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ztest.c

/*
 * Copyright (c) 1995-2004, Index Data.
 * See the file LICENSE for details.
 *
 * $Id: ztest.c,v 1.68 2004/12/30 00:18:04 adam Exp $
 */

/*
 * Demonstration of simple server
 */

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#include <yaz/yaz-util.h>
#include <yaz/backend.h>
#include <yaz/ill.h>

static int log_level=0;
static int log_level_set=0;

Z_GenericRecord *dummy_grs_record (int num, ODR o);
char *dummy_marc_record (int num, ODR odr);
char *dummy_xml_record (int num, ODR odr);

int ztest_search (void *handle, bend_search_rr *rr);
int ztest_sort (void *handle, bend_sort_rr *rr);
int ztest_present (void *handle, bend_present_rr *rr);
int ztest_esrequest (void *handle, bend_esrequest_rr *rr);
int ztest_delete (void *handle, bend_delete_rr *rr);

int ztest_search (void *handle, bend_search_rr *rr)
{
    if (rr->num_bases != 1)
    {
        rr->errcode = 23;
        return 0;
    }
#if NMEM_DEBUG
    /* if database is stop, stop this process.. For debugging only. */
    if (!yaz_matchstr (rr->basenames[0], "stop"))
    {
      nmem_print_list_l(YLOG_LOG);
        exit(0);
    }
#endif
    /* Throw Database unavailable if other than Default */
    if (yaz_matchstr (rr->basenames[0], "Default"))
    {
        rr->errcode = 109;
        rr->errstring = rr->basenames[0];
        return 0;
    }
    rr->hits = rand() % 24;
    return 0;
}


/* this huge function handles extended services */
int ztest_esrequest (void *handle, bend_esrequest_rr *rr)
{
    /* user-defined handle - created in bend_init */
    int *counter = (int*) handle;  

    yaz_log(log_level, "ESRequest no %d", *counter);

    (*counter)++;

    if (rr->esr->packageName)
      yaz_log(log_level, "packagename: %s", rr->esr->packageName);
    yaz_log(log_level, "Waitaction: %d", *rr->esr->waitAction);


    yaz_log(log_level, "function: %d", *rr->esr->function);

    if (!rr->esr->taskSpecificParameters)
    {
        yaz_log (log_level, "No task specific parameters");
    }
    else if (rr->esr->taskSpecificParameters->which == Z_External_itemOrder)
    {
      Z_ItemOrder *it = rr->esr->taskSpecificParameters->u.itemOrder;
      yaz_log (log_level, "Received ItemOrder");
        if (it->which == Z_IOItemOrder_esRequest)
      {
          Z_IORequest *ir = it->u.esRequest;
          Z_IOOriginPartToKeep *k = ir->toKeep;
          Z_IOOriginPartNotToKeep *n = ir->notToKeep;
          
          if (k && k->contact)
          {
              if (k->contact->name)
                yaz_log(log_level, "contact name %s", k->contact->name);
            if (k->contact->phone)
                yaz_log(log_level, "contact phone %s", k->contact->phone);
            if (k->contact->email)
                yaz_log(log_level, "contact email %s", k->contact->email);
          }
          if (k->addlBilling)
          {
              yaz_log(log_level, "Billing info (not shown)");
          }
          
          if (n->resultSetItem)
          {
              yaz_log(log_level, "resultsetItem");
            yaz_log(log_level, "setId: %s", n->resultSetItem->resultSetId);
            yaz_log(log_level, "item: %d", *n->resultSetItem->item);
          }
          if (n->itemRequest)
          {
            Z_External *r = (Z_External*) n->itemRequest;
            ILL_ItemRequest *item_req = 0;
            ILL_APDU *ill_apdu = 0;
            if (r->direct_reference)
            {
                oident *ent = oid_getentbyoid(r->direct_reference);
                if (ent)
                  yaz_log(log_level, "OID %s", ent->desc);
                    if (ent && ent->value == VAL_TEXT_XML)
                    {
                  yaz_log (log_level, "ILL XML request");
                        if (r->which == Z_External_octet)
                            yaz_log (log_level, "%.*s", r->u.octet_aligned->len,
                                     r->u.octet_aligned->buf); 
                    }
                if (ent && ent->value == VAL_ISO_ILL_1)
                {
                  yaz_log (log_level, "Decode ItemRequest begin");
                  if (r->which == ODR_EXTERNAL_single)
                  {
                      odr_setbuf(rr->decode,
                               (char *) r->u.single_ASN1_type->buf,
                               r->u.single_ASN1_type->len, 0);
                      
                      if (!ill_ItemRequest (rr->decode, &item_req, 0, 0))
                      {
                        yaz_log (log_level,
                                    "Couldn't decode ItemRequest %s near %d",
                                       odr_errmsg(odr_geterror(rr->decode)),
                                       odr_offset(rr->decode));
                            }
                      else
                          yaz_log(log_level, "Decode ItemRequest OK");
                      if (rr->print)
                      {
                        ill_ItemRequest (rr->print, &item_req, 0,
                                    "ItemRequest");
                        odr_reset (rr->print);
                      }
                  }
                  if (!item_req && r->which == ODR_EXTERNAL_single)
                  {
                      yaz_log (log_level, "Decode ILL APDU begin");
                      odr_setbuf(rr->decode,
                               (char*) r->u.single_ASN1_type->buf,
                               r->u.single_ASN1_type->len, 0);
                      
                      if (!ill_APDU (rr->decode, &ill_apdu, 0, 0))
                      {
                        yaz_log (log_level,
                                    "Couldn't decode ILL APDU %s near %d",
                                       odr_errmsg(odr_geterror(rr->decode)),
                                       odr_offset(rr->decode));
                                yaz_log(log_level, "PDU dump:");
                                odr_dumpBER(yaz_log_file(),
                                     (char *) r->u.single_ASN1_type->buf,
                                     r->u.single_ASN1_type->len);
                            }
                      else
                          yaz_log(log_level, "Decode ILL APDU OK");
                      if (rr->print)
                            {
                        ill_APDU (rr->print, &ill_apdu, 0,
                                    "ILL APDU");
                        odr_reset (rr->print);
                      }
                  }
                }
            }
            if (item_req)
            {
                yaz_log (log_level, "ILL protocol version = %d",
                       *item_req->protocol_version_num);
            }
          }
            if (k)
            {

            Z_External *ext = (Z_External *)
                    odr_malloc (rr->stream, sizeof(*ext));
            Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
                    odr_malloc (rr->stream, sizeof(*keep));
            Z_IOTargetPart *targetPart = (Z_IOTargetPart *)
                odr_malloc (rr->stream, sizeof(*targetPart));

            rr->taskPackage = (Z_TaskPackage *)
                    odr_malloc (rr->stream, sizeof(*rr->taskPackage));
            rr->taskPackage->packageType =
                odr_oiddup (rr->stream, rr->esr->packageType);
            rr->taskPackage->packageName = 0;
            rr->taskPackage->userId = 0;
            rr->taskPackage->retentionTime = 0;
            rr->taskPackage->permissions = 0;
            rr->taskPackage->description = 0;
            rr->taskPackage->targetReference = (Odr_oct *)
                odr_malloc (rr->stream, sizeof(Odr_oct));
            rr->taskPackage->targetReference->buf =
                (unsigned char *) odr_strdup (rr->stream, "911");
            rr->taskPackage->targetReference->len =
                rr->taskPackage->targetReference->size =
                strlen((char *) (rr->taskPackage->targetReference->buf));
            rr->taskPackage->creationDateTime = 0;
            rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
            rr->taskPackage->packageDiagnostics = 0;
            rr->taskPackage->taskSpecificParameters = ext;

            ext->direct_reference =
                odr_oiddup (rr->stream, rr->esr->packageType);
            ext->indirect_reference = 0;
            ext->descriptor = 0;
            ext->which = Z_External_itemOrder;
            ext->u.itemOrder = (Z_ItemOrder *)
                odr_malloc (rr->stream, sizeof(*ext->u.update));
            ext->u.itemOrder->which = Z_IOItemOrder_taskPackage;
            ext->u.itemOrder->u.taskPackage =  (Z_IOTaskPackage *)
                odr_malloc (rr->stream, sizeof(Z_IOTaskPackage));
            ext->u.itemOrder->u.taskPackage->originPart = k;
            ext->u.itemOrder->u.taskPackage->targetPart = targetPart;

                targetPart->itemRequest = 0;
                targetPart->statusOrErrorReport = 0;
                targetPart->auxiliaryStatus = 0;
            }
      }
    }
    else if (rr->esr->taskSpecificParameters->which == Z_External_update)
    {
      Z_IUUpdate *up = rr->esr->taskSpecificParameters->u.update;
      yaz_log (log_level, "Received DB Update");
      if (up->which == Z_IUUpdate_esRequest)
      {
          Z_IUUpdateEsRequest *esRequest = up->u.esRequest;
          Z_IUOriginPartToKeep *toKeep = esRequest->toKeep;
          Z_IUSuppliedRecords *notToKeep = esRequest->notToKeep;
          
          yaz_log (log_level, "action");
          if (toKeep->action)
          {
            switch (*toKeep->action)
            {
            case Z_IUOriginPartToKeep_recordInsert:
                yaz_log (log_level, " recordInsert");
                break;
            case Z_IUOriginPartToKeep_recordReplace:
                yaz_log (log_level, " recordReplace");
                break;
            case Z_IUOriginPartToKeep_recordDelete:
                yaz_log (log_level, " recordDelete");
                break;
            case Z_IUOriginPartToKeep_elementUpdate:
                yaz_log (log_level, " elementUpdate");
                break;
            case Z_IUOriginPartToKeep_specialUpdate:
                yaz_log (log_level, " specialUpdate");
                break;
            default:
                yaz_log (log_level, " unknown (%d)", *toKeep->action);
            }
          }
          if (toKeep->databaseName)
          {
            yaz_log (log_level, "database: %s", toKeep->databaseName);
            if (!strcmp(toKeep->databaseName, "fault"))
            {
                rr->errcode = 109;
                rr->errstring = toKeep->databaseName;
            }
            if (!strcmp(toKeep->databaseName, "accept"))
                rr->errcode = -1;
          }
          if (toKeep)
          {
            Z_External *ext = (Z_External *)
                    odr_malloc (rr->stream, sizeof(*ext));
            Z_IUOriginPartToKeep *keep = (Z_IUOriginPartToKeep *)
                    odr_malloc (rr->stream, sizeof(*keep));
            Z_IUTargetPart *targetPart = (Z_IUTargetPart *)
                odr_malloc (rr->stream, sizeof(*targetPart));

            rr->taskPackage = (Z_TaskPackage *)
                    odr_malloc (rr->stream, sizeof(*rr->taskPackage));
            rr->taskPackage->packageType =
                odr_oiddup (rr->stream, rr->esr->packageType);
            rr->taskPackage->packageName = 0;
            rr->taskPackage->userId = 0;
            rr->taskPackage->retentionTime = 0;
            rr->taskPackage->permissions = 0;
            rr->taskPackage->description = 0;
            rr->taskPackage->targetReference = (Odr_oct *)
                odr_malloc (rr->stream, sizeof(Odr_oct));
            rr->taskPackage->targetReference->buf =
                (unsigned char *) odr_strdup (rr->stream, "123");
            rr->taskPackage->targetReference->len =
                rr->taskPackage->targetReference->size =
                strlen((char *) (rr->taskPackage->targetReference->buf));
            rr->taskPackage->creationDateTime = 0;
            rr->taskPackage->taskStatus = odr_intdup(rr->stream, 0);
            rr->taskPackage->packageDiagnostics = 0;
            rr->taskPackage->taskSpecificParameters = ext;

            ext->direct_reference =
                odr_oiddup (rr->stream, rr->esr->packageType);
            ext->indirect_reference = 0;
            ext->descriptor = 0;
            ext->which = Z_External_update;
            ext->u.update = (Z_IUUpdate *)
                odr_malloc (rr->stream, sizeof(*ext->u.update));
            ext->u.update->which = Z_IUUpdate_taskPackage;
            ext->u.update->u.taskPackage =  (Z_IUUpdateTaskPackage *)
                odr_malloc (rr->stream, sizeof(Z_IUUpdateTaskPackage));
            ext->u.update->u.taskPackage->originPart = keep;
            ext->u.update->u.taskPackage->targetPart = targetPart;

            keep->action = (int *) odr_malloc (rr->stream, sizeof(int));
            *keep->action = *toKeep->action;
            keep->databaseName =
                odr_strdup (rr->stream, toKeep->databaseName);
            keep->schema = 0;
            keep->elementSetName = 0;
            keep->actionQualifier = 0;

            targetPart->updateStatus = odr_intdup (rr->stream, 1);
            targetPart->num_globalDiagnostics = 0;
            targetPart->globalDiagnostics = (Z_DiagRec **) odr_nullval();
            targetPart->num_taskPackageRecords = 1;
            targetPart->taskPackageRecords = 
                    (Z_IUTaskPackageRecordStructure **)
                    odr_malloc (rr->stream,
                                sizeof(Z_IUTaskPackageRecordStructure *));
            targetPart->taskPackageRecords[0] =
                    (Z_IUTaskPackageRecordStructure *)
                    odr_malloc (rr->stream,
                                sizeof(Z_IUTaskPackageRecordStructure));
                
            targetPart->taskPackageRecords[0]->which =
                    Z_IUTaskPackageRecordStructure_record;
            targetPart->taskPackageRecords[0]->u.record = 
                    z_ext_record (rr->stream, VAL_SUTRS, "test", 4);
            targetPart->taskPackageRecords[0]->correlationInfo = 0; 
            targetPart->taskPackageRecords[0]->recordStatus =
                    odr_intdup (rr->stream,
                                Z_IUTaskPackageRecordStructure_success);  
            targetPart->taskPackageRecords[0]->num_supplementalDiagnostics
                    = 0;

            targetPart->taskPackageRecords[0]->supplementalDiagnostics = 0;
            }
          if (notToKeep)
          {
            int i;
            for (i = 0; i < notToKeep->num; i++)
            {
                Z_External *rec = notToKeep->elements[i]->record;

                if (rec->direct_reference)
                {
                  struct oident *oident;
                  oident = oid_getentbyoid(rec->direct_reference);
                  if (oident)
                      yaz_log (log_level, "record %d type %s", i,
                             oident->desc);
                }
                switch (rec->which)
                {
                case Z_External_sutrs:
                  if (rec->u.octet_aligned->len > 170)
                      yaz_log (log_level, "%d bytes:\n%.168s ...",
                             rec->u.sutrs->len,
                             rec->u.sutrs->buf);
                  else
                      yaz_log (log_level, "%d bytes:\n%s",
                             rec->u.sutrs->len,
                             rec->u.sutrs->buf);
                        break;
                case Z_External_octet        :
                  if (rec->u.octet_aligned->len > 170)
                      yaz_log (log_level, "%d bytes:\n%.168s ...",
                             rec->u.octet_aligned->len,
                             rec->u.octet_aligned->buf);
                  else
                      yaz_log (log_level, "%d bytes\n%s",
                             rec->u.octet_aligned->len,
                             rec->u.octet_aligned->buf);
                }
            }
          }
      }
    }
    else if (rr->esr->taskSpecificParameters->which == Z_External_update0)
    {
      yaz_log(log_level, "Received DB Update (version 0)");
    }
    else
    {
        yaz_log (YLOG_WARN, "Unknown Extended Service(%d)",
             rr->esr->taskSpecificParameters->which);
      
    }
    return 0;
}

/* result set delete */
int ztest_delete (void *handle, bend_delete_rr *rr)
{
    if (rr->num_setnames == 1 && !strcmp (rr->setnames[0], "1"))
      rr->delete_status = Z_DeleteStatus_success;
    else
        rr->delete_status = Z_DeleteStatus_resultSetDidNotExist;
    return 0;
}

/* Our sort handler really doesn't sort... */
int ztest_sort (void *handle, bend_sort_rr *rr)
{
    rr->errcode = 0;
    rr->sort_status = Z_SortResponse_success;
    return 0;
}


/* present request handler */
int ztest_present (void *handle, bend_present_rr *rr)
{
    return 0;
}

/* retrieval of a single record (present, and piggy back search) */
int ztest_fetch(void *handle, bend_fetch_rr *r)
{
    char *cp;

    r->last_in_set = 0;
    r->basename = "Default";
    r->output_format = r->request_format;  
    if (r->request_format == VAL_SUTRS)
    {
        /* this section returns a small record */
      char buf[100];
        
      sprintf(buf, "This is dummy SUTRS record number %d\n", r->number);

      r->len = strlen(buf);
      r->record = (char *) odr_malloc (r->stream, r->len+1);
      strcpy(r->record, buf);
    }
    else if (r->request_format == VAL_GRS1)
    {
      r->len = -1;
      r->record = (char*) dummy_grs_record(r->number, r->stream);
      if (!r->record)
      {
          r->errcode = 13;
          return 0;
      }
    }
    else if (r->request_format == VAL_POSTSCRIPT)
    {
        char fname[20];
        FILE *f;
        long size;

        sprintf (fname, "part.%d.ps", r->number);
        f = fopen(fname, "rb");
        if (!f)
      {
            r->errcode = 13;
            return 0;
        }
        fseek (f, 0L, SEEK_END);
        size = ftell (f);
        if (size <= 0 || size >= 5000000)
        {
            r->errcode = 14;
            return 0;
        }
        fseek (f, 0L, SEEK_SET);
        r->record = (char*) odr_malloc (r->stream, size);
        r->len = size;
        r->output_format = VAL_POSTSCRIPT;
        fread (r->record, size, 1, f);
        fclose (f);
    }
    else if (r->request_format == VAL_TEXT_XML)
    {
      if ((cp = dummy_xml_record (r->number, r->stream)))
      {
          r->len = strlen(cp);
          r->record = cp;
          r->output_format = VAL_TEXT_XML;
      }
      else 
      {
          r->errcode = 14;
          r->surrogate_flag = 1;
          return 0;
      }
    }
    else if ((cp = dummy_marc_record(r->number, r->stream)))
    {
      r->len = strlen(cp);
      r->record = cp;
      r->output_format = VAL_USMARC;
    }
    else
    {
      r->errcode = 13;
      return 0;
    }
    r->errcode = 0;
    return 0;
}

/*
 * silly dummy-scan what reads words from a file.
 */
int ztest_scan(void *handle, bend_scan_rr *q)
{
    static FILE *f = 0;
    static struct scan_entry list[200];
    static char entries[200][80];
    int hits[200];
    char term[80], *p;
    int i, pos;
    int term_position_req = q->term_position;
    int num_entries_req = q->num_entries;

    q->errcode = 0;
    q->errstring = 0;
    q->entries = list;
    q->status = BEND_SCAN_SUCCESS;
    if (!f && !(f = fopen("dummy-words", "r")))
    {
      perror("dummy-words");
      exit(1);
    }
    if (q->term->term->which != Z_Term_general)
    {
      q->errcode = 229; /* unsupported term type */
      return 0;
    }
    if (*q->step_size != 0)
    {
      q->errcode = 205; /*Only zero step size supported for Scan */
      return 0;
    }
    if (q->term->term->u.general->len >= 80)
    {
      q->errcode = 11; /* term too long */
      return 0;
    }
    if (q->num_entries > 200)
    {
      q->errcode = 31;
      return 0;
    }
    memcpy(term, q->term->term->u.general->buf, q->term->term->u.general->len);
    term[q->term->term->u.general->len] = '\0';
    for (p = term; *p; p++)
      if (islower(*(unsigned char *) p))
          *p = toupper(*p);

    fseek(f, 0, SEEK_SET);
    q->num_entries = 0;

    for (i = 0, pos = 0; fscanf(f, " %79[^:]:%d", entries[pos], &hits[pos]) == 2;
      i++, pos < 199 ? pos++ : (pos = 0))
    {
      if (!q->num_entries && strcmp(entries[pos], term) >= 0) /* s-point fnd */
      {
          if ((q->term_position = term_position_req) > i + 1)
          {
            q->term_position = i + 1;
            q->status = BEND_SCAN_PARTIAL;
          }
          for (; q->num_entries < q->term_position; q->num_entries++)
          {
            int po;

            po = pos - q->term_position + q->num_entries+1; /* find pos */
            if (po < 0)
                po += 200;

            if (!strcmp (term, "SD") && q->num_entries == 2)
            {
                list[q->num_entries].term = entries[pos];
                list[q->num_entries].occurrences = -1;
                list[q->num_entries].errcode = 233;
                list[q->num_entries].errstring = "SD for Scan Term";
            }
            else
            {
                list[q->num_entries].term = entries[po];
                list[q->num_entries].occurrences = hits[po];
            }
          }
      }
      else if (q->num_entries)
      {
          list[q->num_entries].term = entries[pos];
          list[q->num_entries].occurrences = hits[pos];
          q->num_entries++;
      }
      if (q->num_entries >= num_entries_req)
          break;
    }
    if (feof(f))
      q->status = BEND_SCAN_PARTIAL;
    return 0;
}

static int ztest_explain(void *handle, bend_explain_rr *rr)
{
    if (rr->database && !strcmp(rr->database, "Default"))
    {
      rr->explain_buf = "<explain>\n"
          "\t<serverInfo>\n"
          "\t\t<host>localhost</host>\n"
          "\t\t<port>210</port>\n"
          "\t</serverInfo>\n"
          "</explain>\n";
    }
    return 0;
}

bend_initresult *bend_init(bend_initrequest *q)
{
    bend_initresult *r = (bend_initresult *)
        odr_malloc (q->stream, sizeof(*r));
    int *counter = (int *) xmalloc (sizeof(int));

    if (!log_level_set)
    {
        log_level=yaz_log_module_level("ztest");
        log_level_set=1;
    }

    *counter = 0;
    r->errcode = 0;
    r->errstring = 0;
    r->handle = counter;         /* user handle, in this case a simple int */
    q->bend_sort = ztest_sort;              /* register sort handler */
    q->bend_search = ztest_search;          /* register search handler */
    q->bend_present = ztest_present;        /* register present handle */
    q->bend_esrequest = ztest_esrequest;
    q->bend_delete = ztest_delete;
    q->bend_fetch = ztest_fetch;
    q->bend_scan = ztest_scan;
    q->bend_explain = ztest_explain;

    return r;
}

void bend_close(void *handle)
{
    xfree (handle);              /* release our user-defined handle */
    return;
}

int main(int argc, char **argv)
{
    return statserv_main(argc, argv, bend_init, bend_close);
}

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