source: branches/corba/gsdl/src/colservr/collectset.cpp@ 1736

/**********************************************************************
 *
 * collectset.cpp -- 
 * Copyright (C) 1999  The New Zealand Digital Library Project
 *
 * A component of the Greenstone digital library software
 * from the New Zealand Digital Library Project at the
 * University of Waikato, New Zealand.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: collectset.cpp 1736 2000-12-04 00:50:18Z davidb $
 *
 *********************************************************************/


#include "collectserver.h"
#include "filter.h"
#include "browsefilter.h"
#include "queryfilter.h"
#include "infodbclass.h"
#include "mgsearch.h"
#include "mggdbmsource.h"
#include "fileutil.h"
#include <assert.h>

#include "colservrconfig.h"
#include "recptconfig.h"

#include "collectset.h"

collectset::collectset (text_t &gsdlhome) {

  text_tarray collections;

  // get gsdlhome (if we fail the error will be picked up later -- in
  // cgiwrapper)
  if (site_cfg_read (gsdlhome,httpdomain,httpprefix)) {
    text_t collectdir = filename_cat (gsdlhome, "collect");
    if (!read_dir (collectdir, collections)) {
      cerr << "couldn't read collect directory - make sure gsdlhome field is correct in gsdlsite.cfg\n";
      exit (1);
    }
  }

  text_tarray::const_iterator thiscol = collections.begin();
  text_tarray::const_iterator endcol = collections.end();

  while (thiscol != endcol) {

    // ignore the modelcol
    if (*thiscol == "modelcol") {
      thiscol ++;
      continue;
    }

    // this memory is created but never destroyed
    // we're also not doing any error checking to make sure we didn't
    // run out of memory
    collectserver *cserver = new collectserver();
    gdbmclass *gdbmhandler = new gdbmclass();
    mgsearchclass *mgsearch = new mgsearchclass();
    
    // add a null filter
    filterclass *filter = new filterclass ();
    cserver->add_filter (filter);
    
    // add a browse filter
    browsefilterclass *browsefilter = new browsefilterclass();
    browsefilter->set_gdbmptr (gdbmhandler);
    cserver->add_filter (browsefilter);
    
    // add a query filter
    queryfilterclass *queryfilter = new queryfilterclass();
    queryfilter->set_gdbmptr (gdbmhandler);
    queryfilter->set_mgsearchptr (mgsearch);
    cserver->add_filter (queryfilter);

    // add a mg and gdbm source
    mggdbmsourceclass *mggdbmsource = new mggdbmsourceclass ();
    mggdbmsource->set_gdbmptr (gdbmhandler);
    mggdbmsource->set_mgsearchptr (mgsearch);
    cserver->add_source (mggdbmsource);

    // inform collection server and everything it contains about its
    // collection name
    cserver->configure ("collection", *thiscol);
    // AZIZ: added on 10/10/00
    //       the cserver object does not have a reference to gsdlhome
    cserver->configure ("gsdlhome", gsdlhome);
    
    // GRB: removed    proto.add_collectserver (cserver);
    // GRB: added to build our own cservers list
    cservers.addcollectserver (cserver);

    thiscol ++;
  }
}

collectset::~collectset () {
}

bool collectset::init (ostream &logout) {
  collectservermapclass::iterator here = cservers.begin();
  collectservermapclass::iterator end = cservers.end();

  while (here != end) {
    assert ((*here).second.c != NULL);
    if ((*here).second.c != NULL) {
      const colservrconf &configinfo = (*here).second.c->get_configinfo ();

      // configure this collection server

      // note that we read build.cfg before collect.cfg so that the indexmaps
      // are available to decode defaultindex, defaultsubcollection, and
      // defaultlanguage

      if (!build_cfg_read (*((*here).second.c), configinfo.gsdlhome,
               configinfo.collection)) {
    outconvertclass text_t2ascii;
    logout << text_t2ascii 
           << "Warning: couldn't read build.cfg file for collection \""
           << configinfo.collection << "\", gsdlhome=\""
           << configinfo.gsdlhome << "\"\n";
    here ++;
    continue;
      }

      if (!collect_cfg_read (*((*here).second.c), configinfo.gsdlhome,
                 configinfo.collection)) {
    outconvertclass text_t2ascii;
    logout << text_t2ascii 
           << "Warning: couldn't read collect.cfg file for collection \""
           << configinfo.collection << "\", gsdlhome=\"" 
           << configinfo.gsdlhome << "\"\n";
    here ++;
    continue;
      }

      if (!(*here).second.c->init (logout)) return false;

      (*here).second.c->configure("httpdomain",httpdomain);
      (*here).second.c->configure("httpprefix",httpprefix);
    }
    here++;
  }

  return true;
}

collectservermapclass collectset::servers()
{ return cservers;
}

void collectset::configure(const text_t &key, const text_tarray &cfgline)
{
  if (key == "collection" || key == "collectdir") return;

  collectservermapclass::iterator here = cservers.begin();
  collectservermapclass::iterator end = cservers.end();

  while (here != end) {
    assert ((*here).second.c != NULL);
    if ((*here).second.c != NULL) {
      if (key == "collectinfo") {
    if ((*here).first == cfgline[0]) {
      (*here).second.c->configure ("gsdlhome", cfgline[1]);
      (*here).second.c->configure ("gdbmhome", cfgline[2]);
    }
      } else {
    // cout << "*** Passing on key = " << key << " = " << cfgline[0] << endl; // ****
    (*here).second.c->configure (key, cfgline);
      }
    }

    here++;
  }
}

void collectset::getCollectionList (text_tarray &collist) 
{
  collist.erase(collist.begin(),collist.end());

  collectservermapclass::iterator here = cservers.begin();
  collectservermapclass::iterator end = cservers.end();
  while (here != end) {
    assert ((*here).second.c != NULL);
    if ((*here).second.c != NULL) {
      collist.push_back ((*here).second.c->get_collection_name());
    }
    here++;
  }
}