from __future__ import print_function import os, sys from twisted.internet import reactor, defer from twisted.python import log from twisted.application import service from foolscap.api import Tub, fireEventually MB = 1000000 class SpeedTest(object): DO_IMMUTABLE = True DO_MUTABLE_CREATE = True DO_MUTABLE = True def __init__(self, test_client_dir): #self.real_stderr = sys.stderr log.startLogging(open("st.log", "a"), setStdout=False) f = open(os.path.join(test_client_dir, "private", "control.furl"), "r") self.control_furl = f.read().strip() f.close() self.base_service = service.MultiService() self.failed = None self.upload_times = {} self.download_times = {} def run(self): print("STARTING") d = fireEventually() d.addCallback(lambda res: self.setUp()) d.addCallback(lambda res: self.do_test()) d.addBoth(self.tearDown) def _err(err): self.failed = err log.err(err) print(err) d.addErrback(_err) def _done(res): reactor.stop() return res d.addBoth(_done) reactor.run() if self.failed: print("EXCEPTION") print(self.failed) sys.exit(1) def setUp(self): self.base_service.startService() self.tub = Tub() self.tub.setOption("expose-remote-exception-types", False) self.tub.setServiceParent(self.base_service) d = self.tub.getReference(self.control_furl) def _gotref(rref): self.client_rref = rref print("Got Client Control reference") return self.stall(5) d.addCallback(_gotref) return d def stall(self, delay, result=None): d = defer.Deferred() reactor.callLater(delay, d.callback, result) return d def record_times(self, times, key): print("TIME (%s): %s up, %s down" % (key, times[0], times[1])) self.upload_times[key], self.download_times[key] = times def one_test(self, res, name, count, size, mutable): # values for 'mutable': # False (upload a different CHK file for each 'count') # "create" (upload different contents into a new SSK file) # "upload" (upload different contents into the same SSK file. The # time consumed does not include the creation of the file) d = self.client_rref.callRemote("speed_test", count, size, mutable) d.addCallback(self.record_times, name) return d def measure_rtt(self, res): # use RIClient.get_nodeid() to measure the foolscap-level RTT d = self.client_rref.callRemote("measure_peer_response_time") def _got(res): assert len(res) # need at least one peer times = res.values() self.total_rtt = sum(times) self.average_rtt = sum(times) / len(times) self.max_rtt = max(times) print("num-peers: %d" % len(times)) print("total-RTT: %f" % self.total_rtt) print("average-RTT: %f" % self.average_rtt) print("max-RTT: %f" % self.max_rtt) d.addCallback(_got) return d def do_test(self): print("doing test") d = defer.succeed(None) d.addCallback(self.one_test, "startup", 1, 1000, False) #ignore this one d.addCallback(self.measure_rtt) if self.DO_IMMUTABLE: # immutable files d.addCallback(self.one_test, "1x 200B", 1, 200, False) d.addCallback(self.one_test, "10x 200B", 10, 200, False) def _maybe_do_100x_200B(res): if self.upload_times["10x 200B"] < 5: print("10x 200B test went too fast, doing 100x 200B test") return self.one_test(None, "100x 200B", 100, 200, False) return d.addCallback(_maybe_do_100x_200B) d.addCallback(self.one_test, "1MB", 1, 1*MB, False) d.addCallback(self.one_test, "10MB", 1, 10*MB, False) def _maybe_do_100MB(res): if self.upload_times["10MB"] > 30: print("10MB test took too long, skipping 100MB test") return return self.one_test(None, "100MB", 1, 100*MB, False) d.addCallback(_maybe_do_100MB) if self.DO_MUTABLE_CREATE: # mutable file creation d.addCallback(self.one_test, "10x 200B SSK creation", 10, 200, "create") if self.DO_MUTABLE: # mutable file upload/download d.addCallback(self.one_test, "10x 200B SSK", 10, 200, "upload") def _maybe_do_100x_200B_SSK(res): if self.upload_times["10x 200B SSK"] < 5: print("10x 200B SSK test went too fast, doing 100x 200B SSK") return self.one_test(None, "100x 200B SSK", 100, 200, "upload") return d.addCallback(_maybe_do_100x_200B_SSK) d.addCallback(self.one_test, "1MB SSK", 1, 1*MB, "upload") d.addCallback(self.calculate_speeds) return d def calculate_speeds(self, res): # time = A*size+B # we assume that A*200bytes is negligible if self.DO_IMMUTABLE: # upload if "100x 200B" in self.upload_times: B = self.upload_times["100x 200B"] / 100 else: B = self.upload_times["10x 200B"] / 10 print("upload per-file time: %.3fs" % B) print("upload per-file times-avg-RTT: %f" % (B / self.average_rtt)) print("upload per-file times-total-RTT: %f" % (B / self.total_rtt)) A1 = 1*MB / (self.upload_times["1MB"] - B) # in bytes per second print("upload speed (1MB):", self.number(A1, "Bps")) A2 = 10*MB / (self.upload_times["10MB"] - B) print("upload speed (10MB):", self.number(A2, "Bps")) if "100MB" in self.upload_times: A3 = 100*MB / (self.upload_times["100MB"] - B) print("upload speed (100MB):", self.number(A3, "Bps")) # download if "100x 200B" in self.download_times: B = self.download_times["100x 200B"] / 100 else: B = self.download_times["10x 200B"] / 10 print("download per-file time: %.3fs" % B) print("download per-file times-avg-RTT: %f" % (B / self.average_rtt)) print("download per-file times-total-RTT: %f" % (B / self.total_rtt)) A1 = 1*MB / (self.download_times["1MB"] - B) # in bytes per second print("download speed (1MB):", self.number(A1, "Bps")) A2 = 10*MB / (self.download_times["10MB"] - B) print("download speed (10MB):", self.number(A2, "Bps")) if "100MB" in self.download_times: A3 = 100*MB / (self.download_times["100MB"] - B) print("download speed (100MB):", self.number(A3, "Bps")) if self.DO_MUTABLE_CREATE: # SSK creation B = self.upload_times["10x 200B SSK creation"] / 10 print("create per-file time SSK: %.3fs" % B) if self.DO_MUTABLE: # upload SSK if "100x 200B SSK" in self.upload_times: B = self.upload_times["100x 200B SSK"] / 100 else: B = self.upload_times["10x 200B SSK"] / 10 print("upload per-file time SSK: %.3fs" % B) A1 = 1*MB / (self.upload_times["1MB SSK"] - B) # in bytes per second print("upload speed SSK (1MB):", self.number(A1, "Bps")) # download SSK if "100x 200B SSK" in self.download_times: B = self.download_times["100x 200B SSK"] / 100 else: B = self.download_times["10x 200B SSK"] / 10 print("download per-file time SSK: %.3fs" % B) A1 = 1*MB / (self.download_times["1MB SSK"] - B) # in bytes per # second print("download speed SSK (1MB):", self.number(A1, "Bps")) def number(self, value, suffix=""): scaling = 1 if value < 1: fmt = "%1.2g%s" elif value < 100: fmt = "%.1f%s" elif value < 1000: fmt = "%d%s" elif value < 1e6: fmt = "%.2fk%s"; scaling = 1e3 elif value < 1e9: fmt = "%.2fM%s"; scaling = 1e6 elif value < 1e12: fmt = "%.2fG%s"; scaling = 1e9 elif value < 1e15: fmt = "%.2fT%s"; scaling = 1e12 elif value < 1e18: fmt = "%.2fP%s"; scaling = 1e15 else: fmt = "huge! %g%s" return fmt % (value / scaling, suffix) def tearDown(self, res): d = self.base_service.stopService() d.addCallback(lambda ignored: res) return d if __name__ == '__main__': test_client_dir = sys.argv[1] st = SpeedTest(test_client_dir) st.run()