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