src/pazpar2_config.c

   1 /* This file is part of Pazpar2.
   2    Copyright (C) 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 #include <assert.h>
  26
  27 #include <libxml/parser.h>
  28 #include <libxml/tree.h>
  29 #include <libxml/xinclude.h>
  30
  31 #include <yaz/yaz-util.h>
  32 #include <yaz/nmem.h>
  33 #include <yaz/snprintf.h>
  34 #include <yaz/tpath.h>
  35 #include <yaz/xml_include.h>
  36
  37 #include <sys/types.h>
  38 #include <sys/stat.h>
  39 #if HAVE_UNISTD_H
  40 #include <unistd.h>
  41 #endif
  42 #include "ppmutex.h"
  43 #include "incref.h"
  44 #include "pazpar2_config.h"
  45 #include "service_xslt.h"
  46 #include "settings.h"
  47 #include "eventl.h"
  48 #include "http.h"
  49
  50 struct conf_config
  51 {
  52     NMEM nmem; /* for conf_config and servers memory */
  53     struct conf_server *servers;
  54
  55     int no_threads;
  56     WRBUF confdir;
  57     char *path;
  58     iochan_man_t iochan_man;
  59     database_hosts_t database_hosts;
  60 };
  61
  62 struct service_xslt
  63 {
  64     char *id;
  65     xsltStylesheetPtr xsp;
  66     struct service_xslt *next;
  67 };
  68
  69 static char *xml_context(const xmlNode *ptr, char *res, size_t len)
  70 {
  71     xmlAttr *attr = ptr->properties;
  72     size_t off = len - 1;
  73
  74     res[off] = '\0';
  75     for (; attr; attr = attr->next)
  76     {
  77         size_t l = strlen((const char *) attr->name);
  78         if (off <= l + 1)
  79             break;
  80         off = off - l;
  81         memcpy(res + off, attr->name, l);
  82         res[--off] = '@';
  83     }
  84     while (ptr && ptr->type == XML_ELEMENT_NODE)
  85     {
  86         size_t l = strlen((const char *) ptr->name);
  87         if (off <= l + 1)
  88             break;
  89
  90         off = off - l;
  91         memcpy(res + off, ptr->name, l);
  92         res[--off] = '/';
  93
  94         ptr = ptr->parent;
  95     }
  96     return res + off;
  97 }
  98
  99 struct conf_service *service_init(struct conf_server *server,
 100                                          int num_metadata, int num_sortkeys,
 101                                          const char *service_id)
 102 {
 103     struct conf_service * service = 0;
 104     NMEM nmem = nmem_create();
 105
 106
 107     service = nmem_malloc(nmem, sizeof(struct conf_service));
 108     service->mutex = 0;
 109     service->ref_count = 1;
 110     service->nmem = nmem;
 111     service->next = 0;
 112     service->databases = 0;
 113     service->xslt_list = 0;
 114     service->ccl_bibset = 0;
 115     service->server = server;
 116     service->session_timeout = 60; /* default session timeout */
 117     service->z3950_session_timeout = 180;
 118     service->z3950_operation_timeout = 30;
 119     service->rank_cluster = 1;
 120     service->rank_debug = 0;
 121     service->rank_follow = 0.0;
 122     service->rank_lead = 0.0;
 123     service->rank_length = 2;
 124
 125     service->charsets = 0;
 126
 127     service->id = service_id ? nmem_strdup(nmem, service_id) : 0;
 128
 129     // Setup a dictionary from server.
 130     service->dictionary = 0;
 131
 132     service->settings = nmem_malloc(nmem, sizeof(*service->settings));
 133     service->settings->num_settings = PZ_MAX_EOF;
 134     service->settings->settings = nmem_malloc(nmem, sizeof(struct setting*) * service->settings->num_settings);
 135     memset(service->settings->settings, 0, sizeof(struct setting*) * service->settings->num_settings);
 136     //  inherit_server_settings_values(service);
 137
 138     service->next = 0;
 139
 140     service->num_metadata = num_metadata;
 141
 142     service->metadata = 0;
 143     if (service->num_metadata)
 144         service->metadata
 145             = nmem_malloc(nmem,
 146                           sizeof(struct conf_metadata) * service->num_metadata);
 147     service->num_sortkeys = num_sortkeys;
 148
 149     service->default_sort = nmem_strdup(nmem, "relevance");
 150     service->sortkeys = 0;
 151     if (service->num_sortkeys)
 152         service->sortkeys
 153             = nmem_malloc(nmem,
 154                           sizeof(struct conf_sortkey) * service->num_sortkeys);
 155     service->xml_node = 0;
 156     return service;
 157 }
 158
 159 static struct conf_metadata* conf_service_add_metadata(
 160     struct conf_service *service,
 161     int field_id,
 162     const char *name,
 163     enum conf_metadata_type type,
 164     enum conf_metadata_merge merge,
 165     enum conf_setting_type setting,
 166     int brief,
 167     int termlist,
 168     const char *rank,
 169     int sortkey_offset,
 170     enum conf_metadata_mergekey mt,
 171     const char *facetrule,
 172     const char *limitmap,
 173     const char *limitcluster,
 174     const char *icurule
 175     )
 176 {
 177     struct conf_metadata * md = 0;
 178     NMEM nmem = service->nmem;
 179
 180     if (!service->metadata || !service->num_metadata
 181         || field_id < 0  || !(field_id < service->num_metadata))
 182         return 0;
 183
 184     md = service->metadata + field_id;
 185     assert(nmem && md && name);
 186
 187     md->name = nmem_strdup(nmem, name);
 188
 189     md->type = type;
 190
 191     // enforcing that type_year is always range_merge
 192     if (md->type == Metadata_type_year)
 193         md->merge = Metadata_merge_range;
 194     else
 195         md->merge = merge;
 196
 197     md->setting = setting;
 198     md->brief = brief;
 199     md->termlist = termlist;
 200     md->rank = nmem_strdup_null(nmem, rank);
 201     md->sortkey_offset = sortkey_offset;
 202     md->mergekey = mt;
 203     md->facetrule = nmem_strdup_null(nmem, facetrule);
 204     md->limitmap = nmem_strdup_null(nmem, limitmap);
 205     md->limitcluster = nmem_strdup_null(nmem, limitcluster);
 206     md->icurule = nmem_strdup_null(nmem, icurule);
 207     return md;
 208 }
 209
 210 static struct conf_sortkey *conf_service_add_sortkey(
 211     struct conf_service *service,
 212     int field_id,
 213     const char *name,
 214     enum conf_metadata_type type)
 215 {
 216     struct conf_sortkey *sk = 0;
 217     NMEM nmem = service->nmem;
 218
 219     if (!service->sortkeys || !service->num_sortkeys
 220         || field_id < 0 || !(field_id < service->num_sortkeys))
 221         return 0;
 222
 223     sk = service->sortkeys + field_id;
 224
 225     assert(nmem && sk && name);
 226
 227     sk->name = nmem_strdup(nmem, name);
 228     sk->type = type;
 229     return sk;
 230 }
 231
 232 int conf_service_metadata_field_id(struct conf_service *service,
 233                                    const char * name)
 234 {
 235     int i = 0;
 236
 237     if (!service || !service->metadata || !service->num_metadata)
 238         return -1;
 239
 240     for (i = 0; i < service->num_metadata; i++)
 241         if (!strcmp(name, (service->metadata[i]).name))
 242             return i;
 243     return -1;
 244 }
 245
 246 int conf_service_sortkey_field_id(struct conf_service *service,
 247                                   const char * name)
 248 {
 249     int i = 0;
 250
 251     if (!service || !service->sortkeys || !service->num_sortkeys)
 252         return -1;
 253
 254     for (i = 0; i < service->num_sortkeys; i++)
 255         if (!strcmp(name, (service->sortkeys[i]).name))
 256             return i;
 257     return -1;
 258 }
 259
 260 static void conf_dir_path(struct conf_config *config, WRBUF w, const char *src)
 261 {
 262     char full_path[1024];
 263     if (yaz_filepath_resolve(src, config->path,
 264                              wrbuf_len(config->confdir) > 0 ?
 265                              wrbuf_cstr(config->confdir) : ".",
 266                              full_path))
 267     {
 268         wrbuf_puts(w, full_path);
 269     }
 270     else
 271     {
 272         yaz_log(YLOG_WARN, "File not found: fname=%s path=%s base=%s", src,
 273                 config->path, wrbuf_cstr(config->confdir));
 274         wrbuf_puts(w, src);
 275     }
 276 }
 277
 278 void service_destroy(struct conf_service *service)
 279 {
 280     if (service)
 281     {
 282         if (!pazpar2_decref(&service->ref_count, service->mutex))
 283         {
 284             service_xslt_destroy(service);
 285             pp2_charset_fact_destroy(service->charsets);
 286             ccl_qual_rm(&service->ccl_bibset);
 287             yaz_mutex_destroy(&service->mutex);
 288             nmem_destroy(service->nmem);
 289         }
 290     }
 291 }
 292
 293 void service_incref(struct conf_service *service)
 294 {
 295     pazpar2_incref(&service->ref_count, service->mutex);
 296 }
 297
 298 static int parse_metadata(struct conf_service *service, xmlNode *n,
 299                           int *md_node, int *sk_node)
 300 {
 301     enum conf_metadata_type type = Metadata_type_generic;
 302     enum conf_metadata_merge merge = Metadata_merge_no;
 303     enum conf_setting_type setting = Metadata_setting_no;
 304     enum conf_metadata_mergekey mergekey_type = Metadata_mergekey_no;
 305     int brief = 0;
 306     int termlist = 0;
 307     int sortkey_offset = 0;
 308     xmlChar *xml_name = 0;
 309     xmlChar *xml_brief = 0;
 310     xmlChar *xml_sortkey = 0;
 311     xmlChar *xml_merge = 0;
 312     xmlChar *xml_type = 0;
 313     xmlChar *xml_termlist = 0;
 314     xmlChar *xml_rank = 0;
 315     xmlChar *xml_setting = 0;
 316     xmlChar *xml_mergekey = 0;
 317     xmlChar *xml_limitmap = 0;
 318     xmlChar *xml_limitcluster = 0;
 319     xmlChar *xml_icu_chain = 0;
 320     xmlChar *xml_icurule = 0;
 321
 322     struct _xmlAttr *attr;
 323
 324     assert(service);
 325
 326     for (attr = n->properties; attr; attr = attr->next)
 327     {
 328         if (!xmlStrcmp(attr->name, BAD_CAST "name") &&
 329             attr->children && attr->children->type == XML_TEXT_NODE)
 330             xml_name = attr->children->content;
 331         else if (!xmlStrcmp(attr->name, BAD_CAST "brief") &&
 332                  attr->children && attr->children->type == XML_TEXT_NODE)
 333             xml_brief = attr->children->content;
 334         else if (!xmlStrcmp(attr->name, BAD_CAST "sortkey") &&
 335                  attr->children && attr->children->type == XML_TEXT_NODE)
 336             xml_sortkey = attr->children->content;
 337         else if (!xmlStrcmp(attr->name, BAD_CAST "merge") &&
 338                  attr->children && attr->children->type == XML_TEXT_NODE)
 339             xml_merge = attr->children->content;
 340         else if (!xmlStrcmp(attr->name, BAD_CAST "type") &&
 341                  attr->children && attr->children->type == XML_TEXT_NODE)
 342             xml_type = attr->children->content;
 343         else if (!xmlStrcmp(attr->name, BAD_CAST "termlist") &&
 344                  attr->children && attr->children->type == XML_TEXT_NODE)
 345             xml_termlist = attr->children->content;
 346         else if (!xmlStrcmp(attr->name, BAD_CAST "rank") &&
 347                  attr->children && attr->children->type == XML_TEXT_NODE)
 348             xml_rank = attr->children->content;
 349         else if (!xmlStrcmp(attr->name, BAD_CAST "setting") &&
 350                  attr->children && attr->children->type == XML_TEXT_NODE)
 351             xml_setting = attr->children->content;
 352         else if (!xmlStrcmp(attr->name, BAD_CAST "mergekey") &&
 353                  attr->children && attr->children->type == XML_TEXT_NODE)
 354             xml_mergekey = attr->children->content;
 355         else if (!xmlStrcmp(attr->name, BAD_CAST "facetrule") &&
 356                  attr->children && attr->children->type == XML_TEXT_NODE)
 357             xml_icu_chain = attr->children->content;
 358         else if (!xmlStrcmp(attr->name, BAD_CAST "limitmap") &&
 359                  attr->children && attr->children->type == XML_TEXT_NODE)
 360             xml_limitmap = attr->children->content;
 361         else if (!xmlStrcmp(attr->name, BAD_CAST "limitcluster") &&
 362                  attr->children && attr->children->type == XML_TEXT_NODE)
 363             xml_limitcluster = attr->children->content;
 364         else if (!xmlStrcmp(attr->name, BAD_CAST "icurule") &&
 365                  attr->children && attr->children->type == XML_TEXT_NODE)
 366             xml_icurule = attr->children->content;
 367         else
 368         {
 369             yaz_log(YLOG_FATAL, "Unknown metadata attribute '%s'", attr->name);
 370             return -1;
 371         }
 372     }
 373
 374     // now do the parsing logic
 375     if (!xml_name)
 376     {
 377         yaz_log(YLOG_FATAL, "Must specify name in metadata element");
 378         return -1;
 379     }
 380     if (xml_brief)
 381     {
 382         if (!strcmp((const char *) xml_brief, "yes"))
 383             brief = 1;
 384         else if (strcmp((const char *) xml_brief, "no"))
 385         {
 386             yaz_log(YLOG_FATAL, "metadata/brief must be yes or no");
 387             return -1;
 388         }
 389     }
 390
 391     if (xml_termlist)
 392     {
 393         if (!strcmp((const char *) xml_termlist, "yes"))
 394             termlist = 1;
 395         else if (strcmp((const char *) xml_termlist, "no"))
 396         {
 397             yaz_log(YLOG_FATAL, "metadata/termlist must be yes or no");
 398             return -1;
 399         }
 400     }
 401
 402     if (xml_type)
 403     {
 404         if (!strcmp((const char *) xml_type, "generic"))
 405             type = Metadata_type_generic;
 406         else if (!strcmp((const char *) xml_type, "year"))
 407             type = Metadata_type_year;
 408         else if (!strcmp((const char *) xml_type, "date"))
 409             type = Metadata_type_date;
 410         else if (!strcmp((const char *) xml_type, "float"))
 411             type = Metadata_type_float;
 412         else
 413         {
 414             yaz_log(YLOG_FATAL,
 415                     "Unknown value for metadata/type: %s", xml_type);
 416             return -1;
 417         }
 418     }
 419
 420     if (xml_merge)
 421     {
 422         if (!strcmp((const char *) xml_merge, "no"))
 423             merge = Metadata_merge_no;
 424         else if (!strcmp((const char *) xml_merge, "unique"))
 425             merge = Metadata_merge_unique;
 426         else if (!strcmp((const char *) xml_merge, "longest"))
 427             merge = Metadata_merge_longest;
 428         else if (!strcmp((const char *) xml_merge, "range"))
 429             merge = Metadata_merge_range;
 430         else if (!strcmp((const char *) xml_merge, "all"))
 431             merge = Metadata_merge_all;
 432         else if (!strcmp((const char *) xml_merge, "first"))
 433             merge = Metadata_merge_first;
 434         else
 435         {
 436             yaz_log(YLOG_FATAL,
 437                     "Unknown value for metadata/merge: %s", xml_merge);
 438             return -1;
 439         }
 440     }
 441
 442     if (xml_setting)
 443     {
 444         if (!strcmp((const char *) xml_setting, "no"))
 445             setting = Metadata_setting_no;
 446         else if (!strcmp((const char *) xml_setting, "postproc"))
 447             setting = Metadata_setting_postproc;
 448         else if (!strcmp((const char *) xml_setting, "parameter"))
 449             setting = Metadata_setting_parameter;
 450         else
 451         {
 452             yaz_log(YLOG_FATAL,
 453                     "Unknown value for metadata/setting: %s", xml_setting);
 454             return -1;
 455         }
 456     }
 457
 458     // add a sortkey if so specified
 459     if (xml_sortkey && strcmp((const char *) xml_sortkey, "no"))
 460     {
 461         enum conf_metadata_type sk_type = type;
 462         if (merge == Metadata_merge_no)
 463         {
 464             yaz_log(YLOG_FATAL,
 465                     "Can't specify sortkey on a non-merged field");
 466             return -1;
 467         }
 468         if (!strcmp((const char *) xml_sortkey, "yes"))
 469             ;
 470         if (!strcmp((const char *) xml_sortkey, "numeric"))
 471             ;
 472         else if (!strcmp((const char *) xml_sortkey, "skiparticle"))
 473         {
 474             if (sk_type == Metadata_type_generic)
 475                 sk_type = Metadata_type_skiparticle;
 476             else
 477             {
 478                 yaz_log(YLOG_FATAL,
 479                         "skiparticle only supported for type=generic: %s",
 480                     xml_type);
 481                 return -1;
 482             }
 483         }
 484         else
 485         {
 486             yaz_log(YLOG_FATAL,
 487                     "Unknown sortkey in metadata element: %s",
 488                     xml_sortkey);
 489             return -1;
 490         }
 491         sortkey_offset = *sk_node;
 492
 493         conf_service_add_sortkey(service, *sk_node,
 494                                  (const char *) xml_name, sk_type);
 495         (*sk_node)++;
 496     }
 497     else
 498         sortkey_offset = -1;
 499
 500     if (xml_mergekey)
 501     {
 502         if (!strcmp((const char *) xml_mergekey, "required"))
 503             mergekey_type = Metadata_mergekey_required;
 504         else if (!strcmp((const char *) xml_mergekey, "optional"))
 505             mergekey_type = Metadata_mergekey_optional;
 506         else if (!strcmp((const char *) xml_mergekey, "no"))
 507             mergekey_type = Metadata_mergekey_no;
 508         else
 509         {
 510             yaz_log(YLOG_FATAL, "Unknown value for mergekey: %s", xml_mergekey);
 511             return -1;
 512         }
 513     }
 514
 515     // metadata known, assign values
 516     conf_service_add_metadata(service, *md_node,
 517                               (const char *) xml_name,
 518                               type, merge, setting,
 519                               brief, termlist,
 520                               (const char *) xml_rank, sortkey_offset,
 521                               mergekey_type,
 522                               (const char *) xml_icu_chain,
 523                               (const char *) xml_limitmap,
 524                               (const char *) xml_limitcluster,
 525                               (const char *) xml_icurule
 526         );
 527     (*md_node)++;
 528     return 0;
 529 }
 530
 531
 532 static void count_metadata(xmlNode *n, int *num_metadata, int *num_sortkeys)
 533 {
 534     xmlChar *sortkey = xmlGetProp(n, (xmlChar *) "sortkey");
 535     (*num_metadata)++;
 536
 537     if (sortkey && strcmp((const char *) sortkey, "no"))
 538         (*num_sortkeys)++;
 539     xmlFree(sortkey);
 540 }
 541
 542
 543 static struct conf_service *service_create_static(struct conf_server *server,
 544                                                   xmlNode *node,
 545                                                   const char *service_id)
 546 {
 547     xmlNode *n;
 548     int md_node = 0;
 549     int sk_node = 0;
 550
 551     struct conf_service *service = 0;
 552     int num_metadata = 0;
 553     int num_sortkeys = 0;
 554     int got_settings = 0;
 555
 556     // count num_metadata and num_sortkeys
 557     for (n = node->children; n; n = n->next)
 558         if (n->type == XML_ELEMENT_NODE && !strcmp((const char *)
 559                                                    n->name, "metadata"))
 560         {
 561             if (n->children) // This is a <metadata> container, look at its contents.
 562             {
 563                 xmlNode *m;
 564                 for (m = n->children; m; m = m->next)
 565                 {
 566                     if (m->type == XML_ELEMENT_NODE &&
 567                             !strcmp((const char *) m->name, "metadata"))
 568                         count_metadata(m, &num_metadata, &num_sortkeys);
 569                 }
 570             }
 571             else // This is a metadata-element proper, count it right away.
 572                 count_metadata(n, &num_metadata, &num_sortkeys);
 573         }
 574
 575     service = service_init(server, num_metadata, num_sortkeys, service_id);
 576
 577     for (n = node->children; n; n = n->next)
 578     {
 579         if (n->type != XML_ELEMENT_NODE)
 580             continue;
 581         if (!strcmp((const char *) n->name, "timeout"))
 582         {
 583             xmlChar *src = xmlGetProp(n, (xmlChar *) "session");
 584             if (src)
 585             {
 586                 service->session_timeout = atoi((const char *) src);
 587                 xmlFree(src);
 588                 if (service->session_timeout < 9)
 589                 {
 590                     yaz_log(YLOG_FATAL, "session timeout out of range");
 591                     return 0;
 592                 }
 593             }
 594             src = xmlGetProp(n, (xmlChar *) "z3950_operation");
 595             if (src)
 596             {
 597                 service->z3950_operation_timeout = atoi((const char *) src);
 598                 xmlFree(src);
 599                 if (service->z3950_session_timeout < 9)
 600                 {
 601                     yaz_log(YLOG_FATAL, "Z39.50 operation timeout out of range");
 602                     return 0;
 603                 }
 604             }
 605             src = xmlGetProp(n, (xmlChar *) "z3950_session");
 606             if (src)
 607             {
 608                 service->z3950_session_timeout = atoi((const char *) src);
 609                 xmlFree(src);
 610                 if (service->z3950_session_timeout < 9)
 611                 {
 612                     yaz_log(YLOG_FATAL, "Z39.50 session timeout out of range");
 613                     return 0;
 614                 }
 615             }
 616         }
 617         else if (!strcmp((const char *) n->name, "ccldirective"))
 618         {
 619             char *name;
 620             char *value;
 621             if (!service->ccl_bibset)
 622                 service->ccl_bibset = ccl_qual_mk();
 623             name = (char *) xmlGetProp(n, (xmlChar *) "name");
 624             if (!name)
 625             {
 626                 yaz_log(YLOG_FATAL, "ccldirective: missing @name");
 627                 return 0;
 628             }
 629             value = (char *) xmlGetProp(n, (xmlChar *) "value");
 630             if (!value)
 631             {
 632                 xmlFree(name);
 633                 yaz_log(YLOG_FATAL, "ccldirective: missing @value");
 634                 return 0;
 635             }
 636             ccl_qual_add_special(service->ccl_bibset, name, value);
 637             xmlFree(value);
 638             xmlFree(name);
 639         }
 640         else if (!strcmp((const char *) n->name, "settings"))
 641             got_settings++;
 642         else if (!strcmp((const char *) n->name, "icu_chain"))
 643         {
 644             if (!service->charsets)
 645                 service->charsets = pp2_charset_fact_create();
 646             if (pp2_charset_fact_define(service->charsets, n, 0))
 647             {
 648                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 649                 return 0;
 650             }
 651         }
 652         else if (!strcmp((const char *) n->name, "relevance")
 653                  || !strcmp((const char *) n->name, "sort")
 654                  || !strcmp((const char *) n->name, "mergekey")
 655                  || !strcmp((const char *) n->name, "facet"))
 656
 657         {
 658             if (!service->charsets)
 659                 service->charsets = pp2_charset_fact_create();
 660             if (pp2_charset_fact_define(service->charsets, n,
 661                                         (const char *) n->name))
 662             {
 663                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 664                 return 0;
 665             }
 666         }
 667         else if (!strcmp((const char *) n->name, (const char *) "metadata"))
 668         {
 669             if (n->children) // This is a <metadata> container, look at its content.
 670             {
 671                 xmlNode *m;
 672                 for (m = n->children; m; m = m->next)
 673                     if ((!strcmp((const char *) m->name, (const char *) "metadata")))
 674                         if (parse_metadata(service, m, &md_node, &sk_node))
 675                             return 0;
 676             }
 677             else // This is a metadata-element proper, count it right away.
 678                 if (parse_metadata(service, n, &md_node, &sk_node))
 679                     return 0;
 680         }
 681         else if (!strcmp((const char *) n->name, (const char *) "xslt"))
 682         {
 683             if (service_xslt_config(service, n))
 684                 return 0;
 685         }
 686         else if (!strcmp((const char *) n->name, "rank"))
 687         {
 688             char *rank_cluster = (char *) xmlGetProp(n, (xmlChar *) "cluster");
 689             char *rank_debug = (char *) xmlGetProp(n, (xmlChar *) "debug");
 690             char *rank_follow = (char *) xmlGetProp(n, (xmlChar *) "follow");
 691             char *rank_lead = (char *) xmlGetProp(n, (xmlChar *) "lead");
 692             char *rank_length= (char *) xmlGetProp(n, (xmlChar *) "length");
 693             if (rank_cluster)
 694             {
 695                 if (!strcmp(rank_cluster, "yes"))
 696                     service->rank_cluster = 1;
 697                 else if (!strcmp(rank_cluster, "no"))
 698                     service->rank_cluster = 0;
 699                 else
 700                 {
 701                     yaz_log(YLOG_FATAL, "service: rank@cluster boolean");
 702                     return 0;
 703                 }
 704             }
 705             if (rank_debug)
 706             {
 707                 if (!strcmp(rank_debug, "yes"))
 708                     service->rank_debug = 1;
 709                 else if (!strcmp(rank_debug, "no"))
 710                     service->rank_debug = 0;
 711                 else
 712                 {
 713                     yaz_log(YLOG_FATAL, "service: rank@debug boolean");
 714                     return 0;
 715                 }
 716             }
 717             if (rank_follow)
 718             {
 719                 service->rank_follow = atof(rank_follow);
 720             }
 721             if (rank_lead)
 722             {
 723                 service->rank_lead = atof(rank_lead);
 724             }
 725             if (rank_length)
 726             {
 727                 if (!strcmp(rank_length, "linear"))
 728                     service->rank_length = 2;
 729                 else if (!strcmp(rank_length, "log"))
 730                     service->rank_length = 1;
 731                 else if (!strcmp(rank_length, "none"))
 732                     service->rank_length = 0;
 733                 else
 734                 {
 735                     yaz_log(YLOG_FATAL, "service: rank@length linear|log|none");
 736                     return 0;
 737                 }
 738             }
 739             xmlFree(rank_cluster);
 740             xmlFree(rank_debug);
 741             xmlFree(rank_follow);
 742             xmlFree(rank_lead);
 743             xmlFree(rank_length);
 744         }
 745         else if (!strcmp((const char *) n->name, "sort-default"))
 746         {
 747             char *default_sort = (char *) xmlGetProp(n, (xmlChar *) "field");
 748
 749             if (default_sort && strcmp(default_sort, "")) {
 750                 service->default_sort = nmem_strdup(service->nmem, default_sort);
 751                 yaz_log(YLOG_LOG, "service %s: default sort order configured to: %s",
 752                         service_id ? service_id : "unnamed", default_sort);
 753             }
 754             else
 755             {
 756                 yaz_log(YLOG_FATAL, "default sort order is invalid: %s", default_sort);
 757                 return 0;
 758             }
 759             xmlFree(default_sort);
 760         }
 761         else
 762         {
 763             char tmp[80];
 764             yaz_log(YLOG_FATAL, "Bad element: %s . Context: %s", n->name,
 765                     xml_context(n, tmp, sizeof tmp));
 766             return 0;
 767         }
 768     }
 769     if (got_settings)
 770     {
 771         int pass;
 772         /* metadata has been read.. Consider now settings */
 773         init_settings(service);
 774         for (pass = 1; pass <= 2; pass++)
 775         {
 776             for (n = node->children; n; n = n->next)
 777             {
 778                 if (n->type != XML_ELEMENT_NODE)
 779                     continue;
 780                 if (!strcmp((const char *) n->name, "settings"))
 781                 {
 782                     int ret;
 783                     xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
 784                     if (src)
 785                     {
 786                         WRBUF w = wrbuf_alloc();
 787                         conf_dir_path(server->config, w, (const char *) src);
 788                         ret = settings_read_file(service, wrbuf_cstr(w), pass);
 789                         wrbuf_destroy(w);
 790                         xmlFree(src);
 791                     }
 792                     else
 793                     {
 794                         ret = settings_read_node(service, n, pass);
 795                     }
 796                     if (ret)
 797                         return 0;
 798                 }
 799             }
 800         }
 801     }
 802
 803     {
 804         xmlBufferPtr buf = xmlBufferCreate();
 805         xmlNodeDump(buf, node->doc, node, 0, 0);
 806         service->xml_node =
 807             nmem_strdupn(service->nmem, (const char *) buf->content, buf->use);
 808         xmlBufferFree(buf);
 809     }
 810     return service;
 811 }
 812
 813 static int inherit_server_settings(struct conf_service *s)
 814 {
 815     int ret = 0;
 816     struct conf_server *server = s->server;
 817     if (!s->dictionary) /* service has no config settings ? */
 818     {
 819         if (server->settings_fname)
 820         {
 821             /* inherit settings from server */
 822             init_settings(s);
 823             if (settings_read_file(s, server->settings_fname, 1))
 824                 ret = -1;
 825             if (settings_read_file(s, server->settings_fname, 2))
 826                 ret = -1;
 827         }
 828         else
 829         {
 830             yaz_log(YLOG_WARN, "server '%s' has no settings", s->id ? s->id : "unnamed");
 831             init_settings(s);
 832         }
 833     }
 834
 835     /* use relevance/sort/mergekey/facet from server if not defined
 836        for this service.. */
 837     if (!s->charsets)
 838     {
 839         if (server->charsets)
 840         {
 841             s->charsets = server->charsets;
 842             pp2_charset_fact_incref(s->charsets);
 843         }
 844         else
 845         {
 846             s->charsets = pp2_charset_fact_create();
 847         }
 848     }
 849     return ret;
 850 }
 851
 852 struct conf_service *service_create(struct conf_server *server,
 853                                     xmlNode *node)
 854 {
 855     struct conf_service *service = service_create_static(server, node, 0);
 856     if (service)
 857     {
 858         inherit_server_settings(service);
 859         assert(service->mutex == 0);
 860         pazpar2_mutex_create(&service->mutex, "conf");
 861     }
 862     return service;
 863 }
 864
 865 static struct conf_server *server_create(struct conf_config *config,
 866                                          NMEM nmem, xmlNode *node)
 867 {
 868     xmlNode *n;
 869     struct conf_server *server = nmem_malloc(nmem, sizeof(struct conf_server));
 870     xmlChar *server_id = xmlGetProp(node, (xmlChar *) "id");
 871
 872     server->host = "@";
 873     server->port = 0;
 874     server->proxy_host = 0;
 875     server->proxy_port = 0;
 876     server->myurl = 0;
 877     server->service = 0;
 878     server->config = config;
 879     server->next = 0;
 880     server->charsets = 0;
 881     server->http_server = 0;
 882     server->iochan_man = 0;
 883     server->database_hosts = config->database_hosts;
 884     server->settings_fname = 0;
 885
 886     if (server_id)
 887     {
 888         server->server_id = nmem_strdup(nmem, (const char *)server_id);
 889         xmlFree(server_id);
 890     }
 891     else
 892         server->server_id = 0;
 893     for (n = node->children; n; n = n->next)
 894     {
 895         if (n->type != XML_ELEMENT_NODE)
 896             continue;
 897         if (!strcmp((const char *) n->name, "listen"))
 898         {
 899             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 900             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 901
 902             if (port)
 903                 server->port = nmem_strdup(nmem, (const char *) port);
 904             if (host)
 905                 server->host = nmem_strdup(nmem, (const char *) host);
 906
 907             xmlFree(port);
 908             xmlFree(host);
 909         }
 910         else if (!strcmp((const char *) n->name, "proxy"))
 911         {
 912             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 913             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 914             xmlChar *myurl = xmlGetProp(n, (xmlChar *) "myurl");
 915             if (port)
 916                 server->proxy_port = atoi((const char *) port);
 917             if (host)
 918                 server->proxy_host = nmem_strdup(nmem, (const char *) host);
 919             if (myurl)
 920                 server->myurl = nmem_strdup(nmem, (const char *) myurl);
 921             xmlFree(port);
 922             xmlFree(host);
 923             xmlFree(myurl);
 924         }
 925         else if (!strcmp((const char *) n->name, "settings"))
 926         {
 927             xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
 928             WRBUF w;
 929             if (!src)
 930             {
 931                 yaz_log(YLOG_FATAL, "Missing src attribute for settings");
 932                 return 0;
 933             }
 934             if (server->settings_fname)
 935             {
 936                 xmlFree(src);
 937                 yaz_log(YLOG_FATAL, "Can't repeat 'settings'");
 938                 return 0;
 939             }
 940             w = wrbuf_alloc();
 941             conf_dir_path(config, w, (const char *) src);
 942             server->settings_fname = nmem_strdup(nmem, wrbuf_cstr(w));
 943             wrbuf_destroy(w);
 944             xmlFree(src);
 945         }
 946         else if (!strcmp((const char *) n->name, "icu_chain"))
 947         {
 948             if (!server->charsets)
 949                 server->charsets = pp2_charset_fact_create();
 950             if (pp2_charset_fact_define(server->charsets, n, 0))
 951             {
 952                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 953                 return 0;
 954             }
 955         }
 956         else if (!strcmp((const char *) n->name, "relevance")
 957                  || !strcmp((const char *) n->name, "sort")
 958                  || !strcmp((const char *) n->name, "mergekey")
 959                  || !strcmp((const char *) n->name, "facet"))
 960         {
 961             if (!server->charsets)
 962                 server->charsets = pp2_charset_fact_create();
 963             if (pp2_charset_fact_define(server->charsets, n,
 964                                         (const char *) n->name))
 965             {
 966                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 967                 return 0;
 968             }
 969         }
 970         else if (!strcmp((const char *) n->name, "service"))
 971         {
 972             char *service_id = (char *)
 973                 xmlGetProp(n, (xmlChar *) "id");
 974
 975             struct conf_service **sp = &server->service;
 976             for (; *sp; sp = &(*sp)->next)
 977                 if ((*sp)->id && service_id &&
 978                     0 == strcmp((*sp)->id, service_id))
 979                 {
 980                     yaz_log(YLOG_FATAL, "Duplicate service: %s", service_id);
 981                     break;
 982                 }
 983                 else if (!(*sp)->id && !service_id)
 984                 {
 985                     yaz_log(YLOG_FATAL, "Duplicate unnamed service");
 986                     break;
 987                 }
 988
 989             if (*sp)  /* service already exist */
 990             {
 991                 xmlFree(service_id);
 992                 return 0;
 993             }
 994             else
 995             {
 996                 struct conf_service *s = service_create_static(server, n,
 997                                                                service_id);
 998                 xmlFree(service_id);
 999                 if (!s)
1000                     return 0;
1001                 *sp = s;
1002             }
1003         }
1004         else
1005         {
1006             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
1007             return 0;
1008         }
1009     }
1010     if (!server->port)
1011     {
1012         yaz_log(YLOG_FATAL, "No listening port given");
1013         return 0;
1014     }
1015     if (server->service)
1016     {
1017         struct conf_service *s;
1018         for (s = server->service; s; s = s->next)
1019             inherit_server_settings(s);
1020     }
1021     return server;
1022 }
1023
1024 WRBUF conf_get_fname(struct conf_config *config, const char *fname)
1025 {
1026     WRBUF w = wrbuf_alloc();
1027
1028     conf_dir_path(config, w, fname);
1029     return w;
1030 }
1031
1032 struct conf_service *locate_service(struct conf_server *server,
1033                                     const char *service_id)
1034 {
1035     struct conf_service *s = server->service;
1036     for (; s; s = s->next)
1037         if (s->id && service_id && 0 == strcmp(s->id, service_id))
1038             break;
1039         else if (!s->id && !service_id)
1040             break;
1041     if (s)
1042         service_incref(s);
1043     return s;
1044 }
1045
1046 static void info_service_metadata(struct conf_service *service, WRBUF w)
1047 {
1048     int i;
1049     struct conf_metadata *md;
1050
1051     if (service->num_metadata)
1052     {
1053         for (i = 0; i < service->num_metadata; i++)
1054         {
1055             md = &(service->metadata[i]);
1056             wrbuf_puts(w, "   <metadata");
1057             if (md->name) {
1058                 wrbuf_puts(w, " name=\"");
1059                 wrbuf_xmlputs(w, md->name);
1060                 wrbuf_puts(w, "\"");
1061             }
1062             if (md->brief) {
1063                 wrbuf_puts(w, " brief=\"yes\"");
1064             }
1065             if (md->termlist) {
1066                 wrbuf_puts(w, " termlist=\"yes\"");
1067             }
1068             if (md->rank) {
1069                 wrbuf_puts(w, " rank=\"");
1070                 wrbuf_xmlputs(w, md->rank);
1071                 wrbuf_puts(w, "\"");
1072             }
1073             if (md->sortkey_offset > 0) {
1074                 wrbuf_puts(w, " sortkey=\"");
1075                 switch (service->sortkeys[md->sortkey_offset].type)
1076                 {
1077                 case Metadata_type_relevance:
1078                     wrbuf_puts(w, "relevance");
1079                     break;
1080                 case Metadata_type_skiparticle:
1081                     wrbuf_puts(w, "skiparticle");
1082                     break;
1083                 case Metadata_type_position:
1084                     wrbuf_puts(w, "position");
1085                     break;
1086                 default:
1087                     wrbuf_puts(w, "yes");
1088                     break;
1089                 }
1090                 wrbuf_puts(w, "\"");
1091             }
1092             switch (md->type)
1093             {
1094             case Metadata_type_generic:
1095             case Metadata_type_skiparticle:
1096                 break;
1097             case Metadata_type_year:
1098                 wrbuf_puts(w, " type=\"year\"");
1099                 break;
1100             case Metadata_type_date:
1101                 wrbuf_puts(w, " type=\"date\"");
1102                 break;
1103             case Metadata_type_float:
1104                 wrbuf_puts(w, " type=\"float\"");
1105                 break;
1106             case Metadata_type_relevance:
1107             case Metadata_type_position:
1108                 break;
1109             }
1110             switch (md->merge)
1111             {
1112             case Metadata_merge_no:
1113                 break;
1114             case Metadata_merge_unique:
1115                 wrbuf_puts(w, " merge=\"unique\"");
1116                 break;
1117             case Metadata_merge_longest:
1118                 wrbuf_puts(w, " merge=\"longest\"");
1119                 break;
1120             case Metadata_merge_range:
1121                 wrbuf_puts(w, " merge=\"range\"");
1122                 break;
1123             case Metadata_merge_all:
1124                 wrbuf_puts(w, " merge=\"all\"");
1125                 break;
1126             case Metadata_merge_first:
1127                 wrbuf_puts(w, " merge=\"first\"");
1128                 break;
1129             }
1130             switch (md->mergekey)
1131             {
1132             case Metadata_mergekey_no:
1133                 break;
1134             case Metadata_mergekey_optional:
1135                 wrbuf_puts(w, " mergekey=\"optional\"");
1136                 break;
1137             case Metadata_mergekey_required:
1138                 wrbuf_puts(w, " mergekey=\"required\"");
1139                 break;
1140             }
1141             wrbuf_puts(w, " />\n");
1142         }
1143     }
1144 }
1145
1146 static void info_service_databases(struct conf_service *service, WRBUF w)
1147 {
1148     struct database *db;
1149     struct setting *s;
1150     int i;
1151
1152     if (service->databases)
1153     {
1154         wrbuf_puts(w, "   <databases>\n");
1155         for(db = service->databases; db; db = db->next)
1156         {
1157             wrbuf_puts(w, "    <database");
1158             if (db->id)
1159             {
1160                 wrbuf_puts(w, " id=\"");
1161                 wrbuf_printf(w, "%s", db->id);
1162                 wrbuf_puts(w, "\"");
1163             }
1164             wrbuf_puts(w, ">\n");
1165             for (i = 0; i < db->num_settings; i++)
1166             {
1167                 s = db->settings[i];
1168                 while (s != NULL)
1169                 {
1170                     wrbuf_puts(w, "     <setting");
1171                     wrbuf_puts(w, " name=\"");
1172                     wrbuf_xmlputs(w, s->name);
1173                     wrbuf_puts(w, "\"");
1174                     wrbuf_puts(w, " value=\"");
1175                     wrbuf_xmlputs(w, s->value);
1176                     wrbuf_puts(w, "\"");
1177                     wrbuf_puts(w, " />\n");
1178                     s = s->next;
1179                 }
1180             }
1181             wrbuf_puts(w, "    </database>\n");
1182         }
1183         wrbuf_puts(w, "   </databases>\n");
1184     }
1185 }
1186
1187 void info_services(struct conf_server *server, WRBUF w)
1188 {
1189     struct conf_service *s = server->service;
1190     int i;
1191     struct setting *S;
1192
1193     wrbuf_puts(w, " <services>\n");
1194     for (; s; s = s->next)
1195     {
1196         wrbuf_puts(w, "  <service");
1197         if (s->id)
1198         {
1199             wrbuf_puts(w, " id=\"");
1200             wrbuf_xmlputs(w, s->id);
1201             wrbuf_puts(w, "\"");
1202         }
1203         wrbuf_puts(w, ">\n");
1204         if (s->settings)
1205         {
1206             for (i=0; i<s->settings->num_settings; i++)
1207             {
1208                 S = s->settings->settings[i];
1209                 while (S != NULL) {
1210                     wrbuf_puts(w, "   <setting");
1211                     wrbuf_puts(w, " name=\"");
1212                     wrbuf_xmlputs(w,  S->name);
1213                     wrbuf_puts(w, "\"");
1214                     wrbuf_puts(w, " value=\"");
1215                     wrbuf_xmlputs(w, S->value);
1216                     wrbuf_puts(w, "\"");
1217                     if (S->target) {
1218                         wrbuf_puts(w, " target=\"");
1219                         wrbuf_xmlputs(w, S->target);
1220                         wrbuf_puts(w, "\"");
1221                     }
1222
1223                     wrbuf_puts(w, " />\n");
1224
1225                     S = S->next;
1226                 }
1227             }
1228         }
1229         info_service_metadata(s, w);
1230         info_service_databases(s, w);
1231         wrbuf_puts(w, "  </service>");
1232
1233         wrbuf_puts(w, "\n");
1234     }
1235     wrbuf_puts(w, " </services>\n");
1236 }
1237
1238 static int parse_config(struct conf_config *config, xmlNode *root)
1239 {
1240     xmlNode *n;
1241
1242     for (n = root->children; n; n = n->next)
1243     {
1244         if (n->type != XML_ELEMENT_NODE)
1245             continue;
1246         if (!strcmp((const char *) n->name, "server"))
1247         {
1248             struct conf_server *tmp = server_create(config, config->nmem, n);
1249             if (!tmp)
1250                 return -1;
1251             tmp->next = config->servers;
1252             config->servers = tmp;
1253         }
1254         else if (!strcmp((const char *) n->name, "threads"))
1255         {
1256             xmlChar *number = xmlGetProp(n, (xmlChar *) "number");
1257             if (number)
1258             {
1259                 config->no_threads = atoi((const char *) number);
1260                 xmlFree(number);
1261             }
1262         }
1263         else if (!strcmp((const char *) n->name, "file"))
1264         {
1265             xmlChar *path = xmlGetProp(n, (xmlChar *) "path");
1266             if (path)
1267             {
1268                 config->path = nmem_strdup(config->nmem, (const char *) path);
1269                 xmlFree(path);
1270             }
1271         }
1272         else if (!strcmp((const char *) n->name, "targetprofiles"))
1273         {
1274             yaz_log(YLOG_FATAL, "targetprofiles unsupported here. Must be part of service");
1275             return -1;
1276
1277         }
1278         else
1279         {
1280             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
1281             return -1;
1282         }
1283     }
1284     return 0;
1285 }
1286
1287 struct conf_config *config_create(const char *fname)
1288 {
1289     xmlDoc *doc = xmlReadFile(fname,
1290                               NULL,
1291                               XML_PARSE_XINCLUDE
1292                               + XML_PARSE_NSCLEAN + XML_PARSE_NONET);
1293     xmlNode *n;
1294     const char *p;
1295     int r;
1296     NMEM nmem = nmem_create();
1297     struct conf_config *config = nmem_malloc(nmem, sizeof(struct conf_config));
1298
1299     xmlSubstituteEntitiesDefault(1);
1300     xmlLoadExtDtdDefaultValue = 1;
1301     if (!doc)
1302     {
1303         yaz_log(YLOG_FATAL, "Failed to read %s", fname);
1304         nmem_destroy(nmem);
1305         return 0;
1306     }
1307
1308     // Perform XInclude.
1309     r = xmlXIncludeProcess(doc);
1310     if (r == -1)
1311     {
1312         yaz_log(YLOG_FATAL, "XInclude processing failed");
1313         return 0;
1314     }
1315
1316     config->nmem = nmem;
1317     config->servers = 0;
1318     config->path = nmem_strdup(nmem, ".");
1319     config->no_threads = 0;
1320     config->iochan_man = 0;
1321     config->database_hosts = database_hosts_create();
1322
1323     config->confdir = wrbuf_alloc();
1324     if ((p = strrchr(fname,
1325 #ifdef WIN32
1326                      '\\'
1327 #else
1328                      '/'
1329 #endif
1330              )))
1331     {
1332         int len = p - fname;
1333         wrbuf_write(config->confdir, fname, len);
1334     }
1335     wrbuf_puts(config->confdir, "");
1336
1337     n = xmlDocGetRootElement(doc);
1338     r = yaz_xml_include_simple(n, wrbuf_cstr(config->confdir));
1339     if (r == 0) /* OK */
1340     {
1341         yaz_log(YLOG_LOG, "Configuration %s after include processing",
1342                 fname);
1343 #if LIBXML_VERSION >= 20600
1344         xmlDocFormatDump(yaz_log_file(), doc, 0);
1345 #else
1346         xmlDocDump(yaz_log_file(), doc);
1347 #endif
1348         r = parse_config(config, n);
1349     }
1350     xmlFreeDoc(doc);
1351
1352     if (r)
1353     {
1354         config_destroy(config);
1355         return 0;
1356     }
1357     return config;
1358 }
1359
1360 void server_destroy(struct conf_server *server)
1361 {
1362     struct conf_service *s = server->service;
1363     while (s)
1364     {
1365         struct conf_service *s_next = s->next;
1366         service_destroy(s);
1367         s = s_next;
1368     }
1369     pp2_charset_fact_destroy(server->charsets);
1370     http_server_destroy(server->http_server);
1371 }
1372
1373 void config_destroy(struct conf_config *config)
1374 {
1375     if (config)
1376     {
1377         struct conf_server *server = config->servers;
1378         iochan_man_destroy(&config->iochan_man);
1379         while (server)
1380         {
1381             struct conf_server *s_next = server->next;
1382             server_destroy(server);
1383             server = s_next;
1384             database_hosts_destroy(&config->database_hosts);
1385         }
1386         wrbuf_destroy(config->confdir);
1387         nmem_destroy(config->nmem);
1388     }
1389 }
1390
1391 void config_stop_listeners(struct conf_config *conf)
1392 {
1393     struct conf_server *ser;
1394     for (ser = conf->servers; ser; ser = ser->next)
1395         http_close_server(ser);
1396 }
1397
1398 void config_process_events(struct conf_config *conf)
1399 {
1400     struct conf_server *ser;
1401
1402     for (ser = conf->servers; ser; ser = ser->next)
1403     {
1404         struct conf_service *s = ser->service;
1405
1406         for (;s ; s = s->next)
1407         {
1408             assert(s->mutex == 0);
1409             pazpar2_mutex_create(&s->mutex, "service");
1410         }
1411         http_mutex_init(ser);
1412     }
1413     iochan_man_events(conf->iochan_man);
1414 }
1415
1416 int config_start_listeners(struct conf_config *conf,
1417                            const char *listener_override,
1418                            const char *record_fname)
1419 {
1420     struct conf_server *ser;
1421
1422     conf->iochan_man = iochan_man_create(conf->no_threads);
1423     for (ser = conf->servers; ser; ser = ser->next)
1424     {
1425         WRBUF w;
1426         int r;
1427
1428         ser->iochan_man = conf->iochan_man;
1429         if (listener_override)
1430         {
1431             const char *cp = strrchr(listener_override, ':');
1432             if (cp)
1433             {
1434                 ser->host = nmem_strdupn(conf->nmem, listener_override,
1435                                          cp - listener_override);
1436                 ser->port = nmem_strdup(conf->nmem, cp + 1);
1437             }
1438             else
1439             {
1440                 ser->host = "@";
1441                 ser->port = nmem_strdup(conf->nmem, listener_override);
1442             }
1443             listener_override = 0; /* only first server is overriden */
1444         }
1445         r = http_init(ser, record_fname);
1446         if (r)
1447             return -1;
1448
1449         w = wrbuf_alloc();
1450         if (ser->proxy_host || ser->proxy_port)
1451         {
1452             if (ser->proxy_host)
1453                 wrbuf_puts(w, ser->proxy_host);
1454             if (ser->proxy_port)
1455             {
1456                 if (wrbuf_len(w))
1457                     wrbuf_puts(w, ":");
1458                 wrbuf_printf(w, "%d", ser->proxy_port);
1459             }
1460         }
1461         if (wrbuf_len(w))
1462             http_set_proxyaddr(wrbuf_cstr(w), ser);
1463         wrbuf_destroy(w);
1464     }
1465     return 0;
1466 }
1467
1468 /*
1469  * Local variables:
1470  * c-basic-offset: 4
1471  * c-file-style: "Stroustrup"
1472  * indent-tabs-mode: nil
1473  * End:
1474  * vim: shiftwidth=4 tabstop=8 expandtab
1475  */
1476