from allmydata.unknown import UnknownNode
from allmydata.web import status, common
from allmydata.scripts.debug import CorruptShareOptions, corrupt_share
-from allmydata.util import fileutil, base32
+from allmydata.util import fileutil, base32, hashutil
from allmydata.util.consumer import download_to_data
from allmydata.util.netstring import split_netstring
from allmydata.util.encodingutil import to_str
ds = DownloadStatus("storage_index", 1234)
now = time.time()
- ds.add_segment_request(0, now)
- # segnum, when, start,len, decodetime
- ds.add_segment_delivery(0, now+1, 0, 100, 0.5)
- ds.add_segment_request(1, now+2)
- ds.add_segment_error(1, now+3)
+ serverid_a = hashutil.tagged_hash("foo", "serverid_a")[:20]
+ serverid_b = hashutil.tagged_hash("foo", "serverid_b")[:20]
+ storage_index = hashutil.storage_index_hash("SI")
+ e0 = ds.add_segment_request(0, now)
+ e0.activate(now+0.5)
+ e0.deliver(now+1, 0, 100, 0.5) # when, start,len, decodetime
+ e1 = ds.add_segment_request(1, now+2)
+ e1.error(now+3)
# two outstanding requests
- ds.add_segment_request(2, now+4)
- ds.add_segment_request(3, now+5)
+ e2 = ds.add_segment_request(2, now+4)
+ e3 = ds.add_segment_request(3, now+5)
+ del e2,e3 # hush pyflakes
# simulate a segment which gets delivered faster than a system clock tick (ticket #1166)
- ds.add_segment_request(4, now)
- ds.add_segment_delivery(4, now, 0, 140, 0.5)
+ e = ds.add_segment_request(4, now)
+ e.activate(now)
+ e.deliver(now, 0, 140, 0.5)
- e = ds.add_dyhb_sent("serverid_a", now)
+ e = ds.add_dyhb_request(serverid_a, now)
e.finished([1,2], now+1)
- e = ds.add_dyhb_sent("serverid_b", now+2) # left unfinished
+ e = ds.add_dyhb_request(serverid_b, now+2) # left unfinished
e = ds.add_read_event(0, 120, now)
e.update(60, 0.5, 0.1) # bytes, decrypttime, pausetime
e.finished(now+1)
e = ds.add_read_event(120, 30, now+2) # left unfinished
- e = ds.add_request_sent("serverid_a", 1, 100, 20, now)
+ e = ds.add_block_request(serverid_a, 1, 100, 20, now)
e.finished(20, now+1)
- e = ds.add_request_sent("serverid_a", 1, 120, 30, now+1) # left unfinished
+ e = ds.add_block_request(serverid_a, 1, 120, 30, now+1) # left unfinished
# make sure that add_read_event() can come first too
- ds1 = DownloadStatus("storage_index", 1234)
+ ds1 = DownloadStatus(storage_index, 1234)
e = ds1.add_read_event(0, 120, now)
e.update(60, 0.5, 0.1) # bytes, decrypttime, pausetime
e.finished(now+1)
def _check_dl(res):
self.failUnless("File Download Status" in res, res)
d.addCallback(_check_dl)
- d.addCallback(lambda res: self.GET("/status/down-%d?t=json" % dl_num))
+ d.addCallback(lambda res: self.GET("/status/down-%d/event_json" % dl_num))
def _check_dl_json(res):
data = simplejson.loads(res)
self.failUnless(isinstance(data, dict))
+ self.failUnless("read" in data)
+ self.failUnlessEqual(data["read"][0]["length"], 120)
+ self.failUnlessEqual(data["segment"][0]["segment_length"], 100)
+ self.failUnlessEqual(data["segment"][2]["segment_number"], 2)
+ self.failUnlessEqual(data["segment"][2]["finish_time"], None)
+ phwr_id = base32.b2a(hashutil.tagged_hash("foo", "serverid_a")[:20])
+ cmpu_id = base32.b2a(hashutil.tagged_hash("foo", "serverid_b")[:20])
+ # serverids[] keys are strings, since that's what JSON does, but
+ # we'd really like them to be ints
+ self.failUnlessEqual(data["serverids"]["0"], "phwr")
+ self.failUnlessEqual(data["serverids"]["1"], "cmpu")
+ self.failUnlessEqual(data["server_info"][phwr_id]["short"], "phwr")
+ self.failUnlessEqual(data["server_info"][cmpu_id]["short"], "cmpu")
+ self.failUnless("dyhb" in data)
d.addCallback(_check_dl_json)
d.addCallback(lambda res: self.GET("/status/up-%d" % ul_num))
def _check_ul(res):
def relative_time(self, t):
if t is None:
return t
- if self.download_status.started is not None:
- return t - self.download_status.started
+ if self.download_status.first_timestamp is not None:
+ return t - self.download_status.first_timestamp
return t
def short_relative_time(self, t):
t = self.relative_time(t)
return ""
return "+%.6fs" % t
- def renderHTTP(self, ctx):
- req = inevow.IRequest(ctx)
- t = get_arg(req, "t")
- if t == "json":
- return self.json(req)
- return rend.Page.renderHTTP(self, ctx)
-
- def json(self, req):
- req.setHeader("content-type", "text/plain")
- data = {}
- dyhb_events = []
- for serverid,requests in self.download_status.dyhb_requests.iteritems():
- for req in requests:
- dyhb_events.append( (base32.b2a(serverid),) + req )
- dyhb_events.sort(key=lambda req: req[1])
- data["dyhb"] = dyhb_events
- request_events = []
- for serverid,requests in self.download_status.requests.iteritems():
- for req in requests:
- request_events.append( (base32.b2a(serverid),) + req )
- request_events.sort(key=lambda req: (req[4],req[1]))
- data["requests"] = request_events
- data["segment"] = self.download_status.segment_events
- data["read"] = self.download_status.read_events
+ def _find_overlap(self, events, start_key, end_key):
+ # given a list of event dicts, return a new list in which each event
+ # has an extra "row" key (an int, starting at 0). This is a hint to
+ # our JS frontend about how to overlap the parts of the graph it is
+ # drawing.
+
+ # we must always make a copy, since we're going to be adding "row"
+ # keys and don't want to change the original objects. If we're
+ # stringifying serverids, we'll also be changing the serverid keys.
+ new_events = []
+ rows = []
+ for ev in events:
+ ev = ev.copy()
+ if "serverid" in ev:
+ ev["serverid"] = base32.b2a(ev["serverid"])
+ # find an empty slot in the rows
+ free_slot = None
+ for row,finished in enumerate(rows):
+ if finished is not None:
+ if ev[start_key] > finished:
+ free_slot = row
+ break
+ if free_slot is None:
+ free_slot = len(rows)
+ rows.append(ev[end_key])
+ else:
+ rows[free_slot] = ev[end_key]
+ ev["row"] = free_slot
+ new_events.append(ev)
+ return new_events
+
+ def _find_overlap_requests(self, events):
+ """We compute a three-element 'row tuple' for each event: (serverid,
+ shnum, row). All elements are ints. The first is a mapping from
+ serverid to group number, the second is a mapping from shnum to
+ subgroup number. The third is a row within the subgroup.
+
+ We also return a list of lists of rowcounts, so renderers can decide
+ how much vertical space to give to each row.
+ """
+
+ serverid_to_group = {}
+ groupnum_to_rows = {} # maps groupnum to a table of rows. Each table
+ # is a list with an element for each row number
+ # (int starting from 0) that contains a
+ # finish_time, indicating that the row is empty
+ # beyond that time. If finish_time is None, it
+ # indicate a response that has not yet
+ # completed, so the row cannot be reused.
+ new_events = []
+ for ev in events:
+ # DownloadStatus promises to give us events in temporal order
+ ev = ev.copy()
+ ev["serverid"] = base32.b2a(ev["serverid"])
+ if ev["serverid"] not in serverid_to_group:
+ groupnum = len(serverid_to_group)
+ serverid_to_group[ev["serverid"]] = groupnum
+ groupnum = serverid_to_group[ev["serverid"]]
+ if groupnum not in groupnum_to_rows:
+ groupnum_to_rows[groupnum] = []
+ rows = groupnum_to_rows[groupnum]
+ # find an empty slot in the rows
+ free_slot = None
+ for row,finished in enumerate(rows):
+ if finished is not None:
+ if ev["start_time"] > finished:
+ free_slot = row
+ break
+ if free_slot is None:
+ free_slot = len(rows)
+ rows.append(ev["finish_time"])
+ else:
+ rows[free_slot] = ev["finish_time"]
+ ev["row"] = (groupnum, free_slot)
+ new_events.append(ev)
+ # maybe also return serverid_to_group, groupnum_to_rows, and some
+ # indication of the highest finish_time
+ #
+ # actually, return the highest rownum for each groupnum
+ highest_rownums = [len(groupnum_to_rows[groupnum])
+ for groupnum in range(len(serverid_to_group))]
+ return new_events, highest_rownums
+
+ def child_event_json(self, ctx):
+ inevow.IRequest(ctx).setHeader("content-type", "text/plain")
+ data = { } # this will be returned to the GET
+ ds = self.download_status
+
+ data["read"] = self._find_overlap(ds.read_events,
+ "start_time", "finish_time")
+ data["segment"] = self._find_overlap(ds.segment_events,
+ "start_time", "finish_time")
+ data["dyhb"] = self._find_overlap(ds.dyhb_requests,
+ "start_time", "finish_time")
+ data["block"],data["block_rownums"] = self._find_overlap_requests(ds.block_requests)
+
+ servernums = {}
+ serverid_strings = {}
+ for d_ev in data["dyhb"]:
+ if d_ev["serverid"] not in servernums:
+ servernum = len(servernums)
+ servernums[d_ev["serverid"]] = servernum
+ #title= "%s: %s" % ( ",".join([str(shnum) for shnum in shnums]))
+ serverid_strings[servernum] = d_ev["serverid"][:4]
+ data["server_info"] = dict([(serverid, {"num": servernums[serverid],
+ "color": self.color(base32.a2b(serverid)),
+ "short": serverid_strings[servernums[serverid]],
+ })
+ for serverid in servernums.keys()])
+ data["num_serverids"] = len(serverid_strings)
+ # we'd prefer the keys of serverids[] to be ints, but this is JSON,
+ # so they get converted to strings. Stupid javascript.
+ data["serverids"] = serverid_strings
+ data["bounds"] = {"min": ds.first_timestamp,
+ "max": ds.last_timestamp,
+ }
+ # for testing
+ ## data["bounds"]["max"] = tfmt(max([d_ev["finish_time"]
+ ## for d_ev in data["dyhb"]
+ ## if d_ev["finish_time"] is not None]
+ ## ))
return simplejson.dumps(data, indent=1) + "\n"
+ def _rate_and_time(self, bytes, seconds):
+ time_s = self.render_time(None, seconds)
+ if seconds != 0:
+ rate = self.render_rate(None, 1.0 * bytes / seconds)
+ return T.span(title=rate)[time_s]
+ return T.span[time_s]
+
def render_events(self, ctx, data):
if not self.download_status.storage_index:
return
srt = self.short_relative_time
l = T.div()
-
+
t = T.table(align="left", class_="status-download-events")
t[T.tr[T.th["serverid"], T.th["sent"], T.th["received"],
T.th["shnums"], T.th["RTT"]]]
- dyhb_events = []
- for serverid,requests in self.download_status.dyhb_requests.iteritems():
- for req in requests:
- dyhb_events.append( (serverid,) + req )
- dyhb_events.sort(key=lambda req: req[1])
- for d_ev in dyhb_events:
- (serverid, sent, shnums, received) = d_ev
+ for d_ev in self.download_status.dyhb_requests:
+ serverid = d_ev["serverid"]
+ sent = d_ev["start_time"]
+ shnums = d_ev["response_shnums"]
+ received = d_ev["finish_time"]
serverid_s = idlib.shortnodeid_b2a(serverid)
rtt = None
if received is not None:
T.td[",".join([str(shnum) for shnum in shnums])],
T.td[self.render_time(None, rtt)],
]]]
-
+
l[T.h2["DYHB Requests:"], t]
l[T.br(clear="all")]
-
+
t = T.table(align="left",class_="status-download-events")
t[T.tr[T.th["range"], T.th["start"], T.th["finish"], T.th["got"],
T.th["time"], T.th["decrypttime"], T.th["pausedtime"],
T.th["speed"]]]
for r_ev in self.download_status.read_events:
- (start, length, requesttime, finishtime, bytes, decrypt, paused) = r_ev
- if finishtime is not None:
- rtt = finishtime - requesttime - paused
+ start = r_ev["start"]
+ length = r_ev["length"]
+ bytes = r_ev["bytes_returned"]
+ decrypt_time = ""
+ if bytes:
+ decrypt_time = self._rate_and_time(bytes, r_ev["decrypt_time"])
+ speed, rtt = "",""
+ if r_ev["finish_time"] is not None:
+ rtt = r_ev["finish_time"] - r_ev["start_time"] - r_ev["paused_time"]
speed = self.render_rate(None, compute_rate(bytes, rtt))
rtt = self.render_time(None, rtt)
- decrypt = self.render_time(None, decrypt)
- paused = self.render_time(None, paused)
- else:
- speed, rtt, decrypt, paused = "","","",""
+ paused = self.render_time(None, r_ev["paused_time"])
+
t[T.tr[T.td["[%d:+%d]" % (start, length)],
- T.td[srt(requesttime)], T.td[srt(finishtime)],
- T.td[bytes], T.td[rtt], T.td[decrypt], T.td[paused],
+ T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
+ T.td[bytes], T.td[rtt],
+ T.td[decrypt_time], T.td[paused],
T.td[speed],
]]
-
+
l[T.h2["Read Events:"], t]
l[T.br(clear="all")]
-
+
t = T.table(align="left",class_="status-download-events")
- t[T.tr[T.th["type"], T.th["segnum"], T.th["when"], T.th["range"],
+ t[T.tr[T.th["segnum"], T.th["start"], T.th["active"], T.th["finish"],
+ T.th["range"],
T.th["decodetime"], T.th["segtime"], T.th["speed"]]]
- reqtime = (None, None)
for s_ev in self.download_status.segment_events:
- (etype, segnum, when, segstart, seglen, decodetime) = s_ev
- if etype == "request":
- t[T.tr[T.td["request"],
- T.td["seg%d" % segnum],
- T.td[srt(when)],
- T.td["-"],
- T.td["-"],
- T.td["-"],
- T.td["-"]]]
-
- reqtime = (segnum, when)
- elif etype == "delivery":
- if reqtime[0] == segnum:
- segtime = when - reqtime[1]
+ range_s = "-"
+ segtime_s = "-"
+ speed = "-"
+ decode_time = "-"
+ if s_ev["finish_time"] is not None:
+ if s_ev["success"]:
+ segtime = s_ev["finish_time"] - s_ev["active_time"]
+ segtime_s = self.render_time(None, segtime)
+ seglen = s_ev["segment_length"]
+ range_s = "[%d:+%d]" % (s_ev["segment_start"], seglen)
speed = self.render_rate(None, compute_rate(seglen, segtime))
- segtime = self.render_time(None, segtime)
+ decode_time = self._rate_and_time(seglen, s_ev["decode_time"])
else:
- segtime, speed = "", ""
- t[T.tr[T.td["delivery"], T.td["seg%d" % segnum],
- T.td[srt(when)],
- T.td["[%d:+%d]" % (segstart, seglen)],
- T.td[self.render_time(None,decodetime)],
- T.td[segtime], T.td[speed]]]
- elif etype == "error":
- t[T.tr[T.td["error"], T.td["seg%d" % segnum]]]
-
+ # error
+ range_s = "error"
+ else:
+ # not finished yet
+ pass
+
+ t[T.tr[T.td["seg%d" % s_ev["segment_number"]],
+ T.td[srt(s_ev["start_time"])],
+ T.td[srt(s_ev["active_time"])],
+ T.td[srt(s_ev["finish_time"])],
+ T.td[range_s],
+ T.td[decode_time],
+ T.td[segtime_s], T.td[speed]]]
+
l[T.h2["Segment Events:"], t]
l[T.br(clear="all")]
-
t = T.table(align="left",class_="status-download-events")
t[T.tr[T.th["serverid"], T.th["shnum"], T.th["range"],
- T.th["txtime"], T.th["rxtime"], T.th["received"], T.th["RTT"]]]
- reqtime = (None, None)
- request_events = []
- for serverid,requests in self.download_status.requests.iteritems():
- for req in requests:
- request_events.append( (serverid,) + req )
- request_events.sort(key=lambda req: (req[4],req[1]))
- for r_ev in request_events:
- (peerid, shnum, start, length, sent, receivedlen, received) = r_ev
+ T.th["txtime"], T.th["rxtime"],
+ T.th["received"], T.th["RTT"]]]
+ for r_ev in self.download_status.block_requests:
rtt = None
- if received is not None:
- rtt = received - sent
- peerid_s = idlib.shortnodeid_b2a(peerid)
- t[T.tr(style="background: %s" % self.color(peerid))[
- T.td[peerid_s], T.td[shnum],
- T.td["[%d:+%d]" % (start, length)],
- T.td[srt(sent)], T.td[srt(received)], T.td[receivedlen],
+ if r_ev["finish_time"] is not None:
+ rtt = r_ev["finish_time"] - r_ev["start_time"]
+ serverid_s = idlib.shortnodeid_b2a(r_ev["serverid"])
+ t[T.tr(style="background: %s" % self.color(r_ev["serverid"]))[
+ T.td[serverid_s], T.td[r_ev["shnum"]],
+ T.td["[%d:+%d]" % (r_ev["start"], r_ev["length"])],
+ T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
+ T.td[r_ev["response_length"] or ""],
T.td[self.render_time(None, rtt)],
]]
-
+
l[T.h2["Requests:"], t]
l[T.br(clear="all")]