def getArcRoutes(arcServ='eida.gfz-potsdam.de', arcPort=18001):
"""Connects via telnet to an Arclink server to get routing information.
The data is saved in the file ``routing.xml``. Generally used to start
operating with an EIDA default configuration.
:param arcServ: Arclink server address
:type arcServ: str
:param arcPort: Arclink server port
:type arcPort: int
.. warning::
In the future this method should not be used and the configuration should
be independent from Arclink. Namely, the ``routing.xml`` file must exist in
advance.
"""
logs = Logs(4)
tn = telnetlib.Telnet(arcServ, arcPort)
tn.write('HELLO\n')
# FIXME The institution should be detected here. Shouldn't it?
logs.info(tn.read_until('GFZ', 5))
tn.write('user routing@eida\n')
logs.debug(tn.read_until('OK', 5))
tn.write('request routing\n')
logs.debug(tn.read_until('OK', 5))
tn.write('1920,1,1,0,0,0 2030,1,1,0,0,0 * * * *\nEND\n')
reqID = 0
while not reqID:
text = tn.read_until('\n', 5).splitlines()
for line in text:
try:
testReqID = int(line)
except:
continue
if testReqID:
reqID = testReqID
myStatus = 'UNSET'
logs.debug('\n' + myStatus)
while (myStatus in ('UNSET', 'PROCESSING')):
sleep(1)
tn.write('status %s\n' % reqID)
stText = tn.read_until('END', 15)
stStr = 'status='
oldStatus = myStatus
myStatus = stText[stText.find(stStr) + len(stStr):].split()[0]
myStatus = myStatus.replace('"', '').replace("'", "")
if myStatus == oldStatus:
logs.debug('.')
else:
logs.debug('\n' + myStatus)
if myStatus != 'OK':
logs.error('Error! Request status is not OK.\n')
return
tn.write('download %s\n' % reqID)
routTable = tn.read_until('END', 180)
start = routTable.find('<')
logs.info('\nLength: %s\n' % routTable[:start])
here = os.path.dirname(__file__)
try:
os.remove(os.path.join(here, 'routing.xml.download'))
except:
pass
with open(os.path.join(here, 'routing.xml.download'), 'w') as fout:
fout.write(routTable[routTable.find('<'):-3])
try:
os.rename(os.path.join(here, './routing.xml'),
os.path.join(here, './routing.xml.bck'))
except:
pass
try:
os.rename(os.path.join(here, './routing.xml.download'),
os.path.join(here, './routing.xml'))
except:
pass
logs.info('Routing information succesfully read from Arclink!\n')
def getArcInv(arcServ='eida.gfz-potsdam.de', arcPort=18001):
"""Connects via telnet to an Arclink server to get inventory information.
The data is saved in the file ``Arclink-inventory.xml``. Generally used to
start operating with an EIDA default configuration.
:param arcServ: Arclink server address
:type arcServ: str
:param arcPort: Arclink server port
:type arcPort: int
.. deprecated:: since version 1.0.2
.. warning::
In the future this method should not be used and the configuration should
be independent from Arclink. Namely, the ``routing.xml`` file must exist in
advance.
"""
logs = Logs(4)
tn = telnetlib.Telnet(arcServ, arcPort)
tn.write('HELLO\n')
# FIXME The institution should be detected here. Shouldn't it?
logs.info(tn.read_until('GFZ', 5))
tn.write('user routing@eida\n')
logs.debug('\nuser routing@eida')
logs.debug(tn.read_until('OK', 5))
tn.write('request inventory\n')
logs.debug('\nrequest inventory')
logs.debug(tn.read_until('OK', 5))
tn.write('1920,1,1,0,0,0 2030,1,1,0,0,0 * * * *\nEND\n')
logs.debug('\n1920,1,1,0,0,0 2030,1,1,0,0,0 * * * *\nEND')
reqID = 0
while not reqID:
text = tn.read_until('\n', 5).splitlines()
for line in text:
try:
testReqID = int(line)
except:
continue
if testReqID:
reqID = testReqID
logs.debug('status %s\n' % reqID)
myStatus = 'UNSET'
logs.debug('\n' + myStatus)
while (myStatus in ('UNSET', 'PROCESSING')):
sleep(1)
tn.write('status %s\n' % reqID)
stText = tn.read_until('END', 15)
stStr = 'status='
oldStatus = myStatus
myStatus = stText[stText.find(stStr) + len(stStr):].split()[0]
myStatus = myStatus.replace('"', '').replace("'", "")
if myStatus == oldStatus:
logs.debug('.')
else:
logs.debug('\n' + myStatus)
if myStatus != 'OK':
logs.error('Error! Request status is not OK.\n')
return
tn.write('download %s\n' % reqID)
logs.debug('download %s\n' % reqID)
here = os.path.dirname(__file__)
try:
os.remove(os.path.join(here, 'Arclink-inventory.xml.download'))
except:
pass
# Write the downloaded file
with open(os.path.join(here, 'Arclink-inventory.xml.download'), 'w') \
as fout:
#try:
fd = tn.get_socket().makefile('rb+')
# Read the size of the inventory
length = fd.readline(100).strip()
# Max number of retries
maxRet = 8
while not isinstance(length, int) and maxRet:
try:
length = int(length)
except:
sleep(1)
tn.write('download %s\n' % reqID)
logs.debug('Retrying! download %s\n' % reqID)
length = fd.readline(100).strip()
maxRet -= 1
logs.info('\nExpected size: %s\n' % length)
bytesRead = 0
while bytesRead < length:
buf = fd.read(min(4096, length - bytesRead))
bytesRead += len(buf)
bar = '|' + '=' * int(bytesRead * 100 / (2 * length)) + \
' ' * int((length - bytesRead) * 100 / (2 * length)) + '|'
logs.debug('\r%s' % bar)
fout.write(buf)
buf = fd.readline(100).strip()
if buf != "END" or bytesRead != length:
raise Exception('Wrong length!')
#finally:
# tn.write('PURGE %d\n' % reqID)
try:
os.rename(os.path.join(here, './Arclink-inventory.xml'),
os.path.join(here, './Arclink-inventory.xml.bck'))
except:
pass
try:
os.rename(os.path.join(here, './Arclink-inventory.xml.download'),
os.path.join(here, './Arclink-inventory.xml'))
except:
pass
logs.info('\nInventory read from Arclink!\n')
