def get_data(self,query):
#
# Return points or bins of data for query
#
response_data = ""
self.logger.debug("QueryParser(): get_data(): Build COMMAND")
self.logger.debug("QueryParser(): get_data(): Get data for uri:%s.%s" % (
query['sta'],query['chan']))
if not query['sta']:
response_data = "Not valid station value"
self.logger.error(response_data)
return { "ERROR": response_data }
if not query['chan']:
response_data = "Not valid channel value "
self.logger.error(response_data)
return { "ERROR": response_data }
start = isNumber(query['start'])
end = isNumber(query['end'])
if not start:
temp_dic = self.stations(query['sta'][0])
if temp_dic:
start = temp_dic[query['chan'][0]]['end'] - \
self.config.default_time_window
#if not start: start = stock.now()
if not end: end = start + self.config.default_time_window
tempdb = self.dbcentral(start)
if not tempdb:
response_data = "Not valid database for this time [%s]" % start
self.logger.error(response_data)
return { "ERROR": response_data }
regex = "-s 'sta=~/%s/ && chan=~/%s/' " % (query['sta'],query['chan'])
if query['filter'] != 'None':
filter = "-f '%s'" % query['filter']
else:
filter = ""
if query['coverage']:
coverage = "-b "
else:
coverage = ""
if query['realtime']:
realtime = "-r "
else:
realtime = ""
if query['precision']:
precision = "-q %s" % query['precision']
else:
precision = ""
if query['median']:
median = "-a "
else:
median = ""
if query['calibrate']:
calibrate = "-c "
else:
calibrate = ""
if query['period']:
period = "-t %s" % query['period']
else:
period = ""
if query['page']:
page = "-p %s" % query['page']
else:
page = ""
run = "dbwfserver_extract %s %s %s %s %s %s %s %s %s -n %s -m %s %s %s %s 2>&1" % (
regex, coverage, filter, page, calibrate, precision, realtime,
median, period, self.config.max_traces, self.config.max_points,
tempdb, start, end
)
self.logger.info("QueryParser(): get_data(): Extraction command: [%s]" % run)
# Method 1
#master, slave = pty.openpty()
#pipe = Popen(run, stdin=PIPE, stdout=slave, stderr=slave, close_fds=True, shell=True)
#stdout = os.fdopen(master)
#return stdout.readline()
# Method 2
return os.popen(run).read().replace('\n', '')
def get_data(self, query):
#
# Return points or bins of data for query
#
response_data = ""
self.logger.debug("QueryParser(): get_data(): Build COMMAND")
self.logger.debug("QueryParser(): get_data(): Get data for uri:%s.%s" %
(query['sta'], query['chan']))
if not query['sta']:
response_data = "Not valid station value"
self.logger.error(response_data)
return {"ERROR": response_data}
if not query['chan']:
response_data = "Not valid channel value "
self.logger.error(response_data)
return {"ERROR": response_data}
start = isNumber(query['start'])
end = isNumber(query['end'])
if not start:
temp_dic = self.stations(query['sta'][0])
if temp_dic:
start = temp_dic[query['chan'][0]]['end'] - \
self.config.default_time_window
#if not start: start = stock.now()
if not end: end = start + self.config.default_time_window
tempdb = self.dbcentral(start)
if not tempdb:
response_data = "Not valid database for this time [%s]" % start
self.logger.error(response_data)
return {"ERROR": response_data}
regex = "-s 'sta=~/%s/ && chan=~/%s/' " % (query['sta'], query['chan'])
if query['filter'] != 'None':
filter = "-f '%s'" % query['filter']
else:
filter = ""
if query['coverage']:
coverage = "-b "
else:
coverage = ""
if query['realtime']:
realtime = "-r "
else:
realtime = ""
if query['precision']:
precision = "-q %s" % query['precision']
else:
precision = ""
if query['median']:
median = "-a "
else:
median = ""
if query['calibrate']:
calibrate = "-c "
else:
calibrate = ""
if query['period']:
period = "-t %s" % query['period']
else:
period = ""
if query['page']:
page = "-p %s" % query['page']
else:
page = ""
run = "dbwfserver_extract %s %s %s %s %s %s %s %s %s -n %s -m %s %s %s %s 2>&1" % (
regex, coverage, filter, page, calibrate, precision, realtime,
median, period, self.config.max_traces, self.config.max_points,
tempdb, start, end)
self.logger.info(
"QueryParser(): get_data(): Extraction command: [%s]" % run)
# Method 1
#master, slave = pty.openpty()
#pipe = Popen(run, stdin=PIPE, stdout=slave, stderr=slave, close_fds=True, shell=True)
#stdout = os.fdopen(master)
#return stdout.readline()
# Method 2
return os.popen(run).read().replace('\n', '')
def _parse_request(self,args):
"""
Strict format for uri:
localhost/wf/sta/chan/time/time/page
Data-only calls:
localhost/data/wf
localhost/data/times
localhost/data/events
localhost/data/filters
localhost/data/stations
localhost/data/coverage
localhost/data/channels
localhost/data/wf/sta/chan/time/time/page
"""
self.logger.debug("QueryParser(): _parse_request(): URI: %s" % str(args) )
uri = {}
time_window = float(self.config.default_time_window)
uri.update( {
"sta":[],
"chan":[],
"end":0,
"data":False,
"start":0,
"page":1,
"coverage":0,
"time_window":False
} )
if 'data' in args:
self.logger.info("QueryParser() _parse_request(): data query!")
uri['data'] = True
args.remove('data')
# localhost/sta
if len(args) > 1:
uri['sta'] = args[1]
# localhost/sta/chan
if len(args) > 2:
uri['chan'] = args[2]
# localhost/sta/chan/time
if len(args) > 3:
uri['start'] = args[3]
# localhost/sta/chan/time/time
if len(args) > 4:
uri['end'] = args[4]
# localhost/sta/chan/time/time/page
if len(args) > 5:
uri['page'] = args[5]
#
# Fix start
#
if uri['start']:
if isNumber(uri['start']):
uri['start'] = isNumber(uri['start'])
elif uri['start'] == 'hour':
uri['start'] = 0
time_window = 3600
elif uri['start'] == 'day':
uri['start'] = 0
time_window = 86400
elif uri['start'] == 'week':
uri['start'] = 0
time_window = 604800
elif uri['start'] == 'month':
uri['start'] = 0
time_window = 2629743
else:
uri['start'] = 0
#
# Fix end
#
if uri['end']:
if isNumber(uri['end']):
uri['end'] = isNumber(uri['end'])
elif uri['end'] == 'hour':
uri['end'] = 0
time_window = 3600
elif uri['end'] == 'day':
uri['end'] = 0
time_window = 86400
elif uri['end'] == 'week':
uri['end'] = 0
time_window = 604800
elif uri['end'] == 'month':
uri['end'] = 0
time_window = 2629743
else:
uri['end'] = 0
#
# Build missing times if needed
#
if uri['sta'] and uri['chan']:
if not uri['start'] :
uri['end'] = self.stations.max_time()
uri['start'] = uri['end'] - time_window
uri['end'] = isNumber(uri['end'])
uri['start'] = isNumber(uri['start'])
if not uri['end']:
uri['end'] = uri['start'] + time_window
self.logger.debug("QueryParser(): _parse_request(): [sta:%s chan:%s start:%s end:%s]" % (uri['sta'], uri['chan'], uri['start'], uri['end']) )
return uri
def _parse_request(self, args):
"""
Strict format for uri:
localhost/wf/sta/chan/time/time/page
Data-only calls:
localhost/data/wf
localhost/data/times
localhost/data/events
localhost/data/filters
localhost/data/stations
localhost/data/coverage
localhost/data/channels
localhost/data/wf/sta/chan/time/time/page
"""
self.logger.debug("QueryParser(): _parse_request(): URI: %s" %
str(args))
uri = {}
time_window = float(self.config.default_time_window)
uri.update({
"sta": [],
"chan": [],
"end": 0,
"data": False,
"start": 0,
"page": 1,
"coverage": 0,
"time_window": False
})
if 'data' in args:
self.logger.info("QueryParser() _parse_request(): data query!")
uri['data'] = True
args.remove('data')
# localhost/sta
if len(args) > 1:
uri['sta'] = args[1]
# localhost/sta/chan
if len(args) > 2:
uri['chan'] = args[2]
# localhost/sta/chan/time
if len(args) > 3:
uri['start'] = args[3]
# localhost/sta/chan/time/time
if len(args) > 4:
uri['end'] = args[4]
# localhost/sta/chan/time/time/page
if len(args) > 5:
uri['page'] = args[5]
#
# Fix start
#
if uri['start']:
if isNumber(uri['start']):
uri['start'] = isNumber(uri['start'])
elif uri['start'] == 'hour':
uri['start'] = 0
time_window = 3600
elif uri['start'] == 'day':
uri['start'] = 0
time_window = 86400
elif uri['start'] == 'week':
uri['start'] = 0
time_window = 604800
elif uri['start'] == 'month':
uri['start'] = 0
time_window = 2629743
else:
uri['start'] = 0
#
# Fix end
#
if uri['end']:
if isNumber(uri['end']):
uri['end'] = isNumber(uri['end'])
elif uri['end'] == 'hour':
uri['end'] = 0
time_window = 3600
elif uri['end'] == 'day':
uri['end'] = 0
time_window = 86400
elif uri['end'] == 'week':
uri['end'] = 0
time_window = 604800
elif uri['end'] == 'month':
uri['end'] = 0
time_window = 2629743
else:
uri['end'] = 0
#
# Build missing times if needed
#
if uri['sta'] and uri['chan']:
if not uri['start']:
uri['end'] = self.stations.max_time()
uri['start'] = uri['end'] - time_window
uri['end'] = isNumber(uri['end'])
uri['start'] = isNumber(uri['start'])
if not uri['end']:
uri['end'] = uri['start'] + time_window
self.logger.debug(
"QueryParser(): _parse_request(): [sta:%s chan:%s start:%s end:%s]"
% (uri['sta'], uri['chan'], uri['start'], uri['end']))
return uri
