src/resolve/resolved-dnssd.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #pragma once
   4
   5 #include "list.h"
   6 #include "resolved-conf.h"
   7
   8 typedef struct DnssdService DnssdService;
   9 typedef struct DnssdTxtData DnssdTxtData;
  10
  11 typedef struct Manager Manager;
  12 typedef struct DnsResourceRecord DnsResourceRecord;
  13 typedef struct DnsTxtItem DnsTxtItem;
  14
  15 enum {
  16         DNS_TXT_ITEM_TEXT,
  17         DNS_TXT_ITEM_DATA,
  18 };
  19
  20 struct DnssdTxtData {
  21         DnsResourceRecord *rr;
  22
  23         LIST_HEAD(DnsTxtItem, txts);
  24
  25         LIST_FIELDS(DnssdTxtData, items);
  26 };
  27
  28 struct DnssdService {
  29         char *filename;
  30         char *name;
  31         char *name_template;
  32         char *type;
  33         char *subtype;
  34         uint16_t port;
  35         uint16_t priority;
  36         uint16_t weight;
  37
  38         DnsResourceRecord *ptr_rr;
  39         DnsResourceRecord *sub_ptr_rr;
  40         DnsResourceRecord *srv_rr;
  41
  42         /* Section 6.8 of RFC 6763 allows having service
  43          * instances with multiple TXT resource records. */
  44         LIST_HEAD(DnssdTxtData, txt_data_items);
  45
  46         Manager *manager;
  47
  48         /* Services registered via D-Bus are not removed on reload */
  49         ResolveConfigSource config_source;
  50
  51         bool withdrawn:1;
  52         uid_t originator;
  53 };
  54
  55 DnssdService *dnssd_service_free(DnssdService *service);
  56 DnssdTxtData *dnssd_txtdata_free(DnssdTxtData *txt_data);
  57 DnssdTxtData *dnssd_txtdata_free_all(DnssdTxtData *txt_data);
  58 void dnssd_service_clear_on_reload(Hashmap *services);
  59
  60 DEFINE_TRIVIAL_CLEANUP_FUNC(DnssdService*, dnssd_service_free);
  61 DEFINE_TRIVIAL_CLEANUP_FUNC(DnssdTxtData*, dnssd_txtdata_free);
  62
  63 int dnssd_render_instance_name(Manager *m, DnssdService *s, char **ret);
  64 int dnssd_load(Manager *manager);
  65 int dnssd_txt_item_new_from_string(const char *key, const char *value, DnsTxtItem **ret_item);
  66 int dnssd_txt_item_new_from_data(const char *key, const void *value, const size_t size, DnsTxtItem **ret_item);
  67 int dnssd_update_rrs(DnssdService *s);
  68 int dnssd_signal_conflict(Manager *manager, const char *name);