src/allmydata/web/status.py

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