-#! /usr/bin/env python
-
-import os, shutil, sys
+import os, shutil, sys, urllib, time, stat, urlparse
from cStringIO import StringIO
from twisted.internet import defer, reactor, protocol, error
from twisted.application import service, internet
-from twisted.web.client import getPage
-from allmydata import client, introducer_and_vdrive
+from twisted.web import client as tw_client
+from allmydata import client, introducer
+from allmydata.immutable import upload
from allmydata.scripts import create_node
-from allmydata.util import testutil
-import foolscap
-from foolscap import eventual
+from allmydata.util import fileutil, pollmixin
+from allmydata.util.fileutil import abspath_expanduser_unicode
+from allmydata.util.encodingutil import get_filesystem_encoding
+from foolscap.api import Tub, fireEventually, flushEventualQueue
from twisted.python import log
-class SystemFramework(testutil.PollMixin):
- numnodes = 5
+class StallableHTTPGetterDiscarder(tw_client.HTTPPageGetter):
+ full_speed_ahead = False
+ _bytes_so_far = 0
+ stalled = None
+ def handleResponsePart(self, data):
+ self._bytes_so_far += len(data)
+ if not self.factory.do_stall:
+ return
+ if self.full_speed_ahead:
+ return
+ if self._bytes_so_far > 1e6+100:
+ if not self.stalled:
+ print "STALLING"
+ self.transport.pauseProducing()
+ self.stalled = reactor.callLater(10.0, self._resume_speed)
+ def _resume_speed(self):
+ print "RESUME SPEED"
+ self.stalled = None
+ self.full_speed_ahead = True
+ self.transport.resumeProducing()
+ def handleResponseEnd(self):
+ if self.stalled:
+ print "CANCEL"
+ self.stalled.cancel()
+ self.stalled = None
+ return tw_client.HTTPPageGetter.handleResponseEnd(self)
+
+class StallableDiscardingHTTPClientFactory(tw_client.HTTPClientFactory):
+ protocol = StallableHTTPGetterDiscarder
+
+def discardPage(url, stall=False, *args, **kwargs):
+ """Start fetching the URL, but stall our pipe after the first 1MB.
+ Wait 10 seconds, then resume downloading (and discarding) everything.
+ """
+ # adapted from twisted.web.client.getPage . We can't just wrap or
+ # subclass because it provides no way to override the HTTPClientFactory
+ # that it creates.
+ scheme, netloc, path, params, query, fragment = urlparse.urlparse(url)
+ assert scheme == 'http'
+ host, port = netloc, 80
+ if ":" in host:
+ host, port = host.split(":")
+ port = int(port)
+ factory = StallableDiscardingHTTPClientFactory(url, *args, **kwargs)
+ factory.do_stall = stall
+ reactor.connectTCP(host, port, factory)
+ return factory.deferred
+
+class ChildDidNotStartError(Exception):
+ pass
+
+class SystemFramework(pollmixin.PollMixin):
+ numnodes = 7
def __init__(self, basedir, mode):
- self.basedir = basedir = os.path.abspath(basedir)
- if not basedir.startswith(os.path.abspath(".")):
+ self.basedir = basedir = abspath_expanduser_unicode(unicode(basedir))
+ if not (basedir + os.path.sep).startswith(abspath_expanduser_unicode(u".") + os.path.sep):
raise AssertionError("safety issue: basedir must be a subdir")
- if os.path.exists(basedir):
- shutil.rmtree(basedir)
- os.mkdir(basedir)
+ self.testdir = testdir = os.path.join(basedir, "test")
+ if os.path.exists(testdir):
+ shutil.rmtree(testdir)
+ fileutil.make_dirs(testdir)
self.sparent = service.MultiService()
self.sparent.startService()
self.proc = None
- self.tub = foolscap.Tub()
+ self.tub = Tub()
+ self.tub.setOption("expose-remote-exception-types", False)
self.tub.setServiceParent(self.sparent)
- self.discard_shares = True
self.mode = mode
+ self.failed = False
+ self.keepalive_file = None
def run(self):
- log.startLogging(open(os.path.join(self.basedir, "log"), "w"),
- setStdout=False)
- #logfile = open(os.path.join(self.basedir, "log"), "w")
+ framelog = os.path.join(self.basedir, "driver.log")
+ log.startLogging(open(framelog, "a"), setStdout=False)
+ log.msg("CHECK_MEMORY(mode=%s) STARTING" % self.mode)
+ #logfile = open(os.path.join(self.testdir, "log"), "w")
#flo = log.FileLogObserver(logfile)
#log.startLoggingWithObserver(flo.emit, setStdout=False)
- d = eventual.fireEventually()
+ d = fireEventually()
d.addCallback(lambda res: self.setUp())
+ d.addCallback(lambda res: self.record_initial_memusage())
+ d.addCallback(lambda res: self.make_nodes())
+ d.addCallback(lambda res: self.wait_for_client_connected())
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)
- d.addBoth(lambda res: reactor.stop())
+ def _done(res):
+ reactor.stop()
+ return res
+ d.addBoth(_done)
reactor.run()
+ if self.failed:
+ # raiseException doesn't work for CopiedFailures
+ self.failed.raiseException()
def setUp(self):
#print "STARTING"
self.stats = {}
- self.statsfile = open(os.path.join(self.basedir, "stats.out"), "w")
- d = self.make_introducer_and_vdrive()
+ self.statsfile = open(os.path.join(self.basedir, "stats.out"), "a")
+ d = self.make_introducer()
def _more(res):
- self.make_nodes()
return self.start_client()
d.addCallback(_more)
def _record_control_furl(control_furl):
d.addCallback(_record_control_furl)
def _record_control(control_rref):
self.control_rref = control_rref
- return control_rref.callRemote("wait_for_client_connections",
- self.numnodes+1)
d.addCallback(_record_control)
def _ready(res):
#print "CLIENT READY"
d.addCallback(_ready)
return d
+ def record_initial_memusage(self):
+ print
+ print "Client started (no connections yet)"
+ d = self._print_usage()
+ d.addCallback(self.stash_stats, "init")
+ return d
+
+ def wait_for_client_connected(self):
+ print
+ print "Client connecting to other nodes.."
+ return self.control_rref.callRemote("wait_for_client_connections",
+ self.numnodes+1)
+
def tearDown(self, passthrough):
# the client node will shut down in a few seconds
- #os.remove(os.path.join(self.clientdir, "suicide_prevention_hotline"))
+ #os.remove(os.path.join(self.clientdir, client.Client.EXIT_TRIGGER_FILE))
log.msg("shutting down SystemTest services")
+ if self.keepalive_file and os.path.exists(self.keepalive_file):
+ age = time.time() - os.stat(self.keepalive_file)[stat.ST_MTIME]
+ log.msg("keepalive file at shutdown was %ds old" % age)
d = defer.succeed(None)
if self.proc:
d.addCallback(lambda res: self.kill_client())
d.addCallback(lambda res: self.sparent.stopService())
- d.addCallback(lambda res: eventual.flushEventualQueue())
+ d.addCallback(lambda res: flushEventualQueue())
def _close_statsfile(res):
self.statsfile.close()
d.addCallback(_close_statsfile)
s.setServiceParent(self.sparent)
return s
- def make_introducer_and_vdrive(self):
- iv_basedir = os.path.join(self.basedir, "introducer_and_vdrive")
+ def make_introducer(self):
+ iv_basedir = os.path.join(self.testdir, "introducer")
os.mkdir(iv_basedir)
- iv = introducer_and_vdrive.IntroducerAndVdrive(basedir=iv_basedir)
- self.introducer_and_vdrive = self.add_service(iv)
- d = self.introducer_and_vdrive.when_tub_ready()
+ iv = introducer.IntroducerNode(basedir=iv_basedir)
+ self.introducer = self.add_service(iv)
+ d = self.introducer.when_tub_ready()
+ def _introducer_ready(res):
+ q = self.introducer
+ self.introducer_furl = q.introducer_url
+ d.addCallback(_introducer_ready)
return d
def make_nodes(self):
- q = self.introducer_and_vdrive
- self.introducer_furl = q.urls["introducer"]
- self.vdrive_furl = q.urls["vdrive"]
self.nodes = []
for i in range(self.numnodes):
- nodedir = os.path.join(self.basedir, "node%d" % i)
+ nodedir = os.path.join(self.testdir, "node%d" % i)
os.mkdir(nodedir)
- f = open(os.path.join(nodedir, "introducer.furl"), "w")
- f.write(self.introducer_furl)
- f.close()
- f = open(os.path.join(nodedir, "vdrive.furl"), "w")
- f.write(self.vdrive_furl)
+ f = open(os.path.join(nodedir, "tahoe.cfg"), "w")
+ f.write("[client]\n"
+ "introducer.furl = %s\n"
+ "shares.happy = 1\n"
+ "[storage]\n"
+ % (self.introducer_furl,))
+ # the only tests for which we want the internal nodes to actually
+ # retain shares are the ones where somebody's going to download
+ # them.
+ if self.mode in ("download", "download-GET", "download-GET-slow"):
+ # retain shares
+ pass
+ else:
+ # for these tests, we tell the storage servers to pretend to
+ # accept shares, but really just throw them out, since we're
+ # only testing upload and not download.
+ f.write("debug_discard = true\n")
+ if self.mode in ("receive",):
+ # for this mode, the client-under-test gets all the shares,
+ # so our internal nodes can refuse requests
+ f.write("readonly = true\n")
f.close()
- if self.discard_shares:
- # for this test, we tell the storage servers to throw out all
- # their stored data, since we're only testing upload and not
- # download.
- f = open(os.path.join(nodedir, "debug_no_storage"), "w")
- f.write("no_storage\n")
- f.close()
c = self.add_service(client.Client(basedir=nodedir))
self.nodes.append(c)
# the peers will start running, eventually they will connect to each
- # other and the introducer_and_vdrive
+ # other and the introducer
def touch_keepalive(self):
+ if os.path.exists(self.keepalive_file):
+ age = time.time() - os.stat(self.keepalive_file)[stat.ST_MTIME]
+ log.msg("touching keepalive file, was %ds old" % age)
f = open(self.keepalive_file, "w")
f.write("""\
If the node notices this file at startup, it will poll every 5 seconds and
def start_client(self):
# this returns a Deferred that fires with the client's control.furl
log.msg("MAKING CLIENT")
- clientdir = self.clientdir = os.path.join(self.basedir, "client")
+ # self.testdir is an absolute Unicode path
+ clientdir = self.clientdir = os.path.join(self.testdir, u"client")
+ clientdir_str = clientdir.encode(get_filesystem_encoding())
quiet = StringIO()
- create_node.create_client(clientdir, {}, out=quiet)
+ create_node.create_node({'basedir': clientdir}, out=quiet)
log.msg("DONE MAKING CLIENT")
- f = open(os.path.join(clientdir, "introducer.furl"), "w")
- f.write(self.introducer_furl + "\n")
- f.close()
- f = open(os.path.join(clientdir, "vdrive.furl"), "w")
- f.write(self.vdrive_furl + "\n")
- f.close()
- f = open(os.path.join(clientdir, "webport"), "w")
- # TODO: ideally we would set webport=0 and then ask the node what
- # port it picked. But at the moment it is not convenient to do this,
- # so we just pick a relatively unique one.
- webport = max(os.getpid(), 2000)
- f.write("tcp:%d:interface=127.0.0.1\n" % webport)
+ # now replace tahoe.cfg
+ # set webport=0 and then ask the node what port it picked.
+ f = open(os.path.join(clientdir, "tahoe.cfg"), "w")
+ f.write("[node]\n"
+ "web.port = tcp:0:interface=127.0.0.1\n"
+ "[client]\n"
+ "introducer.furl = %s\n"
+ "shares.happy = 1\n"
+ "[storage]\n"
+ % (self.introducer_furl,))
+
+ if self.mode in ("upload-self", "receive"):
+ # accept and store shares, to trigger the memory consumption bugs
+ pass
+ else:
+ # don't accept any shares
+ f.write("readonly = true\n")
+ ## also, if we do receive any shares, throw them away
+ #f.write("debug_discard = true")
+ if self.mode == "upload-self":
+ pass
f.close()
- self.webish_url = "http://localhost:%d" % webport
- if self.discard_shares:
- f = open(os.path.join(clientdir, "debug_no_storage"), "w")
- f.write("no_storage\n")
- f.close()
self.keepalive_file = os.path.join(clientdir,
- "suicide_prevention_hotline")
+ client.Client.EXIT_TRIGGER_FILE)
# now start updating the mtime.
self.touch_keepalive()
- ts = internet.TimerService(4.0, self.touch_keepalive)
+ ts = internet.TimerService(1.0, self.touch_keepalive)
ts.setServiceParent(self.sparent)
pp = ClientWatcher()
self.proc_done = pp.d = defer.Deferred()
- cmd = ["twistd", "-y", "client.tac"]
+ logfile = os.path.join(self.basedir, "client.log")
+ cmd = ["twistd", "-n", "-y", "tahoe-client.tac", "-l", logfile]
env = os.environ.copy()
- self.proc = reactor.spawnProcess(pp, cmd[0], cmd, env, path=clientdir)
+ self.proc = reactor.spawnProcess(pp, cmd[0], cmd, env, path=clientdir_str)
log.msg("CLIENT STARTED")
# now we wait for the client to get started. we're looking for the
# control.furl file to appear.
- furl_file = os.path.join(clientdir, "control.furl")
+ furl_file = os.path.join(clientdir, "private", "control.furl")
+ url_file = os.path.join(clientdir, "node.url")
def _check():
+ if pp.ended and pp.ended.value.status != 0:
+ # the twistd process ends normally (with rc=0) if the child
+ # is successfully launched. It ends abnormally (with rc!=0)
+ # if the child cannot be launched.
+ raise ChildDidNotStartError("process ended while waiting for startup")
return os.path.exists(furl_file)
d = self.poll(_check, 0.1)
# once it exists, wait a moment before we read from it, just in case
return d2
d.addCallback(_stall)
def _read(res):
+ # read the node's URL
+ self.webish_url = open(url_file, "r").read().strip()
+ if self.webish_url[-1] == "/":
+ # trim trailing slash, since the rest of the code wants it gone
+ self.webish_url = self.webish_url[:-1]
f = open(furl_file, "r")
furl = f.read()
return furl.strip()
# returns a Deferred that fires when the process exits. This may only
# be called once.
try:
- self.proc.signalProcess("KILL")
+ self.proc.signalProcess("INT")
except error.ProcessExitedAlready:
pass
return self.proc_done
def create_data(self, name, size):
- filename = os.path.join(self.basedir, name + ".data")
+ filename = os.path.join(self.testdir, name + ".data")
f = open(filename, "wb")
block = "a" * 8192
while size > 0:
def stash_stats(self, stats, name):
self.statsfile.write("%s %s: %d\n" % (self.mode, name, stats['VmPeak']))
+ self.statsfile.flush()
self.stats[name] = stats['VmPeak']
def POST(self, urlpath, **fields):
body = "\r\n".join(form) + "\r\n"
headers = {"content-type": "multipart/form-data; boundary=%s" % sepbase,
}
- return getPage(url, method="POST", postdata=body,
- headers=headers, followRedirect=False)
+ return tw_client.getPage(url, method="POST", postdata=body,
+ headers=headers, followRedirect=False)
+
+ def GET_discard(self, urlpath, stall):
+ url = self.webish_url + urlpath + "?filename=dummy-get.out"
+ return discardPage(url, stall)
+
+ def _print_usage(self, res=None):
+ d = self.control_rref.callRemote("get_memory_usage")
+ def _print(stats):
+ print "VmSize: %9d VmPeak: %9d" % (stats["VmSize"],
+ stats["VmPeak"])
+ return stats
+ d.addCallback(_print)
+ return d
+
+ def _do_upload(self, res, size, files, uris):
+ name = '%d' % size
+ print
+ print "uploading %s" % name
+ if self.mode in ("upload", "upload-self"):
+ files[name] = self.create_data(name, size)
+ d = self.control_rref.callRemote("upload_from_file_to_uri",
+ files[name].encode("utf-8"),
+ convergence="check-memory")
+ def _done(uri):
+ os.remove(files[name])
+ del files[name]
+ return uri
+ d.addCallback(_done)
+ elif self.mode == "upload-POST":
+ data = "a" * size
+ url = "/uri"
+ d = self.POST(url, t="upload", file=("%d.data" % size, data))
+ elif self.mode in ("receive",
+ "download", "download-GET", "download-GET-slow"):
+ # mode=receive: upload the data from a local peer, so that the
+ # client-under-test receives and stores the shares
+ #
+ # mode=download*: upload the data from a local peer, then have
+ # the client-under-test download it.
+ #
+ # we need to wait until the uploading node has connected to all
+ # peers, since the wait_for_client_connections() above doesn't
+ # pay attention to our self.nodes[] and their connections.
+ files[name] = self.create_data(name, size)
+ u = self.nodes[0].getServiceNamed("uploader")
+ d = self.nodes[0].debug_wait_for_client_connections(self.numnodes+1)
+ d.addCallback(lambda res:
+ u.upload(upload.FileName(files[name],
+ convergence="check-memory")))
+ d.addCallback(lambda results: results.get_uri())
+ else:
+ raise ValueError("unknown mode=%s" % self.mode)
+ def _complete(uri):
+ uris[name] = uri
+ print "uploaded %s" % name
+ d.addCallback(_complete)
+ return d
+
+ def _do_download(self, res, size, uris):
+ if self.mode not in ("download", "download-GET", "download-GET-slow"):
+ return
+ name = '%d' % size
+ print "downloading %s" % name
+ uri = uris[name]
+
+ if self.mode == "download":
+ d = self.control_rref.callRemote("download_from_uri_to_file",
+ uri, "dummy.out")
+ elif self.mode == "download-GET":
+ url = "/uri/%s" % uri
+ d = self.GET_discard(urllib.quote(url), stall=False)
+ elif self.mode == "download-GET-slow":
+ url = "/uri/%s" % uri
+ d = self.GET_discard(urllib.quote(url), stall=True)
+
+ def _complete(res):
+ print "downloaded %s" % name
+ return res
+ d.addCallback(_complete)
+ return d
def do_test(self):
#print "CLIENT STARTED"
kB = 1000; MB = 1000*1000
files = {}
uris = {}
- control = self.control_rref
-
- def _print_usage(res=None):
- d = control.callRemote("get_memory_usage")
- def _print(stats):
- print "VmSize: %9d VmPeak: %9d" % (stats["VmSize"],
- stats["VmPeak"])
- return stats
- d.addCallback(_print)
- return d
-
- def _do_upload(res, size):
- name = '%d' % size
- print
- print "uploading %s" % name
- if self.mode == "upload":
- files[name] = self.create_data(name, size)
- d = control.callRemote("upload_from_file_to_uri", files[name])
- def _done(uri):
- os.remove(files[name])
- del files[name]
- return uri
- d.addCallback(_done)
- elif self.mode == "upload-POST":
- data = "a" * size
- url = "/vdrive/global"
- d = self.POST(url, t="upload", file=("%d.data" % size, data))
- else:
- raise RuntimeError("unknown mode=%s" % self.mode)
- def _complete(uri):
- uris[name] = uri
- print "uploaded %s" % name
- d.addCallback(_complete)
- return d
-
- d = _print_usage()
+
+ d = self._print_usage()
d.addCallback(self.stash_stats, "0B")
for i in range(10):
- d.addCallback(_do_upload, size=10*kB+i)
- d.addCallback(_print_usage)
+ d.addCallback(self._do_upload, 10*kB+i, files, uris)
+ d.addCallback(self._do_download, 10*kB+i, uris)
+ d.addCallback(self._print_usage)
d.addCallback(self.stash_stats, "10kB")
for i in range(3):
- d.addCallback(_do_upload, size=10*MB+i)
- d.addCallback(_print_usage)
+ d.addCallback(self._do_upload, 10*MB+i, files, uris)
+ d.addCallback(self._do_download, 10*MB+i, uris)
+ d.addCallback(self._print_usage)
d.addCallback(self.stash_stats, "10MB")
- for i in range(3):
- d.addCallback(_do_upload, size=50*MB+i)
- d.addCallback(_print_usage)
+ for i in range(1):
+ d.addCallback(self._do_upload, 50*MB+i, files, uris)
+ d.addCallback(self._do_download, 50*MB+i, uris)
+ d.addCallback(self._print_usage)
d.addCallback(self.stash_stats, "50MB")
- for i in range(1):
- d.addCallback(_do_upload, size=100*MB+i)
- d.addCallback(_print_usage)
- d.addCallback(self.stash_stats, "100MB")
+ #for i in range(1):
+ # d.addCallback(self._do_upload, 100*MB+i, files, uris)
+ # d.addCallback(self._do_download, 100*MB+i, uris)
+ # d.addCallback(self._print_usage)
+ #d.addCallback(self.stash_stats, "100MB")
#d.addCallback(self.stall)
def _done(res):
class ClientWatcher(protocol.ProcessProtocol):
+ ended = False
def outReceived(self, data):
print "OUT:", data
def errReceived(self, data):
print "ERR:", data
def processEnded(self, reason):
+ self.ended = reason
self.d.callback(None)
mode = "upload"
if len(sys.argv) > 1:
mode = sys.argv[1]
+ if sys.maxint == 2147483647:
+ bits = "32"
+ elif sys.maxint == 9223372036854775807:
+ bits = "64"
+ else:
+ bits = "?"
+ print "%s-bit system (sys.maxint=%d)" % (bits, sys.maxint)
+ # put the logfile and stats.out in _test_memory/ . These stick around.
+ # put the nodes and other files in _test_memory/test/ . These are
+ # removed each time we run.
sf = SystemFramework("_test_memory", mode)
sf.run()
projects / tahoe-lafs / tahoe-lafs.git / blobdiff