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