commit 30bfeb247ed802d8898e4d6018928dd19768b994 Author: Serene Han keroserene+git@gmail.com Date: Thu Jan 28 15:21:22 2016 -0800

Status bar for the snowflake console, instead of cluttered log messages during polling --- proxy/broker.coffee | 5 +++-- proxy/proxypair.coffee | 16 +++++++++------- proxy/snowflake.coffee | 27 +++++++++++++++++++++++++-- proxy/static/snowflake.html | 9 +++++++++ 4 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/proxy/broker.coffee b/proxy/broker.coffee index 1af18fb..0f5c4ab 100644 --- a/proxy/broker.coffee +++ b/proxy/broker.coffee @@ -53,12 +53,12 @@ class Broker when STATUS_OK fulfill xhr.responseText # Should contain offer. when STATUS_GATEWAY_TIMEOUT - reject 'Timed out waiting for a client to serve. Retrying...' + reject 'Timed out waiting for a client to serve.' else log 'Broker ERROR: Unexpected ' + xhr.status + ' - ' + xhr.statusText + Status.set ' failure. Please refresh.' xhr.send @id - log @id + " - polling for client offer..."

sendAnswer: (answer) -> log @id + ' - Sending answer back to broker...\n' @@ -81,4 +81,5 @@ class Broker else log 'Broker ERROR: Unexpected ' + xhr.status + ' - ' + xhr.statusText + Status.set ' failure. Please refresh.' xhr.send JSON.stringify(answer) diff --git a/proxy/proxypair.coffee b/proxy/proxypair.coffee index cd87208..ca9dcca 100644 --- a/proxy/proxypair.coffee +++ b/proxy/proxypair.coffee @@ -65,6 +65,7 @@ class ProxyPair @connectRelay() channel.onclose = -> log 'Data channel closed.' + Status.set 'disconnected.' snowflake.state = MODE.INIT $msglog.className = '' # Change this for multiplexing. @@ -79,6 +80,7 @@ class ProxyPair @relay.label = 'websocket-relay' @relay.onopen = => log '\nRelay ' + @relay.label + ' connected!' + Status.set 'connected' @relay.onclose = @onClose @relay.onerror = @onError @relay.onmessage = @onRelayToClientMessage @@ -86,13 +88,13 @@ class ProxyPair # WebRTC --> websocket onClientToRelayMessage: (msg) => line = recv = msg.data - console.log msg - # Go sends only raw bytes... - if '[object ArrayBuffer]' == recv.toString() - bytes = new Uint8Array recv - line = String.fromCharCode.apply(null, bytes) - line = line.trim() - console.log 'WebRTC --> websocket data: ' + line + if DEBUG + # Go sends only raw bytes... + if '[object ArrayBuffer]' == recv.toString() + bytes = new Uint8Array recv + line = String.fromCharCode.apply(null, bytes) + line = line.trim() + console.log 'WebRTC --> websocket data: ' + line @c2rSchedule.push recv @flush()

diff --git a/proxy/snowflake.coffee b/proxy/snowflake.coffee index 7ecbdb8..99a9698 100644 --- a/proxy/snowflake.coffee +++ b/proxy/snowflake.coffee @@ -60,6 +60,7 @@ class Snowflake badge: null $badge: null state: MODE.INIT + retries: 0

constructor: (@broker) -> if HEADLESS @@ -80,6 +81,7 @@ class Snowflake else @rateLimit = new BucketRateLimit(rateLimitBytes * RATE_LIMIT_HISTORY, RATE_LIMIT_HISTORY) + @retries = 0

# TODO: Should potentially fetch from broker later. # Set the target relay address spec, which is expected to be a websocket @@ -97,16 +99,30 @@ class Snowflake @makeProxyPair @relayAddr @proxyPair = @proxyPairs[0] return if COPY_PASTE_ENABLED + timer = null + # Temporary countdown. + countdown = (msg, sec) -> + Status.set msg + ' (Retrying in ' + sec + ' seconds...)' + sec-- + if sec >= 0 + setTimeout((-> countdown(msg, sec)), 1000) + else + findClients() # Poll broker for clients. findClients = => + clearTimeout timer + msg = 'polling for client... ' + msg += '[retries: ' + @retries + ']' if @retries > 0 + Status.set msg recv = broker.getClientOffer() + @retries++ recv.then (desc) => offer = JSON.parse desc log 'Received:\n\n' + offer.sdp + '\n' @receiveOffer offer , (err) -> - log err - setTimeout(findClients, DEFAULT_BROKER_POLL_INTERVAL) + countdown(err, DEFAULT_BROKER_POLL_INTERVAL / 1000) + findClients()

# Receive an SDP offer from some client assigned by the Broker. @@ -155,6 +171,7 @@ class Snowflake reset: -> @cease() log '\nSnowflake resetting...' + @retries = 0 @beginWebRTC()

snowflake = null @@ -168,6 +185,7 @@ broker = null $msglog = null $send = null $input = null +$status = null

Interface = # Local input from keyboard into message window. @@ -212,7 +230,12 @@ log = (msg) -> # Log to the message window. $msglog.value += msg + '\n' $msglog.scrollTop = $msglog.scrollHeight

+# Status bar +Status = + set: (msg) -> $status.innerHTML = 'Status: ' + msg + init = -> + $status = document.getElementById('status') $msglog = document.getElementById('msglog') $msglog.value = ''

diff --git a/proxy/static/snowflake.html b/proxy/static/snowflake.html index 2f9c765..b6d984a 100644 --- a/proxy/static/snowflake.html +++ b/proxy/static/snowflake.html @@ -62,10 +62,19 @@ border: none; // box-shadow: 0 2px 5px #000; } #send:hover { background-color: #636; } + #status { + background-color: rgba(0,0,0,0.9); color: #999; + margin: 8px 0; padding: 8px 1em; cursor: default; + font-size: 12px; + text-align: left; + } </style> </head> <body> <div class="chatarea"> + <div id="status"> + Timeout... + </div> <textarea id="msglog" readonly> </textarea> <div class="inputarea">