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             if (!service->charsets)
 643                 service->charsets = pp2_charset_fact_create();
 644             if (pp2_charset_fact_define(service->charsets, n,
 645                                         (const char *) n->name))
 646             {
 647                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 648                 return 0;
 649             }
 650         }
 651         else if (!strcmp((const char *) n->name, (const char *) "metadata"))
 652         {
 653             if (n->children) // This is a <metadata> container, look at its content.
 654             {
 655                 xmlNode *m;
 656                 for (m = n->children; m; m = m->next)
 657                     if ((!strcmp((const char *) m->name, (const char *) "metadata")))
 658                         if (parse_metadata(service, m, &md_node, &sk_node))
 659                             return 0;
 660             }
 661             else // This is a metadata-element proper, count it right away.
 662                 if (parse_metadata(service, n, &md_node, &sk_node))
 663                     return 0;
 664         }
 665         else if (!strcmp((const char *) n->name, (const char *) "xslt"))
 666         {
 667             if (service_xslt_config(service, n))
 668                 return 0;
 669         }
 670         else if (!strcmp((const char *) n->name, "rank"))
 671         {
 672             char *rank_cluster = (char *) xmlGetProp(n, (xmlChar *) "cluster");
 673             char *rank_debug = (char *) xmlGetProp(n, (xmlChar *) "debug");
 674             char *rank_follow = (char *) xmlGetProp(n, (xmlChar *) "follow");
 675             char *rank_lead = (char *) xmlGetProp(n, (xmlChar *) "lead");
 676             char *rank_length= (char *) xmlGetProp(n, (xmlChar *) "length");
 677             if (rank_cluster)
 678             {
 679                 if (!strcmp(rank_cluster, "yes"))
 680                     service->rank_cluster = 1;
 681                 else if (!strcmp(rank_cluster, "no"))
 682                     service->rank_cluster = 0;
 683                 else
 684                 {
 685                     yaz_log(YLOG_FATAL, "service: rank@cluster boolean");
 686                     return 0;
 687                 }
 688             }
 689             if (rank_debug)
 690             {
 691                 if (!strcmp(rank_debug, "yes"))
 692                     service->rank_debug = 1;
 693                 else if (!strcmp(rank_debug, "no"))
 694                     service->rank_debug = 0;
 695                 else
 696                 {
 697                     yaz_log(YLOG_FATAL, "service: rank@debug boolean");
 698                     return 0;
 699                 }
 700             }
 701             if (rank_follow)
 702             {
 703                 service->rank_follow = atof(rank_follow);
 704             }
 705             if (rank_lead)
 706             {
 707                 service->rank_lead = atof(rank_lead);
 708             }
 709             if (rank_length)
 710             {
 711                 if (!strcmp(rank_length, "linear"))
 712                     service->rank_length = 2;
 713                 else if (!strcmp(rank_length, "log"))
 714                     service->rank_length = 1;
 715                 else if (!strcmp(rank_length, "none"))
 716                     service->rank_length = 0;
 717                 else
 718                 {
 719                     yaz_log(YLOG_FATAL, "service: rank@length linear|log|none");
 720                     return 0;
 721                 }
 722             }
 723             xmlFree(rank_cluster);
 724             xmlFree(rank_debug);
 725             xmlFree(rank_follow);
 726             xmlFree(rank_lead);
 727             xmlFree(rank_length);
 728         }
 729         else if (!strcmp((const char *) n->name, "sort-default"))
 730         {
 731             char *default_sort = (char *) xmlGetProp(n, (xmlChar *) "field");
 732
 733             if (default_sort && strcmp(default_sort, "")) {
 734                 service->default_sort = nmem_strdup(service->nmem, default_sort);
 735                 yaz_log(YLOG_LOG, "service %s: default sort order configured to: %s",
 736                         service_id ? service_id : "unnamed", default_sort);
 737             }
 738             else
 739             {
 740                 yaz_log(YLOG_FATAL, "default sort order is invalid: %s", default_sort);
 741                 return 0;
 742             }
 743             xmlFree(default_sort);
 744         }
 745         else
 746         {
 747             char tmp[80];
 748             yaz_log(YLOG_FATAL, "Bad element: %s . Context: %s", n->name,
 749                     xml_context(n, tmp, sizeof tmp));
 750             return 0;
 751         }
 752     }
 753     if (got_settings)
 754     {
 755         int pass;
 756         /* metadata has been read.. Consider now settings */
 757         init_settings(service);
 758         for (pass = 1; pass <= 2; pass++)
 759         {
 760             for (n = node->children; n; n = n->next)
 761             {
 762                 if (n->type != XML_ELEMENT_NODE)
 763                     continue;
 764                 if (!strcmp((const char *) n->name, "settings"))
 765                 {
 766                     int ret;
 767                     xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
 768                     if (src)
 769                     {
 770                         WRBUF w = wrbuf_alloc();
 771                         conf_dir_path(server->config, w, (const char *) src);
 772                         ret = settings_read_file(service, wrbuf_cstr(w), pass);
 773                         wrbuf_destroy(w);
 774                         xmlFree(src);
 775                     }
 776                     else
 777                     {
 778                         ret = settings_read_node(service, n, pass);
 779                     }
 780                     if (ret)
 781                         return 0;
 782                 }
 783             }
 784         }
 785     }
 786
 787     {
 788         xmlBufferPtr buf = xmlBufferCreate();
 789         xmlNodeDump(buf, node->doc, node, 0, 0);
 790         service->xml_node =
 791             nmem_strdupn(service->nmem, (const char *) buf->content, buf->use);
 792         xmlBufferFree(buf);
 793     }
 794     return service;
 795 }
 796
 797 static int inherit_server_settings(struct conf_service *s)
 798 {
 799     int ret = 0;
 800     struct conf_server *server = s->server;
 801     if (!s->dictionary) /* service has no config settings ? */
 802     {
 803         if (server->settings_fname)
 804         {
 805             /* inherit settings from server */
 806             init_settings(s);
 807             if (settings_read_file(s, server->settings_fname, 1))
 808                 ret = -1;
 809             if (settings_read_file(s, server->settings_fname, 2))
 810                 ret = -1;
 811         }
 812         else
 813         {
 814             yaz_log(YLOG_WARN, "server '%s' has no settings", s->id ? s->id : "unnamed");
 815             init_settings(s);
 816         }
 817     }
 818
 819     /* use relevance/sort/mergekey/facet from server if not defined
 820        for this service.. */
 821     if (!s->charsets)
 822     {
 823         if (server->charsets)
 824         {
 825             s->charsets = server->charsets;
 826             pp2_charset_fact_incref(s->charsets);
 827         }
 828         else
 829         {
 830             s->charsets = pp2_charset_fact_create();
 831         }
 832     }
 833     return ret;
 834 }
 835
 836 struct conf_service *service_create(struct conf_server *server,
 837                                     xmlNode *node)
 838 {
 839     struct conf_service *service = service_create_static(server, node, 0);
 840     if (service)
 841     {
 842         inherit_server_settings(service);
 843         assert(service->mutex == 0);
 844         pazpar2_mutex_create(&service->mutex, "conf");
 845     }
 846     return service;
 847 }
 848
 849 static struct conf_server *server_create(struct conf_config *config,
 850                                          NMEM nmem, xmlNode *node)
 851 {
 852     xmlNode *n;
 853     struct conf_server *server = nmem_malloc(nmem, sizeof(struct conf_server));
 854     xmlChar *server_id = xmlGetProp(node, (xmlChar *) "id");
 855
 856     server->host = "@";
 857     server->port = 0;
 858     server->proxy_host = 0;
 859     server->proxy_port = 0;
 860     server->myurl = 0;
 861     server->service = 0;
 862     server->config = config;
 863     server->next = 0;
 864     server->charsets = 0;
 865     server->http_server = 0;
 866     server->iochan_man = 0;
 867     server->database_hosts = config->database_hosts;
 868     server->settings_fname = 0;
 869
 870     if (server_id)
 871     {
 872         server->server_id = nmem_strdup(nmem, (const char *)server_id);
 873         xmlFree(server_id);
 874     }
 875     else
 876         server->server_id = 0;
 877     for (n = node->children; n; n = n->next)
 878     {
 879         if (n->type != XML_ELEMENT_NODE)
 880             continue;
 881         if (!strcmp((const char *) n->name, "listen"))
 882         {
 883             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 884             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 885
 886             if (port)
 887                 server->port = nmem_strdup(nmem, (const char *) port);
 888             if (host)
 889                 server->host = nmem_strdup(nmem, (const char *) host);
 890
 891             xmlFree(port);
 892             xmlFree(host);
 893         }
 894         else if (!strcmp((const char *) n->name, "proxy"))
 895         {
 896             xmlChar *port = xmlGetProp(n, (xmlChar *) "port");
 897             xmlChar *host = xmlGetProp(n, (xmlChar *) "host");
 898             xmlChar *myurl = xmlGetProp(n, (xmlChar *) "myurl");
 899             if (port)
 900                 server->proxy_port = atoi((const char *) port);
 901             if (host)
 902                 server->proxy_host = nmem_strdup(nmem, (const char *) host);
 903             if (myurl)
 904                 server->myurl = nmem_strdup(nmem, (const char *) myurl);
 905             xmlFree(port);
 906             xmlFree(host);
 907             xmlFree(myurl);
 908         }
 909         else if (!strcmp((const char *) n->name, "settings"))
 910         {
 911             xmlChar *src = xmlGetProp(n, (xmlChar *) "src");
 912             WRBUF w;
 913             if (!src)
 914             {
 915                 yaz_log(YLOG_FATAL, "Missing src attribute for settings");
 916                 return 0;
 917             }
 918             if (server->settings_fname)
 919             {
 920                 xmlFree(src);
 921                 yaz_log(YLOG_FATAL, "Can't repeat 'settings'");
 922                 return 0;
 923             }
 924             w = wrbuf_alloc();
 925             conf_dir_path(config, w, (const char *) src);
 926             server->settings_fname = nmem_strdup(nmem, wrbuf_cstr(w));
 927             wrbuf_destroy(w);
 928             xmlFree(src);
 929         }
 930         else if (!strcmp((const char *) n->name, "icu_chain"))
 931         {
 932             if (!server->charsets)
 933                 server->charsets = pp2_charset_fact_create();
 934             if (pp2_charset_fact_define(server->charsets, n, 0))
 935             {
 936                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 937                 return 0;
 938             }
 939         }
 940         else if (!strcmp((const char *) n->name, "relevance")
 941                  || !strcmp((const char *) n->name, "sort")
 942                  || !strcmp((const char *) n->name, "mergekey")
 943                  || !strcmp((const char *) n->name, "facet"))
 944         {
 945             if (!server->charsets)
 946                 server->charsets = pp2_charset_fact_create();
 947             if (pp2_charset_fact_define(server->charsets, n,
 948                                         (const char *) n->name))
 949             {
 950                 yaz_log(YLOG_FATAL, "ICU chain definition error");
 951                 return 0;
 952             }
 953         }
 954         else if (!strcmp((const char *) n->name, "service"))
 955         {
 956             char *service_id = (char *)
 957                 xmlGetProp(n, (xmlChar *) "id");
 958
 959             struct conf_service **sp = &server->service;
 960             for (; *sp; sp = &(*sp)->next)
 961                 if ((*sp)->id && service_id &&
 962                     0 == strcmp((*sp)->id, service_id))
 963                 {
 964                     yaz_log(YLOG_FATAL, "Duplicate service: %s", service_id);
 965                     break;
 966                 }
 967                 else if (!(*sp)->id && !service_id)
 968                 {
 969                     yaz_log(YLOG_FATAL, "Duplicate unnamed service");
 970                     break;
 971                 }
 972
 973             if (*sp)  /* service already exist */
 974             {
 975                 xmlFree(service_id);
 976                 return 0;
 977             }
 978             else
 979             {
 980                 struct conf_service *s = service_create_static(server, n,
 981                                                                service_id);
 982                 xmlFree(service_id);
 983                 if (!s)
 984                     return 0;
 985                 *sp = s;
 986             }
 987         }
 988         else
 989         {
 990             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
 991             return 0;
 992         }
 993     }
 994     if (!server->port)
 995     {
 996         yaz_log(YLOG_FATAL, "No listening port given");
 997         return 0;
 998     }
 999     if (server->service)
1000     {
1001         struct conf_service *s;
1002         for (s = server->service; s; s = s->next)
1003             inherit_server_settings(s);
1004     }
1005     return server;
1006 }
1007
1008 WRBUF conf_get_fname(struct conf_config *config, const char *fname)
1009 {
1010     WRBUF w = wrbuf_alloc();
1011
1012     conf_dir_path(config, w, fname);
1013     return w;
1014 }
1015
1016 struct conf_service *locate_service(struct conf_server *server,
1017                                     const char *service_id)
1018 {
1019     struct conf_service *s = server->service;
1020     for (; s; s = s->next)
1021         if (s->id && service_id && 0 == strcmp(s->id, service_id))
1022             break;
1023         else if (!s->id && !service_id)
1024             break;
1025     if (s)
1026         service_incref(s);
1027     return s;
1028 }
1029
1030 static void info_service_metadata(struct conf_service *service, WRBUF w)
1031 {
1032     int i;
1033     struct conf_metadata *md;
1034
1035     if (service->num_metadata)
1036     {
1037         for (i = 0; i < service->num_metadata; i++)
1038         {
1039             md = &(service->metadata[i]);
1040             wrbuf_puts(w, "   <metadata");
1041             if (md->name) {
1042                 wrbuf_puts(w, " name=\"");
1043                 wrbuf_xmlputs(w, md->name);
1044                 wrbuf_puts(w, "\"");
1045             }
1046             if (md->brief) {
1047                 wrbuf_puts(w, " brief=\"yes\"");
1048             }
1049             if (md->termlist) {
1050                 wrbuf_puts(w, " termlist=\"yes\"");
1051             }
1052             if (md->rank) {
1053                 wrbuf_puts(w, " rank=\"");
1054                 wrbuf_xmlputs(w, md->rank);
1055                 wrbuf_puts(w, "\"");
1056             }
1057             if (md->sortkey_offset > 0) {
1058                 wrbuf_puts(w, " sortkey=\"");
1059                 switch (service->sortkeys[md->sortkey_offset].type)
1060                 {
1061                 case Metadata_type_relevance:
1062                     wrbuf_puts(w, "relevance");
1063                     break;
1064                 case Metadata_type_skiparticle:
1065                     wrbuf_puts(w, "skiparticle");
1066                     break;
1067                 case Metadata_type_position:
1068                     wrbuf_puts(w, "position");
1069                     break;
1070                 default:
1071                     wrbuf_puts(w, "yes");
1072                     break;
1073                 }
1074                 wrbuf_puts(w, "\"");
1075             }
1076             switch (md->type)
1077             {
1078             case Metadata_type_generic:
1079             case Metadata_type_skiparticle:
1080                 break;
1081             case Metadata_type_year:
1082                 wrbuf_puts(w, " type=\"year\"");
1083                 break;
1084             case Metadata_type_date:
1085                 wrbuf_puts(w, " type=\"date\"");
1086                 break;
1087             case Metadata_type_float:
1088                 wrbuf_puts(w, " type=\"float\"");
1089                 break;
1090             case Metadata_type_relevance:
1091             case Metadata_type_position:
1092                 break;
1093             }
1094             switch (md->merge)
1095             {
1096             case Metadata_merge_no:
1097                 break;
1098             case Metadata_merge_unique:
1099                 wrbuf_puts(w, " merge=\"unique\"");
1100                 break;
1101             case Metadata_merge_longest:
1102                 wrbuf_puts(w, " merge=\"longest\"");
1103                 break;
1104             case Metadata_merge_range:
1105                 wrbuf_puts(w, " merge=\"range\"");
1106                 break;
1107             case Metadata_merge_all:
1108                 wrbuf_puts(w, " merge=\"all\"");
1109                 break;
1110             case Metadata_merge_first:
1111                 wrbuf_puts(w, " merge=\"first\"");
1112                 break;
1113             }
1114             switch (md->mergekey)
1115             {
1116             case Metadata_mergekey_no:
1117                 break;
1118             case Metadata_mergekey_optional:
1119                 wrbuf_puts(w, " mergekey=\"optional\"");
1120                 break;
1121             case Metadata_mergekey_required:
1122                 wrbuf_puts(w, " mergekey=\"required\"");
1123                 break;
1124             }
1125             wrbuf_puts(w, " />\n");
1126         }
1127     }
1128 }
1129
1130 static void info_service_databases(struct conf_service *service, WRBUF w)
1131 {
1132     struct database *db;
1133     struct setting *s;
1134     int i;
1135
1136     if (service->databases)
1137     {
1138         wrbuf_puts(w, "   <databases>\n");
1139         for(db = service->databases; db; db = db->next)
1140         {
1141             wrbuf_puts(w, "    <database");
1142             if (db->id)
1143             {
1144                 wrbuf_puts(w, " id=\"");
1145                 wrbuf_printf(w, "%s", db->id);
1146                 wrbuf_puts(w, "\"");
1147             }
1148             wrbuf_puts(w, ">\n");
1149             for (i = 0; i < db->num_settings; i++)
1150             {
1151                 s = db->settings[i];
1152                 while (s != NULL)
1153                 {
1154                     wrbuf_puts(w, "     <setting");
1155                     wrbuf_puts(w, " name=\"");
1156                     wrbuf_xmlputs(w, s->name);
1157                     wrbuf_puts(w, "\"");
1158                     wrbuf_puts(w, " value=\"");
1159                     wrbuf_xmlputs(w, s->value);
1160                     wrbuf_puts(w, "\"");
1161                     wrbuf_puts(w, " />\n");
1162                     s = s->next;
1163                 }
1164             }
1165             wrbuf_puts(w, "    </database>\n");
1166         }
1167         wrbuf_puts(w, "   </databases>\n");
1168     }
1169 }
1170
1171 void info_services(struct conf_server *server, WRBUF w)
1172 {
1173     struct conf_service *s = server->service;
1174     int i;
1175     struct setting *S;
1176
1177     wrbuf_puts(w, " <services>\n");
1178     for (; s; s = s->next)
1179     {
1180         wrbuf_puts(w, "  <service");
1181         if (s->id)
1182         {
1183             wrbuf_puts(w, " id=\"");
1184             wrbuf_xmlputs(w, s->id);
1185             wrbuf_puts(w, "\"");
1186         }
1187         wrbuf_puts(w, ">\n");
1188         if (s->settings)
1189         {
1190             for (i=0; i<s->settings->num_settings; i++)
1191             {
1192                 S = s->settings->settings[i];
1193                 while (S != NULL) {
1194                     wrbuf_puts(w, "   <setting");
1195                     wrbuf_puts(w, " name=\"");
1196                     wrbuf_xmlputs(w,  S->name);
1197                     wrbuf_puts(w, "\"");
1198                     wrbuf_puts(w, " value=\"");
1199                     wrbuf_xmlputs(w, S->value);
1200                     wrbuf_puts(w, "\"");
1201                     if (S->target) {
1202                         wrbuf_puts(w, " target=\"");
1203                         wrbuf_xmlputs(w, S->target);
1204                         wrbuf_puts(w, "\"");
1205                     }
1206
1207                     wrbuf_puts(w, " />\n");
1208
1209                     S = S->next;
1210                 }
1211             }
1212         }
1213         info_service_metadata(s, w);
1214         info_service_databases(s, w);
1215         wrbuf_puts(w, "  </service>");
1216
1217         wrbuf_puts(w, "\n");
1218     }
1219     wrbuf_puts(w, " </services>\n");
1220 }
1221
1222 static int parse_config(struct conf_config *config, xmlNode *root)
1223 {
1224     xmlNode *n;
1225
1226     for (n = root->children; n; n = n->next)
1227     {
1228         if (n->type != XML_ELEMENT_NODE)
1229             continue;
1230         if (!strcmp((const char *) n->name, "server"))
1231         {
1232             struct conf_server *tmp = server_create(config, config->nmem, n);
1233             if (!tmp)
1234                 return -1;
1235             tmp->next = config->servers;
1236             config->servers = tmp;
1237         }
1238         else if (!strcmp((const char *) n->name, "threads"))
1239         {
1240             xmlChar *number = xmlGetProp(n, (xmlChar *) "number");
1241             if (number)
1242             {
1243                 config->no_threads = atoi((const char *) number);
1244                 xmlFree(number);
1245             }
1246         }
1247         else if (!strcmp((const char *) n->name, "targetprofiles"))
1248         {
1249             yaz_log(YLOG_FATAL, "targetprofiles unsupported here. Must be part of service");
1250             return -1;
1251
1252         }
1253         else
1254         {
1255             yaz_log(YLOG_FATAL, "Bad element: %s", n->name);
1256             return -1;
1257         }
1258     }
1259     return 0;
1260 }
1261
1262 struct conf_config *config_create(const char *fname, int verbose)
1263 {
1264     xmlDoc *doc = xmlReadFile(fname,
1265                               NULL,
1266                               XML_PARSE_XINCLUDE
1267                               + XML_PARSE_NSCLEAN + XML_PARSE_NONET);
1268     xmlNode *n;
1269     const char *p;
1270     int r;
1271     NMEM nmem = nmem_create();
1272     struct conf_config *config = nmem_malloc(nmem, sizeof(struct conf_config));
1273
1274     xmlSubstituteEntitiesDefault(1);
1275     xmlLoadExtDtdDefaultValue = 1;
1276     if (!doc)
1277     {
1278         yaz_log(YLOG_FATAL, "Failed to read %s", fname);
1279         nmem_destroy(nmem);
1280         return 0;
1281     }
1282
1283     // Perform XInclude.
1284     r = xmlXIncludeProcess(doc);
1285     if (r == -1)
1286     {
1287         yaz_log(YLOG_FATAL, "XInclude processing failed");
1288         return 0;
1289     }
1290
1291     config->nmem = nmem;
1292     config->servers = 0;
1293     config->no_threads = 0;
1294     config->iochan_man = 0;
1295     config->database_hosts = database_hosts_create();
1296
1297     config->confdir = wrbuf_alloc();
1298     if ((p = strrchr(fname,
1299 #ifdef WIN32
1300                      '\\'
1301 #else
1302                      '/'
1303 #endif
1304              )))
1305     {
1306         int len = p - fname;
1307         wrbuf_write(config->confdir, fname, len);
1308     }
1309     wrbuf_puts(config->confdir, "");
1310
1311     n = xmlDocGetRootElement(doc);
1312     r = yaz_xml_include_simple(n, wrbuf_cstr(config->confdir));
1313     if (r == 0) /* OK */
1314     {
1315         if (verbose)
1316         {
1317             yaz_log(YLOG_LOG, "Configuration %s after include processing",
1318                     fname);
1319 #if LIBXML_VERSION >= 20600
1320             xmlDocFormatDump(yaz_log_file(), doc, 0);
1321 #else
1322             xmlDocDump(yaz_log_file(), doc);
1323 #endif
1324         }
1325         r = parse_config(config, n);
1326     }
1327     xmlFreeDoc(doc);
1328
1329     if (r)
1330     {
1331         config_destroy(config);
1332         return 0;
1333     }
1334     return config;
1335 }
1336
1337 void server_destroy(struct conf_server *server)
1338 {
1339     struct conf_service *s = server->service;
1340     while (s)
1341     {
1342         struct conf_service *s_next = s->next;
1343         service_destroy(s);
1344         s = s_next;
1345     }
1346     pp2_charset_fact_destroy(server->charsets);
1347     http_server_destroy(server->http_server);
1348 }
1349
1350 void config_destroy(struct conf_config *config)
1351 {
1352     if (config)
1353     {
1354         struct conf_server *server = config->servers;
1355         iochan_man_destroy(&config->iochan_man);
1356         while (server)
1357         {
1358             struct conf_server *s_next = server->next;
1359             server_destroy(server);
1360             server = s_next;
1361             database_hosts_destroy(&config->database_hosts);
1362         }
1363         wrbuf_destroy(config->confdir);
1364         nmem_destroy(config->nmem);
1365     }
1366 }
1367
1368 void config_stop_listeners(struct conf_config *conf)
1369 {
1370     struct conf_server *ser;
1371     for (ser = conf->servers; ser; ser = ser->next)
1372         http_close_server(ser);
1373 }
1374
1375 void config_process_events(struct conf_config *conf)
1376 {
1377     struct conf_server *ser;
1378
1379     for (ser = conf->servers; ser; ser = ser->next)
1380     {
1381         struct conf_service *s = ser->service;
1382
1383         for (;s ; s = s->next)
1384         {
1385             assert(s->mutex == 0);
1386             pazpar2_mutex_create(&s->mutex, "service");
1387         }
1388         http_mutex_init(ser);
1389     }
1390     iochan_man_events(conf->iochan_man);
1391 }
1392
1393 int config_start_listeners(struct conf_config *conf,
1394                            const char *listener_override,
1395                            const char *record_fname)
1396 {
1397     struct conf_server *ser;
1398
1399     conf->iochan_man = iochan_man_create(conf->no_threads);
1400     for (ser = conf->servers; ser; ser = ser->next)
1401     {
1402         WRBUF w;
1403         int r;
1404
1405         ser->iochan_man = conf->iochan_man;
1406         if (listener_override)
1407         {
1408             const char *cp = strrchr(listener_override, ':');
1409             if (cp)
1410             {
1411                 ser->host = nmem_strdupn(conf->nmem, listener_override,
1412                                          cp - listener_override);
1413                 ser->port = nmem_strdup(conf->nmem, cp + 1);
1414             }
1415             else
1416             {
1417                 ser->host = "@";
1418                 ser->port = nmem_strdup(conf->nmem, listener_override);
1419             }
1420             listener_override = 0; /* only first server is overriden */
1421         }
1422         r = http_init(ser, record_fname);
1423         if (r)
1424             return -1;
1425
1426         w = wrbuf_alloc();
1427         if (ser->proxy_host || ser->proxy_port)
1428         {
1429             if (ser->proxy_host)
1430                 wrbuf_puts(w, ser->proxy_host);
1431             if (ser->proxy_port)
1432             {
1433                 if (wrbuf_len(w))
1434                     wrbuf_puts(w, ":");
1435                 wrbuf_printf(w, "%d", ser->proxy_port);
1436             }
1437         }
1438         if (wrbuf_len(w))
1439             http_set_proxyaddr(wrbuf_cstr(w), ser);
1440         wrbuf_destroy(w);
1441     }
1442     return 0;
1443 }
1444
1445 /*
1446  * Local variables:
1447  * c-basic-offset: 4
1448  * c-file-style: "Stroustrup"
1449  * indent-tabs-mode: nil
1450  * End:
1451  * vim: shiftwidth=4 tabstop=8 expandtab
1452  */
1453