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.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.preexisting_shares)
  31         return d
  32
  33     def render_sharemap(self, ctx, data):
  34         d = self.upload_results()
  35         d.addCallback(lambda res: res.sharemap)
  36         def _render(sharemap):
  37             if sharemap is None:
  38                 return "None"
  39             l = T.ul()
  40             for shnum, peerids in sorted(sharemap.items()):
  41                 peerids = ', '.join([idlib.shortnodeid_b2a(i) for i in peerids])
  42                 l[T.li["%d -> placed on [%s]" % (shnum, peerids)]]
  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.servermap)
  50         def _render(servermap):
  51             if servermap is None:
  52                 return "None"
  53             l = T.ul()
  54             for peerid in sorted(servermap.keys()):
  55                 peerid_s = idlib.shortnodeid_b2a(peerid)
  56                 shares_s = ",".join(["#%d" % shnum
  57                                      for shnum in servermap[peerid]])
  58                 l[T.li["[%s] got share%s: %s" % (peerid_s,
  59                                                  plural(servermap[peerid]),
  60                                                  shares_s)]]
  61             return l
  62         d.addCallback(_render)
  63         return d
  64
  65     def data_file_size(self, ctx, data):
  66         d = self.upload_results()
  67         d.addCallback(lambda res: res.file_size)
  68         return d
  69
  70     def _get_time(self, name):
  71         d = self.upload_results()
  72         d.addCallback(lambda res: res.timings.get(name))
  73         return d
  74
  75     def data_time_total(self, ctx, data):
  76         return self._get_time("total")
  77
  78     def data_time_storage_index(self, ctx, data):
  79         return self._get_time("storage_index")
  80
  81     def data_time_contacting_helper(self, ctx, data):
  82         return self._get_time("contacting_helper")
  83
  84     def data_time_existence_check(self, ctx, data):
  85         return self._get_time("existence_check")
  86
  87     def data_time_cumulative_fetch(self, ctx, data):
  88         return self._get_time("cumulative_fetch")
  89
  90     def data_time_helper_total(self, ctx, data):
  91         return self._get_time("helper_total")
  92
  93     def data_time_peer_selection(self, ctx, data):
  94         return self._get_time("peer_selection")
  95
  96     def data_time_total_encode_and_push(self, ctx, data):
  97         return self._get_time("total_encode_and_push")
  98
  99     def data_time_cumulative_encoding(self, ctx, data):
 100         return self._get_time("cumulative_encoding")
 101
 102     def data_time_cumulative_sending(self, ctx, data):
 103         return self._get_time("cumulative_sending")
 104
 105     def data_time_hashes_and_close(self, ctx, data):
 106         return self._get_time("hashes_and_close")
 107
 108     def _get_rate(self, name):
 109         d = self.upload_results()
 110         def _convert(r):
 111             file_size = r.file_size
 112             time = r.timings.get(name)
 113             return compute_rate(file_size, time)
 114         d.addCallback(_convert)
 115         return d
 116
 117     def data_rate_total(self, ctx, data):
 118         return self._get_rate("total")
 119
 120     def data_rate_storage_index(self, ctx, data):
 121         return self._get_rate("storage_index")
 122
 123     def data_rate_encode(self, ctx, data):
 124         return self._get_rate("cumulative_encoding")
 125
 126     def data_rate_push(self, ctx, data):
 127         return self._get_rate("cumulative_sending")
 128
 129     def data_rate_encode_and_push(self, ctx, data):
 130         d = self.upload_results()
 131         def _convert(r):
 132             file_size = r.file_size
 133             time1 = r.timings.get("cumulative_encoding")
 134             time2 = r.timings.get("cumulative_sending")
 135             if (time1 is None or time2 is None):
 136                 return None
 137             else:
 138                 return compute_rate(file_size, time1+time2)
 139         d.addCallback(_convert)
 140         return d
 141
 142     def data_rate_ciphertext_fetch(self, ctx, data):
 143         d = self.upload_results()
 144         def _convert(r):
 145             fetch_size = r.ciphertext_fetched
 146             time = r.timings.get("cumulative_fetch")
 147             return compute_rate(fetch_size, time)
 148         d.addCallback(_convert)
 149         return d
 150
 151 class UploadStatusPage(UploadResultsRendererMixin, rend.Page):
 152     docFactory = getxmlfile("upload-status.xhtml")
 153
 154     def __init__(self, data):
 155         rend.Page.__init__(self, data)
 156         self.upload_status = data
 157
 158     def upload_results(self):
 159         return defer.maybeDeferred(self.upload_status.get_results)
 160
 161     def render_results(self, ctx, data):
 162         d = self.upload_results()
 163         def _got_results(results):
 164             if results:
 165                 return ctx.tag
 166             return ""
 167         d.addCallback(_got_results)
 168         return d
 169
 170     def render_started(self, ctx, data):
 171         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 172         started_s = time.strftime(TIME_FORMAT,
 173                                   time.localtime(data.get_started()))
 174         return started_s
 175
 176     def render_si(self, ctx, data):
 177         si_s = base32.b2a_or_none(data.get_storage_index())
 178         if si_s is None:
 179             si_s = "(None)"
 180         return si_s
 181
 182     def render_helper(self, ctx, data):
 183         return {True: "Yes",
 184                 False: "No"}[data.using_helper()]
 185
 186     def render_total_size(self, ctx, data):
 187         size = data.get_size()
 188         if size is None:
 189             return "(unknown)"
 190         return size
 191
 192     def render_progress_hash(self, ctx, data):
 193         progress = data.get_progress()[0]
 194         # TODO: make an ascii-art bar
 195         return "%.1f%%" % (100.0 * progress)
 196
 197     def render_progress_ciphertext(self, ctx, data):
 198         progress = data.get_progress()[1]
 199         # TODO: make an ascii-art bar
 200         return "%.1f%%" % (100.0 * progress)
 201
 202     def render_progress_encode_push(self, ctx, data):
 203         progress = data.get_progress()[2]
 204         # TODO: make an ascii-art bar
 205         return "%.1f%%" % (100.0 * progress)
 206
 207     def render_status(self, ctx, data):
 208         return data.get_status()
 209
 210 class DownloadResultsRendererMixin(RateAndTimeMixin):
 211     # this requires a method named 'download_results'
 212
 213     def render_servermap(self, ctx, data):
 214         d = self.download_results()
 215         d.addCallback(lambda res: res.servermap)
 216         def _render(servermap):
 217             if servermap is None:
 218                 return "None"
 219             l = T.ul()
 220             for peerid in sorted(servermap.keys()):
 221                 peerid_s = idlib.shortnodeid_b2a(peerid)
 222                 shares_s = ",".join(["#%d" % shnum
 223                                      for shnum in servermap[peerid]])
 224                 l[T.li["[%s] has share%s: %s" % (peerid_s,
 225                                                  plural(servermap[peerid]),
 226                                                  shares_s)]]
 227             return l
 228         d.addCallback(_render)
 229         return d
 230
 231     def render_servers_used(self, ctx, data):
 232         d = self.download_results()
 233         d.addCallback(lambda res: res.servers_used)
 234         def _got(servers_used):
 235             if not servers_used:
 236                 return ""
 237             peerids_s = ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
 238                                    for peerid in servers_used])
 239             return T.li["Servers Used: ", peerids_s]
 240         d.addCallback(_got)
 241         return d
 242
 243     def render_problems(self, ctx, data):
 244         d = self.download_results()
 245         d.addCallback(lambda res: res.server_problems)
 246         def _got(server_problems):
 247             if not server_problems:
 248                 return ""
 249             l = T.ul()
 250             for peerid in sorted(server_problems.keys()):
 251                 peerid_s = idlib.shortnodeid_b2a(peerid)
 252                 l[T.li["[%s]: %s" % (peerid_s, server_problems[peerid])]]
 253             return T.li["Server Problems:", l]
 254         d.addCallback(_got)
 255         return d
 256
 257     def data_file_size(self, ctx, data):
 258         d = self.download_results()
 259         d.addCallback(lambda res: res.file_size)
 260         return d
 261
 262     def _get_time(self, name):
 263         d = self.download_results()
 264         d.addCallback(lambda res: res.timings.get(name))
 265         return d
 266
 267     def data_time_total(self, ctx, data):
 268         return self._get_time("total")
 269
 270     def data_time_peer_selection(self, ctx, data):
 271         return self._get_time("peer_selection")
 272
 273     def data_time_uri_extension(self, ctx, data):
 274         return self._get_time("uri_extension")
 275
 276     def data_time_hashtrees(self, ctx, data):
 277         return self._get_time("hashtrees")
 278
 279     def data_time_segments(self, ctx, data):
 280         return self._get_time("segments")
 281
 282     def data_time_cumulative_fetch(self, ctx, data):
 283         return self._get_time("cumulative_fetch")
 284
 285     def data_time_cumulative_decode(self, ctx, data):
 286         return self._get_time("cumulative_decode")
 287
 288     def data_time_cumulative_decrypt(self, ctx, data):
 289         return self._get_time("cumulative_decrypt")
 290
 291     def data_time_paused(self, ctx, data):
 292         return self._get_time("paused")
 293
 294     def _get_rate(self, name):
 295         d = self.download_results()
 296         def _convert(r):
 297             file_size = r.file_size
 298             time = r.timings.get(name)
 299             return compute_rate(file_size, time)
 300         d.addCallback(_convert)
 301         return d
 302
 303     def data_rate_total(self, ctx, data):
 304         return self._get_rate("total")
 305
 306     def data_rate_segments(self, ctx, data):
 307         return self._get_rate("segments")
 308
 309     def data_rate_fetch(self, ctx, data):
 310         return self._get_rate("cumulative_fetch")
 311
 312     def data_rate_decode(self, ctx, data):
 313         return self._get_rate("cumulative_decode")
 314
 315     def data_rate_decrypt(self, ctx, data):
 316         return self._get_rate("cumulative_decrypt")
 317
 318     def render_server_timings(self, ctx, data):
 319         d = self.download_results()
 320         d.addCallback(lambda res: res.timings.get("fetch_per_server"))
 321         def _render(per_server):
 322             if per_server is None:
 323                 return ""
 324             l = T.ul()
 325             for peerid in sorted(per_server.keys()):
 326                 peerid_s = idlib.shortnodeid_b2a(peerid)
 327                 times_s = ", ".join([self.render_time(None, t)
 328                                      for t in per_server[peerid]])
 329                 l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 330             return T.li["Per-Server Segment Fetch Response Times: ", l]
 331         d.addCallback(_render)
 332         return d
 333
 334 class DownloadStatusPage(DownloadResultsRendererMixin, rend.Page):
 335     docFactory = getxmlfile("download-status.xhtml")
 336
 337     def __init__(self, data):
 338         rend.Page.__init__(self, data)
 339         self.download_status = data
 340
 341     def child_timeline(self, ctx):
 342         return DownloadStatusTimelinePage(self.download_status)
 343
 344     def download_results(self):
 345         return defer.maybeDeferred(self.download_status.get_results)
 346
 347     def relative_time(self, t):
 348         if t is None:
 349             return t
 350         if self.download_status.first_timestamp is not None:
 351             return t - self.download_status.first_timestamp
 352         return t
 353     def short_relative_time(self, t):
 354         t = self.relative_time(t)
 355         if t is None:
 356             return ""
 357         return "+%.6fs" % t
 358
 359     def _find_overlap(self, events, start_key, end_key):
 360         # given a list of event dicts, return a new list in which each event
 361         # has an extra "row" key (an int, starting at 0), and if appropriate
 362         # a "serverid" key (ascii-encoded server id), replacing the "server"
 363         # key. This is a hint to our JS frontend about how to overlap the
 364         # parts of the graph it is drawing.
 365
 366         # we must always make a copy, since we're going to be adding keys
 367         # and don't want to change the original objects. If we're
 368         # stringifying serverids, we'll also be changing the serverid keys.
 369         new_events = []
 370         rows = []
 371         for ev in events:
 372             ev = ev.copy()
 373             if ev.has_key('server'):
 374                 ev["serverid"] = base32.b2a(ev["server"].get_serverid())
 375                 del ev["server"]
 376             # find an empty slot in the rows
 377             free_slot = None
 378             for row,finished in enumerate(rows):
 379                 if finished is not None:
 380                     if ev[start_key] > finished:
 381                         free_slot = row
 382                         break
 383             if free_slot is None:
 384                 free_slot = len(rows)
 385                 rows.append(ev[end_key])
 386             else:
 387                 rows[free_slot] = ev[end_key]
 388             ev["row"] = free_slot
 389             new_events.append(ev)
 390         return new_events
 391
 392     def _find_overlap_requests(self, events):
 393         """We compute a three-element 'row tuple' for each event: (serverid,
 394         shnum, row). All elements are ints. The first is a mapping from
 395         serverid to group number, the second is a mapping from shnum to
 396         subgroup number. The third is a row within the subgroup.
 397
 398         We also return a list of lists of rowcounts, so renderers can decide
 399         how much vertical space to give to each row.
 400         """
 401
 402         serverid_to_group = {}
 403         groupnum_to_rows = {} # maps groupnum to a table of rows. Each table
 404                               # is a list with an element for each row number
 405                               # (int starting from 0) that contains a
 406                               # finish_time, indicating that the row is empty
 407                               # beyond that time. If finish_time is None, it
 408                               # indicate a response that has not yet
 409                               # completed, so the row cannot be reused.
 410         new_events = []
 411         for ev in events:
 412             # DownloadStatus promises to give us events in temporal order
 413             ev = ev.copy()
 414             ev["serverid"] = base32.b2a(ev["server"].get_serverid())
 415             del ev["server"]
 416             if ev["serverid"] not in serverid_to_group:
 417                 groupnum = len(serverid_to_group)
 418                 serverid_to_group[ev["serverid"]] = groupnum
 419             groupnum = serverid_to_group[ev["serverid"]]
 420             if groupnum not in groupnum_to_rows:
 421                 groupnum_to_rows[groupnum] = []
 422             rows = groupnum_to_rows[groupnum]
 423             # find an empty slot in the rows
 424             free_slot = None
 425             for row,finished in enumerate(rows):
 426                 if finished is not None:
 427                     if ev["start_time"] > finished:
 428                         free_slot = row
 429                         break
 430             if free_slot is None:
 431                 free_slot = len(rows)
 432                 rows.append(ev["finish_time"])
 433             else:
 434                 rows[free_slot] = ev["finish_time"]
 435             ev["row"] = (groupnum, free_slot)
 436             new_events.append(ev)
 437         # maybe also return serverid_to_group, groupnum_to_rows, and some
 438         # indication of the highest finish_time
 439         #
 440         # actually, return the highest rownum for each groupnum
 441         highest_rownums = [len(groupnum_to_rows[groupnum])
 442                            for groupnum in range(len(serverid_to_group))]
 443         return new_events, highest_rownums
 444
 445     def child_event_json(self, ctx):
 446         inevow.IRequest(ctx).setHeader("content-type", "text/plain")
 447         data = { } # this will be returned to the GET
 448         ds = self.download_status
 449
 450         data["read"] = self._find_overlap(ds.read_events,
 451                                           "start_time", "finish_time")
 452         data["segment"] = self._find_overlap(ds.segment_events,
 453                                              "start_time", "finish_time")
 454         data["dyhb"] = self._find_overlap(ds.dyhb_requests,
 455                                           "start_time", "finish_time")
 456         data["block"],data["block_rownums"] = self._find_overlap_requests(ds.block_requests)
 457
 458         servernums = {}
 459         serverid_strings = {}
 460         for d_ev in data["dyhb"]:
 461             if d_ev["serverid"] not in servernums:
 462                 servernum = len(servernums)
 463                 servernums[d_ev["serverid"]] = servernum
 464                 #title= "%s: %s" % ( ",".join([str(shnum) for shnum in shnums]))
 465                 serverid_strings[servernum] = d_ev["serverid"][:4]
 466         data["server_info"] = dict([(serverid, {"num": servernums[serverid],
 467                                                 "color": self.color(base32.a2b(serverid)),
 468                                                 "short": serverid_strings[servernums[serverid]],
 469                                                 })
 470                                    for serverid in servernums.keys()])
 471         data["num_serverids"] = len(serverid_strings)
 472         # we'd prefer the keys of serverids[] to be ints, but this is JSON,
 473         # so they get converted to strings. Stupid javascript.
 474         data["serverids"] = serverid_strings
 475         data["bounds"] = {"min": ds.first_timestamp, "max": ds.last_timestamp}
 476         return simplejson.dumps(data, indent=1) + "\n"
 477
 478     def render_timeline_link(self, ctx, data):
 479         from nevow import url
 480         return T.a(href=url.URL.fromContext(ctx).child("timeline"))["timeline"]
 481
 482     def _rate_and_time(self, bytes, seconds):
 483         time_s = self.render_time(None, seconds)
 484         if seconds != 0:
 485             rate = self.render_rate(None, 1.0 * bytes / seconds)
 486             return T.span(title=rate)[time_s]
 487         return T.span[time_s]
 488
 489     def render_events(self, ctx, data):
 490         if not self.download_status.storage_index:
 491             return
 492         srt = self.short_relative_time
 493         l = T.div()
 494
 495         t = T.table(align="left", class_="status-download-events")
 496         t[T.tr[T.th["serverid"], T.th["sent"], T.th["received"],
 497                T.th["shnums"], T.th["RTT"]]]
 498         for d_ev in self.download_status.dyhb_requests:
 499             server = d_ev["server"]
 500             sent = d_ev["start_time"]
 501             shnums = d_ev["response_shnums"]
 502             received = d_ev["finish_time"]
 503             rtt = None
 504             if received is not None:
 505                 rtt = received - sent
 506             if not shnums:
 507                 shnums = ["-"]
 508             t[T.tr(style="background: %s" % self.color(server.get_serverid()))[
 509                 [T.td[server.get_name()], T.td[srt(sent)], T.td[srt(received)],
 510                  T.td[",".join([str(shnum) for shnum in shnums])],
 511                  T.td[self.render_time(None, rtt)],
 512                  ]]]
 513
 514         l[T.h2["DYHB Requests:"], t]
 515         l[T.br(clear="all")]
 516
 517         t = T.table(align="left",class_="status-download-events")
 518         t[T.tr[T.th["range"], T.th["start"], T.th["finish"], T.th["got"],
 519                T.th["time"], T.th["decrypttime"], T.th["pausedtime"],
 520                T.th["speed"]]]
 521         for r_ev in self.download_status.read_events:
 522             start = r_ev["start"]
 523             length = r_ev["length"]
 524             bytes = r_ev["bytes_returned"]
 525             decrypt_time = ""
 526             if bytes:
 527                 decrypt_time = self._rate_and_time(bytes, r_ev["decrypt_time"])
 528             speed, rtt = "",""
 529             if r_ev["finish_time"] is not None:
 530                 rtt = r_ev["finish_time"] - r_ev["start_time"] - r_ev["paused_time"]
 531                 speed = self.render_rate(None, compute_rate(bytes, rtt))
 532                 rtt = self.render_time(None, rtt)
 533             paused = self.render_time(None, r_ev["paused_time"])
 534
 535             t[T.tr[T.td["[%d:+%d]" % (start, length)],
 536                    T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
 537                    T.td[bytes], T.td[rtt],
 538                    T.td[decrypt_time], T.td[paused],
 539                    T.td[speed],
 540                    ]]
 541
 542         l[T.h2["Read Events:"], t]
 543         l[T.br(clear="all")]
 544
 545         t = T.table(align="left",class_="status-download-events")
 546         t[T.tr[T.th["segnum"], T.th["start"], T.th["active"], T.th["finish"],
 547                T.th["range"],
 548                T.th["decodetime"], T.th["segtime"], T.th["speed"]]]
 549         for s_ev in self.download_status.segment_events:
 550             range_s = "-"
 551             segtime_s = "-"
 552             speed = "-"
 553             decode_time = "-"
 554             if s_ev["finish_time"] is not None:
 555                 if s_ev["success"]:
 556                     segtime = s_ev["finish_time"] - s_ev["active_time"]
 557                     segtime_s = self.render_time(None, segtime)
 558                     seglen = s_ev["segment_length"]
 559                     range_s = "[%d:+%d]" % (s_ev["segment_start"], seglen)
 560                     speed = self.render_rate(None, compute_rate(seglen, segtime))
 561                     decode_time = self._rate_and_time(seglen, s_ev["decode_time"])
 562                 else:
 563                     # error
 564                     range_s = "error"
 565             else:
 566                 # not finished yet
 567                 pass
 568
 569             t[T.tr[T.td["seg%d" % s_ev["segment_number"]],
 570                    T.td[srt(s_ev["start_time"])],
 571                    T.td[srt(s_ev["active_time"])],
 572                    T.td[srt(s_ev["finish_time"])],
 573                    T.td[range_s],
 574                    T.td[decode_time],
 575                    T.td[segtime_s], T.td[speed]]]
 576
 577         l[T.h2["Segment Events:"], t]
 578         l[T.br(clear="all")]
 579         t = T.table(align="left",class_="status-download-events")
 580         t[T.tr[T.th["serverid"], T.th["shnum"], T.th["range"],
 581                T.th["txtime"], T.th["rxtime"],
 582                T.th["received"], T.th["RTT"]]]
 583         for r_ev in self.download_status.block_requests:
 584             server = r_ev["server"]
 585             rtt = None
 586             if r_ev["finish_time"] is not None:
 587                 rtt = r_ev["finish_time"] - r_ev["start_time"]
 588             color = self.color(server.get_serverid())
 589             t[T.tr(style="background: %s" % color)[
 590                 T.td[server.get_name()], T.td[r_ev["shnum"]],
 591                 T.td["[%d:+%d]" % (r_ev["start"], r_ev["length"])],
 592                 T.td[srt(r_ev["start_time"])], T.td[srt(r_ev["finish_time"])],
 593                 T.td[r_ev["response_length"] or ""],
 594                 T.td[self.render_time(None, rtt)],
 595                 ]]
 596
 597         l[T.h2["Requests:"], t]
 598         l[T.br(clear="all")]
 599
 600         return l
 601
 602     def color(self, peerid):
 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.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 peerid in sorted(per_server.keys()):
 761             peerid_s = idlib.shortnodeid_b2a(peerid)
 762             times_s = ", ".join([self.render_time(None, t)
 763                                  for t in per_server[peerid]])
 764             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 765         return T.li["Per-Server Fetch Response Times: ", l]
 766
 767
 768 class PublishStatusPage(rend.Page, RateAndTimeMixin):
 769     docFactory = getxmlfile("publish-status.xhtml")
 770
 771     def __init__(self, data):
 772         rend.Page.__init__(self, data)
 773         self.publish_status = data
 774
 775     def render_started(self, ctx, data):
 776         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 777         started_s = time.strftime(TIME_FORMAT,
 778                                   time.localtime(data.get_started()))
 779         return started_s
 780
 781     def render_si(self, ctx, data):
 782         si_s = base32.b2a_or_none(data.get_storage_index())
 783         if si_s is None:
 784             si_s = "(None)"
 785         return si_s
 786
 787     def render_helper(self, ctx, data):
 788         return {True: "Yes",
 789                 False: "No"}[data.using_helper()]
 790
 791     def render_current_size(self, ctx, data):
 792         size = data.get_size()
 793         if size is None:
 794             size = "(unknown)"
 795         return size
 796
 797     def render_progress(self, ctx, data):
 798         progress = data.get_progress()
 799         # TODO: make an ascii-art bar
 800         return "%.1f%%" % (100.0 * progress)
 801
 802     def render_status(self, ctx, data):
 803         return data.get_status()
 804
 805     def render_encoding(self, ctx, data):
 806         k, n = data.get_encoding()
 807         return ctx.tag["Encoding: %s of %s" % (k, n)]
 808
 809     def render_sharemap(self, ctx, data):
 810         servermap = data.get_servermap()
 811         if servermap is None:
 812             return ctx.tag["None"]
 813         l = T.ul()
 814         sharemap = servermap.make_sharemap()
 815         for shnum in sorted(sharemap.keys()):
 816             l[T.li["%d -> Placed on " % shnum,
 817                    ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
 818                               for peerid in sharemap[shnum]])]]
 819         return ctx.tag["Sharemap:", l]
 820
 821     def render_problems(self, ctx, data):
 822         problems = data.problems
 823         if not problems:
 824             return ""
 825         l = T.ul()
 826         for peerid in sorted(problems.keys()):
 827             peerid_s = idlib.shortnodeid_b2a(peerid)
 828             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 829         return ctx.tag["Server Problems:", l]
 830
 831     def _get_rate(self, data, name):
 832         file_size = self.publish_status.get_size()
 833         time = self.publish_status.timings.get(name)
 834         return compute_rate(file_size, time)
 835
 836     def data_time_total(self, ctx, data):
 837         return self.publish_status.timings.get("total")
 838     def data_rate_total(self, ctx, data):
 839         return self._get_rate(data, "total")
 840
 841     def data_time_setup(self, ctx, data):
 842         return self.publish_status.timings.get("setup")
 843
 844     def data_time_encrypt(self, ctx, data):
 845         return self.publish_status.timings.get("encrypt")
 846     def data_rate_encrypt(self, ctx, data):
 847         return self._get_rate(data, "encrypt")
 848
 849     def data_time_encode(self, ctx, data):
 850         return self.publish_status.timings.get("encode")
 851     def data_rate_encode(self, ctx, data):
 852         return self._get_rate(data, "encode")
 853
 854     def data_time_pack(self, ctx, data):
 855         return self.publish_status.timings.get("pack")
 856     def data_rate_pack(self, ctx, data):
 857         return self._get_rate(data, "pack")
 858     def data_time_sign(self, ctx, data):
 859         return self.publish_status.timings.get("sign")
 860
 861     def data_time_push(self, ctx, data):
 862         return self.publish_status.timings.get("push")
 863     def data_rate_push(self, ctx, data):
 864         return self._get_rate(data, "push")
 865
 866     def render_server_timings(self, ctx, data):
 867         per_server = self.publish_status.timings.get("send_per_server")
 868         if not per_server:
 869             return ""
 870         l = T.ul()
 871         for peerid in sorted(per_server.keys()):
 872             peerid_s = idlib.shortnodeid_b2a(peerid)
 873             times_s = ", ".join([self.render_time(None, t)
 874                                  for t in per_server[peerid]])
 875             l[T.li["[%s]: %s" % (peerid_s, 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         peerid = data.get_privkey_from()
 930         if peerid:
 931             return ctx.tag["Got privkey from: [%s]"
 932                            % idlib.shortnodeid_b2a(peerid)]
 933         else:
 934             return ""
 935
 936     def data_time_total(self, ctx, data):
 937         return self.update_status.timings.get("total")
 938
 939     def data_time_initial_queries(self, ctx, data):
 940         return self.update_status.timings.get("initial_queries")
 941
 942     def data_time_cumulative_verify(self, ctx, data):
 943         return self.update_status.timings.get("cumulative_verify")
 944
 945     def render_server_timings(self, ctx, data):
 946         per_server = self.update_status.timings.get("per_server")
 947         if not per_server:
 948             return ""
 949         l = T.ul()
 950         for peerid in sorted(per_server.keys()):
 951             peerid_s = idlib.shortnodeid_b2a(peerid)
 952             times = []
 953             for op,started,t in per_server[peerid]:
 954                 #times.append("%s/%.4fs/%s/%s" % (op,
 955                 #                              started,
 956                 #                              self.render_time(None, started - self.update_status.get_started()),
 957                 #                              self.render_time(None,t)))
 958                 if op == "query":
 959                     times.append( self.render_time(None, t) )
 960                 elif op == "late":
 961                     times.append( "late(" + self.render_time(None, t) + ")" )
 962                 else:
 963                     times.append( "privkey(" + self.render_time(None, t) + ")" )
 964             times_s = ", ".join(times)
 965             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 966         return T.li["Per-Server Response Times: ", l]
 967
 968     def render_timing_chart(self, ctx, data):
 969         imageurl = self._timing_chart()
 970         return ctx.tag[imageurl]
 971
 972     def _timing_chart(self):
 973         started = self.update_status.get_started()
 974         total = self.update_status.timings.get("total")
 975         per_server = self.update_status.timings.get("per_server")
 976         base = "http://chart.apis.google.com/chart?"
 977         pieces = ["cht=bhs"]
 978         pieces.append("chco=ffffff,4d89f9,c6d9fd") # colors
 979         data0 = []
 980         data1 = []
 981         data2 = []
 982         nb_nodes = 0
 983         graph_botom_margin= 21
 984         graph_top_margin = 5
 985         peerids_s = []
 986         top_abs = started
 987         # we sort the queries by the time at which we sent the first request
 988         sorttable = [ (times[0][1], peerid)
 989                       for peerid, times in per_server.items() ]
 990         sorttable.sort()
 991         peerids = [t[1] for t in sorttable]
 992
 993         for peerid in peerids:
 994             nb_nodes += 1
 995             times = per_server[peerid]
 996             peerid_s = idlib.shortnodeid_b2a(peerid)
 997             peerids_s.append(peerid_s)
 998             # for servermap updates, there are either one or two queries per
 999             # peer. The second (if present) is to get the privkey.
1000             op,q_started,q_elapsed = times[0]
1001             data0.append("%.3f" % (q_started-started))
1002             data1.append("%.3f" % q_elapsed)
1003             top_abs = max(top_abs, q_started+q_elapsed)
1004             if len(times) > 1:
1005                 op,p_started,p_elapsed = times[0]
1006                 data2.append("%.3f" % p_elapsed)
1007                 top_abs = max(top_abs, p_started+p_elapsed)
1008             else:
1009                 data2.append("0.0")
1010         finished = self.update_status.get_finished()
1011         if finished:
1012             top_abs = max(top_abs, finished)
1013         top_rel = top_abs - started
1014         chs ="chs=400x%d" % ( (nb_nodes*28) + graph_top_margin + graph_botom_margin )
1015         chd = "chd=t:" + "|".join([",".join(data0),
1016                                    ",".join(data1),
1017                                    ",".join(data2)])
1018         pieces.append(chd)
1019         pieces.append(chs)
1020         chds = "chds=0,%0.3f" % top_rel
1021         pieces.append(chds)
1022         pieces.append("chxt=x,y")
1023         pieces.append("chxr=0,0.0,%0.3f" % top_rel)
1024         pieces.append("chxl=1:|" + "|".join(reversed(peerids_s)))
1025         # use up to 10 grid lines, at decimal multiples.
1026         # mathutil.next_power_of_k doesn't handle numbers smaller than one,
1027         # unfortunately.
1028         #pieces.append("chg="
1029
1030         if total is not None:
1031             finished_f = 1.0 * total / top_rel
1032             pieces.append("chm=r,FF0000,0,%0.3f,%0.3f" % (finished_f,
1033                                                           finished_f+0.01))
1034         url = base + "&".join(pieces)
1035         return T.img(src=url,border="1",align="right", float="right")
1036
1037
1038 class Status(rend.Page):
1039     docFactory = getxmlfile("status.xhtml")
1040     addSlash = True
1041
1042     def __init__(self, history):
1043         rend.Page.__init__(self, history)
1044         self.history = history
1045
1046     def renderHTTP(self, ctx):
1047         req = inevow.IRequest(ctx)
1048         t = get_arg(req, "t")
1049         if t == "json":
1050             return self.json(req)
1051         return rend.Page.renderHTTP(self, ctx)
1052
1053     def json(self, req):
1054         req.setHeader("content-type", "text/plain")
1055         data = {}
1056         data["active"] = active = []
1057         for s in self._get_active_operations():
1058             si_s = base32.b2a_or_none(s.get_storage_index())
1059             size = s.get_size()
1060             status = s.get_status()
1061             if IUploadStatus.providedBy(s):
1062                 h,c,e = s.get_progress()
1063                 active.append({"type": "upload",
1064                                "storage-index-string": si_s,
1065                                "total-size": size,
1066                                "status": status,
1067                                "progress-hash": h,
1068                                "progress-ciphertext": c,
1069                                "progress-encode-push": e,
1070                                })
1071             elif IDownloadStatus.providedBy(s):
1072                 active.append({"type": "download",
1073                                "storage-index-string": si_s,
1074                                "total-size": size,
1075                                "status": status,
1076                                "progress": s.get_progress(),
1077                                })
1078
1079         return simplejson.dumps(data, indent=1) + "\n"
1080
1081     def _get_all_statuses(self):
1082         h = self.history
1083         return itertools.chain(h.list_all_upload_statuses(),
1084                                h.list_all_download_statuses(),
1085                                h.list_all_mapupdate_statuses(),
1086                                h.list_all_publish_statuses(),
1087                                h.list_all_retrieve_statuses(),
1088                                h.list_all_helper_statuses(),
1089                                )
1090
1091     def data_active_operations(self, ctx, data):
1092         return self._get_active_operations()
1093
1094     def _get_active_operations(self):
1095         active = [s
1096                   for s in self._get_all_statuses()
1097                   if s.get_active()]
1098         return active
1099
1100     def data_recent_operations(self, ctx, data):
1101         return self._get_recent_operations()
1102
1103     def _get_recent_operations(self):
1104         recent = [s
1105                   for s in self._get_all_statuses()
1106                   if not s.get_active()]
1107         recent.sort(lambda a,b: cmp(a.get_started(), b.get_started()))
1108         recent.reverse()
1109         return recent
1110
1111     def render_row(self, ctx, data):
1112         s = data
1113
1114         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
1115         started_s = time.strftime(TIME_FORMAT,
1116                                   time.localtime(s.get_started()))
1117         ctx.fillSlots("started", started_s)
1118
1119         si_s = base32.b2a_or_none(s.get_storage_index())
1120         if si_s is None:
1121             si_s = "(None)"
1122         ctx.fillSlots("si", si_s)
1123         ctx.fillSlots("helper", {True: "Yes",
1124                                  False: "No"}[s.using_helper()])
1125
1126         size = s.get_size()
1127         if size is None:
1128             size = "(unknown)"
1129         elif isinstance(size, (int, long, float)):
1130             size = abbreviate_size(size)
1131         ctx.fillSlots("total_size", size)
1132
1133         progress = data.get_progress()
1134         if IUploadStatus.providedBy(data):
1135             link = "up-%d" % data.get_counter()
1136             ctx.fillSlots("type", "upload")
1137             # TODO: make an ascii-art bar
1138             (chk, ciphertext, encandpush) = progress
1139             progress_s = ("hash: %.1f%%, ciphertext: %.1f%%, encode: %.1f%%" %
1140                           ( (100.0 * chk),
1141                             (100.0 * ciphertext),
1142                             (100.0 * encandpush) ))
1143             ctx.fillSlots("progress", progress_s)
1144         elif IDownloadStatus.providedBy(data):
1145             link = "down-%d" % data.get_counter()
1146             ctx.fillSlots("type", "download")
1147             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1148         elif IPublishStatus.providedBy(data):
1149             link = "publish-%d" % data.get_counter()
1150             ctx.fillSlots("type", "publish")
1151             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1152         elif IRetrieveStatus.providedBy(data):
1153             ctx.fillSlots("type", "retrieve")
1154             link = "retrieve-%d" % data.get_counter()
1155             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1156         else:
1157             assert IServermapUpdaterStatus.providedBy(data)
1158             ctx.fillSlots("type", "mapupdate %s" % data.get_mode())
1159             link = "mapupdate-%d" % data.get_counter()
1160             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1161         ctx.fillSlots("status", T.a(href=link)[s.get_status()])
1162         return ctx.tag
1163
1164     def childFactory(self, ctx, name):
1165         h = self.history
1166         stype,count_s = name.split("-")
1167         count = int(count_s)
1168         if stype == "up":
1169             for s in itertools.chain(h.list_all_upload_statuses(),
1170                                      h.list_all_helper_statuses()):
1171                 # immutable-upload helpers use the same status object as a
1172                 # regular immutable-upload
1173                 if s.get_counter() == count:
1174                     return UploadStatusPage(s)
1175         if stype == "down":
1176             for s in h.list_all_download_statuses():
1177                 if s.get_counter() == count:
1178                     return DownloadStatusPage(s)
1179         if stype == "mapupdate":
1180             for s in h.list_all_mapupdate_statuses():
1181                 if s.get_counter() == count:
1182                     return MapupdateStatusPage(s)
1183         if stype == "publish":
1184             for s in h.list_all_publish_statuses():
1185                 if s.get_counter() == count:
1186                     return PublishStatusPage(s)
1187         if stype == "retrieve":
1188             for s in h.list_all_retrieve_statuses():
1189                 if s.get_counter() == count:
1190                     return RetrieveStatusPage(s)
1191
1192
1193 class HelperStatus(rend.Page):
1194     docFactory = getxmlfile("helper.xhtml")
1195
1196     def __init__(self, helper):
1197         rend.Page.__init__(self, helper)
1198         self.helper = helper
1199
1200     def renderHTTP(self, ctx):
1201         req = inevow.IRequest(ctx)
1202         t = get_arg(req, "t")
1203         if t == "json":
1204             return self.render_JSON(req)
1205         return rend.Page.renderHTTP(self, ctx)
1206
1207     def data_helper_stats(self, ctx, data):
1208         return self.helper.get_stats()
1209
1210     def render_JSON(self, req):
1211         req.setHeader("content-type", "text/plain")
1212         if self.helper:
1213             stats = self.helper.get_stats()
1214             return simplejson.dumps(stats, indent=1) + "\n"
1215         return simplejson.dumps({}) + "\n"
1216
1217     def render_active_uploads(self, ctx, data):
1218         return data["chk_upload_helper.active_uploads"]
1219
1220     def render_incoming(self, ctx, data):
1221         return "%d bytes in %d files" % (data["chk_upload_helper.incoming_size"],
1222                                          data["chk_upload_helper.incoming_count"])
1223
1224     def render_encoding(self, ctx, data):
1225         return "%d bytes in %d files" % (data["chk_upload_helper.encoding_size"],
1226                                          data["chk_upload_helper.encoding_count"])
1227
1228     def render_upload_requests(self, ctx, data):
1229         return str(data["chk_upload_helper.upload_requests"])
1230
1231     def render_upload_already_present(self, ctx, data):
1232         return str(data["chk_upload_helper.upload_already_present"])
1233
1234     def render_upload_need_upload(self, ctx, data):
1235         return str(data["chk_upload_helper.upload_need_upload"])
1236
1237     def render_upload_bytes_fetched(self, ctx, data):
1238         return str(data["chk_upload_helper.fetched_bytes"])
1239
1240     def render_upload_bytes_encoded(self, ctx, data):
1241         return str(data["chk_upload_helper.encoded_bytes"])
1242
1243
1244 class Statistics(rend.Page):
1245     docFactory = getxmlfile("statistics.xhtml")
1246
1247     def __init__(self, provider):
1248         rend.Page.__init__(self, provider)
1249         self.provider = provider
1250
1251     def renderHTTP(self, ctx):
1252         req = inevow.IRequest(ctx)
1253         t = get_arg(req, "t")
1254         if t == "json":
1255             stats = self.provider.get_stats()
1256             req.setHeader("content-type", "text/plain")
1257             return simplejson.dumps(stats, indent=1) + "\n"
1258         return rend.Page.renderHTTP(self, ctx)
1259
1260     def data_get_stats(self, ctx, data):
1261         return self.provider.get_stats()
1262
1263     def render_load_average(self, ctx, data):
1264         return str(data["stats"].get("load_monitor.avg_load"))
1265
1266     def render_peak_load(self, ctx, data):
1267         return str(data["stats"].get("load_monitor.max_load"))
1268
1269     def render_uploads(self, ctx, data):
1270         files = data["counters"].get("uploader.files_uploaded", 0)
1271         bytes = data["counters"].get("uploader.bytes_uploaded", 0)
1272         return ("%s files / %s bytes (%s)" %
1273                 (files, bytes, abbreviate_size(bytes)))
1274
1275     def render_downloads(self, ctx, data):
1276         files = data["counters"].get("downloader.files_downloaded", 0)
1277         bytes = data["counters"].get("downloader.bytes_downloaded", 0)
1278         return ("%s files / %s bytes (%s)" %
1279                 (files, bytes, abbreviate_size(bytes)))
1280
1281     def render_publishes(self, ctx, data):
1282         files = data["counters"].get("mutable.files_published", 0)
1283         bytes = data["counters"].get("mutable.bytes_published", 0)
1284         return "%s files / %s bytes (%s)" % (files, bytes,
1285                                              abbreviate_size(bytes))
1286
1287     def render_retrieves(self, ctx, data):
1288         files = data["counters"].get("mutable.files_retrieved", 0)
1289         bytes = data["counters"].get("mutable.bytes_retrieved", 0)
1290         return "%s files / %s bytes (%s)" % (files, bytes,
1291                                              abbreviate_size(bytes))
1292
1293     def render_drop_monitored(self, ctx, data):
1294         dirs = data["counters"].get("drop_upload.dirs_monitored", 0)
1295         return "%s directories" % (dirs,)
1296
1297     def render_drop_uploads(self, ctx, data):
1298         # TODO: bytes uploaded
1299         files = data["counters"].get("drop_upload.files_uploaded", 0)
1300         return "%s files" % (files,)
1301
1302     def render_drop_queued(self, ctx, data):
1303         files = data["counters"].get("drop_upload.files_queued", 0)
1304         return "%s files" % (files,)
1305
1306     def render_drop_failed(self, ctx, data):
1307         files = data["counters"].get("drop_upload.files_failed", 0)
1308         return "%s files" % (files,)
1309
1310     def render_raw(self, ctx, data):
1311         raw = pprint.pformat(data)
1312         return ctx.tag[raw]