BIO_new(BIO_s_mem());

	    /* get PEM buffer in memory */
	    PEM_write_bio_X509(bio, server_cert);
	    pem_len = BIO_get_mem_data(bio, &pem_buf);
	    fwrite(pem_buf, pem_len, 1, stdout);
	
	    /* print all info on screen .. */
	    X509_print_fp(stdout, server_cert);
	    BIO_free(bio);

	    X509_free (server_cert);
	}
    }
#endif
    if (basep && *basep)
        set_base (basep);
    if (protocol == PROTO_Z3950)
    {
        send_initRequest(type_and_host);
        return 2;
    }
    return 0;
}

static int cmd_open(const char *arg)
{
    if (arg)
    {
        strncpy (cur_host, arg, sizeof(cur_host)-1);
        cur_host[sizeof(cur_host)-1] = 0;
    }
    return session_connect(cur_host);
}

int z_cmd_open(char *host_and_port, char *base)
{
    char * full_command = (char *) xmalloc (strlen(host_and_port)+strlen(base)+6);
    strcpy(full_command, "tcp:");
    strcat(full_command, host_and_port);
    strcat(full_command, "/");
    strcat(full_command, base);
    return cmd_open(full_command);
}


void try_reconnect() 
{
    char* open_command;
	
    if(!( auto_reconnect && last_open_command) ) return ;

    open_command = (char *) xmalloc (strlen(last_open_command)+6);
    strcpy (open_command, "open ");
	
    strcat (open_command, last_open_command);

    process_cmd_line(open_command);
	
    xfree(open_command);				
}

int cmd_authentication(const char *arg)
{
    static Z_IdAuthentication au;
    static char user[40], group[40], pass[40];
    static Z_IdPass idPass;
    int r;

    if (!*arg)
    {
        printf("Auth field set to null\n");
        auth = 0;
        return 1;
    }
    r = sscanf (arg, "%39s %39s %39s", user, group, pass);
    if (r == 0)
    {
        printf("Authentication set to null\n");
        auth = 0;
    }
    if (r == 1)
    {
        auth = &au;
	if (!strcmp(user, "-")) {
	    au.which = Z_IdAuthentication_anonymous;
	    printf("Authentication set to Anonymous\n");
	} else {
	    au.which = Z_IdAuthentication_open;
	    au.u.open = user;
	    printf("Authentication set to Open (%s)\n", user);
	}
    }
    if (r == 2)
    {
        auth = &au;
        au.which = Z_IdAuthentication_idPass;
        au.u.idPass = &idPass;
        idPass.groupId = NULL;
        idPass.userId = user;
        idPass.password = group;
	printf("Authentication set to User (%s), Pass (%s)\n", user, group);
    }
    if (r == 3)
    {
        auth = &au;
        au.which = Z_IdAuthentication_idPass;
        au.u.idPass = &idPass;
        idPass.groupId = group;
        idPass.userId = user;
        idPass.password = pass;
	printf("Authentication set to User (%s), Group (%s), Pass (%s)\n",
	       user, group, pass);
    }
    return 1;
}

/* SEARCH SERVICE ------------------------------ */
static void display_record(Z_External *r);

static void print_record(const unsigned char *buf, size_t len)
{
    size_t i = len;
    print_stringn (buf, len);
    /* add newline if not already added ... */
    if (i <= 0 || buf[i-1] != '\n')
        printf ("\n");
}

static void display_record(Z_External *r)
{
    oident *ent = oid_getentbyoid(r->direct_reference);

    record_last = r;
    /*
     * Tell the user what we got.
     */
    if (r->direct_reference)
    {
        printf("Record type: ");
        if (ent)
            printf("%s\n", ent->desc);
        else if (!odr_oid(print, &r->direct_reference, 0, 0))
        {
            odr_perror(print, "print oid");
            odr_reset(print);
        }
    }
    /* Check if this is a known, ASN.1 type tucked away in an octet string */
    if (ent && r->which == Z_External_octet)
    {
        Z_ext_typeent *type = z_ext_getentbyref(ent->value);
        char *rr;

        if (type)
        {
            /*
             * Call the given decoder to process the record.
             */
            odr_setbuf(in, (char*)r->u.octet_aligned->buf,
                r->u.octet_aligned->len, 0);
            if (!(*type->fun)(in, &rr, 0, 0))
            {
                odr_perror(in, "Decoding constructed record.");
                fprintf(stdout, "[Near %d]\n", odr_offset(in));
                fprintf(stdout, "Packet dump:\n---------\n");
                odr_dumpBER(stdout, (char*)r->u.octet_aligned->buf,
                            r->u.octet_aligned->len);
                fprintf(stdout, "---------\n");
                
		/* note just ignores the error ant print the bytes form the octet_aligned later */
            } else {
                /*
                 * Note: we throw away the original, BER-encoded record here.
                 * Do something else with it if you want to keep it.
                 */
                r->u.sutrs = (Z_SUTRS *) rr; /* we don't actually check the type here. */
                r->which = type->what;
            }
        }
    }
    if (ent && ent->value == VAL_SOIF)
    {
        print_record((const unsigned char *) r->u.octet_aligned->buf,
                     r->u.octet_aligned->len);
        if (marc_file)
            fwrite (r->u.octet_aligned->buf, 1, r->u.octet_aligned->len, marc_file);
    }
    else if (r->which == Z_External_octet)
    {
        const char *octet_buf = (char*)r->u.octet_aligned->buf;
        if (ent->oclass == CLASS_RECSYN && 
		(ent->value == VAL_TEXT_XML || 
		 ent->value == VAL_APPLICATION_XML ||
		 ent->value == VAL_HTML))
        {
            print_record((const unsigned char *) octet_buf,
                         r->u.octet_aligned->len);
        }
        else if (ent->value == VAL_POSTSCRIPT)
        {
            int size = r->u.octet_aligned->len;
            if (size > 100)
                size = 100;
            print_record((const unsigned char *) octet_buf, size);
        }
        else
        {
            if ( 
#if AVOID_MARC_DECODE
                /* primitive check for a marc OID 5.1-29 except 16 */
                ent->oidsuffix[0] == 5 && ent->oidsuffix[1] < 30 &&
                ent->oidsuffix[1] != 16
#else
                1
#endif
                )
            {
                char *result;
                int rlen;
                yaz_iconv_t cd = 0;
                yaz_marc_t mt = yaz_marc_create();
                    
                if (yaz_marc_decode_buf(mt, octet_buf,r->u.octet_aligned->len,
                                        &result, &rlen)> 0)
                {
                    char *from = 0;
                    if (marcCharset && !strcmp(marcCharset, "auto"))
                    {
                        if (ent->value == VAL_USMARC)
                        {
                            if (octet_buf[9] == 'a')
                                from = "UTF-8";
                            else
                                from = "MARC-8";
                        }
                        else
                            from = "ISO-8859-1";
                    }
		    else if (marcCharset)
			from = marcCharset;
                    if (outputCharset && from)
                    {   
                        cd = yaz_iconv_open(outputCharset, from);
                        printf ("convert from %s to %s", from, 
                                outputCharset);
			if (!cd)
			    printf (" unsupported\n");
			else
			    printf ("\n");
                    }
                    if (!cd)
                        fwrite (result, 1, rlen, stdout);
                    else
                    {
                        char outbuf[6];
                        size_t inbytesleft = rlen;
                        const char *inp = result;
                        
                        while (inbytesleft)
                        {
                            size_t outbytesleft = sizeof(outbuf);
                            char *outp = outbuf;
			    size_t r;

                            r = yaz_iconv (cd, (char**) &inp,
					   &inbytesleft, 
					   &outp, &outbytesleft);
                            if (r == (size_t) (-1))
                            {
                                int e = yaz_iconv_error(cd);
                                if (e != YAZ_ICONV_E2BIG)
                                    break;
                            }
                            fwrite (outbuf, outp - outbuf, 1, stdout);
                        }
                    }
                }
		else
                {
                    printf ("bad MARC. Dumping as it is:\n");
                    print_record((const unsigned char*) octet_buf,
                                  r->u.octet_aligned->len);
		}	
                yaz_marc_destroy(mt);
                if (cd)
                    yaz_iconv_close(cd);
            }
            else
            {
                print_record((const unsigned char*) octet_buf,
                             r->u.octet_aligned->len);
            }
        }
        if (marc_file)
            fwrite (octet_buf, 1, r->u.octet_aligned->len, marc_file);
    }
    else if (ent && ent->value == VAL_SUTRS)
    {
        if (r->which != Z_External_sutrs)
        {
            printf("Expecting single SUTRS type for SUTRS.\n");
            return;
        }
        print_record(r->u.sutrs->buf, r->u.sutrs->len);
        if (marc_file)
            fwrite (r->u.sutrs->buf, 1, r->u.sutrs->len, marc_file);
    }
    else if (ent && ent->value == VAL_GRS1)
    {
        WRBUF w;
        if (r->which != Z_External_grs1)
        {
            printf("Expecting single GRS type for GRS.\n");
            return;
        }
        w = wrbuf_alloc();
        yaz_display_grs1(w, r->u.grs1, 0);
        puts (wrbuf_buf(w));
        wrbuf_free(w, 1);
    }
    else if (ent && ent->value == VAL_OPAC)
    {
	int i;
	if (r->u.opac->bibliographicRecord)
	    display_record(r->u.opac->bibliographicRecord);
	for (i = 0; i<r->u.opac->num_holdingsData; i++)
	{
	    Z_HoldingsRecord *h = r->u.opac->holdingsData[i];
	    if (h->which == Z_HoldingsRecord_marcHoldingsRecord)
	    {
		printf ("MARC holdings %d\n", i);
		display_record(h->u.marcHoldingsRecord);
	    }
	    else if (h->which == Z_HoldingsRecord_holdingsAndCirc)
	    {
		int j;

		Z_HoldingsAndCircData *data = h->u.holdingsAndCirc;

		printf ("Data holdings %d\n", i);
		if (data->typeOfRecord)
		    printf ("typeOfRecord: %s\n", data->typeOfRecord);
		if (data->encodingLevel)
		    printf ("encodingLevel: %s\n", data->encodingLevel);
		if (data->receiptAcqStatus)
		    printf ("receiptAcqStatus: %s\n", data->receiptAcqStatus);
		if (data->generalRetention)
		    printf ("generalRetention: %s\n", data->generalRetention);
		if (data->completeness)
		    printf ("completeness: %s\n", data->completeness);
		if (data->dateOfReport)
		    printf ("dateOfReport: %s\n", data->dateOfReport);
		if (data->nucCode)
		    printf ("nucCode: %s\n", data->nucCode);
		if (data->localLocation)
		    printf ("localLocation: %s\n", data->localLocation);
		if (data->shelvingLocation)
		    printf ("shelvingLocation: %s\n", data->shelvingLocation);
		if (data->callNumber)
		    printf ("callNumber: %s\n", data->callNumber);
		if (data->shelvingData)
		    printf ("shelvingData: %s\n", data->shelvingData);
		if (data->copyNumber)
		    printf ("copyNumber: %s\n", data->copyNumber);
		if (data->publicNote)
		    printf ("publicNote: %s\n", data->publicNote);
		if (data->reproductionNote)
		    printf ("reproductionNote: %s\n", data->reproductionNote);
		if (data->termsUseRepro)
		    printf ("termsUseRepro: %s\n", data->termsUseRepro);
		if (data->enumAndChron)
		    printf ("enumAndChron: %s\n", data->enumAndChron);
		for (j = 0; j<data->num_volumes; j++)
		{
		    printf ("volume %d\n", j);
		    if (data->volumes[j]->enumeration)
			printf (" enumeration: %s\n",
				data->volumes[j]->enumeration);
		    if (data->volumes[j]->chronology)
			printf (" chronology: %s\n",
				data->volumes[j]->chronology);
		    if (data->volumes[j]->enumAndChron)
			printf (" enumAndChron: %s\n",
				data->volumes[j]->enumAndChron);
		}
		for (j = 0; j<data->num_circulationData; j++)
		{
		    printf ("circulation %d\n", j);
		    if (data->circulationData[j]->availableNow)
			printf (" availableNow: %d\n",
				*data->circulationData[j]->availableNow);
		    if (data->circulationData[j]->availablityDate)
			printf (" availabiltyDate: %s\n",
				data->circulationData[j]->availablityDate);
		    if (data->circulationData[j]->availableThru)
			printf (" availableThru: %s\n",
				data->circulationData[j]->availableThru);
		    if (data->circulationData[j]->restrictions)
			printf (" restrictions: %s\n",
				data->circulationData[j]->restrictions);
		    if (data->circulationData[j]->itemId)
			printf (" itemId: %s\n",
				data->circulationData[j]->itemId);
		    if (data->circulationData[j]->renewable)
			printf (" renewable: %d\n",
				*data->circulationData[j]->renewable);
		    if (data->circulationData[j]->onHold)
			printf (" onHold: %d\n",
				*data->circulationData[j]->onHold);
		    if (data->circulationData[j]->enumAndChron)
			printf (" enumAndChron: %s\n",
				data->circulationData[j]->enumAndChron);
		    if (data->circulationData[j]->midspine)
			printf (" midspine: %s\n",
				data->circulationData[j]->midspine);
		    if (data->circulationData[j]->temporaryLocation)
			printf (" temporaryLocation: %s\n",
				data->circulationData[j]->temporaryLocation);
		}
	    }
	}
    }
    else 
    {
        printf("Unknown record representation.\n");
        if (!z_External(print, &r, 0, 0))
        {
            odr_perror(print, "Printing external");
            odr_reset(print);
        }
    }
}

static void display_diagrecs(Z_DiagRec **pp, int num)
{
    int i;
    oident *ent;
    Z_DefaultDiagFormat *r;

    printf("Diagnostic message(s) from database:\n");
    for (i = 0; i<num; i++)
    {
        Z_DiagRec *p = pp[i];
        if (p->which != Z_DiagRec_defaultFormat)
        {
            printf("Diagnostic record not in default format.\n");
            return;
        }
        else
            r = p->u.defaultFormat;
        if (!(ent = oid_getentbyoid(r->diagnosticSetId)) ||
            ent->oclass != CLASS_DIAGSET || ent->value != VAL_BIB1)
            printf("Missing or unknown diagset\n");
        printf("    [%d] %s", *r->condition, diagbib1_str(*r->condition));
        switch (r->which)
        {
        case Z_DefaultDiagFormat_v2Addinfo:
            printf (" -- v2 addinfo '%s'\n", r->u.v2Addinfo);
            break;
        case Z_DefaultDiagFormat_v3Addinfo:
            printf (" -- v3 addinfo '%s'\n", r->u.v3Addinfo);
            break;
        }
    }
}


static void display_nameplusrecord(Z_NamePlusRecord *p)
{
    if (p->databaseName)
        printf("[%s]", p->databaseName);
    if (p->which == Z_NamePlusRecord_surrogateDiagnostic)
        display_diagrecs(&p->u.surrogateDiagnostic, 1);
    else if (p->which == Z_NamePlusRecord_databaseRecord)
        display_record(p->u.databaseRecord);
}

static void display_records(Z_Records *p)
{
    int i;

    if (p->which == Z_Records_NSD)
    {
        Z_DiagRec dr, *dr_p = &dr;
        dr.which = Z_DiagRec_defaultFormat;
        dr.u.defaultFormat = p->u.nonSurrogateDiagnostic;
        display_diagrecs (&dr_p, 1);
    }
    else if (p->which == Z_Records_multipleNSD)
        display_diagrecs (p->u.multipleNonSurDiagnostics->diagRecs,
                          p->u.multipleNonSurDiagnostics->num_diagRecs);
    else 
    {
        printf("Records: %d\n", p->u.databaseOrSurDiagnostics->num_records);
        for (i = 0; i < p->u.databaseOrSurDiagnostics->num_records; i++)
            display_nameplusrecord(p->u.databaseOrSurDiagnostics->records[i]);
    }
}

static int send_deleteResultSetRequest(const char *arg)
{
    char names[8][32];
    int i;

    Z_APDU *apdu = zget_APDU(out, Z_APDU_deleteResultSetRequest);
    Z_DeleteResultSetRequest *req = apdu->u.deleteResultSetRequest;

    req->referenceId = set_refid (out);

    req->num_resultSetList =
        sscanf (arg, "%30s %30s %30s %30s %30s %30s %30s %30s",
                names[0], names[1], names[2], names[3],
                names[4], names[5], names[6], names[7]);

    req->deleteFunction = (int *)
        odr_malloc (out, sizeof(*req->deleteFunction));
    if (req->num_resultSetList > 0)
    {
        *req->deleteFunction = Z_DeleteResultSetRequest_list;
        req->resultSetList = (char **)
            odr_malloc (out, sizeof(*req->resultSetList)*
                        req->num_resultSetList);
        for (i = 0; i<req->num_resultSetList; i++)
            req->resultSetList[i] = names[i];
    }
    else
    {
        *req->deleteFunction = Z_DeleteResultSetRequest_all;
        req->resultSetList = 0;
    }
    
    send_apdu(apdu);
    printf("Sent deleteResultSetRequest.\n");
    return 2;
}

#if HAVE_XML2
static int send_srw(Z_SRW_PDU *sr)
{
    const char *charset = negotiationCharset;
    const char *host_port = cur_host;
    char *path = 0;
    char ctype[50];
    Z_SOAP_Handler h[2] = {
        {"http://www.loc.gov/zing/srw/", 0, (Z_SOAP_fun) yaz_srw_codec},
        {0, 0, 0}
    };
    ODR o = odr_createmem(ODR_ENCODE);
    int ret;
    Z_SOAP *p = odr_malloc(o, sizeof(*p));
    Z_GDU *gdu;

    path = odr_malloc(out, strlen(databaseNames[0])+2);
    *path = '/';
    strcpy(path+1, databaseNames[0]);

    gdu = z_get_HTTP_Request(out);
    gdu->u.HTTP_Request->version = http_version;
    gdu->u.HTTP_Request->path = odr_strdup(out, path);

    if (host_port)
    {
        const char *cp0 = strstr(host_port, "://");
        const char *cp1 = 0;
        if (cp0)
            cp0 = cp0+3;
        else
            cp0 = host_port;

        cp1 = strchr(cp0, '/');
        if (!cp1)
            cp1 = cp0+strlen(cp0);

        if (cp0 && cp1)
        {
            char *h = odr_malloc(out, cp1 - cp0 + 1);
            memcpy (h, cp0, cp1 - cp0);
            h[cp1-cp0] = '\0';
            z_HTTP_header_add(out, &gdu->u.HTTP_Request->headers,
                              "Host", h);
        }
    }

    strcpy(ctype, "text/xml");
    if (charset && strlen(charset) < 20)
    {
        strcat(ctype, "; charset=");
        strcat(ctype, charset);
    }
    z_HTTP_header_add(out, &gdu->u.HTTP_Request->headers,
                      "Content-Type", ctype);
    z_HTTP_header_add(out, &gdu->u.HTTP_Request->headers,
                      "SOAPAction", "\"\"");
    p->which = Z_SOAP_generic;
    p->u.generic = odr_malloc(o, sizeof(*p->u.generic));
    p->u.generic->no = 0;
    p->u.generic->ns = 0;
    p->u.generic->p = sr;
    p->ns = "http://schemas.xmlsoap.org/soap/envelope/";

    ret = z_soap_codec_enc(o, &p,
                           &gdu->u.HTTP_Request->content_buf,
                           &gdu->u.HTTP_Request->content_len, h,
                           charset);

    if (z_GDU(out, &gdu, 0, 0))
    {
        /* encode OK */
        char *buf_out;
        int len_out;
        int r;
	if (apdu_file)
	{
	    if (!z_GDU(print, &gdu, 0, 0))
		printf ("Failed to print outgoing APDU\n");
	    odr_reset(print);
	}
        buf_out = odr_getbuf(out, &len_out, 0);
        
        /* we don't odr_reset(out), since we may need the buffer again */

	do_hex_dump(buf_out, len_out);

        r = cs_put(conn, buf_out, len_out);

        odr_destroy(o);
        
        if (r >= 0)
            return 2;
    }
    return 0;
}
#endif

#if HAVE_XML2
static int send_SRW_scanRequest(const char *arg, int pos, int num)
{
    Z_SRW_PDU *sr = 0;
    
    /* regular requestse .. */
    sr = yaz_srw_get(out, Z_SRW_scan_request);

    switch(queryType)
    {
    case QueryType_CQL:
	sr->u.scan_request->query_type = Z_SRW_query_type_cql;
	sr->u.scan_request->scanClause.cql = odr_strdup(out, arg);
	break;
    case QueryType_Prefix:
	sr->u.scan_request->query_type = Z_SRW_query_type_pqf;
	sr->u.scan_request->scanClause.pqf = odr_strdup(out, arg);
	break;
    default:
	printf ("Only CQL and PQF supported in SRW\n");
	return 0;
    }
    sr->u.scan_request->responsePosition = odr_intdup(out, pos);
    sr->u.scan_request->maximumTerms = odr_intdup(out, num);
    return send_srw(sr);
}

static int send_SRW_searchRequest(const char *arg)
{
    Z_SRW_PDU *sr = 0;
    
    if (!srw_sr)
    {
        assert(srw_sr_odr_out == 0);
        srw_sr_odr_out = odr_createmem(ODR_ENCODE);
    }
    odr_reset(srw_sr_odr_out);

    setno = 1;

    /* save this for later .. when fetching individual records */
    srw_sr =  yaz_srw_get(srw_sr_odr_out, Z_SRW_searchRetrieve_request);
    
    /* regular request .. */
    sr = yaz_srw_get(out, Z_SRW_searchRetrieve_request);

    switch(queryType)
    {
    case QueryType_CQL:
	srw_sr->u.request->query_type = Z_SRW_query_type_cql;
	srw_sr->u.request->query.cql = odr_strdup(srw_sr_odr_out, arg);

	sr->u.request->query_type = Z_SRW_query_type_cql;
	sr->u.request->query.cql = odr_strdup(out, arg);
	break;
    case QueryType_Prefix:
	srw_sr->u.request->query_type = Z_SRW_query_type_pqf;
	srw_sr->u.request->query.pqf = odr_strdup(srw_sr_odr_out, arg);

	sr->u.request->query_type = Z_SRW_query_type_pqf;
	sr->u.request->query.pqf = odr_strdup(out, arg);
	break;
    default:
	printf ("Only CQL and PQF supported in SRW\n");
	return 0;
    }
    sr->u.request->maximumRecords = odr_intdup(out, 0);

    if (record_schema)
        sr->u.request->recordSchema = record_schema;
    if (recordsyntax == VAL_TEXT_XML)
        sr->u.explain_request->recordPacking = "xml";
    return send_srw(sr);
}
#endif

static int send_searchRequest(const char *arg)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_searchRequest);
    Z_SearchRequest *req = apdu->u.searchRequest;
    Z_Query query;
    struct ccl_rpn_node *rpn = NULL;
    int error, pos;
    char setstring[100];
    Z_RPNQuery *RPNquery;
    Odr_oct ccl_query;
    YAZ_PQF_Parser pqf_parser;
    Z_External *ext;
    QueryType myQueryType = queryType;
    char pqfbuf[512];

    if (myQueryType == QueryType_CCL2RPN)
    {
        rpn = ccl_find_str(bibset, arg, &error, &pos);
        if (error)
        {
            printf("CCL ERROR: %s\n", ccl_err_msg(error));
            return 0;
        }
    } else if (myQueryType == QueryType_CQL2RPN) {
	/* ### All this code should be wrapped in a utility function */
	CQL_parser parser;
	struct cql_node *node;
	const char *addinfo;
	if (cqltrans == 0) {
            printf("Can't use CQL: no translation file.  Try set_cqlfile\n");
	    return 0;
	}
	parser = cql_parser_create();
	if ((error = cql_parser_string(parser, arg)) != 0) {
            printf("Can't parse CQL: must be a syntax error\n");
            return 0;
	}
	node = cql_parser_result(parser);
	if ((error = cql_transform_buf(cqltrans, node, pqfbuf,
				       sizeof pqfbuf)) != 0) {
	    error = cql_transform_error(cqltrans, &addinfo);
	    printf ("Can't convert CQL to PQF: %s (addinfo=%s)\n",
		    cql_strerror(error), addinfo);
            return 0;
        }
	arg = pqfbuf;
	myQueryType = QueryType_Prefix;
    }

    req->referenceId = set_refid (out);
    if (!strcmp(arg, "@big")) /* strictly for troublemaking */
    {
        static unsigned char big[2100];
        static Odr_oct bigo;

        /* send a very big referenceid to test transport stack etc. */
        memset(big, 'A', 2100);
        bigo.len = bigo.size = 2100;
        bigo.buf = big;
        req->referenceId = &bigo;
    }
    
    if (setnumber >= 0)
    {
        sprintf(setstring, "%d", ++setnumber);
        req->resultSetName = setstring;
    }
    *req->smallSetUpperBound = smallSetUpperBound;
    *req->largeSetLowerBound = largeSetLowerBound;
    *req->mediumSetPresentNumber = mediumSetPresentNumber;
    if (smallSetUpperBound > 0 || (largeSetLowerBound > 1 &&
        mediumSetPresentNumber > 0))
    {
        req->preferredRecordSyntax =
            yaz_oidval_to_z3950oid(out, CLASS_RECSYN, recordsyntax);

        req->smallSetElementSetNames =
            req->mediumSetElementSetNames = elementSetNames;
    }
    req->num_databaseNames = num_databaseNames;
    req->databaseNames = databaseNames;

    req->query = &query;

    switch (myQueryType)
    {
    case QueryType_Prefix:
        query.which = Z_Query_type_1;
        pqf_parser = yaz_pqf_create ();
        RPNquery = yaz_pqf_parse (pqf_parser, out, arg);
        if (!RPNquery)
        {
            const char *pqf_msg;
            size_t off;
            int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
            printf("%*s^\n", off+4, "");
            printf("Prefix query error: %s (code %d)\n", pqf_msg, code);
            
            yaz_pqf_destroy (pqf_parser);
            return 0;
        }
        yaz_pqf_destroy (pqf_parser);
        query.u.type_1 = RPNquery;
        break;
    case QueryType_CCL:
        query.which = Z_Query_type_2;
        query.u.type_2 = &ccl_query;
        ccl_query.buf = (unsigned char*) arg;
        ccl_query.len = strlen(arg);
        break;
    case QueryType_CCL2RPN:
        query.which = Z_Query_type_1;
        RPNquery = ccl_rpn_query(out, rpn);
        if (!RPNquery)
        {
            printf ("Couldn't convert from CCL to RPN\n");
            return 0;
        }
        query.u.type_1 = RPNquery;
        ccl_rpn_delete (rpn);
        break;
    case QueryType_CQL:
        query.which = Z_Query_type_104;
        ext = (Z_External *) odr_malloc(out, sizeof(*ext));
        ext->direct_reference = odr_getoidbystr(out, "1.2.840.10003.16.2");
        ext->indirect_reference = 0;
        ext->descriptor = 0;
        ext->which = Z_External_CQL;
        ext->u.cql = odr_strdup(out, arg);
        query.u.type_104 =  ext;
        break;
    default:
        printf ("Unsupported query type\n");
        return 0;
    }
    send_apdu(apdu);
    /*
    if (send_apdu(apdu))
    printf("Sent searchRequest.\n");*/
    setno = 1;
    return 2;
}

/* display Query Expression as part of searchResult-1 */
/*
static void display_queryExpression (Z_QueryExpression *qe)
{
    if (!qe)
        return;
    if (qe->which == Z_QueryExpression_term)
    {
        if (qe->u.term->queryTerm)
        {
            Z_Term *term = qe->u.term->queryTerm;
            switch (term->which)
            {
            case Z_Term_general:
                printf (" %.*s", term->u.general->len, term->u.general->buf);
                break;
            case Z_Term_characterString:
                printf (" %s", term->u.characterString);
                break;
            case Z_Term_numeric:
                printf (" %d", *term->u.numeric);
                break;
            case Z_Term_null:
                printf (" null");
                break;
            }
        }
    }
}
*/
/* see if we can find USR:SearchResult-1 */
/*
static void display_searchResult (Z_OtherInformation *o)
{
    int i;
    if (!o)
        return ;
    for (i = 0; i < o->num_elements; i++)
    {
        if (o->list[i]->which == Z_OtherInfo_externallyDefinedInfo)
        {
            Z_External *ext = o->list[i]->information.externallyDefinedInfo;
            
            if (ext->which == Z_External_searchResult1)
            {
                int j;
                Z_SearchInfoReport *sr = ext->u.searchResult1;
                printf ("SearchResult-1:");
                for (j = 0; j < sr->num; j++)
                {
		if (!sr->elements[j]->subqueryExpression)
                        printf (" %d", j);
                    display_queryExpression (
                        sr->elements[j]->subqueryExpression);
                    display_queryExpression (
                        sr->elements[j]->subqueryInterpretation);
                    display_queryExpression (
                        sr->elements[j]->subqueryRecommendation);
                    if (sr->elements[j]->subqueryCount)
                        printf ("(%d)", *sr->elements[j]->subqueryCount);
                }
                printf ("\n");
            }
        }
    }
}
*/
/* kjdon: modified to not print the results, and return the number of hits */
static int process_searchResponse(Z_SearchResponse *res)
{
    print_refid (res->referenceId);
    if (!(*res->searchStatus)) {
      /* this should return an error instead of 0 docs found... one day... */
	return 0;
    }
    setno += *res->numberOfRecordsReturned;
    /* what is this for? */
    if (res->records)
        display_records(res->records);
    return *res->resultCount;

}

static void print_level(int iLevel)
{
    int i;
    for (i = 0; i < iLevel * 4; i++)
        printf(" ");
}

static void print_int(int iLevel, const char *pTag, int *pInt)
{
    if (pInt != NULL)
    {
        print_level(iLevel);
        printf("%s: %d\n", pTag, *pInt);
    }
}

static void print_string(int iLevel, const char *pTag, const char *pString)
{
    if (pString != NULL)
    {
        print_level(iLevel);
        printf("%s: %s\n", pTag, pString);
    }
}

static void print_oid(int iLevel, const char *pTag, Odr_oid *pOid)
{
    if (pOid != NULL)
    {
        int *pInt = pOid;

        print_level(iLevel);
        printf("%s:", pTag);
        for (; *pInt != -1; pInt++)
            printf(" %d", *pInt);
        printf("\n");
    }
}

static void print_referenceId(int iLevel, Z_ReferenceId *referenceId)
{
    if (referenceId != NULL)
    {
        int i;

        print_level(iLevel);
        printf("Ref Id (%d, %d): ", referenceId->len, referenceId->size);
        for (i = 0; i < referenceId->len; i++)
            printf("%c", referenceId->buf[i]);
        printf("\n");
    }
}

static void print_string_or_numeric(int iLevel, const char *pTag, Z_StringOrNumeric *pStringNumeric)
{
    if (pStringNumeric != NULL)
    {
        switch (pStringNumeric->which)
        {
        case Z_StringOrNumeric_string:
            print_string(iLevel, pTag, pStringNumeric->u.string);
            break;
            
        case Z_StringOrNumeric_numeric:
            print_int(iLevel, pTag, pStringNumeric->u.numeric);
            break;
            
        default:
            print_level(iLevel);
            printf("%s: valid type for Z_StringOrNumeric\n", pTag);
            break;
        }
    }
}

static void print_universe_report_duplicate(
    int iLevel,
    Z_UniverseReportDuplicate *pUniverseReportDuplicate)
{
    if (pUniverseReportDuplicate != NULL)
    {
        print_level(iLevel);
        printf("Universe Report Duplicate: \n");
        iLevel++;
        print_string_or_numeric(iLevel, "Hit No",
                                pUniverseReportDuplicate->hitno);
    }
}

static void print_universe_report_hits(
    int iLevel,
    Z_UniverseReportHits *pUniverseReportHits)
{
    if (pUniverseReportHits != NULL)
    {
        print_level(iLevel);
        printf("Universe Report Hits: \n");
        iLevel++;
        print_string_or_numeric(iLevel, "Database",
                                pUniverseReportHits->database);
        print_string_or_numeric(iLevel, "Hits", pUniverseReportHits->hits);
    }
}

static void print_universe_report(int iLevel, Z_UniverseReport *pUniverseReport)
{
    if (pUniverseReport != NULL)
    {
        print_level(iLevel);
        printf("Universe Report: \n");
        iLevel++;
        print_int(iLevel, "Total Hits", pUniverseReport->totalHits);
        switch (pUniverseReport->which)
        {
        case Z_UniverseReport_databaseHits:
            print_universe_report_hits(iLevel,
                                       pUniverseReport->u.databaseHits);
            break;
            
        case Z_UniverseReport_duplicate:
            print_universe_report_duplicate(iLevel,
                                            pUniverseReport->u.duplicate);
            break;
            
        default:
            print_level(iLevel);
            printf("Type: %d\n", pUniverseReport->which);
            break;
        }
    }
}

static void print_external(int iLevel, Z_External *pExternal)
{
    if (pExternal != NULL)
    {
        print_level(iLevel);
        printf("External: \n");
        iLevel++;
        print_oid(iLevel, "Direct Reference", pExternal->direct_reference);
        print_int(iLevel, "InDirect Reference", pExternal->indirect_reference);
        print_string(iLevel, "Descriptor", pExternal->descriptor);
        switch (pExternal->which)
        {
        case Z_External_universeReport:
            print_universe_report(iLevel, pExternal->u.universeReport);
            break;
            
        default:
            print_level(iLevel);
            printf("Type: %d\n", pExternal->which);
            break;
        }
    }
}

static int process_resourceControlRequest (Z_ResourceControlRequest *req)
{
    printf ("Received ResourceControlRequest.\n");
    print_referenceId(1, req->referenceId);
    print_int(1, "Suspended Flag", req->suspendedFlag);
    print_int(1, "Partial Results Available", req->partialResultsAvailable);
    print_int(1, "Response Required", req->responseRequired);
    print_int(1, "Triggered Request Flag", req->triggeredRequestFlag);
    print_external(1, req->resourceReport);
    return 0;
}

void process_ESResponse(Z_ExtendedServicesResponse *res)
{
    printf("Status: ");
    switch (*res->operationStatus)
    {
    case Z_ExtendedServicesResponse_done:
        printf ("done\n");
        break;
    case Z_ExtendedServicesResponse_accepted:
        printf ("accepted\n");
        break;
    case Z_ExtendedServicesResponse_failure:
        printf ("failure\n");
        display_diagrecs(res->diagnostics, res->num_diagnostics);
        break;
    default:
        printf ("unknown\n");
    }
    if ( (*res->operationStatus != Z_ExtendedServicesResponse_failure) &&
        (res->num_diagnostics != 0) ) {
        display_diagrecs(res->diagnostics, res->num_diagnostics);
    }
    print_refid (res->referenceId);
    if (res->taskPackage && 
        res->taskPackage->which == Z_External_extendedService)
    {
        Z_TaskPackage *taskPackage = res->taskPackage->u.extendedService;
        Odr_oct *id = taskPackage->targetReference;
        Z_External *ext = taskPackage->taskSpecificParameters;
        
        if (id)
        {
            printf ("Target Reference: ");
            print_stringn (id->buf, id->len);
            printf ("\n");
        }
        if (ext->which == Z_External_update)
        {
            Z_IUUpdateTaskPackage *utp = ext->u.update->u.taskPackage;
            if (utp && utp->targetPart)
            {
                Z_IUTargetPart *targetPart = utp->targetPart;
                int i;

                for (i = 0; i<targetPart->num_taskPackageRecords;  i++)
                {

                    Z_IUTaskPackageRecordStructure *tpr =
                        targetPart->taskPackageRecords[i];
                    printf ("task package record %d\n", i+1);
                    if (tpr->which == Z_IUTaskPackageRecordStructure_record)
                    {
                        display_record (tpr->u.record);
                    }
                    else
                    {
                        printf ("other type\n");
                    }
                }
            }
        }
    }
}

const char *get_ill_element (void *clientData, const char *element)
{
    return 0;
}

static Z_External *create_external_itemRequest()
{
    struct ill_get_ctl ctl;
    ILL_ItemRequest *req;
    Z_External *r = 0;
    int item_request_size = 0;
    char *item_request_buf = 0;

    ctl.odr = out;
    ctl.clientData = 0;
    ctl.f = get_ill_element;
    
    req = ill_get_ItemRequest(&ctl, "ill", 0);
    if (!req)
        printf ("ill_get_ItemRequest failed\n");
        
    if (!ill_ItemRequest (out, &req, 0, 0))
    {
        if (apdu_file)
        {
            ill_ItemRequest(print, &req, 0, 0);
            odr_reset(print);
        }
        item_request_buf = odr_getbuf (out, &item_request_size, 0);
        if (item_request_buf)
            odr_setbuf (out, item_request_buf, item_request_size, 1);
        printf ("Couldn't encode ItemRequest, size %d\n", item_request_size);
        return 0;
    }
    else
    {
        oident oid;
        
        item_request_buf = odr_getbuf (out, &item_request_size, 0);
        oid.proto = PROTO_GENERAL;
        oid.oclass = CLASS_GENERAL;
        oid.value = VAL_ISO_ILL_1;
        
        r = (Z_External *) odr_malloc (out, sizeof(*r));
        r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid)); 
        r->indirect_reference = 0;
        r->descriptor = 0;
        r->which = Z_External_single;
        
        r->u.single_ASN1_type = (Odr_oct *)
            odr_malloc (out, sizeof(*r->u.single_ASN1_type));
        r->u.single_ASN1_type->buf = (unsigned char *)
        odr_malloc (out, item_request_size);
        r->u.single_ASN1_type->len = item_request_size;
        r->u.single_ASN1_type->size = item_request_size;
        memcpy (r->u.single_ASN1_type->buf, item_request_buf,
                item_request_size);
        
        do_hex_dump(item_request_buf,item_request_size);
    }
    return r;
}

static Z_External *create_external_ILL_APDU(int which)
{
    struct ill_get_ctl ctl;
    ILL_APDU *ill_apdu;
    Z_External *r = 0;
    int ill_request_size = 0;
    char *ill_request_buf = 0;
        
    ctl.odr = out;
    ctl.clientData = 0;
    ctl.f = get_ill_element;

    ill_apdu = ill_get_APDU(&ctl, "ill", 0);

    if (!ill_APDU (out, &ill_apdu, 0, 0))
    {
        if (apdu_file)
        {
            printf ("-------------------\n");
            ill_APDU(print, &ill_apdu, 0, 0);
            odr_reset(print);
            printf ("-------------------\n");
        }
        ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
        if (ill_request_buf)
            odr_setbuf (out, ill_request_buf, ill_request_size, 1);
        printf ("Couldn't encode ILL-Request, size %d\n", ill_request_size);
        return 0;
    }
    else
    {
        oident oid;
        ill_request_buf = odr_getbuf (out, &ill_request_size, 0);
        
        oid.proto = PROTO_GENERAL;
        oid.oclass = CLASS_GENERAL;
        oid.value = VAL_ISO_ILL_1;
        
        r = (Z_External *) odr_malloc (out, sizeof(*r));
        r->direct_reference = odr_oiddup(out,oid_getoidbyent(&oid)); 
        r->indirect_reference = 0;
        r->descriptor = 0;
        r->which = Z_External_single;
        
        r->u.single_ASN1_type = (Odr_oct *)
            odr_malloc (out, sizeof(*r->u.single_ASN1_type));
        r->u.single_ASN1_type->buf = (unsigned char *)
        odr_malloc (out, ill_request_size);
        r->u.single_ASN1_type->len = ill_request_size;
        r->u.single_ASN1_type->size = ill_request_size;
        memcpy (r->u.single_ASN1_type->buf, ill_request_buf, ill_request_size);
/*         printf ("len = %d\n", ill_request_size); */
/* 		do_hex_dump(ill_request_buf,ill_request_size); */
/* 		printf("--- end of extenal\n"); */

    }
    return r;
}


static Z_External *create_ItemOrderExternal(const char *type, int itemno)
{
    Z_External *r = (Z_External *) odr_malloc(out, sizeof(Z_External));
    oident ItemOrderRequest;
  
    ItemOrderRequest.proto = PROTO_Z3950;
    ItemOrderRequest.oclass = CLASS_EXTSERV;
    ItemOrderRequest.value = VAL_ITEMORDER;
 
    r->direct_reference = odr_oiddup(out,oid_getoidbyent(&ItemOrderRequest)); 
    r->indirect_reference = 0;
    r->descriptor = 0;

    r->which = Z_External_itemOrder;

    r->u.itemOrder = (Z_ItemOrder *) odr_malloc(out,sizeof(Z_ItemOrder));
    memset(r->u.itemOrder, 0, sizeof(Z_ItemOrder));
    r->u.itemOrder->which=Z_IOItemOrder_esRequest;

    r->u.itemOrder->u.esRequest = (Z_IORequest *) 
        odr_malloc(out,sizeof(Z_IORequest));
    memset(r->u.itemOrder->u.esRequest, 0, sizeof(Z_IORequest));

    r->u.itemOrder->u.esRequest->toKeep = (Z_IOOriginPartToKeep *)
        odr_malloc(out,sizeof(Z_IOOriginPartToKeep));
    memset(r->u.itemOrder->u.esRequest->toKeep, 0, sizeof(Z_IOOriginPartToKeep));
    r->u.itemOrder->u.esRequest->notToKeep = (Z_IOOriginPartNotToKeep *)
        odr_malloc(out,sizeof(Z_IOOriginPartNotToKeep));
    memset(r->u.itemOrder->u.esRequest->notToKeep, 0, sizeof(Z_IOOriginPartNotToKeep));

    r->u.itemOrder->u.esRequest->toKeep->supplDescription = NULL;
    r->u.itemOrder->u.esRequest->toKeep->contact = NULL;
    r->u.itemOrder->u.esRequest->toKeep->addlBilling = NULL;

    r->u.itemOrder->u.esRequest->notToKeep->resultSetItem =
        (Z_IOResultSetItem *) odr_malloc(out, sizeof(Z_IOResultSetItem));
    memset(r->u.itemOrder->u.esRequest->notToKeep->resultSetItem, 0, sizeof(Z_IOResultSetItem));
    r->u.itemOrder->u.esRequest->notToKeep->resultSetItem->resultSetId = "1";

    r->u.itemOrder->u.esRequest->notToKeep->resultSetItem->item =
        (int *) odr_malloc(out, sizeof(int));
    *r->u.itemOrder->u.esRequest->notToKeep->resultSetItem->item = itemno;

    if (!strcmp (type, "item") || !strcmp(type, "2"))
    {
        printf ("using item-request\n");
        r->u.itemOrder->u.esRequest->notToKeep->itemRequest = 
            create_external_itemRequest();
    }
    else if (!strcmp(type, "ill") || !strcmp(type, "1"))
    {
        printf ("using ILL-request\n");
        r->u.itemOrder->u.esRequest->notToKeep->itemRequest = 
            create_external_ILL_APDU(ILL_APDU_ILL_Request);
    }
    else if (!strcmp(type, "xml") || !strcmp(type, "3"))
    {
    const char *xml_buf =
        "<itemorder>\n"
        "  <type>request</type>\n"
        "  <libraryNo>000200</libraryNo>\n"
        "  <borrowerTicketNo> 1212 </borrowerTicketNo>\n"
        "</itemorder>";
        r->u.itemOrder->u.esRequest->notToKeep->itemRequest =
            z_ext_record (out, VAL_TEXT_XML, xml_buf, strlen(xml_buf));
    }
    else
        r->u.itemOrder->u.esRequest->notToKeep->itemRequest = 0;

    return r;
}

static int send_itemorder(const char *type, int itemno)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_extendedServicesRequest);
    Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
    oident ItemOrderRequest;

    ItemOrderRequest.proto = PROTO_Z3950;
    ItemOrderRequest.oclass = CLASS_EXTSERV;
    ItemOrderRequest.value = VAL_ITEMORDER;
    req->packageType = odr_oiddup(out,oid_getoidbyent(&ItemOrderRequest));
    req->packageName = esPackageName;

    req->taskSpecificParameters = create_ItemOrderExternal(type, itemno);

    send_apdu(apdu);
    return 0;
}

static int only_z3950()
{
    if (protocol == PROTO_HTTP)
    {
	printf ("Not supported by SRW\n");
	return 1;
    }
    return 0;
}


static int cmd_update_common(const char *arg, int version);

static int cmd_update(const char *arg)
{
    return cmd_update_common(arg, 1);
}

static int cmd_update0(const char *arg)
{
    return cmd_update_common(arg, 0);
}

static int cmd_update_common(const char *arg, int version)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_extendedServicesRequest );
    Z_ExtendedServicesRequest *req = apdu->u.extendedServicesRequest;
    Z_External *r;
    char action[20], recid[20], fname[80];
    int action_no;
    Z_External *record_this = 0;

    if (only_z3950())
	return 0;
    *action = 0;
    *recid = 0;
    *fname = 0;
    sscanf (arg, "%19s %19s %79s", action, recid, fname);

    if (!strcmp (action, "insert"))
        action_no = Z_IUOriginPartToKeep_recordInsert;
    else if (!strcmp (action, "replace"))
        action_no = Z_IUOriginPartToKeep_recordReplace;
    else if (!strcmp (action, "delete"))
        action_no = Z_IUOriginPartToKeep_recordDelete;
    else if (!strcmp (action, "update"))
        action_no = Z_IUOriginPartToKeep_specialUpdate;
    else 
    {
        printf ("Bad action: %s\n", action);
        printf ("Possible values: insert, replace, delete, update\n");
        return 0;
    }

    if (*fname)
    {
        FILE *inf;
        struct stat status;
        stat (fname, &status);
        if (S_ISREG(status.st_mode) && (inf = fopen(fname, "rb")))
        {
            size_t len = status.st_size;
            char *buf = (char *) xmalloc (len);

            fread (buf, 1, len, inf);

            fclose (inf);
            
            record_this = z_ext_record (out, VAL_TEXT_XML, buf, len);
            
            xfree (buf);
        }
        else
        {
            printf ("File %s doesn't exist\n", fname);
            return 0;
        }
    }
    else
    {
        if (!record_last)
        {
            printf ("No last record (update ignored)\n");
            return 0;
        }
        record_this = record_last;
    }

    req->packageType =
	yaz_oidval_to_z3950oid(out, CLASS_EXTSERV,
			       version == 0 ? VAL_DBUPDATE0 : VAL_DBUPDATE);

    req->packageName = esPackageName;
    
    req->referenceId = set_refid (out);

    r = req->taskSpecificParameters = (Z_External *)
        odr_malloc (out, sizeof(*r));
    r->direct_reference = req->packageType;
    r->indirect_reference = 0;
    r->descriptor = 0;
    if (version == 0)
    {
	Z_IU0OriginPartToKeep *toKeep;
	Z_IU0SuppliedRecords *notToKeep;

	r->which = Z_External_update0;
	r->u.update0 = (Z_IU0Update *) odr_malloc(out, sizeof(*r->u.update0));
	r->u.update0->which = Z_IUUpdate_esRequest;
	r->u.update0->u.esRequest = (Z_IU0UpdateEsRequest *)
	    odr_malloc(out, sizeof(*r->u.update0->u.esRequest));
	toKeep = r->u.update0->u.esRequest->toKeep = (Z_IU0OriginPartToKeep *)
	    odr_malloc(out, sizeof(*r->u.update0->u.esRequest->toKeep));
	
	toKeep->databaseName = databaseNames[0];
	toKeep->schema = 0;
	toKeep->elementSetName = 0;

	toKeep->action = (int *) odr_malloc(out, sizeof(*toKeep->action));
	*toKeep->action = action_no;
	
	notToKeep = r->u.update0->u.esRequest->notToKeep = (Z_IU0SuppliedRecords *)
	    odr_malloc(out, sizeof(*r->u.update0->u.esRequest->notToKeep));
	notToKeep->num = 1;
	notToKeep->elements = (Z_IU0SuppliedRecords_elem **)
	    odr_malloc(out, sizeof(*notToKeep->elements));
	notToKeep->elements[0] = (Z_IU0SuppliedRecords_elem *)
	    odr_malloc(out, sizeof(**notToKeep->elements));
	notToKeep->elements[0]->which = Z_IUSuppliedRecords_elem_opaque;
	if (*recid)
	{
	    notToKeep->elements[0]->u.opaque = (Odr_oct *)
		odr_malloc (out, sizeof(Odr_oct));
	    notToKeep->elements[0]->u.opaque->buf = (unsigned char *) recid;
	    notToKeep->elements[0]->u.opaque->size = strlen(recid);
	    notToKeep->elements[0]->u.opaque->len = strlen(recid);
	}
	else
	    notToKeep->elements[0]->u.opaque = 0;
	notToKeep->elements[0]->supplementalId = 0;
	notToKeep->elements[0]->correlationInfo = 0;
	notToKeep->elements[0]->record = record_this;
    }
    else
    {
	Z_IUOriginPartToKeep *toKeep;
	Z_IUSuppliedRecords *notToKeep;

	r->which = Z_External_update;
	r->u.update = (Z_IUUpdate *) odr_malloc(out, sizeof(*r->u.update));
	r->u.update->which = Z_IUUpdate_esRequest;
	r->u.update->u.esRequest = (Z_IUUpdateEsRequest *)
	    odr_malloc(out, sizeof(*r->u.update->u.esRequest));
	toKeep = r->u.update->u.esRequest->toKeep = (Z_IUOriginPartToKeep *)
	    odr_malloc(out, sizeof(*r->u.update->u.esRequest->toKeep));
	
	toKeep->databaseName = databaseNames[0];
	toKeep->schema = 0;
	toKeep->elementSetName = 0;
	toKeep->actionQualifier = 0;
	toKeep->action = (int *) odr_malloc(out, sizeof(*toKeep->action));
	*toKeep->action = action_no;

	notToKeep = r->u.update->u.esRequest->notToKeep = (Z_IUSuppliedRecords *)
	    odr_malloc(out, sizeof(*r->u.update->u.esRequest->notToKeep));
	notToKeep->num = 1;
	notToKeep->elements = (Z_IUSuppliedRecords_elem **)
	    odr_malloc(out, sizeof(*notToKeep->elements));
	notToKeep->elements[0] = (Z_IUSuppliedRecords_elem *)
	    odr_malloc(out, sizeof(**notToKeep->elements));
	notToKeep->elements[0]->which = Z_IUSuppliedRecords_elem_opaque;
	if (*recid)
	{
	    notToKeep->elements[0]->u.opaque = (Odr_oct *)
		odr_malloc (out, sizeof(Odr_oct));
	    notToKeep->elements[0]->u.opaque->buf = (unsigned char *) recid;
	    notToKeep->elements[0]->u.opaque->size = strlen(recid);
	    notToKeep->elements[0]->u.opaque->len = strlen(recid);
	}
	else
	    notToKeep->elements[0]->u.opaque = 0;
	notToKeep->elements[0]->supplementalId = 0;
	notToKeep->elements[0]->correlationInfo = 0;
	notToKeep->elements[0]->record = record_this;
    }
    
    send_apdu(apdu);

    return 2;
}


static int cmd_itemorder(const char *arg)
{
    char type[12];
    int itemno;
   
    if (only_z3950())
	return 0;
    if (sscanf (arg, "%10s %d", type, &itemno) != 2)
        return 0;

    printf("Item order request\n");
    fflush(stdout);
    send_itemorder(type, itemno);
    return 2;
}

static void show_opt(const char *arg, void *clientData)
{
    printf ("%s ", arg);
}

static int cmd_zversion(const char *arg)
{
    if (*arg && arg)
	z3950_version = atoi(arg);
    else
	printf ("version is %d\n", z3950_version);
    return 0;
}

static int cmd_options(const char *arg)
{
    if (*arg)
    {
	int r;
	int pos;
	r = yaz_init_opt_encode(&z3950_options, arg, &pos);
    }
    else
    {
	yaz_init_opt_decode(&z3950_options, show_opt, 0);
	printf ("\n");
    }
    return 0;
}

static int cmd_explain(const char *arg)
{
    if (protocol != PROTO_HTTP)
	return 0;
#if HAVE_XML2
    if (!conn)
	cmd_open(0);
    if (conn)
    {
	Z_SRW_PDU *sr = 0;
	
	setno = 1;
	
	/* save this for later .. when fetching individual records */
	sr = yaz_srw_get(out, Z_SRW_explain_request);
	if (recordsyntax == VAL_TEXT_XML)
            sr->u.explain_request->recordPacking = "xml";
	send_srw(sr);
	return 2;
    }
#endif
    return 0;
}

static int cmd_init(const char *arg)
{
    if (*arg)
    {
        strncpy (cur_host, arg, sizeof(cur_host)-1);
        cur_host[sizeof(cur_host)-1] = 0;
    }
    if (!conn || protocol != PROTO_Z3950)
       return 0;
    send_initRequest(cur_host);
    return 2;

}

static int cmd_find(const char *arg)
{
    if (!*arg)
    {
        printf("Find what?\n");
        return 0;
    }
    if (protocol == PROTO_HTTP)
    {
#if HAVE_XML2
        if (!conn)
            cmd_open(0);
	if (!conn)
	    return 0;
        if (!send_SRW_searchRequest(arg))
            return 0;
#else
        return 0;
#endif
    }
    else
    {
        if (!conn)
        {
            try_reconnect(); 
            
            if (!conn) {					
                printf("Not connected yet\n");
                return 0;
            }
        }
        if (!send_searchRequest(arg))
            return 0;
    }
    return 2;
}

static int cmd_delete(const char *arg)
{
    if (!conn)
    {
        printf("Not connected yet\n");
        return 0;
    }
    if (only_z3950())
	return 0;
    if (!send_deleteResultSetRequest(arg))
        return 0;
    return 2;
}

static int cmd_ssub(const char *arg)
{
    if (!(smallSetUpperBound = atoi(arg)))
        return 0;
    return 1;
}

static int cmd_lslb(const char *arg)
{
    if (only_z3950())
	return 0;
    if (!(largeSetLowerBound = atoi(arg)))
        return 0;
    return 1;
}

static int cmd_mspn(const char *arg)
{
    if (only_z3950())
	return 0;
    if (!(mediumSetPresentNumber = atoi(arg)))
        return 0;
    return 1;
}

static int cmd_status(const char *arg)
{
    printf("smallSetUpperBound: %d\n", smallSetUpperBound);
    printf("largeSetLowerBound: %d\n", largeSetLowerBound);
    printf("mediumSetPresentNumber: %d\n", mediumSetPresentNumber);
    return 1;
}

static int cmd_setnames(const char *arg)
{
    if (*arg == '1')         /* enable ? */
        setnumber = 0;
    else if (*arg == '0')    /* disable ? */
        setnumber = -1;
    else if (setnumber < 0)  /* no args, toggle .. */
        setnumber = 0;
    else
        setnumber = -1;
   
    if (setnumber >= 0)
        printf("Set numbering enabled.\n");
    else
        printf("Set numbering disabled.\n");
    return 1;
}

/* PRESENT SERVICE ----------------------------- */
/* this one is based on johnmcps version - pretty much a copy of 
   send_presentRequest, but passing in separate args, not an arg string */
int z_send_getbriefrecords(int starting, int set, int howmany) {

    Z_APDU *apdu = zget_APDU(out, Z_APDU_presentRequest);
    Z_PresentRequest *req = apdu->u.presentRequest;
    Z_RecordComposition compo;
    int nos = 1;
    char setstring[100];

    req->referenceId = set_refid (out);
    nos = howmany;
    setno = starting;
    sprintf(setstring, "%d", setnumber);
    req->resultSetId = setstring;
    req->resultSetStartPoint = &setno;
    req->numberOfRecordsRequested = &nos;
    
    req->preferredRecordSyntax =
        yaz_oidval_to_z3950oid(out, CLASS_RECSYN, recordsyntax);

    if (record_schema)
    {
        req->recordComposition = &compo;
        compo.which = Z_RecordComp_complex;
        compo.u.complex = (Z_CompSpec *)
            odr_malloc(out, sizeof(*compo.u.complex));
        compo.u.complex->selectAlternativeSyntax = (bool_t *) 
            odr_malloc(out, sizeof(bool_t));
        *compo.u.complex->selectAlternativeSyntax = 0;

        compo.u.complex->generic = (Z_Specification *)
            odr_malloc(out, sizeof(*compo.u.complex->generic));
        compo.u.complex->generic->which = Z_Schema_oid;

        compo.u.complex->generic->schema.oid =
	    yaz_str_to_z3950oid(out, CLASS_SCHEMA, record_schema);

        if (!compo.u.complex->generic->schema.oid)
        {
            /* OID wasn't a schema! Try record syntax instead. */
            compo.u.complex->generic->schema.oid = (Odr_oid *)
		yaz_str_to_z3950oid(out, CLASS_RECSYN, record_schema);
        }
        if (!elementSetNames)
            compo.u.complex->generic->elementSpec = 0;
        else
        {
            compo.u.complex->generic->elementSpec = (Z_ElementSpec *)
                odr_malloc(out, sizeof(Z_ElementSpec));
            compo.u.complex->generic->elementSpec->which =
                Z_ElementSpec_elementSetName;
            compo.u.complex->generic->elementSpec->u.elementSetName =
                elementSetNames->u.generic;
        }
        compo.u.complex->num_dbSpecific = 0;
        compo.u.complex->dbSpecific = 0;
        compo.u.complex->num_recordSyntax = 0;
        compo.u.complex->recordSyntax = 0;
    }
    else if (elementSetNames)
    {
        req->recordComposition = &compo;
        compo.which = Z_RecordComp_simple;
        compo.u.simple = elementSetNames;
    }
    send_apdu(apdu);
    return 0;
}

static void parse_show_args(const char *arg_c, char *setstring,
                            int *start, int *number)
{
    char arg[40];
    char *p;

    strncpy(arg, arg_c, sizeof(arg)-1);
    arg[sizeof(arg)-1] = '\0';

    if ((p = strchr(arg, '+')))
    {
        *number = atoi(p + 1);
        *p = '\0';
    }
    if (*arg)
        *start = atoi(arg);
    if (p && (p=strchr(p+1, '+')))
        strcpy (setstring, p+1);
    else if (setnumber >= 0)
        sprintf(setstring, "%d", setnumber);
    else
        *setstring = '\0';
}

static int send_presentRequest(const char *arg)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_presentRequest);
    Z_PresentRequest *req = apdu->u.presentRequest;
    Z_RecordComposition compo;
    int nos = 1;
    char setstring[100];

    req->referenceId = set_refid (out);

    parse_show_args(arg, setstring, &setno, &nos);
    if (*setstring)
        req->resultSetId = setstring;

    req->resultSetStartPoint = &setno;
    req->numberOfRecordsRequested = &nos;

    req->preferredRecordSyntax =
        yaz_oidval_to_z3950oid(out, CLASS_RECSYN, recordsyntax);

    if (record_schema)
    {
        req->recordComposition = &compo;
        compo.which = Z_RecordComp_complex;
        compo.u.complex = (Z_CompSpec *)
            odr_malloc(out, sizeof(*compo.u.complex));
        compo.u.complex->selectAlternativeSyntax = (bool_t *) 
            odr_malloc(out, sizeof(bool_t));
        *compo.u.complex->selectAlternativeSyntax = 0;

        compo.u.complex->generic = (Z_Specification *)
            odr_malloc(out, sizeof(*compo.u.complex->generic));
        compo.u.complex->generic->which = Z_Schema_oid;

        compo.u.complex->generic->schema.oid =
	    yaz_str_to_z3950oid(out, CLASS_SCHEMA, record_schema);

        if (!compo.u.complex->generic->schema.oid)
        {
            /* OID wasn't a schema! Try record syntax instead. */
            compo.u.complex->generic->schema.oid = (Odr_oid *)
		yaz_str_to_z3950oid(out, CLASS_RECSYN, record_schema);
        }
        if (!elementSetNames)
            compo.u.complex->generic->elementSpec = 0;
        else
        {
            compo.u.complex->generic->elementSpec = (Z_ElementSpec *)
                odr_malloc(out, sizeof(Z_ElementSpec));
            compo.u.complex->generic->elementSpec->which =
                Z_ElementSpec_elementSetName;
            compo.u.complex->generic->elementSpec->u.elementSetName =
                elementSetNames->u.generic;
        }
        compo.u.complex->num_dbSpecific = 0;
        compo.u.complex->dbSpecific = 0;
        compo.u.complex->num_recordSyntax = 0;
        compo.u.complex->recordSyntax = 0;
    }
    else if (elementSetNames)
    {
        req->recordComposition = &compo;
        compo.which = Z_RecordComp_simple;
        compo.u.simple = elementSetNames;
    }
    send_apdu(apdu);
    printf("Sent presentRequest (%d+%d).\n", setno, nos);
    return 2;
}

#if HAVE_XML2
static int send_SRW_presentRequest(const char *arg)
{
    char setstring[100];
    int nos = 1;
    Z_SRW_PDU *sr = srw_sr;

    if (!sr)
        return 0;
    parse_show_args(arg, setstring, &setno, &nos);
    sr->u.request->startRecord = odr_intdup(out, setno);
    sr->u.request->maximumRecords = odr_intdup(out, nos);
    if (record_schema)
        sr->u.request->recordSchema = record_schema;
    if (recordsyntax == VAL_TEXT_XML)
        sr->u.request->recordPacking = "xml";
    return send_srw(sr);
}
#endif

static void close_session (void)
{
    if (conn)
        cs_close (conn);
    conn = 0;
    if (session_mem)
    {
        nmem_destroy (session_mem);
        session_mem = NULL;
    }
    sent_close = 0;
    odr_reset(out);
    odr_reset(in);
    odr_reset(print);
}

void process_close(Z_Close *req)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_close);
    Z_Close *res = apdu->u.close;

    static char *reasons[] =
    {
        "finished",
        "shutdown",
        "system problem",
        "cost limit reached",
        "resources",
        "security violation",
        "protocolError",
        "lack of activity",
        "peer abort",
        "unspecified"
    };

    printf("Reason: %s, message: %s\n", reasons[*req->closeReason],
        req->diagnosticInformation ? req->diagnosticInformation : "NULL");
    if (sent_close)
        close_session ();
    else
    {
        *res->closeReason = Z_Close_finished;
        send_apdu(apdu);
        printf("Sent response.\n");
        sent_close = 1;
    }
}

static int cmd_show(const char *arg)
{
    if (protocol == PROTO_HTTP)
    {
#if HAVE_XML2
        if (!conn)
            cmd_open(0);
	if (!conn)
	    return 0;
        if (!send_SRW_presentRequest(arg))
            return 0;
#else
        return 0;
#endif
    }
    else
    {
        if (!conn)
        {
            printf("Not connected yet\n");
            return 0;
        }
        if (!send_presentRequest(arg))
            return 0;
    }
    return 2;
}

int cmd_quit(const char *arg)
{
    printf("See you later, alligator.\n");
    xmalloc_trav ("");
    exit(0);
    return 0;
}

int cmd_cancel(const char *arg)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_triggerResourceControlRequest);
    Z_TriggerResourceControlRequest *req =
        apdu->u.triggerResourceControlRequest;
    bool_t rfalse = 0;
    
    if (!conn)
    {
        printf("Session not initialized yet\n");
        return 0;
    }
    if (only_z3950())
	return 0;
    if (!ODR_MASK_GET(session->options, Z_Options_triggerResourceCtrl))
    {
        printf("Target doesn't support cancel (trigger resource ctrl)\n");
        return 0;
    }
    *req->requestedAction = Z_TriggerResourceControlRequest_cancel;
    req->resultSetWanted = &rfalse;
    req->referenceId = set_refid (out);

    send_apdu(apdu);
    printf("Sent cancel request\n");
    return 2;
}


int cmd_cancel_find(const char *arg) {
    int fres;
    fres=cmd_find(arg);
    if( fres > 0 ) {
	return cmd_cancel("");
    };
    return fres;
}

int send_scanrequest(const char *query, int pp, int num, const char *term)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_scanRequest);
    Z_ScanRequest *req = apdu->u.scanRequest;
    
    if (only_z3950())
	return 0;
    if (queryType == QueryType_CCL2RPN)
    {
        int error, pos;
        struct ccl_rpn_node *rpn;

        rpn = ccl_find_str (bibset,  query, &error, &pos);
        if (error)
        {
            printf("CCL ERROR: %s\n", ccl_err_msg(error));
            return -1;
        }
        req->attributeSet =
	    yaz_oidval_to_z3950oid(out, CLASS_ATTSET, VAL_BIB1);
        if (!(req->termListAndStartPoint = ccl_scan_query (out, rpn)))
        {
            printf("Couldn't convert CCL to Scan term\n");
            return -1;
        }
        ccl_rpn_delete (rpn);
    }
    else
    {
        YAZ_PQF_Parser pqf_parser = yaz_pqf_create ();

        if (!(req->termListAndStartPoint =
              yaz_pqf_scan(pqf_parser, out, &req->attributeSet, query)))
        {
            const char *pqf_msg;
            size_t off;
            int code = yaz_pqf_error (pqf_parser, &pqf_msg, &off);
            printf("%*s^\n", off+7, "");
            printf("Prefix query error: %s (code %d)\n", pqf_msg, code);
            yaz_pqf_destroy (pqf_parser);
            return -1;
        }
        yaz_pqf_destroy (pqf_parser);
    }
    if (term && *term)
    {
        if (req->termListAndStartPoint->term &&
            req->termListAndStartPoint->term->which == Z_Term_general &&
            req->termListAndStartPoint->term->u.general)
        {
            req->termListAndStartPoint->term->u.general->buf =
                (unsigned char *) odr_strdup(out, term);
            req->termListAndStartPoint->term->u.general->len =
                req->termListAndStartPoint->term->u.general->size =
                strlen(term);
        }
    }
    req->referenceId = set_refid (out);
    req->num_databaseNames = num_databaseNames;
    req->databaseNames = databaseNames;
    req->numberOfTermsRequested = &num;
    req->preferredPositionInResponse = &pp;
    req->stepSize = odr_intdup(out, scan_stepSize);
    send_apdu(apdu);
    return 2;
}

int send_sortrequest(const char *arg, int newset)
{
    Z_APDU *apdu = zget_APDU(out, Z_APDU_sortRequest);
    Z_SortRequest *req = apdu->u.sortRequest;
    Z_SortKeySpecList *sksl = (Z_SortKeySpecList *)
        odr_malloc (out, sizeof(*sksl));
    char setstring[32];

    if (only_z3950())
	return 0;
    if (setnumber >= 0)
        sprintf (setstring, "%d", setnumber);
    else
        sprintf (setstring, "default");

    req->referenceId = set_refid (out);

    req->num_inputResultSetNames = 1;
    req->inputResultSetNames = (Z_InternationalString **)
        odr_malloc (out, sizeof(*req->inputResultSetNames));
    req->inputResultSetNames[0] = odr_strdup (out, setstring);

    if (newset && setnumber >= 0)
        sprintf (setstring, "%d", ++setnumber);

    req->sortedResultSetName = odr_strdup (out, setstring);

    req->sortSequence = yaz_sort_spec (out, arg);
    if (!req->sortSequence)
    {
        printf ("Missing sort specifications\n");
        return -1;
    }
    send_apdu(apdu);
    return 2;
}

void display_term(Z_TermInfo *t)
{
    if (t->displayTerm)
        printf("%s", t->displayTerm);
    else if (t->term->which == Z_Term_general)
    {
        printf("%.*s", t->term->u.general->len, t->term->u.general->buf);
        sprintf(last_scan_line, "%.*s", t->term->u.general->len,
            t->term->u.general->buf);
    }
    else
        printf("Term (not general)");
    if (t->globalOccurrences)
        printf (" (%d)\n", *t->globalOccurrences);
    else
        printf ("\n");
}

void process_scanResponse(Z_ScanResponse *res)
{
    int i;
    Z_Entry **entries = NULL;
    int num_entries = 0;
   
    printf("Received ScanResponse\n"); 
    print_refid (res->referenceId);
    printf("%d entries", *res->numberOfEntriesReturned);
    if (res->positionOfTerm)
        printf (", position=%d", *res->positionOfTerm); 
    printf ("\n");
    if (*res->scanStatus != Z_Scan_success)
        printf("Scan returned code %d\n", *res->scanStatus);
    if (!res->entries)
        return;
    if ((entries = res->entries->entries))
        num_entries = res->entries->num_entries;
    for (i = 0; i < num_entries; i++)
    {
        int pos_term = res->positionOfTerm ? *res->positionOfTerm : -1;
        if (entries[i]->which == Z_Entry_termInfo)
        {
            printf("%c ", i + 1 == pos_term ? '*' : ' ');
            display_term(entries[i]->u.termInfo);
        }
        else
            display_diagrecs(&entries[i]->u.surrogateDiagnostic, 1);
    }
    if (res->entries->nonsurrogateDiagnostics)
        display_diagrecs (res->entries->nonsurrogateDiagnostics,
                          res->entries->num_nonsurrogateDiagnostics);
}

void process_sortResponse(Z_SortResponse *res)
{
    printf("Received SortResponse: status=");
    switch (*res->sortStatus)
    {
    case Z_SortResponse_success:
        printf ("success"); break;
    case Z_SortResponse_partial_1:
        printf ("partial"); break;
    case Z_SortResponse_failure:
        printf ("failure"); break;
    default:
        printf ("unknown (%d)", *res->sortStatus);
    }
    printf ("\n");
    print_refid (res->referenceId);
    if (res->diagnostics)
        display_diagrecs(res->diagnostics,
                         res->num_diagnostics);
}

void process_deleteResultSetResponse (Z_DeleteResultSetResponse *res)
{
    printf("Got deleteResultSetResponse status=%d\n",
           *res->deleteOperationStatus);
    if (res->deleteListStatuses)
    {
        int i;
        for (i = 0; i < res->deleteListStatuses->num; i++)
        {
            printf ("%s status=%d\n", res->deleteListStatuses->elements[i]->id,
                    *res->deleteListStatuses->elements[i]->status);
        }
    }
}

int cmd_sort_generic(const char *arg, int newset)
{
    if (!conn)
    {
        printf("Session not initialized yet\n");
        return 0;
    }
    if (only_z3950())
	return 0;
    if (!ODR_MASK_GET(session->options, Z_Options_sort))
    {
        printf("Target doesn't support sort\n");
        return 0;
    }
    if (*arg)
    {
        if (send_sortrequest(arg, newset) < 0)
            return 0;
        return 2;
    }
    return 0;
}

int cmd_sort(const char *arg)
{
    return cmd_sort_generic (arg, 0);
}

int cmd_sort_newset (const char *arg)
{
    return cmd_sort_generic (arg, 1);
}

int cmd_scanstep(const char *arg)
{
    scan_stepSize = atoi(arg);
    return 0;
}

int cmd_scanpos(const char *arg)
{
    int r = sscanf(arg, "%d", &scan_position);
    if (r == 0)
        scan_position = 1;
    return 0;
}

int cmd_scansize(const char *arg)
{
    int r = sscanf(arg, "%d", &scan_size);
    if (r == 0)
        scan_size = 20;
    return 0;
}

int cmd_scan(const char *arg)
{
    if (protocol == PROTO_HTTP)
    {
#if HAVE_XML2
        if (!conn)
            cmd_open(0);
	if (!conn)
	    return 0;
	if (*arg)
	{
	    if (send_SRW_scanRequest(arg, scan_position, scan_size) < 0)
		return 0;
	}
	else
	{
	    if (send_SRW_scanRequest(last_scan_line, 1, scan_size) < 0)
		return 0;
	}
	return 2;
#else
        return 0;
#endif
    }
    else
    {
	if (!conn)
	{
	    try_reconnect();
	    
	    if (!conn) {								
		printf("Session not initialized yet\n");
		return 0;
	    }
	}
	if (!ODR_MASK_GET(session->options, Z_Options_scan))
	{
	    printf("Target doesn't support scan\n");
	    return 0;
	}
	if (*arg)
	{
	    strcpy (last_scan_query, arg);
	    if (send_scanrequest(arg, scan_position, scan_size, 0) < 0)
		return 0;
	}
	else
	{
	    if (send_scanrequest(last_scan_query, 1, scan_size, last_scan_line) < 0)
		return 0;
	}
	return 2;
    }
}

int cmd_schema(const char *arg)
{
    xfree(record_schema);
    record_schema = 0;
    if (arg && *arg)
        record_schema = xstrdup(arg);
    return 1;
}

int cmd_format(const char *arg)
{
    oid_value nsyntax;
    if (!arg || !*arg)
    {
        printf("Usage: format <recordsyntax>\n");
        return 0;
    }
    nsyntax = oid_getvalbyname (arg);
    if (strcmp(arg, "none") && nsyntax == VAL_NONE)
    {
        printf ("unknown record syntax\n");
        return 0;
    }
    recordsyntax = nsyntax;
    return 1;
}

int cmd_elements(const char *arg)
{
    static Z_ElementSetNames esn;
    static char what[100];

    if (!arg || !*arg)
    {
        elementSetNames = 0;
        return 1;
    }
    strcpy(what, arg);
    esn.which = Z_ElementSetNames_generic;
    esn.u.generic = what;
    elementSetNames = &esn;
    return 1;
}

int cmd_attributeset(const char *arg)
{
    char what[100];

    if (!arg || !*arg)
    {
        printf("Usage: attributeset <setname>\n");
        return 0;
    }
    sscanf(arg, "%s", what);
    if (p_query_attset (what))
    {
        printf("Unknown attribute set name\n");
        return 0;
    }
    return 1;
}

int cmd_querytype (const char *arg)
{
    if (!strcmp (arg, "ccl"))
        queryType = QueryType_CCL;
    else if (!strcmp (arg, "prefix") || !strcmp(arg, "rpn"))
        queryType = QueryType_Prefix;
    else if (!strcmp (arg, "ccl2rpn") || !strcmp (arg, "cclrpn"))
        queryType = QueryType_CCL2RPN;
    else if (!strcmp(arg, "cql"))
        queryType = QueryType_CQL;        
    else if (!strcmp (arg, "cql2rpn") || !strcmp (arg, "cqlrpn"))
        queryType = QueryType_CQL2RPN;
    else
    {
        printf ("Querytype must be one of:\n");
        printf (" prefix         - Prefix query\n");
        printf (" ccl            - CCL query\n");
        printf (" ccl2rpn        - CCL query converted to RPN\n");
        printf (" cql            - CQL\n");
        printf (" cql2rpn        - CQL query converted to RPN\n");
        return 0;
    }
    return 1;
}

int cmd_refid (const char *arg)
{
    xfree (refid);
    refid = NULL;
    if (*arg)
        refid = xstrdup (arg);
    return 1;
}

int z_cmd_close(const char *arg)
{
    Z_APDU *apdu;
    Z_Close *req;
    if (!conn)
        return 0;
    if (only_z3950())
	return 0;

    apdu = zget_APDU(out, Z_APDU_close);
    req = apdu->u.close;
    *req->closeReason = Z_Close_finished;
    send_apdu(apdu);
    printf("Sent close request.\n");
    sent_close = 1;
    return 2;
}

int cmd_packagename(const char* arg)
{
    xfree (esPackageName);
    esPackageName = NULL;
    if (*arg)
        esPackageName = xstrdup(arg);
    return 1;
}

int cmd_proxy(const char* arg)
{
    xfree (yazProxy);
    yazProxy = NULL;
    if (*arg)
        yazProxy = xstrdup (arg);
    return 1;
}

int cmd_marccharset(const char *arg)
{
    char l1[30];

    *l1 = 0;
    if (sscanf(arg, "%29s", l1) < 1)
    {
    	printf("MARC character set is `%s'\n", 
               marcCharset ? marcCharset: "none");
        return 1;
    }
    xfree (marcCharset);
    marcCharset = 0;
    if (strcmp(l1, "-"))
        marcCharset = xstrdup(l1);
    return 1;
}

int cmd_displaycharset(const char *arg)
{
    char l1[30];

    *l1 = 0;
    if (sscanf(arg, "%29s", l1) < 1)
    {
    	printf("Display character set is `%s'\n", 
               outputCharset ? outputCharset: "none");
    }
    else
    {
        xfree (outputCharset);
        outputCharset = 0;
        if (!strcmp(l1, "auto") && codeset)
        {
            if (codeset)
            {
                printf ("Display character set: %s\n", codeset);
                outputCharset = xstrdup(codeset);
            }
            else
                printf ("No codeset found on this system\n");
        }
        else if (strcmp(l1, "-") && strcmp(l1, "none"))
            outputCharset = xstrdup(l1);
    } 
    return 1;
}

int cmd_negcharset(const char *arg)
{
    char l1[30];

    *l1 = 0;
    if (sscanf(arg, "%29s %d %d", l1, &negotiationCharsetRecords,
	       &negotiationCharsetVersion) < 1)
    {
    	printf("Current negotiation character set is `%s'\n", 
               negotiationCharset ? negotiationCharset: "none");  
	printf("Records in charset %s\n", negotiationCharsetRecords ? 
	       "yes" : "no");
	printf("Charneg version %d\n", negotiationCharsetVersion);
    }
    else
    {
	xfree (negotiationCharset);
	negotiationCharset = NULL;
	if (*l1 && strcmp(l1, "-") && strcmp(l1, "none"))
	{
	    negotiationCharset = xstrdup(l1);
	    printf ("Character set negotiation : %s\n", negotiationCharset);
	}
    }
    return 1;
}

int cmd_charset(const char* arg)
{
    char l1[30], l2[30], l3[30];

    *l1 = *l2 = *l3 = 0;
    if (sscanf(arg, "%29s %29s %29s", l1, l2, l3) < 1)
    {
	cmd_negcharset("");
	cmd_displaycharset("");
	cmd_marccharset("");
    }
    else
    {
	cmd_negcharset(l1);
	if (*l2)
	    cmd_displaycharset(l2);
	if (*l3)
	    cmd_marccharset(l3);
    }
    return 1;
}

int cmd_lang(const char* arg)
{
    if (*arg == '\0') {
    	printf("Current language is `%s'\n", (yazLang)?yazLang:NULL);
    	return 1;
    }
    xfree (yazLang);
    yazLang = NULL;
    if (*arg)
        yazLang = xstrdup(arg);
    return 1;
}

int cmd_source(const char* arg, int echo ) 
{
    /* first should open the file and read one line at a time.. */
    FILE* includeFile;
    char line[102400], *cp;

    if(strlen(arg)<1) {
        fprintf(stderr,"Error in source command use a filename\n");
        return -1;
    }
    
    includeFile = fopen (arg, "r");
    
    if(!includeFile) {
        fprintf(stderr,"Unable to open file %s for reading\n",arg);
        return -1;
    }
    
    while(!feof(includeFile)) {
        memset(line,0,sizeof(line));
        fgets(line,sizeof(line),includeFile);
        
        if(strlen(line) < 2) continue;
        if(line[0] == '#') continue;
        
        if ((cp = strrchr (line, '\n')))
            *cp = '\0';
	
	if( echo ) {
	    printf( "processing line: %s\n",line );
	};
        process_cmd_line(line);
    }
    
    if(fclose(includeFile)<0) {
        perror("unable to close include file");
        exit(1);
    }
    return 1;
}

int cmd_source_echo(const char* arg)
{ 
    cmd_source(arg, 1);
    return 1;
}

int cmd_source_noecho(const char* arg)
{
    cmd_source(arg, 0);
    return 1;
}


int cmd_subshell(const char* args)
{
    if(strlen(args)) 
        system(args);
    else 
        system(getenv("SHELL"));
    
    printf("\n");
    return 1;
}

int cmd_set_berfile(const char *arg)
{
    if (ber_file && ber_file != stdout && ber_file != stderr)
        fclose(ber_file);
    if (!strcmp(arg, ""))
        ber_file = 0;
    else if (!strcmp(arg, "-"))
        ber_file = stdout;
    else
        ber_file = fopen(arg, "a");
    return 1;
}

int cmd_set_apdufile(const char *arg)
{
    if(apdu_file && apdu_file != stderr && apdu_file != stderr)
        fclose(apdu_file);
    if (!strcmp(arg, ""))
        apdu_file = 0;
    else if (!strcmp(arg, "-"))
        apdu_file = stderr;
    else
    {
        apdu_file = fopen(arg, "a");
        if (!apdu_file)
            perror("unable to open apdu log file");
    }
    if (apdu_file)
        odr_setprint(print, apdu_file);
    return 1;
}

int cmd_set_cclfile(const char* arg)
{  
    FILE *inf;

    bibset = ccl_qual_mk (); 
    inf = fopen (arg, "r");
    if (!inf)
        perror("unable to open CCL file");
    else
    {
        ccl_qual_file (bibset, inf);
        fclose (inf);
    }
    strcpy(ccl_fields,arg);
    return 0;
}

int cmd_set_cqlfile(const char* arg)
{
    cql_transform_t newcqltrans;

    if ((newcqltrans = cql_transform_open_fname(arg)) == 0) {
        perror("unable to open CQL file");
	return 0;
    }
    if (cqltrans != 0)
	cql_transform_close(cqltrans);

    cqltrans = newcqltrans;
    strcpy(cql_fields, arg);
    return 0;
}

int cmd_set_auto_reconnect(const char* arg)
{  
    if(strlen(arg)==0) {
        auto_reconnect = ! auto_reconnect;
    } else if(strcmp(arg,"on")==0) {
        auto_reconnect = 1;
    } else if(strcmp(arg,"off")==0) {
        auto_reconnect = 0;		
    } else {
        printf("Error use on or off\n");
        return 1;
    }
    
    if (auto_reconnect)
        printf("Set auto reconnect enabled.\n");
    else
        printf("Set auto reconnect disabled.\n");
    
    return 0;
}

int cmd_set_marcdump(const char* arg)
{
    if(marc_file && marc_file != stderr) { /* don't close stdout*/
        fclose(marc_file);
    }

    if (!strcmp(arg, ""))
        marc_file = 0;
    else if (!strcmp(arg, "-"))
        marc_file = stderr;
    else
    {
        marc_file = fopen(arg, "a");
        if (!marc_file)
            perror("unable to open marc log file");
    }
    return 1;
}

/* 
   this command takes 3 arge {name class oid} 
*/
int cmd_register_oid(const char* args) {
    static struct {
        char* className;
        oid_class oclass;
    } oid_classes[] = {
        {"appctx",CLASS_APPCTX},
        {"absyn",CLASS_ABSYN},
        {"attset",CLASS_ATTSET},
        {"transyn",CLASS_TRANSYN},
        {"diagset",CLASS_DIAGSET},
        {"recsyn",CLASS_RECSYN},
        {"resform",CLASS_RESFORM},
        {"accform",CLASS_ACCFORM},
        {"extserv",CLASS_EXTSERV},
        {"userinfo",CLASS_USERINFO},
        {"elemspec",CLASS_ELEMSPEC},
        {"varset",CLASS_VARSET},
        {"schema",CLASS_SCHEMA},
        {"tagset",CLASS_TAGSET},
        {"general",CLASS_GENERAL},
        {0,(enum oid_class) 0}
    };
    char oname_str[101], oclass_str[101], oid_str[101];  
    char* name;
    int i;
    oid_class oidclass = CLASS_GENERAL;
    int val = 0, oid[OID_SIZE];
    struct oident * new_oident=NULL;
    
    if (sscanf (args, "%100[^ ] %100[^ ] %100s",
                oname_str,oclass_str, oid_str) < 1) {
        printf("Error in register command \n");
        return 0;
    }
    
    for (i = 0; oid_classes[i].className; i++) {
        if (!strcmp(oid_classes[i].className, oclass_str))
        {
            oidclass=oid_classes[i].oclass;
            break;
        }
    }
    
    if(!(oid_classes[i].className)) {
        printf("Unknown oid class %s\n",oclass_str);
        return 0;
    }
    
    i = 0;
    name = oid_str;
    val = 0;
    
    while (isdigit (*(unsigned char *) name))
    {
        val = val*10 + (*name - '0');
        name++;
        if (*name == '.')
        {
            if (i < OID_SIZE-1)
                oid[i++] = val;
            val = 0;
            name++;
        }
    }
    oid[i] = val;
    oid[i+1] = -1;
    
    new_oident = oid_addent (oid, PROTO_GENERAL, oidclass, oname_str,
			     VAL_DYNAMIC);  
    if(strcmp(new_oident->desc,oname_str))
    {
        fprintf(stderr,"oid is already named as %s, registration failed\n",
                new_oident->desc);
    }
    return 1;  
}

int cmd_push_command(const char* arg) 
{
    
#if HAVE_READLINE_HISTORY_H
    if(strlen(arg)>1) 
        add_history(arg);
#else 
    fprintf(stderr,"Not compiled with the readline/history module\n");
#endif
    return 1;
}

void source_rcfile() 
{
    /*  Look for a $HOME/.yazclientrc and source it if it exists */
    struct stat statbuf;
    char buffer[1000];
    char* homedir=getenv("HOME");

    if( homedir ) {
	
	sprintf(buffer,"%s/.yazclientrc",homedir);

	if(stat(buffer,&statbuf)==0) {
	    cmd_source(buffer, 0 );
	}
	
    };
    
    if(stat(".yazclientrc",&statbuf)==0) {
        cmd_source(".yazclientrc", 0 );
    }
}


void z_initialize(void)
{
    FILE *inf;
    int i;
    
    if (!(out = odr_createmem(ODR_ENCODE)) ||
        !(in = odr_createmem(ODR_DECODE)) ||
        !(print = odr_createmem(ODR_PRINT)))
    {
        fprintf(stderr, "failed to allocate ODR streams\n");
        exit(1);
    }
    oid_init();
    
    setvbuf(stdout, 0, _IONBF, 0);
    if (apdu_file)
        odr_setprint(print, apdu_file);

    bibset = ccl_qual_mk (); 
    inf = fopen (ccl_fields, "r");
    if (inf)
    {
        ccl_qual_file (bibset, inf);
        fclose (inf);
    }

    cqltrans = cql_transform_open_fname(cql_fields);
    /* If this fails, no problem: we detect cqltrans == 0 later */

#if HAVE_READLINE_READLINE_H
    rl_attempted_completion_function = (CPPFunction*)readline_completer;
#endif
    
    
    for(i=0; i<maxOtherInfosSupported; ++i) {
        extraOtherInfos[i].oidval = -1;
    }
    
    source_rcfile();
}


#if HAVE_GETTIMEOFDAY
struct timeval tv_start, tv_end;
#endif

#if HAVE_XML2
static void handle_srw_record(Z_SRW_record *rec)
{
    if (rec->recordPosition)
    {
	printf ("pos=%d", *rec->recordPosition);
	setno = *rec->recordPosition + 1;
    }
    if (rec->recordSchema)
	printf (" schema=%s", rec->recordSchema);
    printf ("\n");
    if (rec->recordData_buf && rec->recordData_len)
    {
	fwrite(rec->recordData_buf, 1, rec->recordData_len, stdout);
	if (marc_file)
	    fwrite (rec->recordData_buf, 1, rec->recordData_len, marc_file);
    }
    else
	printf ("No data!");
    printf("\n");
}

static void handle_srw_explain_response(Z_SRW_explainResponse *res)
{
    handle_srw_record(&res->record);
}

static void handle_srw_response(Z_SRW_searchRetrieveResponse *res)
{
    int i;

    printf ("Received SRW SearchRetrieve Response\n");
    
    for (i = 0; i<res->num_diagnostics; i++)
    {
	if (res->diagnostics[i].uri)
	    printf ("SRW diagnostic %s\n",
		    res->diagnostics[i].uri);
	else
	    printf ("SRW diagnostic missing or could not be decoded\n");
	if (res->diagnostics[i].message)
            printf ("Message: %s\n", res->diagnostics[i].message);
	if (res->diagnostics[i].details)
            printf ("Details: %s\n", res->diagnostics[i].details);
    }
    if (res->numberOfRecords)
        printf ("Number of hits: %d\n", *res->numberOfRecords);
    for (i = 0; i<res->num_records; i++)
	handle_srw_record(res->records + i);
}

static void handle_srw_scan_term(Z_SRW_scanTerm *term)
{
    if (term->displayTerm)
	printf("%s:", term->displayTerm);
    else if (term->value)
	printf("%s:", term->value);
    else
	printf("No value:");
    if (term->numberOfRecords)
	printf(" %d", *term->numberOfRecords);
    if (term->whereInList)
	printf(" %s", term->whereInList);
    if (term->value && term->displayTerm)
	printf(" %s", term->value);

    strcpy(last_scan_line, term->value);
    printf("\n");
}

static void handle_srw_scan_response(Z_SRW_scanResponse *res)
{
    int i;

    printf ("Received SRW Scan Response\n");
    
    for (i = 0; i<res->num_diagnostics; i++)
    {
	if (res->diagnostics[i].uri)
	    printf ("SRW diagnostic %s\n",
		    res->diagnostics[i].uri);
	else
	    printf ("SRW diagnostic missing or could not be decoded\n");
	if (res->diagnostics[i].message)
            printf ("Message: %s\n", res->diagnostics[i].message);
	if (res->diagnostics[i].details)
            printf ("Details: %s\n", res->diagnostics[i].details);
    }
    if (res->terms)
	for (i = 0; i<res->num_terms; i++)
	    handle_srw_scan_term(res->terms + i);
}

static void http_response(Z_HTTP_Response *hres)
{
    int ret = -1;
    const char *content_type = z_HTTP_header_lookup(hres->headers,
                                                    "Content-Type");
    const char *connection_head = z_HTTP_header_lookup(hres->headers,
                                                       "Connection");
    if (content_type && !yaz_strcmp_del("text/xml", content_type, "; "))
    {
        Z_SOAP *soap_package = 0;
        ODR o = odr_createmem(ODR_DECODE);
        Z_SOAP_Handler soap_handlers[2] = {
            {"http://www.loc.gov/zing/srw/", 0,
             (Z_SOAP_fun) yaz_srw_codec},
            {0, 0, 0}
        };
        ret = z_soap_codec(o, &soap_package,
                           &hres->content_buf, &hres->content_len,
                           soap_handlers);
        if (!ret && soap_package->which == Z_SOAP_generic &&
            soap_package->u.generic->no == 0)
        {
            Z_SRW_PDU *sr = soap_package->u.generic->p;
            if (sr->which == Z_SRW_searchRetrieve_response)
                handle_srw_response(sr->u.response);
            else if (sr->which == Z_SRW_explain_response)
                handle_srw_explain_response(sr->u.explain_response);
            else if (sr->which == Z_SRW_scan_response)
                handle_srw_scan_response(sr->u.scan_response);
            else
                ret = -1;
        }
        else if (soap_package && (soap_package->which == Z_SOAP_fault
                          || soap_package->which == Z_SOAP_error))
        {
            printf ("HTTP Error Status=%d\n", hres->code);
            printf ("SOAP Fault code %s\n",
                    soap_package->u.fault->fault_code);
            printf ("SOAP Fault string %s\n", 
                    soap_package->u.fault->fault_string);
	    if (soap_package->u.fault->details)
		printf ("SOAP Details %s\n", 
			soap_package->u.fault->details);
        }
        else
            ret = -1;
        odr_destroy(o);
    }
    if (ret)
    {
        if (hres->code != 200)
        {
	    printf ("HTTP Error Status=%d\n", hres->code);
        }
        else
        {
            printf ("Decoding of SRW package failed\n");
        }
        close_session();
    }
    else
    {
	if (!strcmp(hres->version, "1.0"))
	{
	    /* HTTP 1.0: only if Keep-Alive we stay alive.. */
	    if (!connection_head || strcmp(connection_head, "Keep-Alive"))
		close_session();
	}
	else 
	{
	    /* HTTP 1.1: only if no close we stay alive .. */
	    if (connection_head && !strcmp(connection_head, "close"))
		close_session();
	}
    }
}
#endif

void wait_and_handle_response() 
{
    int reconnect_ok = 1;
    int res;
    char *netbuffer= 0;
    int netbufferlen = 0;
    Z_GDU *gdu;
    
    while(conn)
    {
        res = cs_get(conn, &netbuffer, &netbufferlen);
        if (reconnect_ok && res <= 0 && protocol == PROTO_HTTP)
        {
            cs_close(conn);
            conn = 0;
            cmd_open(0);
            reconnect_ok = 0;
            if (conn)
            {
                char *buf_out;
                int len_out;
                
                buf_out = odr_getbuf(out, &len_out, 0);
                
		do_hex_dump(buf_out, len_out);

                cs_put(conn, buf_out, len_out);
                
                odr_reset(out);
                continue;
            }
        }
        else if (res <= 0)
        {
            printf("Target closed connection\n");
            close_session();
            break;
        }
        odr_reset(out);
        odr_reset(in); /* release APDU from last round */
        record_last = 0;
        do_hex_dump(netbuffer, res);
        odr_setbuf(in, netbuffer, res, 0);
        
        if (!z_GDU(in, &gdu, 0, 0))
        {
            FILE *f = ber_file ? ber_file : stdout;
            odr_perror(in, "Decoding incoming APDU");
            fprintf(f, "[Near %d]\n", odr_offset(in));
            fprintf(f, "Packet dump:\n---------\n");
            odr_dumpBER(f, netbuffer, res);
            fprintf(f, "---------\n");
            if (apdu_file)
	    {
                z_GDU(print, &gdu, 0, 0);
		odr_reset(print);
	    }
            if (conn && cs_more(conn))
                continue;
	    break;
        }
        if (ber_file)
            odr_dumpBER(ber_file, netbuffer, res);
        if (apdu_file && !z_GDU(print, &gdu, 0, 0))
        {
            odr_perror(print, "Failed to print incoming APDU");
            odr_reset(print);
	    continue;
        }
        if (gdu->which == Z_GDU_Z3950)
        {
            Z_APDU *apdu = gdu->u.z3950;
            switch(apdu->which)
            {
            case Z_APDU_initResponse:
		// kjdon copying johnmcp
		/* save session parameters for later use */
		session_mem = odr_extract_mem(in);
		session = apdu->u.initResponse;
		// greenstone will call z_get_initResponse to get the info
		// about what happened with the connection
                //process_initResponse(apdu->u.initResponse);
                break;
            case Z_APDU_searchResponse:
                process_searchResponse(apdu->u.searchResponse);
                break;
            case Z_APDU_scanResponse:
                process_scanResponse(apdu->u.scanResponse);
                break;
            case Z_APDU_presentResponse:
                print_refid (apdu->u.presentResponse->referenceId);
                setno +=
                    *apdu->u.presentResponse->numberOfRecordsReturned;
                if (apdu->u.presentResponse->records)
                    display_records(apdu->u.presentResponse->records);
                else
                    printf("No records.\n");
                printf ("nextResultSetPosition = %d\n",
                        *apdu->u.presentResponse->nextResultSetPosition);
                break;
            case Z_APDU_sortResponse:
                process_sortResponse(apdu->u.sortResponse);
                break;
            case Z_APDU_extendedServicesResponse:
                printf("Got extended services response\n");
                process_ESResponse(apdu->u.extendedServicesResponse);
                break;
            case Z_APDU_close:
                printf("Target has closed the association.\n");
                process_close(apdu->u.close);
                break;
            case Z_APDU_resourceControlRequest:
                process_resourceControlRequest
                    (apdu->u.resourceControlRequest);
                break;
            case Z_APDU_deleteResultSetResponse:
                process_deleteResultSetResponse(apdu->u.
                                                deleteResultSetResponse);
                break;
            default:
                printf("Received unknown APDU type (%d).\n", 
                       apdu->which);
                close_session ();
            }
        }
#if HAVE_XML2
        else if (gdu->which == Z_GDU_HTTP_Response)
        {
            http_response(gdu->u.HTTP_Response);
        }
#endif
        if (conn && !cs_more(conn))
            break;
    } // while conn
    if (conn)
    {
#if HAVE_GETTIMEOFDAY
        gettimeofday (&tv_end, 0);
#if 0
        printf ("S/U S/U=%ld/%ld %ld/%ld",
                (long) tv_start.tv_sec,
                (long) tv_start.tv_usec,
                (long) tv_end.tv_sec,
                (long) tv_end.tv_usec);
#endif
        printf ("Elapsed: %.6f\n",
                (double) tv_end.tv_usec / 1e6 + tv_end.tv_sec -
                ((double) tv_start.tv_usec / 1e6 + tv_start.tv_sec));
#endif
    }
    xfree (netbuffer);
}


int cmd_cclparse(const char* arg) 
{
    int error, pos;
    struct ccl_rpn_node *rpn=NULL;
    
    
    rpn = ccl_find_str (bibset, arg, &error, &pos);
    
    if (error) {
        printf ("%*s^ - ", 3+strlen(last_cmd)+1+pos, " ");
        printf ("%s\n", ccl_err_msg (error));
    }
    else
    {
        if (rpn)
        {	
            ccl_pr_tree(rpn, stdout); 
        }
    }
    if (rpn)
        ccl_rpn_delete(rpn);
    
    printf ("\n");
    
    return 0;
}


int cmd_set_otherinfo(const char* args)
{
    char oidstr[101], otherinfoString[101];
    int otherinfoNo;
    int sscan_res;
    int oidval;
    
    sscan_res = sscanf (args, "%d %100[^ ] %100s", &otherinfoNo, oidstr, otherinfoString);
    if (sscan_res==1) {
        /* reset this otherinfo */
        if(otherinfoNo>=maxOtherInfosSupported) {
            printf("Error otherinfo index to large (%d>%d)\n",
		   otherinfoNo,maxOtherInfosSupported);
        }
        extraOtherInfos[otherinfoNo].oidval = -1;
        if (extraOtherInfos[otherinfoNo].value)
	    free(extraOtherInfos[otherinfoNo].value);	 		
        return 0;
    }
    if (sscan_res<3) {
        printf("Error in set_otherinfo command \n");
        return 0;
    }
    
    if (otherinfoNo>=maxOtherInfosSupported) {
        printf("Error otherinfo index to large (%d>%d)\n",
	       otherinfoNo,maxOtherInfosSupported);
    }
    
    oidval = oid_getvalbyname (oidstr);
    if (oidval == -1 ) {
        printf("Error in set_otherinfo command unknown oid %s \n",oidstr);
        return 0;
    }
    extraOtherInfos[otherinfoNo].oidval = oidval;
    if(extraOtherInfos[otherinfoNo].value) free(extraOtherInfos[otherinfoNo].value);
    extraOtherInfos[otherinfoNo].value = strdup(otherinfoString);
    
    return 0;
}

int cmd_sleep(const char* args ) 
{
    int sec=atoi(args);
    if( sec > 0 ) {
#ifdef WIN32
	Sleep(sec*1000);
#else
	sleep(sec);
#endif
	printf("Done sleeping %d seconds\n", sec);	
    }
    return 1;    
}

int cmd_list_otherinfo(const char* args)
{
    int i;	   
    
    if(strlen(args)>0) {
        i = atoi(args);
        if( i >= maxOtherInfosSupported ) {
            printf("Error otherinfo index to large (%d>%d)\n",i,maxOtherInfosSupported);
            return 0;
        }

        if(extraOtherInfos[i].oidval != -1) 
            printf("  otherinfo %d %s %s\n",
                   i,
                   yaz_z3950_oid_value_to_str(
                       (enum oid_value) extraOtherInfos[i].oidval,
                       CLASS_RECSYN),
                   extraOtherInfos[i].value);
        
    } else {		
        for(i=0; i<maxOtherInfosSupported; ++i) {
            if(extraOtherInfos[i].oidval != -1) 
                printf("  otherinfo %d %s %s\n",
                       i,
                       yaz_z3950_oid_value_to_str(
                           (enum oid_value) extraOtherInfos[i].oidval,
                           CLASS_RECSYN),
                       extraOtherInfos[i].value);
        }
        
    }
    return 0;
}


int cmd_list_all(const char* args) {
    int i;
    
    /* connection options */
    if(conn) {
        printf("Connected to         : %s\n",last_open_command);
    } else {
        if(last_open_command) 
            printf("Not connected to     : %s\n",last_open_command);
        else 
            printf("Not connected        : \n");
        
    }
    if(yazProxy) printf("using proxy          : %s\n",yazProxy);		
    
    printf("auto_reconnect       : %s\n",auto_reconnect?"on":"off");
    
    if (!auth) {
        printf("Authentication       : none\n");
    } else {
        switch(auth->which) {
        case Z_IdAuthentication_idPass:
            printf("Authentication       : IdPass\n"); 
            printf("    Login User       : %s\n",auth->u.idPass->userId?auth->u.idPass->userId:"");
            printf("    Login Group      : %s\n",auth->u.idPass->groupId?auth->u.idPass->groupId:"");
            printf("    Password         : %s\n",auth->u.idPass->password?auth->u.idPass->password:"");
            break;
        case Z_IdAuthentication_open:
            printf("Authentication       : psOpen\n");			
            printf("    Open string      : %s\n",auth->u.open);	
            break;
        default:
            printf("Authentication       : Unknown\n");
        }
    }
    if (negotiationCharset)
        printf("Neg. Character set   : `%s'\n", negotiationCharset);
    
    /* bases */
    printf("Bases                : ");
    for (i = 0; i<num_databaseNames; i++) printf("%s ",databaseNames[i]);
    printf("\n");
    
    /* Query options */
    printf("CCL file             : %s\n",ccl_fields);
    printf("CQL file             : %s\n",cql_fields);
    printf("Query type           : %s\n",query_type_as_string(queryType));
    
    printf("Named Result Sets    : %s\n",setnumber==-1?"off":"on");
    
    /* piggy back options */
    printf("ssub/lslb/mspn       : %d/%d/%d\n",smallSetUpperBound,largeSetLowerBound,mediumSetPresentNumber);
    
    /* print present related options */
    printf("Format               : %s\n",yaz_z3950_oid_value_to_str(recordsyntax,CLASS_RECSYN));
    printf("Schema               : %s\n",record_schema ? record_schema : "not set");
    printf("Elements             : %s\n",elementSetNames?elementSetNames->u.generic:"");
    
    /* loging options */
    printf("APDU log             : %s\n",apdu_file?"on":"off");
    printf("Record log           : %s\n",marc_file?"on":"off");
    
    /* other infos */
    printf("Other Info: \n");
    cmd_list_otherinfo("");
    
    return 0;
}

int cmd_clear_otherinfo(const char* args) 
{
    if(strlen(args)>0) {
        int otherinfoNo;
        otherinfoNo = atoi(args);
        if( otherinfoNo >= maxOtherInfosSupported ) {
            printf("Error otherinfo index to large (%d>%d)\n",otherinfoNo,maxOtherInfosSupported);
            return 0;
        }
        
        if(extraOtherInfos[otherinfoNo].oidval != -1) {			
            /* only clear if set. */
            extraOtherInfos[otherinfoNo].oidval=-1;
            free(extraOtherInfos[otherinfoNo].value);
        }
    } else {
        int i;
	
        for(i=0; i<maxOtherInfosSupported; ++i) {
            if (extraOtherInfos[i].oidval!=-1 ) {				
                extraOtherInfos[i].oidval=-1;
                free(extraOtherInfos[i].value);
            }
        }
    }
    return 0;
}

static int cmd_help (const char *line);

typedef char *(*completerFunctionType)(const char *text, int state);

static struct {
    char *cmd;
    int (*fun)(const char *arg);
    char *ad;
    completerFunctionType rl_completerfunction;
    int complete_filenames;
    char **local_tabcompletes;
} cmd_array[] = {
    {"open", cmd_open, "('tcp'|'ssl')':<host>[':'<port>][/<db>]",NULL,0,NULL},
    {"quit", cmd_quit, "",NULL,0,NULL},
    {"find", cmd_find, "<query>",NULL,0,NULL},
    {"delete", cmd_delete, "<setname>",NULL,0,NULL},
    {"base", cmd_base, "<base-name>",NULL,0,NULL},
    {"show", cmd_show, "<rec#>['+'<#recs>['+'<setname>]]",NULL,0,NULL},
    {"scan", cmd_scan, "<term>",NULL,0,NULL},
    {"scanstep", cmd_scanstep, "<size>",NULL,0,NULL},
    {"scanpos", cmd_scanpos, "<size>",NULL,0,NULL},
    {"scansize", cmd_scansize, "<size>",NULL,0,NULL},
    {"sort", cmd_sort, "<sortkey> <flag> <sortkey> <flag> ...",NULL,0,NULL},
    {"sort+", cmd_sort_newset, "<sortkey> <flag> <sortkey> <flag> ...",NULL,0,NULL},
    {"authentication", cmd_authentication, "<acctstring>",NULL,0,NULL},
    {"lslb", cmd_lslb, "<largeSetLowerBound>",NULL,0,NULL},
    {"ssub", cmd_ssub, "<smallSetUpperBound>",NULL,0,NULL},
    {"mspn", cmd_mspn, "<mediumSetPresentNumber>",NULL,0,NULL},
    {"status", cmd_status, "",NULL,0,NULL},
    {"setnames", cmd_setnames, "",NULL,0,NULL},
    {"cancel", cmd_cancel, "",NULL,0,NULL},
    {"cancel_find", cmd_cancel_find, "<query>",NULL,0,NULL},
    {"format", cmd_format, "<recordsyntax>",complete_format,0,NULL},
    {"schema", cmd_schema, "<schema>",complete_schema,0,NULL},
    {"elements", cmd_elements, "<elementSetName>",NULL,0,NULL},
    {"close", z_cmd_close, "",NULL,0,NULL},
    {"attributeset", cmd_attributeset, "<attrset>",complete_attributeset,0,NULL},
    {"querytype", cmd_querytype, "<type>",complete_querytype,0,NULL},
    {"refid", cmd_refid, "<id>",NULL,0,NULL},
    {"itemorder", cmd_itemorder, "ill|item <itemno>",NULL,0,NULL},
    {"update", cmd_update, "<action> <recid> [<file>]",NULL,0,NULL},
    {"update0", cmd_update0, "<action> <recid> [<file>]",NULL,0,NULL},
    {"packagename", cmd_packagename, "<packagename>",NULL,0,NULL},
    {"proxy", cmd_proxy, "[('tcp'|'ssl')]<host>[':'<port>]",NULL,0,NULL},
    {"charset", cmd_charset, "<nego_charset> <output_charset>",NULL,0,NULL},
    {"negcharset", cmd_negcharset, "<nego_charset>",NULL,0,NULL},
    {"displaycharset", cmd_displaycharset, "<output_charset>",NULL,0,NULL},
    {"marccharset", cmd_marccharset, "<charset_name>",NULL,0,NULL},
    {"lang", cmd_lang, "<language_code>",NULL,0,NULL},
    {".", cmd_source_echo, "<filename>",NULL,1,NULL},
    {"!", cmd_subshell, "Subshell command",NULL,1,NULL},
    {"set_apdufile", cmd_set_apdufile, "<filename>",NULL,1,NULL},
    {"set_berfile", cmd_set_berfile, "<filename>",NULL,1,NULL},
    {"set_marcdump", cmd_set_marcdump," <filename>",NULL,1,NULL},
    {"set_cclfile", cmd_set_cclfile," <filename>",NULL,1,NULL},
    {"set_cqlfile", cmd_set_cqlfile," <filename>",NULL,1,NULL},
    {"set_auto_reconnect", cmd_set_auto_reconnect," on|off",complete_auto_reconnect,1,NULL},
    {"set_otherinfo", cmd_set_otherinfo,"<otherinfoinddex> <oid> <string>",NULL,0,NULL},
    {"sleep", cmd_sleep,"<seconds>",NULL,0,NULL},
    {"register_oid", cmd_register_oid,"<name> <class> <oid>",NULL,0,NULL},
    {"push_command", cmd_push_command,"<command>",command_generator,0,NULL},
    {"register_tab", cmd_register_tab,"<commandname> <tab>",command_generator,0,NULL},
    {"cclparse", cmd_cclparse,"<ccl find command>",NULL,0,NULL},
    {"list_otherinfo",cmd_list_otherinfo,"[otherinfoinddex]",NULL,0,NULL},
    {"list_all",cmd_list_all,"",NULL,0,NULL},
    {"clear_otherinfo",cmd_clear_otherinfo,"",NULL,0,NULL},
    /* Server Admin Functions */
    /*    {"adm-reindex", cmd_adm_reindex, "<database-name>",NULL,0,NULL},
    {"adm-truncate", cmd_adm_truncate, "('database'|'index')<object-name>",NULL,0,NULL},
    {"adm-create", cmd_adm_create, "",NULL,0,NULL},
    {"adm-drop", cmd_adm_drop, "('database'|'index')<object-name>",NULL,0,NULL},
    {"adm-import", cmd_adm_import, "<record-type> <dir> <pattern>",NULL,0,NULL},
    {"adm-refresh", cmd_adm_refresh, "",NULL,0,NULL},
    {"adm-commit", cmd_adm_commit, "",NULL,0,NULL},
    {"adm-shutdown", cmd_adm_shutdown, "",NULL,0,NULL},
    {"adm-startup", cmd_adm_startup, "",NULL,0,NULL},*/
    {"explain", cmd_explain, "", NULL, 0, NULL},
    {"options", cmd_options, "", NULL, 0, NULL},
    {"zversion", cmd_zversion, "", NULL, 0, NULL},
    {"help", cmd_help, "", NULL,0,NULL},
    {"init", cmd_init, "", NULL,0,NULL},
    {0,0,0,0,0,0}
};

static int cmd_help (const char *line)
{
    int i;
    char topic[21];
    
    *topic = 0;
    sscanf (line, "%20s", topic);

    if (*topic == 0)
        printf("Commands:\n");
    for (i = 0; cmd_array[i].cmd; i++)
        if (*topic == 0 || strcmp (topic, cmd_array[i].cmd) == 0)
            printf("   %s %s\n", cmd_array[i].cmd, cmd_array[i].ad);
    if (strcmp (topic, "find") == 0)
    {
        printf ("RPN:\n");
        printf (" \"term\"                        Simple Term\n");
        printf (" @attr [attset] type=value op  Attribute\n");
        printf (" @and opl opr                  And\n");
        printf (" @or opl opr                   Or\n");
        printf (" @not opl opr                  And-Not\n");
        printf (" @set set                      Result set\n");
        printf ("\n");
        printf ("Bib-1 attribute types\n");
        printf ("1=Use:         ");
        printf ("4=Title 7=ISBN 8=ISSN 30=Date 62=Abstract 1003=Author 1016=Any\n");
        printf ("2=Relation:    ");
        printf ("1<   2<=  3=  4>=  5>  6!=  102=Relevance\n");
        printf ("3=Position:    ");
        printf ("1=First in Field  2=First in subfield  3=Any position\n");
        printf ("4=Structure:   ");
        printf ("1=Phrase  2=Word  3=Key  4=Year  5=Date  6=WordList\n");
        printf ("5=Truncation:  ");
        printf ("1=Right  2=Left  3=L&R  100=No  101=#  102=Re-1  103=Re-2\n");
        printf ("6=Completeness:");
        printf ("1=Incomplete subfield  2=Complete subfield  3=Complete field\n");
    }
    return 1;
}

int cmd_register_tab(const char* arg) {
	
    char command[101], tabargument[101];
    int i;
    int num_of_tabs;
    char** tabslist;
    
    if (sscanf (arg, "%100s %100s", command, tabargument) < 1) {
        return 0;
    }
    
    /* locate the amdn in the list */
    for (i = 0; cmd_array[i].cmd; i++) {
        if (!strncmp(cmd_array[i].cmd, command, strlen(command))) {
            break;
        }
    }
    
    if(!cmd_array[i].cmd) { 
        fprintf(stderr,"Unknown command %s\n",command);
        return 1;
    }
    
        
    if(!cmd_array[i].local_tabcompletes)
        cmd_array[i].local_tabcompletes = (char **) calloc(1,sizeof(char**));
    
    num_of_tabs=0;		
    
    tabslist = cmd_array[i].local_tabcompletes;
    for(;tabslist && *tabslist;tabslist++) {
        num_of_tabs++;
    }
    
    cmd_array[i].local_tabcompletes =  (char **)
        realloc(cmd_array[i].local_tabcompletes,(num_of_tabs+2)*sizeof(char**));
    tabslist=cmd_array[i].local_tabcompletes;
    tabslist[num_of_tabs]=strdup(tabargument);
    tabslist[num_of_tabs+1]=NULL;
    return 1;
}


void process_cmd_line(char* line)
{  
    int i,res;
    char word[32], arg[10240];
    
#if HAVE_GETTIMEOFDAY
    gettimeofday (&tv_start, 0);
#endif
    
    if ((res = sscanf(line, "%31s %10239[^;]", word, arg)) <= 0)
    {
        strcpy(word, last_cmd);
        *arg = '\0';
    }
    else if (res == 1)
        *arg = 0;
    strcpy(last_cmd, word);
    
    /* removed tailing spaces from the arg command */
    { 
        char* p = arg;
        char* lastnonspace=NULL;
        
        for(;*p; ++p) {
            if(!isspace(*(unsigned char *) p)) {
                lastnonspace = p;
            }
        }
        if(lastnonspace) 
            *(++lastnonspace) = 0;
    }
    
    for (i = 0; cmd_array[i].cmd; i++)
        if (!strncmp(cmd_array[i].cmd, word, strlen(word)))
        {
            res = (*cmd_array[i].fun)(arg);
            break;
        }
    
    if (!cmd_array[i].cmd) /* dump our help-screen */
    {
        printf("Unknown command: %s.\n", word);
        printf("use help for list of commands\n");
        /* cmd_help (""); */
        res = 1;
    }
    
    if(apdu_file) fflush(apdu_file);
    
    if (res >= 2)
        wait_and_handle_response();
    
    if(apdu_file)
        fflush(apdu_file);
    if(marc_file)
        fflush(marc_file);
}


char *command_generator(const char *text, int state) 
{
    static int idx; 
    if (state==0) {
        idx = 0;
    }
    for( ; cmd_array[idx].cmd; ++idx) {
        if (!strncmp(cmd_array[idx].cmd,text,strlen(text))) {
            ++idx;  /* skip this entry on the next run */
            return strdup(cmd_array[idx-1].cmd);
        }
    }
    return NULL;
}


/* 
   This function only known how to complete on the first word
*/
char ** readline_completer(char *text, int start, int end) {
#if HAVE_READLINE_READLINE_H

	completerFunctionType completerToUse;
	
    if(start == 0) {
#if HAVE_READLINE_RL_COMPLETION_MATCHES
        char** res=rl_completion_matches(text,
                                      command_generator); 
#else
        char** res=completion_matches(text,
                                      (CPFunction*)command_generator); 
#endif
        rl_attempted_completion_over = 1;
        return res;
    } else {
        char arg[10240],word[32];
        int i=0 ,res;
        if ((res = sscanf(rl_line_buffer, "%31s %10239[^;]", word, arg)) <= 0) {     
            rl_attempted_completion_over = 1;
            return NULL;
        }
        
        for (i = 0; cmd_array[i].cmd; i++) {
            if (!strncmp(cmd_array[i].cmd, word, strlen(word))) {
                break;
            }
        }
        
        if(!cmd_array[i].cmd) return NULL;
        
        curret_global_list = cmd_array[i].local_tabcompletes;
        
        completerToUse = cmd_array[i].rl_completerfunction;
        if(completerToUse==NULL)  /* if no pr. command completer is defined use the default completer */
            completerToUse = default_completer;
        
        if(completerToUse) {
#ifdef HAVE_READLINE_RL_COMPLETION_MATCHES
            char** res=
                rl_completion_matches(text,
                                      completerToUse);
#else
            char** res=
                completion_matches(text,
                                   (CPFunction*)completerToUse);
#endif
            if(!cmd_array[i].complete_filenames) 
                rl_attempted_completion_over = 1;
            return res;
        } else {
            if(!cmd_array[i].complete_filenames) 
                rl_attempted_completion_over = 1;
            return 0;
        }
    }
#else 
    return 0;
#endif 
}


static void client(void)
{
    char line[10240];

    line[10239] = '\0';

#if HAVE_GETTIMEOFDAY
    gettimeofday (&tv_start, 0);
#endif

    while (1)
    {
        char *line_in = NULL;
#if HAVE_READLINE_READLINE_H
        if (isatty(0))
        {
            line_in=readline(C_PROMPT);
            if (!line_in)
                break;
#if HAVE_READLINE_HISTORY_H
            if (*line_in)
                add_history(line_in);
#endif
            strncpy(line, line_in, 10239);
            free (line_in);
        }
#endif 
        if (!line_in)
        {
            char *end_p;
            printf (C_PROMPT);
            fflush(stdout);
            if (!fgets(line, 10239, stdin))
                break;
            if ((end_p = strchr (line, '\n')))
                *end_p = '\0';
        }
        process_cmd_line(line);
    }
}

static void show_version(void)
{
    char vstr[20];

    yaz_version(vstr, 0);
    printf ("YAZ version: %s\n", YAZ_VERSION);
    if (strcmp(vstr, YAZ_VERSION))
	printf ("YAZ DLL/SO: %s\n", vstr);
    exit(0);
}

/*
int main(int argc, char **argv)
{
    char *prog = *argv;
    char *open_command = 0;
    char *auth_command = 0;
    char *arg;
    int ret;
    
#if HAVE_LOCALE_H
    if (!setlocale(LC_CTYPE, ""))
        fprintf (stderr, "setlocale failed\n");
#endif
#if HAVE_LANGINFO_H
#ifdef CODESET
    codeset = nl_langinfo(CODESET);
#endif
#endif
    if (codeset)
	outputCharset = xstrdup(codeset);
    
    ODR_MASK_SET(&z3950_options, Z_Options_search);
    ODR_MASK_SET(&z3950_options, Z_Options_present);
    ODR_MASK_SET(&z3950_options, Z_Options_namedResultSets);
    ODR_MASK_SET(&z3950_options, Z_Options_triggerResourceCtrl);
    ODR_MASK_SET(&z3950_options, Z_Options_scan);
    ODR_MASK_SET(&z3950_options, Z_Options_sort);
    ODR_MASK_SET(&z3950_options, Z_Options_extendedServices);
    ODR_MASK_SET(&z3950_options, Z_Options_delSet);

    while ((ret = options("k:c:q:a:b:m:v:p:u:t:Vxd:", argv, argc, &arg)) != -2)
    {
        switch (ret)
        {
        case 0:
            if (!open_command)
            {
                open_command = (char *) xmalloc (strlen(arg)+6);
                strcpy (open_command, "open ");
                strcat (open_command, arg);
            }
	    else
	    {
		fprintf(stderr, "%s: Specify at most one server address\n",
			prog);
		exit(1);
	    }
            break;
	case 'd':
	    dump_file_prefix = arg;
	    break;
        case 'k':
            kilobytes = atoi(arg);
            break;
        case 'm':
            if (!(marc_file = fopen (arg, "a")))
            {
                perror (arg);
                exit (1);
            }
            break;
        case 't':
            outputCharset = xstrdup(arg);
            break;
        case 'c':
            strncpy (ccl_fields, arg, sizeof(ccl_fields)-1);
            ccl_fields[sizeof(ccl_fields)-1] = '\0';
            break;
        case 'q':
            strncpy (cql_fields, arg, sizeof(cql_fields)-1);
            cql_fields[sizeof(cql_fields)-1] = '\0';
            break;
        case 'b':
            if (!strcmp(arg, "-"))
                ber_file=stderr;
            else
                ber_file=fopen(arg, "a");
            break;
        case 'a':
            if (!strcmp(arg, "-"))
                apdu_file=stderr;
            else
                apdu_file=fopen(arg, "a");
            break;
	case 'x':
	    hex_dump = 1;
	    break;
        case 'p':
            yazProxy=strdup(arg);
            break;
        case 'u':
            if (!auth_command)
            {
                auth_command = (char *) xmalloc (strlen(arg)+6);
                strcpy (auth_command, "auth ");
                strcat (auth_command, arg);
            }
            break;
        case 'v':
            yaz_log_init(yaz_log_mask_str(arg), "", 0);
            break;
        case 'V':
	    show_version();
            break;
        default:
            fprintf (stderr, "Usage: %s [-m <marclog>] [ -a <apdulog>] "
                     "[-b berdump] [-c cclfields] \n"
		     "[-q cqlfields] [-p <proxy-addr>] [-u <auth>] "
                     "[-k size] [-d dump] [-V] [<server-addr>]\n",
                     prog);
            exit (1);
        }      
    }
    z_initialize();
    if (auth_command)
    {
#ifdef HAVE_GETTIMEOFDAY
        gettimeofday (&tv_start, 0);
#endif
        process_cmd_line (auth_command);
#if HAVE_READLINE_HISTORY_H
        add_history(auth_command);
#endif
        xfree(auth_command);
    }
    if (open_command)
    {
#ifdef HAVE_GETTIMEOFDAY
        gettimeofday (&tv_start, 0);
#endif
        process_cmd_line (open_command);
#if HAVE_READLINE_HISTORY_H
        add_history(open_command);
#endif
        xfree(open_command);
    }
    client ();
    exit (0);
}
*/
/*
 * Local variables:
 * tab-width: 8
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=8 fdm=marker
 * vim<600: sw=4 ts=8
 */

static int z_getAPDU (Z_APDU **ret_apdu) {
    int res;

    char *netbuffer= 0;
    int netbufferlen = 0;
    Z_APDU *apdu;
    Z_GDU *gdu;
    
    if ((res = cs_get(conn, &netbuffer, &netbufferlen)) < 0) {
	close_session();
	perror("cs_get");
	exit(1);
    }
    if (!res) {
	printf("Target closed connection.\n");
	close_session();
	exit(1);
    }
    odr_reset(in); /* release APDU from last round */
    record_last = 0;
    do_hex_dump(netbuffer, res);
    odr_setbuf(in, netbuffer, res, 0);
    
    if (!z_GDU(in, &gdu, 0, 0)) {
	
	odr_perror(in, "Decoding incoming APDU");
	fprintf(stderr, "[Near %d]\n", odr_offset(in));
	fprintf(stderr, "Packet dump:\n---------\n");
	odr_dumpBER(stderr, netbuffer, res);
	fprintf(stderr, "---------\n");
	if (apdu_file) {
	    z_GDU(print, &gdu, 0, 0);
	    odr_reset(print);
	}
	xfree(netbuffer);
	exit(1); /* was break */
    }
    xfree(netbuffer);
    if (apdu_file && !z_GDU(print, &gdu, 0, 0)) {
	
	odr_perror(print, "Failed to print incoming APDU");
	odr_reset(print);
	return -1; /* was continue */
    }
    if (gdu->which == Z_GDU_Z3950) {
        
	Z_APDU *apdu = gdu->u.z3950;
	(*ret_apdu)=apdu;
	return 0;
    }
    /* else a differnet kind of response, which we don't handle */
    return -1;
}

/* gets a generic response from the server */
int z_getnextAPDU () {
  Z_APDU *apdu;
  apdu=NULL;
  
  z_getAPDU(&apdu);

  switch(apdu->which) {
      
  case Z_APDU_initResponse:
      // kjdon copying johnmcp
      /* save session parameters for later use */
      session_mem = odr_extract_mem(in);
      session = apdu->u.initResponse;
      // greenstone will call z_get_initResponse to get the info
      // about what happened with the connection
      //process_initResponse(apdu->u.initResponse);
      break;
  case Z_APDU_searchResponse:
      process_searchResponse(apdu->u.searchResponse);
      break;
  case Z_APDU_scanResponse:
      process_scanResponse(apdu->u.scanResponse);
      break;
  case Z_APDU_presentResponse:
      print_refid (apdu->u.presentResponse->referenceId);
      setno +=
	  *apdu->u.presentResponse->numberOfRecordsReturned;
      if (apdu->u.presentResponse->records) {
	  display_records(apdu->u.presentResponse->records);
	  printf ("nextResultSetPosition = %d\n",
		  *apdu->u.presentResponse->nextResultSetPosition);
      }
      else {
	  printf("No records.\n");
      }
      break;
  case Z_APDU_sortResponse:
      process_sortResponse(apdu->u.sortResponse);
      break;
  case Z_APDU_extendedServicesResponse:
      printf("Got extended services response\n");
      process_ESResponse(apdu->u.extendedServicesResponse);
      break;
  case Z_APDU_close:
      printf("Target has closed the association.\n");
      process_close(apdu->u.close);
      break;
  case Z_APDU_resourceControlRequest:
      process_resourceControlRequest
	  (apdu->u.resourceControlRequest);
      break;
  case Z_APDU_deleteResultSetResponse:
      process_deleteResultSetResponse(apdu->u.
				      deleteResultSetResponse);
      break;
  default:
      printf("Received unknown APDU type (%d).\n", 
	     apdu->which);
      close_session ();
  }
  return 0;
 
}

/* returns number of records found */
/*int z_cmd_dosearch(char *search){

}
*/
/* returns an array of strings containing record titles. The first element
   is an int, saying how many titles follow (can be zero). NULL on error. */
/*char **z_getrecordTitles(int start,int count){

}
*/
/* returns a string containing the whole marc record */
/*char *z_getfullRecord(int record){

}
*/


/* returns number found, arg is query string */
int z_cmd_dosearch(char *arg)
{
  Z_APDU *apdu;
  int matching;
  int ret_val;
  ret_val=send_searchRequest(arg);
  if (ret_val==-1) {
    /* prefix query error */
    return (-1);
  }
  z_getAPDU(&apdu);
  /* check return value??? */
  if (apdu->which != Z_APDU_searchResponse)
    {
      printf("sendsearchRequest() was not replied with a searchResponse!\n");
      return (-2);
    }
  /* let's keep going anyway... */
  matching=process_searchResponse(apdu->u.searchResponse);
  /* this assumes we want to take action on failure (-1) here rather than
     whereever we were called from */
  return (matching);
}

/* src must be NULL-terminated */
static char *safeappendstr(char *dest, size_t *allocsize, 
			  size_t *offset, char *src) {
  /* allocsize is the amount of space currently allocated to dest,
     offset is how far into dest we want to append src */
  if (*offset + strlen(src) >= *allocsize) {
    *allocsize+=strlen(src)+64; /* add some extra space to save on reallocs */
    if ((dest=realloc(dest,*allocsize))==NULL) {
      fprintf(stderr, "malloc failed while decoding marc record.\n");
      return (NULL);
    }
  }
  strcpy(dest+(*offset), src);
  *offset+=strlen(src);
  return (dest);
}

static char *getmarcfields(Z_External *p, int titleonly) {
  /* this code is based on marc_display(), with a couple of lines taken from
     display_record() in the original client. */
  /* if titleonly is non-zero, we only get a (the?) title field, otherwise
     return the whole thing */
  const char *buf=(char *)p->u.octet_aligned->buf;
  char *title;      /* our string to return */
  int title_maxlen=0; /* amount of space currently allocated */
  int title_curlen=0;    /* amount of space actually used */
  int entry_p;
  int record_length;
  int indicator_length;
  int identifier_length;
  int base_address;
  int length_data_entry;
  int length_starting;
  int length_implementation;
  FILE *outf;

  /*  if (!outf) */
  outf = stdout;

  /* initialise our title. Start with 64 chars */
  title_maxlen=64;
  if((title=malloc(title_maxlen))==NULL) {
    /* not quite sure where stderr will be going, but.... */
    fprintf(stderr,"Malloc failed while decoding marc record\n");
    return NULL;
  }

  if (!titleonly) {
    strcpy(title,"<table border=1>\n");
    title_curlen=strlen(title);
  }
  else  title_curlen=0;

  record_length = atoi_n (buf, 5);
  if (record_length < 25)
    return (NULL); /* -1 */
  if (isdigit(buf[10]))
    indicator_length = atoi_n (buf+10, 1);
  else
    indicator_length = 2;
  if (isdigit(buf[11]))
    identifier_length = atoi_n (buf+11, 1);
  else
    identifier_length = 2;
  base_address = atoi_n (buf+12, 4);
  
  length_data_entry = atoi_n (buf+20, 1);
  length_starting = atoi_n (buf+21, 1);
  length_implementation = atoi_n (buf+22, 1);
  
  if (0) /* debug */
    {
      fprintf (outf, "Record length         %5d\n", record_length);
      fprintf (outf, "Indicator length      %5d\n", indicator_length);
      fprintf (outf, "Identifier length     %5d\n", identifier_length);
      fprintf (outf, "Base address          %5d\n", base_address);
      fprintf (outf, "Length data entry     %5d\n", length_data_entry);
      fprintf (outf, "Length starting       %5d\n", length_starting);
      fprintf (outf, "Length implementation %5d\n", length_implementation);
    }
  for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
    {
      entry_p += 3+length_data_entry+length_starting;
      if (entry_p >= record_length)
	return (NULL); /* -1 */
    }
  base_address = entry_p+1;
  for (entry_p = 24; buf[entry_p] != ISO2709_FS; )
    {
      int data_length;
      int data_offset;
      int end_offset;
      int i /*, j*/ ;
      int startofstring;
      int whichtag;
      short int abbrtitle=0;
      char tag[4];
      memcpy (tag, buf+entry_p, 3);
      entry_p += 3;
      tag[3] = '\0';
      whichtag=atoi(tag);
      if (0) /* debug */
	fprintf (outf, "Tag: ");
      /* johnmcp 
	 Relevant tags (for "main entry") - assume only one of these is set,
	 as we will only return the first one found.
	 100=personal name
	 110=corporate name
	 111=meeting name
	 130=uniform title
	 subfields: $a=personal name, $c=title/other, $d=date

	 210=Abbreviated Title
	 222=Key title
	 240=uniform title
	 243=collective uniform title
	 245=title statement
	 246=varying form of title
	 247=former title or title variations
	 subfields: $a=abbrev. title $b=qualifying info $2=source
	 .          $6=linkage $8=link field and sequence number.
      */
      /*fprintf (outf, "%s ", tag); */
      data_length = atoi_n (buf+entry_p, length_data_entry);
      entry_p += length_data_entry;
      data_offset = atoi_n (buf+entry_p, length_starting);
      entry_p += length_starting;
      i = data_offset + base_address;
      end_offset = i+data_length-1;

      if (0) /* debug */
	fprintf (outf, " Ind: ");

      /* memcmp (tag,"00",2) is true, then we DON'T have a control tag
	 ie less than 10. */
      /*if (memcmp (tag, "00", 2) && indicator_length)
	{
	for (j = 0; j<indicator_length; j++)
	fprintf (outf, "%c", buf[i++]);
	}
      */
      if (whichtag>=10) i+=indicator_length;
      /* the control fields (<10) don't have leading chars. */


      if (0) /* debug */
	fprintf (outf, " Fields: ");

      /* If we only want the title, then skip other fields */
      if (titleonly &&(whichtag<200||whichtag>249)) {
	/* skip this record */
	continue;
	i=end_offset;
      }
      
      /* either titleonly is 0, or titleonly is 1 and whichtag is between
	 200 and 249... */
      if (!titleonly) {
	/* This should probably be read in from a separate file.
	   This is also hard-coded for USMARC/MARC21 fieldnames!!! */

	/* print out what kind of tag this is */
	char *tagname;
	char *field_control1="<tr><td>Marc Control Number:</td><td>";
	char *field_control3="<tr><td>Marc Organisation Code:</td><td>";
	char *field_control5="<tr><td>Marc record Date Info.:</td><td>";
	char *field_control8="<tr><td>Control Field (Marc info):</td><td>";
	char *field_loc_nr="<tr><td>Lib. of Congress control #:</td><td>";
	char *field_issn="<tr><td>ISSN Number:</td><td>";
	char *field_catalog="<tr><td>Catalog agency:</td><td>";
	char *field_lang="<tr><td>3-letter language code(s):</td><td>";
	char *field_areacode="<tr><td>Geographic Area code:</td><td>";
	char *field_cn_loc="<tr><td>Lib. of Congress Call #:</td><td>";
	char *field_cn_dewdec="<tr><td>Dewey Decimal Call #:</td><td>";
	char *field_cn_other="<tr><td>Other Classification Info.:</td><td>";
	char *field_cn_gd="<tr><td>Govt. Document Call #:</td><td>";
	char *field_personalname="<tr><td>Personal Name:</td><td>";
	char *field_meetingname="<tr><td>Meeting Name:</td><td>";
	char *field_maintitle="<tr><td>Title:</td><td>";
	char *field_edition="<tr><td><Edition Information:</td><td>";
	char *field_publication="<tr><td>Publication Info.:</td><td>";
	char *field_physdesc="<tr><td>Physical Description:</td><td>";
	char *field_series_title="<tr><td>Series Title:</td><td>";
	char *field_series_statement="<tr><td>Series Statement:</td><td>";
	char *field_note_general="<tr><td>Note:</td><td>";
	char *field_note_bib="<tr><td>Bibliographic Note:</td><td>";
	char *field_note_summary="<tr><td>Summary Note:</td><td>";
	char *field_sub_note="<tr><td>Subject Notes:</td><td>";
	char *field_sub_topic="<tr><td>Subject - Topic:</td><td>";
	char *field_sub_geog="<tr><td>Subject - Location:</td><td>";
	char *field_added_persname="<tr><td>Author Note - Name:</td><td>";
	char *field_added_corpname="<tr><td>Author - Organisation:</td><td>";
	char *field_uniform_title="<tr><td>Extra Title Information:</td><td>";
	char *field_host_item="<tr><td>In:</td><td>";
	char *field_series_corpname="<tr><td>Series - Organisation:</td><td>";
	/*char *field_url="<tr><td>Electronic Access</td><td><a href=\"";*/
	char *field_url="<tr><td>Electronic Access</td><td>";
	/*char *field_other="<tr><td>(other field):</td><td>";*/
	char tag_num[100];
	switch (whichtag) {
	case (1): {tagname=field_control1;break;}
	case (3): {tagname=field_control3;break;}
	case (5): {tagname=field_control5;break;}
	case (8): {tagname=field_control8;break;}
	case (10): {tagname=field_loc_nr;break;}
	case (20): {tagname=field_issn;break;}
	case (40): {tagname=field_catalog;break;}
	case (41): {tagname=field_lang;break;}
	case (43): {tagname=field_areacode;break;}
	case (50): {tagname=field_cn_loc;break;}
	case (82): {tagname=field_cn_dewdec;break;}
	case (84): {tagname=field_cn_other;break;}
	case (86): {tagname=field_cn_gd;break;}
	case (100): {tagname=field_personalname;break;}
	case (111): {tagname=field_meetingname;break;}
	case (245): {tagname=field_maintitle;break;}
	case (250): {tagname=field_edition;break;}
	case (260): {tagname=field_publication;break;}
	case (300): {tagname=field_physdesc;break;}
	case (440): {tagname=field_series_title;break;}
	case (490): {tagname=field_series_statement;break;}
	case (500): {tagname=field_note_general;break;}
	case (504): {tagname=field_note_bib;break;}
	case (520): {tagname=field_note_summary;break;}
	case (630): {tagname=field_sub_note;break;}
	case (650): {tagname=field_sub_topic;break;}
	case (651): {tagname=field_sub_geog;break;}
	case (700): {tagname=field_added_persname;break;}
	case (710): {tagname=field_added_corpname;break;}
	case (730): {tagname=field_uniform_title;break;}
	case (773): {tagname=field_host_item;break;}
	case (810): {tagname=field_series_corpname;break;}
	case (856): {tagname=field_url;break;}
	default: 
	  if (whichtag>=90&&whichtag<=99)
	    tagname="<tr><td>Local Call #:</td><td>";
	  else {
	    /*tagname=field_other;*/
	    
	    /* The trailing '\0' seems to be necessary...?!? */
	    sprintf(tag_num,"<tr><td>(field %d)</td><td>\n\0",whichtag);
	    tagname=tag_num;
	  }
	}

	/* add the field type */
	title=safeappendstr(title, &title_maxlen, &title_curlen, tagname);
      }

      /* go through current field in current record */
      while (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS && i < end_offset)
	{
	  /* this loop goes through byte by byte, to find end-of-field or
	     end-of-record separator tags */

	  /*	  if (memcmp (tag, "00", 2) && identifier_length)*/
	  if ( ((titleonly==1&&whichtag==245)||(titleonly==0))
	       && identifier_length)
	    {
	      if (buf[i]==ISO2709_IDFS) {
		/*  this implies sub-fields for this field */
		/* skip sub-field tag, but wrap $a sub-field with <b> & </b> 
		   for HTML if titleonly==1 */
		if (buf[i+1]=='a' && titleonly) {
		  abbrtitle=1;
		  title=safeappendstr(title,&title_maxlen,&title_curlen,"<b>");
		}
		i+=identifier_length; 
	      }
	      /* find end of this (sub-)field */
	      startofstring=i;
	      while (buf[i] != ISO2709_RS && buf[i] != ISO2709_IDFS &&
		     buf[i] != ISO2709_FS && i < end_offset)
		i++;
		/*fprintf (outf, "%c", buf[i++]);*/

	      /* this only happens the first time around */
	      if (i==startofstring) continue;

	      /* now put from $startofstring$ until $i$ into our 
		 string to return */

	      if (title_curlen+(i-startofstring)>=title_maxlen) {
		/* we need to make more room - add max(64,needed) bytes */
		if (title_curlen+(i-startofstring)-title_maxlen>63)
		  title_maxlen+=(i-startofstring)+1;/*+1 for trailing \0 */
		else
		  title_maxlen+=64;
		if ((title=realloc(title,title_maxlen))==NULL) {
		  fprintf(stderr,"malloc failed decoding marc record\n");
		  return (NULL);
		}
	      }

	      strncpy(title+title_curlen,buf+startofstring,i-startofstring);
	      title_curlen+=(i-startofstring);
	      *(title+title_curlen)='\0';
	      /* overwrite ISO2709_?S with \0 */
	      /* *(title+title_curlen+i-startofstring)='\0';*/
	      /*safeappendstr(title,&title_maxlen,
		&title_curlen,buf+startofstring);*/

	      /* if 'main' title, close HTML </B> tag */
	      if (abbrtitle) {
		title=safeappendstr(title,&title_maxlen,&title_curlen,"</b>");
		abbrtitle=0;
	      } 
	      /* end of this marc sub--field                 
		 buf[i]==ISO2709_RS if end of  record.
		 buf[i]==ISO2709_FS if end of  field,
		 buf[i]==ISO2709_IDFS if end of sub-field. */
	      if (titleonly==0) {
		if (buf[i]==ISO2709_IDFS) {
		  /* there is a following sub-field, so only add whitespace */
		  title=safeappendstr(title,&title_maxlen,&title_curlen," ");
		}
		else {
		  /* end of record, so close HTML table row */
#if 0
		  if (whichtag==856) /* special case: this is a url! */
		    title=safeappendstr(title,&title_maxlen,&title_curlen,
					"\">Uniform Resource Locator</a>");
#endif
		  title=safeappendstr(title, &title_maxlen, &title_curlen,
				      "</td></tr>\n");
		}
	      }  /* end of  if (titleonly==0)                */
	    }    /* end of  if ( ((titleonly==1&&.......     */
	  else { /* whichtag not matched  (if titleonly)     */
	    /*fprintf (outf, "%c", buf[i++]);*/
	    /* skip this char for now - should ideally skip whole field */
	    i++;
	  }
	} /* end of while loop - at end of field or record */
      /*fprintf (outf, "\n");*/
      /*if (i < end_offset)
	fprintf (outf, "-- separator but not at end of field\n");
	if (buf[i] != ISO2709_RS && buf[i] != ISO2709_FS)
	fprintf (outf, "-- no separator at end of field\n");
      */
    }

  /* at end of whole record. */
  if (!titleonly) 
    title=safeappendstr(title, &title_maxlen, &title_curlen, "</table>\n");
  return (title);

}
static char *getrecordtitle(Z_External *record) {
  return(getmarcfields(record,1));
}

char *z_getfullRecord(int start) {
  Z_APDU *apdu;
  Z_External *record;
  char *fullrecord;

  fullrecord=NULL;
  z_send_getbriefrecords(start,1,1); /* for now, use getbriefrecords */
  z_getAPDU(&apdu);
  
  if (apdu->which != Z_APDU_presentResponse) {
    /* out-of-order packets.... */
    fprintf(stderr,"Not a present response to present request\n");
    return NULL;
  }
  
  /* just do some double checking */
  if (*apdu->u.presentResponse->numberOfRecordsReturned!=1 ||
      !apdu->u.presentResponse->records ) {
    /* something bad has happened... johnmcp */
    fprintf (stderr,"Error occured in yaz while getting record (GSDL)\n");
  }

  switch (apdu->u.presentResponse->records->which) {
  case Z_Records_DBOSD: break; /* do nothing - this is a record */

    /* otherwise we got a diagnostic message... */
  case Z_Records_NSD:
    switch (apdu->u.presentResponse->records->u.nonSurrogateDiagnostic->which){
      /* these are both represented as char* in yaz, so either is OK */
      /*    case Z_DefaultDiagForm_v2Addinfo:
	    case Z_DefaultDiagForm_v3Addinfo: --wrong names*/
    case Z_DiagnosticFormat_s_defaultDiagRec:
    case Z_DiagnosticFormat_s_explicitDiagnostic:
      return apdu->u.presentResponse->records->u.nonSurrogateDiagnostic
	->u.v2Addinfo; /* return the error message */
    default: ; /* this should happen for v3 of the spec... */
    }
  case Z_Records_multipleNSD: ; /* should handle one day... */
  }

  record=apdu->u.presentResponse->records->u.databaseOrSurDiagnostics->
    records[0]->u.databaseRecord;

  return(getmarcfields(record,0));
}

char **z_getrecordTitles(/*int resultset,*/ int starting, int howmany) {
  Z_APDU *apdu;
  char **titles;
  /* titles will be an array of strings. The first element will really
     be an int, saying how many strings follow. Ie 1st string in titles[1] */
  int count;
  int i;

  titles=NULL;

  /* WE SHOULD SET THE RECORD FORMAT SOMEWHERE..... USMARC (default)
     but may also want SUTRS support. */

  /* sends a presentRequest - we need to know the set number - johnmcp */
  z_send_getbriefrecords(starting, 1, howmany);
  /* CHECK RETURN VALUE (currently only 0) */
  

  z_getAPDU(&apdu);
  if (apdu->which != Z_APDU_presentResponse) {
    /* we got out-of-sync.... */
    fprintf(stderr,"Not a present response to present request\n");
    return NULL;
  }
  
  print_refid (apdu->u.presentResponse->referenceId);
  count=*apdu->u.presentResponse->numberOfRecordsReturned;
  setno += count;
  if (apdu->u.presentResponse->records) {
    /* extract the titles from each record, and return it as an array of 
       strings */
    if (count==1 &&
	apdu->u.presentResponse->records->which!=Z_Records_DBOSD) {
	fprintf(stderr,"only one returned");
      /* apdu->u.presentResponse->records->which gives a type:
	 1=databaseOrSurDiagnostics | 2=nonSurrogateDiagnostic | 
	 3=multipleNonSurDiagnostics.
	 Type 1 implies it is a database record. FROM z-core.h,
      NOT prt-proto.h!!!!! */

      /* for type 2:
	 apdu->u.presentResponse->records->u.nonSurrogateDiagnostic->which:
	 1=v2Addinfo | 2=v3Addinfo, and u.v[23]Addinfo is a (char *).

      */
      titles=malloc(sizeof(char *));
      titles[0]=(char *)0;
      /* could put error message and titles[1], and set titles[0] to -1. */


    }
    else /* more than 1 rec returned, so ?has? to be db records (dblcheck!!)*/
      {
	  fprintf(stderr,"more than one rec returned, count=%d\n", count);
	titles=malloc(sizeof(char *)*count + 1);
	/* check malloc succeeded... */
	titles[0]=(char *)count;
	for (i=1;i<=count;i++) {
	  titles[i]=getrecordtitle(apdu->u.presentResponse->records->
				   u.databaseOrSurDiagnostics->records[i-1]->
				   u.databaseRecord);
	}
      } 
  }
  else {
      fprintf(stderr,"no records retruend");
    titles=malloc(sizeof(char *));
    titles[0]=(char *)0;
  }
  /*  printf ("nextResultSetPosition = %d\n",
   *apdu->u.presentResponse->nextResultSetPosition); */
  return (titles);
}