src/allmydata/web/status.py

   1
   2 import time, pprint, itertools
   3 import simplejson
   4 from twisted.internet import defer
   5 from nevow import rend, inevow, tags as T
   6 from allmydata.util import base32, idlib
   7 from allmydata.web.common import getxmlfile, get_arg, \
   8      abbreviate_time, abbreviate_rate, abbreviate_size, plural, compute_rate
   9 from allmydata.interfaces import IUploadStatus, IDownloadStatus, \
  10      IPublishStatus, IRetrieveStatus, IServermapUpdaterStatus
  11
  12 class RateAndTimeMixin:
  13
  14     def render_time(self, ctx, data):
  15         return abbreviate_time(data)
  16
  17     def render_rate(self, ctx, data):
  18         return abbreviate_rate(data)
  19
  20 class UploadResultsRendererMixin(RateAndTimeMixin):
  21     # this requires a method named 'upload_results'
  22
  23     def render_pushed_shares(self, ctx, data):
  24         d = self.upload_results()
  25         d.addCallback(lambda res: res.get_pushed_shares())
  26         return d
  27
  28     def render_preexisting_shares(self, ctx, data):
  29         d = self.upload_results()
  30         d.addCallback(lambda res: res.get_preexisting_shares())
  31         return d
  32
  33     def render_sharemap(self, ctx, data):
  34         d = self.upload_results()
  35         d.addCallback(lambda res: res.get_sharemap())
  36         def _render(sharemap):
  37             if sharemap is None:
  38                 return "None"
  39             l = T.ul()
  40             for shnum, servers in sorted(sharemap.items()):
  41                 server_names = ', '.join([s.get_name() for s in servers])
  42                 l[T.li["%d -> placed on [%s]" % (shnum, server_names)]]
  43             return l
  44         d.addCallback(_render)
  45         return d
  46
  47     def render_servermap(self, ctx, data):
  48         d = self.upload_results()
  49         d.addCallback(lambda res: res.get_servermap())
  50         def _render(servermap):
  51             if servermap is None:
  52                 return "None"
  53             l = T.ul()
  54             for server, shnums in sorted(servermap.items()):
  55                 shares_s = ",".join(["#%d" % shnum for shnum in shnums])
  56                 l[T.li["[%s] got share%s: %s" % (server.get_name(),
  57                                                  plural(shnums), shares_s)]]
  58             return l
  59         d.addCallback(_render)
  60         return d
  61
  62     def data_file_size(self, ctx, data):
  63         d = self.upload_results()
  64         d.addCallback(lambda res: res.get_file_size())
  65         return d
  66
  67     def _get_time(self, name):
  68         d = self.upload_results()
  69         d.addCallback(lambda res: res.get_timings().get(name))
  70         return d
  71
  72     def data_time_total(self, ctx, data):
  73         return self._get_time("total")
  74
  75     def data_time_storage_index(self, ctx, data):
  76         return self._get_time("storage_index")
  77
  78     def data_time_contacting_helper(self, ctx, data):
  79         return self._get_time("contacting_helper")
  80
  81     def data_time_cumulative_fetch(self, ctx, data):
  82         return self._get_time("cumulative_fetch")
  83
  84     def data_time_helper_total(self, ctx, data):
  85         return self._get_time("helper_total")
  86
  87     def data_time_peer_selection(self, ctx, data):
  88         return self._get_time("peer_selection")
  89
  90     def data_time_total_encode_and_push(self, ctx, data):
  91         return self._get_time("total_encode_and_push")
  92
  93     def data_time_cumulative_encoding(self, ctx, data):
  94         return self._get_time("cumulative_encoding")
  95
  96     def data_time_cumulative_sending(self, ctx, data):
  97         return self._get_time("cumulative_sending")
  98
  99     def data_time_hashes_and_close(self, ctx, data):
 100         return self._get_time("hashes_and_close")
 101
 102     def _get_rate(self, name):
 103         d = self.upload_results()
 104         def _convert(r):
 105             file_size = r.get_file_size()
 106             time = r.get_timings().get(name)
 107             return compute_rate(file_size, time)
 108         d.addCallback(_convert)
 109         return d
 110
 111     def data_rate_total(self, ctx, data):
 112         return self._get_rate("total")
 113
 114     def data_rate_storage_index(self, ctx, data):
 115         return self._get_rate("storage_index")
 116
 117     def data_rate_encode(self, ctx, data):
 118         return self._get_rate("cumulative_encoding")
 119
 120     def data_rate_push(self, ctx, data):
 121         return self._get_rate("cumulative_sending")
 122
 123     def data_rate_encode_and_push(self, ctx, data):
 124         d = self.upload_results()
 125         def _convert(r):
 126             file_size = r.get_file_size()
 127             time1 = r.get_timings().get("cumulative_encoding")
 128             time2 = r.get_timings().get("cumulative_sending")
 129             if (time1 is None or time2 is None):
 130                 return None
 131             else:
 132                 return compute_rate(file_size, time1+time2)
 133         d.addCallback(_convert)
 134         return d
 135
 136     def data_rate_ciphertext_fetch(self, ctx, data):
 137         d = self.upload_results()
 138         def _convert(r):
 139             fetch_size = r.get_ciphertext_fetched()
 140             time = r.get_timings().get("cumulative_fetch")
 141             return compute_rate(fetch_size, time)
 142         d.addCallback(_convert)
 143         return d
 144
 145 class UploadStatusPage(UploadResultsRendererMixin, rend.Page):
 146     docFactory = getxmlfile("upload-status.xhtml")
 147
 148     def __init__(self, data):
 149         rend.Page.__init__(self, data)
 150         self.upload_status = data
 151
 152     def upload_results(self):
 153         return defer.maybeDeferred(self.upload_status.get_results)
 154
 155     def render_results(self, ctx, data):
 156         d = self.upload_results()
 157         def _got_results(results):
 158             if results:
 159                 return ctx.tag
 160             return ""
 161         d.addCallback(_got_results)
 162         return d
 163
 164     def render_started(self, ctx, data):
 165         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 166         started_s = time.strftime(TIME_FORMAT,
 167                                   time.localtime(data.get_started()))
 168         return started_s
 169
 170     def render_si(self, ctx, data):
 171         si_s = base32.b2a_or_none(data.get_storage_index())
 172         if si_s is None:
 173             si_s = "(None)"
 174         return si_s
 175
 176     def render_helper(self, ctx, data):
 177         return {True: "Yes",
 178                 False: "No"}[data.using_helper()]
 179
 180     def render_total_size(self, ctx, data):
 181         size = data.get_size()
 182         if size is None:
 183             return "(unknown)"
 184         return size
 185
 186     def render_progress_hash(self, ctx, data):
 187         progress = data.get_progress()[0]
 188         # TODO: make an ascii-art bar
 189         return "%.1f%%" % (100.0 * progress)
 190
 191     def render_progress_ciphertext(self, ctx, data):
 192         progress = data.get_progress()[1]
 193         # TODO: make an ascii-art bar
 194         return "%.1f%%" % (100.0 * progress)
 195
 196     def render_progress_encode_push(self, ctx, data):
 197         progress = data.get_progress()[2]
 198         # TODO: make an ascii-art bar
 199         return "%.1f%%" % (100.0 * progress)
 200
 201     def render_status(self, ctx, data):
 202         return data.get_status()
 203
 204 class DownloadResultsRendererMixin(RateAndTimeMixin):
 205     # this requires a method named 'download_results'
 206
 207     def render_servermap(self, ctx, data):
 208         d = self.download_results()
 209         d.addCallback(lambda res: res.servermap)
 210         def _render(servermap):
 211             if servermap is None:
 212                 return "None"
 213             l = T.ul()
 214             for peerid in sorted(servermap.keys()):
 215                 peerid_s = idlib.shortnodeid_b2a(peerid)
 216                 shares_s = ",".join(["#%d" % shnum
 217                                      for shnum in servermap[peerid]])
 218                 l[T.li["[%s] has share%s: %s" % (peerid_s,
 219                                                  plural(servermap[peerid]),
 220                                                  shares_s)]]
 221             return l
 222         d.addCallback(_render)
 223         return d
 224
 225     def render_servers_used(self, ctx, data):
 226         d = self.download_results()
 227         d.addCallback(lambda res: res.servers_used)
 228         def _got(servers_used):
 229             if not servers_used:
 230                 return ""
 231             peerids_s = ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
 232                                    for peerid in servers_used])
 233             return T.li["Servers Used: ", peerids_s]
 234         d.addCallback(_got)
 235         return d
 236
 237     def render_problems(self, ctx, data):
 238         d = self.download_results()
 239         d.addCallback(lambda res: res.server_problems)
 240         def _got(server_problems):
 241             if not server_problems:
 242                 return ""
 243             l = T.ul()
 244             for peerid in sorted(server_problems.keys()):
 245                 peerid_s = idlib.shortnodeid_b2a(peerid)
 246                 l[T.li["[%s]: %s" % (peerid_s, server_problems[peerid])]]
 247             return T.li["Server Problems:", l]
 248         d.addCallback(_got)
 249         return d
 250
 251     def data_file_size(self, ctx, data):
 252         d = self.download_results()
 253         d.addCallback(lambda res: res.file_size)
 254         return d
 255
 256     def _get_time(self, name):
 257         d = self.download_results()
 258         d.addCallback(lambda res: res.timings.get(name))
 259         return d
 260
 261     def data_time_total(self, ctx, data):
 262         return self._get_time("total")
 263
 264     def data_time_peer_selection(self, ctx, data):
 265         return self._get_time("peer_selection")
 266
 267     def data_time_uri_extension(self, ctx, data):
 268         return self._get_time("uri_extension")
 269
 270     def data_time_hashtrees(self, ctx, data):
 271         return self._get_time("hashtrees")
 272
 273     def data_time_segments(self, ctx, data):
 274         return self._get_time("segments")
 275
 276     def data_time_cumulative_fetch(self, ctx, data):
 277         return self._get_time("cumulative_fetch")
 278
 279     def data_time_cumulative_decode(self, ctx, data):
 280         return self._get_time("cumulative_decode")
 281
 282     def data_time_cumulative_decrypt(self, ctx, data):
 283         return self._get_time("cumulative_decrypt")
 284
 285     def data_time_paused(self, ctx, data):
 286         return self._get_time("paused")
 287
 288     def _get_rate(self, name):
 289         d = self.download_results()
 290         def _convert(r):
 291             file_size = r.file_size
 292             time = r.timings.get(name)
 293             return compute_rate(file_size, time)
 294         d.addCallback(_convert)
 295         return d
 296
 297     def data_rate_total(self, ctx, data):
 298         return self._get_rate("total")
 299
 300     def data_rate_segments(self, ctx, data):
 301         return self._get_rate("segments")
 302
 303     def data_rate_fetch(self, ctx, data):
 304         return self._get_rate("cumulative_fetch")
 305
 306     def data_rate_decode(self, ctx, data):
 307         return self._get_rate("cumulative_decode")
 308
 309     def data_rate_decrypt(self, ctx, data):
 310         return self._get_rate("cumulative_decrypt")
 311
 312     def render_server_timings(self, ctx, data):
 313         d = self.download_results()
 314         d.addCallback(lambda res: res.timings.get("fetch_per_server"))
 315         def _render(per_server):
 316             if per_server is None:
 317                 return ""
 318             l = T.ul()
 319             for peerid in sorted(per_server.keys()):
 320                 peerid_s = idlib.shortnodeid_b2a(peerid)
 321                 times_s = ", ".join([self.render_time(None, t)
 322                                      for t in per_server[peerid]])
 323                 l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 324             return T.li["Per-Server Segment Fetch Response Times: ", l]
 325         d.addCallback(_render)
 326         return d
 327
 328 class DownloadStatusPage(DownloadResultsRendererMixin, rend.Page):
 329     docFactory = getxmlfile("download-status.xhtml")
 330
 331     def __init__(self, data):
 332         rend.Page.__init__(self, data)
 333         self.download_status = data
 334
 335     def child_timeline(self, ctx):
 336         return DownloadStatusTimelinePage(self.download_status)
 337
 338     def download_results(self):
 339         return defer.maybeDeferred(self.download_status.get_results)
 340
 341     def relative_time(self, t):
 342         if t is None:
 343             return t
 344         if self.download_status.first_timestamp is not None:
 345             return t - self.download_status.first_timestamp
 346         return t
 347     def short_relative_time(self, t):
 348         t = self.relative_time(t)
 349         if t is None:
 350             return ""
 351         return "+%.6fs" % t
 352
 353     def _find_overlap(self, events, start_key, end_key):
 354         # given a list of event dicts, return a new list in which each event
 355         # has an extra "row" key (an int, starting at 0), and if appropriate
 356         # a "serverid" key (ascii-encoded server id), replacing the "server"
 357         # key. This is a hint to our JS frontend about how to overlap the
 358         # parts of the graph it is drawing.
 359
 360         # we must always make a copy, since we're going to be adding keys
 361         # and don't want to change the original objects. If we're
 362         # stringifying serverids, we'll also be changing the serverid keys.
 363         new_events = []
 364         rows = []
 365         for ev in events:
 366             ev = ev.copy()
 367             if ev.has_key('server'):
 368                 ev["serverid"] = base32.b2a(ev["server"].get_serverid())
 369                 del ev["server"]
 370             # find an empty slot in the rows
 371             free_slot = None
 372             for row,finished in enumerate(rows):
 373                 if finished is not None:
 374                     if ev[start_key] > finished:
 375                         free_slot = row
 376                         break
 377             if free_slot is None:
 378                 free_slot = len(rows)
 379                 rows.append(ev[end_key])
 380             else:
 381                 rows[free_slot] = ev[end_key]
 382             ev["row"] = free_slot
 383             new_events.append(ev)
 384         return new_events
 385
 386     def _find_overlap_requests(self, events):
 387         """We compute a three-element 'row tuple' for each event: (serverid,
 388         shnum, row). All elements are ints. The first is a mapping from
 389         serverid to group number, the second is a mapping from shnum to
 390         subgroup number. The third is a row within the subgroup.
 391
 392         We also return a list of lists of rowcounts, so renderers can decide
 393         how much vertical space to give to each row.
 394         """
 395
 396         serverid_to_group = {}
 397         groupnum_to_rows = {} # maps groupnum to a table of rows. Each table
 398                               # is a list with an element for each row number
 399                               # (int starting from 0) that contains a
 400                               # finish_time, indicating that the row is empty
 401                               # beyond that time. If finish_time is None, it
 402                               # indicate a response that has not yet
 403                               # completed, so the row cannot be reused.
 404         new_events = []
 405         for ev in events:
 406             # DownloadStatus promises to give us events in temporal order
 407             ev = ev.copy()
 408             ev["serverid"] = base32.b2a(ev["server"].get_serverid())
 409             del ev["server"]
 410             if ev["serverid"] not in serverid_to_group:
 411                 groupnum = len(serverid_to_group)
 412                 serverid_to_group[ev["serverid"]] = groupnum
 413             groupnum = serverid_to_group[ev["serverid"]]
 414             if groupnum not in groupnum_to_rows:
 415                 groupnum_to_rows[groupnum] = []
 416             rows = groupnum_to_rows[groupnum]
 417             # find an empty slot in the rows
 418             free_slot = None
 419             for row,finished in enumerate(rows):
 420                 if finished is not None:
 421                     if ev["start_time"] > finished:
 422                         free_slot = row
 423                         break
 424             if free_slot is None:
 425                 free_slot = len(rows)
 426                 rows.append(ev["finish_time"])
 427             else:
 428                 rows[free_slot] = ev["finish_time"]
 429             ev["row"] = (groupnum, free_slot)
 430             new_events.append(ev)
 431         # maybe also return serverid_to_group, groupnum_to_rows, and some
 432         # indication of the highest finish_time
 433         #
 434         # actually, return the highest rownum for each groupnum
 435         highest_rownums = [len(groupnum_to_rows[groupnum])
 436                            for groupnum in range(len(serverid_to_group))]
 437         return new_events, highest_rownums
 438
 439     def child_event_json(self, ctx):
 440         inevow.IRequest(ctx).setHeader("content-type", "text/plain")
 441         data = { } # this will be returned to the GET
 442         ds = self.download_status
 443
 444         data["misc"] = self._find_overlap(ds.misc_events,
 445                                           "start_time", "finish_time")
 446         data["read"] = self._find_overlap(ds.read_events,
 447                                           "start_time", "finish_time")
 448         data["segment"] = self._find_overlap(ds.segment_events,
 449                                              "start_time", "finish_time")
 450         # TODO: overlap on DYHB isn't very useful, and usually gets in the
 451         # way. So don't do it.
 452         data["dyhb"] = self._find_overlap(ds.dyhb_requests,
 453                                           "start_time", "finish_time")
 454         data["block"],data["block_rownums"] = self._find_overlap_requests(ds.block_requests)
 455
 456         servernums = {}
 457         serverid_strings = {}
 458         for d_ev in data["dyhb"]:
 459             if d_ev["serverid"] not in servernums:
 460                 servernum = len(servernums)
 461                 servernums[d_ev["serverid"]] = servernum
 462                 #title= "%s: %s" % ( ",".join([str(shnum) for shnum in shnums]))
 463                 serverid_strings[servernum] = d_ev["serverid"][:4]
 464         data["server_info"] = dict([(serverid, {"num": servernums[serverid],
 465                                                 "color": self.color(base32.a2b(serverid)),
 466                                                 "short": serverid_strings[servernums[serverid]],
 467                                                 })
 468                                    for serverid in servernums.keys()])
 469         data["num_serverids"] = len(serverid_strings)
 470         # we'd prefer the keys of serverids[] to be ints, but this is JSON,
 471         # so they get converted to strings. Stupid javascript.
 472         data["serverids"] = serverid_strings
 473         data["bounds"] = {"min": ds.first_timestamp, "max": ds.last_timestamp}
 474         return simplejson.dumps(data, indent=1) + "\n"
 475
 476     def render_timeline_link(self, ctx, data):
 477         from nevow import url
 478         return T.a(href=url.URL.fromContext(ctx).child("timeline"))["timeline"]
 479
 480     def _rate_and_time(self, bytes, seconds):
 481         time_s = self.render_time(None, seconds)
 482         if seconds != 0:
 483             rate = self.render_rate(None, 1.0 * bytes / seconds)
 484             return T.span(title=rate)[time_s]
 485         return T.span[time_s]
 486
 487     def render_events(self, ctx, data):
 488         if not self.download_status.storage_index:
 489             return
 490         srt = self.short_relative_time
 491         l = T.div()
 492
 493         t = T.table(align="left", class_="status-download-events")
 494         t[T.tr[T.th["serverid"], T.th["sent"], T.th["received"],
 495                T.th["shnums"], T.th["RTT"]]]
 496         for d_ev in self.download_status.dyhb_requests:
 497             server = d_ev["server"]
 498             sent = d_ev["start_time"]
 499             shnums = d_ev["response_shnums"]
 500             received = d_ev["finish_time"]
 501             rtt = None
 502             if received is not None:
 503                 rtt = received - sent
 504             if not shnums:
 505                 shnums = ["-"]
 506             t[T.tr(style="background: %s" % self.color(server.get_serverid()))[
 507                 [T.td[server.get_name()], T.td[srt(sent)], T.td[srt(received)],
 508                  T.td[",".join([str(shnum) for shnum in shnums])],
 509                  T.td[self.render_time(None, rtt)],
 510                  ]]]
 511
 512         l[T.h2["DYHB Requests:"], t]
 513         l[T.br(clear="all")]
 514
 515         t = T.table(align="left",class_="status-download-events")
 516         t[T.tr[T.th["range"], T.th["start"], T.th["finish"], T.th["got"],
 517                T.th["time"], T.th["decrypttime"], T.th["pausedtime"],
 518                T.th["speed"]]]
 519         for r_ev in self.download_status.read_events:
 520             start = r_ev["start"]
 521             length = r_ev["length"]
 522             bytes = r_ev["bytes_returned"]
 523             decrypt_time = ""
 524             if bytes:
 525                 decrypt_time = self._rate_and_time(bytes, r_ev["decrypt_time"])
 526             speed, rtt = "",""
 527             if r_ev["finish_time"] is not None:
 528                 rtt = r_ev["finish_time"] - r_ev["start_time"] - r_ev["paused_time"]
 529                 speed = self.render_rate(None, compute_rate(bytes, rtt))
 530                 rtt = self.render_time(None, rtt)
 531             paused = self.render_time(None, r_ev["paused_time"])
 532
 533             t[T.tr[T.td["[%d:+%d]" % (start, length)],
 534                    T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
 535                    T.td[bytes], T.td[rtt],
 536                    T.td[decrypt_time], T.td[paused],
 537                    T.td[speed],
 538                    ]]
 539
 540         l[T.h2["Read Events:"], t]
 541         l[T.br(clear="all")]
 542
 543         t = T.table(align="left",class_="status-download-events")
 544         t[T.tr[T.th["segnum"], T.th["start"], T.th["active"], T.th["finish"],
 545                T.th["range"],
 546                T.th["decodetime"], T.th["segtime"], T.th["speed"]]]
 547         for s_ev in self.download_status.segment_events:
 548             range_s = "-"
 549             segtime_s = "-"
 550             speed = "-"
 551             decode_time = "-"
 552             if s_ev["finish_time"] is not None:
 553                 if s_ev["success"]:
 554                     segtime = s_ev["finish_time"] - s_ev["active_time"]
 555                     segtime_s = self.render_time(None, segtime)
 556                     seglen = s_ev["segment_length"]
 557                     range_s = "[%d:+%d]" % (s_ev["segment_start"], seglen)
 558                     speed = self.render_rate(None, compute_rate(seglen, segtime))
 559                     decode_time = self._rate_and_time(seglen, s_ev["decode_time"])
 560                 else:
 561                     # error
 562                     range_s = "error"
 563             else:
 564                 # not finished yet
 565                 pass
 566
 567             t[T.tr[T.td["seg%d" % s_ev["segment_number"]],
 568                    T.td[srt(s_ev["start_time"])],
 569                    T.td[srt(s_ev["active_time"])],
 570                    T.td[srt(s_ev["finish_time"])],
 571                    T.td[range_s],
 572                    T.td[decode_time],
 573                    T.td[segtime_s], T.td[speed]]]
 574
 575         l[T.h2["Segment Events:"], t]
 576         l[T.br(clear="all")]
 577         t = T.table(align="left",class_="status-download-events")
 578         t[T.tr[T.th["serverid"], T.th["shnum"], T.th["range"],
 579                T.th["txtime"], T.th["rxtime"],
 580                T.th["received"], T.th["RTT"]]]
 581         for r_ev in self.download_status.block_requests:
 582             server = r_ev["server"]
 583             rtt = None
 584             if r_ev["finish_time"] is not None:
 585                 rtt = r_ev["finish_time"] - r_ev["start_time"]
 586             color = self.color(server.get_serverid())
 587             t[T.tr(style="background: %s" % color)[
 588                 T.td[server.get_name()], T.td[r_ev["shnum"]],
 589                 T.td["[%d:+%d]" % (r_ev["start"], r_ev["length"])],
 590                 T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
 591                 T.td[r_ev["response_length"] or ""],
 592                 T.td[self.render_time(None, rtt)],
 593                 ]]
 594
 595         l[T.h2["Requests:"], t]
 596         l[T.br(clear="all")]
 597
 598         return l
 599
 600     def color(self, peerid):
 601         def m(c):
 602             return min(ord(c) / 2 + 0x80, 0xff)
 603         return "#%02x%02x%02x" % (m(peerid[0]), m(peerid[1]), m(peerid[2]))
 604
 605     def render_results(self, ctx, data):
 606         d = self.download_results()
 607         def _got_results(results):
 608             if results:
 609                 return ctx.tag
 610             return ""
 611         d.addCallback(_got_results)
 612         return d
 613
 614     def render_started(self, ctx, data):
 615         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 616         started_s = time.strftime(TIME_FORMAT,
 617                                   time.localtime(data.get_started()))
 618         return started_s + " (%s)" % data.get_started()
 619
 620     def render_si(self, ctx, data):
 621         si_s = base32.b2a_or_none(data.get_storage_index())
 622         if si_s is None:
 623             si_s = "(None)"
 624         return si_s
 625
 626     def render_helper(self, ctx, data):
 627         return {True: "Yes",
 628                 False: "No"}[data.using_helper()]
 629
 630     def render_total_size(self, ctx, data):
 631         size = data.get_size()
 632         if size is None:
 633             return "(unknown)"
 634         return size
 635
 636     def render_progress(self, ctx, data):
 637         progress = data.get_progress()
 638         # TODO: make an ascii-art bar
 639         return "%.1f%%" % (100.0 * progress)
 640
 641     def render_status(self, ctx, data):
 642         return data.get_status()
 643
 644 class DownloadStatusTimelinePage(rend.Page):
 645     docFactory = getxmlfile("download-status-timeline.xhtml")
 646
 647     def render_started(self, ctx, data):
 648         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 649         started_s = time.strftime(TIME_FORMAT,
 650                                   time.localtime(data.get_started()))
 651         return started_s + " (%s)" % data.get_started()
 652
 653     def render_si(self, ctx, data):
 654         si_s = base32.b2a_or_none(data.get_storage_index())
 655         if si_s is None:
 656             si_s = "(None)"
 657         return si_s
 658
 659     def render_helper(self, ctx, data):
 660         return {True: "Yes",
 661                 False: "No"}[data.using_helper()]
 662
 663     def render_total_size(self, ctx, data):
 664         size = data.get_size()
 665         if size is None:
 666             return "(unknown)"
 667         return size
 668
 669     def render_progress(self, ctx, data):
 670         progress = data.get_progress()
 671         # TODO: make an ascii-art bar
 672         return "%.1f%%" % (100.0 * progress)
 673
 674     def render_status(self, ctx, data):
 675         return data.get_status()
 676
 677 class RetrieveStatusPage(rend.Page, RateAndTimeMixin):
 678     docFactory = getxmlfile("retrieve-status.xhtml")
 679
 680     def __init__(self, data):
 681         rend.Page.__init__(self, data)
 682         self.retrieve_status = data
 683
 684     def render_started(self, ctx, data):
 685         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 686         started_s = time.strftime(TIME_FORMAT,
 687                                   time.localtime(data.get_started()))
 688         return started_s
 689
 690     def render_si(self, ctx, data):
 691         si_s = base32.b2a_or_none(data.get_storage_index())
 692         if si_s is None:
 693             si_s = "(None)"
 694         return si_s
 695
 696     def render_helper(self, ctx, data):
 697         return {True: "Yes",
 698                 False: "No"}[data.using_helper()]
 699
 700     def render_current_size(self, ctx, data):
 701         size = data.get_size()
 702         if size is None:
 703             size = "(unknown)"
 704         return size
 705
 706     def render_progress(self, ctx, data):
 707         progress = data.get_progress()
 708         # TODO: make an ascii-art bar
 709         return "%.1f%%" % (100.0 * progress)
 710
 711     def render_status(self, ctx, data):
 712         return data.get_status()
 713
 714     def render_encoding(self, ctx, data):
 715         k, n = data.get_encoding()
 716         return ctx.tag["Encoding: %s of %s" % (k, n)]
 717
 718     def render_problems(self, ctx, data):
 719         problems = data.get_problems()
 720         if not problems:
 721             return ""
 722         l = T.ul()
 723         for peerid in sorted(problems.keys()):
 724             peerid_s = idlib.shortnodeid_b2a(peerid)
 725             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 726         return ctx.tag["Server Problems:", l]
 727
 728     def _get_rate(self, data, name):
 729         file_size = self.retrieve_status.get_size()
 730         time = self.retrieve_status.timings.get(name)
 731         return compute_rate(file_size, time)
 732
 733     def data_time_total(self, ctx, data):
 734         return self.retrieve_status.timings.get("total")
 735     def data_rate_total(self, ctx, data):
 736         return self._get_rate(data, "total")
 737
 738     def data_time_fetch(self, ctx, data):
 739         return self.retrieve_status.timings.get("fetch")
 740     def data_rate_fetch(self, ctx, data):
 741         return self._get_rate(data, "fetch")
 742
 743     def data_time_decode(self, ctx, data):
 744         return self.retrieve_status.timings.get("decode")
 745     def data_rate_decode(self, ctx, data):
 746         return self._get_rate(data, "decode")
 747
 748     def data_time_decrypt(self, ctx, data):
 749         return self.retrieve_status.timings.get("decrypt")
 750     def data_rate_decrypt(self, ctx, data):
 751         return self._get_rate(data, "decrypt")
 752
 753     def render_server_timings(self, ctx, data):
 754         per_server = self.retrieve_status.timings.get("fetch_per_server")
 755         if not per_server:
 756             return ""
 757         l = T.ul()
 758         for server in sorted(per_server.keys(), key=lambda s: s.get_name()):
 759             times_s = ", ".join([self.render_time(None, t)
 760                                  for t in per_server[server]])
 761             l[T.li["[%s]: %s" % (server.get_name(), times_s)]]
 762         return T.li["Per-Server Fetch Response Times: ", l]
 763
 764
 765 class PublishStatusPage(rend.Page, RateAndTimeMixin):
 766     docFactory = getxmlfile("publish-status.xhtml")
 767
 768     def __init__(self, data):
 769         rend.Page.__init__(self, data)
 770         self.publish_status = data
 771
 772     def render_started(self, ctx, data):
 773         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 774         started_s = time.strftime(TIME_FORMAT,
 775                                   time.localtime(data.get_started()))
 776         return started_s
 777
 778     def render_si(self, ctx, data):
 779         si_s = base32.b2a_or_none(data.get_storage_index())
 780         if si_s is None:
 781             si_s = "(None)"
 782         return si_s
 783
 784     def render_helper(self, ctx, data):
 785         return {True: "Yes",
 786                 False: "No"}[data.using_helper()]
 787
 788     def render_current_size(self, ctx, data):
 789         size = data.get_size()
 790         if size is None:
 791             size = "(unknown)"
 792         return size
 793
 794     def render_progress(self, ctx, data):
 795         progress = data.get_progress()
 796         # TODO: make an ascii-art bar
 797         return "%.1f%%" % (100.0 * progress)
 798
 799     def render_status(self, ctx, data):
 800         return data.get_status()
 801
 802     def render_encoding(self, ctx, data):
 803         k, n = data.get_encoding()
 804         return ctx.tag["Encoding: %s of %s" % (k, n)]
 805
 806     def render_sharemap(self, ctx, data):
 807         servermap = data.get_servermap()
 808         if servermap is None:
 809             return ctx.tag["None"]
 810         l = T.ul()
 811         sharemap = servermap.make_sharemap()
 812         for shnum in sorted(sharemap.keys()):
 813             l[T.li["%d -> Placed on " % shnum,
 814                    ", ".join(["[%s]" % server.get_name()
 815                               for server in sharemap[shnum]])]]
 816         return ctx.tag["Sharemap:", l]
 817
 818     def render_problems(self, ctx, data):
 819         problems = data.get_problems()
 820         if not problems:
 821             return ""
 822         l = T.ul()
 823         # XXX: is this exercised? I don't think PublishStatus.problems is
 824         # ever populated
 825         for peerid in sorted(problems.keys()):
 826             peerid_s = idlib.shortnodeid_b2a(peerid)
 827             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 828         return ctx.tag["Server Problems:", l]
 829
 830     def _get_rate(self, data, name):
 831         file_size = self.publish_status.get_size()
 832         time = self.publish_status.timings.get(name)
 833         return compute_rate(file_size, time)
 834
 835     def data_time_total(self, ctx, data):
 836         return self.publish_status.timings.get("total")
 837     def data_rate_total(self, ctx, data):
 838         return self._get_rate(data, "total")
 839
 840     def data_time_setup(self, ctx, data):
 841         return self.publish_status.timings.get("setup")
 842
 843     def data_time_encrypt(self, ctx, data):
 844         return self.publish_status.timings.get("encrypt")
 845     def data_rate_encrypt(self, ctx, data):
 846         return self._get_rate(data, "encrypt")
 847
 848     def data_time_encode(self, ctx, data):
 849         return self.publish_status.timings.get("encode")
 850     def data_rate_encode(self, ctx, data):
 851         return self._get_rate(data, "encode")
 852
 853     def data_time_pack(self, ctx, data):
 854         return self.publish_status.timings.get("pack")
 855     def data_rate_pack(self, ctx, data):
 856         return self._get_rate(data, "pack")
 857     def data_time_sign(self, ctx, data):
 858         return self.publish_status.timings.get("sign")
 859
 860     def data_time_push(self, ctx, data):
 861         return self.publish_status.timings.get("push")
 862     def data_rate_push(self, ctx, data):
 863         return self._get_rate(data, "push")
 864
 865     def render_server_timings(self, ctx, data):
 866         per_server = self.publish_status.timings.get("send_per_server")
 867         if not per_server:
 868             return ""
 869         l = T.ul()
 870         for server in sorted(per_server.keys(), key=lambda s: s.get_name()):
 871             times_s = ", ".join([self.render_time(None, t)
 872                                  for t in per_server[server]])
 873             l[T.li["[%s]: %s" % (server.get_name(), times_s)]]
 874         return T.li["Per-Server Response Times: ", l]
 875
 876 class MapupdateStatusPage(rend.Page, RateAndTimeMixin):
 877     docFactory = getxmlfile("map-update-status.xhtml")
 878
 879     def __init__(self, data):
 880         rend.Page.__init__(self, data)
 881         self.update_status = data
 882
 883     def render_started(self, ctx, data):
 884         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 885         started_s = time.strftime(TIME_FORMAT,
 886                                   time.localtime(data.get_started()))
 887         return started_s
 888
 889     def render_finished(self, ctx, data):
 890         when = data.get_finished()
 891         if not when:
 892             return "not yet"
 893         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 894         started_s = time.strftime(TIME_FORMAT,
 895                                   time.localtime(data.get_finished()))
 896         return started_s
 897
 898     def render_si(self, ctx, data):
 899         si_s = base32.b2a_or_none(data.get_storage_index())
 900         if si_s is None:
 901             si_s = "(None)"
 902         return si_s
 903
 904     def render_helper(self, ctx, data):
 905         return {True: "Yes",
 906                 False: "No"}[data.using_helper()]
 907
 908     def render_progress(self, ctx, data):
 909         progress = data.get_progress()
 910         # TODO: make an ascii-art bar
 911         return "%.1f%%" % (100.0 * progress)
 912
 913     def render_status(self, ctx, data):
 914         return data.get_status()
 915
 916     def render_problems(self, ctx, data):
 917         problems = data.problems
 918         if not problems:
 919             return ""
 920         l = T.ul()
 921         for peerid in sorted(problems.keys()):
 922             peerid_s = idlib.shortnodeid_b2a(peerid)
 923             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 924         return ctx.tag["Server Problems:", l]
 925
 926     def render_privkey_from(self, ctx, data):
 927         server = data.get_privkey_from()
 928         if server:
 929             return ctx.tag["Got privkey from: [%s]" % server.get_name()]
 930         else:
 931             return ""
 932
 933     def data_time_total(self, ctx, data):
 934         return self.update_status.timings.get("total")
 935
 936     def data_time_initial_queries(self, ctx, data):
 937         return self.update_status.timings.get("initial_queries")
 938
 939     def data_time_cumulative_verify(self, ctx, data):
 940         return self.update_status.timings.get("cumulative_verify")
 941
 942     def render_server_timings(self, ctx, data):
 943         per_server = self.update_status.timings.get("per_server")
 944         if not per_server:
 945             return ""
 946         l = T.ul()
 947         for server in sorted(per_server.keys(), key=lambda s: s.get_name()):
 948             times = []
 949             for op,started,t in per_server[server]:
 950                 #times.append("%s/%.4fs/%s/%s" % (op,
 951                 #                              started,
 952                 #                              self.render_time(None, started - self.update_status.get_started()),
 953                 #                              self.render_time(None,t)))
 954                 if op == "query":
 955                     times.append( self.render_time(None, t) )
 956                 elif op == "late":
 957                     times.append( "late(" + self.render_time(None, t) + ")" )
 958                 else:
 959                     times.append( "privkey(" + self.render_time(None, t) + ")" )
 960             times_s = ", ".join(times)
 961             l[T.li["[%s]: %s" % (server.get_name(), times_s)]]
 962         return T.li["Per-Server Response Times: ", l]
 963
 964     def render_timing_chart(self, ctx, data):
 965         imageurl = self._timing_chart()
 966         return ctx.tag[imageurl]
 967
 968     def _timing_chart(self):
 969         started = self.update_status.get_started()
 970         total = self.update_status.timings.get("total")
 971         per_server = self.update_status.timings.get("per_server")
 972         # We'd like to use an https: URL here, but the site has a domain/cert mismatch.
 973         base = "http://chart.apis.google.com/chart?"
 974         pieces = ["cht=bhs"]
 975         pieces.append("chco=ffffff,4d89f9,c6d9fd") # colors
 976         data0 = []
 977         data1 = []
 978         data2 = []
 979         nb_nodes = 0
 980         graph_botom_margin= 21
 981         graph_top_margin = 5
 982         server_names = []
 983         top_abs = started
 984         # we sort the queries by the time at which we sent the first request
 985         sorttable = [ (times[0][1], server)
 986                       for server, times in per_server.items() ]
 987         sorttable.sort()
 988         servers = [t[1] for t in sorttable]
 989
 990         for server in servers:
 991             nb_nodes += 1
 992             times = per_server[server]
 993             name = server.get_name()
 994             server_names.append(name)
 995             # for servermap updates, there are either one or two queries per
 996             # peer. The second (if present) is to get the privkey.
 997             op,q_started,q_elapsed = times[0]
 998             data0.append("%.3f" % (q_started-started))
 999             data1.append("%.3f" % q_elapsed)
1000             top_abs = max(top_abs, q_started+q_elapsed)
1001             if len(times) > 1:
1002                 op,p_started,p_elapsed = times[0]
1003                 data2.append("%.3f" % p_elapsed)
1004                 top_abs = max(top_abs, p_started+p_elapsed)
1005             else:
1006                 data2.append("0.0")
1007         finished = self.update_status.get_finished()
1008         if finished:
1009             top_abs = max(top_abs, finished)
1010         top_rel = top_abs - started
1011         chs ="chs=400x%d" % ( (nb_nodes*28) + graph_top_margin + graph_botom_margin )
1012         chd = "chd=t:" + "|".join([",".join(data0),
1013                                    ",".join(data1),
1014                                    ",".join(data2)])
1015         pieces.append(chd)
1016         pieces.append(chs)
1017         chds = "chds=0,%0.3f" % top_rel
1018         pieces.append(chds)
1019         pieces.append("chxt=x,y")
1020         pieces.append("chxr=0,0.0,%0.3f" % top_rel)
1021         pieces.append("chxl=1:|" + "|".join(reversed(server_names)))
1022         # use up to 10 grid lines, at decimal multiples.
1023         # mathutil.next_power_of_k doesn't handle numbers smaller than one,
1024         # unfortunately.
1025         #pieces.append("chg="
1026
1027         if total is not None:
1028             finished_f = 1.0 * total / top_rel
1029             pieces.append("chm=r,FF0000,0,%0.3f,%0.3f" % (finished_f,
1030                                                           finished_f+0.01))
1031         url = base + "&".join(pieces)
1032         return T.img(src=url,border="1",align="right", float="right")
1033
1034
1035 class Status(rend.Page):
1036     docFactory = getxmlfile("status.xhtml")
1037     addSlash = True
1038
1039     def __init__(self, history):
1040         rend.Page.__init__(self, history)
1041         self.history = history
1042
1043     def renderHTTP(self, ctx):
1044         req = inevow.IRequest(ctx)
1045         t = get_arg(req, "t")
1046         if t == "json":
1047             return self.json(req)
1048         return rend.Page.renderHTTP(self, ctx)
1049
1050     def json(self, req):
1051         req.setHeader("content-type", "text/plain")
1052         data = {}
1053         data["active"] = active = []
1054         for s in self._get_active_operations():
1055             si_s = base32.b2a_or_none(s.get_storage_index())
1056             size = s.get_size()
1057             status = s.get_status()
1058             if IUploadStatus.providedBy(s):
1059                 h,c,e = s.get_progress()
1060                 active.append({"type": "upload",
1061                                "storage-index-string": si_s,
1062                                "total-size": size,
1063                                "status": status,
1064                                "progress-hash": h,
1065                                "progress-ciphertext": c,
1066                                "progress-encode-push": e,
1067                                })
1068             elif IDownloadStatus.providedBy(s):
1069                 active.append({"type": "download",
1070                                "storage-index-string": si_s,
1071                                "total-size": size,
1072                                "status": status,
1073                                "progress": s.get_progress(),
1074                                })
1075
1076         return simplejson.dumps(data, indent=1) + "\n"
1077
1078     def _get_all_statuses(self):
1079         h = self.history
1080         return itertools.chain(h.list_all_upload_statuses(),
1081                                h.list_all_download_statuses(),
1082                                h.list_all_mapupdate_statuses(),
1083                                h.list_all_publish_statuses(),
1084                                h.list_all_retrieve_statuses(),
1085                                h.list_all_helper_statuses(),
1086                                )
1087
1088     def data_active_operations(self, ctx, data):
1089         return self._get_active_operations()
1090
1091     def _get_active_operations(self):
1092         active = [s
1093                   for s in self._get_all_statuses()
1094                   if s.get_active()]
1095         return active
1096
1097     def data_recent_operations(self, ctx, data):
1098         return self._get_recent_operations()
1099
1100     def _get_recent_operations(self):
1101         recent = [s
1102                   for s in self._get_all_statuses()
1103                   if not s.get_active()]
1104         recent.sort(lambda a,b: cmp(a.get_started(), b.get_started()))
1105         recent.reverse()
1106         return recent
1107
1108     def render_row(self, ctx, data):
1109         s = data
1110
1111         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
1112         started_s = time.strftime(TIME_FORMAT,
1113                                   time.localtime(s.get_started()))
1114         ctx.fillSlots("started", started_s)
1115
1116         si_s = base32.b2a_or_none(s.get_storage_index())
1117         if si_s is None:
1118             si_s = "(None)"
1119         ctx.fillSlots("si", si_s)
1120         ctx.fillSlots("helper", {True: "Yes",
1121                                  False: "No"}[s.using_helper()])
1122
1123         size = s.get_size()
1124         if size is None:
1125             size = "(unknown)"
1126         elif isinstance(size, (int, long, float)):
1127             size = abbreviate_size(size)
1128         ctx.fillSlots("total_size", size)
1129
1130         progress = data.get_progress()
1131         if IUploadStatus.providedBy(data):
1132             link = "up-%d" % data.get_counter()
1133             ctx.fillSlots("type", "upload")
1134             # TODO: make an ascii-art bar
1135             (chk, ciphertext, encandpush) = progress
1136             progress_s = ("hash: %.1f%%, ciphertext: %.1f%%, encode: %.1f%%" %
1137                           ( (100.0 * chk),
1138                             (100.0 * ciphertext),
1139                             (100.0 * encandpush) ))
1140             ctx.fillSlots("progress", progress_s)
1141         elif IDownloadStatus.providedBy(data):
1142             link = "down-%d" % data.get_counter()
1143             ctx.fillSlots("type", "download")
1144             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1145         elif IPublishStatus.providedBy(data):
1146             link = "publish-%d" % data.get_counter()
1147             ctx.fillSlots("type", "publish")
1148             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1149         elif IRetrieveStatus.providedBy(data):
1150             ctx.fillSlots("type", "retrieve")
1151             link = "retrieve-%d" % data.get_counter()
1152             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1153         else:
1154             assert IServermapUpdaterStatus.providedBy(data)
1155             ctx.fillSlots("type", "mapupdate %s" % data.get_mode())
1156             link = "mapupdate-%d" % data.get_counter()
1157             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1158         ctx.fillSlots("status", T.a(href=link)[s.get_status()])
1159         return ctx.tag
1160
1161     def childFactory(self, ctx, name):
1162         h = self.history
1163         stype,count_s = name.split("-")
1164         count = int(count_s)
1165         if stype == "up":
1166             for s in itertools.chain(h.list_all_upload_statuses(),
1167                                      h.list_all_helper_statuses()):
1168                 # immutable-upload helpers use the same status object as a
1169                 # regular immutable-upload
1170                 if s.get_counter() == count:
1171                     return UploadStatusPage(s)
1172         if stype == "down":
1173             for s in h.list_all_download_statuses():
1174                 if s.get_counter() == count:
1175                     return DownloadStatusPage(s)
1176         if stype == "mapupdate":
1177             for s in h.list_all_mapupdate_statuses():
1178                 if s.get_counter() == count:
1179                     return MapupdateStatusPage(s)
1180         if stype == "publish":
1181             for s in h.list_all_publish_statuses():
1182                 if s.get_counter() == count:
1183                     return PublishStatusPage(s)
1184         if stype == "retrieve":
1185             for s in h.list_all_retrieve_statuses():
1186                 if s.get_counter() == count:
1187                     return RetrieveStatusPage(s)
1188
1189
1190 class HelperStatus(rend.Page):
1191     docFactory = getxmlfile("helper.xhtml")
1192
1193     def __init__(self, helper):
1194         rend.Page.__init__(self, helper)
1195         self.helper = helper
1196
1197     def renderHTTP(self, ctx):
1198         req = inevow.IRequest(ctx)
1199         t = get_arg(req, "t")
1200         if t == "json":
1201             return self.render_JSON(req)
1202         return rend.Page.renderHTTP(self, ctx)
1203
1204     def data_helper_stats(self, ctx, data):
1205         return self.helper.get_stats()
1206
1207     def render_JSON(self, req):
1208         req.setHeader("content-type", "text/plain")
1209         if self.helper:
1210             stats = self.helper.get_stats()
1211             return simplejson.dumps(stats, indent=1) + "\n"
1212         return simplejson.dumps({}) + "\n"
1213
1214     def render_active_uploads(self, ctx, data):
1215         return data["chk_upload_helper.active_uploads"]
1216
1217     def render_incoming(self, ctx, data):
1218         return "%d bytes in %d files" % (data["chk_upload_helper.incoming_size"],
1219                                          data["chk_upload_helper.incoming_count"])
1220
1221     def render_encoding(self, ctx, data):
1222         return "%d bytes in %d files" % (data["chk_upload_helper.encoding_size"],
1223                                          data["chk_upload_helper.encoding_count"])
1224
1225     def render_upload_requests(self, ctx, data):
1226         return str(data["chk_upload_helper.upload_requests"])
1227
1228     def render_upload_already_present(self, ctx, data):
1229         return str(data["chk_upload_helper.upload_already_present"])
1230
1231     def render_upload_need_upload(self, ctx, data):
1232         return str(data["chk_upload_helper.upload_need_upload"])
1233
1234     def render_upload_bytes_fetched(self, ctx, data):
1235         return str(data["chk_upload_helper.fetched_bytes"])
1236
1237     def render_upload_bytes_encoded(self, ctx, data):
1238         return str(data["chk_upload_helper.encoded_bytes"])
1239
1240
1241 class Statistics(rend.Page):
1242     docFactory = getxmlfile("statistics.xhtml")
1243
1244     def __init__(self, provider):
1245         rend.Page.__init__(self, provider)
1246         self.provider = provider
1247
1248     def renderHTTP(self, ctx):
1249         req = inevow.IRequest(ctx)
1250         t = get_arg(req, "t")
1251         if t == "json":
1252             stats = self.provider.get_stats()
1253             req.setHeader("content-type", "text/plain")
1254             return simplejson.dumps(stats, indent=1) + "\n"
1255         return rend.Page.renderHTTP(self, ctx)
1256
1257     def data_get_stats(self, ctx, data):
1258         return self.provider.get_stats()
1259
1260     def render_load_average(self, ctx, data):
1261         return str(data["stats"].get("load_monitor.avg_load"))
1262
1263     def render_peak_load(self, ctx, data):
1264         return str(data["stats"].get("load_monitor.max_load"))
1265
1266     def render_uploads(self, ctx, data):
1267         files = data["counters"].get("uploader.files_uploaded", 0)
1268         bytes = data["counters"].get("uploader.bytes_uploaded", 0)
1269         return ("%s files / %s bytes (%s)" %
1270                 (files, bytes, abbreviate_size(bytes)))
1271
1272     def render_downloads(self, ctx, data):
1273         files = data["counters"].get("downloader.files_downloaded", 0)
1274         bytes = data["counters"].get("downloader.bytes_downloaded", 0)
1275         return ("%s files / %s bytes (%s)" %
1276                 (files, bytes, abbreviate_size(bytes)))
1277
1278     def render_publishes(self, ctx, data):
1279         files = data["counters"].get("mutable.files_published", 0)
1280         bytes = data["counters"].get("mutable.bytes_published", 0)
1281         return "%s files / %s bytes (%s)" % (files, bytes,
1282                                              abbreviate_size(bytes))
1283
1284     def render_retrieves(self, ctx, data):
1285         files = data["counters"].get("mutable.files_retrieved", 0)
1286         bytes = data["counters"].get("mutable.bytes_retrieved", 0)
1287         return "%s files / %s bytes (%s)" % (files, bytes,
1288                                              abbreviate_size(bytes))
1289
1290     def render_drop_monitored(self, ctx, data):
1291         dirs = data["counters"].get("drop_upload.dirs_monitored", 0)
1292         return "%s directories" % (dirs,)
1293
1294     def render_drop_uploads(self, ctx, data):
1295         # TODO: bytes uploaded
1296         files = data["counters"].get("drop_upload.files_uploaded", 0)
1297         return "%s files" % (files,)
1298
1299     def render_drop_queued(self, ctx, data):
1300         files = data["counters"].get("drop_upload.files_queued", 0)
1301         return "%s files" % (files,)
1302
1303     def render_drop_failed(self, ctx, data):
1304         files = data["counters"].get("drop_upload.files_failed", 0)
1305         return "%s files" % (files,)
1306
1307     def render_raw(self, ctx, data):
1308         raw = pprint.pformat(data)
1309         return ctx.tag[raw]