bin/djais/views.py

   1 # -*- coding: utf-8 -*-
   2
   3 from __future__ import division
   4
   5 #TODO
   6 #Normalize 403 errors
   7
   8 import os
   9 import os.path
  10 from datetime import *
  11 import re
  12 from time import time as get_timestamp, sleep
  13 import logging
  14 import crack
  15 import struct
  16 import operator
  17 import rrdtool
  18 import csv
  19 from StringIO import StringIO
  20 from django.http import *
  21 from django.template import loader, RequestContext
  22 from django import forms
  23 from django.shortcuts import render_to_response, get_object_or_404
  24 from django.utils.safestring import mark_safe
  25
  26 from decoratedstr import remove_decoration
  27
  28 from ais.area import list_areas
  29 from ais.djais.basicauth import http_authenticate
  30 from ais.djais.models import *
  31 from ais.show_targets_ships import format_fleet, kml_to_kmz
  32 from ais.common import COUNTRIES_MID, Nmea, NmeaFeeder, strmmsi_to_mmsi, SHIP_TYPES, STATUS_CODES, AIS_STATUS_NOT_AVAILABLE, AIS_ROT_NOT_AVAILABLE, AIS_LATLON_SCALE, AIS_LON_NOT_AVAILABLE, AIS_LAT_NOT_AVAILABLE, AIS_COG_SCALE, AIS_COG_NOT_AVAILABLE, AIS_NO_HEADING, AIS_SOG_SCALE, AIS_SOG_NOT_AVAILABLE, AIS_SOG_MAX_SPEED, add_nmea1, add_nmea5_partial, load_fleet_to_uset
  33 from ais.ntools import datetime_to_timestamp, clean_ais_charset, clean_latitude, clean_longitude, LatLonFormatError
  34 from ais.inputs.common import is_id4_active
  35 from ais.inputs.stats import STATS_DIR
  36 from ais.inputs.config import peers_get_config
  37 from ais import jobrunner
  38 from ais.djais.widgets import *
  39
  40 def auth(username, raw_password):
  41     try:
  42         user = User.objects.get(login=username)
  43     except User.DoesNotExist:
  44         return None
  45     if not user.check_password(raw_password):
  46         return None
  47     user.update_access_datetime()
  48     return user
  49
  50
  51 @http_authenticate(auth, 'ais')
  52 def index(request):
  53     news = News.objects.order_by('-created')[:5]
  54     return render_to_response('index.html', {'news':news}, RequestContext(request))
  55
  56
  57 class VesselSearchForm(forms.Form):
  58     def country_choices():
  59         choices = {}
  60         for mid, countryname in COUNTRIES_MID.iteritems():
  61             if choices.has_key(countryname):
  62                 choices[countryname] += u','+unicode(mid)
  63             else:
  64                 choices[countryname] = unicode(mid)
  65         choices = [ (countryname, mids) for mids, countryname in choices.iteritems() ]
  66         choices = sorted(choices, key=operator.itemgetter(1))
  67         return [(u'', u'Any')] + choices
  68
  69     name = forms.CharField(max_length=20, required=False)
  70     mmsi = forms.CharField(help_text=u'Maritime Mobile Service Identity', min_length=9, max_length=9, required=False)
  71     imo = forms.IntegerField(help_text=u'International Maritime Organization identifier assigned by Llyod', required=False)
  72     callsign = forms.CharField(max_length=7, required=False)
  73     flag = forms.ChoiceField(choices=country_choices(), required=False)
  74     destination = forms.CharField(max_length=20, required=False)
  75
  76     def clean(self):
  77         cleaned_data = self.cleaned_data
  78         for value in cleaned_data.values():
  79             if value:
  80                 return cleaned_data
  81         raise forms.ValidationError("You must enter at least one criteria")
  82
  83     def clean_mmsi(self):
  84         mmsi = self.cleaned_data['mmsi']
  85         if mmsi:
  86             try:
  87                 mmsi = strmmsi_to_mmsi(mmsi)
  88             except AssertionError:
  89                 raise forms.ValidationError("Invalid MMSI")
  90         return mmsi
  91
  92
  93 @http_authenticate(auth, 'ais')
  94 def vessel_search(request):
  95     if request.method == 'POST' or request.META['QUERY_STRING']:
  96         form = VesselSearchForm(request.REQUEST)
  97         if form.is_valid():
  98             data = form.cleaned_data
  99             vessels = Vessel.objects
 100             if data['mmsi']:
 101                 vessels = vessels.filter(mmsi=data['mmsi'])
 102             if data['name']:
 103                 vessels = vessels.filter(name__contains=data['name'].upper())
 104             if data['imo']:
 105                 vessels = vessels.filter(imo=data['imo'])
 106             if data['callsign']:
 107                 vessels = vessels.filter(callsign__contains=data['callsign'].upper())
 108             if data['destination']:
 109                 vessels = vessels.filter(destination__contains=data['destination'].upper())
 110             if data['flag']:
 111                 vessels = vessels.extra(where=['mmsi/1000000 IN (%s) ' % data['flag']])
 112             return render_to_response('vessels.html', {'vessels': vessels}, RequestContext(request))
 113     else: # GET
 114         form = VesselSearchForm()
 115
 116     return render_to_response('vessel_index.html', {'form': form}, RequestContext(request))
 117
 118 class SecondsWidget(forms.MultiWidget):
 119     '''
 120     A widget that splits period number and period type in a integer and a choice widgets
 121     Does not work well for more than a week, as month lengthes do vary.
 122     '''
 123     __periods = (
 124         (u'1', u'second(s)'),
 125         (u'60', u'minute(s)'),
 126         (u'3600', u'hour(s)'),
 127         (u'86400', u'day(s)'),
 128         (u'604800', u'week(s)'),
 129         (u'2592000', u'month(es)'))
 130
 131     def __init__(self, attrs=None):
 132         textattrs = { 'size': 3 }
 133         if attrs:
 134             textattrs.update(attrs)
 135         widgets = (
 136             forms.TextInput(attrs=textattrs),
 137             forms.Select(choices=self.__periods, attrs=attrs))
 138         super(SecondsWidget, self).__init__(widgets, attrs)
 139
 140     def decompress(self, value):
 141         if value:
 142             for period_second in reversed([int(sec_txt[0]) for sec_txt in self.__periods]):
 143                 if value >= period_second and not value % period_second:
 144                     return [ unicode(value // period_second), unicode(period_second) ]
 145         return [None, None]
 146
 147 class SecondsField(forms.MultiValueField):
 148     widget = SecondsWidget
 149
 150     def __init__(self, *args, **kargs):
 151         fields = (
 152             forms.IntegerField(),
 153             forms.CharField(),
 154         )
 155         forms.MultiValueField.__init__(self, fields=fields, *args, **kargs)
 156
 157     def compress(self, data_list):
 158         #print 'data_list=', data_list
 159         if data_list and data_list[0] is not None and data_list[1] is not None:
 160             try:
 161                 return data_list[0] * int(data_list[1])
 162             except ValueError:
 163                 pass
 164         return None
 165
 166 class HistoryForm(forms.Form):
 167     format = forms.ChoiceField(choices=(('animation', 'Animation (Google Earth v5)'), ('track', 'Track line (Google Earth)'), ('csv', 'Coma separated values (SpreadSheet)')), widget=forms.Select(attrs={'onchange': mark_safe("if (this.value=='csv') $('#csvhint').show(); else $('#csvhint').hide();")}))
 168     period_type = forms.ChoiceField(choices=(('duration', 'Duration until now'), ('date_date','Between two dates'), ('start_duration', 'Start date and duration')), widget=forms.RadioSelect(attrs={'onchange': mark_safe("show_hide_start_end_time(this.value);")}))
 169     start_date = forms.DateTimeField(required=False, widget=AisCalendarWidget(attrs={'class':'vDateField'}))
 170     duration = SecondsField(required=False, label='Period length', initial=7*86400)
 171     end_date = forms.DateTimeField(required=False, widget=AisCalendarWidget(attrs={'class':'vDateField'}))
 172     grain = SecondsField(label='One position every', initial=3600)
 173     filter_area = forms.ChoiceField(required=False, label='Only in area',
 174         choices=[ (u'', u'(Not filtered)') ] + [ (fn[1], fn[0]) for fn in list_areas() ] )
 175     filter_sog_le = forms.FloatField(required=False, label=u'Only if speed ≤ (knots)')
 176     filter_sog_ge = forms.FloatField(required=False, label=u'Only if speed ≥ (knots)')
 177     filter_destination = forms.CharField(required=False, label=u'Only if destination starts with', max_length=20, help_text=u'Use AIS upper case letters')
 178     #reference_latitude = forms.CharField(required=False)
 179     #reference_longitude = forms.CharField(required=False)
 180
 181     def clean_start_date(self):
 182         period_type = self.cleaned_data.get('period_type', None)
 183         start_date = self.cleaned_data.get('start_date', None)
 184         if period_type in (u'date_date', u'start_duration') and start_date is None:
 185             raise forms.ValidationError('That is field is required.')
 186         return start_date
 187
 188     def clean_duration(self):
 189         period_type = self.cleaned_data.get('period_type', None)
 190         duration = self.cleaned_data.get('duration', None)
 191         print 'duration=', duration
 192         if period_type in (u'duration', u'start_duration') and duration is None:
 193             raise forms.ValidationError('That is field is required.')
 194         return duration
 195
 196     def clean_end_date(self):
 197         period_type = self.cleaned_data.get('period_type', None)
 198         end_date = self.cleaned_data.get('end_date', None)
 199         if period_type in (u'date_date',) and end_date is None:
 200             raise forms.ValidationError('That is field is required.')
 201         return end_date
 202
 203     def clean_reference_latitude(self):
 204         lat = self.cleaned_data.get('reference_latitude', None)
 205         if lat is None:
 206             return None
 207         try:
 208             clean_lat = clean_latitude(lat)
 209         except LatLonFormatError, err:
 210             if len(err.args) > 1:
 211                 raise forms.ValidationError(err.args[0] % err.args[1:])
 212             else:
 213                 raise forms.ValidationError(*err.args)
 214         return lat # return the text
 215
 216     def clean_reference_longitude(self):
 217         lon = self.cleaned_data.get('reference_longitude', None)
 218         if lon is None:
 219             return None
 220         try:
 221             clean_lon = clean_longitude(lon)
 222         except LatLonFormatError, err:
 223             if len(err.args) > 1:
 224                 raise forms.ValidationError(err.args[0] % err.args[1:])
 225             else:
 226                 raise forms.ValidationError(*err.args)
 227         return lon # return the text
 228
 229     def clean(self):
 230         cleaned_data = self.cleaned_data
 231         period_type = self.cleaned_data.get('period_type', None)
 232         start_date = self.cleaned_data.get('start_date', None)
 233         end_date = self.cleaned_data.get('end_date', None)
 234         if period_type == u'date_date' and start_date is not None and end_date is not None:
 235             if start_date >= end_date:
 236                 self._errors["start_date"] = self.error_class(['Start date must be before end date.'])
 237         return cleaned_data
 238
 239     def get_cmdext(self):
 240         '''
 241         Must not be called unless is_valid
 242         Returns (command, extension)
 243         FIXME escape!
 244         '''
 245         data = self.cleaned_data
 246         format = data['format']
 247
 248         if format == u'track':
 249             command = u'show_targets_ships'
 250             command += u' --format=track'
 251             extension = u'kmz'
 252
 253         elif format == u'animation':
 254             command = u'show_targets_ships'
 255             command += u' --format=animation'
 256             extension = u'kmz'
 257
 258         elif format == u'csv':
 259             command = u'common'
 260             extension = u'csv'
 261         else:
 262             raise Http404(u'Invalid archive format')
 263
 264         date_start = data.get('start_date', None)
 265         if date_start:
 266             command += u' --start \'' + date_start.strftime('%Y%m%d') + u'\''
 267
 268         date_end = data.get('end_date', None)
 269         if date_end:
 270             command += u' --end \'' + date_end.strftime('%Y%m%d') + u'\''
 271
 272         duration = data.get('duration', None)
 273         if duration:
 274             command += u' --duration \'' + unicode(duration) + u'\''
 275
 276         grain = data['grain']
 277         command += u' --granularity ' + unicode(grain)
 278
 279         filter_area = data.get('filter_area', None)
 280         if filter_area:
 281             command += u' --filter-area \'' + filter_area + u'\''
 282
 283         filter_sog_le = data.get('filter_sog_le', None)
 284         if filter_sog_le:
 285             command += u' --filter-sog-le ' + unicode(filter_sog_le)
 286
 287         filter_sog_ge = data.get('filter_sog_ge', None)
 288         if filter_sog_ge:
 289             command += u' --filter-sog-ge ' + unicode(filter_sog_ge)
 290
 291         filter_destination = data.get('filter_destination', None)
 292         if filter_destination:
 293             command += u' --filter-destination \'' + filter_destination + u'\''
 294
 295         return command, extension
 296
 297
 298 @http_authenticate(auth, 'ais')
 299 def vessel(request, strmmsi):
 300     mmsi = strmmsi_to_mmsi(strmmsi)
 301     vessel = get_object_or_404(Vessel, pk=mmsi)
 302     nmea = Nmea.new_from_lastinfo(strmmsi)
 303     #if not nmea.timestamp_1 and not nmea.timestamp_5:
 304     #    raise Http404
 305     return render_to_response('vessel.html', {'nmea': nmea, 'form': HistoryForm()}, RequestContext(request))
 306
 307
 308 class VesselManualInputForm(forms.Form):
 309     timestamp = forms.DateTimeField(label=u'When', help_text=u'When was the observation made in GMT. Use YYYY-MM-DD HH:MM:SS format')
 310     imo = forms.IntegerField(required=False, min_value=1000000, max_value=9999999)
 311     name = forms.CharField(max_length=20, required=False)
 312     callsign = forms.CharField(max_length=7, required=False)
 313     type = forms.TypedChoiceField(required=False, choices = [ kv for kv in SHIP_TYPES.iteritems() if 'reserved' not in kv[1].lower()], coerce=int, empty_value=0, initial=0)
 314     status = forms.TypedChoiceField(required=False, choices = [ kv for kv in STATUS_CODES.iteritems() if 'reserved' not in kv[1].lower()], coerce=int, empty_value=AIS_STATUS_NOT_AVAILABLE, initial=AIS_STATUS_NOT_AVAILABLE)
 315     sog = forms.FloatField(label='Speed', help_text='Over ground, in knots', required=False, min_value=0, max_value=AIS_SOG_MAX_SPEED/AIS_SOG_SCALE)
 316     latitude = forms.CharField(required=False)
 317     longitude = forms.CharField(required=False)
 318     cog = forms.FloatField(label='Course', help_text='Over ground', required=False, min_value=0.0, max_value=359.9)
 319     heading = forms.IntegerField(required=False, min_value=0, max_value=359)
 320
 321     @staticmethod
 322     def _clean_ais_charset(ustr):
 323         ustr = remove_decoration(ustr) # benign cleaning, but can increase size (œ->oe)
 324         ustr = ustr.upper() # benign cleaning
 325         str = clean_ais_charset(ustr.encode('ascii', 'replace'))
 326         if unicode(str) != ustr:
 327             raise forms.ValidationError('Invalid character: AIS alphabet is @ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^- !"#$%&\'()*+,-./0123456789:;<=>?')
 328         return str
 329
 330     def clean_timestamp(self):
 331         data = self.cleaned_data['timestamp']
 332         if data is None:
 333             return None
 334         if data < datetime.utcnow() - timedelta(365):
 335             raise forms.ValidationError('Date is too much is the past.')
 336         if data > datetime.utcnow():
 337             raise forms.ValidationError('Date is be in the future. This form is only for observed results.')
 338         return datetime_to_timestamp(data)
 339
 340     def clean_imo(self):
 341         data = self.cleaned_data['imo']
 342         if data is None:
 343             return 0
 344         return data
 345
 346     def clean_name(self):
 347         name = self.cleaned_data['name']
 348         if name is None:
 349             return ''
 350         name = VesselManualInputForm._clean_ais_charset(name)
 351         if len(name)>20:
 352             raise forms.ValidationError('Ensure this value has at most 20 characters (it has %s).' % len(name))
 353         return name
 354
 355     def clean_callsign(self):
 356         callsign = self.cleaned_data['callsign']
 357         if callsign is None:
 358             return ''
 359         callsign = VesselManualInputForm._clean_ais_charset(callsign)
 360         if len(callsign)>7:
 361             raise forms.ValidationError('Ensure this value has at most 7 characters (it has %s).' % len(callsign))
 362         return callsign
 363
 364     def clean_sog(self):
 365         sog = self.cleaned_data['sog']
 366         if sog is None:
 367             return AIS_SOG_NOT_AVAILABLE
 368         return int(sog*AIS_SOG_SCALE)
 369
 370     def clean_latitude(self):
 371         #TODO: use ntools.clean_latitude
 372         data = self.cleaned_data['latitude']
 373         data = data.replace(u"''", u'"') # common mistake
 374         data = data.replace(u' ', u'') # remove spaces
 375         sides = u'SN'
 376         if not data:
 377             return AIS_LAT_NOT_AVAILABLE
 378         tmp, side = data[:-1], data[-1]
 379         if side == sides[0]:
 380             side = -1
 381         elif side == sides[1]:
 382             side = 1
 383         else:
 384             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 385         spl = tmp.split(u'°')
 386         if len(spl) == 1:
 387             raise forms.ValidationError(u'You need to use the ° character.')
 388         d, tmp = spl
 389         try:
 390             d = float(d)
 391         except ValueError:
 392             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 393         spl = tmp.split(u"'", 1)
 394         if len(spl) == 1:
 395             # no ' sign: ok only if there is nothing but the side after °
 396             # we don't accept seconds if there is no minutes:
 397             # It might be an entry mistake
 398             tmp = spl[0]
 399             if len(tmp) == 0:
 400                 m = s = 0
 401             else:
 402                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 403         else:
 404             m, tmp = spl
 405             try:
 406                 m = float(m)
 407             except ValueError:
 408                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 409             if len(tmp) == 0:
 410                 s = 0
 411             else:
 412                 if tmp[-1] != '"':
 413                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 414                 s = tmp[:-1]
 415                 try:
 416                     s = float(s)
 417                 except ValueError:
 418                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 419         data = side * ( d + m / 60 + s / 3600)
 420
 421         if data < -90 or data > 90:
 422             raise forms.ValidationError(u'%s in not in -90..90 range' % data)
 423         return int(data * AIS_LATLON_SCALE)
 424
 425     def clean_longitude(self):
 426         #TODO: use ntools.clean_latitude
 427         data = self.cleaned_data['longitude']
 428         data = data.replace(u"''", u'"') # common mistake
 429         data = data.replace(u' ', u'') # remove spaces
 430         sides = u'WE'
 431         if not data:
 432             return AIS_LON_NOT_AVAILABLE
 433         tmp, side = data[:-1], data[-1]
 434         if side == sides[0]:
 435             side = -1
 436         elif side == sides[1]:
 437             side = 1
 438         else:
 439             raise forms.ValidationError(u'Last character must be either %s or %s.' % (sides[0], sides[1]))
 440         spl = tmp.split(u'°')
 441         if len(spl) == 1:
 442             raise forms.ValidationError(u'You need to use the ° character.')
 443         d, tmp = spl
 444         try:
 445             d = float(d)
 446         except ValueError:
 447             raise forms.ValidationError(u'Degrees must be an number. It\'s %s.' % d)
 448         spl = tmp.split(u"'", 1)
 449         if len(spl) == 1:
 450             # no ' sign: ok only if there is nothing but the side after °
 451             # we don't accept seconds if there is no minutes:
 452             # It might be an entry mistake
 453             tmp = spl[0]
 454             if len(tmp) == 0:
 455                 m = s = 0
 456             else:
 457                 raise forms.ValidationError(u'You must use the \' character between ° and %s.' % data[-1])
 458         else:
 459             m, tmp = spl
 460             try:
 461                 m = float(m)
 462             except ValueError:
 463                 raise forms.ValidationError(u'Minutes must be an number. It\'s %s.' % m)
 464             if len(tmp) == 0:
 465                 s = 0
 466             else:
 467                 if tmp[-1] != '"':
 468                     raise forms.ValidationError(u'You must use the " character between seconds and %s.' % data[-1])
 469                 s = tmp[:-1]
 470                 try:
 471                     s = float(s)
 472                 except ValueError:
 473                     raise forms.ValidationError(u'Seconds must be an number. It\'s %s.' % s)
 474         data = side * ( d + m / 60 + s / 3600)
 475
 476         if data < -180 or data > 180:
 477             raise forms.ValidationError(u'%s in not in -180..180 range' % data)
 478         return int(data * AIS_LATLON_SCALE)
 479
 480     def clean_cog(self):
 481         data = self.cleaned_data['cog']
 482         if data is None:
 483             return AIS_COG_NOT_AVAILABLE
 484         return int(data * AIS_COG_SCALE)
 485
 486     def clean_heading(self):
 487         #raise forms.ValidationError(u'clean_heading called')
 488         data = self.cleaned_data['heading']
 489         if data is None:
 490             return AIS_NO_HEADING
 491         return data
 492
 493     def clean(self):
 494         cleaned_data = self.cleaned_data
 495         if (cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE ) ^ ( cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE):
 496             raise forms.ValidationError('It makes no sense to enter just a latitude or a longitude. Enter both or none.')
 497         if cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE:
 498             if cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) != AIS_STATUS_NOT_AVAILABLE:
 499                 raise forms.ValidationError('It makes no sense to enter a status without coordinates. Please enter latitute and longitude too.')
 500             if cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) != AIS_SOG_NOT_AVAILABLE:
 501                 raise forms.ValidationError('It makes no sense to enter a speed without coordinates. Please enter latitute and longitude too.')
 502             if cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) != AIS_COG_NOT_AVAILABLE:
 503                 raise forms.ValidationError('It makes no sense to enter a course without coordinates. Please enter latitute and longitude too.')
 504             if cleaned_data.get('heading', AIS_NO_HEADING) != AIS_NO_HEADING:
 505                 raise forms.ValidationError('It makes no sense to enter a heading without coordinates. Please enter latitute and longitude too.')
 506
 507         if cleaned_data.get('timestamp', None) \
 508         and cleaned_data.get('imo', 0) == 0 \
 509         and cleaned_data.get('name', '') == '' \
 510         and cleaned_data.get('callsign', '') == '' \
 511         and cleaned_data.get('type', 0) == 0 \
 512         and cleaned_data.get('status', AIS_STATUS_NOT_AVAILABLE) == AIS_STATUS_NOT_AVAILABLE \
 513         and cleaned_data.get('sog', AIS_SOG_NOT_AVAILABLE) == AIS_SOG_NOT_AVAILABLE \
 514         and cleaned_data.get('latitude', AIS_LAT_NOT_AVAILABLE) == AIS_LAT_NOT_AVAILABLE \
 515         and cleaned_data.get('longitude', AIS_LON_NOT_AVAILABLE) == AIS_LON_NOT_AVAILABLE \
 516         and cleaned_data.get('cog', AIS_COG_NOT_AVAILABLE) == AIS_COG_NOT_AVAILABLE \
 517         and cleaned_data.get('heading', AIS_NO_HEADING) == AIS_NO_HEADING:
 518             raise forms.ValidationError("You must enter some data, beside when.")
 519         return cleaned_data
 520
 521 @http_authenticate(auth, 'ais')
 522 def vessel_manual_input(request, strmmsi):
 523     strmmsi = strmmsi.encode('utf-8')
 524     nmea = Nmea.new_from_lastinfo(strmmsi)
 525     if request.method == 'POST' or request.META['QUERY_STRING']:
 526         form = VesselManualInputForm(request.REQUEST)
 527         if form.is_valid():
 528             data = form.cleaned_data
 529             source = 'U' +  struct.pack('<I', request.user.id)[0:3]
 530             result = u''
 531             if data['imo'] != 0 \
 532             or data['name'] != '' \
 533             or data['callsign'] != '' \
 534             or data['type'] != 0:
 535                 toto = (strmmsi, data['timestamp'], data['imo'], data['name'], data['callsign'], data['type'], 0,0,0,0, 0,0,24,60, 0, '', source)
 536                 result += 'UPDATING NMEA 5: '+repr(toto)+'<br>'
 537                 add_nmea5_partial(*toto)
 538             if data['status'] != AIS_STATUS_NOT_AVAILABLE \
 539             or data['sog'] != AIS_SOG_NOT_AVAILABLE \
 540             or data['latitude'] != AIS_LAT_NOT_AVAILABLE \
 541             or data['longitude'] != AIS_LON_NOT_AVAILABLE \
 542             or data['cog'] != AIS_COG_NOT_AVAILABLE \
 543             or data['heading'] != AIS_NO_HEADING:
 544                 toto = (strmmsi, data['timestamp'], data['status'], AIS_ROT_NOT_AVAILABLE, data['sog'], data['latitude'], data['longitude'], data['cog'], data['heading'], source)
 545                 result += 'UPDATING NMEA 1: '+repr(toto)+'<br>'
 546                 add_nmea1(*toto)
 547             return HttpResponse('Not fully implemented: '+repr(data) + '<br>' + result)
 548     else: # GET
 549         form = VesselManualInputForm()
 550     return render_to_response('vessel_manual_input.html', {'form': form, 'nmea': nmea}, RequestContext(request))
 551
 552
 553 @http_authenticate(auth, 'ais')
 554 def vessel_lastpos(request, strmmsi):
 555     value = kml_to_kmz(format_fleet([ strmmsi ], document_name=strmmsi).encode('utf-8'))
 556     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 557     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % strmmsi
 558     return response
 559
 560 @http_authenticate(auth, 'ais')
 561 def vessel_history(request, strmmsi):
 562     """
 563     TODO
 564     That view is called from Google Earth, so that it must support GET method.
 565     """
 566     initial = {}
 567     if request.method == 'POST':
 568         form = HistoryForm(request.POST, initial=initial)
 569         if form.is_valid():
 570             command, extension = form.get_cmdext()
 571
 572             command += u' ' + strmmsi
 573
 574             job = Job()
 575             job.queue_time = datetime.utcnow()
 576             job.friendly_filename = u'%s.%s' % (strmmsi, extension)
 577             job.user = request.user
 578             job.command = command
 579             job.save()
 580             if not jobrunner.wakeup_daemon():
 581                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 582             return HttpResponseRedirect('/job/%s/download' % job.id)
 583     else: # GET
 584         form = HistoryForm(initial=initial)
 585     strmmsi = strmmsi.encode('utf-8')
 586     nmea = Nmea.new_from_lastinfo(strmmsi)
 587     return render_to_response('vessel_history.html', {'nmea': nmea, 'form':form}, RequestContext(request))
 588
 589
 590 @http_authenticate(auth, 'ais')
 591 def fleets(request):
 592     fleetusers = request.user.fleetuser_set.order_by('fleet')
 593     return render_to_response('fleets.html', {'fleetusers':fleetusers}, RequestContext(request))
 594
 595
 596 @http_authenticate(auth, 'ais')
 597 def fleet(request, fleetname):
 598     fleet = get_object_or_404(Fleet, name=fleetname)
 599     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 600         return HttpResponseForbidden('<h1>Forbidden</h1>')
 601     return render_to_response('fleet.html', {'fleet':fleet}, RequestContext(request))
 602
 603
 604 class FleetEditForm(forms.Form):
 605     name = forms.CharField(max_length=50)
 606     description = forms.CharField(widget=forms.Textarea)
 607
 608     def clean_name(self):
 609         name = self.cleaned_data['name']
 610         if name == u'add':
 611             raise forms.ValidationError("Sorry that name is reserved. Try another one.")
 612         if name != self.initial.get('name', None):
 613             if Fleet.objects.filter(name=name).count():
 614                 raise forms.ValidationError("Sorry that fleet name is already in use. Try another one.")
 615         return remove_decoration(name).replace(u' ', u'_')
 616
 617
 618 @http_authenticate(auth, 'ais')
 619 def fleet_edit(request, fleetname):
 620     initial = {}
 621     if fleetname is not None:
 622         fleet = get_object_or_404(Fleet, name=fleetname)
 623         if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 624             return HttpResponseForbidden('<h1>Forbidden</h1>')
 625
 626         initial['name'] = fleet.name
 627         initial['description'] = fleet.description
 628     else:
 629         fleet = Fleet()
 630
 631     if request.method == 'POST':
 632         form = FleetEditForm(request.POST, initial=initial)
 633         if form.is_valid():
 634             fleet.name = form.cleaned_data['name']
 635             fleet.description = form.cleaned_data['description']
 636             fleet.save()
 637             if not fleetname: # new one
 638                 fu = FleetUser()
 639                 fu.fleet = fleet
 640                 fu.user = request.user
 641                 fu.save()
 642             request.user.info('Fleet updated')
 643             return HttpResponseRedirect('/fleet/%s/' % fleet.name)
 644     else: # GET
 645         form = FleetEditForm(initial=initial)
 646     return render_to_response('fleet_edit.html', {'fleet':fleet, 'form':form}, RequestContext(request))
 647
 648
 649 @http_authenticate(auth, 'ais')
 650 def fleet_vessels(request, fleetname):
 651     fleet = get_object_or_404(Fleet, name=fleetname)
 652     if not FleetUser.objects.filter(fleet=fleet, user=request.user.id).all():
 653         return HttpResponseForbidden('<h1>Forbidden</h1>')
 654     vessels = fleet.vessel.all()
 655     return render_to_response('fleet_vessels.html', {'fleet':fleet, 'vessels': vessels}, RequestContext(request))
 656
 657
 658 @http_authenticate(auth, 'ais')
 659 def fleet_vessel_add(request, fleetname):
 660     fleet = get_object_or_404(Fleet, name=fleetname)
 661     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 662         return HttpResponseForbidden('<h1>Forbidden</h1>')
 663     strmmsi = request.REQUEST['mmsi']
 664     mmsi = strmmsi_to_mmsi(strmmsi)
 665     try:
 666         vessel = Vessel.objects.get(pk=mmsi)
 667     except Vessel.DoesNotExist:
 668         request.user.error('No such vessel')
 669     else:
 670         try:
 671             fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 672         except FleetVessel.DoesNotExist:
 673             FleetVessel(fleet=fleet, vessel=vessel).save()
 674             request.user.info(u'Vessel %s added to fleet %s.' % (vessel.name, fleetname))
 675         else:
 676             request.user.error('Vessel with MMSI %s is already in that fleet' % strmmsi)
 677     return HttpResponseRedirect('/fleet/%s/list' % fleetname)
 678
 679
 680 class FleetAddVessel(forms.Form):
 681     mmsi = forms.CharField(help_text=u'Enter one MMSI per line', required=False, widget=forms.Textarea)
 682     #name = forms.CharField(max_length=20, required=False)
 683     #imo = forms.IntegerField(required=False)
 684     #callsign = forms.CharField(max_length=7, required=False)
 685     #destination = forms.CharField(max_length=20, required=False)
 686     def clean(self):
 687         cleaned_data = self.cleaned_data
 688         for value in cleaned_data.values():
 689             if value:
 690                 return cleaned_data
 691         raise forms.ValidationError("You must enter at least one criteria")
 692
 693 @http_authenticate(auth, 'ais')
 694 def fleet_vessel_add2(request, fleetname):
 695     fleet = get_object_or_404(Fleet, name=fleetname)
 696     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 697         return HttpResponseForbidden('<h1>Forbidden</h1>')
 698     if request.method == 'POST' or request.META['QUERY_STRING']:
 699         form = FleetAddVessel(request.REQUEST)
 700         if form.is_valid():
 701             data = form.cleaned_data
 702             result = []
 703             a_strmmsi = request.REQUEST['mmsi']
 704             if a_strmmsi:
 705                 for strmmsi in a_strmmsi.split('\n'):
 706                     strmmsi = strmmsi.strip('\r')
 707                     if not strmmsi:
 708                         continue
 709                     try:
 710                         sqlmmsi = strmmsi_to_mmsi(strmmsi)
 711                     except AssertionError:
 712                         result.append('Invalid mmsi %s' % strmmsi)
 713                         continue
 714                     try:
 715                         vessel = Vessel.objects.get(pk=sqlmmsi)
 716                     except Vessel.DoesNotExist:
 717                         result.append('No vessel with MMSI '+strmmsi)
 718                         continue
 719                     try:
 720                         fv = FleetVessel.objects.get(fleet=fleet, vessel=vessel)
 721                         result.append('Vessel with MMSI %s is already in that fleet' % strmmsi)
 722                     except FleetVessel.DoesNotExist:
 723                         FleetVessel(fleet=fleet, vessel=vessel).save()
 724                         result.append('Vessel with MMSI %s added' % strmmsi)
 725
 726             return HttpResponse('<br>'.join(result))
 727     else: # GET
 728         form = FleetAddVessel()
 729
 730     return render_to_response('fleet_vessel_add.html', {'form': form, 'fleet': fleet}, RequestContext(request))
 731
 732
 733 @http_authenticate(auth, 'ais')
 734 def fleet_users(request, fleetname):
 735     fleet = get_object_or_404(Fleet, name=fleetname)
 736     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 737         return HttpResponseForbidden('<h1>Forbidden</h1>')
 738
 739     if request.method == 'POST' or request.META['QUERY_STRING']:
 740         action = request.REQUEST['action']
 741         userlogin = request.REQUEST['user']
 742         try:
 743             user = User.objects.get(login=userlogin)
 744         except User.DoesNotExist:
 745             request.user.error(u'User %s does not exist.' % userlogin)
 746         else:
 747             if action == u'add':
 748                 try:
 749                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 750                     request.user.error(u'User %s already has access.' % user.login)
 751                 except FleetUser.DoesNotExist:
 752                     FleetUser(fleet=fleet, user=user).save()
 753                     #TODO log
 754                     request.user.info(u'Granted access to user %s.' % user.login)
 755             elif action == u'revoke':
 756                 try:
 757                     fu = FleetUser.objects.get(fleet=fleet, user=user)
 758                     fu.delete()
 759                     #TODO log
 760                     request.user.info(u'Revoked access to user %s.' % user.login)
 761                     if FleetUser.objects.filter(fleet=fleet).count() == 0:
 762                         fleet.delete()
 763                         request.user.info(u"Deleted fleet %s (no more users)." % fleet.name)
 764                         return HttpResponseRedirect('/fleet/')
 765                 except FleetUser.DoesNotExist:
 766                     request.user.error(u'User %s didn\'t have access.' % user.login)
 767             else:
 768                 request.user.error(u'Unknown action %s' % action)
 769
 770     fleetusers = fleet.fleetuser_set.all()
 771     otherusers = User.objects.exclude(id__in=[fu.user.id for fu in fleetusers]).order_by('name')
 772     return render_to_response('fleet_users.html', {'fleet':fleet, 'fleetusers': fleetusers, 'otherusers': otherusers}, RequestContext(request))
 773
 774
 775 @http_authenticate(auth, 'ais')
 776 def fleet_lastpos(request, fleetname):
 777     fleet = get_object_or_404(Fleet, name=fleetname)
 778     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 779         return HttpResponseForbidden('<h1>Forbidden</h1>')
 780     fleet_uset = load_fleet_to_uset(fleet.id)
 781     value = kml_to_kmz(format_fleet(fleet_uset, document_name=fleetname+' fleet').encode('utf-8'))
 782     response = HttpResponse(value, mimetype="application/vnd.google-earth.kmz")
 783     response['Content-Disposition'] = 'attachment; filename=%s.kmz' % fleetname
 784     return response
 785
 786 @http_authenticate(auth, 'ais')
 787 def fleet_history(request, fleetname):
 788     fleet = get_object_or_404(Fleet, name=fleetname)
 789     if not FleetUser.objects.filter(fleet=fleet.id, user=request.user.id).all():
 790         return HttpResponseForbidden('<h1>Forbidden</h1>')
 791     initial = {}
 792     if request.method == 'POST':
 793         form = HistoryForm(request.POST, initial=initial)
 794         if form.is_valid():
 795             command, extension = form.get_cmdext()
 796
 797             command += u' @' + fleetname
 798
 799             job = Job()
 800             job.queue_time = datetime.utcnow()
 801             job.friendly_filename = u'%s.%s' % (fleetname, extension)
 802             job.user = request.user
 803             job.command = command
 804             job.save()
 805             if not jobrunner.wakeup_daemon():
 806                 return HttpResponseServerError(jobrunner.DAEMON_WAKEUP_ERROR)
 807             return HttpResponseRedirect('/job/%s/download' % job.id)
 808     else: # GET
 809         form = HistoryForm(initial=initial)
 810     return render_to_response('fleet_history.html', {'fleet': fleet, 'form':form}, RequestContext(request))
 811
 812
 813 @http_authenticate(auth, 'ais')
 814 def jobs_index(request):
 815     show_archive = request.REQUEST.has_key('archive')
 816     if show_archive:
 817         jobs = request.user.job_set.all()
 818     else:
 819         jobs = request.user.job_set.filter(archive_time__isnull=True)
 820
 821     response = render_to_response('jobs.html', {'jobs': jobs, 'queue_size': Job.queue_size(), 'archive': show_archive }, RequestContext(request))
 822     response['Refresh'] = 15
 823     return response
 824
 825 @http_authenticate(auth, 'ais')
 826 def job_detail(request, jobid):
 827     job = get_object_or_404(Job, id=jobid)
 828     if job.user != request.user:
 829         return HttpResponseForbidden('403 Forbidden')
 830     response = render_to_response('job.html', {'job': job, 'queue_size': Job.queue_size()}, RequestContext(request))
 831     if not job.finish_time:
 832         response['Refresh'] = 5
 833     elif not job.archive_time:
 834         # finished but not archived:
 835         response['Refresh'] = '0;url=https://' + request.get_host() + '/job/%s/download' % job.id
 836         # careful not to modify other unschronized columns
 837         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 838     return response
 839
 840 @http_authenticate(auth, 'ais')
 841 def job_get(request, jobid):
 842     job = get_object_or_404(Job, id=jobid)
 843     if job.user != request.user:
 844         return HttpResponseForbidden('403 Forbidden')
 845     total_wait = 0
 846     while not job.finish_time:
 847         sleep(1)
 848         total_wait += 1
 849         if total_wait > 15:
 850             request.user.info('Your query is slow. Please be patient.')
 851             # TODO: Do not overwrite job.finishtime / result
 852             if not job.notify:
 853                 # careful not to modify other unschronized columns
 854                 Job.objects.filter(id=jobid).update(notify = 'W') # Web
 855             return HttpResponseRedirect('/job/%s/' % job.id)
 856         job = get_object_or_404(Job, id=jobid)
 857
 858     if not job.archive_time:
 859         # careful not to modify other unschronized columns
 860         Job.objects.filter(id=jobid).update(archive_time = datetime.utcnow())
 861
 862     if job.result:
 863         # Error occured
 864          return HttpResponseRedirect('/job/%s/' % job.id)
 865     extension = os.path.splitext(job.friendly_filename)[-1]
 866     return HttpResponseRedirect('/job_result/%s%s/%s' % (job.id, extension, job.friendly_filename))
 867
 868 @http_authenticate(auth, 'ais')
 869 def users(request):
 870     users = User.objects.order_by('name')
 871     for user in users:
 872         user.admin_ok = user.is_admin_by(request.user.id)
 873     if request.REQUEST.has_key('showtree'):
 874         local_users = {}
 875         for user in users:
 876             user.children = []
 877             local_users[user.id] = user
 878         for user in users:
 879             if user.father_id == None:
 880                 root = user
 881             else:
 882                 local_users[user.father_id].children.append(user)
 883         assert root
 884         return render_to_response('users_tree.html', {'root': root, 'auser': request.user.id}, RequestContext(request))
 885     else:
 886         return render_to_response('users.html', {'users':users}, RequestContext(request))
 887
 888 phone_re = re.compile('^\\+.+')
 889
 890 class UserEditForm(forms.Form):
 891     login = forms.RegexField(regex=r'^[a-zA-Z0-9_]+$', max_length=16,
 892         error_message ='Login must only contain letters, numbers and underscores')
 893     name = forms.CharField(max_length=50)
 894     email = forms.EmailField()
 895     phone = forms.RegexField(regex='\\+.+', max_length=20, required=False,
 896         error_message ='Phones must start with a \'+\'')
 897     def __init__(self, *args, **kargs):
 898         forms.Form.__init__(self, *args, **kargs)
 899         self.old_login = kargs['initial']['login']
 900     def clean_login(self):
 901         new_login = self.cleaned_data['login']
 902         if new_login != self.old_login:
 903             if User.objects.filter(login=new_login).count():
 904                 raise forms.ValidationError("Sorry that login is already in use. Try another one.")
 905             if new_login == u'add':
 906                 raise forms.ValidationError("Sorry that login is reserved. Try another one.")
 907         return new_login
 908
 909 @http_authenticate(auth, 'ais')
 910 def user_detail(request, login):
 911     user = get_object_or_404(User, login=login)
 912     user.admin_ok = user.is_admin_by(request.user.id)
 913     return render_to_response('user_detail.html', {'auser': user}, RequestContext(request))
 914
 915 @http_authenticate(auth, 'ais')
 916 def user_edit(request, login):
 917     initial = {}
 918     if login:
 919         user = get_object_or_404(User, login=login)
 920         if not user.is_admin_by(request.user.id):
 921             return HttpResponseForbidden('403 Forbidden')
 922     else:
 923         user = User()
 924         user.father_id = request.user.id;
 925     initial['login'] = user.login
 926     initial['name'] = user.name
 927     initial['email'] = user.email
 928     initial['phone'] = user.phone
 929     if request.method == 'POST':
 930         form = UserEditForm(request.POST, initial=initial)
 931         if form.is_valid():
 932             user.login = form.cleaned_data['login']
 933             user.name = form.cleaned_data['name']
 934             user.email = form.cleaned_data['email']
 935             user.phone = form.cleaned_data['phone']
 936             user.save()
 937             user.check_sandbox_access(request.user)
 938             return HttpResponseRedirect('/user/')
 939     else: # GET
 940         form = UserEditForm(initial=initial)
 941
 942     return render_to_response('user_edit.html', {'form':form, 'auser': user}, RequestContext(request))
 943
 944
 945 class ChangePasswordForm(forms.Form):
 946     new_password = forms.CharField(max_length=16, widget=forms.PasswordInput())
 947     new_password_check = forms.CharField(max_length=16, widget=forms.PasswordInput())
 948
 949     def clean_generic_password(self, field_name):
 950         password = self.cleaned_data[field_name]
 951         try:
 952             crack.FascistCheck(password)
 953         except ValueError, err:
 954             raise forms.ValidationError(err.message)
 955         return password
 956
 957     def clean_new_password(self):
 958         return self.clean_generic_password('new_password')
 959
 960     def clean_new_password_check(self):
 961         return self.clean_generic_password('new_password_check')
 962
 963     def clean(self):
 964         cleaned_data = self.cleaned_data
 965         pass1 = cleaned_data.get('new_password')
 966         pass2 = cleaned_data.get('new_password_check')
 967         if pass1 != pass2 and pass2:
 968             self._errors['new_password_check'] = forms.util.ErrorList(['Passwords must match'])
 969             del cleaned_data['new_password_check'] # FIXME
 970         return cleaned_data
 971
 972
 973 @http_authenticate(auth, 'ais')
 974 def user_change_password(request, login):
 975     user = get_object_or_404(User, login=login)
 976     if not user.is_admin_by(request.user.id):
 977         return HttpResponseForbidden('403 Forbidden')
 978     if request.method == 'POST':
 979         form = ChangePasswordForm(request.POST)
 980         if form.is_valid():
 981             user.set_password(form.cleaned_data['new_password'])
 982             user.save()
 983             return HttpResponseRedirect('/user/')
 984     else: # GET
 985         form = ChangePasswordForm()
 986     return render_to_response('user_change_password.html', {'form':form, 'auser':user}, RequestContext(request))
 987
 988
 989 @http_authenticate(auth, 'ais')
 990 def user_delete(request, login):
 991     user = get_object_or_404(User, login=login)
 992     if not user.is_admin_by(request.user.id):
 993         return HttpResponseForbidden('403 Forbidden')
 994     if request.REQUEST.get('confirm', None):
 995         user.delete()
 996         return HttpResponseRedirect('/user/')
 997     return render_to_response('user_delete.html', {'form':None, 'auser':user}, RequestContext(request))
 998
 999
1000 def logout(request):
1001     # TODO
1002     return HttpResponse('Not implemented')
1003     #response = render_to_response('logout.html', {}, RequestContext(request))
1004     #return response
1005
1006 periods = ({
1007     'name_tiny': '2h',
1008     'name_long': '2 hours',
1009     'seconds': 2*60*60
1010     }, {
1011     'name_tiny': '6h',
1012     'name_long': '6 hours',
1013     'seconds': 6*60*60,
1014     'default': True,
1015     }, {
1016     'name_tiny': '2d',
1017     'name_long': '2 days',
1018     'seconds': 2*24*60*60
1019     }, {
1020     'name_tiny': '14d',
1021     'name_long': '2 weeks',
1022     'seconds': 14*24*60*60
1023     }, {
1024     'name_tiny': '90d',
1025     'name_long': '3 monthes',
1026     'seconds': 90*24*60*60
1027     }, {
1028     'name_tiny': '180d',
1029     'name_long': '6 monthes',
1030     'seconds': 180*24*60*60
1031     })
1032
1033 class StatsSelectorForm(forms.Form):
1034     peers = forms.ChoiceField(choices=[('', 'All')] + [(id4,source['name']) for id4,source in peers_get_config().iteritems()])
1035     types = forms.ChoiceField(choices=[('', 'All'), ('bytes', 'Bandwidth'), ('counts', "Packet'izer")], initial='counts')
1036     periods = forms.ChoiceField(choices=[(period['name_tiny'], period['name_long']) for period in periods] + [('', 'All')], initial='2d')
1037
1038 @http_authenticate(auth, 'ais')
1039 def sources_index(request):
1040     ACTIVE_MINUTES = 5
1041     peers_config = peers_get_config()
1042     peers_display = []
1043     for id4, peer in peers_config.iteritems():
1044         peer['id4'] = id4
1045         peer['id2'] = id4[2:]
1046         peer['active'] = is_id4_active(id4, 60*ACTIVE_MINUTES)
1047         peers_display.append(peer)
1048
1049     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1050
1051     form = StatsSelectorForm()
1052
1053     response = render_to_response('sources_index.html', {'sources':peers_display, 'active_minutes': ACTIVE_MINUTES, 'form': form}, RequestContext(request))
1054     response['Refresh'] = 60*ACTIVE_MINUTES
1055     return response
1056
1057
1058 @http_authenticate(auth, 'ais')
1059 def sources_stats(request):
1060     filter_peers = request.REQUEST.get('peers', None)
1061     if filter_peers:
1062         filter_peers = filter_peers.split(u',')
1063
1064     peers_config = peers_get_config()
1065     peers_display = []
1066
1067     for id4, peer in peers_config.iteritems():
1068         if filter_peers:
1069             if unicode(id4) not in filter_peers:
1070                 continue
1071         peer['id4'] = id4
1072         peers_display.append(peer)
1073
1074     peers_display = sorted(peers_display, key=lambda k: k['id4'])
1075
1076     filter_types = request.REQUEST.get('types', None)
1077     if filter_types:
1078         filter_types = filter_types.split(u',')
1079     else:
1080         filter_types = [ 'bytes', 'counts' ]
1081     logging.error('filter_types=%s', filter_types)
1082
1083     filter_periods = request.REQUEST.get('periods', None)
1084     if filter_periods:
1085         display_periods = []
1086         for period_name in filter_periods.split(u','):
1087             for period in periods:
1088                 if period['name_tiny'] == period_name:
1089                     display_periods.append(period)
1090     else:
1091         display_periods = periods
1092     #logging.error('display_periods=%s', display_periods)
1093
1094
1095     now = int(get_timestamp())
1096     for config in peers_display:
1097         id4 = config['id4']
1098         for period in periods:
1099             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-bytes.png'), \
1100                 '--lazy', \
1101                 '-l', '0', \
1102                 '--title', config['name'] + ' - Bandwidth usage - ' + period['name_long'], \
1103                 '--start', '%d' % (now - period['seconds']), \
1104                 '--end', '%d' % now, \
1105                 '--vertical-label', 'bps', \
1106                 'DEF:bytes=%s:bytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1107                 'DEF:rawbytes=%s:rawbytes:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1108                 'CDEF:bits=bytes,8,*', \
1109                 'CDEF:rawbits=rawbytes,8,*', \
1110                 'LINE:bits#00FF00:IP payload', \
1111                 'LINE:rawbits#FF0000:IP with headers'
1112             rrdtool.graph(*args)
1113             args = os.path.join(STATS_DIR, id4+'-'+period['name_tiny']+'-counts.png'), \
1114                 '--lazy', \
1115                 '-l', '0', \
1116                 '--title', config['name'] + ' - Packet\'izer stats - ' + period['name_long'], \
1117                 '--start', '%d' % (now-period['seconds']), \
1118                 '--end', '%d' % now, \
1119                 '--vertical-label', 'Hz', \
1120                 'DEF:packets=%s:packets:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1121                 'DEF:lines=%s:lines:AVERAGE' % os.path.join(STATS_DIR, id4+'.rrd'), \
1122                 'LINE:packets#FF0000:input packets', \
1123                 'LINE:lines#00FF00:AIVDM lines'
1124             rrdtool.graph(*args)
1125     return render_to_response('sources.html', {'sources':peers_display, 'show_bytes': 'bytes' in filter_types,  'show_counts': 'counts' in filter_types, 'periods': display_periods}, RequestContext(request))
1126
1127
1128 @http_authenticate(auth, 'ais')
1129 def news(request, page):
1130     NEWS_PER_PAGE = 5
1131     if page:
1132         page = int(page)
1133     else:
1134         page = 1
1135     npages = int((News.objects.count() + NEWS_PER_PAGE - 1) // NEWS_PER_PAGE)
1136     news = News.objects.order_by('-created')[(page - 1) * NEWS_PER_PAGE : page * NEWS_PER_PAGE]
1137     return render_to_response('news.html', {'news':news, 'page': page, 'npages': npages}, RequestContext(request))
1138
1139 @http_authenticate(auth, 'ais')
1140 def news_atom(request):
1141     from django.db import connection
1142
1143     news = News.objects.order_by('-created')
1144
1145     cursor = connection.cursor()
1146     cursor.execute("SELECT MAX(updated) FROM news")
1147     row = cursor.fetchone()
1148     last_update = row[0]
1149
1150     return render_to_response('news.atom', {'news':news, 'last_update':last_update}, RequestContext(request), mimetype='application/atom+xml')