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broker successfully passing client offers to snowflake proxy (#1)

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This commit is contained in:
Serene Han 2016-01-21 11:40:42 -08:00
parent 0cd6852ad0
commit 7081e6328c
3 changed files with 75 additions and 46 deletions
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48
proxy/snowflake.coffee
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@ -9,6 +9,7 @@ this must always act as the answerer.
###
DEFAULT_WEBSOCKET = '192.81.135.242:9901'
DEFAULT_BROKER = 'https://snowflake-reg.appspot.com/proxy'
COPY_PASTE_ENABLED = false
DEFAULT_PORTS =
http: 80
https: 443
@ -58,7 +59,7 @@ class Snowflake
$badge: null
state: MODE.INIT
constructor: ->
constructor: (@broker) ->
if HEADLESS
# No badge
else if DEBUG
@ -98,6 +99,27 @@ class Snowflake
@makeProxyPair @relayAddr
@proxyPair = @proxyPairs[0]
# Poll broker for clients.
findClients: ->
poll = =>
recv = broker.getClientOffer()
recv.then((desc) =>
log 'Received:\n\n' + desc + '\n'
offer = JSON.parse desc
@receiveOffer offer
, (err) ->
log err
setTimeout(poll, 1000)
)
poll()
# if @proxyPairs.length >= MAX_NUM_CLIENTS * CONNECTIONS_PER_CLIENT
# setTimeout(@proxyMain, @broker_poll_interval * 1000)
# return
# params = [['r', '1']]
# params.push ['transport', 'websocket']
# params.push ['transport', 'webrtc']
# Receive an SDP offer from client plugin.
receiveOffer: (desc) =>
sdp = new RTCSessionDescription desc
@ -117,14 +139,6 @@ class Snowflake
promise = @proxyPair.pc.createAnswer next
promise.then next if promise
# Poll broker when this snowflake can support more clients.
proxyMain: ->
if @proxyPairs.length >= MAX_NUM_CLIENTS * CONNECTIONS_PER_CLIENT
setTimeout(@proxyMain, @broker_poll_interval * 1000)
return
params = [['r', '1']]
params.push ['transport', 'websocket']
params.push ['transport', 'webrtc']
makeProxyPair: (relay) ->
pair = new ProxyPair null, relay, @rateLimit
@ -156,6 +170,7 @@ class Snowflake
@badge.die() if @badge
snowflake = null
broker = null
#
## -- DOM & Inputs -- #
@ -170,7 +185,9 @@ Interface =
# Local input from keyboard into message window.
acceptInput: ->
msg = $input.value
switch snowflake.state
if !COPY_PASTE_ENABLED
log 'No input expected - Copy Paste Signalling disabled.'
else switch snowflake.state
when MODE.INIT
# Set target relay.
if !(snowflake.setRelayAddr msg)
@ -224,10 +241,13 @@ init = ->
$input.onkeydown = (e) -> $send.onclick() if 13 == e.keyCode # enter
log '== snowflake browser proxy =='
snowflake = new Snowflake()
window.snowflake = snowflake
broker = new Broker DEFAULT_BROKER
broker.register()
log 'Input desired relay address:'
snowflake = new Snowflake(broker)
window.snowflake = snowflake
if COPY_PASTE_ENABLED
log 'Input desired relay address:'
else
snowflake.setRelayAddr DEFAULT_WEBSOCKET
snowflake.findClients()
window.onload = init if window