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 };
  60
  61 struct service_xslt
  62 {
  63     char *id;
  64     xsltStylesheetPtr xsp;
  65     struct service_xslt *next;
  66 };
  67
  68 static char *xml_context(const xmlNode *ptr, char *res, size_t len)
  69 {
  70     xmlAttr *attr = ptr->properties;
  71     size_t off = len - 1;
  72
  73     res[off] = '\0';
  74     for (; attr; attr = attr->next)
  75     {
  76         size_t l = strlen((const char *) attr->name);
  77         if (off <= l + 1)
  78             break;
  79         off = off - l;
  80         memcpy(res + off, attr->name, l);
  81         res[--off] = '@';
  82     }
  83     while (ptr && ptr->type == XML_ELEMENT_NODE)
  84     {
  85         size_t l = strlen((const char *) ptr->name);
  86         if (off <= l + 1)
  87             break;
  88
  89         off = off - l;
  90         memcpy(res + off, ptr->name, l);
  91         res[--off] = '/';
  92
  93         ptr = ptr->parent;
  94     }
  95     return res + off;
  96 }
  97
  98 struct conf_service *service_init(struct conf_server *server,
  99                                          int num_metadata, int num_sortkeys,
 100                                          const char *service_id)
 101 {
 102     struct conf_service * service = 0;
 103     NMEM nmem = nmem_create();
 104
 105
 106     service = nmem_malloc(nmem, sizeof(struct conf_service));
 107     service->mutex = 0;
 108     service->ref_count = 1;
 109     service->nmem = nmem;
 110     service->next = 0;
 111     service->databases = 0;
 112     service->xslt_list = 0;
 113     service->ccl_bibset = 0;
 114     service->server = server;
 115     service->session_timeout = 60; /* default session timeout */
 116     service->z3950_session_timeout = 180;
 117     service->z3950_operation_timeout = 30;
 118     service->rank_cluster = 1;
 119     service->rank_debug = 0;
 120     service->rank_follow = 0.0;
 121     service->rank_lead = 0.0;
 122     service->rank_length = 2;
 123
 124     service->charsets = 0;
 125
 126     service->id = service_id ? nmem_strdup(nmem, service_id) : 0;
 127
 128     // Setup a dictionary from server.
 129     service->dictionary = 0;
 130
 131     service->settings = nmem_malloc(nmem, sizeof(*service->settings));
 132     service->settings->num_settings = PZ_MAX_EOF;
 133     service->settings->settings = nmem_malloc(nmem, sizeof(struct setting*) * service->settings->num_settings);
 134     memset(service->settings->settings, 0, sizeof(struct setting*) * service->settings->num_settings);
 135     //  inherit_server_settings_values(service);
 136
 137     service->next = 0;
 138
 139     service->num_metadata = num_metadata;
 140
 141     service->metadata = 0;
 142     if (service->num_metadata)
 143         service->metadata
 144             = nmem_malloc(nmem,
 145                           sizeof(struct conf_metadata) * service->num_metadata);
 146     service->num_sortkeys = num_sortkeys;
 147
 148     service->default_sort = nmem_strdup(nmem, "relevance");
 149     service->sortkeys = 0;
 150     if (service->num_sortkeys)
 151         service->sortkeys
 152             = nmem_malloc(nmem,
 153                           sizeof(struct conf_sortkey) * service->num_sortkeys);
 154     service->xml_node = 0;
 155     return service;
 156 }
 157
 158 static struct conf_metadata* conf_service_add_metadata(
 159     struct conf_service *service,
 160     int field_id,
 161     const char *name,
 162     enum conf_metadata_type type,
 163     enum conf_metadata_merge merge,
 164     enum conf_setting_type setting,
 165     int brief,
 166     int termlist,
 167     const char *rank,
 168     int sortkey_offset,
 169     enum conf_metadata_mergekey mt,
 170     const char *facetrule,
 171     const char *limitmap,
 172     const char *limitcluster,
 173     const char *icurule
 174     )
 175 {
 176     struct conf_metadata * md = 0;
 177     NMEM nmem = service->nmem;
 178
 179     if (!service->metadata || !service->num_metadata
 180         || field_id < 0  || !(field_id < service->num_metadata))
 181         return 0;
 182
 183     md = service->metadata + field_id;
 184     assert(nmem && md && name);
 185
 186     md->name = nmem_strdup(nmem, name);
 187
 188     md->type = type;
 189
 190     // enforcing that type_year is always range_merge
 191     if (md->type == Metadata_type_year)
 192         md->merge = Metadata_merge_range;
 193     else
 194         md->merge = merge;
 195
 196     md->setting = setting;
 197     md->brief = brief;
 198     md->termlist = termlist;
 199     md->rank = nmem_strdup_null(nmem, rank);
 200     md->sortkey_offset = sortkey_offset;
 201     md->mergekey = mt;
 202     md->facetrule = nmem_strdup_null(nmem, facetrule);
 203     md->limitmap = nmem_strdup_null(nmem, limitmap);
 204     md->limitcluster = nmem_strdup_null(nmem, limitcluster);
 205     md->icurule = nmem_strdup_null(nmem, icurule);
 206     return md;
 207 }
 208
 209 static struct conf_sortkey *conf_service_add_sortkey(
 210     struct conf_service *service,
 211     int field_id,
 212     const char *name,
 213     enum conf_metadata_type type)
 214 {
 215     struct conf_sortkey *sk = 0;
 216     NMEM nmem = service->nmem;
 217
 218     if (!service->sortkeys || !service->num_sortkeys
 219         || field_id < 0 || !(field_id < service->num_sortkeys))
 220         return 0;
 221
 222     sk = service->sortkeys + field_id;
 223
 224     assert(nmem && sk && name);
 225
 226     sk->name = nmem_strdup(nmem, name);
 227     sk->type = type;
 228     return sk;
 229 }
 230
 231 int conf_service_metadata_field_id(struct conf_service *service,
 232                                    const char * name)
 233 {
 234     int i = 0;
 235
 236     if (!service || !service->metadata || !service->num_metadata)
 237         return -1;
 238
 239     for (i = 0; i < service->num_metadata; i++)
 240         if (!strcmp(name, (service->metadata[i]).name))
 241             return i;
 242     return -1;
 243 }
 244
 245 int conf_service_sortkey_field_id(struct conf_service *service,
 246                                   const char * name)
 247 {
 248     int i = 0;
 249
 250     if (!service || !service->sortkeys || !service->num_sortkeys)
 251         return -1;
 252
 253     for (i = 0; i < service->num_sortkeys; i++)
 254         if (!strcmp(name, (service->sortkeys[i]).name))
 255             return i;
 256     return -1;
 257 }
 258
 259 static void conf_dir_path(struct conf_config *config, WRBUF w, const char *src)
 260 {
 261     char full_path[1024];
 262     if (yaz_filepath_resolve(src, config->path,
 263                              wrbuf_len(config->confdir) > 0 ?
 264                              wrbuf_cstr(config->confdir) : ".",
 265                              full_path))
 266     {
 267         wrbuf_puts(w, full_path);
 268     }
 269     else
 270     {
 271         yaz_log(YLOG_WARN, "File not found: fname=%s path=%s base=%s", src,
 272                 config->path, wrbuf_cstr(config->confdir));
 273         wrbuf_puts(w, src);
 274     }
 275 }
 276
 277 void service_destroy(struct conf_service *service)
 278 {
 279     if (service)
 280     {
 281         if (!pazpar2_decref(&service->ref_count, service->mutex))
 282         {
 283             service_xslt_destroy(service);
 284             pp2_charset_fact_destroy(service->charsets);
 285             ccl_qual_rm(&service->ccl_bibset);
 286             yaz_mutex_destroy(&service->mutex);
 287             nmem_destroy(service->nmem);
 288         }
 289     }
 290 }
 291
 292 void service_incref(struct conf_service *service)
 293 {
 294     pazpar2_incref(&service->ref_count, service->mutex);
 295 }
 296
 297 static int parse_metadata(struct conf_service *service, xmlNode *n,
 298                           int *md_node, int *sk_node)
 299 {
 300     enum conf_metadata_type type = Metadata_type_generic;
 301     enum conf_metadata_merge merge = Metadata_merge_no;
 302     enum conf_setting_type setting = Metadata_setting_no;
 303     enum conf_metadata_mergekey mergekey_type = Metadata_mergekey_no;
 304     int brief = 0;
 305     int termlist = 0;
 306     int sortkey_offset = 0;
 307     xmlChar *xml_name = 0;
 308     xmlChar *xml_brief = 0;
 309     xmlChar *xml_sortkey = 0;
 310     xmlChar *xml_merge = 0;
 311     xmlChar *xml_type = 0;
 312     xmlChar *xml_termlist = 0;
 313     xmlChar *xml_rank = 0;
 314     xmlChar *xml_setting = 0;
 315     xmlChar *xml_mergekey = 0;
 316     xmlChar *xml_limitmap = 0;
 317     xmlChar *xml_limitcluster = 0;
 318     xmlChar *xml_icu_chain = 0;
 319     xmlChar *xml_icurule = 0;
 320
 321     struct _xmlAttr *attr;
 322
 323     assert(service);
 324
 325     for (attr = n->properties; attr; attr = attr->next)
 326     {
 327         if (!xmlStrcmp(attr->name, BAD_CAST "name") &&
 328             attr->children && attr->children->type == XML_TEXT_NODE)
 329             xml_name = attr->children->content;
 330         else if (!xmlStrcmp(attr->name, BAD_CAST "brief") &&
 331                  attr->children && attr->children->type == XML_TEXT_NODE)
 332             xml_brief = attr->children->content;
 333         else if (!xmlStrcmp(attr->name, BAD_CAST "sortkey") &&
 334                  attr->children && attr->children->type == XML_TEXT_NODE)
 335             xml_sortkey = attr->children->content;
 336         else if (!xmlStrcmp(attr->name, BAD_CAST "merge") &&
 337                  attr->children && attr->children->type == XML_TEXT_NODE)
 338             xml_merge = attr->children->content;
 339         else if (!xmlStrcmp(attr->name, BAD_CAST "type") &&
 340                  attr->children && attr->children->type == XML_TEXT_NODE)
 341             xml_type = attr->children->content;
 342         else if (!xmlStrcmp(attr->name, BAD_CAST "termlist") &&
 343                  attr->children && attr->children->type == XML_TEXT_NODE)
 344             xml_termlist = attr->children->content;
 345         else if (!xmlStrcmp(attr->name, BAD_CAST "rank") &&
 346                  attr->children && attr->children->type == XML_TEXT_NODE)
 347             xml_rank = attr->children->content;
 348         else if (!xmlStrcmp(attr->name, BAD_CAST "setting") &&
 349                  attr->children && attr->children->type == XML_TEXT_NODE)
 350             xml_setting = attr->children->content;
 351         else if (!xmlStrcmp(attr->name, BAD_CAST "mergekey") &&
 352                  attr->children && attr->children->type == XML_TEXT_NODE)
 353             xml_mergekey = attr->children->content;
 354         else if (!xmlStrcmp(attr->name, BAD_CAST "facetrule") &&
 355                  attr->children && attr->children->type == XML_TEXT_NODE)
 356             xml_icu_chain = attr->children->content;
 357         else if (!xmlStrcmp(attr->name, BAD_CAST "limitmap") &&
 358                  attr->children && attr->children->type == XML_TEXT_NODE)
 359             xml_limitmap = attr->children->content;
 360         else if (!xmlStrcmp(attr->name, BAD_CAST "limitcluster") &&
 361                  attr->children && attr->children->type == XML_TEXT_NODE)
 362             xml_limitcluster = attr->children->content;
 363         else if (!xmlStrcmp(attr->name, BAD_CAST "icurule") &&
 364                  attr->children && attr->children->type == XML_TEXT_NODE)
 365             xml_icurule = attr->children->content;
 366         else
 367         {
 368             yaz_log(YLOG_FATAL, "Unknown metadata attribute '%s'", attr->name);
 369             return -1;
 370         }
 371     }
 372
 373     // now do the parsing logic
 374     if (!xml_name)
 375     {
 376         yaz_log(YLOG_FATAL, "Must specify name in metadata element");
 377         return -1;
 378     }
 379     if (xml_brief)
 380     {
 381         if (!strcmp((const char *) xml_brief, "yes"))
 382             brief = 1;
 383         else if (strcmp((const char *) xml_brief, "no"))
 384         {
 385             yaz_log(YLOG_FATAL, "metadata/brief must be yes or no");
 386             return -1;
 387         }
 388     }
 389
 390     if (xml_termlist)
 391     {
 392         if (!strcmp((const char *) xml_termlist, "yes"))
 393             termlist = 1;
 394         else if (strcmp((const char *) xml_termlist, "no"))
 395         {
 396             yaz_log(YLOG_FATAL, "metadata/termlist must be yes or no");
 397             return -1;
 398         }
 399     }
 400
 401     if (xml_type)
 402     {
 403         if (!strcmp((const char *) xml_type, "generic"))
 404             type = Metadata_type_generic;
 405         else if (!strcmp((const char *) xml_type, "year"))
 406             type = Metadata_type_year;
 407         else if (!strcmp((const char *) xml_type, "date"))
 408             type = Metadata_type_date;
 409         else if (!strcmp((const char *) xml_type, "float"))
 410             type = Metadata_type_float;
 411         else
 412         {
 413             yaz_log(YLOG_FATAL,
 414                     "Unknown value for metadata/type: %s", xml_type);
 415             return -1;
 416         }
 417     }
 418
 419     if (xml_merge)
 420     {
 421         if (!strcmp((const char *) xml_merge, "no"))
 422             merge = Metadata_merge_no;
 423         else if (!strcmp((const char *) xml_merge, "unique"))
 424             merge = Metadata_merge_unique;
 425         else if (!strcmp((const char *) xml_merge, "longest"))
 426             merge = Metadata_merge_longest;
 427         else if (!strcmp((const char *) xml_merge, "range"))
 428             merge = Metadata_merge_range;
 429         else if (!strcmp((const char *) xml_merge, "all"))
 430             merge = Metadata_merge_all;
 431         else if (!strcmp((const char *) xml_merge, "first"))
 432             merge = Metadata_merge_first;
 433         else
 434         {
 435             yaz_log(YLOG_FATAL,
 436                     "Unknown value for metadata/merge: %s", xml_merge);
 437             return -1;
 438         }
 439     }
 440
 441     if (xml_setting)
 442     {
 443         if (!strcmp((const char *) xml_setting, "no"))
 444             setting = Metadata_setting_no;
 445         else if (!strcmp((const char *) xml_setting, "postproc"))
 446             setting = Metadata_setting_postproc;
 447         else if (!strcmp((const char *) xml_setting, "parameter"))
 448             setting = Metadata_setting_parameter;
 449         else
 450         {
 451             yaz_log(YLOG_FATAL,
 452                     "Unknown value for metadata/setting: %s", xml_setting);
 453             return -1;
 454         }
 455     }
 456
 457     // add a sortkey if so specified
 458     if (xml_sortkey && strcmp((const char *) xml_sortkey, "no"))
 459     {
 460         enum conf_metadata_type sk_type = type;
 461         if (merge == Metadata_merge_no)
 462         {
 463             yaz_log(YLOG_FATAL,
 464                     "Can't specify sortkey on a non-merged field");
 465             return -1;
 466         }
 467         if (!strcmp((const char *) xml_sortkey, "yes"))
 468             ;
 469         if (!strcmp((const char *) xml_sortkey, "numeric"))
 470             ;
 471         else if (!strcmp((const char *) xml_sortkey, "skiparticle"))
 472         {
 473             if (sk_type == Metadata_type_generic)
 474                 sk_type = Metadata_type_skiparticle;
 475             else
 476             {
 477                 yaz_log(YLOG_FATAL,
 478                         "skiparticle only supported for type=generic: %s",
 479                     xml_type);
 480                 return -1;
 481             }
 482         }
 483         else
 484         {
 485             yaz_log(YLOG_FATAL,
 486                     "Unknown sortkey in metadata element: %s",
 487                     xml_sortkey);
 488             return -1;
 489         }
 490         sortkey_offset = *sk_node;
 491
 492         conf_service_add_sortkey(service, *sk_node,
 493                                  (const char *) xml_name, sk_type);
 494         (*sk_node)++;
 495     }
 496     else
 497         sortkey_offset = -1;
 498
 499     if (xml_mergekey)
 500     {
 501         if (!strcmp((const char *) xml_mergekey, "required"))
 502             mergekey_type = Metadata_mergekey_required;
 503         else if (!strcmp((const char *) xml_mergekey, "optional"))
 504             mergekey_type = Metadata_mergekey_optional;
 505         else if (!strcmp((const char *) xml_mergekey, "no"))
 506             mergekey_type = Metadata_mergekey_no;
 507         else
 508         {
 509             yaz_log(YLOG_FATAL, "Unknown value for mergekey: %s", xml_mergekey);
 510             return -1;
 511         }
 512     }
 513
 514     // metadata known, assign values
 515     conf_service_add_metadata(service, *md_node,
 516                               (const char *) xml_name,
 517                               type, merge, setting,
 518                               brief, termlist,
 519                               (const char *) xml_rank, sortkey_offset,
 520                               mergekey_type,
 521                               (const char *) xml_icu_chain,
 522                               (const char *) xml_limitmap,
 523                               (const char *) xml_limitcluster,
 524                               (const char *) xml_icurule
 525         );
 526     (*md_node)++;
 527     return 0;
 528 }
 529
 530
 531 static void count_metadata(xmlNode *n, int *num_metadata, int *num_sortkeys)
 532 {
 533     xmlChar *sortkey = xmlGetProp(n, (xmlChar *) "sortkey");
 534     (*num_metadata)++;
 535
 536     if (sortkey && strcmp((const char *) sortkey, "no"))
 537         (*num_sortkeys)++;
 538     xmlFree(sortkey);
 539 }
 540
 541
 542 static struct conf_service *service_create_static(struct conf_server *server,
 543                                                   xmlNode *node,
 544                                                   const char *service_id)
 545 {
 546     xmlNode *n;
 547     int md_node = 0;
 548     int sk_node = 0;
 549
 550     struct conf_service *service = 0;
 551     int num_metadata = 0;
 552     int num_sortkeys = 0;
 553     int got_settings = 0;
 554
 555     // count num_metadata and num_sortkeys
 556     for (n = node->children; n; n = n->next)
 557         if (n->type == XML_ELEMENT_NODE && !strcmp((const char *)
 558                                                    n->name, "metadata"))
 559         {
 560             if (n->children) // This is a <metadata> container, look at its contents.
 561             {
 562                 xmlNode *m;
 563                 for (m = n->children; m; m = m->next)
 564                 {
 565                     if (m->type == XML_ELEMENT_NODE &&
 566                             !strcmp((const char *) m->name, "metadata"))
 567                         count_metadata(m, &num_metadata, &num_sortkeys);
 568                 }
 569             }
 570             else // This is a metadata-element proper, count it right away.
 571                 count_metadata(n, &num_metadata, &num_sortkeys);
 572         }
 573
 574     service = service_init(server, num_metadata, num_sortkeys, service_id);
 575
 576     for (n = node->children; n; n = n->next)
 577     {
 578         if (n->type != XML_ELEMENT_NODE)
 579             continue;
 580         if (!strcmp((const char *) n->name, "timeout"))
 581         {
 582             xmlChar *src = xmlGetProp(n, (xmlChar *) "session");
 583             if (src)
 584             {
 585                 service->session_timeout = atoi((const char *) src);
 586                 xmlFree(src);
 587                 if (service->session_timeout < 9)
 588                 {
 589                     yaz_log(YLOG_FATAL, "session timeout out of range");
 590                     return 0;
 591                 }
 592             }
 593             src = xmlGetProp(n, (xmlChar *) "z3950_operation");
 594             if (src)
 595             {
 596                 service->z3950_operation_timeout = atoi((const char *) src);
 597                 xmlFree(src);
 598                 if (service->z3950_session_timeout < 9)
 599                 {
 600                     yaz_log(YLOG_FATAL, "Z39.50 operation timeout out of range");
 601                     return 0;
 602                 }
 603             }
 604             src = xmlGetProp(n, (xmlChar *) "z3950_session");
 605             if (src)
 606             {
 607                 service->z3950_session_timeout = atoi((const char *) src);
 608                 xmlFree(src);
 609                 if (service->z3950_session_timeout < 9)
 610                 {
 611                     yaz_log(YLOG_FATAL, "Z39.50 session timeout out of range");
 612                     return 0;
 613                 }
 614             }
 615         }
 616         else if (!strcmp((const char *) n->name, "ccldirective"))
 617         {
 618             char *name;
 619             char *value;
 620             if (!service->ccl_bibset)
 621                 service->ccl_bibset = ccl_qual_mk();
 622             name = (char *) xmlGetProp(n, (xmlChar *) "name");
 623             if (!name)
 624             {
 625                 yaz_log(YLOG_FATAL, "ccldirective: missing @name");
 626                 return 0;
 627             }
 628             value = (char *) xmlGetProp(n, (xmlChar *) "value");
 629             if (!value)
 630             {
 631                 xmlFree(name);
 632                 yaz_log(YLOG_FATAL, "ccldirective: missing @value");
 633                 return 0;
 634             }
 635             ccl_qual_add_special(service->ccl_bibset, name, value);
 636             xmlFree(value);
 637             xmlFree(name);
 638         }
 639         else if (!strcmp((const char *) n->name, "settings"))
 640             got_settings++;
 641         else if (!strcmp((const char *) n->name, "icu_chain"))
 642         {
 643             if (!service->charsets)
 644                 service->charsets = pp2_charset_fact_create();
 645             if (pp2_charset_fact_define(service->charsets, n, 0))
 646             {
 647                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 648                 return 0;
 649             }
 650         }
 651         else if (!strcmp((const char *) n->name, "relevance")
 652                  || !strcmp((const char *) n->name, "sort")
 653                  || !strcmp((const char *) n->name, "mergekey")
 654                  || !strcmp((const char *) n->name, "facet"))
 655
 656         {
 657             if (!service->charsets)
 658                 service->charsets = pp2_charset_fact_create();
 659             if (pp2_charset_fact_define(service->charsets, n,
 660                                         (const char *) n->name))
 661             {
 662                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 663                 return 0;
 664             }
 665         }
 666         else if (!strcmp((const char *) n->name, (const char *) "metadata"))
 667         {
 668             if (n->children) // This is a <metadata> container, look at its content.
 669             {
 670                 xmlNode *m;
 671                 for (m = n->children; m; m = m->next)
 672                     if ((!strcmp((const char *) m->name, (const char *) "metadata")))
 673                         if (parse_metadata(service, m, &md_node, &sk_node))
 674                             return 0;
 675             }
 676             else // This is a metadata-element proper, count it right away.
 677                 if (parse_metadata(service, n, &md_node, &sk_node))
 678                     return 0;
 679         }
 680         else if (!strcmp((const char *) n->name, (const char *) "xslt"))
 681         {
 682             if (service_xslt_config(service, n))
 683                 return 0;
 684         }
 685         else if (!strcmp((const char *) n->name, "rank"))
 686         {
 687             char *rank_cluster = (char *) xmlGetProp(n, (xmlChar *) "cluster");
 688             char *rank_debug = (char *) xmlGetProp(n, (xmlChar *) "debug");
 689             char *rank_follow = (char *) xmlGetProp(n, (xmlChar *) "follow");
 690             char *rank_lead = (char *) xmlGetProp(n, (xmlChar *) "lead");
 691             char *rank_length= (char *) xmlGetProp(n, (xmlChar *) "length");
 692             if (rank_cluster)
 693             {
 694                 if (!strcmp(rank_cluster, "yes"))
 695                     service->rank_cluster = 1;
 696                 else if (!strcmp(rank_cluster, "no"))
 697                     service->rank_cluster = 0;
 698                 else
 699                 {
 700                     yaz_log(YLOG_FATAL, "service: rank@cluster boolean");
 701                     return 0;
 702                 }
 703             }
 704             if (rank_debug)
 705             {
 706                 if (!strcmp(rank_debug, "yes"))
 707                     service->rank_debug = 1;
 708                 else if (!strcmp(rank_debug, "no"))
 709                     service->rank_debug = 0;
 710                 else
 711                 {
 712                     yaz_log(YLOG_FATAL, "service: rank@debug boolean");
 713                     return 0;
 714                 }
 715             }
 716             if (rank_follow)
 717             {
 718                 service->rank_follow = atof(rank_follow);
 719             }
 720             if (rank_lead)
 721             {
 722                 service->rank_lead = atof(rank_lead);
 723             }
 724             if (rank_length)
 725             {
 726                 if (!strcmp(rank_length, "linear"))
 727                     service->rank_length = 2;
 728                 else if (!strcmp(rank_length, "log"))
 729                     service->rank_length = 1;
 730                 else if (!strcmp(rank_length, "none"))
 731                     service->rank_length = 0;
 732                 else
 733                 {
 734                     yaz_log(YLOG_FATAL, "service: rank@length linear|log|none");
 735                     return 0;
 736                 }
 737             }
 738             xmlFree(rank_cluster);
 739             xmlFree(rank_debug);
 740             xmlFree(rank_follow);
 741             xmlFree(rank_lead);
 742             xmlFree(rank_length);
 743         }
 744         else if (!strcmp((const char *) n->name, "sort-default"))
 745         {
 746             char *default_sort = (char *) xmlGetProp(n, (xmlChar *) "field");
 747
 748             if (default_sort && strcmp(default_sort, "")) {
 749                 service->default_sort = nmem_strdup(service->nmem, default_sort);
 750                 yaz_log(YLOG_LOG, "service %s: default sort order configured to: %s",
 751                         service_id ? service_id : "unnamed", default_sort);
 752             }
 753             else
 754             {
 755                 yaz_log(YLOG_FATAL, "default sort order is invalid: %s", default_sort);
 756                 return 0;
 757             }
 758             xmlFree(default_sort);
 759         }
 760         else
 761         {
 762             char tmp[80];
 763             yaz_log(YLOG_FATAL, "Bad element: %s . Context: %s", n->name,
 764                     xml_context(n, tmp, sizeof tmp));
 765             return 0;
 766         }
 767     }
 768     if (got_settings)
 769     {
 770         int pass;
 771         /* metadata has been read.. Consider now settings */
 772         init_settings(service);
 773         for (pass = 1; pass <= 2; pass++)
 774         {
 775             for (n = node->children; n; n = n->next)
 776             {
 777                 if (n->type != XML_ELEMENT_NODE)
 778                     continue;
 779                 if (!strcmp((const char *) n->name, "settings"))
 780                 {
 781                     int ret;
 782                     xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
 783                     if (src)
 784                     {
 785                         WRBUF w = wrbuf_alloc();
 786                         conf_dir_path(server->config, w, (const char *) src);
 787                         ret = settings_read_file(service, wrbuf_cstr(w), pass);
 788                         wrbuf_destroy(w);
 789                         xmlFree(src);
 790                     }
 791                     else
 792                     {
 793                         ret = settings_read_node(service, n, pass);
 794                     }
 795                     if (ret)
 796                         return 0;
 797                 }
 798             }
 799         }
 800     }
 801
 802     {
 803         xmlBufferPtr buf = xmlBufferCreate();
 804         xmlNodeDump(buf, node->doc, node, 0, 0);
 805         service->xml_node =
 806             nmem_strdupn(service->nmem, (const char *) buf->content, buf->use);
 807         xmlBufferFree(buf);
 808     }
 809     return service;
 810 }
 811
 812 static int inherit_server_settings(struct conf_service *s)
 813 {
 814     int ret = 0;
 815     struct conf_server *server = s->server;
 816     if (!s->dictionary) /* service has no config settings ? */
 817     {
 818         if (server->settings_fname)
 819         {
 820             /* inherit settings from server */
 821             init_settings(s);
 822             if (settings_read_file(s, server->settings_fname, 1))
 823                 ret = -1;
 824             if (settings_read_file(s, server->settings_fname, 2))
 825                 ret = -1;
 826         }
 827         else
 828         {
 829             yaz_log(YLOG_WARN, "server '%s' has no settings", s->id ? s->id : "unnamed");
 830             init_settings(s);
 831         }
 832     }
 833
 834     /* use relevance/sort/mergekey/facet from server if not defined
 835        for this service.. */
 836     if (!s->charsets)
 837     {
 838         if (server->charsets)
 839         {
 840             s->charsets = server->charsets;
 841             pp2_charset_fact_incref(s->charsets);
 842         }
 843         else
 844         {
 845             s->charsets = pp2_charset_fact_create();
 846         }
 847     }
 848     return ret;
 849 }
 850
 851 struct conf_service *service_create(struct conf_server *server,
 852                                     xmlNode *node)
 853 {
 854     struct conf_service *service = service_create_static(server, node, 0);
 855     if (service)
 856     {
 857         inherit_server_settings(service);
 858         assert(service->mutex == 0);
 859         pazpar2_mutex_create(&service->mutex, "conf");
 860     }
 861     return service;
 862 }
 863
 864 static struct conf_server *server_create(struct conf_config *config,
 865                                          NMEM nmem, xmlNode *node)
 866 {
 867     xmlNode *n;
 868     struct conf_server *server = nmem_malloc(nmem, sizeof(struct conf_server));
 869     xmlChar *server_id = xmlGetProp(node, (xmlChar *) "id");
 870
 871     server->host = "@";
 872     server->port = 0;
 873     server->proxy_host = 0;
 874     server->proxy_port = 0;
 875     server->myurl = 0;
 876     server->service = 0;
 877     server->config = config;
 878     server->next = 0;
 879     server->charsets = 0;
 880     server->http_server = 0;
 881     server->iochan_man = 0;
 882     server->settings_fname = 0;
 883
 884     if (server_id)
 885     {
 886         server->server_id = nmem_strdup(nmem, (const char *)server_id);
 887         xmlFree(server_id);
 888     }
 889     else
 890         server->server_id = 0;
 891     for (n = node->children; n; n = n->next)
 892     {
 893         if (n->type != XML_ELEMENT_NODE)
 894             continue;
 895         if (!strcmp((const char *) n->name, "listen"))
 896         {
 897             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 898             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 899
 900             if (port)
 901                 server->port = nmem_strdup(nmem, (const char *) port);
 902             if (host)
 903                 server->host = nmem_strdup(nmem, (const char *) host);
 904
 905             xmlFree(port);
 906             xmlFree(host);
 907         }
 908         else if (!strcmp((const char *) n->name, "proxy"))
 909         {
 910             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 911             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 912             xmlChar *myurl = xmlGetProp(n, (xmlChar *) "myurl");
 913             if (port)
 914                 server->proxy_port = atoi((const char *) port);
 915             if (host)
 916                 server->proxy_host = nmem_strdup(nmem, (const char *) host);
 917             if (myurl)
 918                 server->myurl = nmem_strdup(nmem, (const char *) myurl);
 919             xmlFree(port);
 920             xmlFree(host);
 921             xmlFree(myurl);
 922         }
 923         else if (!strcmp((const char *) n->name, "settings"))
 924         {
 925             xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
 926             WRBUF w;
 927             if (!src)
 928             {
 929                 yaz_log(YLOG_FATAL, "Missing src attribute for settings");
 930                 return 0;
 931             }
 932             if (server->settings_fname)
 933             {
 934                 xmlFree(src);
 935                 yaz_log(YLOG_FATAL, "Can't repeat 'settings'");
 936                 return 0;
 937             }
 938             w = wrbuf_alloc();
 939             conf_dir_path(config, w, (const char *) src);
 940             server->settings_fname = nmem_strdup(nmem, wrbuf_cstr(w));
 941             wrbuf_destroy(w);
 942             xmlFree(src);
 943         }
 944         else if (!strcmp((const char *) n->name, "icu_chain"))
 945         {
 946             if (!server->charsets)
 947                 server->charsets = pp2_charset_fact_create();
 948             if (pp2_charset_fact_define(server->charsets, n, 0))
 949             {
 950                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 951                 return 0;
 952             }
 953         }
 954         else if (!strcmp((const char *) n->name, "relevance")
 955                  || !strcmp((const char *) n->name, "sort")
 956                  || !strcmp((const char *) n->name, "mergekey")
 957                  || !strcmp((const char *) n->name, "facet"))
 958         {
 959             if (!server->charsets)
 960                 server->charsets = pp2_charset_fact_create();
 961             if (pp2_charset_fact_define(server->charsets, n,
 962                                         (const char *) n->name))
 963             {
 964                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 965                 return 0;
 966             }
 967         }
 968         else if (!strcmp((const char *) n->name, "service"))
 969         {
 970             char *service_id = (char *)
 971                 xmlGetProp(n, (xmlChar *) "id");
 972
 973             struct conf_service **sp = &server->service;
 974             for (; *sp; sp = &(*sp)->next)
 975                 if ((*sp)->id && service_id &&
 976                     0 == strcmp((*sp)->id, service_id))
 977                 {
 978                     yaz_log(YLOG_FATAL, "Duplicate service: %s", service_id);
 979                     break;
 980                 }
 981                 else if (!(*sp)->id && !service_id)
 982                 {
 983                     yaz_log(YLOG_FATAL, "Duplicate unnamed service");
 984                     break;
 985                 }
 986
 987             if (*sp)  /* service already exist */
 988             {
 989                 xmlFree(service_id);
 990                 return 0;
 991             }
 992             else
 993             {
 994                 struct conf_service *s = service_create_static(server, n,
 995                                                                service_id);
 996                 xmlFree(service_id);
 997                 if (!s)
 998                     return 0;
 999                 *sp = s;
1000             }
1001         }
1002         else
1003         {
1004             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
1005             return 0;
1006         }
1007     }
1008     if (!server->port)
1009     {
1010         yaz_log(YLOG_FATAL, "No listening port given");
1011         return 0;
1012     }
1013     if (server->service)
1014     {
1015         struct conf_service *s;
1016         for (s = server->service; s; s = s->next)
1017             inherit_server_settings(s);
1018     }
1019     return server;
1020 }
1021
1022 WRBUF conf_get_fname(struct conf_config *config, const char *fname)
1023 {
1024     WRBUF w = wrbuf_alloc();
1025
1026     conf_dir_path(config, w, fname);
1027     return w;
1028 }
1029
1030 struct conf_service *locate_service(struct conf_server *server,
1031                                     const char *service_id)
1032 {
1033     struct conf_service *s = server->service;
1034     for (; s; s = s->next)
1035         if (s->id && service_id && 0 == strcmp(s->id, service_id))
1036             break;
1037         else if (!s->id && !service_id)
1038             break;
1039     if (s)
1040         service_incref(s);
1041     return s;
1042 }
1043
1044 static void info_service_metadata(struct conf_service *service, WRBUF w)
1045 {
1046     int i;
1047     struct conf_metadata *md;
1048
1049     if (service->num_metadata)
1050     {
1051         for (i = 0; i < service->num_metadata; i++)
1052         {
1053             md = &(service->metadata[i]);
1054             wrbuf_puts(w, "   <metadata");
1055             if (md->name) {
1056                 wrbuf_puts(w, " name=\"");
1057                 wrbuf_xmlputs(w, md->name);
1058                 wrbuf_puts(w, "\"");
1059             }
1060             if (md->brief) {
1061                 wrbuf_puts(w, " brief=\"yes\"");
1062             }
1063             if (md->termlist) {
1064                 wrbuf_puts(w, " termlist=\"yes\"");
1065             }
1066             if (md->rank) {
1067                 wrbuf_puts(w, " rank=\"");
1068                 wrbuf_xmlputs(w, md->rank);
1069                 wrbuf_puts(w, "\"");
1070             }
1071             if (md->sortkey_offset > 0) {
1072                 wrbuf_puts(w, " sortkey=\"");
1073                 switch (service->sortkeys[md->sortkey_offset].type)
1074                 {
1075                 case Metadata_type_relevance:
1076                     wrbuf_puts(w, "relevance");
1077                     break;
1078                 case Metadata_type_skiparticle:
1079                     wrbuf_puts(w, "skiparticle");
1080                     break;
1081                 case Metadata_type_position:
1082                     wrbuf_puts(w, "position");
1083                     break;
1084                 case Metadata_type_retrieval:
1085                     wrbuf_puts(w, "retrieval");
1086                     break;
1087                 default:
1088                     wrbuf_puts(w, "yes");
1089                     break;
1090                 }
1091                 wrbuf_puts(w, "\"");
1092             }
1093             switch (md->type)
1094             {
1095             case Metadata_type_generic:
1096             case Metadata_type_skiparticle:
1097                 break;
1098             case Metadata_type_year:
1099                 wrbuf_puts(w, " type=\"year\"");
1100                 break;
1101             case Metadata_type_date:
1102                 wrbuf_puts(w, " type=\"date\"");
1103                 break;
1104             case Metadata_type_float:
1105                 wrbuf_puts(w, " type=\"float\"");
1106                 break;
1107             case Metadata_type_relevance:
1108             case Metadata_type_position:
1109                 break;
1110             }
1111             switch (md->merge)
1112             {
1113             case Metadata_merge_no:
1114                 break;
1115             case Metadata_merge_unique:
1116                 wrbuf_puts(w, " merge=\"unique\"");
1117                 break;
1118             case Metadata_merge_longest:
1119                 wrbuf_puts(w, " merge=\"longest\"");
1120                 break;
1121             case Metadata_merge_range:
1122                 wrbuf_puts(w, " merge=\"range\"");
1123                 break;
1124             case Metadata_merge_all:
1125                 wrbuf_puts(w, " merge=\"all\"");
1126                 break;
1127             case Metadata_merge_first:
1128                 wrbuf_puts(w, " merge=\"first\"");
1129                 break;
1130             }
1131             switch (md->mergekey)
1132             {
1133             case Metadata_mergekey_no:
1134                 break;
1135             case Metadata_mergekey_optional:
1136                 wrbuf_puts(w, " mergekey=\"optional\"");
1137                 break;
1138             case Metadata_mergekey_required:
1139                 wrbuf_puts(w, " mergekey=\"required\"");
1140                 break;
1141             }
1142             wrbuf_puts(w, " />\n");
1143         }
1144     }
1145 }
1146
1147 static void info_service_databases(struct conf_service *service, WRBUF w)
1148 {
1149     struct database *db;
1150     struct setting *s;
1151     int i;
1152
1153     if (service->databases)
1154     {
1155         wrbuf_puts(w, "   <databases>\n");
1156         for(db = service->databases; db; db = db->next)
1157         {
1158             wrbuf_puts(w, "    <database");
1159             if (db->id)
1160             {
1161                 wrbuf_puts(w, " id=\"");
1162                 wrbuf_printf(w, "%s", db->id);
1163                 wrbuf_puts(w, "\"");
1164             }
1165             wrbuf_puts(w, ">\n");
1166             for (i = 0; i < db->num_settings; i++)
1167             {
1168                 s = db->settings[i];
1169                 while (s != NULL)
1170                 {
1171                     wrbuf_puts(w, "     <setting");
1172                     wrbuf_puts(w, " name=\"");
1173                     wrbuf_xmlputs(w, s->name);
1174                     wrbuf_puts(w, "\"");
1175                     wrbuf_puts(w, " value=\"");
1176                     wrbuf_xmlputs(w, s->value);
1177                     wrbuf_puts(w, "\"");
1178                     wrbuf_puts(w, " />\n");
1179                     s = s->next;
1180                 }
1181             }
1182             wrbuf_puts(w, "    </database>\n");
1183         }
1184         wrbuf_puts(w, "   </databases>\n");
1185     }
1186 }
1187
1188 void info_services(struct conf_server *server, WRBUF w)
1189 {
1190     struct conf_service *s = server->service;
1191     int i;
1192     struct setting *S;
1193
1194     wrbuf_puts(w, " <services>\n");
1195     for (; s; s = s->next)
1196     {
1197         wrbuf_puts(w, "  <service");
1198         if (s->id)
1199         {
1200             wrbuf_puts(w, " id=\"");
1201             wrbuf_xmlputs(w, s->id);
1202             wrbuf_puts(w, "\"");
1203         }
1204         wrbuf_puts(w, ">\n");
1205         if (s->settings)
1206         {
1207             for (i=0; i<s->settings->num_settings; i++)
1208             {
1209                 S = s->settings->settings[i];
1210                 while (S != NULL) {
1211                     wrbuf_puts(w, "   <setting");
1212                     wrbuf_puts(w, " name=\"");
1213                     wrbuf_xmlputs(w,  S->name);
1214                     wrbuf_puts(w, "\"");
1215                     wrbuf_puts(w, " value=\"");
1216                     wrbuf_xmlputs(w, S->value);
1217                     wrbuf_puts(w, "\"");
1218                     if (S->target) {
1219                         wrbuf_puts(w, " target=\"");
1220                         wrbuf_xmlputs(w, S->target);
1221                         wrbuf_puts(w, "\"");
1222                     }
1223
1224                     wrbuf_puts(w, " />\n");
1225
1226                     S = S->next;
1227                 }
1228             }
1229         }
1230         info_service_metadata(s, w);
1231         info_service_databases(s, w);
1232         wrbuf_puts(w, "  </service>");
1233
1234         wrbuf_puts(w, "\n");
1235     }
1236     wrbuf_puts(w, " </services>\n");
1237 }
1238
1239 static int parse_config(struct conf_config *config, xmlNode *root)
1240 {
1241     xmlNode *n;
1242
1243     for (n = root->children; n; n = n->next)
1244     {
1245         if (n->type != XML_ELEMENT_NODE)
1246             continue;
1247         if (!strcmp((const char *) n->name, "server"))
1248         {
1249             struct conf_server *tmp = server_create(config, config->nmem, n);
1250             if (!tmp)
1251                 return -1;
1252             tmp->next = config->servers;
1253             config->servers = tmp;
1254         }
1255         else if (!strcmp((const char *) n->name, "threads"))
1256         {
1257             xmlChar *number = xmlGetProp(n, (xmlChar *) "number");
1258             if (number)
1259             {
1260                 config->no_threads = atoi((const char *) number);
1261                 xmlFree(number);
1262             }
1263         }
1264         else if (!strcmp((const char *) n->name, "file"))
1265         {
1266             xmlChar *path = xmlGetProp(n, (xmlChar *) "path");
1267             if (path)
1268             {
1269                 config->path = nmem_strdup(config->nmem, (const char *) path);
1270                 xmlFree(path);
1271             }
1272         }
1273         else if (!strcmp((const char *) n->name, "targetprofiles"))
1274         {
1275             yaz_log(YLOG_FATAL, "targetprofiles unsupported here. Must be part of service");
1276             return -1;
1277
1278         }
1279         else
1280         {
1281             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
1282             return -1;
1283         }
1284     }
1285     return 0;
1286 }
1287
1288 struct conf_config *config_create(const char *fname)
1289 {
1290     xmlDoc *doc = xmlReadFile(fname,
1291                               NULL,
1292                               XML_PARSE_XINCLUDE
1293                               + XML_PARSE_NSCLEAN + XML_PARSE_NONET);
1294     xmlNode *n;
1295     const char *p;
1296     int r;
1297     NMEM nmem = nmem_create();
1298     struct conf_config *config = nmem_malloc(nmem, sizeof(struct conf_config));
1299
1300     xmlSubstituteEntitiesDefault(1);
1301     xmlLoadExtDtdDefaultValue = 1;
1302     if (!doc)
1303     {
1304         yaz_log(YLOG_FATAL, "Failed to read %s", fname);
1305         nmem_destroy(nmem);
1306         return 0;
1307     }
1308
1309     // Perform XInclude.
1310     r = xmlXIncludeProcess(doc);
1311     if (r == -1)
1312     {
1313         yaz_log(YLOG_FATAL, "XInclude processing failed");
1314         return 0;
1315     }
1316
1317     config->nmem = nmem;
1318     config->servers = 0;
1319     config->path = nmem_strdup(nmem, ".");
1320     config->no_threads = 0;
1321     config->iochan_man = 0;
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 #ifndef WIN32
1342         yaz_log(YLOG_LOG, "Configuration %s after include processing",
1343                 fname);
1344 #if LIBXML_VERSION >= 20600
1345         xmlDocFormatDump(yaz_log_file(), doc, 0);
1346 #else
1347         xmlDocDump(yaz_log_file(), doc);
1348 #endif
1349 #endif
1350         r = parse_config(config, n);
1351     }
1352     xmlFreeDoc(doc);
1353
1354     if (r)
1355     {
1356         config_destroy(config);
1357         return 0;
1358     }
1359     return config;
1360 }
1361
1362 void server_destroy(struct conf_server *server)
1363 {
1364     struct conf_service *s = server->service;
1365     while (s)
1366     {
1367         struct conf_service *s_next = s->next;
1368         service_destroy(s);
1369         s = s_next;
1370     }
1371     pp2_charset_fact_destroy(server->charsets);
1372     http_server_destroy(server->http_server);
1373 }
1374
1375 void config_destroy(struct conf_config *config)
1376 {
1377     if (config)
1378     {
1379         struct conf_server *server = config->servers;
1380         iochan_man_destroy(&config->iochan_man);
1381         while (server)
1382         {
1383             struct conf_server *s_next = server->next;
1384             server_destroy(server);
1385             server = s_next;
1386         }
1387         wrbuf_destroy(config->confdir);
1388         nmem_destroy(config->nmem);
1389     }
1390 }
1391
1392 void config_stop_listeners(struct conf_config *conf)
1393 {
1394     struct conf_server *ser;
1395     for (ser = conf->servers; ser; ser = ser->next)
1396         http_close_server(ser);
1397 }
1398
1399 void config_process_events(struct conf_config *conf)
1400 {
1401     struct conf_server *ser;
1402
1403     for (ser = conf->servers; ser; ser = ser->next)
1404     {
1405         struct conf_service *s = ser->service;
1406
1407         for (;s ; s = s->next)
1408         {
1409             assert(s->mutex == 0);
1410             pazpar2_mutex_create(&s->mutex, "service");
1411         }
1412         http_mutex_init(ser);
1413     }
1414     iochan_man_events(conf->iochan_man);
1415 }
1416
1417 int config_start_listeners(struct conf_config *conf,
1418                            const char *listener_override,
1419                            const char *record_fname)
1420 {
1421     struct conf_server *ser;
1422
1423     conf->iochan_man = iochan_man_create(conf->no_threads);
1424     for (ser = conf->servers; ser; ser = ser->next)
1425     {
1426         WRBUF w;
1427         int r;
1428
1429         ser->iochan_man = conf->iochan_man;
1430         if (listener_override)
1431         {
1432             const char *cp = strrchr(listener_override, ':');
1433             if (cp)
1434             {
1435                 ser->host = nmem_strdupn(conf->nmem, listener_override,
1436                                          cp - listener_override);
1437                 ser->port = nmem_strdup(conf->nmem, cp + 1);
1438             }
1439             else
1440             {
1441                 ser->host = "@";
1442                 ser->port = nmem_strdup(conf->nmem, listener_override);
1443             }
1444             listener_override = 0; /* only first server is overriden */
1445         }
1446         r = http_init(ser, record_fname);
1447         if (r)
1448             return -1;
1449
1450         w = wrbuf_alloc();
1451         if (ser->proxy_host || ser->proxy_port)
1452         {
1453             if (ser->proxy_host)
1454                 wrbuf_puts(w, ser->proxy_host);
1455             if (ser->proxy_port)
1456             {
1457                 if (wrbuf_len(w))
1458                     wrbuf_puts(w, ":");
1459                 wrbuf_printf(w, "%d", ser->proxy_port);
1460             }
1461         }
1462         if (wrbuf_len(w))
1463             http_set_proxyaddr(wrbuf_cstr(w), ser);
1464         wrbuf_destroy(w);
1465     }
1466     return 0;
1467 }
1468
1469 /*
1470  * Local variables:
1471  * c-basic-offset: 4
1472  * c-file-style: "Stroustrup"
1473  * indent-tabs-mode: nil
1474  * End:
1475  * vim: shiftwidth=4 tabstop=8 expandtab
1476  */
1477