src/allmydata/web/status.py

   1
   2 import time, pprint, itertools
   3 import simplejson
   4 from twisted.internet import defer
   5 from nevow import rend, inevow, tags as T
   6 from allmydata.util import base32, idlib
   7 from allmydata.web.common import getxmlfile, get_arg, \
   8      abbreviate_time, abbreviate_rate, abbreviate_size, plural, compute_rate
   9 from allmydata.interfaces import IUploadStatus, IDownloadStatus, \
  10      IPublishStatus, IRetrieveStatus, IServermapUpdaterStatus
  11
  12 class RateAndTimeMixin:
  13
  14     def render_time(self, ctx, data):
  15         return abbreviate_time(data)
  16
  17     def render_rate(self, ctx, data):
  18         return abbreviate_rate(data)
  19
  20 class UploadResultsRendererMixin(RateAndTimeMixin):
  21     # this requires a method named 'upload_results'
  22
  23     def render_pushed_shares(self, ctx, data):
  24         d = self.upload_results()
  25         d.addCallback(lambda res: res.get_pushed_shares())
  26         return d
  27
  28     def render_preexisting_shares(self, ctx, data):
  29         d = self.upload_results()
  30         d.addCallback(lambda res: res.get_preexisting_shares())
  31         return d
  32
  33     def render_sharemap(self, ctx, data):
  34         d = self.upload_results()
  35         d.addCallback(lambda res: res.get_sharemap())
  36         def _render(sharemap):
  37             if sharemap is None:
  38                 return "None"
  39             l = T.ul()
  40             for shnum, servers in sorted(sharemap.items()):
  41                 server_names = ', '.join([s.get_name() for s in servers])
  42                 l[T.li["%d -> placed on [%s]" % (shnum, server_names)]]
  43             return l
  44         d.addCallback(_render)
  45         return d
  46
  47     def render_servermap(self, ctx, data):
  48         d = self.upload_results()
  49         d.addCallback(lambda res: res.get_servermap())
  50         def _render(servermap):
  51             if servermap is None:
  52                 return "None"
  53             l = T.ul()
  54             for server, shnums in sorted(servermap.items()):
  55                 shares_s = ",".join(["#%d" % shnum for shnum in shnums])
  56                 l[T.li["[%s] got share%s: %s" % (server.get_name(),
  57                                                  plural(shnums), shares_s)]]
  58             return l
  59         d.addCallback(_render)
  60         return d
  61
  62     def data_file_size(self, ctx, data):
  63         d = self.upload_results()
  64         d.addCallback(lambda res: res.get_file_size())
  65         return d
  66
  67     def _get_time(self, name):
  68         d = self.upload_results()
  69         d.addCallback(lambda res: res.get_timings().get(name))
  70         return d
  71
  72     def data_time_total(self, ctx, data):
  73         return self._get_time("total")
  74
  75     def data_time_storage_index(self, ctx, data):
  76         return self._get_time("storage_index")
  77
  78     def data_time_contacting_helper(self, ctx, data):
  79         return self._get_time("contacting_helper")
  80
  81     def data_time_cumulative_fetch(self, ctx, data):
  82         return self._get_time("cumulative_fetch")
  83
  84     def data_time_helper_total(self, ctx, data):
  85         return self._get_time("helper_total")
  86
  87     def data_time_peer_selection(self, ctx, data):
  88         return self._get_time("peer_selection")
  89
  90     def data_time_total_encode_and_push(self, ctx, data):
  91         return self._get_time("total_encode_and_push")
  92
  93     def data_time_cumulative_encoding(self, ctx, data):
  94         return self._get_time("cumulative_encoding")
  95
  96     def data_time_cumulative_sending(self, ctx, data):
  97         return self._get_time("cumulative_sending")
  98
  99     def data_time_hashes_and_close(self, ctx, data):
 100         return self._get_time("hashes_and_close")
 101
 102     def _get_rate(self, name):
 103         d = self.upload_results()
 104         def _convert(r):
 105             file_size = r.get_file_size()
 106             time = r.get_timings().get(name)
 107             return compute_rate(file_size, time)
 108         d.addCallback(_convert)
 109         return d
 110
 111     def data_rate_total(self, ctx, data):
 112         return self._get_rate("total")
 113
 114     def data_rate_storage_index(self, ctx, data):
 115         return self._get_rate("storage_index")
 116
 117     def data_rate_encode(self, ctx, data):
 118         return self._get_rate("cumulative_encoding")
 119
 120     def data_rate_push(self, ctx, data):
 121         return self._get_rate("cumulative_sending")
 122
 123     def data_rate_encode_and_push(self, ctx, data):
 124         d = self.upload_results()
 125         def _convert(r):
 126             file_size = r.get_file_size()
 127             time1 = r.get_timings().get("cumulative_encoding")
 128             time2 = r.get_timings().get("cumulative_sending")
 129             if (time1 is None or time2 is None):
 130                 return None
 131             else:
 132                 return compute_rate(file_size, time1+time2)
 133         d.addCallback(_convert)
 134         return d
 135
 136     def data_rate_ciphertext_fetch(self, ctx, data):
 137         d = self.upload_results()
 138         def _convert(r):
 139             fetch_size = r.get_ciphertext_fetched()
 140             time = r.get_timings().get("cumulative_fetch")
 141             return compute_rate(fetch_size, time)
 142         d.addCallback(_convert)
 143         return d
 144
 145 class UploadStatusPage(UploadResultsRendererMixin, rend.Page):
 146     docFactory = getxmlfile("upload-status.xhtml")
 147
 148     def __init__(self, data):
 149         rend.Page.__init__(self, data)
 150         self.upload_status = data
 151
 152     def upload_results(self):
 153         return defer.maybeDeferred(self.upload_status.get_results)
 154
 155     def render_results(self, ctx, data):
 156         d = self.upload_results()
 157         def _got_results(results):
 158             if results:
 159                 return ctx.tag
 160             return ""
 161         d.addCallback(_got_results)
 162         return d
 163
 164     def render_started(self, ctx, data):
 165         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 166         started_s = time.strftime(TIME_FORMAT,
 167                                   time.localtime(data.get_started()))
 168         return started_s
 169
 170     def render_si(self, ctx, data):
 171         si_s = base32.b2a_or_none(data.get_storage_index())
 172         if si_s is None:
 173             si_s = "(None)"
 174         return si_s
 175
 176     def render_helper(self, ctx, data):
 177         return {True: "Yes",
 178                 False: "No"}[data.using_helper()]
 179
 180     def render_total_size(self, ctx, data):
 181         size = data.get_size()
 182         if size is None:
 183             return "(unknown)"
 184         return size
 185
 186     def render_progress_hash(self, ctx, data):
 187         progress = data.get_progress()[0]
 188         # TODO: make an ascii-art bar
 189         return "%.1f%%" % (100.0 * progress)
 190
 191     def render_progress_ciphertext(self, ctx, data):
 192         progress = data.get_progress()[1]
 193         # TODO: make an ascii-art bar
 194         return "%.1f%%" % (100.0 * progress)
 195
 196     def render_progress_encode_push(self, ctx, data):
 197         progress = data.get_progress()[2]
 198         # TODO: make an ascii-art bar
 199         return "%.1f%%" % (100.0 * progress)
 200
 201     def render_status(self, ctx, data):
 202         return data.get_status()
 203
 204 class DownloadResultsRendererMixin(RateAndTimeMixin):
 205     # this requires a method named 'download_results'
 206
 207     def render_servermap(self, ctx, data):
 208         d = self.download_results()
 209         d.addCallback(lambda res: res.servermap)
 210         def _render(servermap):
 211             if servermap is None:
 212                 return "None"
 213             l = T.ul()
 214             for peerid in sorted(servermap.keys()):
 215                 peerid_s = idlib.shortnodeid_b2a(peerid)
 216                 shares_s = ",".join(["#%d" % shnum
 217                                      for shnum in servermap[peerid]])
 218                 l[T.li["[%s] has share%s: %s" % (peerid_s,
 219                                                  plural(servermap[peerid]),
 220                                                  shares_s)]]
 221             return l
 222         d.addCallback(_render)
 223         return d
 224
 225     def render_servers_used(self, ctx, data):
 226         d = self.download_results()
 227         d.addCallback(lambda res: res.servers_used)
 228         def _got(servers_used):
 229             if not servers_used:
 230                 return ""
 231             peerids_s = ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
 232                                    for peerid in servers_used])
 233             return T.li["Servers Used: ", peerids_s]
 234         d.addCallback(_got)
 235         return d
 236
 237     def render_problems(self, ctx, data):
 238         d = self.download_results()
 239         d.addCallback(lambda res: res.server_problems)
 240         def _got(server_problems):
 241             if not server_problems:
 242                 return ""
 243             l = T.ul()
 244             for peerid in sorted(server_problems.keys()):
 245                 peerid_s = idlib.shortnodeid_b2a(peerid)
 246                 l[T.li["[%s]: %s" % (peerid_s, server_problems[peerid])]]
 247             return T.li["Server Problems:", l]
 248         d.addCallback(_got)
 249         return d
 250
 251     def data_file_size(self, ctx, data):
 252         d = self.download_results()
 253         d.addCallback(lambda res: res.file_size)
 254         return d
 255
 256     def _get_time(self, name):
 257         d = self.download_results()
 258         d.addCallback(lambda res: res.timings.get(name))
 259         return d
 260
 261     def data_time_total(self, ctx, data):
 262         return self._get_time("total")
 263
 264     def data_time_peer_selection(self, ctx, data):
 265         return self._get_time("peer_selection")
 266
 267     def data_time_uri_extension(self, ctx, data):
 268         return self._get_time("uri_extension")
 269
 270     def data_time_hashtrees(self, ctx, data):
 271         return self._get_time("hashtrees")
 272
 273     def data_time_segments(self, ctx, data):
 274         return self._get_time("segments")
 275
 276     def data_time_cumulative_fetch(self, ctx, data):
 277         return self._get_time("cumulative_fetch")
 278
 279     def data_time_cumulative_decode(self, ctx, data):
 280         return self._get_time("cumulative_decode")
 281
 282     def data_time_cumulative_decrypt(self, ctx, data):
 283         return self._get_time("cumulative_decrypt")
 284
 285     def data_time_paused(self, ctx, data):
 286         return self._get_time("paused")
 287
 288     def _get_rate(self, name):
 289         d = self.download_results()
 290         def _convert(r):
 291             file_size = r.file_size
 292             time = r.timings.get(name)
 293             return compute_rate(file_size, time)
 294         d.addCallback(_convert)
 295         return d
 296
 297     def data_rate_total(self, ctx, data):
 298         return self._get_rate("total")
 299
 300     def data_rate_segments(self, ctx, data):
 301         return self._get_rate("segments")
 302
 303     def data_rate_fetch(self, ctx, data):
 304         return self._get_rate("cumulative_fetch")
 305
 306     def data_rate_decode(self, ctx, data):
 307         return self._get_rate("cumulative_decode")
 308
 309     def data_rate_decrypt(self, ctx, data):
 310         return self._get_rate("cumulative_decrypt")
 311
 312     def render_server_timings(self, ctx, data):
 313         d = self.download_results()
 314         d.addCallback(lambda res: res.timings.get("fetch_per_server"))
 315         def _render(per_server):
 316             if per_server is None:
 317                 return ""
 318             l = T.ul()
 319             for peerid in sorted(per_server.keys()):
 320                 peerid_s = idlib.shortnodeid_b2a(peerid)
 321                 times_s = ", ".join([self.render_time(None, t)
 322                                      for t in per_server[peerid]])
 323                 l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 324             return T.li["Per-Server Segment Fetch Response Times: ", l]
 325         d.addCallback(_render)
 326         return d
 327
 328 class DownloadStatusPage(DownloadResultsRendererMixin, rend.Page):
 329     docFactory = getxmlfile("download-status.xhtml")
 330
 331     def __init__(self, data):
 332         rend.Page.__init__(self, data)
 333         self.download_status = data
 334
 335     def child_timeline(self, ctx):
 336         return DownloadStatusTimelinePage(self.download_status)
 337
 338     def download_results(self):
 339         return defer.maybeDeferred(self.download_status.get_results)
 340
 341     def relative_time(self, t):
 342         if t is None:
 343             return t
 344         if self.download_status.first_timestamp is not None:
 345             return t - self.download_status.first_timestamp
 346         return t
 347     def short_relative_time(self, t):
 348         t = self.relative_time(t)
 349         if t is None:
 350             return ""
 351         return "+%.6fs" % t
 352
 353     def _find_overlap(self, events, start_key, end_key):
 354         # given a list of event dicts, return a new list in which each event
 355         # has an extra "row" key (an int, starting at 0), and if appropriate
 356         # a "serverid" key (ascii-encoded server id), replacing the "server"
 357         # key. This is a hint to our JS frontend about how to overlap the
 358         # parts of the graph it is drawing.
 359
 360         # we must always make a copy, since we're going to be adding keys
 361         # and don't want to change the original objects. If we're
 362         # stringifying serverids, we'll also be changing the serverid keys.
 363         new_events = []
 364         rows = []
 365         for ev in events:
 366             ev = ev.copy()
 367             if ev.has_key('server'):
 368                 ev["serverid"] = ev["server"].get_longname()
 369                 del ev["server"]
 370             # find an empty slot in the rows
 371             free_slot = None
 372             for row,finished in enumerate(rows):
 373                 if finished is not None:
 374                     if ev[start_key] > finished:
 375                         free_slot = row
 376                         break
 377             if free_slot is None:
 378                 free_slot = len(rows)
 379                 rows.append(ev[end_key])
 380             else:
 381                 rows[free_slot] = ev[end_key]
 382             ev["row"] = free_slot
 383             new_events.append(ev)
 384         return new_events
 385
 386     def _find_overlap_requests(self, events):
 387         """We compute a three-element 'row tuple' for each event: (serverid,
 388         shnum, row). All elements are ints. The first is a mapping from
 389         serverid to group number, the second is a mapping from shnum to
 390         subgroup number. The third is a row within the subgroup.
 391
 392         We also return a list of lists of rowcounts, so renderers can decide
 393         how much vertical space to give to each row.
 394         """
 395
 396         serverid_to_group = {}
 397         groupnum_to_rows = {} # maps groupnum to a table of rows. Each table
 398                               # is a list with an element for each row number
 399                               # (int starting from 0) that contains a
 400                               # finish_time, indicating that the row is empty
 401                               # beyond that time. If finish_time is None, it
 402                               # indicate a response that has not yet
 403                               # completed, so the row cannot be reused.
 404         new_events = []
 405         for ev in events:
 406             # DownloadStatus promises to give us events in temporal order
 407             ev = ev.copy()
 408             ev["serverid"] = ev["server"].get_longname()
 409             del ev["server"]
 410             if ev["serverid"] not in serverid_to_group:
 411                 groupnum = len(serverid_to_group)
 412                 serverid_to_group[ev["serverid"]] = groupnum
 413             groupnum = serverid_to_group[ev["serverid"]]
 414             if groupnum not in groupnum_to_rows:
 415                 groupnum_to_rows[groupnum] = []
 416             rows = groupnum_to_rows[groupnum]
 417             # find an empty slot in the rows
 418             free_slot = None
 419             for row,finished in enumerate(rows):
 420                 if finished is not None:
 421                     if ev["start_time"] > finished:
 422                         free_slot = row
 423                         break
 424             if free_slot is None:
 425                 free_slot = len(rows)
 426                 rows.append(ev["finish_time"])
 427             else:
 428                 rows[free_slot] = ev["finish_time"]
 429             ev["row"] = (groupnum, free_slot)
 430             new_events.append(ev)
 431         del groupnum
 432         # maybe also return serverid_to_group, groupnum_to_rows, and some
 433         # indication of the highest finish_time
 434         #
 435         # actually, return the highest rownum for each groupnum
 436         highest_rownums = [len(groupnum_to_rows[groupnum])
 437                            for groupnum in range(len(serverid_to_group))]
 438         return new_events, highest_rownums
 439
 440     def child_event_json(self, ctx):
 441         inevow.IRequest(ctx).setHeader("content-type", "text/plain")
 442         data = { } # this will be returned to the GET
 443         ds = self.download_status
 444
 445         data["misc"] = self._find_overlap(ds.misc_events,
 446                                           "start_time", "finish_time")
 447         data["read"] = self._find_overlap(ds.read_events,
 448                                           "start_time", "finish_time")
 449         data["segment"] = self._find_overlap(ds.segment_events,
 450                                              "start_time", "finish_time")
 451         # TODO: overlap on DYHB isn't very useful, and usually gets in the
 452         # way. So don't do it.
 453         data["dyhb"] = self._find_overlap(ds.dyhb_requests,
 454                                           "start_time", "finish_time")
 455         data["block"],data["block_rownums"] = self._find_overlap_requests(ds.block_requests)
 456
 457         server_info = {} # maps longname to {num,color,short}
 458         server_shortnames = {} # maps servernum to shortname
 459         for d_ev in ds.dyhb_requests:
 460             s = d_ev["server"]
 461             longname = s.get_longname()
 462             if longname not in server_info:
 463                 num = len(server_info)
 464                 server_info[longname] = {"num": num,
 465                                          "color": self.color(s),
 466                                          "short": s.get_name() }
 467                 server_shortnames[str(num)] = s.get_name()
 468
 469         data["server_info"] = server_info
 470         data["num_serverids"] = len(server_info)
 471         # we'd prefer the keys of serverids[] to be ints, but this is JSON,
 472         # so they get converted to strings. Stupid javascript.
 473         data["serverids"] = server_shortnames
 474         data["bounds"] = {"min": ds.first_timestamp, "max": ds.last_timestamp}
 475         return simplejson.dumps(data, indent=1) + "\n"
 476
 477     def render_timeline_link(self, ctx, data):
 478         from nevow import url
 479         return T.a(href=url.URL.fromContext(ctx).child("timeline"))["timeline"]
 480
 481     def _rate_and_time(self, bytes, seconds):
 482         time_s = self.render_time(None, seconds)
 483         if seconds != 0:
 484             rate = self.render_rate(None, 1.0 * bytes / seconds)
 485             return T.span(title=rate)[time_s]
 486         return T.span[time_s]
 487
 488     def render_events(self, ctx, data):
 489         if not self.download_status.storage_index:
 490             return
 491         srt = self.short_relative_time
 492         l = T.div()
 493
 494         t = T.table(align="left", class_="status-download-events")
 495         t[T.tr[T.th["serverid"], T.th["sent"], T.th["received"],
 496                T.th["shnums"], T.th["RTT"]]]
 497         for d_ev in self.download_status.dyhb_requests:
 498             server = d_ev["server"]
 499             sent = d_ev["start_time"]
 500             shnums = d_ev["response_shnums"]
 501             received = d_ev["finish_time"]
 502             rtt = None
 503             if received is not None:
 504                 rtt = received - sent
 505             if not shnums:
 506                 shnums = ["-"]
 507             t[T.tr(style="background: %s" % self.color(server))[
 508                 [T.td[server.get_name()], T.td[srt(sent)], T.td[srt(received)],
 509                  T.td[",".join([str(shnum) for shnum in shnums])],
 510                  T.td[self.render_time(None, rtt)],
 511                  ]]]
 512
 513         l[T.h2["DYHB Requests:"], t]
 514         l[T.br(clear="all")]
 515
 516         t = T.table(align="left",class_="status-download-events")
 517         t[T.tr[T.th["range"], T.th["start"], T.th["finish"], T.th["got"],
 518                T.th["time"], T.th["decrypttime"], T.th["pausedtime"],
 519                T.th["speed"]]]
 520         for r_ev in self.download_status.read_events:
 521             start = r_ev["start"]
 522             length = r_ev["length"]
 523             bytes = r_ev["bytes_returned"]
 524             decrypt_time = ""
 525             if bytes:
 526                 decrypt_time = self._rate_and_time(bytes, r_ev["decrypt_time"])
 527             speed, rtt = "",""
 528             if r_ev["finish_time"] is not None:
 529                 rtt = r_ev["finish_time"] - r_ev["start_time"] - r_ev["paused_time"]
 530                 speed = self.render_rate(None, compute_rate(bytes, rtt))
 531                 rtt = self.render_time(None, rtt)
 532             paused = self.render_time(None, r_ev["paused_time"])
 533
 534             t[T.tr[T.td["[%d:+%d]" % (start, length)],
 535                    T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
 536                    T.td[bytes], T.td[rtt],
 537                    T.td[decrypt_time], T.td[paused],
 538                    T.td[speed],
 539                    ]]
 540
 541         l[T.h2["Read Events:"], t]
 542         l[T.br(clear="all")]
 543
 544         t = T.table(align="left",class_="status-download-events")
 545         t[T.tr[T.th["segnum"], T.th["start"], T.th["active"], T.th["finish"],
 546                T.th["range"],
 547                T.th["decodetime"], T.th["segtime"], T.th["speed"]]]
 548         for s_ev in self.download_status.segment_events:
 549             range_s = "-"
 550             segtime_s = "-"
 551             speed = "-"
 552             decode_time = "-"
 553             if s_ev["finish_time"] is not None:
 554                 if s_ev["success"]:
 555                     segtime = s_ev["finish_time"] - s_ev["active_time"]
 556                     segtime_s = self.render_time(None, segtime)
 557                     seglen = s_ev["segment_length"]
 558                     range_s = "[%d:+%d]" % (s_ev["segment_start"], seglen)
 559                     speed = self.render_rate(None, compute_rate(seglen, segtime))
 560                     decode_time = self._rate_and_time(seglen, s_ev["decode_time"])
 561                 else:
 562                     # error
 563                     range_s = "error"
 564             else:
 565                 # not finished yet
 566                 pass
 567
 568             t[T.tr[T.td["seg%d" % s_ev["segment_number"]],
 569                    T.td[srt(s_ev["start_time"])],
 570                    T.td[srt(s_ev["active_time"])],
 571                    T.td[srt(s_ev["finish_time"])],
 572                    T.td[range_s],
 573                    T.td[decode_time],
 574                    T.td[segtime_s], T.td[speed]]]
 575
 576         l[T.h2["Segment Events:"], t]
 577         l[T.br(clear="all")]
 578         t = T.table(align="left",class_="status-download-events")
 579         t[T.tr[T.th["serverid"], T.th["shnum"], T.th["range"],
 580                T.th["txtime"], T.th["rxtime"],
 581                T.th["received"], T.th["RTT"]]]
 582         for r_ev in self.download_status.block_requests:
 583             server = r_ev["server"]
 584             rtt = None
 585             if r_ev["finish_time"] is not None:
 586                 rtt = r_ev["finish_time"] - r_ev["start_time"]
 587             color = self.color(server)
 588             t[T.tr(style="background: %s" % color)[
 589                 T.td[server.get_name()], T.td[r_ev["shnum"]],
 590                 T.td["[%d:+%d]" % (r_ev["start"], r_ev["length"])],
 591                 T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
 592                 T.td[r_ev["response_length"] or ""],
 593                 T.td[self.render_time(None, rtt)],
 594                 ]]
 595
 596         l[T.h2["Requests:"], t]
 597         l[T.br(clear="all")]
 598
 599         return l
 600
 601     def color(self, server):
 602         peerid = server.get_serverid() # binary
 603         def m(c):
 604             return min(ord(c) / 2 + 0x80, 0xff)
 605         return "#%02x%02x%02x" % (m(peerid[0]), m(peerid[1]), m(peerid[2]))
 606
 607     def render_results(self, ctx, data):
 608         d = self.download_results()
 609         def _got_results(results):
 610             if results:
 611                 return ctx.tag
 612             return ""
 613         d.addCallback(_got_results)
 614         return d
 615
 616     def render_started(self, ctx, data):
 617         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 618         started_s = time.strftime(TIME_FORMAT,
 619                                   time.localtime(data.get_started()))
 620         return started_s + " (%s)" % data.get_started()
 621
 622     def render_si(self, ctx, data):
 623         si_s = base32.b2a_or_none(data.get_storage_index())
 624         if si_s is None:
 625             si_s = "(None)"
 626         return si_s
 627
 628     def render_helper(self, ctx, data):
 629         return {True: "Yes",
 630                 False: "No"}[data.using_helper()]
 631
 632     def render_total_size(self, ctx, data):
 633         size = data.get_size()
 634         if size is None:
 635             return "(unknown)"
 636         return size
 637
 638     def render_progress(self, ctx, data):
 639         progress = data.get_progress()
 640         # TODO: make an ascii-art bar
 641         return "%.1f%%" % (100.0 * progress)
 642
 643     def render_status(self, ctx, data):
 644         return data.get_status()
 645
 646 class DownloadStatusTimelinePage(rend.Page):
 647     docFactory = getxmlfile("download-status-timeline.xhtml")
 648
 649     def render_started(self, ctx, data):
 650         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 651         started_s = time.strftime(TIME_FORMAT,
 652                                   time.localtime(data.get_started()))
 653         return started_s + " (%s)" % data.get_started()
 654
 655     def render_si(self, ctx, data):
 656         si_s = base32.b2a_or_none(data.get_storage_index())
 657         if si_s is None:
 658             si_s = "(None)"
 659         return si_s
 660
 661     def render_helper(self, ctx, data):
 662         return {True: "Yes",
 663                 False: "No"}[data.using_helper()]
 664
 665     def render_total_size(self, ctx, data):
 666         size = data.get_size()
 667         if size is None:
 668             return "(unknown)"
 669         return size
 670
 671     def render_progress(self, ctx, data):
 672         progress = data.get_progress()
 673         # TODO: make an ascii-art bar
 674         return "%.1f%%" % (100.0 * progress)
 675
 676     def render_status(self, ctx, data):
 677         return data.get_status()
 678
 679 class RetrieveStatusPage(rend.Page, RateAndTimeMixin):
 680     docFactory = getxmlfile("retrieve-status.xhtml")
 681
 682     def __init__(self, data):
 683         rend.Page.__init__(self, data)
 684         self.retrieve_status = data
 685
 686     def render_started(self, ctx, data):
 687         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 688         started_s = time.strftime(TIME_FORMAT,
 689                                   time.localtime(data.get_started()))
 690         return started_s
 691
 692     def render_si(self, ctx, data):
 693         si_s = base32.b2a_or_none(data.get_storage_index())
 694         if si_s is None:
 695             si_s = "(None)"
 696         return si_s
 697
 698     def render_helper(self, ctx, data):
 699         return {True: "Yes",
 700                 False: "No"}[data.using_helper()]
 701
 702     def render_current_size(self, ctx, data):
 703         size = data.get_size()
 704         if size is None:
 705             size = "(unknown)"
 706         return size
 707
 708     def render_progress(self, ctx, data):
 709         progress = data.get_progress()
 710         # TODO: make an ascii-art bar
 711         return "%.1f%%" % (100.0 * progress)
 712
 713     def render_status(self, ctx, data):
 714         return data.get_status()
 715
 716     def render_encoding(self, ctx, data):
 717         k, n = data.get_encoding()
 718         return ctx.tag["Encoding: %s of %s" % (k, n)]
 719
 720     def render_problems(self, ctx, data):
 721         problems = data.get_problems()
 722         if not problems:
 723             return ""
 724         l = T.ul()
 725         for peerid in sorted(problems.keys()):
 726             peerid_s = idlib.shortnodeid_b2a(peerid)
 727             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 728         return ctx.tag["Server Problems:", l]
 729
 730     def _get_rate(self, data, name):
 731         file_size = self.retrieve_status.get_size()
 732         time = self.retrieve_status.timings.get(name)
 733         return compute_rate(file_size, time)
 734
 735     def data_time_total(self, ctx, data):
 736         return self.retrieve_status.timings.get("total")
 737     def data_rate_total(self, ctx, data):
 738         return self._get_rate(data, "total")
 739
 740     def data_time_fetch(self, ctx, data):
 741         return self.retrieve_status.timings.get("fetch")
 742     def data_rate_fetch(self, ctx, data):
 743         return self._get_rate(data, "fetch")
 744
 745     def data_time_decode(self, ctx, data):
 746         return self.retrieve_status.timings.get("decode")
 747     def data_rate_decode(self, ctx, data):
 748         return self._get_rate(data, "decode")
 749
 750     def data_time_decrypt(self, ctx, data):
 751         return self.retrieve_status.timings.get("decrypt")
 752     def data_rate_decrypt(self, ctx, data):
 753         return self._get_rate(data, "decrypt")
 754
 755     def render_server_timings(self, ctx, data):
 756         per_server = self.retrieve_status.timings.get("fetch_per_server")
 757         if not per_server:
 758             return ""
 759         l = T.ul()
 760         for server in sorted(per_server.keys(), key=lambda s: s.get_name()):
 761             times_s = ", ".join([self.render_time(None, t)
 762                                  for t in per_server[server]])
 763             l[T.li["[%s]: %s" % (server.get_name(), times_s)]]
 764         return T.li["Per-Server Fetch Response Times: ", l]
 765
 766
 767 class PublishStatusPage(rend.Page, RateAndTimeMixin):
 768     docFactory = getxmlfile("publish-status.xhtml")
 769
 770     def __init__(self, data):
 771         rend.Page.__init__(self, data)
 772         self.publish_status = data
 773
 774     def render_started(self, ctx, data):
 775         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 776         started_s = time.strftime(TIME_FORMAT,
 777                                   time.localtime(data.get_started()))
 778         return started_s
 779
 780     def render_si(self, ctx, data):
 781         si_s = base32.b2a_or_none(data.get_storage_index())
 782         if si_s is None:
 783             si_s = "(None)"
 784         return si_s
 785
 786     def render_helper(self, ctx, data):
 787         return {True: "Yes",
 788                 False: "No"}[data.using_helper()]
 789
 790     def render_current_size(self, ctx, data):
 791         size = data.get_size()
 792         if size is None:
 793             size = "(unknown)"
 794         return size
 795
 796     def render_progress(self, ctx, data):
 797         progress = data.get_progress()
 798         # TODO: make an ascii-art bar
 799         return "%.1f%%" % (100.0 * progress)
 800
 801     def render_status(self, ctx, data):
 802         return data.get_status()
 803
 804     def render_encoding(self, ctx, data):
 805         k, n = data.get_encoding()
 806         return ctx.tag["Encoding: %s of %s" % (k, n)]
 807
 808     def render_sharemap(self, ctx, data):
 809         servermap = data.get_servermap()
 810         if servermap is None:
 811             return ctx.tag["None"]
 812         l = T.ul()
 813         sharemap = servermap.make_sharemap()
 814         for shnum in sorted(sharemap.keys()):
 815             l[T.li["%d -> Placed on " % shnum,
 816                    ", ".join(["[%s]" % server.get_name()
 817                               for server in sharemap[shnum]])]]
 818         return ctx.tag["Sharemap:", l]
 819
 820     def render_problems(self, ctx, data):
 821         problems = data.get_problems()
 822         if not problems:
 823             return ""
 824         l = T.ul()
 825         # XXX: is this exercised? I don't think PublishStatus.problems is
 826         # ever populated
 827         for peerid in sorted(problems.keys()):
 828             peerid_s = idlib.shortnodeid_b2a(peerid)
 829             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 830         return ctx.tag["Server Problems:", l]
 831
 832     def _get_rate(self, data, name):
 833         file_size = self.publish_status.get_size()
 834         time = self.publish_status.timings.get(name)
 835         return compute_rate(file_size, time)
 836
 837     def data_time_total(self, ctx, data):
 838         return self.publish_status.timings.get("total")
 839     def data_rate_total(self, ctx, data):
 840         return self._get_rate(data, "total")
 841
 842     def data_time_setup(self, ctx, data):
 843         return self.publish_status.timings.get("setup")
 844
 845     def data_time_encrypt(self, ctx, data):
 846         return self.publish_status.timings.get("encrypt")
 847     def data_rate_encrypt(self, ctx, data):
 848         return self._get_rate(data, "encrypt")
 849
 850     def data_time_encode(self, ctx, data):
 851         return self.publish_status.timings.get("encode")
 852     def data_rate_encode(self, ctx, data):
 853         return self._get_rate(data, "encode")
 854
 855     def data_time_pack(self, ctx, data):
 856         return self.publish_status.timings.get("pack")
 857     def data_rate_pack(self, ctx, data):
 858         return self._get_rate(data, "pack")
 859     def data_time_sign(self, ctx, data):
 860         return self.publish_status.timings.get("sign")
 861
 862     def data_time_push(self, ctx, data):
 863         return self.publish_status.timings.get("push")
 864     def data_rate_push(self, ctx, data):
 865         return self._get_rate(data, "push")
 866
 867     def render_server_timings(self, ctx, data):
 868         per_server = self.publish_status.timings.get("send_per_server")
 869         if not per_server:
 870             return ""
 871         l = T.ul()
 872         for server in sorted(per_server.keys(), key=lambda s: s.get_name()):
 873             times_s = ", ".join([self.render_time(None, t)
 874                                  for t in per_server[server]])
 875             l[T.li["[%s]: %s" % (server.get_name(), times_s)]]
 876         return T.li["Per-Server Response Times: ", l]
 877
 878 class MapupdateStatusPage(rend.Page, RateAndTimeMixin):
 879     docFactory = getxmlfile("map-update-status.xhtml")
 880
 881     def __init__(self, data):
 882         rend.Page.__init__(self, data)
 883         self.update_status = data
 884
 885     def render_started(self, ctx, data):
 886         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 887         started_s = time.strftime(TIME_FORMAT,
 888                                   time.localtime(data.get_started()))
 889         return started_s
 890
 891     def render_finished(self, ctx, data):
 892         when = data.get_finished()
 893         if not when:
 894             return "not yet"
 895         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 896         started_s = time.strftime(TIME_FORMAT,
 897                                   time.localtime(data.get_finished()))
 898         return started_s
 899
 900     def render_si(self, ctx, data):
 901         si_s = base32.b2a_or_none(data.get_storage_index())
 902         if si_s is None:
 903             si_s = "(None)"
 904         return si_s
 905
 906     def render_helper(self, ctx, data):
 907         return {True: "Yes",
 908                 False: "No"}[data.using_helper()]
 909
 910     def render_progress(self, ctx, data):
 911         progress = data.get_progress()
 912         # TODO: make an ascii-art bar
 913         return "%.1f%%" % (100.0 * progress)
 914
 915     def render_status(self, ctx, data):
 916         return data.get_status()
 917
 918     def render_problems(self, ctx, data):
 919         problems = data.problems
 920         if not problems:
 921             return ""
 922         l = T.ul()
 923         for peerid in sorted(problems.keys()):
 924             peerid_s = idlib.shortnodeid_b2a(peerid)
 925             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 926         return ctx.tag["Server Problems:", l]
 927
 928     def render_privkey_from(self, ctx, data):
 929         server = data.get_privkey_from()
 930         if server:
 931             return ctx.tag["Got privkey from: [%s]" % server.get_name()]
 932         else:
 933             return ""
 934
 935     def data_time_total(self, ctx, data):
 936         return self.update_status.timings.get("total")
 937
 938     def data_time_initial_queries(self, ctx, data):
 939         return self.update_status.timings.get("initial_queries")
 940
 941     def data_time_cumulative_verify(self, ctx, data):
 942         return self.update_status.timings.get("cumulative_verify")
 943
 944     def render_server_timings(self, ctx, data):
 945         per_server = self.update_status.timings.get("per_server")
 946         if not per_server:
 947             return ""
 948         l = T.ul()
 949         for server in sorted(per_server.keys(), key=lambda s: s.get_name()):
 950             times = []
 951             for op,started,t in per_server[server]:
 952                 #times.append("%s/%.4fs/%s/%s" % (op,
 953                 #                              started,
 954                 #                              self.render_time(None, started - self.update_status.get_started()),
 955                 #                              self.render_time(None,t)))
 956                 if op == "query":
 957                     times.append( self.render_time(None, t) )
 958                 elif op == "late":
 959                     times.append( "late(" + self.render_time(None, t) + ")" )
 960                 else:
 961                     times.append( "privkey(" + self.render_time(None, t) + ")" )
 962             times_s = ", ".join(times)
 963             l[T.li["[%s]: %s" % (server.get_name(), times_s)]]
 964         return T.li["Per-Server Response Times: ", l]
 965
 966     def render_timing_chart(self, ctx, data):
 967         imageurl = self._timing_chart()
 968         return ctx.tag[imageurl]
 969
 970     def _timing_chart(self):
 971         started = self.update_status.get_started()
 972         total = self.update_status.timings.get("total")
 973         per_server = self.update_status.timings.get("per_server")
 974         # We'd like to use an https: URL here, but the site has a domain/cert mismatch.
 975         base = "http://chart.apis.google.com/chart?"
 976         pieces = ["cht=bhs"]
 977         pieces.append("chco=ffffff,4d89f9,c6d9fd") # colors
 978         data0 = []
 979         data1 = []
 980         data2 = []
 981         nb_nodes = 0
 982         graph_botom_margin= 21
 983         graph_top_margin = 5
 984         server_names = []
 985         top_abs = started
 986         # we sort the queries by the time at which we sent the first request
 987         sorttable = [ (times[0][1], server)
 988                       for server, times in per_server.items() ]
 989         sorttable.sort()
 990         servers = [t[1] for t in sorttable]
 991
 992         for server in servers:
 993             nb_nodes += 1
 994             times = per_server[server]
 995             name = server.get_name()
 996             server_names.append(name)
 997             # for servermap updates, there are either one or two queries per
 998             # peer. The second (if present) is to get the privkey.
 999             op,q_started,q_elapsed = times[0]
1000             data0.append("%.3f" % (q_started-started))
1001             data1.append("%.3f" % q_elapsed)
1002             top_abs = max(top_abs, q_started+q_elapsed)
1003             if len(times) > 1:
1004                 op,p_started,p_elapsed = times[0]
1005                 data2.append("%.3f" % p_elapsed)
1006                 top_abs = max(top_abs, p_started+p_elapsed)
1007             else:
1008                 data2.append("0.0")
1009         finished = self.update_status.get_finished()
1010         if finished:
1011             top_abs = max(top_abs, finished)
1012         top_rel = top_abs - started
1013         chs ="chs=400x%d" % ( (nb_nodes*28) + graph_top_margin + graph_botom_margin )
1014         chd = "chd=t:" + "|".join([",".join(data0),
1015                                    ",".join(data1),
1016                                    ",".join(data2)])
1017         pieces.append(chd)
1018         pieces.append(chs)
1019         chds = "chds=0,%0.3f" % top_rel
1020         pieces.append(chds)
1021         pieces.append("chxt=x,y")
1022         pieces.append("chxr=0,0.0,%0.3f" % top_rel)
1023         pieces.append("chxl=1:|" + "|".join(reversed(server_names)))
1024         # use up to 10 grid lines, at decimal multiples.
1025         # mathutil.next_power_of_k doesn't handle numbers smaller than one,
1026         # unfortunately.
1027         #pieces.append("chg="
1028
1029         if total is not None:
1030             finished_f = 1.0 * total / top_rel
1031             pieces.append("chm=r,FF0000,0,%0.3f,%0.3f" % (finished_f,
1032                                                           finished_f+0.01))
1033         url = base + "&".join(pieces)
1034         return T.img(src=url,border="1",align="right", float="right")
1035
1036
1037 class Status(rend.Page):
1038     docFactory = getxmlfile("status.xhtml")
1039     addSlash = True
1040
1041     def __init__(self, history):
1042         rend.Page.__init__(self, history)
1043         self.history = history
1044
1045     def renderHTTP(self, ctx):
1046         req = inevow.IRequest(ctx)
1047         t = get_arg(req, "t")
1048         if t == "json":
1049             return self.json(req)
1050         return rend.Page.renderHTTP(self, ctx)
1051
1052     def json(self, req):
1053         req.setHeader("content-type", "text/plain")
1054         data = {}
1055         data["active"] = active = []
1056         for s in self._get_active_operations():
1057             si_s = base32.b2a_or_none(s.get_storage_index())
1058             size = s.get_size()
1059             status = s.get_status()
1060             if IUploadStatus.providedBy(s):
1061                 h,c,e = s.get_progress()
1062                 active.append({"type": "upload",
1063                                "storage-index-string": si_s,
1064                                "total-size": size,
1065                                "status": status,
1066                                "progress-hash": h,
1067                                "progress-ciphertext": c,
1068                                "progress-encode-push": e,
1069                                })
1070             elif IDownloadStatus.providedBy(s):
1071                 active.append({"type": "download",
1072                                "storage-index-string": si_s,
1073                                "total-size": size,
1074                                "status": status,
1075                                "progress": s.get_progress(),
1076                                })
1077
1078         return simplejson.dumps(data, indent=1) + "\n"
1079
1080     def _get_all_statuses(self):
1081         h = self.history
1082         return itertools.chain(h.list_all_upload_statuses(),
1083                                h.list_all_download_statuses(),
1084                                h.list_all_mapupdate_statuses(),
1085                                h.list_all_publish_statuses(),
1086                                h.list_all_retrieve_statuses(),
1087                                h.list_all_helper_statuses(),
1088                                )
1089
1090     def data_active_operations(self, ctx, data):
1091         return self._get_active_operations()
1092
1093     def _get_active_operations(self):
1094         active = [s
1095                   for s in self._get_all_statuses()
1096                   if s.get_active()]
1097         return active
1098
1099     def data_recent_operations(self, ctx, data):
1100         return self._get_recent_operations()
1101
1102     def _get_recent_operations(self):
1103         recent = [s
1104                   for s in self._get_all_statuses()
1105                   if not s.get_active()]
1106         recent.sort(lambda a,b: cmp(a.get_started(), b.get_started()))
1107         recent.reverse()
1108         return recent
1109
1110     def render_row(self, ctx, data):
1111         s = data
1112
1113         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
1114         started_s = time.strftime(TIME_FORMAT,
1115                                   time.localtime(s.get_started()))
1116         ctx.fillSlots("started", started_s)
1117
1118         si_s = base32.b2a_or_none(s.get_storage_index())
1119         if si_s is None:
1120             si_s = "(None)"
1121         ctx.fillSlots("si", si_s)
1122         ctx.fillSlots("helper", {True: "Yes",
1123                                  False: "No"}[s.using_helper()])
1124
1125         size = s.get_size()
1126         if size is None:
1127             size = "(unknown)"
1128         elif isinstance(size, (int, long, float)):
1129             size = abbreviate_size(size)
1130         ctx.fillSlots("total_size", size)
1131
1132         progress = data.get_progress()
1133         if IUploadStatus.providedBy(data):
1134             link = "up-%d" % data.get_counter()
1135             ctx.fillSlots("type", "upload")
1136             # TODO: make an ascii-art bar
1137             (chk, ciphertext, encandpush) = progress
1138             progress_s = ("hash: %.1f%%, ciphertext: %.1f%%, encode: %.1f%%" %
1139                           ( (100.0 * chk),
1140                             (100.0 * ciphertext),
1141                             (100.0 * encandpush) ))
1142             ctx.fillSlots("progress", progress_s)
1143         elif IDownloadStatus.providedBy(data):
1144             link = "down-%d" % data.get_counter()
1145             ctx.fillSlots("type", "download")
1146             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1147         elif IPublishStatus.providedBy(data):
1148             link = "publish-%d" % data.get_counter()
1149             ctx.fillSlots("type", "publish")
1150             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1151         elif IRetrieveStatus.providedBy(data):
1152             ctx.fillSlots("type", "retrieve")
1153             link = "retrieve-%d" % data.get_counter()
1154             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1155         else:
1156             assert IServermapUpdaterStatus.providedBy(data)
1157             ctx.fillSlots("type", "mapupdate %s" % data.get_mode())
1158             link = "mapupdate-%d" % data.get_counter()
1159             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1160         ctx.fillSlots("status", T.a(href=link)[s.get_status()])
1161         return ctx.tag
1162
1163     def childFactory(self, ctx, name):
1164         h = self.history
1165         stype,count_s = name.split("-")
1166         count = int(count_s)
1167         if stype == "up":
1168             for s in itertools.chain(h.list_all_upload_statuses(),
1169                                      h.list_all_helper_statuses()):
1170                 # immutable-upload helpers use the same status object as a
1171                 # regular immutable-upload
1172                 if s.get_counter() == count:
1173                     return UploadStatusPage(s)
1174         if stype == "down":
1175             for s in h.list_all_download_statuses():
1176                 if s.get_counter() == count:
1177                     return DownloadStatusPage(s)
1178         if stype == "mapupdate":
1179             for s in h.list_all_mapupdate_statuses():
1180                 if s.get_counter() == count:
1181                     return MapupdateStatusPage(s)
1182         if stype == "publish":
1183             for s in h.list_all_publish_statuses():
1184                 if s.get_counter() == count:
1185                     return PublishStatusPage(s)
1186         if stype == "retrieve":
1187             for s in h.list_all_retrieve_statuses():
1188                 if s.get_counter() == count:
1189                     return RetrieveStatusPage(s)
1190
1191
1192 class HelperStatus(rend.Page):
1193     docFactory = getxmlfile("helper.xhtml")
1194
1195     def __init__(self, helper):
1196         rend.Page.__init__(self, helper)
1197         self.helper = helper
1198
1199     def renderHTTP(self, ctx):
1200         req = inevow.IRequest(ctx)
1201         t = get_arg(req, "t")
1202         if t == "json":
1203             return self.render_JSON(req)
1204         return rend.Page.renderHTTP(self, ctx)
1205
1206     def data_helper_stats(self, ctx, data):
1207         return self.helper.get_stats()
1208
1209     def render_JSON(self, req):
1210         req.setHeader("content-type", "text/plain")
1211         if self.helper:
1212             stats = self.helper.get_stats()
1213             return simplejson.dumps(stats, indent=1) + "\n"
1214         return simplejson.dumps({}) + "\n"
1215
1216     def render_active_uploads(self, ctx, data):
1217         return data["chk_upload_helper.active_uploads"]
1218
1219     def render_incoming(self, ctx, data):
1220         return "%d bytes in %d files" % (data["chk_upload_helper.incoming_size"],
1221                                          data["chk_upload_helper.incoming_count"])
1222
1223     def render_encoding(self, ctx, data):
1224         return "%d bytes in %d files" % (data["chk_upload_helper.encoding_size"],
1225                                          data["chk_upload_helper.encoding_count"])
1226
1227     def render_upload_requests(self, ctx, data):
1228         return str(data["chk_upload_helper.upload_requests"])
1229
1230     def render_upload_already_present(self, ctx, data):
1231         return str(data["chk_upload_helper.upload_already_present"])
1232
1233     def render_upload_need_upload(self, ctx, data):
1234         return str(data["chk_upload_helper.upload_need_upload"])
1235
1236     def render_upload_bytes_fetched(self, ctx, data):
1237         return str(data["chk_upload_helper.fetched_bytes"])
1238
1239     def render_upload_bytes_encoded(self, ctx, data):
1240         return str(data["chk_upload_helper.encoded_bytes"])
1241
1242
1243 class Statistics(rend.Page):
1244     docFactory = getxmlfile("statistics.xhtml")
1245
1246     def __init__(self, provider):
1247         rend.Page.__init__(self, provider)
1248         self.provider = provider
1249
1250     def renderHTTP(self, ctx):
1251         req = inevow.IRequest(ctx)
1252         t = get_arg(req, "t")
1253         if t == "json":
1254             stats = self.provider.get_stats()
1255             req.setHeader("content-type", "text/plain")
1256             return simplejson.dumps(stats, indent=1) + "\n"
1257         return rend.Page.renderHTTP(self, ctx)
1258
1259     def data_get_stats(self, ctx, data):
1260         return self.provider.get_stats()
1261
1262     def render_load_average(self, ctx, data):
1263         return str(data["stats"].get("load_monitor.avg_load"))
1264
1265     def render_peak_load(self, ctx, data):
1266         return str(data["stats"].get("load_monitor.max_load"))
1267
1268     def render_uploads(self, ctx, data):
1269         files = data["counters"].get("uploader.files_uploaded", 0)
1270         bytes = data["counters"].get("uploader.bytes_uploaded", 0)
1271         return ("%s files / %s bytes (%s)" %
1272                 (files, bytes, abbreviate_size(bytes)))
1273
1274     def render_downloads(self, ctx, data):
1275         files = data["counters"].get("downloader.files_downloaded", 0)
1276         bytes = data["counters"].get("downloader.bytes_downloaded", 0)
1277         return ("%s files / %s bytes (%s)" %
1278                 (files, bytes, abbreviate_size(bytes)))
1279
1280     def render_publishes(self, ctx, data):
1281         files = data["counters"].get("mutable.files_published", 0)
1282         bytes = data["counters"].get("mutable.bytes_published", 0)
1283         return "%s files / %s bytes (%s)" % (files, bytes,
1284                                              abbreviate_size(bytes))
1285
1286     def render_retrieves(self, ctx, data):
1287         files = data["counters"].get("mutable.files_retrieved", 0)
1288         bytes = data["counters"].get("mutable.bytes_retrieved", 0)
1289         return "%s files / %s bytes (%s)" % (files, bytes,
1290                                              abbreviate_size(bytes))
1291
1292     def render_drop_monitored(self, ctx, data):
1293         dirs = data["counters"].get("drop_upload.dirs_monitored", 0)
1294         return "%s directories" % (dirs,)
1295
1296     def render_drop_uploads(self, ctx, data):
1297         # TODO: bytes uploaded
1298         files = data["counters"].get("drop_upload.files_uploaded", 0)
1299         return "%s files" % (files,)
1300
1301     def render_drop_queued(self, ctx, data):
1302         files = data["counters"].get("drop_upload.files_queued", 0)
1303         return "%s files" % (files,)
1304
1305     def render_drop_failed(self, ctx, data):
1306         files = data["counters"].get("drop_upload.files_failed", 0)
1307         return "%s files" % (files,)
1308
1309     def render_raw(self, ctx, data):
1310         raw = pprint.pformat(data)
1311         return ctx.tag[raw]