487 lines
17 KiB
Plaintext
Executable File
487 lines
17 KiB
Plaintext
Executable File
#!/usr/bin/env seiscomp-python
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from __future__ import print_function
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from getopt import getopt, GetoptError
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from time import time, gmtime
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from datetime import datetime
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import os, sys, signal, glob, re
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from seiscomp.myconfig import MyConfig
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import seiscomp.slclient
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import seiscomp.kernel, seiscomp.config
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usage_info = """
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Usage:
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slmon [options]
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SeedLink monitor creating static web pages
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Options:
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-h, --help display this help message
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-c ini_setup = arg
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-s ini_stations = arg
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-t refresh = float(arg) # XXX not yet used
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-v verbose = 1
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Examples:
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Start slmon from the command line
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slmon -c $SEISCOMP_ROOT/var/lib/slmon/config.ini
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Restart slmon in order to update the web pages. Use crontab entries for
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automatic restart, e.g.:
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*/3 * * * * /home/sysop/seiscomp/bin/seiscomp check slmon >/dev/null 2>&1
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"""
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def usage(exitcode=0):
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sys.stderr.write(usage_info)
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exit(exitcode)
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try:
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seiscompRoot=os.environ["SEISCOMP_ROOT"]
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except:
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print("\nSEISCOMP_ROOT must be defined - EXIT\n", file=sys.stderr)
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usage(exitcode=2)
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ini_stations = os.path.join(seiscompRoot,'var/lib/slmon/stations.ini')
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ini_setup = os.path.join(seiscompRoot,'var/lib/slmon/config.ini')
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regexStreams = re.compile("[SLBVEH][HNLG][ZNE123]")
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verbose = 0
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class Module(seiscomp.kernel.Module):
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def __init__(self, env):
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seiscomp.kernel.Module.__init__(self, env, env.moduleName(__file__))
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def printCrontab(self):
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print("3 * * * * %s/bin/seiscomp check slmon >/dev/null 2>&1" % (self.env.SEISCOMP_ROOT))
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class Status:
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def __repr__(self):
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return "%2s %-5s %2s %3s %1s %s %s" % \
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(self.net, self.sta, self.loc, self.cha, self.typ, \
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str(self.last_data), str(self.last_feed))
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class StatusDict(dict):
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def __init__(self, source=None):
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if source:
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self.read(source)
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def fromSlinkTool(self,server="",stations=["GE_MALT","GE_MORC","GE_IBBN"]):
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# later this shall use XML
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cmd = "slinktool -nd 10 -nt 10 -Q %s" % server
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print(cmd)
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f = os.popen(cmd)
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# regex = re.compile("[SLBVEH][HNLG][ZNE123]")
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regex = regexStreams
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for line in f:
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net_sta = line[:2].strip() + "_" + line[3:8].strip()
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if not net_sta in stations:
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continue
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typ = line[16]
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if typ != "D":
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continue
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cha = line[12:15].strip()
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if not regex.match(cha):
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continue
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d = Status()
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d.net = line[ 0: 2].strip()
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d.sta = line[ 3: 8].strip()
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d.loc = line[ 9:11].strip()
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d.cha = line[12:15]
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d.typ = line[16]
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d.last_data = seiscomp.slclient.timeparse(line[47:70])
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d.last_feed = d.last_data
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sec = "%s_%s" % (d.net, d.sta)
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sec = "%s.%s.%s.%s.%c" % (d.net, d.sta, d.loc, d.cha, d.typ)
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self[sec] = d
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def read(self, source):
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if type(source) == str:
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source = file(source)
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if type(source) == file:
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source = source.readlines()
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if type(source) != list:
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raise TypeError('cannot read from %s' % str(type(source)))
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for line in source:
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d = Status()
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d.net = line[ 0: 2]
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d.sta = line[ 3: 8].strip()
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d.loc = line[ 9:11].strip()
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d.cha = line[12:15]
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d.typ = line[16]
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d.last_data = seiscomp.slclient.timeparse(line[18:41])
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d.last_feed = seiscomp.slclient.timeparse(line[42:65])
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if d.last_feed < d.last_data:
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d.last_feed = d.last_data
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sec = "%s_%s:%s.%s.%c" % (d.net, d.sta, d.loc, d.cha, d.typ)
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self[sec] = d
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def write(self, f):
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if type(f) is str:
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f = file(f, "w")
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lines = []
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for key in list(self.keys()):
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lines.append(str(self[key]))
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lines.sort()
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f.write('\n'.join(lines)+'\n')
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def colorLegend(htmlfile):
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htmlfile.write("<p><center>Latencies:<br>\n" \
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"<table cellpadding='2' cellspacing='1' border='0'" \
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" bgcolor='#000000'>\n<tr>\n" \
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"<td bgcolor='#FFFFFF'><b>≤ 1 min </b></td>\n" \
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"<td bgcolor='#EBD6FF'><b>> 1 min </b></td>\n" \
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"<td bgcolor='#9470BB'><font color='#FFFFFF'><b>> 10 min </b></font></td>\n" \
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"<td bgcolor='#3399FF'><font color='#FFFFFF'><b>> 30 min </b></font></td>\n" \
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"<td bgcolor='#00FF00'><b>> 1 hour </b></td>\n" \
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"<td bgcolor='#FFFF00'><b>> 2 hours </b></td>\n" \
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"<td bgcolor='#FF9966'><b>> 6 hours </b></td>\n" \
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"<td bgcolor='#FF3333'><b>> 1 day </b></td>\n" \
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"<td bgcolor='#FFB3B3'><b>> 2 days </b></td>\n" \
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"<td bgcolor='#CCCCCC'><b>> 3 days </b></td>\n" \
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"<td bgcolor='#999999'><font color='#FFFFFF'><b>> 4 days </b></font></td>\n" \
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"<td bgcolor='#666666'><font color='#FFFFFF'><b>> 5 days </b></font></td>\n" \
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"</tr>\n</table>\n</center></p>\n")
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# encodes an email address so that it cannot (easily) be extracted
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# from the web page. This is meant to be a spam protection.
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def encode(txt): return ''.join(["&#%d;" % ord(c) for c in txt])
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def total_seconds(td): return td.seconds + (td.days*86400)
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def pageTrailer(htmlfile, config):
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htmlfile.write("<hr>\n" \
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"<table width='99%%' cellpaddding='2' cellspacing='1' border='0'>\n" \
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"<tr>\n<td>Last updated %04d/%02d/%02d %02d:%02d:%02d UTC</td>\n" \
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" <td align='right'><a href='%s' " \
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"target='_top'>%s</a></td>\n</tr>\n" \
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"</table>\n</body></html>\n" % (gmtime()[:6] + (config['setup']['linkurl'],) + (config['setup']['linkname'],)) )
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def getColor(delta):
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delay = total_seconds(delta)
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if delay > 432000: return '#666666' # > 5 days
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elif delay > 345600: return '#999999' # > 4 days
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elif delay > 259200: return '#CCCCCC' # > 3 days
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elif delay > 172800: return '#FFB3B3' # > 2 days
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elif delay > 86400: return '#FF3333' # > 1 day
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elif delay > 21600: return '#FF9966' # > 6 hours
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elif delay > 7200: return '#FFFF00' # > 2 hours
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elif delay > 3600: return '#00FF00' # > 1 hour
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elif delay > 1800: return '#3399FF' # > 30 minutes
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elif delay > 600: return '#9470BB' # > 10 minutes
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elif delay > 60: return '#EBD6FF' # > 1 minute
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else: return '#FFFFFF' # <= 1 minute
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TDdummy = "<td align='center' bgcolor='%s'><tt>n/a</tt></td>"
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def TDf(delta, col="#ffffff"):
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if delta is None: return TDdummy % col
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t = total_seconds(delta)
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if t > 86400: x = "%.1f d" % (t/86400.)
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elif t > 7200: x = "%.1f h" % (t/3600.)
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elif t > 120: x = "%.1f m" % (t/60.)
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else: x = "%.1f s" % (t)
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return "<td align='right' bgcolor='%s'><tt> %s </tt></td>" % \
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(col,x)
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def TDt(t, col="#ffffff"):
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if t is None: return TDdummy % col
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x = t.strftime("%Y/%m/%d %H:%M:%S")
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return "<td align='center' bgcolor='%s'><tt> %s </tt></td>" % \
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(col,x)
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def myrename(name1, name2):
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# fault-tolerant rename that doesn't cause an exception if it fails, which
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# may happen e.g. if the target is on a non-reachable NFS directory
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try:
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os.rename(name1, name2)
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except OSError:
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print("failed to rename(%s,%s)" % (name1, name2), file=sys.stderr)
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def makeMainHTML(config):
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global status
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now = datetime.utcnow()
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stations = []
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streams = [ x for x in list(status.keys()) if regexStreams.search(x) ]
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streams.sort()
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tmp_rt = []
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tmp_du = []
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for label in streams:
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lat1 = now - status[label].last_data # XXX
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lat2 = now - status[label].last_feed # XXX
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lat3 = lat1-lat2 # XXX
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if lat3 == 0.: lat3 = lat2 = None
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if label[-2]=='.' and label[-1] in "DE":
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label = label[:-2]
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n,s,x,x = label.split(".")
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if s in stations: continue # avoid duplicates for different locations
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stations.append(s)
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net_sta = "%s_%s" % (n,s)
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line = "<tr bgcolor='#ffffff'><td><tt> %s <a " \
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"href='%s.html'>%s</a> </td>%s%s%s</tr>" \
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% (n, net_sta, s, TDf(lat1, getColor(lat1)),
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TDf(lat2, getColor(lat2)),
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TDf(lat3, getColor(lat3)))
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if config.station[net_sta]['type'][:4] == 'real':
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tmp_rt.append(line)
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else: tmp_du.append(line)
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makeStatHTML(net_sta, config)
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try: os.makedirs(config['setup']['wwwdir'])
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except: pass
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temp = "%s/tmp.html" % config['setup']['wwwdir']
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dest = "%s/index.html" % config['setup']['wwwdir']
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table_begin = """
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<table cellpaddding='2' cellspacing='1' border='0' bgcolor='#000000'>
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<tr>
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<th bgcolor='#ffffff' rowspan='2' align='center'>Station</th>
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<th bgcolor='#ffffff' colspan='3' align='center'>Latencies</th>
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</tr>
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<tr>
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<th bgcolor='#ffffff' align='center'>Data</th>
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<th bgcolor='#ffffff' align='center'>Feed</th>
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<th bgcolor='#ffffff' align='center'>Diff.</th>
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</tr>
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"""
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table_end = """
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</table>
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"""
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htmlfile = open(temp, "w")
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htmlfile.write("""<html>
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<head>
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<title>%s</title>
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<meta http-equiv='refresh' content='%d'>
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<link rel='SHORTCUT ICON' href='%s'>
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</head>
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<body bgcolor='#ffffff'>
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<center><font size='+2'>%s</font></center>\n""" % \
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( config['setup']['title'], int(config['setup']['refresh']),
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config['setup']['icon'], config['setup']['title']))
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htmlfile.write("<center><table cellpaddding='5' cellspacing='5'><tr>\n")
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if len(tmp_rt):
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htmlfile.write("<td valign='top' align='center'>\n" \
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"<font size='+1'>Real-time stations<font>\n</td>\n")
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if len(tmp_du):
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htmlfile.write("<td valign='top' align='center'>\n" \
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"<font size='+1'>Dial-up stations<font>\n</td>\n")
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htmlfile.write("</tr><tr>")
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if len(tmp_rt):
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htmlfile.write("<td valign='top' align='center'>\n")
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htmlfile.write(table_begin)
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htmlfile.write("\n".join(tmp_rt))
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htmlfile.write(table_end)
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htmlfile.write("</td>\n")
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if len(tmp_du):
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htmlfile.write("<td valign='top' align='center'>\n")
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htmlfile.write(table_begin)
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htmlfile.write("\n".join(tmp_du))
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htmlfile.write(table_end)
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htmlfile.write("</td>\n")
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htmlfile.write("</tr></table></center>\n")
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colorLegend(htmlfile)
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pageTrailer(htmlfile, config)
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htmlfile.close()
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myrename(temp, dest)
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def makeStatHTML(net_sta, config):
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global status
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try: os.makedirs(config['setup']['wwwdir'])
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except: pass
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temp = "%s/tmp2.html" % config['setup']['wwwdir']
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dest = "%s/%s.html" % ( config['setup']['wwwdir'], net_sta)
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htmlfile = open(temp, "w")
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htmlfile.write("""<html>
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<head>
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<title>%s - Station %s</title>
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<meta http-equiv='refresh' content='%d'>
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<link rel='SHORTCUT ICON' href='%s'>
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</head>
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<body bgcolor='#ffffff'>
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<center><font size='+2'>%s - Station %s</font>\n""" % \
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( config['setup']['title'], net_sta, int(config['setup']['refresh']),
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config['setup']['icon'],
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config['setup']['title'], net_sta.split("_")[-1]))
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try:
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name = config.station[net_sta]['info']
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htmlfile.write("<br><font size='+1'>%s</font>" % name)
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except: pass
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htmlfile.write("</center>\n")
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if 'text' in config.station[net_sta]:
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htmlfile.write("<P>%s</P>\n" % config.station[net_sta]['text'])
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htmlfile.write("""<p><center>
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<table cellpadding='2' cellspacing='1' border='0' bgcolor='#000000'>
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<tr>
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<th bgcolor='#ffffff' align='center' rowspan='2'>Station/<br>Channel</th>
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<th bgcolor='#ffffff' align='center' colspan='2'>Data</th>
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<th bgcolor='#ffffff' align='center' colspan='2'>Feed</th>
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<th bgcolor='#ffffff' align='center' rowspan='2'>Diff.</th>
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</tr>
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<tr>
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<th bgcolor='#ffffff' align='center'>Last Sample</th>
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<th bgcolor='#ffffff' align='center'>Latency</th>
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<th bgcolor='#ffffff' align='center'>Last Received</th>
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<th bgcolor='#ffffff' align='center'>Latency</th>
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</tr>""")
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now = datetime.utcnow()
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netsta2=net_sta.replace("_",".")
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streams = [ x for x in list(status.keys()) if x.find(netsta2)==0 ]
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streams.sort()
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for label in streams:
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tim1 = status[label].last_data
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tim2 = status[label].last_feed
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lat1, lat2, lat3 = now-tim1, now-tim2, tim2-tim1
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col1, col2, col3 = getColor(lat1), getColor(lat2), getColor(lat3)
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if lat1==lat2: lat2 = lat3 = None
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if label[-2]=='.' and label[-1] in "DE":
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label = label[:-2]
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n,s,loc,c = label.split(".")
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c = ("%s.%s" % (loc,c)).strip(".")
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htmlfile.write("<tr bgcolor='#ffffff'><td>" \
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"<tt> %s %s </td>%s%s%s%s%s</tr>\n" \
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% (s, c, TDt(tim1, col1), TDf(lat1, col1),
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TDt(tim2, col2), TDf(lat2, col2),
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TDf(lat3, col3)))
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htmlfile.write("</table></p>\n")
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colorLegend(htmlfile)
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htmlfile.write("<p>\nHow to <a href='http://geofon.gfz-potsdam.de/waveform/status/latency.php' target='_blank'>interpret</a> " \
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"these numbers?<br>\n")
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if 'liveurl' in config['setup']:
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# substitute '%s' in live_url by station name
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url = config['setup']['liveurl'] % s
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htmlfile.write("View a <a href='%s' target='_blank'>live seismogram</a> of "
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"station %s</center>\n" % (url, s))
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htmlfile.write("</p>\n")
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pageTrailer(htmlfile, config)
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htmlfile.close()
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myrename(temp, dest)
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def read_ini():
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global config, ini_setup, ini_stations
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print("\nreading setup config from '%s'" % ini_setup)
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if not os.path.isfile(ini_setup):
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print("[error] setup config '%s' does not exist" % ini_setup, file=sys.stderr)
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usage(exitcode=2)
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config = MyConfig(ini_setup)
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print("reading station config from '%s'" % ini_stations)
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if not os.path.isfile(ini_stations):
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print("[error] station config '%s' does not exist" % ini_stations, file=sys.stderr)
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usage(exitcode=2)
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config.station = MyConfig(ini_stations)
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def SIGINT_handler(signum, frame):
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global status
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print("received signal #%d => will write status file and exit" % signum)
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# status.write("status.tab")
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sys.exit(0)
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try:
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opts, args = getopt(sys.argv[1:], "c:s:t:hv")
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except GetoptError:
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print("\nUnknown option in "+str(sys.argv[1:])+" - EXIT.", file=sys.stderr)
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usage(exitcode=2)
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for flag, arg in opts:
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if flag == "-c": ini_setup = arg
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if flag == "-s": ini_stations = arg
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if flag == "-t": refresh = float(arg) # XXX not yet used
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if flag == "-h": usage(exitcode=0)
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if flag == "-v": verbose = 1
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signal.signal(signal.SIGHUP, SIGINT_handler)
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signal.signal(signal.SIGINT, SIGINT_handler)
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signal.signal(signal.SIGQUIT, SIGINT_handler)
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signal.signal(signal.SIGTERM, SIGINT_handler)
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read_ini()
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cha = "???"
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loc = ""
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s = config.station
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net_sta = ["%s_%s" % (s[k]['net'],s[k]['sta']) for k in s]
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s_arg = ','.join(net_sta)
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streams = [ (s[k]['net'],s[k]['sta'],loc,cha) for k in s ]
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if 'server' in config['setup']:
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server = config['setup']['server']
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else: server = "localhost"
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#def read_initial(config):
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#
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# for s in config.station:
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# print s,glob.glob("/home/dcop/seedlink/%s/segments/*" % s)
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# for f in glob.glob("/home/dcop/seedlink/%s/segments/*" % s):
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# print f
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#
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#read_initial(config)
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#print "reading initial time windows from file 'status.tab'"
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#status = StatusDict("status.tab")
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status = StatusDict()
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#if verbose: status.write(sys.stderr)
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print("generating output to '%s'" % config['setup']['wwwdir'])
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print("getting initial time windows from SeedLink server '%s'" % server)
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status.fromSlinkTool(server, stations=net_sta)
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if verbose: status.write(sys.stderr)
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nextTimeGenerateHTML = time()
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print("setting up connection to SeedLink server '%s'" % server)
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input = seiscomp.slclient.Input(server, streams)
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for rec in input:
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id = '.'.join([rec.net, rec.sta, rec.loc, rec.cha, rec.rectype])
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# if not id in status: continue # XXX XXX XXX
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try:
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status[id].last_data = rec.end_time
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status[id].last_feed = datetime.utcnow()
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except:
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|
continue
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if time() > nextTimeGenerateHTML:
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makeMainHTML(config)
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nextTimeGenerateHTML = time() + int(config['setup']['refresh'])
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