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