src/resolve/resolved-dnssd.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #pragma once
   4
   5 #include "list.h"
   6
   7 typedef struct DnssdService DnssdService;
   8 typedef struct DnssdTxtData DnssdTxtData;
   9
  10 typedef struct Manager Manager;
  11 typedef struct DnsResourceRecord DnsResourceRecord;
  12 typedef struct DnsTxtItem DnsTxtItem;
  13
  14 enum {
  15         DNS_TXT_ITEM_TEXT,
  16         DNS_TXT_ITEM_DATA,
  17 };
  18
  19 struct DnssdTxtData {
  20         DnsResourceRecord *rr;
  21
  22         LIST_HEAD(DnsTxtItem, txts);
  23
  24         LIST_FIELDS(DnssdTxtData, items);
  25 };
  26
  27 struct DnssdService {
  28         char *filename;
  29         char *name;
  30         char *name_template;
  31         char *type;
  32         uint16_t port;
  33         uint16_t priority;
  34         uint16_t weight;
  35
  36         DnsResourceRecord *ptr_rr;
  37         DnsResourceRecord *srv_rr;
  38
  39         /* Section 6.8 of RFC 6763 allows having service
  40          * instances with multiple TXT resource records. */
  41         LIST_HEAD(DnssdTxtData, txt_data_items);
  42
  43         Manager *manager;
  44
  45         bool withdrawn:1;
  46         uid_t originator;
  47 };
  48
  49 DnssdService *dnssd_service_free(DnssdService *service);
  50 DnssdTxtData *dnssd_txtdata_free(DnssdTxtData *txt_data);
  51 DnssdTxtData *dnssd_txtdata_free_all(DnssdTxtData *txt_data);
  52
  53 DEFINE_TRIVIAL_CLEANUP_FUNC(DnssdService*, dnssd_service_free);
  54 DEFINE_TRIVIAL_CLEANUP_FUNC(DnssdTxtData*, dnssd_txtdata_free);
  55
  56 int dnssd_render_instance_name(Manager *m, DnssdService *s, char **ret);
  57 int dnssd_load(Manager *manager);
  58 int dnssd_txt_item_new_from_string(const char *key, const char *value, DnsTxtItem **ret_item);
  59 int dnssd_txt_item_new_from_data(const char *key, const void *value, const size_t size, DnsTxtItem **ret_item);
  60 int dnssd_update_rrs(DnssdService *s);
  61 int dnssd_signal_conflict(Manager *manager, const char *name);