src/pazpar2_config.c

   1 /* This file is part of Pazpar2.
   2    Copyright (C) 2006-2009 Index Data
   3
   4 Pazpar2 is free software; you can redistribute it and/or modify it under
   5 the terms of the GNU General Public License as published by the Free
   6 Software Foundation; either version 2, or (at your option) any later
   7 version.
   8
   9 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
  10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17
  18 */
  19
  20 #if HAVE_CONFIG_H
  21 #include <config.h>
  22 #endif
  23
  24 #include <string.h>
  25
  26 #include <libxml/parser.h>
  27 #include <libxml/tree.h>
  28 #include <libxslt/xslt.h>
  29 #include <libxslt/transform.h>
  30 #include <libxslt/xsltutils.h>
  31
  32 #include <yaz/yaz-util.h>
  33 #include <yaz/nmem.h>
  34 #include <yaz/snprintf.h>
  35 #include <yaz/tpath.h>
  36
  37 #include "pazpar2_config.h"
  38 #include "settings.h"
  39 #include "eventl.h"
  40 #include "http.h"
  41
  42 struct conf_config
  43 {
  44     NMEM nmem; /* for conf_config and servers memory */
  45     struct conf_server *servers;
  46     WRBUF confdir;
  47 };
  48
  49
  50 static char *parse_settings(struct conf_config *config,
  51                             NMEM nmem, xmlNode *node);
  52
  53 static struct conf_targetprofiles *parse_targetprofiles(NMEM nmem,
  54                                                         xmlNode *node);
  55
  56 static
  57 struct conf_metadata * conf_metadata_assign(NMEM nmem,
  58                                             struct conf_metadata * metadata,
  59                                             const char *name,
  60                                             enum conf_metadata_type type,
  61                                             enum conf_metadata_merge merge,
  62                                             enum conf_setting_type setting,
  63                                             int brief,
  64                                             int termlist,
  65                                             int rank,
  66                                             int sortkey_offset,
  67                                             enum conf_metadata_mergekey mt)
  68 {
  69     if (!nmem || !metadata || !name)
  70         return 0;
  71
  72     metadata->name = nmem_strdup(nmem, name);
  73
  74     metadata->type = type;
  75
  76     // enforcing that type_year is always range_merge
  77     if (metadata->type == Metadata_type_year)
  78         metadata->merge = Metadata_merge_range;
  79     else
  80         metadata->merge = merge;
  81
  82     metadata->setting = setting;
  83     metadata->brief = brief;
  84     metadata->termlist = termlist;
  85     metadata->rank = rank;
  86     metadata->sortkey_offset = sortkey_offset;
  87     metadata->mergekey = mt;
  88     return metadata;
  89 }
  90
  91
  92 static
  93 struct conf_sortkey * conf_sortkey_assign(NMEM nmem,
  94                                           struct conf_sortkey * sortkey,
  95                                           const char *name,
  96                                           enum conf_sortkey_type type)
  97 {
  98     if (!nmem || !sortkey || !name)
  99         return 0;
 100
 101     sortkey->name = nmem_strdup(nmem, name);
 102     sortkey->type = type;
 103
 104     return sortkey;
 105 }
 106
 107
 108 struct conf_service * conf_service_create(struct conf_config *config,
 109                                           int num_metadata, int num_sortkeys,
 110                                           const char *service_id)
 111 {
 112     struct conf_service * service = 0;
 113     NMEM nmem = nmem_create();
 114
 115     //assert(nmem);
 116
 117     service = nmem_malloc(nmem, sizeof(struct conf_service));
 118     service->nmem = nmem;
 119     service->next = 0;
 120     service->settings = 0;
 121     service->databases = 0;
 122     service->targetprofiles = 0;
 123     service->config = config;
 124
 125     service->id = service_id ? nmem_strdup(nmem, service_id) : 0;
 126     service->num_metadata = num_metadata;
 127     service->metadata = 0;
 128     if (service->num_metadata)
 129       service->metadata
 130           = nmem_malloc(nmem,
 131                         sizeof(struct conf_metadata) * service->num_metadata);
 132     service->num_sortkeys = num_sortkeys;
 133     service->sortkeys = 0;
 134     if (service->num_sortkeys)
 135         service->sortkeys
 136             = nmem_malloc(nmem,
 137                           sizeof(struct conf_sortkey) * service->num_sortkeys);
 138     service->dictionary = 0;
 139     return service;
 140 }
 141
 142 struct conf_metadata* conf_service_add_metadata(struct conf_service *service,
 143                                                 int field_id,
 144                                                 const char *name,
 145                                                 enum conf_metadata_type type,
 146                                                 enum conf_metadata_merge merge,
 147                                                 enum conf_setting_type setting,
 148                                                 int brief,
 149                                                 int termlist,
 150                                                 int rank,
 151                                                 int sortkey_offset,
 152                                                 enum conf_metadata_mergekey mt)
 153 {
 154     struct conf_metadata * md = 0;
 155
 156     if (!service || !service->metadata || !service->num_metadata
 157         || field_id < 0  || !(field_id < service->num_metadata))
 158         return 0;
 159
 160     //md = &((service->metadata)[field_id]);
 161     md = service->metadata + field_id;
 162     md = conf_metadata_assign(service->nmem, md, name, type, merge, setting,
 163                               brief, termlist, rank, sortkey_offset,
 164                               mt);
 165     return md;
 166 }
 167
 168
 169 struct conf_sortkey * conf_service_add_sortkey(struct conf_service *service,
 170                                                int field_id,
 171                                                const char *name,
 172                                                enum conf_sortkey_type type)
 173 {
 174     struct conf_sortkey * sk = 0;
 175
 176     if (!service || !service->sortkeys || !service->num_sortkeys
 177         || field_id < 0  || !(field_id < service->num_sortkeys))
 178         return 0;
 179
 180     //sk = &((service->sortkeys)[field_id]);
 181     sk = service->sortkeys + field_id;
 182     sk = conf_sortkey_assign(service->nmem, sk, name, type);
 183
 184     return sk;
 185 }
 186
 187
 188 int conf_service_metadata_field_id(struct conf_service *service,
 189                                    const char * name)
 190 {
 191     int i = 0;
 192
 193     if (!service || !service->metadata || !service->num_metadata)
 194         return -1;
 195
 196     for(i = 0; i < service->num_metadata; i++) {
 197         if (!strcmp(name, (service->metadata[i]).name))
 198             return i;
 199     }
 200
 201     return -1;
 202 }
 203
 204
 205 int conf_service_sortkey_field_id(struct conf_service *service,
 206                                   const char * name)
 207 {
 208     int i = 0;
 209
 210     if (!service || !service->sortkeys || !service->num_sortkeys)
 211         return -1;
 212
 213     for(i = 0; i < service->num_sortkeys; i++) {
 214         if (!strcmp(name, (service->sortkeys[i]).name))
 215             return i;
 216     }
 217
 218     return -1;
 219 }
 220
 221
 222
 223 /* Code to parse configuration file */
 224 /* ==================================================== */
 225
 226 static struct conf_service *parse_service(struct conf_config *config,
 227                                           xmlNode *node, const char *service_id)
 228 {
 229     xmlNode *n;
 230     int md_node = 0;
 231     int sk_node = 0;
 232
 233     struct conf_service *service = 0;
 234     int num_metadata = 0;
 235     int num_sortkeys = 0;
 236
 237     // count num_metadata and num_sortkeys
 238     for (n = node->children; n; n = n->next)
 239         if (n->type == XML_ELEMENT_NODE && !strcmp((const char *)
 240                                                    n->name, "metadata"))
 241         {
 242             xmlChar *sortkey = xmlGetProp(n, (xmlChar *) "sortkey");
 243             num_metadata++;
 244             if (sortkey && strcmp((const char *) sortkey, "no"))
 245                 num_sortkeys++;
 246             xmlFree(sortkey);
 247         }
 248
 249     service = conf_service_create(config,
 250                                   num_metadata, num_sortkeys, service_id);
 251
 252     for (n = node->children; n; n = n->next)
 253     {
 254         if (n->type != XML_ELEMENT_NODE)
 255             continue;
 256         if (!strcmp((const char *) n->name, "settings"))
 257         {
 258             if (service->settings)
 259             {
 260                 yaz_log(YLOG_FATAL, "Can't repeat 'settings'");
 261                 return 0;
 262             }
 263             service->settings = parse_settings(config, service->nmem, n);
 264             if (!service->settings)
 265                 return 0;
 266         }
 267         else if (!strcmp((const char *) n->name, (const char *) "targetprofiles"))
 268         {
 269             if (service->targetprofiles)
 270             {
 271                 yaz_log(YLOG_FATAL, "Can't repeat targetprofiles");
 272                 return 0;
 273             }
 274             if (!(service->targetprofiles =
 275                   parse_targetprofiles(service->nmem, n)))
 276                 return 0;
 277         }
 278         else if (!strcmp((const char *) n->name, (const char *) "metadata"))
 279         {
 280             xmlChar *xml_name = xmlGetProp(n, (xmlChar *) "name");
 281             xmlChar *xml_brief = xmlGetProp(n, (xmlChar *) "brief");
 282             xmlChar *xml_sortkey = xmlGetProp(n, (xmlChar *) "sortkey");
 283             xmlChar *xml_merge = xmlGetProp(n, (xmlChar *) "merge");
 284             xmlChar *xml_type = xmlGetProp(n, (xmlChar *) "type");
 285             xmlChar *xml_termlist = xmlGetProp(n, (xmlChar *) "termlist");
 286             xmlChar *xml_rank = xmlGetProp(n, (xmlChar *) "rank");
 287             xmlChar *xml_setting = xmlGetProp(n, (xmlChar *) "setting");
 288             xmlChar *xml_mergekey = xmlGetProp(n, (xmlChar *) "mergekey");
 289
 290             enum conf_metadata_type type = Metadata_type_generic;
 291             enum conf_metadata_merge merge = Metadata_merge_no;
 292             enum conf_setting_type setting = Metadata_setting_no;
 293             enum conf_sortkey_type sk_type = Metadata_sortkey_relevance;
 294             enum conf_metadata_mergekey mergekey_type = Metadata_mergekey_no;
 295             int brief = 0;
 296             int termlist = 0;
 297             int rank = 0;
 298             int sortkey_offset = 0;
 299
 300             // now do the parsing logic
 301             if (!xml_name)
 302             {
 303                 yaz_log(YLOG_FATAL, "Must specify name in metadata element");
 304                 return 0;
 305             }
 306             if (xml_brief)
 307             {
 308                 if (!strcmp((const char *) xml_brief, "yes"))
 309                     brief = 1;
 310                  else if (strcmp((const char *) xml_brief, "no"))
 311                 {
 312                     yaz_log(YLOG_FATAL, "metadata/brief must be yes or no");
 313                     return 0;
 314                 }
 315             }
 316             else
 317                 brief = 0;
 318
 319             if (xml_termlist)
 320             {
 321                 if (!strcmp((const char *) xml_termlist, "yes"))
 322                     termlist = 1;
 323                 else if (strcmp((const char *) xml_termlist, "no"))
 324                 {
 325                     yaz_log(YLOG_FATAL, "metadata/termlist must be yes or no");
 326                     return 0;
 327                 }
 328             }
 329             else
 330                 termlist = 0;
 331
 332             if (xml_rank)
 333                 rank = atoi((const char *) xml_rank);
 334             else
 335                 rank = 0;
 336
 337             if (xml_type)
 338             {
 339                 if (!strcmp((const char *) xml_type, "generic"))
 340                     type = Metadata_type_generic;
 341                 else if (!strcmp((const char *) xml_type, "year"))
 342                     type = Metadata_type_year;
 343                 else if (!strcmp((const char *) xml_type, "date"))
 344                     type = Metadata_type_date;
 345                 else
 346                 {
 347                     yaz_log(YLOG_FATAL,
 348                             "Unknown value for metadata/type: %s", xml_type);
 349                     return 0;
 350                 }
 351             }
 352             else
 353                 type = Metadata_type_generic;
 354
 355             if (xml_merge)
 356             {
 357                 if (!strcmp((const char *) xml_merge, "no"))
 358                     merge = Metadata_merge_no;
 359                 else if (!strcmp((const char *) xml_merge, "unique"))
 360                     merge = Metadata_merge_unique;
 361                 else if (!strcmp((const char *) xml_merge, "longest"))
 362                     merge = Metadata_merge_longest;
 363                 else if (!strcmp((const char *) xml_merge, "range"))
 364                     merge = Metadata_merge_range;
 365                 else if (!strcmp((const char *) xml_merge, "all"))
 366                     merge = Metadata_merge_all;
 367                 else
 368                 {
 369                     yaz_log(YLOG_FATAL,
 370                             "Unknown value for metadata/merge: %s", xml_merge);
 371                     return 0;
 372                 }
 373             }
 374             else
 375                 merge = Metadata_merge_no;
 376
 377             if (xml_setting)
 378             {
 379                 if (!strcmp((const char *) xml_setting, "no"))
 380                     setting = Metadata_setting_no;
 381                 else if (!strcmp((const char *) xml_setting, "postproc"))
 382                     setting = Metadata_setting_postproc;
 383                 else if (!strcmp((const char *) xml_setting, "parameter"))
 384                     setting = Metadata_setting_parameter;
 385                 else
 386                 {
 387                     yaz_log(YLOG_FATAL,
 388                         "Unknown value for medadata/setting: %s", xml_setting);
 389                     return 0;
 390                 }
 391             }
 392
 393             // add a sortkey if so specified
 394             if (xml_sortkey && strcmp((const char *) xml_sortkey, "no"))
 395             {
 396                 if (merge == Metadata_merge_no)
 397                 {
 398                     yaz_log(YLOG_FATAL,
 399                             "Can't specify sortkey on a non-merged field");
 400                     return 0;
 401                 }
 402                 if (!strcmp((const char *) xml_sortkey, "numeric"))
 403                     sk_type = Metadata_sortkey_numeric;
 404                 else if (!strcmp((const char *) xml_sortkey, "skiparticle"))
 405                     sk_type = Metadata_sortkey_skiparticle;
 406                 else
 407                 {
 408                     yaz_log(YLOG_FATAL,
 409                             "Unknown sortkey in metadata element: %s",
 410                             xml_sortkey);
 411                     return 0;
 412                 }
 413                 sortkey_offset = sk_node;
 414
 415                 conf_service_add_sortkey(
 416 service, sk_node,
 417                                          (const char *) xml_name, sk_type);
 418
 419                 sk_node++;
 420             }
 421             else
 422                 sortkey_offset = -1;
 423
 424             if (xml_mergekey && strcmp((const char *) xml_mergekey, "no"))
 425             {
 426                 mergekey_type = Metadata_mergekey_yes;
 427             }
 428
 429
 430             // metadata known, assign values
 431             conf_service_add_metadata(service, md_node,
 432                                       (const char *) xml_name,
 433                                       type, merge, setting,
 434                                       brief, termlist, rank, sortkey_offset,
 435                                       mergekey_type);
 436
 437             xmlFree(xml_name);
 438             xmlFree(xml_brief);
 439             xmlFree(xml_sortkey);
 440             xmlFree(xml_merge);
 441             xmlFree(xml_type);
 442             xmlFree(xml_termlist);
 443             xmlFree(xml_rank);
 444             xmlFree(xml_setting);
 445             md_node++;
 446         }
 447         else
 448         {
 449             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
 450             return 0;
 451         }
 452     }
 453     return service;
 454 }
 455
 456 static char *parse_settings(struct conf_config *config,
 457                             NMEM nmem, xmlNode *node)
 458 {
 459     xmlChar *src = xmlGetProp(node, (xmlChar *) "src");
 460     char *r;
 461
 462     if (src)
 463     {
 464         if (yaz_is_abspath((const char *) src))
 465             r = nmem_strdup(nmem, (const char *) src);
 466         else
 467         {
 468             r = nmem_malloc(nmem,
 469                             wrbuf_len(config->confdir) +
 470                             strlen((const char *) src) + 2);
 471             sprintf(r, "%s/%s", wrbuf_cstr(config->confdir), src);
 472         }
 473     }
 474     else
 475     {
 476         yaz_log(YLOG_FATAL, "Must specify src in targetprofile");
 477         return 0;
 478     }
 479     xmlFree(src);
 480     return r;
 481 }
 482
 483 static struct conf_server *parse_server(struct conf_config *config,
 484                                         NMEM nmem, xmlNode *node)
 485 {
 486     xmlNode *n;
 487     struct conf_server *server = nmem_malloc(nmem, sizeof(struct conf_server));
 488
 489     server->host = 0;
 490     server->port = 0;
 491     server->proxy_host = 0;
 492     server->proxy_port = 0;
 493     server->myurl = 0;
 494     server->proxy_addr = 0;
 495     server->service = 0;
 496     server->next = 0;
 497     server->server_settings = 0;
 498     server->relevance_pct = 0;
 499     server->sort_pct = 0;
 500     server->mergekey_pct = 0;
 501
 502     for (n = node->children; n; n = n->next)
 503     {
 504         if (n->type != XML_ELEMENT_NODE)
 505             continue;
 506         if (!strcmp((const char *) n->name, "listen"))
 507         {
 508             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 509             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 510             if (port)
 511                 server->port = atoi((const char *) port);
 512             if (host)
 513                 server->host = nmem_strdup(nmem, (const char *) host);
 514             xmlFree(port);
 515             xmlFree(host);
 516         }
 517         else if (!strcmp((const char *) n->name, "proxy"))
 518         {
 519             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 520             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 521             xmlChar *myurl = xmlGetProp(n, (xmlChar *) "myurl");
 522             if (port)
 523                 server->proxy_port = atoi((const char *) port);
 524             if (host)
 525                 server->proxy_host = nmem_strdup(nmem, (const char *) host);
 526             if (myurl)
 527                 server->myurl = nmem_strdup(nmem, (const char *) myurl);
 528             xmlFree(port);
 529             xmlFree(host);
 530             xmlFree(myurl);
 531         }
 532         else if (!strcmp((const char *) n->name, "settings"))
 533         {
 534             if (server->server_settings)
 535             {
 536                 yaz_log(YLOG_FATAL, "Can't repeat 'settings'");
 537                 return 0;
 538             }
 539             if (!(server->server_settings = parse_settings(config, nmem, n)))
 540                 return 0;
 541         }
 542         else if (!strcmp((const char *) n->name, "relevance"))
 543         {
 544             server->relevance_pct = pp2_charset_create_xml(n);
 545             if (!server->relevance_pct)
 546                 return 0;
 547         }
 548         else if (!strcmp((const char *) n->name, "sort"))
 549         {
 550             server->sort_pct = pp2_charset_create_xml(n);
 551             if (!server->sort_pct)
 552                 return 0;
 553         }
 554         else if (!strcmp((const char *) n->name, "mergekey"))
 555         {
 556             server->mergekey_pct = pp2_charset_create_xml(n);
 557             if (!server->mergekey_pct)
 558                 return 0;
 559         }
 560         else if (!strcmp((const char *) n->name, "service"))
 561         {
 562             char *service_id = (char *)
 563                 xmlGetProp(n, (xmlChar *) "id");
 564
 565             struct conf_service **sp = &server->service;
 566             for (; *sp; sp = &(*sp)->next)
 567                 if ((*sp)->id && service_id &&
 568                     0 == strcmp((*sp)->id, service_id))
 569                 {
 570                     yaz_log(YLOG_FATAL, "Duplicate service: %s", service_id);
 571                     break;
 572                 }
 573                 else if (!(*sp)->id && !service_id)
 574                 {
 575                     yaz_log(YLOG_FATAL, "Duplicate unnamed service");
 576                     break;
 577                 }
 578
 579             if (*sp)  /* service already exist */
 580                 return 0;
 581             else
 582             {
 583                 struct conf_service *s = parse_service(config, n, service_id);
 584                 if (s)
 585                 {
 586                     s->relevance_pct = server->relevance_pct ?
 587                         server->relevance_pct : pp2_charset_create(0);
 588                     s->sort_pct = server->sort_pct ?
 589                         server->sort_pct : pp2_charset_create(0);
 590                     s->mergekey_pct = server->mergekey_pct ?
 591                         server->mergekey_pct : pp2_charset_create(0);
 592                     *sp = s;
 593                 }
 594             }
 595             xmlFree(service_id);
 596         }
 597         else
 598         {
 599             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
 600             return 0;
 601         }
 602     }
 603     return server;
 604 }
 605
 606 xsltStylesheet *conf_load_stylesheet(struct conf_config *config,
 607                                      const char *fname)
 608 {
 609     char path[256];
 610     if (yaz_is_abspath(fname))
 611         yaz_snprintf(path, sizeof(path), fname);
 612     else if (config)
 613         yaz_snprintf(path, sizeof(path), "%s/%s",
 614                      wrbuf_cstr(config->confdir), fname);
 615     return xsltParseStylesheetFile((xmlChar *) path);
 616 }
 617
 618 static struct conf_targetprofiles *parse_targetprofiles(NMEM nmem,
 619                                                         xmlNode *node)
 620 {
 621     struct conf_targetprofiles *r = nmem_malloc(nmem, sizeof(*r));
 622     xmlChar *type = xmlGetProp(node, (xmlChar *) "type");
 623     xmlChar *src = xmlGetProp(node, (xmlChar *) "src");
 624
 625     memset(r, 0, sizeof(*r));
 626
 627     if (type)
 628     {
 629         if (!strcmp((const char *) type, "local"))
 630             r->type = Targetprofiles_local;
 631         else
 632         {
 633             yaz_log(YLOG_FATAL, "Unknown targetprofile type");
 634             return 0;
 635         }
 636     }
 637     else
 638     {
 639         yaz_log(YLOG_FATAL, "Must specify type for targetprofile");
 640         return 0;
 641     }
 642
 643     if (src)
 644         r->src = nmem_strdup(nmem, (const char *) src);
 645     else
 646     {
 647         yaz_log(YLOG_FATAL, "Must specify src in targetprofile");
 648         return 0;
 649     }
 650     xmlFree(type);
 651     xmlFree(src);
 652     return r;
 653 }
 654
 655 struct conf_service *locate_service(struct conf_server *server,
 656                                     const char *service_id)
 657 {
 658     struct conf_service *s = server->service;
 659     for (; s; s = s->next)
 660         if (s->id && service_id && 0 == strcmp(s->id, service_id))
 661             return s;
 662         else if (!s->id && !service_id)
 663             return s;
 664     return 0;
 665 }
 666
 667
 668 static int parse_config(struct conf_config *config, xmlNode *root)
 669 {
 670     xmlNode *n;
 671
 672     for (n = root->children; n; n = n->next)
 673     {
 674         if (n->type != XML_ELEMENT_NODE)
 675             continue;
 676         if (!strcmp((const char *) n->name, "server"))
 677         {
 678             struct conf_server *tmp = parse_server(config, config->nmem, n);
 679             if (!tmp)
 680                 return -1;
 681             tmp->next = config->servers;
 682             config->servers = tmp;
 683         }
 684         else if (!strcmp((const char *) n->name, "targetprofiles"))
 685         {
 686             yaz_log(YLOG_FATAL, "targetprofiles unsupported here. Must be part of service");
 687             return -1;
 688
 689         }
 690         else
 691         {
 692             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
 693             return -1;
 694         }
 695     }
 696     return 0;
 697 }
 698
 699 struct conf_config *read_config(const char *fname)
 700 {
 701     xmlDoc *doc = xmlParseFile(fname);
 702     const char *p;
 703     int r;
 704     NMEM nmem = nmem_create();
 705     struct conf_config *config = nmem_malloc(nmem, sizeof(struct conf_config));
 706
 707     xmlSubstituteEntitiesDefault(1);
 708     xmlLoadExtDtdDefaultValue = 1;
 709     if (!doc)
 710     {
 711         yaz_log(YLOG_FATAL, "Failed to read %s", fname);
 712         exit(1);
 713     }
 714
 715     config->nmem = nmem;
 716     config->servers = 0;
 717
 718     config->confdir = wrbuf_alloc();
 719     if ((p = strrchr(fname,
 720 #ifdef WIN32
 721                      '\\'
 722 #else
 723                      '/'
 724 #endif
 725              )))
 726     {
 727         int len = p - fname;
 728         wrbuf_write(config->confdir, fname, len);
 729     }
 730     wrbuf_puts(config->confdir, "");
 731     r = parse_config(config, xmlDocGetRootElement(doc));
 732     xmlFreeDoc(doc);
 733
 734     if (r)
 735         return 0;
 736     return config;
 737 }
 738
 739 void config_read_settings(struct conf_config *config,
 740                           const char *path_override)
 741 {
 742     struct conf_service *s = config->servers->service;
 743     for (;s ; s = s->next)
 744     {
 745         init_settings(s);
 746         if (path_override)
 747             settings_read(s, path_override);
 748         else if (s->settings)
 749             settings_read(s, s->settings);
 750         else if (config->servers->server_settings)
 751             settings_read(s, config->servers->server_settings);
 752         else
 753             yaz_log(YLOG_WARN, "No settings for service");
 754     }
 755 }
 756
 757 void config_stop_listeners(struct conf_config *conf)
 758 {
 759     struct conf_server *ser;
 760     for (ser = conf->servers; ser; ser = ser->next)
 761         http_close_server(ser);
 762 }
 763
 764 int config_start_listeners(struct conf_config *conf,
 765                            const char *listener_override,
 766                            const char *proxy_override)
 767 {
 768     struct conf_server *ser;
 769     for (ser = conf->servers; ser; ser = ser->next)
 770     {
 771         WRBUF w = wrbuf_alloc();
 772         int r;
 773         if (listener_override)
 774         {
 775             wrbuf_puts(w, listener_override);
 776             listener_override = 0; /* only first server is overriden */
 777         }
 778         else
 779         {
 780             if (ser->host)
 781                 wrbuf_puts(w, ser->host);
 782             if (ser->port)
 783             {
 784                 if (wrbuf_len(w))
 785                     wrbuf_puts(w, ":");
 786                 wrbuf_printf(w, "%d", ser->port);
 787             }
 788         }
 789         r = http_init(wrbuf_cstr(w), ser);
 790         wrbuf_destroy(w);
 791         if (r)
 792             return -1;
 793
 794         w = wrbuf_alloc();
 795         if (proxy_override)
 796             wrbuf_puts(w, proxy_override);
 797         else if (ser->proxy_host || ser->proxy_port)
 798         {
 799             if (ser->proxy_host)
 800                 wrbuf_puts(w, ser->proxy_host);
 801             if (ser->proxy_port)
 802             {
 803                 if (wrbuf_len(w))
 804                     wrbuf_puts(w, ":");
 805                 wrbuf_printf(w, "%d", ser->proxy_port);
 806             }
 807         }
 808         if (wrbuf_len(w))
 809             http_set_proxyaddr(wrbuf_cstr(w), ser);
 810         wrbuf_destroy(w);
 811     }
 812     return 0;
 813 }
 814
 815 /*
 816  * Local variables:
 817  * c-basic-offset: 4
 818  * c-file-style: "Stroustrup"
 819  * indent-tabs-mode: nil
 820  * End:
 821  * vim: shiftwidth=4 tabstop=8 expandtab
 822  */
 823