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Use some class vars in broker to eliminate globals

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This commit is contained in:
Arlo Breault 2019-05-01 10:48:07 -04:00
parent bd5887a876
commit 7ce3c83a31
2 changed files with 17 additions and 18 deletions
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25
proxy/broker.coffee
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@ -5,15 +5,14 @@ Browser snowflakes must register with the broker in order
to get assigned to clients.
###
STATUS_OK = 200
STATUS_GONE = 410
STATUS_GATEWAY_TIMEOUT = 504
MESSAGE_TIMEOUT = 'Timed out waiting for a client offer.'
MESSAGE_UNEXPECTED = 'Unexpected status.'
# Represents a broker running remotely.
class Broker
@STATUS_OK = 200
@STATUS_GONE = 410
@STATUS_GATEWAY_TIMEOUT = 504
@MESSAGE_TIMEOUT = 'Timed out waiting for a client offer.'
@MESSAGE_UNEXPECTED = 'Unexpected status.'
clients: 0
@ -39,15 +38,15 @@ class Broker
xhr.onreadystatechange = ->
return if xhr.DONE != xhr.readyState
switch xhr.status
when STATUS_OK
when Broker.STATUS_OK
fulfill xhr.responseText # Should contain offer.
when STATUS_GATEWAY_TIMEOUT
reject MESSAGE_TIMEOUT
when Broker.STATUS_GATEWAY_TIMEOUT
reject Broker.MESSAGE_TIMEOUT
else
log 'Broker ERROR: Unexpected ' + xhr.status +
' - ' + xhr.statusText
snowflake.ui.setStatus ' failure. Please refresh.'
reject MESSAGE_UNEXPECTED
reject Broker.MESSAGE_UNEXPECTED
@_xhr = xhr # Used by spec to fake async Broker interaction
@_postRequest id, xhr, 'proxy', id
@ -60,10 +59,10 @@ class Broker
xhr.onreadystatechange = ->
return if xhr.DONE != xhr.readyState
switch xhr.status
when STATUS_OK
when Broker.STATUS_OK
dbg 'Broker: Successfully replied with answer.'
dbg xhr.responseText
when STATUS_GONE
when Broker.STATUS_GONE
dbg 'Broker: No longer valid to reply with answer.'
else
dbg 'Broker ERROR: Unexpected ' + xhr.status +