]> git.rkrishnan.org Git - tahoe-lafs/tahoe-lafs.git/blob - src/allmydata/web/status.py
web download-status: tolerate DYHBs that haven't retired yet. Fixes #1160.
[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
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             if time is None:
114                 return None
115             try:
116                 return 1.0 * file_size / time
117             except ZeroDivisionError:
118                 return None
119         d.addCallback(_convert)
120         return d
121
122     def data_rate_total(self, ctx, data):
123         return self._get_rate("total")
124
125     def data_rate_storage_index(self, ctx, data):
126         return self._get_rate("storage_index")
127
128     def data_rate_encode(self, ctx, data):
129         return self._get_rate("cumulative_encoding")
130
131     def data_rate_push(self, ctx, data):
132         return self._get_rate("cumulative_sending")
133
134     def data_rate_encode_and_push(self, ctx, data):
135         d = self.upload_results()
136         def _convert(r):
137             file_size = r.file_size
138             time1 = r.timings.get("cumulative_encoding")
139             time2 = r.timings.get("cumulative_sending")
140             if (file_size is None or time1 is None or time2 is None):
141                 return None
142             try:
143                 return 1.0 * file_size / (time1+time2)
144             except ZeroDivisionError:
145                 return None
146         d.addCallback(_convert)
147         return d
148
149     def data_rate_ciphertext_fetch(self, ctx, data):
150         d = self.upload_results()
151         def _convert(r):
152             fetch_size = r.ciphertext_fetched
153             time = r.timings.get("cumulative_fetch")
154             if (fetch_size is None or time is None):
155                 return None
156             try:
157                 return 1.0 * fetch_size / time
158             except ZeroDivisionError:
159                 return None
160         d.addCallback(_convert)
161         return d
162
163 class UploadStatusPage(UploadResultsRendererMixin, rend.Page):
164     docFactory = getxmlfile("upload-status.xhtml")
165
166     def __init__(self, data):
167         rend.Page.__init__(self, data)
168         self.upload_status = data
169
170     def upload_results(self):
171         return defer.maybeDeferred(self.upload_status.get_results)
172
173     def render_results(self, ctx, data):
174         d = self.upload_results()
175         def _got_results(results):
176             if results:
177                 return ctx.tag
178             return ""
179         d.addCallback(_got_results)
180         return d
181
182     def render_started(self, ctx, data):
183         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
184         started_s = time.strftime(TIME_FORMAT,
185                                   time.localtime(data.get_started()))
186         return started_s
187
188     def render_si(self, ctx, data):
189         si_s = base32.b2a_or_none(data.get_storage_index())
190         if si_s is None:
191             si_s = "(None)"
192         return si_s
193
194     def render_helper(self, ctx, data):
195         return {True: "Yes",
196                 False: "No"}[data.using_helper()]
197
198     def render_total_size(self, ctx, data):
199         size = data.get_size()
200         if size is None:
201             return "(unknown)"
202         return size
203
204     def render_progress_hash(self, ctx, data):
205         progress = data.get_progress()[0]
206         # TODO: make an ascii-art bar
207         return "%.1f%%" % (100.0 * progress)
208
209     def render_progress_ciphertext(self, ctx, data):
210         progress = data.get_progress()[1]
211         # TODO: make an ascii-art bar
212         return "%.1f%%" % (100.0 * progress)
213
214     def render_progress_encode_push(self, ctx, data):
215         progress = data.get_progress()[2]
216         # TODO: make an ascii-art bar
217         return "%.1f%%" % (100.0 * progress)
218
219     def render_status(self, ctx, data):
220         return data.get_status()
221
222 class DownloadResultsRendererMixin(RateAndTimeMixin):
223     # this requires a method named 'download_results'
224
225     def render_servermap(self, ctx, data):
226         d = self.download_results()
227         d.addCallback(lambda res: res.servermap)
228         def _render(servermap):
229             if servermap is None:
230                 return "None"
231             l = T.ul()
232             for peerid in sorted(servermap.keys()):
233                 peerid_s = idlib.shortnodeid_b2a(peerid)
234                 shares_s = ",".join(["#%d" % shnum
235                                      for shnum in servermap[peerid]])
236                 l[T.li["[%s] has share%s: %s" % (peerid_s,
237                                                  plural(servermap[peerid]),
238                                                  shares_s)]]
239             return l
240         d.addCallback(_render)
241         return d
242
243     def render_servers_used(self, ctx, data):
244         d = self.download_results()
245         d.addCallback(lambda res: res.servers_used)
246         def _got(servers_used):
247             if not servers_used:
248                 return ""
249             peerids_s = ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
250                                    for peerid in servers_used])
251             return T.li["Servers Used: ", peerids_s]
252         d.addCallback(_got)
253         return d
254
255     def render_problems(self, ctx, data):
256         d = self.download_results()
257         d.addCallback(lambda res: res.server_problems)
258         def _got(server_problems):
259             if not server_problems:
260                 return ""
261             l = T.ul()
262             for peerid in sorted(server_problems.keys()):
263                 peerid_s = idlib.shortnodeid_b2a(peerid)
264                 l[T.li["[%s]: %s" % (peerid_s, server_problems[peerid])]]
265             return T.li["Server Problems:", l]
266         d.addCallback(_got)
267         return d
268
269     def data_file_size(self, ctx, data):
270         d = self.download_results()
271         d.addCallback(lambda res: res.file_size)
272         return d
273
274     def _get_time(self, name):
275         d = self.download_results()
276         d.addCallback(lambda res: res.timings.get(name))
277         return d
278
279     def data_time_total(self, ctx, data):
280         return self._get_time("total")
281
282     def data_time_peer_selection(self, ctx, data):
283         return self._get_time("peer_selection")
284
285     def data_time_uri_extension(self, ctx, data):
286         return self._get_time("uri_extension")
287
288     def data_time_hashtrees(self, ctx, data):
289         return self._get_time("hashtrees")
290
291     def data_time_segments(self, ctx, data):
292         return self._get_time("segments")
293
294     def data_time_cumulative_fetch(self, ctx, data):
295         return self._get_time("cumulative_fetch")
296
297     def data_time_cumulative_decode(self, ctx, data):
298         return self._get_time("cumulative_decode")
299
300     def data_time_cumulative_decrypt(self, ctx, data):
301         return self._get_time("cumulative_decrypt")
302
303     def data_time_paused(self, ctx, data):
304         return self._get_time("paused")
305
306     def _get_rate(self, name):
307         d = self.download_results()
308         def _convert(r):
309             file_size = r.file_size
310             time = r.timings.get(name)
311             if time is None:
312                 return None
313             try:
314                 return 1.0 * file_size / time
315             except ZeroDivisionError:
316                 return None
317         d.addCallback(_convert)
318         return d
319
320     def data_rate_total(self, ctx, data):
321         return self._get_rate("total")
322
323     def data_rate_segments(self, ctx, data):
324         return self._get_rate("segments")
325
326     def data_rate_fetch(self, ctx, data):
327         return self._get_rate("cumulative_fetch")
328
329     def data_rate_decode(self, ctx, data):
330         return self._get_rate("cumulative_decode")
331
332     def data_rate_decrypt(self, ctx, data):
333         return self._get_rate("cumulative_decrypt")
334
335     def render_server_timings(self, ctx, data):
336         d = self.download_results()
337         d.addCallback(lambda res: res.timings.get("fetch_per_server"))
338         def _render(per_server):
339             if per_server is None:
340                 return ""
341             l = T.ul()
342             for peerid in sorted(per_server.keys()):
343                 peerid_s = idlib.shortnodeid_b2a(peerid)
344                 times_s = ", ".join([self.render_time(None, t)
345                                      for t in per_server[peerid]])
346                 l[T.li["[%s]: %s" % (peerid_s, times_s)]]
347             return T.li["Per-Server Segment Fetch Response Times: ", l]
348         d.addCallback(_render)
349         return d
350
351 class DownloadStatusPage(DownloadResultsRendererMixin, rend.Page):
352     docFactory = getxmlfile("download-status.xhtml")
353
354     def __init__(self, data):
355         rend.Page.__init__(self, data)
356         self.download_status = data
357
358     def download_results(self):
359         return defer.maybeDeferred(self.download_status.get_results)
360
361     def relative_time(self, t):
362         if t is None:
363             return t
364         if self.download_status.started is not None:
365             return t - self.download_status.started
366         return t
367     def short_relative_time(self, t):
368         t = self.relative_time(t)
369         if t is None:
370             return ""
371         return "+%.6fs" % t
372
373     def renderHTTP(self, ctx):
374         req = inevow.IRequest(ctx)
375         t = get_arg(req, "t")
376         if t == "json":
377             return self.json(req)
378         return rend.Page.renderHTTP(self, ctx)
379
380     def json(self, req):
381         req.setHeader("content-type", "text/plain")
382         data = {}
383         dyhb_events = []
384         for serverid,requests in self.download_status.dyhb_requests.iteritems():
385             for req in requests:
386                 dyhb_events.append( (base32.b2a(serverid),) + req )
387         dyhb_events.sort(key=lambda req: req[1])
388         data["dyhb"] = dyhb_events
389         request_events = []
390         for serverid,requests in self.download_status.requests.iteritems():
391             for req in requests:
392                 request_events.append( (base32.b2a(serverid),) + req )
393         request_events.sort(key=lambda req: (req[4],req[1]))
394         data["requests"] = request_events
395         data["segment"] = self.download_status.segment_events
396         data["read"] = self.download_status.read_events
397         return simplejson.dumps(data, indent=1) + "\n"
398
399     def render_events(self, ctx, data):
400         if not self.download_status.storage_index:
401             return
402         srt = self.short_relative_time
403         l = T.ul()
404
405         t = T.table(class_="status-download-events")
406         t[T.tr[T.td["serverid"], T.td["sent"], T.td["received"],
407                T.td["shnums"], T.td["RTT"]]]
408         dyhb_events = []
409         for serverid,requests in self.download_status.dyhb_requests.iteritems():
410             for req in requests:
411                 dyhb_events.append( (serverid,) + req )
412         dyhb_events.sort(key=lambda req: req[1])
413         for d_ev in dyhb_events:
414             (serverid, sent, shnums, received) = d_ev
415             serverid_s = idlib.shortnodeid_b2a(serverid)
416             rtt = None
417             if received is not None:
418                 rtt = received - sent
419             if not shnums:
420                 shnums = []
421             t[T.tr(style="background: %s" % self.color(serverid))[
422                 [T.td[serverid_s], T.td[srt(sent)], T.td[srt(received)],
423                  T.td[",".join([str(shnum) for shnum in shnums])],
424                  T.td[self.render_time(None, rtt)],
425                  ]]]
426         l["DYHB Requests:", t]
427
428         t = T.table(class_="status-download-events")
429         t[T.tr[T.td["range"], T.td["start"], T.td["finish"], T.td["got"],
430                T.td["time"], T.td["decrypttime"], T.td["pausedtime"],
431                T.td["speed"]]]
432         for r_ev in self.download_status.read_events:
433             (start, length, requesttime, finishtime, bytes, decrypt, paused) = r_ev
434             if finishtime is not None:
435                 rtt = finishtime - requesttime - paused
436                 speed = self.render_rate(None, 1.0 * bytes / rtt)
437                 rtt = self.render_time(None, rtt)
438                 decrypt = self.render_time(None, decrypt)
439                 paused = self.render_time(None, paused)
440             else:
441                 speed, rtt, decrypt, paused = "","","",""
442             t[T.tr[T.td["[%d:+%d]" % (start, length)],
443                    T.td[srt(requesttime)], T.td[srt(finishtime)],
444                    T.td[bytes], T.td[rtt], T.td[decrypt], T.td[paused],
445                    T.td[speed],
446                    ]]
447         l["Read Events:", t]
448
449         t = T.table(class_="status-download-events")
450         t[T.tr[T.td["type"], T.td["segnum"], T.td["when"], T.td["range"],
451                T.td["decodetime"], T.td["segtime"], T.td["speed"]]]
452         reqtime = (None, None)
453         for s_ev in self.download_status.segment_events:
454             (etype, segnum, when, segstart, seglen, decodetime) = s_ev
455             if etype == "request":
456                 t[T.tr[T.td["request"], T.td["seg%d" % segnum],
457                        T.td[srt(when)]]]
458                 reqtime = (segnum, when)
459             elif etype == "delivery":
460                 if reqtime[0] == segnum:
461                     segtime = when - reqtime[1]
462                     speed = self.render_rate(None, 1.0 * seglen / segtime)
463                     segtime = self.render_time(None, segtime)
464                 else:
465                     segtime, speed = "", ""
466                 t[T.tr[T.td["delivery"], T.td["seg%d" % segnum],
467                        T.td[srt(when)],
468                        T.td["[%d:+%d]" % (segstart, seglen)],
469                        T.td[self.render_time(None,decodetime)],
470                        T.td[segtime], T.td[speed]]]
471             elif etype == "error":
472                 t[T.tr[T.td["error"], T.td["seg%d" % segnum]]]
473         l["Segment Events:", t]
474
475         t = T.table(border="1")
476         t[T.tr[T.td["serverid"], T.td["shnum"], T.td["range"],
477                T.td["txtime"], T.td["rxtime"], T.td["received"], T.td["RTT"]]]
478         reqtime = (None, None)
479         request_events = []
480         for serverid,requests in self.download_status.requests.iteritems():
481             for req in requests:
482                 request_events.append( (serverid,) + req )
483         request_events.sort(key=lambda req: (req[4],req[1]))
484         for r_ev in request_events:
485             (peerid, shnum, start, length, sent, receivedlen, received) = r_ev
486             rtt = None
487             if received is not None:
488                 rtt = received - sent
489             peerid_s = idlib.shortnodeid_b2a(peerid)
490             t[T.tr(style="background: %s" % self.color(peerid))[
491                 T.td[peerid_s], T.td[shnum],
492                 T.td["[%d:+%d]" % (start, length)],
493                 T.td[srt(sent)], T.td[srt(received)], T.td[receivedlen],
494                 T.td[self.render_time(None, rtt)],
495                 ]]
496         l["Requests:", t]
497
498         return l
499
500     def color(self, peerid):
501         def m(c):
502             return min(ord(c) / 2 + 0x80, 0xff)
503         return "#%02x%02x%02x" % (m(peerid[0]), m(peerid[1]), m(peerid[2]))
504
505     def render_results(self, ctx, data):
506         d = self.download_results()
507         def _got_results(results):
508             if results:
509                 return ctx.tag
510             return ""
511         d.addCallback(_got_results)
512         return d
513
514     def render_started(self, ctx, data):
515         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
516         started_s = time.strftime(TIME_FORMAT,
517                                   time.localtime(data.get_started()))
518         return started_s + " (%s)" % data.get_started()
519
520     def render_si(self, ctx, data):
521         si_s = base32.b2a_or_none(data.get_storage_index())
522         if si_s is None:
523             si_s = "(None)"
524         return si_s
525
526     def render_helper(self, ctx, data):
527         return {True: "Yes",
528                 False: "No"}[data.using_helper()]
529
530     def render_total_size(self, ctx, data):
531         size = data.get_size()
532         if size is None:
533             return "(unknown)"
534         return size
535
536     def render_progress(self, ctx, data):
537         progress = data.get_progress()
538         # TODO: make an ascii-art bar
539         return "%.1f%%" % (100.0 * progress)
540
541     def render_status(self, ctx, data):
542         return data.get_status()
543
544 class RetrieveStatusPage(rend.Page, RateAndTimeMixin):
545     docFactory = getxmlfile("retrieve-status.xhtml")
546
547     def __init__(self, data):
548         rend.Page.__init__(self, data)
549         self.retrieve_status = data
550
551     def render_started(self, ctx, data):
552         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
553         started_s = time.strftime(TIME_FORMAT,
554                                   time.localtime(data.get_started()))
555         return started_s
556
557     def render_si(self, ctx, data):
558         si_s = base32.b2a_or_none(data.get_storage_index())
559         if si_s is None:
560             si_s = "(None)"
561         return si_s
562
563     def render_helper(self, ctx, data):
564         return {True: "Yes",
565                 False: "No"}[data.using_helper()]
566
567     def render_current_size(self, ctx, data):
568         size = data.get_size()
569         if size is None:
570             size = "(unknown)"
571         return size
572
573     def render_progress(self, ctx, data):
574         progress = data.get_progress()
575         # TODO: make an ascii-art bar
576         return "%.1f%%" % (100.0 * progress)
577
578     def render_status(self, ctx, data):
579         return data.get_status()
580
581     def render_encoding(self, ctx, data):
582         k, n = data.get_encoding()
583         return ctx.tag["Encoding: %s of %s" % (k, n)]
584
585     def render_problems(self, ctx, data):
586         problems = data.problems
587         if not problems:
588             return ""
589         l = T.ul()
590         for peerid in sorted(problems.keys()):
591             peerid_s = idlib.shortnodeid_b2a(peerid)
592             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
593         return ctx.tag["Server Problems:", l]
594
595     def _get_rate(self, data, name):
596         file_size = self.retrieve_status.get_size()
597         time = self.retrieve_status.timings.get(name)
598         if time is None or file_size is None:
599             return None
600         try:
601             return 1.0 * file_size / time
602         except ZeroDivisionError:
603             return None
604
605     def data_time_total(self, ctx, data):
606         return self.retrieve_status.timings.get("total")
607     def data_rate_total(self, ctx, data):
608         return self._get_rate(data, "total")
609
610     def data_time_fetch(self, ctx, data):
611         return self.retrieve_status.timings.get("fetch")
612     def data_rate_fetch(self, ctx, data):
613         return self._get_rate(data, "fetch")
614
615     def data_time_decode(self, ctx, data):
616         return self.retrieve_status.timings.get("decode")
617     def data_rate_decode(self, ctx, data):
618         return self._get_rate(data, "decode")
619
620     def data_time_decrypt(self, ctx, data):
621         return self.retrieve_status.timings.get("decrypt")
622     def data_rate_decrypt(self, ctx, data):
623         return self._get_rate(data, "decrypt")
624
625     def render_server_timings(self, ctx, data):
626         per_server = self.retrieve_status.timings.get("fetch_per_server")
627         if not per_server:
628             return ""
629         l = T.ul()
630         for peerid in sorted(per_server.keys()):
631             peerid_s = idlib.shortnodeid_b2a(peerid)
632             times_s = ", ".join([self.render_time(None, t)
633                                  for t in per_server[peerid]])
634             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
635         return T.li["Per-Server Fetch Response Times: ", l]
636
637
638 class PublishStatusPage(rend.Page, RateAndTimeMixin):
639     docFactory = getxmlfile("publish-status.xhtml")
640
641     def __init__(self, data):
642         rend.Page.__init__(self, data)
643         self.publish_status = data
644
645     def render_started(self, ctx, data):
646         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
647         started_s = time.strftime(TIME_FORMAT,
648                                   time.localtime(data.get_started()))
649         return started_s
650
651     def render_si(self, ctx, data):
652         si_s = base32.b2a_or_none(data.get_storage_index())
653         if si_s is None:
654             si_s = "(None)"
655         return si_s
656
657     def render_helper(self, ctx, data):
658         return {True: "Yes",
659                 False: "No"}[data.using_helper()]
660
661     def render_current_size(self, ctx, data):
662         size = data.get_size()
663         if size is None:
664             size = "(unknown)"
665         return size
666
667     def render_progress(self, ctx, data):
668         progress = data.get_progress()
669         # TODO: make an ascii-art bar
670         return "%.1f%%" % (100.0 * progress)
671
672     def render_status(self, ctx, data):
673         return data.get_status()
674
675     def render_encoding(self, ctx, data):
676         k, n = data.get_encoding()
677         return ctx.tag["Encoding: %s of %s" % (k, n)]
678
679     def render_sharemap(self, ctx, data):
680         servermap = data.get_servermap()
681         if servermap is None:
682             return ctx.tag["None"]
683         l = T.ul()
684         sharemap = servermap.make_sharemap()
685         for shnum in sorted(sharemap.keys()):
686             l[T.li["%d -> Placed on " % shnum,
687                    ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid)
688                               for peerid in sharemap[shnum]])]]
689         return ctx.tag["Sharemap:", l]
690
691     def render_problems(self, ctx, data):
692         problems = data.problems
693         if not problems:
694             return ""
695         l = T.ul()
696         for peerid in sorted(problems.keys()):
697             peerid_s = idlib.shortnodeid_b2a(peerid)
698             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
699         return ctx.tag["Server Problems:", l]
700
701     def _get_rate(self, data, name):
702         file_size = self.publish_status.get_size()
703         time = self.publish_status.timings.get(name)
704         if time is None:
705             return None
706         try:
707             return 1.0 * file_size / time
708         except ZeroDivisionError:
709             return None
710
711     def data_time_total(self, ctx, data):
712         return self.publish_status.timings.get("total")
713     def data_rate_total(self, ctx, data):
714         return self._get_rate(data, "total")
715
716     def data_time_setup(self, ctx, data):
717         return self.publish_status.timings.get("setup")
718
719     def data_time_encrypt(self, ctx, data):
720         return self.publish_status.timings.get("encrypt")
721     def data_rate_encrypt(self, ctx, data):
722         return self._get_rate(data, "encrypt")
723
724     def data_time_encode(self, ctx, data):
725         return self.publish_status.timings.get("encode")
726     def data_rate_encode(self, ctx, data):
727         return self._get_rate(data, "encode")
728
729     def data_time_pack(self, ctx, data):
730         return self.publish_status.timings.get("pack")
731     def data_rate_pack(self, ctx, data):
732         return self._get_rate(data, "pack")
733     def data_time_sign(self, ctx, data):
734         return self.publish_status.timings.get("sign")
735
736     def data_time_push(self, ctx, data):
737         return self.publish_status.timings.get("push")
738     def data_rate_push(self, ctx, data):
739         return self._get_rate(data, "push")
740
741     def render_server_timings(self, ctx, data):
742         per_server = self.publish_status.timings.get("send_per_server")
743         if not per_server:
744             return ""
745         l = T.ul()
746         for peerid in sorted(per_server.keys()):
747             peerid_s = idlib.shortnodeid_b2a(peerid)
748             times_s = ", ".join([self.render_time(None, t)
749                                  for t in per_server[peerid]])
750             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
751         return T.li["Per-Server Response Times: ", l]
752
753 class MapupdateStatusPage(rend.Page, RateAndTimeMixin):
754     docFactory = getxmlfile("map-update-status.xhtml")
755
756     def __init__(self, data):
757         rend.Page.__init__(self, data)
758         self.update_status = data
759
760     def render_started(self, ctx, data):
761         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
762         started_s = time.strftime(TIME_FORMAT,
763                                   time.localtime(data.get_started()))
764         return started_s
765
766     def render_finished(self, ctx, data):
767         when = data.get_finished()
768         if not when:
769             return "not yet"
770         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
771         started_s = time.strftime(TIME_FORMAT,
772                                   time.localtime(data.get_finished()))
773         return started_s
774
775     def render_si(self, ctx, data):
776         si_s = base32.b2a_or_none(data.get_storage_index())
777         if si_s is None:
778             si_s = "(None)"
779         return si_s
780
781     def render_helper(self, ctx, data):
782         return {True: "Yes",
783                 False: "No"}[data.using_helper()]
784
785     def render_progress(self, ctx, data):
786         progress = data.get_progress()
787         # TODO: make an ascii-art bar
788         return "%.1f%%" % (100.0 * progress)
789
790     def render_status(self, ctx, data):
791         return data.get_status()
792
793     def render_problems(self, ctx, data):
794         problems = data.problems
795         if not problems:
796             return ""
797         l = T.ul()
798         for peerid in sorted(problems.keys()):
799             peerid_s = idlib.shortnodeid_b2a(peerid)
800             l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]]
801         return ctx.tag["Server Problems:", l]
802
803     def render_privkey_from(self, ctx, data):
804         peerid = data.get_privkey_from()
805         if peerid:
806             return ctx.tag["Got privkey from: [%s]"
807                            % idlib.shortnodeid_b2a(peerid)]
808         else:
809             return ""
810
811     def data_time_total(self, ctx, data):
812         return self.update_status.timings.get("total")
813
814     def data_time_initial_queries(self, ctx, data):
815         return self.update_status.timings.get("initial_queries")
816
817     def data_time_cumulative_verify(self, ctx, data):
818         return self.update_status.timings.get("cumulative_verify")
819
820     def render_server_timings(self, ctx, data):
821         per_server = self.update_status.timings.get("per_server")
822         if not per_server:
823             return ""
824         l = T.ul()
825         for peerid in sorted(per_server.keys()):
826             peerid_s = idlib.shortnodeid_b2a(peerid)
827             times = []
828             for op,started,t in per_server[peerid]:
829                 #times.append("%s/%.4fs/%s/%s" % (op,
830                 #                              started,
831                 #                              self.render_time(None, started - self.update_status.get_started()),
832                 #                              self.render_time(None,t)))
833                 if op == "query":
834                     times.append( self.render_time(None, t) )
835                 elif op == "late":
836                     times.append( "late(" + self.render_time(None, t) + ")" )
837                 else:
838                     times.append( "privkey(" + self.render_time(None, t) + ")" )
839             times_s = ", ".join(times)
840             l[T.li["[%s]: %s" % (peerid_s, times_s)]]
841         return T.li["Per-Server Response Times: ", l]
842
843     def render_timing_chart(self, ctx, data):
844         imageurl = self._timing_chart()
845         return ctx.tag[imageurl]
846
847     def _timing_chart(self):
848         started = self.update_status.get_started()
849         total = self.update_status.timings.get("total")
850         per_server = self.update_status.timings.get("per_server")
851         base = "http://chart.apis.google.com/chart?"
852         pieces = ["cht=bhs", "chs=400x300"]
853         pieces.append("chco=ffffff,4d89f9,c6d9fd") # colors
854         data0 = []
855         data1 = []
856         data2 = []
857         peerids_s = []
858         top_abs = started
859         # we sort the queries by the time at which we sent the first request
860         sorttable = [ (times[0][1], peerid)
861                       for peerid, times in per_server.items() ]
862         sorttable.sort()
863         peerids = [t[1] for t in sorttable]
864
865         for peerid in peerids:
866             times = per_server[peerid]
867             peerid_s = idlib.shortnodeid_b2a(peerid)
868             peerids_s.append(peerid_s)
869             # for servermap updates, there are either one or two queries per
870             # peer. The second (if present) is to get the privkey.
871             op,q_started,q_elapsed = times[0]
872             data0.append("%.3f" % (q_started-started))
873             data1.append("%.3f" % q_elapsed)
874             top_abs = max(top_abs, q_started+q_elapsed)
875             if len(times) > 1:
876                 op,p_started,p_elapsed = times[0]
877                 data2.append("%.3f" % p_elapsed)
878                 top_abs = max(top_abs, p_started+p_elapsed)
879             else:
880                 data2.append("0.0")
881         finished = self.update_status.get_finished()
882         if finished:
883             top_abs = max(top_abs, finished)
884         top_rel = top_abs - started
885         chd = "chd=t:" + "|".join([",".join(data0),
886                                    ",".join(data1),
887                                    ",".join(data2)])
888         pieces.append(chd)
889         chds = "chds=0,%0.3f" % top_rel
890         pieces.append(chds)
891         pieces.append("chxt=x,y")
892         pieces.append("chxr=0,0.0,%0.3f" % top_rel)
893         pieces.append("chxl=1:|" + "|".join(reversed(peerids_s)))
894         # use up to 10 grid lines, at decimal multiples.
895         # mathutil.next_power_of_k doesn't handle numbers smaller than one,
896         # unfortunately.
897         #pieces.append("chg="
898
899         if total is not None:
900             finished_f = 1.0 * total / top_rel
901             pieces.append("chm=r,FF0000,0,%0.3f,%0.3f" % (finished_f,
902                                                           finished_f+0.01))
903         url = base + "&".join(pieces)
904         return T.img(src=url, align="right", float="right")
905
906
907 class Status(rend.Page):
908     docFactory = getxmlfile("status.xhtml")
909     addSlash = True
910
911     def __init__(self, history):
912         rend.Page.__init__(self, history)
913         self.history = history
914
915     def renderHTTP(self, ctx):
916         req = inevow.IRequest(ctx)
917         t = get_arg(req, "t")
918         if t == "json":
919             return self.json(req)
920         return rend.Page.renderHTTP(self, ctx)
921
922     def json(self, req):
923         req.setHeader("content-type", "text/plain")
924         data = {}
925         data["active"] = active = []
926         for s in self._get_active_operations():
927             si_s = base32.b2a_or_none(s.get_storage_index())
928             size = s.get_size()
929             status = s.get_status()
930             if IUploadStatus.providedBy(s):
931                 h,c,e = s.get_progress()
932                 active.append({"type": "upload",
933                                "storage-index-string": si_s,
934                                "total-size": size,
935                                "status": status,
936                                "progress-hash": h,
937                                "progress-ciphertext": c,
938                                "progress-encode-push": e,
939                                })
940             elif IDownloadStatus.providedBy(s):
941                 active.append({"type": "download",
942                                "storage-index-string": si_s,
943                                "total-size": size,
944                                "status": status,
945                                "progress": s.get_progress(),
946                                })
947
948         return simplejson.dumps(data, indent=1) + "\n"
949
950     def _get_all_statuses(self):
951         h = self.history
952         return itertools.chain(h.list_all_upload_statuses(),
953                                h.list_all_download_statuses(),
954                                h.list_all_mapupdate_statuses(),
955                                h.list_all_publish_statuses(),
956                                h.list_all_retrieve_statuses(),
957                                h.list_all_helper_statuses(),
958                                )
959
960     def data_active_operations(self, ctx, data):
961         return self._get_active_operations()
962
963     def _get_active_operations(self):
964         active = [s
965                   for s in self._get_all_statuses()
966                   if s.get_active()]
967         return active
968
969     def data_recent_operations(self, ctx, data):
970         return self._get_recent_operations()
971
972     def _get_recent_operations(self):
973         recent = [s
974                   for s in self._get_all_statuses()
975                   if not s.get_active()]
976         recent.sort(lambda a,b: cmp(a.get_started(), b.get_started()))
977         recent.reverse()
978         return recent
979
980     def render_row(self, ctx, data):
981         s = data
982
983         TIME_FORMAT = "%H:%M:%S %d-%b-%Y"
984         started_s = time.strftime(TIME_FORMAT,
985                                   time.localtime(s.get_started()))
986         ctx.fillSlots("started", started_s)
987
988         si_s = base32.b2a_or_none(s.get_storage_index())
989         if si_s is None:
990             si_s = "(None)"
991         ctx.fillSlots("si", si_s)
992         ctx.fillSlots("helper", {True: "Yes",
993                                  False: "No"}[s.using_helper()])
994
995         size = s.get_size()
996         if size is None:
997             size = "(unknown)"
998         elif isinstance(size, (int, long, float)):
999             size = abbreviate_size(size)
1000         ctx.fillSlots("total_size", size)
1001
1002         progress = data.get_progress()
1003         if IUploadStatus.providedBy(data):
1004             link = "up-%d" % data.get_counter()
1005             ctx.fillSlots("type", "upload")
1006             # TODO: make an ascii-art bar
1007             (chk, ciphertext, encandpush) = progress
1008             progress_s = ("hash: %.1f%%, ciphertext: %.1f%%, encode: %.1f%%" %
1009                           ( (100.0 * chk),
1010                             (100.0 * ciphertext),
1011                             (100.0 * encandpush) ))
1012             ctx.fillSlots("progress", progress_s)
1013         elif IDownloadStatus.providedBy(data):
1014             link = "down-%d" % data.get_counter()
1015             ctx.fillSlots("type", "download")
1016             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1017         elif IPublishStatus.providedBy(data):
1018             link = "publish-%d" % data.get_counter()
1019             ctx.fillSlots("type", "publish")
1020             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1021         elif IRetrieveStatus.providedBy(data):
1022             ctx.fillSlots("type", "retrieve")
1023             link = "retrieve-%d" % data.get_counter()
1024             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1025         else:
1026             assert IServermapUpdaterStatus.providedBy(data)
1027             ctx.fillSlots("type", "mapupdate %s" % data.get_mode())
1028             link = "mapupdate-%d" % data.get_counter()
1029             ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress))
1030         ctx.fillSlots("status", T.a(href=link)[s.get_status()])
1031         return ctx.tag
1032
1033     def childFactory(self, ctx, name):
1034         h = self.history
1035         stype,count_s = name.split("-")
1036         count = int(count_s)
1037         if stype == "up":
1038             for s in itertools.chain(h.list_all_upload_statuses(),
1039                                      h.list_all_helper_statuses()):
1040                 # immutable-upload helpers use the same status object as a
1041                 # regular immutable-upload
1042                 if s.get_counter() == count:
1043                     return UploadStatusPage(s)
1044         if stype == "down":
1045             for s in h.list_all_download_statuses():
1046                 if s.get_counter() == count:
1047                     return DownloadStatusPage(s)
1048         if stype == "mapupdate":
1049             for s in h.list_all_mapupdate_statuses():
1050                 if s.get_counter() == count:
1051                     return MapupdateStatusPage(s)
1052         if stype == "publish":
1053             for s in h.list_all_publish_statuses():
1054                 if s.get_counter() == count:
1055                     return PublishStatusPage(s)
1056         if stype == "retrieve":
1057             for s in h.list_all_retrieve_statuses():
1058                 if s.get_counter() == count:
1059                     return RetrieveStatusPage(s)
1060
1061
1062 class HelperStatus(rend.Page):
1063     docFactory = getxmlfile("helper.xhtml")
1064
1065     def __init__(self, helper):
1066         rend.Page.__init__(self, helper)
1067         self.helper = helper
1068
1069     def renderHTTP(self, ctx):
1070         req = inevow.IRequest(ctx)
1071         t = get_arg(req, "t")
1072         if t == "json":
1073             return self.render_JSON(req)
1074         return rend.Page.renderHTTP(self, ctx)
1075
1076     def data_helper_stats(self, ctx, data):
1077         return self.helper.get_stats()
1078
1079     def render_JSON(self, req):
1080         req.setHeader("content-type", "text/plain")
1081         if self.helper:
1082             stats = self.helper.get_stats()
1083             return simplejson.dumps(stats, indent=1) + "\n"
1084         return simplejson.dumps({}) + "\n"
1085
1086     def render_active_uploads(self, ctx, data):
1087         return data["chk_upload_helper.active_uploads"]
1088
1089     def render_incoming(self, ctx, data):
1090         return "%d bytes in %d files" % (data["chk_upload_helper.incoming_size"],
1091                                          data["chk_upload_helper.incoming_count"])
1092
1093     def render_encoding(self, ctx, data):
1094         return "%d bytes in %d files" % (data["chk_upload_helper.encoding_size"],
1095                                          data["chk_upload_helper.encoding_count"])
1096
1097     def render_upload_requests(self, ctx, data):
1098         return str(data["chk_upload_helper.upload_requests"])
1099
1100     def render_upload_already_present(self, ctx, data):
1101         return str(data["chk_upload_helper.upload_already_present"])
1102
1103     def render_upload_need_upload(self, ctx, data):
1104         return str(data["chk_upload_helper.upload_need_upload"])
1105
1106     def render_upload_bytes_fetched(self, ctx, data):
1107         return str(data["chk_upload_helper.fetched_bytes"])
1108
1109     def render_upload_bytes_encoded(self, ctx, data):
1110         return str(data["chk_upload_helper.encoded_bytes"])
1111
1112
1113 class Statistics(rend.Page):
1114     docFactory = getxmlfile("statistics.xhtml")
1115
1116     def __init__(self, provider):
1117         rend.Page.__init__(self, provider)
1118         self.provider = provider
1119
1120     def renderHTTP(self, ctx):
1121         req = inevow.IRequest(ctx)
1122         t = get_arg(req, "t")
1123         if t == "json":
1124             stats = self.provider.get_stats()
1125             req.setHeader("content-type", "text/plain")
1126             return simplejson.dumps(stats, indent=1) + "\n"
1127         return rend.Page.renderHTTP(self, ctx)
1128
1129     def data_get_stats(self, ctx, data):
1130         return self.provider.get_stats()
1131
1132     def render_load_average(self, ctx, data):
1133         return str(data["stats"].get("load_monitor.avg_load"))
1134
1135     def render_peak_load(self, ctx, data):
1136         return str(data["stats"].get("load_monitor.max_load"))
1137
1138     def render_uploads(self, ctx, data):
1139         files = data["counters"].get("uploader.files_uploaded", 0)
1140         bytes = data["counters"].get("uploader.bytes_uploaded", 0)
1141         return ("%s files / %s bytes (%s)" %
1142                 (files, bytes, abbreviate_size(bytes)))
1143
1144     def render_downloads(self, ctx, data):
1145         files = data["counters"].get("downloader.files_downloaded", 0)
1146         bytes = data["counters"].get("downloader.bytes_downloaded", 0)
1147         return ("%s files / %s bytes (%s)" %
1148                 (files, bytes, abbreviate_size(bytes)))
1149
1150     def render_publishes(self, ctx, data):
1151         files = data["counters"].get("mutable.files_published", 0)
1152         bytes = data["counters"].get("mutable.bytes_published", 0)
1153         return "%s files / %s bytes (%s)" % (files, bytes,
1154                                              abbreviate_size(bytes))
1155
1156     def render_retrieves(self, ctx, data):
1157         files = data["counters"].get("mutable.files_retrieved", 0)
1158         bytes = data["counters"].get("mutable.bytes_retrieved", 0)
1159         return "%s files / %s bytes (%s)" % (files, bytes,
1160                                              abbreviate_size(bytes))
1161
1162     def render_raw(self, ctx, data):
1163         raw = pprint.pformat(data)
1164         return ctx.tag[raw]