View Source Exagon Zeroconf
Exagon Zerconf module
Exagon Zeronconf provides utilites for interfacing Exagon with Zeronconf devices:
- MDNS server
- DNS-SD service discrovery
installation
Installation
This package can be installed by adding exagon_zeroconf
to your list of dependencies in mix.exs
:
def deps do
[
{:exagon_zeroconf, "~> 0.1.0"}
]
end
integration
Integration
Exagon.Zeronconf
can be used transparently by adding Exagon.Zeroconf.Application
to your application
modules lists in miex.exs
.
def application do
[
extra_applications: [:logger],
mod: {Exagon.Zeroconf.Application, []}
]
end
multicast-dns-server
Multicast DNS server
Exagon.Zeroconf.Mdns.Server
manage Multicast DNS server request/answer.
It is configured to listen on port 5353
on both IPv4 (224.0.0.251
) and/or IPv6 (ff02::fb
).
DNS records found my Exagon.Zeroconf.Mdns.Server
can be requested through Exagon.Zeroconf.Mdns.Server.dump/0
:
Exagon.Zeroconf.Mdns.Server.dump
[
%DNS.Resource{
domain: 'My iPhone._rdlink._tcp.local',
type: 47,
class: :in,
cnt: 0,
ttl: 4500,
data: <<192, 12, 0, 5, 0, 0, 128, 0, 64>>,
tm: :undefined,
bm: [],
func: true
},
%DNS.Resource{
domain: 'My iPhone.local',
type: 47,
class: :in,
cnt: 0,
ttl: 120,
data: <<192, 236, 0, 4, 64, 0, 0, 8>>,
tm: :undefined,
bm: [],
func: true
},
%DNS.Resource{
domain: 'My iPhone.local',
type: :a,
class: :in,
cnt: 0,
ttl: 120,
data: {192, 168, 1, 5},
tm: :undefined,
bm: [],
func: true
},
%DNS.Resource{
domain: 'My iPhone.local',
type: :aaaa,
class: :in,
cnt: 0,
ttl: 120,
data: {8193, 2145, 13574, 1056, 58674, 15752, 37663, 62405},
tm: :undefined,
bm: [],
func: true
},
Exagon.Zeroconf.Mdns.Server.subscribe/0
provides a way to subscribe for notifications about added, changed or removed records.
Notifications use Phoenix PubSub.
configuration
Configuration
config :exagon_zeroconf, :mdns,
port: 5353,
use_ipv4: true,
use_ipv6: false,
hostname: "exagon",
domain_name: ".local"
dns-sd-service-discovery
DNS-SD service Discovery
Exagon.Zeroconf.Mdns.Dnssd
provides DNS service discrovery over multicast DNS.
It uses Exagon.Zeroconf.Mdns.Dnssd.Server
to listen for DNS-SD relevand records and build a list of discovred services.
At anytime, a list of found services is available by calling Exagon.Zeroconf.Mdns.Dnssd.query/1
which accepts an optional domain
parameter:
[
},
%Exagon.Zeroconf.Mdns.Dnssd.Service{
domain: "_smb._tcp.local",
instance_name: "Windows._smb._tcp.local",
ip: nil,
priority: 0,
weight: 0,
port: 445,
target: "Windows.local",
additional_info: nil,
records: [:srv, :txt, :ptr]
},
%Exagon.Zeroconf.Mdns.Dnssd.Service{
domain: "_spotify-connect._tcp.local",
instance_name: "75c62f4dfb4ab9e7._spotify-connect._tcp.local",
ip: {192, 168, 1, 12},
priority: 0,
weight: 0,
port: 39753,
target: "75c62f4dfb4ab9e7.local",
additional_info: %{"cpath" => "/zc/0", "stack" => "SP", "version" => "1.0"},
records: [:txt, :srv, :ptr]
}
]
Exagon.Zeronconf
can also be started manually by adding and starting Exagon.Zeroconf.Supervisor
in your
supervision tree.
Documentation is generated with ExDoc and published at https://hexdocs.pm/exagon_zeroconf.