import time, pprint, itertools import simplejson from twisted.internet import defer from nevow import rend, inevow, tags as T from allmydata.util import base32, idlib from allmydata.web.common import IClient, getxmlfile, abbreviate_time, \ abbreviate_rate, abbreviate_size, get_arg from allmydata.interfaces import IUploadStatus, IDownloadStatus, \ IPublishStatus, IRetrieveStatus, IServermapUpdaterStatus def plural(sequence_or_length): if isinstance(sequence_or_length, int): length = sequence_or_length else: length = len(sequence_or_length) if length == 1: return "" return "s" class RateAndTimeMixin: def render_time(self, ctx, data): return abbreviate_time(data) def render_rate(self, ctx, data): return abbreviate_rate(data) class UploadResultsRendererMixin(RateAndTimeMixin): # this requires a method named 'upload_results' def render_pushed_shares(self, ctx, data): d = self.upload_results() d.addCallback(lambda res: res.pushed_shares) return d def render_preexisting_shares(self, ctx, data): d = self.upload_results() d.addCallback(lambda res: res.preexisting_shares) return d def render_sharemap(self, ctx, data): d = self.upload_results() d.addCallback(lambda res: res.sharemap) def _render(sharemap): if sharemap is None: return "None" l = T.ul() for shnum in sorted(sharemap.keys()): l[T.li["%d -> %s" % (shnum, sharemap[shnum])]] return l d.addCallback(_render) return d def render_servermap(self, ctx, data): d = self.upload_results() d.addCallback(lambda res: res.servermap) def _render(servermap): if servermap is None: return "None" l = T.ul() for peerid in sorted(servermap.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) shares_s = ",".join(["#%d" % shnum for shnum in servermap[peerid]]) l[T.li["[%s] got share%s: %s" % (peerid_s, plural(servermap[peerid]), shares_s)]] return l d.addCallback(_render) return d def data_file_size(self, ctx, data): d = self.upload_results() d.addCallback(lambda res: res.file_size) return d def _get_time(self, name): d = self.upload_results() d.addCallback(lambda res: res.timings.get(name)) return d def data_time_total(self, ctx, data): return self._get_time("total") def data_time_storage_index(self, ctx, data): return self._get_time("storage_index") def data_time_contacting_helper(self, ctx, data): return self._get_time("contacting_helper") def data_time_existence_check(self, ctx, data): return self._get_time("existence_check") def data_time_cumulative_fetch(self, ctx, data): return self._get_time("cumulative_fetch") def data_time_helper_total(self, ctx, data): return self._get_time("helper_total") def data_time_peer_selection(self, ctx, data): return self._get_time("peer_selection") def data_time_total_encode_and_push(self, ctx, data): return self._get_time("total_encode_and_push") def data_time_cumulative_encoding(self, ctx, data): return self._get_time("cumulative_encoding") def data_time_cumulative_sending(self, ctx, data): return self._get_time("cumulative_sending") def data_time_hashes_and_close(self, ctx, data): return self._get_time("hashes_and_close") def _get_rate(self, name): d = self.upload_results() def _convert(r): file_size = r.file_size time = r.timings.get(name) if time is None: return None try: return 1.0 * file_size / time except ZeroDivisionError: return None d.addCallback(_convert) return d def data_rate_total(self, ctx, data): return self._get_rate("total") def data_rate_storage_index(self, ctx, data): return self._get_rate("storage_index") def data_rate_encode(self, ctx, data): return self._get_rate("cumulative_encoding") def data_rate_push(self, ctx, data): return self._get_rate("cumulative_sending") def data_rate_encode_and_push(self, ctx, data): d = self.upload_results() def _convert(r): file_size = r.file_size time1 = r.timings.get("cumulative_encoding") time2 = r.timings.get("cumulative_sending") if (file_size is None or time1 is None or time2 is None): return None try: return 1.0 * file_size / (time1+time2) except ZeroDivisionError: return None d.addCallback(_convert) return d def data_rate_ciphertext_fetch(self, ctx, data): d = self.upload_results() def _convert(r): fetch_size = r.ciphertext_fetched time = r.timings.get("cumulative_fetch") if (fetch_size is None or time is None): return None try: return 1.0 * fetch_size / time except ZeroDivisionError: return None d.addCallback(_convert) return d class UploadStatusPage(UploadResultsRendererMixin, rend.Page): docFactory = getxmlfile("upload-status.xhtml") def __init__(self, data): rend.Page.__init__(self, data) self.upload_status = data def upload_results(self): return defer.maybeDeferred(self.upload_status.get_results) def render_results(self, ctx, data): d = self.upload_results() def _got_results(results): if results: return ctx.tag return "" d.addCallback(_got_results) return d def render_started(self, ctx, data): TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(data.get_started())) return started_s def render_si(self, ctx, data): si_s = base32.b2a_or_none(data.get_storage_index()) if si_s is None: si_s = "(None)" return si_s def render_helper(self, ctx, data): return {True: "Yes", False: "No"}[data.using_helper()] def render_total_size(self, ctx, data): size = data.get_size() if size is None: return "(unknown)" return size def render_progress_hash(self, ctx, data): progress = data.get_progress()[0] # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_progress_ciphertext(self, ctx, data): progress = data.get_progress()[1] # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_progress_encode_push(self, ctx, data): progress = data.get_progress()[2] # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_status(self, ctx, data): return data.get_status() class DownloadResultsRendererMixin(RateAndTimeMixin): # this requires a method named 'download_results' def render_servermap(self, ctx, data): d = self.download_results() d.addCallback(lambda res: res.servermap) def _render(servermap): if servermap is None: return "None" l = T.ul() for peerid in sorted(servermap.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) shares_s = ",".join(["#%d" % shnum for shnum in servermap[peerid]]) l[T.li["[%s] has share%s: %s" % (peerid_s, plural(servermap[peerid]), shares_s)]] return l d.addCallback(_render) return d def render_servers_used(self, ctx, data): d = self.download_results() d.addCallback(lambda res: res.servers_used) def _got(servers_used): if not servers_used: return "" peerids_s = ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid) for peerid in servers_used]) return T.li["Servers Used: ", peerids_s] d.addCallback(_got) return d def render_problems(self, ctx, data): d = self.download_results() d.addCallback(lambda res: res.server_problems) def _got(server_problems): if not server_problems: return "" l = T.ul() for peerid in sorted(server_problems.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) l[T.li["[%s]: %s" % (peerid_s, server_problems[peerid])]] return T.li["Server Problems:", l] d.addCallback(_got) return d def data_file_size(self, ctx, data): d = self.download_results() d.addCallback(lambda res: res.file_size) return d def _get_time(self, name): d = self.download_results() d.addCallback(lambda res: res.timings.get(name)) return d def data_time_total(self, ctx, data): return self._get_time("total") def data_time_peer_selection(self, ctx, data): return self._get_time("peer_selection") def data_time_uri_extension(self, ctx, data): return self._get_time("uri_extension") def data_time_hashtrees(self, ctx, data): return self._get_time("hashtrees") def data_time_segments(self, ctx, data): return self._get_time("segments") def data_time_cumulative_fetch(self, ctx, data): return self._get_time("cumulative_fetch") def data_time_cumulative_decode(self, ctx, data): return self._get_time("cumulative_decode") def data_time_cumulative_decrypt(self, ctx, data): return self._get_time("cumulative_decrypt") def data_time_paused(self, ctx, data): return self._get_time("paused") def _get_rate(self, name): d = self.download_results() def _convert(r): file_size = r.file_size time = r.timings.get(name) if time is None: return None try: return 1.0 * file_size / time except ZeroDivisionError: return None d.addCallback(_convert) return d def data_rate_total(self, ctx, data): return self._get_rate("total") def data_rate_segments(self, ctx, data): return self._get_rate("segments") def data_rate_fetch(self, ctx, data): return self._get_rate("cumulative_fetch") def data_rate_decode(self, ctx, data): return self._get_rate("cumulative_decode") def data_rate_decrypt(self, ctx, data): return self._get_rate("cumulative_decrypt") def render_server_timings(self, ctx, data): d = self.download_results() d.addCallback(lambda res: res.timings.get("fetch_per_server")) def _render(per_server): if per_server is None: return "" l = T.ul() for peerid in sorted(per_server.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) times_s = ", ".join([self.render_time(None, t) for t in per_server[peerid]]) l[T.li["[%s]: %s" % (peerid_s, times_s)]] return T.li["Per-Server Segment Fetch Response Times: ", l] d.addCallback(_render) return d class DownloadStatusPage(DownloadResultsRendererMixin, rend.Page): docFactory = getxmlfile("download-status.xhtml") def __init__(self, data): rend.Page.__init__(self, data) self.download_status = data def download_results(self): return defer.maybeDeferred(self.download_status.get_results) def render_results(self, ctx, data): d = self.download_results() def _got_results(results): if results: return ctx.tag return "" d.addCallback(_got_results) return d def render_started(self, ctx, data): TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(data.get_started())) return started_s def render_si(self, ctx, data): si_s = base32.b2a_or_none(data.get_storage_index()) if si_s is None: si_s = "(None)" return si_s def render_helper(self, ctx, data): return {True: "Yes", False: "No"}[data.using_helper()] def render_total_size(self, ctx, data): size = data.get_size() if size is None: return "(unknown)" return size def render_progress(self, ctx, data): progress = data.get_progress() # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_status(self, ctx, data): return data.get_status() class RetrieveStatusPage(rend.Page, RateAndTimeMixin): docFactory = getxmlfile("retrieve-status.xhtml") def __init__(self, data): rend.Page.__init__(self, data) self.retrieve_status = data def render_started(self, ctx, data): TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(data.get_started())) return started_s def render_si(self, ctx, data): si_s = base32.b2a_or_none(data.get_storage_index()) if si_s is None: si_s = "(None)" return si_s def render_helper(self, ctx, data): return {True: "Yes", False: "No"}[data.using_helper()] def render_current_size(self, ctx, data): size = data.get_size() if size is None: size = "(unknown)" return size def render_progress(self, ctx, data): progress = data.get_progress() # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_status(self, ctx, data): return data.get_status() def render_encoding(self, ctx, data): k, n = data.get_encoding() return ctx.tag["Encoding: %s of %s" % (k, n)] def render_problems(self, ctx, data): problems = data.problems if not problems: return "" l = T.ul() for peerid in sorted(problems.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]] return ctx.tag["Server Problems:", l] def _get_rate(self, data, name): file_size = self.retrieve_status.get_size() time = self.retrieve_status.timings.get(name) if time is None or file_size is None: return None try: return 1.0 * file_size / time except ZeroDivisionError: return None def data_time_total(self, ctx, data): return self.retrieve_status.timings.get("total") def data_rate_total(self, ctx, data): return self._get_rate(data, "total") def data_time_fetch(self, ctx, data): return self.retrieve_status.timings.get("fetch") def data_rate_fetch(self, ctx, data): return self._get_rate(data, "fetch") def data_time_decode(self, ctx, data): return self.retrieve_status.timings.get("decode") def data_rate_decode(self, ctx, data): return self._get_rate(data, "decode") def data_time_decrypt(self, ctx, data): return self.retrieve_status.timings.get("decrypt") def data_rate_decrypt(self, ctx, data): return self._get_rate(data, "decrypt") def render_server_timings(self, ctx, data): per_server = self.retrieve_status.timings.get("fetch_per_server") if not per_server: return "" l = T.ul() for peerid in sorted(per_server.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) times_s = ", ".join([self.render_time(None, t) for t in per_server[peerid]]) l[T.li["[%s]: %s" % (peerid_s, times_s)]] return T.li["Per-Server Fetch Response Times: ", l] class PublishStatusPage(rend.Page, RateAndTimeMixin): docFactory = getxmlfile("publish-status.xhtml") def __init__(self, data): rend.Page.__init__(self, data) self.publish_status = data def render_started(self, ctx, data): TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(data.get_started())) return started_s def render_si(self, ctx, data): si_s = base32.b2a_or_none(data.get_storage_index()) if si_s is None: si_s = "(None)" return si_s def render_helper(self, ctx, data): return {True: "Yes", False: "No"}[data.using_helper()] def render_current_size(self, ctx, data): size = data.get_size() if size is None: size = "(unknown)" return size def render_progress(self, ctx, data): progress = data.get_progress() # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_status(self, ctx, data): return data.get_status() def render_encoding(self, ctx, data): k, n = data.get_encoding() return ctx.tag["Encoding: %s of %s" % (k, n)] def render_sharemap(self, ctx, data): servermap = data.get_servermap() if servermap is None: return ctx.tag["None"] l = T.ul() sharemap = servermap.make_sharemap() for shnum in sorted(sharemap.keys()): l[T.li["%d -> Placed on " % shnum, ", ".join(["[%s]" % idlib.shortnodeid_b2a(peerid) for peerid in sharemap[shnum]])]] return ctx.tag["Sharemap:", l] def render_problems(self, ctx, data): problems = data.problems if not problems: return "" l = T.ul() for peerid in sorted(problems.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]] return ctx.tag["Server Problems:", l] def _get_rate(self, data, name): file_size = self.publish_status.get_size() time = self.publish_status.timings.get(name) if time is None: return None try: return 1.0 * file_size / time except ZeroDivisionError: return None def data_time_total(self, ctx, data): return self.publish_status.timings.get("total") def data_rate_total(self, ctx, data): return self._get_rate(data, "total") def data_time_setup(self, ctx, data): return self.publish_status.timings.get("setup") def data_time_encrypt(self, ctx, data): return self.publish_status.timings.get("encrypt") def data_rate_encrypt(self, ctx, data): return self._get_rate(data, "encrypt") def data_time_encode(self, ctx, data): return self.publish_status.timings.get("encode") def data_rate_encode(self, ctx, data): return self._get_rate(data, "encode") def data_time_pack(self, ctx, data): return self.publish_status.timings.get("pack") def data_rate_pack(self, ctx, data): return self._get_rate(data, "pack") def data_time_sign(self, ctx, data): return self.publish_status.timings.get("sign") def data_time_push(self, ctx, data): return self.publish_status.timings.get("push") def data_rate_push(self, ctx, data): return self._get_rate(data, "push") def render_server_timings(self, ctx, data): per_server = self.publish_status.timings.get("send_per_server") if not per_server: return "" l = T.ul() for peerid in sorted(per_server.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) times_s = ", ".join([self.render_time(None, t) for t in per_server[peerid]]) l[T.li["[%s]: %s" % (peerid_s, times_s)]] return T.li["Per-Server Response Times: ", l] class MapupdateStatusPage(rend.Page, RateAndTimeMixin): docFactory = getxmlfile("map-update-status.xhtml") def __init__(self, data): rend.Page.__init__(self, data) self.update_status = data def render_started(self, ctx, data): TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(data.get_started())) return started_s def render_finished(self, ctx, data): when = data.get_finished() if not when: return "not yet" TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(data.get_finished())) return started_s def render_si(self, ctx, data): si_s = base32.b2a_or_none(data.get_storage_index()) if si_s is None: si_s = "(None)" return si_s def render_helper(self, ctx, data): return {True: "Yes", False: "No"}[data.using_helper()] def render_progress(self, ctx, data): progress = data.get_progress() # TODO: make an ascii-art bar return "%.1f%%" % (100.0 * progress) def render_status(self, ctx, data): return data.get_status() def render_problems(self, ctx, data): problems = data.problems if not problems: return "" l = T.ul() for peerid in sorted(problems.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) l[T.li["[%s]: %s" % (peerid_s, problems[peerid])]] return ctx.tag["Server Problems:", l] def render_privkey_from(self, ctx, data): peerid = data.get_privkey_from() if peerid: return ctx.tag["Got privkey from: [%s]" % idlib.shortnodeid_b2a(peerid)] else: return "" def data_time_total(self, ctx, data): return self.update_status.timings.get("total") def data_time_initial_queries(self, ctx, data): return self.update_status.timings.get("initial_queries") def data_time_cumulative_verify(self, ctx, data): return self.update_status.timings.get("cumulative_verify") def render_server_timings(self, ctx, data): per_server = self.update_status.timings.get("per_server") if not per_server: return "" l = T.ul() for peerid in sorted(per_server.keys()): peerid_s = idlib.shortnodeid_b2a(peerid) times = [] for op,started,t in per_server[peerid]: #times.append("%s/%.4fs/%s/%s" % (op, # started, # self.render_time(None, started - self.update_status.get_started()), # self.render_time(None,t))) if op == "query": times.append( self.render_time(None, t) ) elif op == "late": times.append( "late(" + self.render_time(None, t) + ")" ) else: times.append( "privkey(" + self.render_time(None, t) + ")" ) times_s = ", ".join(times) l[T.li["[%s]: %s" % (peerid_s, times_s)]] return T.li["Per-Server Response Times: ", l] def render_timing_chart(self, ctx, data): imageurl = self._timing_chart() return ctx.tag[imageurl] def _timing_chart(self): started = self.update_status.get_started() total = self.update_status.timings.get("total") per_server = self.update_status.timings.get("per_server") base = "http://chart.apis.google.com/chart?" pieces = ["cht=bhs", "chs=400x300"] pieces.append("chco=ffffff,4d89f9,c6d9fd") # colors data0 = [] data1 = [] data2 = [] peerids_s = [] top_abs = started # we sort the queries by the time at which we sent the first request sorttable = [ (times[0][1], peerid) for peerid, times in per_server.items() ] sorttable.sort() peerids = [t[1] for t in sorttable] for peerid in peerids: times = per_server[peerid] peerid_s = idlib.shortnodeid_b2a(peerid) peerids_s.append(peerid_s) # for servermap updates, there are either one or two queries per # peer. The second (if present) is to get the privkey. op,q_started,q_elapsed = times[0] data0.append("%.3f" % (q_started-started)) data1.append("%.3f" % q_elapsed) top_abs = max(top_abs, q_started+q_elapsed) if len(times) > 1: op,p_started,p_elapsed = times[0] data2.append("%.3f" % p_elapsed) top_abs = max(top_abs, p_started+p_elapsed) else: data2.append("0.0") finished = self.update_status.get_finished() if finished: top_abs = max(top_abs, finished) top_rel = top_abs - started chd = "chd=t:" + "|".join([",".join(data0), ",".join(data1), ",".join(data2)]) pieces.append(chd) chds = "chds=0,%0.3f" % top_rel pieces.append(chds) pieces.append("chxt=x,y") pieces.append("chxr=0,0.0,%0.3f" % top_rel) pieces.append("chxl=1:|" + "|".join(reversed(peerids_s))) # use up to 10 grid lines, at decimal multiples. # mathutil.next_power_of_k doesn't handle numbers smaller than one, # unfortunately. #pieces.append("chg=" if total is not None: finished_f = 1.0 * total / top_rel pieces.append("chm=r,FF0000,0,%0.3f,%0.3f" % (finished_f, finished_f+0.01)) url = base + "&".join(pieces) return T.img(src=url, align="right", float="right") class Status(rend.Page): docFactory = getxmlfile("status.xhtml") addSlash = True def _get_all_statuses(self, client): return itertools.chain(client.list_all_upload_statuses(), client.list_all_download_statuses(), client.list_all_mapupdate_statuses(), client.list_all_publish_statuses(), client.list_all_retrieve_statuses(), client.list_all_helper_statuses(), ) def data_active_operations(self, ctx, data): client = IClient(ctx) active = [s for s in self._get_all_statuses(client) if s.get_active()] return active def data_recent_operations(self, ctx, data): client = IClient(ctx) recent = [s for s in self._get_all_statuses(client) if not s.get_active()] recent.sort(lambda a,b: cmp(a.get_started(), b.get_started())) recent.reverse() return recent def render_row(self, ctx, data): s = data TIME_FORMAT = "%H:%M:%S %d-%b-%Y" started_s = time.strftime(TIME_FORMAT, time.localtime(s.get_started())) ctx.fillSlots("started", started_s) si_s = base32.b2a_or_none(s.get_storage_index()) if si_s is None: si_s = "(None)" ctx.fillSlots("si", si_s) ctx.fillSlots("helper", {True: "Yes", False: "No"}[s.using_helper()]) size = s.get_size() if size is None: size = "(unknown)" elif isinstance(size, (int, long, float)): size = abbreviate_size(size) ctx.fillSlots("total_size", size) progress = data.get_progress() if IUploadStatus.providedBy(data): link = "up-%d" % data.get_counter() ctx.fillSlots("type", "upload") # TODO: make an ascii-art bar (chk, ciphertext, encandpush) = progress progress_s = ("hash: %.1f%%, ciphertext: %.1f%%, encode: %.1f%%" % ( (100.0 * chk), (100.0 * ciphertext), (100.0 * encandpush) )) ctx.fillSlots("progress", progress_s) elif IDownloadStatus.providedBy(data): link = "down-%d" % data.get_counter() ctx.fillSlots("type", "download") ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress)) elif IPublishStatus.providedBy(data): link = "publish-%d" % data.get_counter() ctx.fillSlots("type", "publish") ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress)) elif IRetrieveStatus.providedBy(data): ctx.fillSlots("type", "retrieve") link = "retrieve-%d" % data.get_counter() ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress)) else: assert IServermapUpdaterStatus.providedBy(data) ctx.fillSlots("type", "mapupdate %s" % data.get_mode()) link = "mapupdate-%d" % data.get_counter() ctx.fillSlots("progress", "%.1f%%" % (100.0 * progress)) ctx.fillSlots("status", T.a(href=link)[s.get_status()]) return ctx.tag def childFactory(self, ctx, name): client = IClient(ctx) stype,count_s = name.split("-") count = int(count_s) if stype == "up": for s in itertools.chain(client.list_all_upload_statuses(), client.list_all_helper_statuses()): # immutable-upload helpers use the same status object as a # regular immutable-upload if s.get_counter() == count: return UploadStatusPage(s) if stype == "down": for s in client.list_all_download_statuses(): if s.get_counter() == count: return DownloadStatusPage(s) if stype == "mapupdate": for s in client.list_all_mapupdate_statuses(): if s.get_counter() == count: return MapupdateStatusPage(s) if stype == "publish": for s in client.list_all_publish_statuses(): if s.get_counter() == count: return PublishStatusPage(s) if stype == "retrieve": for s in client.list_all_retrieve_statuses(): if s.get_counter() == count: return RetrieveStatusPage(s) class HelperStatus(rend.Page): docFactory = getxmlfile("helper.xhtml") def renderHTTP(self, ctx): t = get_arg(inevow.IRequest(ctx), "t") if t == "json": return self.render_JSON(ctx) # is there a better way to provide 'data' to all rendering methods? helper = IClient(ctx).getServiceNamed("helper") self.original = helper.get_stats() return rend.Page.renderHTTP(self, ctx) def render_JSON(self, ctx): inevow.IRequest(ctx).setHeader("content-type", "text/plain") try: h = IClient(ctx).getServiceNamed("helper") except KeyError: return simplejson.dumps({}) stats = h.get_stats() return simplejson.dumps(stats, indent=1) def render_active_uploads(self, ctx, data): return data["chk_upload_helper.active_uploads"] def render_incoming(self, ctx, data): return "%d bytes in %d files" % (data["chk_upload_helper.incoming_size"], data["chk_upload_helper.incoming_count"]) def render_encoding(self, ctx, data): return "%d bytes in %d files" % (data["chk_upload_helper.encoding_size"], data["chk_upload_helper.encoding_count"]) def render_upload_requests(self, ctx, data): return str(data["chk_upload_helper.upload_requests"]) def render_upload_already_present(self, ctx, data): return str(data["chk_upload_helper.upload_already_present"]) def render_upload_need_upload(self, ctx, data): return str(data["chk_upload_helper.upload_need_upload"]) def render_upload_bytes_fetched(self, ctx, data): return str(data["chk_upload_helper.fetched_bytes"]) def render_upload_bytes_encoded(self, ctx, data): return str(data["chk_upload_helper.encoded_bytes"]) class Statistics(rend.Page): docFactory = getxmlfile("statistics.xhtml") def renderHTTP(self, ctx): provider = IClient(ctx).stats_provider stats = {'stats': {}, 'counters': {}} if provider: stats = provider.get_stats() t = get_arg(inevow.IRequest(ctx), "t") if t == "json": inevow.IRequest(ctx).setHeader("content-type", "text/plain") return simplejson.dumps(stats, indent=1) # is there a better way to provide 'data' to all rendering methods? self.original = stats return rend.Page.renderHTTP(self, ctx) def render_load_average(self, ctx, data): return str(data["stats"].get("load_monitor.avg_load")) def render_peak_load(self, ctx, data): return str(data["stats"].get("load_monitor.max_load")) def render_uploads(self, ctx, data): files = data["counters"].get("uploader.files_uploaded", 0) bytes = data["counters"].get("uploader.bytes_uploaded", 0) return ("%s files / %s bytes (%s)" % (files, bytes, abbreviate_size(bytes))) def render_downloads(self, ctx, data): files = data["counters"].get("downloader.files_downloaded", 0) bytes = data["counters"].get("downloader.bytes_downloaded", 0) return ("%s files / %s bytes (%s)" % (files, bytes, abbreviate_size(bytes))) def render_publishes(self, ctx, data): files = data["counters"].get("mutable.files_published", 0) bytes = data["counters"].get("mutable.bytes_published", 0) return "%s files / %s bytes (%s)" % (files, bytes, abbreviate_size(bytes)) def render_retrieves(self, ctx, data): files = data["counters"].get("mutable.files_retrieved", 0) bytes = data["counters"].get("mutable.bytes_retrieved", 0) return "%s files / %s bytes (%s)" % (files, bytes, abbreviate_size(bytes)) def render_raw(self, ctx, data): raw = pprint.pformat(data) return ctx.tag[raw]