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import Op, PureOp, Constant, Input, T, Array, sig, const, any from require 'alv.base'
import new_message, add_item from require 'alv-lib._osc'
import dns, udp from require 'socket'
losc = require 'losc'
losc_Pattern = require 'losc.pattern'
class LoscPlugin
new: (host, port) =>
@handle = udp!
assert @handle\setsockname host, port
@handle\settimeout 0
poll: =>
data = @handle\receive!
if data
losc_Pattern.dispatch data, @
close: => @handle\close!
unpack or= table.unpack
connect = Constant.meta
meta:
name: 'connect'
summary: "Create a UDP remote."
examples: { '(osc/connect host port)' }
value: class extends Op
pattern = sig.str + sig.num
setup: (inputs) =>
{ host, port } = pattern\match inputs
super
host: Input.hot host
port: Input.hot port
@setup_out '~', T['osc/out']
tick: =>
{ :host, :port } = @unwrap_all!
ip = dns.toip host
@out\set with sock = udp!
\setpeername ip, port
listen = Constant.meta
meta:
name: 'listen'
summary: "Create a UDP server."
examples: { '(osc/listen port bind-addr)' }
value: class extends Op
pattern = sig.num + -sig.str
setup: (inputs) =>
{ port, host } = pattern\match inputs
super
host: Input.hot host or Constant.str ''
port: Input.hot port
@setup_out '~', T['osc/in']
tick: =>
{ :host, :port } = @unwrap_all!
@out\set with p = losc.new plugin: losc_udp2.new!
print \open host, port
recv_evt = Constant.meta
meta:
name: 'recv!'
summary: "Receive OSC messages."
examples: { '(osc/recv! [socket] path [type-str])' }
value: class extends Op
pattern: any!^0
full_pattern = -sig['osc/in'] + sig.str + sig.str
setup: (inputs, scope) =>
{ port, path, types } = full_pattern\match inputs
types = types or Constant.str 'f'
super
port: Input.hot message or scope\get '*oscin*'
path: Input.hot path
types: Input.cold types
io: Input.hot (@get_type types.result!)\mk_evt!
@setup_out '!', @get_type types.result!
@state or= {}
poll: => @inputs.io\dirty!
handler: (data) =>
{ :message } = data
print "handler called", message
types = @inputs.types!
assert types == message\types!
if @out\type!.__class == Array
@inputs.io.result\set message\args!
else
@inputs.io.result\set message[1]
tick: =>
if @inputs.port\dirty! or @inputs.path\dirty!
@state.port\remove_handler @state.path if @state.port
print "del handler", @state.path
@state.port, @state.path = @inputs.port!, @inputs.path!
@state.port\add_handler @state.path, @\handler
print "add handler", @state.path
if @inputs.io\dirty!
@out\set @inputs.io!
destroy: => if @state then @state.port\remove_handler @state.path
get_type: (types) =>
types = types\gsub '[%[%]]', ''
first = types\sub 1, 1
assert first, "empty type string"
for i=2, #types
assert first == (types\sub i, 1), "mixed types in array"
typ = switch first
when 'f', 'i' then T.num
when 's', 'S', 'c' then T.str
when 'T', 'F' then T.bool
when 'I' then T.bang
else error "unknown typetag"
if #types
Array #types, typ
else
typ
send = Constant.meta
meta:
name: 'send'
summary: "Send an OSC message."
examples: { '(osc/send [socket] path val…)' }
description: "Sends an OSC message to `path` with `val…` as arguments.
- `socket` should be a `udp/socket` value. This argument can be omitted and the
value be passed as a dynamic definition in `*oscout*` instead.
- `path` is the OSC path to send the message to. It should be a string-value.
- the arguments can be any type:
- `num` will be sent as `f`
- `str` will be sent as `s`
- `bool` will be sent as `T`/`F`
- `bang` will be sent as `I`
- arrays will be unwrapped
- structs will be sent as a series of key/value tuples
This is a pure op, so between the values at most one !-stream input is allowed."
value: class extends PureOp
pattern: any!^0
full_pattern = -sig['osc/in'] + sig.str + any!^0
setup: (inputs, scope) =>
{ socket, path, values } = full_pattern\match inputs
super values, scope, {
socket: Input.cold socket or scope\get '*oscout*'
path: Input.cold path
}
tick: =>
args = @unwrap_all!
{ :socket, :path } = args
msg = new_message path
for i=1,#args
add_item msg, @inputs[i]\type!, args[i]
socket\send msg.pack msg.content
send_arr = Constant.meta
meta:
name: 'send-arr'
summary: "Send an OSC message using arrays."
examples: { '(osc/send [socket] path val…)' }
description: "Sends an OSC message to `path` with `val…` as arguments.
- `socket` should be a `udp/socket` value. This argument can be omitted and the
value be passed as a dynamic definition in `*oscout*` instead.
- `path` is the OSC path to send the message to. It should be a string-value.
- the arguments can be any type:
- `num` will be sent as `f`
- `str` will be sent as `s`
- `bool` will be sent as `T`/`F`
- `bang` will be sent as `T`
- arrays will be sent as a series of values surrounded by `[…]`
- structs will be sent as a series of key (`s`)/value tuples surrounded by `[…]`
This is a pure op, so between the values at most one !-stream input is allowed."
value: class extends PureOp
pattern: any!^0
full_pattern = -sig['udp/out'] + sig.str + any!^0
setup: (inputs, scope) =>
{ socket, path, values } = full_pattern\match inputs
super values, scope, {
socket: Input.cold socket or scope\get '*oscout*'
path: Input.cold path
}
tick: =>
args = @unwrap_all!
{ :socket, :path } = args
msg = new_message path
for i=1,#args
add_item msg, @inputs[i]\type!, args[i], true
socket\send msg.pack msg.content
Constant.meta
meta:
name: 'osc'
summary: "OSC integration."
value:
:connect
:listen
:send
:sync
'recv!': recv_evt
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