src/resolve/resolved-dnssd.h

   1 #pragma once
   2
   3 /***
   4   This file is part of systemd.
   5
   6   Copyright 2017 Dmitry Rozhkov
   7 ***/
   8
   9 #include "list.h"
  10
  11 typedef struct DnssdService DnssdService;
  12 typedef struct DnssdTxtData DnssdTxtData;
  13
  14 typedef struct Manager Manager;
  15 typedef struct DnsResourceRecord DnsResourceRecord;
  16 typedef struct DnsTxtItem DnsTxtItem;
  17
  18 enum {
  19         DNS_TXT_ITEM_TEXT,
  20         DNS_TXT_ITEM_DATA
  21 };
  22
  23 struct DnssdTxtData {
  24         DnsResourceRecord *rr;
  25
  26         LIST_HEAD(DnsTxtItem, txt);
  27
  28         LIST_FIELDS(DnssdTxtData, items);
  29 };
  30
  31 struct DnssdService {
  32         char *filename;
  33         char *name;
  34         char *name_template;
  35         char *type;
  36         uint16_t port;
  37         uint16_t priority;
  38         uint16_t weight;
  39
  40         DnsResourceRecord *ptr_rr;
  41         DnsResourceRecord *srv_rr;
  42
  43         /* Section 6.8 of RFC 6763 allows having service
  44          * instances with multiple TXT resource records. */
  45         LIST_HEAD(DnssdTxtData, txt_data_items);
  46
  47         Manager *manager;
  48
  49         bool withdrawn:1;
  50         uid_t originator;
  51 };
  52
  53 DnssdService *dnssd_service_free(DnssdService *service);
  54 DnssdTxtData *dnssd_txtdata_free(DnssdTxtData *txt_data);
  55 DnssdTxtData *dnssd_txtdata_free_all(DnssdTxtData *txt_data);
  56
  57 DEFINE_TRIVIAL_CLEANUP_FUNC(DnssdService*, dnssd_service_free);
  58 DEFINE_TRIVIAL_CLEANUP_FUNC(DnssdTxtData*, dnssd_txtdata_free);
  59
  60 int dnssd_render_instance_name(DnssdService *s, char **ret_name);
  61 int dnssd_load(Manager *manager);
  62 int dnssd_txt_item_new_from_string(const char *key, const char *value, DnsTxtItem **ret_item);
  63 int dnssd_txt_item_new_from_data(const char *key, const void *value, const size_t size, DnsTxtItem **ret_item);
  64 int dnssd_update_rrs(DnssdService *s);
  65 void dnssd_signal_conflict(Manager *manager, const char *name);