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import Op, PureOp, Constant, Input, T, Array, sig, const, any from require 'alv.base'
import new_message, add_item, Message from require 'alv-lib._osc'
import dns, udp from require 'socket'
losc = require 'losc'
losc_Pattern = require 'losc.pattern'
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
port: Input.hot port
host: Input.hot host or Constant.str '*'
io: Input.hot T['osc/in']\mk_evt!
@setup_out '!', T['osc/in']
poll: =>
if @inputs.io.result\dirty! return
messages = while true
data = @state\receive!
break unless data
ok, msg = pcall Message.unpack, data
if not ok
print "invalid OSC message:", msg
continue
msg
if #messages > 0
@inputs.io.result\set messages
true
tick: =>
if @inputs.port\dirty! or @inputs.host\dirty!
@state = with udp!
\settimeout 0
\setoption 'reuseaddr', true
\setoption 'reuseport', true
assert \setsockname @inputs.host!, @inputs.port!
if msgs = @inputs.io!
@out\set msgs
dump = 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']
setup: (inputs, scope) =>
messages = full_pattern\match inputs
super Input.hot messages or scope\get '*oscin*'
tick: =>
messages = @unwrap_all!
for msg in *(messages or {})
print msg.address, msg.types, table.unpack msg
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 + -const.str
setup: (inputs, scope) =>
{ messages, path, types } = full_pattern\match inputs
types = types or Constant.str 'f'
super
messages: Input.hot messages or scope\get '*oscin*'
path: Input.cold path
types: Input.cold types
@state, type = @get_type types.result!
@setup_out '!', type
tick: =>
{ :messages, :path, :types } = @unwrap_all!
for msg in *(messages or {})
continue if msg.address != path
continue if msg.types != types
continue if @out\dirty!
if @state
@out\set [v for v in *msg]
else
@out\set msg[1]
break
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 > 1
true, Array #types, typ
else
false, 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'] + any.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.hot 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
:dump
'recv!': recv_evt
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