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 download_results(self):
 342         return defer.maybeDeferred(self.download_status.get_results)
 343
 344     def relative_time(self, t):
 345         if t is None:
 346             return t
 347         if self.download_status.started is not None:
 348             return t - self.download_status.started
 349         return t
 350     def short_relative_time(self, t):
 351         t = self.relative_time(t)
 352         if t is None:
 353             return ""
 354         return "+%.6fs" % t
 355
 356     def renderHTTP(self, ctx):
 357         req = inevow.IRequest(ctx)
 358         t = get_arg(req, "t")
 359         if t == "json":
 360             return self.json(req)
 361         return rend.Page.renderHTTP(self, ctx)
 362
 363     def json(self, req):
 364         req.setHeader("content-type", "text/plain")
 365         data = {}
 366         dyhb_events = []
 367         for serverid,requests in self.download_status.dyhb_requests.iteritems():
 368             for req in requests:
 369                 dyhb_events.append( (base32.b2a(serverid),) + req )
 370         dyhb_events.sort(key=lambda req: req[1])
 371         data["dyhb"] = dyhb_events
 372         request_events = []
 373         for serverid,requests in self.download_status.requests.iteritems():
 374             for req in requests:
 375                 request_events.append( (base32.b2a(serverid),) + req )
 376         request_events.sort(key=lambda req: (req[4],req[1]))
 377         data["requests"] = request_events
 378         data["segment"] = self.download_status.segment_events
 379         data["read"] = self.download_status.read_events
 380         return simplejson.dumps(data, indent=1) + "\n"
 381
 382     def render_events(self, ctx, data):
 383         if not self.download_status.storage_index:
 384             return
 385         srt = self.short_relative_time
 386         l = T.ul()
 387
 388         t = T.table(class_="status-download-events")
 389         t[T.tr[T.td["serverid"], T.td["sent"], T.td["received"],
 390                T.td["shnums"], T.td["RTT"]]]
 391         dyhb_events = []
 392         for serverid,requests in self.download_status.dyhb_requests.iteritems():
 393             for req in requests:
 394                 dyhb_events.append( (serverid,) + req )
 395         dyhb_events.sort(key=lambda req: req[1])
 396         for d_ev in dyhb_events:
 397             (serverid, sent, shnums, received) = d_ev
 398             serverid_s = idlib.shortnodeid_b2a(serverid)
 399             rtt = None
 400             if received is not None:
 401                 rtt = received - sent
 402             if not shnums:
 403                 shnums = []
 404             t[T.tr(style="background: %s" % self.color(serverid))[
 405                 [T.td[serverid_s], T.td[srt(sent)], T.td[srt(received)],
 406                  T.td[",".join([str(shnum) for shnum in shnums])],
 407                  T.td[self.render_time(None, rtt)],
 408                  ]]]
 409         l["DYHB Requests:", t]
 410
 411         t = T.table(class_="status-download-events")
 412         t[T.tr[T.td["range"], T.td["start"], T.td["finish"], T.td["got"],
 413                T.td["time"], T.td["decrypttime"], T.td["pausedtime"],
 414                T.td["speed"]]]
 415         for r_ev in self.download_status.read_events:
 416             (start, length, requesttime, finishtime, bytes, decrypt, paused) = r_ev
 417             if finishtime is not None:
 418                 rtt = finishtime - requesttime - paused
 419                 speed = self.render_rate(None, compute_rate(bytes, rtt))
 420                 rtt = self.render_time(None, rtt)
 421                 decrypt = self.render_time(None, decrypt)
 422                 paused = self.render_time(None, paused)
 423             else:
 424                 speed, rtt, decrypt, paused = "","","",""
 425             t[T.tr[T.td["[%d:+%d]" % (start, length)],
 426                    T.td[srt(requesttime)], T.td[srt(finishtime)],
 427                    T.td[bytes], T.td[rtt], T.td[decrypt], T.td[paused],
 428                    T.td[speed],
 429                    ]]
 430         l["Read Events:", t]
 431
 432         t = T.table(class_="status-download-events")
 433         t[T.tr[T.td["type"], T.td["segnum"], T.td["when"], T.td["range"],
 434                T.td["decodetime"], T.td["segtime"], T.td["speed"]]]
 435         reqtime = (None, None)
 436         for s_ev in self.download_status.segment_events:
 437             (etype, segnum, when, segstart, seglen, decodetime) = s_ev
 438             if etype == "request":
 439                 t[T.tr[T.td["request"], T.td["seg%d" % segnum],
 440                        T.td[srt(when)]]]
 441                 reqtime = (segnum, when)
 442             elif etype == "delivery":
 443                 if reqtime[0] == segnum:
 444                     segtime = when - reqtime[1]
 445                     speed = self.render_rate(None, compute_rate(seglen, segtime))
 446                     segtime = self.render_time(None, segtime)
 447                 else:
 448                     segtime, speed = "", ""
 449                 t[T.tr[T.td["delivery"], T.td["seg%d" % segnum],
 450                        T.td[srt(when)],
 451                        T.td["[%d:+%d]" % (segstart, seglen)],
 452                        T.td[self.render_time(None,decodetime)],
 453                        T.td[segtime], T.td[speed]]]
 454             elif etype == "error":
 455                 t[T.tr[T.td["error"], T.td["seg%d" % segnum]]]
 456         l["Segment Events:", t]
 457
 458         t = T.table(border="1")
 459         t[T.tr[T.td["serverid"], T.td["shnum"], T.td["range"],
 460                T.td["txtime"], T.td["rxtime"], T.td["received"], T.td["RTT"]]]
 461         reqtime = (None, None)
 462         request_events = []
 463         for serverid,requests in self.download_status.requests.iteritems():
 464             for req in requests:
 465                 request_events.append( (serverid,) + req )
 466         request_events.sort(key=lambda req: (req[4],req[1]))
 467         for r_ev in request_events:
 468             (peerid, shnum, start, length, sent, receivedlen, received) = r_ev
 469             rtt = None
 470             if received is not None:
 471                 rtt = received - sent
 472             peerid_s = idlib.shortnodeid_b2a(peerid)
 473             t[T.tr(style="background: %s" % self.color(peerid))[
 474                 T.td[peerid_s], T.td[shnum],
 475                 T.td["[%d:+%d]" % (start, length)],
 476                 T.td[srt(sent)], T.td[srt(received)], T.td[receivedlen],
 477                 T.td[self.render_time(None, rtt)],
 478                 ]]
 479         l["Requests:", t]
 480
 481         return l
 482
 483     def color(self, peerid):
 484         def m(c):
 485             return min(ord(c) / 2 + 0x80, 0xff)
 486         return "#%02x%02x%02x" % (m(peerid[0]), m(peerid[1]), m(peerid[2]))
 487
 488     def render_results(self, ctx, data):
 489         d = self.download_results()
 490         def _got_results(results):
 491             if results:
 492                 return ctx.tag
 493             return ""
 494         d.addCallback(_got_results)
 495         return d
 496
 497     def render_started(self, ctx, data):
 498         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 499         started_s = time.strftime(TIME_FORMAT,
 500                                   time.localtime(data.get_started()))
 501         return started_s + " (%s)" % data.get_started()
 502
 503     def render_si(self, ctx, data):
 504         si_s = base32.b2a_or_none(data.get_storage_index())
 505         if si_s is None:
 506             si_s = "(None)"
 507         return si_s
 508
 509     def render_helper(self, ctx, data):
 510         return {True: "Yes",
 511                 False: "No"}[data.using_helper()]
 512
 513     def render_total_size(self, ctx, data):
 514         size = data.get_size()
 515         if size is None:
 516             return "(unknown)"
 517         return size
 518
 519     def render_progress(self, ctx, data):
 520         progress = data.get_progress()
 521         # TODO: make an ascii-art bar
 522         return "%.1f%%" % (100.0 * progress)
 523
 524     def render_status(self, ctx, data):
 525         return data.get_status()
 526
 527 class RetrieveStatusPage(rend.Page, RateAndTimeMixin):
 528     docFactory = getxmlfile("retrieve-status.xhtml")
 529
 530     def __init__(self, data):
 531         rend.Page.__init__(self, data)
 532         self.retrieve_status = data
 533
 534     def render_started(self, ctx, data):
 535         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 536         started_s = time.strftime(TIME_FORMAT,
 537                                   time.localtime(data.get_started()))
 538         return started_s
 539
 540     def render_si(self, ctx, data):
 541         si_s = base32.b2a_or_none(data.get_storage_index())
 542         if si_s is None:
 543             si_s = "(None)"
 544         return si_s
 545
 546     def render_helper(self, ctx, data):
 547         return {True: "Yes",
 548                 False: "No"}[data.using_helper()]
 549
 550     def render_current_size(self, ctx, data):
 551         size = data.get_size()
 552         if size is None:
 553             size = "(unknown)"
 554         return size
 555
 556     def render_progress(self, ctx, data):
 557         progress = data.get_progress()
 558         # TODO: make an ascii-art bar
 559         return "%.1f%%" % (100.0 * progress)
 560
 561     def render_status(self, ctx, data):
 562         return data.get_status()
 563
 564     def render_encoding(self, ctx, data):
 565         k, n = data.get_encoding()
 566         return ctx.tag["Encoding: %s of %s" % (k, n)]
 567
 568     def render_problems(self, ctx, data):
 569         problems = data.problems
 570         if not problems:
 571             return ""
 572         l = T.ul()
 573         for peerid in sorted(problems.keys()):
 574             peerid_s = idlib.shortnodeid_b2a(peerid)
 575             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 576         return ctx.tag["Server Problems:", l]
 577
 578     def _get_rate(self, data, name):
 579         file_size = self.retrieve_status.get_size()
 580         time = self.retrieve_status.timings.get(name)
 581         return compute_rate(file_size, time)
 582
 583     def data_time_total(self, ctx, data):
 584         return self.retrieve_status.timings.get("total")
 585     def data_rate_total(self, ctx, data):
 586         return self._get_rate(data, "total")
 587
 588     def data_time_fetch(self, ctx, data):
 589         return self.retrieve_status.timings.get("fetch")
 590     def data_rate_fetch(self, ctx, data):
 591         return self._get_rate(data, "fetch")
 592
 593     def data_time_decode(self, ctx, data):
 594         return self.retrieve_status.timings.get("decode")
 595     def data_rate_decode(self, ctx, data):
 596         return self._get_rate(data, "decode")
 597
 598     def data_time_decrypt(self, ctx, data):
 599         return self.retrieve_status.timings.get("decrypt")
 600     def data_rate_decrypt(self, ctx, data):
 601         return self._get_rate(data, "decrypt")
 602
 603     def render_server_timings(self, ctx, data):
 604         per_server = self.retrieve_status.timings.get("fetch_per_server")
 605         if not per_server:
 606             return ""
 607         l = T.ul()
 608         for peerid in sorted(per_server.keys()):
 609             peerid_s = idlib.shortnodeid_b2a(peerid)
 610             times_s = ", ".join([self.render_time(None, t)
 611                                  for t in per_server[peerid]])
 612             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 613         return T.li["Per-Server Fetch Response Times: ", l]
 614
 615
 616 class PublishStatusPage(rend.Page, RateAndTimeMixin):
 617     docFactory = getxmlfile("publish-status.xhtml")
 618
 619     def __init__(self, data):
 620         rend.Page.__init__(self, data)
 621         self.publish_status = data
 622
 623     def render_started(self, ctx, data):
 624         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 625         started_s = time.strftime(TIME_FORMAT,
 626                                   time.localtime(data.get_started()))
 627         return started_s
 628
 629     def render_si(self, ctx, data):
 630         si_s = base32.b2a_or_none(data.get_storage_index())
 631         if si_s is None:
 632             si_s = "(None)"
 633         return si_s
 634
 635     def render_helper(self, ctx, data):
 636         return {True: "Yes",
 637                 False: "No"}[data.using_helper()]
 638
 639     def render_current_size(self, ctx, data):
 640         size = data.get_size()
 641         if size is None:
 642             size = "(unknown)"
 643         return size
 644
 645     def render_progress(self, ctx, data):
 646         progress = data.get_progress()
 647         # TODO: make an ascii-art bar
 648         return "%.1f%%" % (100.0 * progress)
 649
 650     def render_status(self, ctx, data):
 651         return data.get_status()
 652
 653     def render_encoding(self, ctx, data):
 654         k, n = data.get_encoding()
 655         return ctx.tag["Encoding: %s of %s" % (k, n)]
 656
 657     def render_sharemap(self, ctx, data):
 658         servermap = data.get_servermap()
 659         if servermap is None:
 660             return ctx.tag["None"]
 661         l = T.ul()
 662         sharemap = servermap.make_sharemap()
 663         for shnum in sorted(sharemap.keys()):
 664             l[T.li["%d -> Placed on " % shnum,
 665                    ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
 666                               for peerid in sharemap[shnum]])]]
 667         return ctx.tag["Sharemap:", l]
 668
 669     def render_problems(self, ctx, data):
 670         problems = data.problems
 671         if not problems:
 672             return ""
 673         l = T.ul()
 674         for peerid in sorted(problems.keys()):
 675             peerid_s = idlib.shortnodeid_b2a(peerid)
 676             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 677         return ctx.tag["Server Problems:", l]
 678
 679     def _get_rate(self, data, name):
 680         file_size = self.publish_status.get_size()
 681         time = self.publish_status.timings.get(name)
 682         return compute_rate(file_size, time)
 683
 684     def data_time_total(self, ctx, data):
 685         return self.publish_status.timings.get("total")
 686     def data_rate_total(self, ctx, data):
 687         return self._get_rate(data, "total")
 688
 689     def data_time_setup(self, ctx, data):
 690         return self.publish_status.timings.get("setup")
 691
 692     def data_time_encrypt(self, ctx, data):
 693         return self.publish_status.timings.get("encrypt")
 694     def data_rate_encrypt(self, ctx, data):
 695         return self._get_rate(data, "encrypt")
 696
 697     def data_time_encode(self, ctx, data):
 698         return self.publish_status.timings.get("encode")
 699     def data_rate_encode(self, ctx, data):
 700         return self._get_rate(data, "encode")
 701
 702     def data_time_pack(self, ctx, data):
 703         return self.publish_status.timings.get("pack")
 704     def data_rate_pack(self, ctx, data):
 705         return self._get_rate(data, "pack")
 706     def data_time_sign(self, ctx, data):
 707         return self.publish_status.timings.get("sign")
 708
 709     def data_time_push(self, ctx, data):
 710         return self.publish_status.timings.get("push")
 711     def data_rate_push(self, ctx, data):
 712         return self._get_rate(data, "push")
 713
 714     def render_server_timings(self, ctx, data):
 715         per_server = self.publish_status.timings.get("send_per_server")
 716         if not per_server:
 717             return ""
 718         l = T.ul()
 719         for peerid in sorted(per_server.keys()):
 720             peerid_s = idlib.shortnodeid_b2a(peerid)
 721             times_s = ", ".join([self.render_time(None, t)
 722                                  for t in per_server[peerid]])
 723             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 724         return T.li["Per-Server Response Times: ", l]
 725
 726 class MapupdateStatusPage(rend.Page, RateAndTimeMixin):
 727     docFactory = getxmlfile("map-update-status.xhtml")
 728
 729     def __init__(self, data):
 730         rend.Page.__init__(self, data)
 731         self.update_status = data
 732
 733     def render_started(self, ctx, data):
 734         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 735         started_s = time.strftime(TIME_FORMAT,
 736                                   time.localtime(data.get_started()))
 737         return started_s
 738
 739     def render_finished(self, ctx, data):
 740         when = data.get_finished()
 741         if not when:
 742             return "not yet"
 743         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 744         started_s = time.strftime(TIME_FORMAT,
 745                                   time.localtime(data.get_finished()))
 746         return started_s
 747
 748     def render_si(self, ctx, data):
 749         si_s = base32.b2a_or_none(data.get_storage_index())
 750         if si_s is None:
 751             si_s = "(None)"
 752         return si_s
 753
 754     def render_helper(self, ctx, data):
 755         return {True: "Yes",
 756                 False: "No"}[data.using_helper()]
 757
 758     def render_progress(self, ctx, data):
 759         progress = data.get_progress()
 760         # TODO: make an ascii-art bar
 761         return "%.1f%%" % (100.0 * progress)
 762
 763     def render_status(self, ctx, data):
 764         return data.get_status()
 765
 766     def render_problems(self, ctx, data):
 767         problems = data.problems
 768         if not problems:
 769             return ""
 770         l = T.ul()
 771         for peerid in sorted(problems.keys()):
 772             peerid_s = idlib.shortnodeid_b2a(peerid)
 773             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
 774         return ctx.tag["Server Problems:", l]
 775
 776     def render_privkey_from(self, ctx, data):
 777         peerid = data.get_privkey_from()
 778         if peerid:
 779             return ctx.tag["Got privkey from: [%s]"
 780                            % idlib.shortnodeid_b2a(peerid)]
 781         else:
 782             return ""
 783
 784     def data_time_total(self, ctx, data):
 785         return self.update_status.timings.get("total")
 786
 787     def data_time_initial_queries(self, ctx, data):
 788         return self.update_status.timings.get("initial_queries")
 789
 790     def data_time_cumulative_verify(self, ctx, data):
 791         return self.update_status.timings.get("cumulative_verify")
 792
 793     def render_server_timings(self, ctx, data):
 794         per_server = self.update_status.timings.get("per_server")
 795         if not per_server:
 796             return ""
 797         l = T.ul()
 798         for peerid in sorted(per_server.keys()):
 799             peerid_s = idlib.shortnodeid_b2a(peerid)
 800             times = []
 801             for op,started,t in per_server[peerid]:
 802                 #times.append("%s/%.4fs/%s/%s" % (op,
 803                 #                              started,
 804                 #                              self.render_time(None, started - self.update_status.get_started()),
 805                 #                              self.render_time(None,t)))
 806                 if op == "query":
 807                     times.append( self.render_time(None, t) )
 808                 elif op == "late":
 809                     times.append( "late(" + self.render_time(None, t) + ")" )
 810                 else:
 811                     times.append( "privkey(" + self.render_time(None, t) + ")" )
 812             times_s = ", ".join(times)
 813             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
 814         return T.li["Per-Server Response Times: ", l]
 815
 816     def render_timing_chart(self, ctx, data):
 817         imageurl = self._timing_chart()
 818         return ctx.tag[imageurl]
 819
 820     def _timing_chart(self):
 821         started = self.update_status.get_started()
 822         total = self.update_status.timings.get("total")
 823         per_server = self.update_status.timings.get("per_server")
 824         base = "http://chart.apis.google.com/chart?"
 825         pieces = ["cht=bhs", "chs=400x300"]
 826         pieces.append("chco=ffffff,4d89f9,c6d9fd") # colors
 827         data0 = []
 828         data1 = []
 829         data2 = []
 830         peerids_s = []
 831         top_abs = started
 832         # we sort the queries by the time at which we sent the first request
 833         sorttable = [ (times[0][1], peerid)
 834                       for peerid, times in per_server.items() ]
 835         sorttable.sort()
 836         peerids = [t[1] for t in sorttable]
 837
 838         for peerid in peerids:
 839             times = per_server[peerid]
 840             peerid_s = idlib.shortnodeid_b2a(peerid)
 841             peerids_s.append(peerid_s)
 842             # for servermap updates, there are either one or two queries per
 843             # peer. The second (if present) is to get the privkey.
 844             op,q_started,q_elapsed = times[0]
 845             data0.append("%.3f" % (q_started-started))
 846             data1.append("%.3f" % q_elapsed)
 847             top_abs = max(top_abs, q_started+q_elapsed)
 848             if len(times) > 1:
 849                 op,p_started,p_elapsed = times[0]
 850                 data2.append("%.3f" % p_elapsed)
 851                 top_abs = max(top_abs, p_started+p_elapsed)
 852             else:
 853                 data2.append("0.0")
 854         finished = self.update_status.get_finished()
 855         if finished:
 856             top_abs = max(top_abs, finished)
 857         top_rel = top_abs - started
 858         chd = "chd=t:" + "|".join([",".join(data0),
 859                                    ",".join(data1),
 860                                    ",".join(data2)])
 861         pieces.append(chd)
 862         chds = "chds=0,%0.3f" % top_rel
 863         pieces.append(chds)
 864         pieces.append("chxt=x,y")
 865         pieces.append("chxr=0,0.0,%0.3f" % top_rel)
 866         pieces.append("chxl=1:|" + "|".join(reversed(peerids_s)))
 867         # use up to 10 grid lines, at decimal multiples.
 868         # mathutil.next_power_of_k doesn't handle numbers smaller than one,
 869         # unfortunately.
 870         #pieces.append("chg="
 871
 872         if total is not None:
 873             finished_f = 1.0 * total / top_rel
 874             pieces.append("chm=r,FF0000,0,%0.3f,%0.3f" % (finished_f,
 875                                                           finished_f+0.01))
 876         url = base + "&".join(pieces)
 877         return T.img(src=url, align="right", float="right")
 878
 879
 880 class Status(rend.Page):
 881     docFactory = getxmlfile("status.xhtml")
 882     addSlash = True
 883
 884     def __init__(self, history):
 885         rend.Page.__init__(self, history)
 886         self.history = history
 887
 888     def renderHTTP(self, ctx):
 889         req = inevow.IRequest(ctx)
 890         t = get_arg(req, "t")
 891         if t == "json":
 892             return self.json(req)
 893         return rend.Page.renderHTTP(self, ctx)
 894
 895     def json(self, req):
 896         req.setHeader("content-type", "text/plain")
 897         data = {}
 898         data["active"] = active = []
 899         for s in self._get_active_operations():
 900             si_s = base32.b2a_or_none(s.get_storage_index())
 901             size = s.get_size()
 902             status = s.get_status()
 903             if IUploadStatus.providedBy(s):
 904                 h,c,e = s.get_progress()
 905                 active.append({"type": "upload",
 906                                "storage-index-string": si_s,
 907                                "total-size": size,
 908                                "status": status,
 909                                "progress-hash": h,
 910                                "progress-ciphertext": c,
 911                                "progress-encode-push": e,
 912                                })
 913             elif IDownloadStatus.providedBy(s):
 914                 active.append({"type": "download",
 915                                "storage-index-string": si_s,
 916                                "total-size": size,
 917                                "status": status,
 918                                "progress": s.get_progress(),
 919                                })
 920
 921         return simplejson.dumps(data, indent=1) + "\n"
 922
 923     def _get_all_statuses(self):
 924         h = self.history
 925         return itertools.chain(h.list_all_upload_statuses(),
 926                                h.list_all_download_statuses(),
 927                                h.list_all_mapupdate_statuses(),
 928                                h.list_all_publish_statuses(),
 929                                h.list_all_retrieve_statuses(),
 930                                h.list_all_helper_statuses(),
 931                                )
 932
 933     def data_active_operations(self, ctx, data):
 934         return self._get_active_operations()
 935
 936     def _get_active_operations(self):
 937         active = [s
 938                   for s in self._get_all_statuses()
 939                   if s.get_active()]
 940         return active
 941
 942     def data_recent_operations(self, ctx, data):
 943         return self._get_recent_operations()
 944
 945     def _get_recent_operations(self):
 946         recent = [s
 947                   for s in self._get_all_statuses()
 948                   if not s.get_active()]
 949         recent.sort(lambda a,b: cmp(a.get_started(), b.get_started()))
 950         recent.reverse()
 951         return recent
 952
 953     def render_row(self, ctx, data):
 954         s = data
 955
 956         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
 957         started_s = time.strftime(TIME_FORMAT,
 958                                   time.localtime(s.get_started()))
 959         ctx.fillSlots("started", started_s)
 960
 961         si_s = base32.b2a_or_none(s.get_storage_index())
 962         if si_s is None:
 963             si_s = "(None)"
 964         ctx.fillSlots("si", si_s)
 965         ctx.fillSlots("helper", {True: "Yes",
 966                                  False: "No"}[s.using_helper()])
 967
 968         size = s.get_size()
 969         if size is None:
 970             size = "(unknown)"
 971         elif isinstance(size, (int, long, float)):
 972             size = abbreviate_size(size)
 973         ctx.fillSlots("total_size", size)
 974
 975         progress = data.get_progress()
 976         if IUploadStatus.providedBy(data):
 977             link = "up-%d" % data.get_counter()
 978             ctx.fillSlots("type", "upload")
 979             # TODO: make an ascii-art bar
 980             (chk, ciphertext, encandpush) = progress
 981             progress_s = ("hash: %.1f%%, ciphertext: %.1f%%, encode: %.1f%%" %
 982                           ( (100.0 * chk),
 983                             (100.0 * ciphertext),
 984                             (100.0 * encandpush) ))
 985             ctx.fillSlots("progress", progress_s)
 986         elif IDownloadStatus.providedBy(data):
 987             link = "down-%d" % data.get_counter()
 988             ctx.fillSlots("type", "download")
 989             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
 990         elif IPublishStatus.providedBy(data):
 991             link = "publish-%d" % data.get_counter()
 992             ctx.fillSlots("type", "publish")
 993             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
 994         elif IRetrieveStatus.providedBy(data):
 995             ctx.fillSlots("type", "retrieve")
 996             link = "retrieve-%d" % data.get_counter()
 997             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
 998         else:
 999             assert IServermapUpdaterStatus.providedBy(data)
1000             ctx.fillSlots("type", "mapupdate %s" % data.get_mode())
1001             link = "mapupdate-%d" % data.get_counter()
1002             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1003         ctx.fillSlots("status", T.a(href=link)[s.get_status()])
1004         return ctx.tag
1005
1006     def childFactory(self, ctx, name):
1007         h = self.history
1008         stype,count_s = name.split("-")
1009         count = int(count_s)
1010         if stype == "up":
1011             for s in itertools.chain(h.list_all_upload_statuses(),
1012                                      h.list_all_helper_statuses()):
1013                 # immutable-upload helpers use the same status object as a
1014                 # regular immutable-upload
1015                 if s.get_counter() == count:
1016                     return UploadStatusPage(s)
1017         if stype == "down":
1018             for s in h.list_all_download_statuses():
1019                 if s.get_counter() == count:
1020                     return DownloadStatusPage(s)
1021         if stype == "mapupdate":
1022             for s in h.list_all_mapupdate_statuses():
1023                 if s.get_counter() == count:
1024                     return MapupdateStatusPage(s)
1025         if stype == "publish":
1026             for s in h.list_all_publish_statuses():
1027                 if s.get_counter() == count:
1028                     return PublishStatusPage(s)
1029         if stype == "retrieve":
1030             for s in h.list_all_retrieve_statuses():
1031                 if s.get_counter() == count:
1032                     return RetrieveStatusPage(s)
1033
1034
1035 class HelperStatus(rend.Page):
1036     docFactory = getxmlfile("helper.xhtml")
1037
1038     def __init__(self, helper):
1039         rend.Page.__init__(self, helper)
1040         self.helper = helper
1041
1042     def renderHTTP(self, ctx):
1043         req = inevow.IRequest(ctx)
1044         t = get_arg(req, "t")
1045         if t == "json":
1046             return self.render_JSON(req)
1047         return rend.Page.renderHTTP(self, ctx)
1048
1049     def data_helper_stats(self, ctx, data):
1050         return self.helper.get_stats()
1051
1052     def render_JSON(self, req):
1053         req.setHeader("content-type", "text/plain")
1054         if self.helper:
1055             stats = self.helper.get_stats()
1056             return simplejson.dumps(stats, indent=1) + "\n"
1057         return simplejson.dumps({}) + "\n"
1058
1059     def render_active_uploads(self, ctx, data):
1060         return data["chk_upload_helper.active_uploads"]
1061
1062     def render_incoming(self, ctx, data):
1063         return "%d bytes in %d files" % (data["chk_upload_helper.incoming_size"],
1064                                          data["chk_upload_helper.incoming_count"])
1065
1066     def render_encoding(self, ctx, data):
1067         return "%d bytes in %d files" % (data["chk_upload_helper.encoding_size"],
1068                                          data["chk_upload_helper.encoding_count"])
1069
1070     def render_upload_requests(self, ctx, data):
1071         return str(data["chk_upload_helper.upload_requests"])
1072
1073     def render_upload_already_present(self, ctx, data):
1074         return str(data["chk_upload_helper.upload_already_present"])
1075
1076     def render_upload_need_upload(self, ctx, data):
1077         return str(data["chk_upload_helper.upload_need_upload"])
1078
1079     def render_upload_bytes_fetched(self, ctx, data):
1080         return str(data["chk_upload_helper.fetched_bytes"])
1081
1082     def render_upload_bytes_encoded(self, ctx, data):
1083         return str(data["chk_upload_helper.encoded_bytes"])
1084
1085
1086 class Statistics(rend.Page):
1087     docFactory = getxmlfile("statistics.xhtml")
1088
1089     def __init__(self, provider):
1090         rend.Page.__init__(self, provider)
1091         self.provider = provider
1092
1093     def renderHTTP(self, ctx):
1094         req = inevow.IRequest(ctx)
1095         t = get_arg(req, "t")
1096         if t == "json":
1097             stats = self.provider.get_stats()
1098             req.setHeader("content-type", "text/plain")
1099             return simplejson.dumps(stats, indent=1) + "\n"
1100         return rend.Page.renderHTTP(self, ctx)
1101
1102     def data_get_stats(self, ctx, data):
1103         return self.provider.get_stats()
1104
1105     def render_load_average(self, ctx, data):
1106         return str(data["stats"].get("load_monitor.avg_load"))
1107
1108     def render_peak_load(self, ctx, data):
1109         return str(data["stats"].get("load_monitor.max_load"))
1110
1111     def render_uploads(self, ctx, data):
1112         files = data["counters"].get("uploader.files_uploaded", 0)
1113         bytes = data["counters"].get("uploader.bytes_uploaded", 0)
1114         return ("%s files / %s bytes (%s)" %
1115                 (files, bytes, abbreviate_size(bytes)))
1116
1117     def render_downloads(self, ctx, data):
1118         files = data["counters"].get("downloader.files_downloaded", 0)
1119         bytes = data["counters"].get("downloader.bytes_downloaded", 0)
1120         return ("%s files / %s bytes (%s)" %
1121                 (files, bytes, abbreviate_size(bytes)))
1122
1123     def render_publishes(self, ctx, data):
1124         files = data["counters"].get("mutable.files_published", 0)
1125         bytes = data["counters"].get("mutable.bytes_published", 0)
1126         return "%s files / %s bytes (%s)" % (files, bytes,
1127                                              abbreviate_size(bytes))
1128
1129     def render_retrieves(self, ctx, data):
1130         files = data["counters"].get("mutable.files_retrieved", 0)
1131         bytes = data["counters"].get("mutable.bytes_retrieved", 0)
1132         return "%s files / %s bytes (%s)" % (files, bytes,
1133                                              abbreviate_size(bytes))
1134
1135     def render_raw(self, ctx, data):
1136         raw = pprint.pformat(data)
1137         return ctx.tag[raw]