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# File 'lib/stockfighter/websockets.rb', line 16
def start()
EM.epoll
EM.run do
EM.error_handler{ |e|
abort("Error raised during event loop: #{e}")
}
tickertape = WebSocket::EventMachine::Client.connect(:uri => "#{WS_URL}/#{@account}/venues/#{@venue}/tickertape", :ssl => true)
tickertape.onopen do
puts "tickertape websocket: connected"
end
tickertape.onmessage do |msg|
incoming = JSON.parse(msg)
if not incoming["ok"]
raise "tickertape websocket: Error response received: #{msg}"
end
if incoming.key?('quote')
quote = incoming['quote']
@quote_callbacks.each { |callback|
callback.call(quote)
}
else
raise "tickertape websocket: TODO: Unhandled message type: #{msg}"
end
end
tickertape.onerror do |e|
puts "tickertape websocket: Error #{e}"
end
tickertape.onping do |msg|
puts "tickertape websocket: Received ping: #{msg}"
end
tickertape.onpong do |msg|
puts "tickertape websocket: Received pong: #{msg}"
end
tickertape.onclose do
raise "tickertape websocket: Disconnected"
end
executions = WebSocket::EventMachine::Client.connect(:uri => "#{WS_URL}/#{@account}/venues/#{@venue}/executions", :ssl => true)
executions.onopen do
puts "executions websocket: Connected"
end
executions.onmessage do |msg|
execution = JSON.parse(msg)
if not execution["ok"]
raise "execution websocket: Error response received: #{msg}"
end
@execution_callbacks.each { |callback|
callback.call(execution)
}
end
executions.onerror do |e|
puts "executions websocket: Error: #{e}"
end
executions.onping do |msg|
puts "executions websocket: Received ping: #{msg}"
end
executions.onpong do |msg|
puts "executions websocket: Received pong: #{msg}"
end
executions.onclose do
raise "executions websocket: Disconnected"
end
end
end
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