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refactor collector json parsing Ignore-this: ae540a86d86ff9a45e5b2b66ee5f82d4
author drewp@bigasterisk.com
date Mon, 13 Jun 2016 19:25:00 +0000
parents 649d482737e0
children ce97f298bfb8
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1 #!bin/python
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2 from __future__ import division
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3 from rdflib import Graph, URIRef, Literal
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4 from twisted.internet import reactor
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5 from twisted.web.server import Site
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6 from txzmq import ZmqEndpoint, ZmqFactory, ZmqPullConnection
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7 import json
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8 import logging
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9 import klein
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10 import optparse
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11 from greplin import scales
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12 from greplin.scales.twistedweb import StatsResource
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13
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14 from run_local import log
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15 from light9.collector.output import EnttecDmx, Udmx
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16 from light9.collector.collector import Collector
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17 from light9.namespaces import L9
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18 from light9 import networking
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19 from light9.rdfdb.syncedgraph import SyncedGraph
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20 from light9.rdfdb import clientsession
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21
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22 def parseJsonMessage(msg):
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23 body = json.load(msg)
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24 settings = []
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25 for device, attr, value in body['settings']:
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26 settings.append((URIRef(device), URIRef(attr), Literal(value)))
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27 return body['client'], body['clientSession'], settings, body['sendTime']
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28
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29 class WebServer(object):
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30 stats = scales.collection('/webServer',
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31 scales.PmfStat('setAttr'))
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32 app = klein.Klein()
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33 def __init__(self, collector):
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34 self.collector = collector
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35
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36 @app.route('/attrs', methods=['PUT'])
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37 def putAttrs(self, request):
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38 with WebServer.stats.setAttr.time():
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39 client, clientSession, settings, sendTime = parseJsonMessage(request.content)
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40 self.collector.setAttrs(client, clientSession, settings, sendTime)
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41 request.setResponseCode(202)
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42
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43 @app.route('/stats', methods=['GET'])
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44 def getStats(self, request):
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45 return StatsResource('collector')
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46
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47 def startZmq(port, collector):
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48 stats = scales.collection('/zmqServer',
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49 scales.PmfStat('setAttr'))
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50
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51 zf = ZmqFactory()
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52 e = ZmqEndpoint('bind', 'tcp://*:%s' % port)
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53 s = ZmqPullConnection(zf, e)
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54 def onPull(message):
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55 with stats.setAttrZmq.time():
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56 # todo: new compressed protocol where you send all URIs up
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57 # front and then use small ints to refer to devices and
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58 # attributes in subsequent requests.
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59 message[0]
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60 collector.setAttrs()
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61 s.onPull = onPull
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62
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63 def launch(graph, doLoadTest=False):
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64
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65 # todo: drive outputs with config files
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66 outputs = [
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67 EnttecDmx(L9['output/dmx0/'], '/dev/dmx0', 80),
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68 Udmx(L9['output/udmx/'], 510),
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69 ]
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70 c = Collector(graph, outputs)
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71
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72 server = WebServer(c)
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73 startZmq(networking.collectorZmq.port, c)
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74
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75 reactor.listenTCP(networking.collector.port,
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76 Site(server.app.resource()),
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77 interface='::')
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78 log.info('serving http on %s, zmq on %s', networking.collector.port,
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79 networking.collectorZmq.port)
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80 if doLoadTest:
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81 loadTest()
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82
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83
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84 def loadTest():
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85 from light9.effect.sequencer import sendToCollector
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86 import time
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87 session = "loadtest%s" % time.time()
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88 offset = 0
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89 for i in range(2000):
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90 reactor.callLater(offset, sendToCollector, "http://dash:8200/live/", session,
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91 [["http://light9.bigasterisk.com/device/backlight1","http://light9.bigasterisk.com/color","#ffffff"],
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92 ["http://light9.bigasterisk.com/device/backlight2","http://light9.bigasterisk.com/color","#ffffff"],
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93 ["http://light9.bigasterisk.com/device/backlight3","http://light9.bigasterisk.com/color","#ffffff"],
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94 ["http://light9.bigasterisk.com/device/backlight4","http://light9.bigasterisk.com/color","#ffffff"],
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95 ["http://light9.bigasterisk.com/device/backlight5","http://light9.bigasterisk.com/color","#ffffff"],
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96 ["http://light9.bigasterisk.com/device/down2","http://light9.bigasterisk.com/color","#ffffff"],
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97 ["http://light9.bigasterisk.com/device/down3","http://light9.bigasterisk.com/color","#ffffff"],
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98 ["http://light9.bigasterisk.com/device/down4","http://light9.bigasterisk.com/color","#ffffff"],
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99 ["http://light9.bigasterisk.com/device/backlight5","http://light9.bigasterisk.com/uv",0.011]])
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100 offset += .005
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101
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102 reactor.callLater(offset, reactor.stop)
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103
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104 def main():
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105 parser = optparse.OptionParser()
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106 parser.add_option("-v", "--verbose", action="store_true",
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107 help="logging.DEBUG")
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108 parser.add_option("--loadtest", action="store_true",
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109 help="call myself with some synthetic load then exit")
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110 (options, args) = parser.parse_args()
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111 log.setLevel(logging.DEBUG if options.verbose else logging.INFO)
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112
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113 graph = SyncedGraph(networking.rdfdb.url, "collector")
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114
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115 graph.initiallySynced.addCallback(lambda _: launch(graph, options.loadtest))
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116 reactor.run()
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117
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118 if __name__ == '__main__':
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119 main()