def sep_(sl, local, name, width, prefix, fillchar):
"""Make separator line for sepBegin, sepEnd."""
# sl Falsey -> separator line is returned but not logged.
if local: ts, sep = _dt.locut(_dt.utcut()), 'L'
else: ts, sep = _dt.utcut(), 'U'
sep = '{}{} '.format(prefix, _dt.ut2iso(ts, sep=sep))
if name:
sep += '{} '.format(name)
n = width - len(sep)
if n > 0:
sep += n * fillchar
if sl:
sl._log(sep)
return sep
def ownHeartbeat(uu=None):
me = 'ownHeartbeat'
logrec = None
try:
if uu is None:
uu = _dt.utcut()
ul = _dt.locut(uu)
uuts = '%15.4f' % uu # 15.4, unblanked fraction.
uuiosfs = _dt.ut2isofs(uu)
uliosfs = _dt.ut2isofs(ul)
rxts = txts = uuts
kvs = {'_id': SRCID, '_si': SUBID,
'_el': HB_EL, '_sl': HB_SL,
'_ip': None, '_ts': uuts,
'dt_loc': uliosfs, 'dt_utc': uuiosfs}
kvsa = json.dumps(kvs, ensure_ascii=True, sort_keys=True)
kvsab = kvsa.encode(encoding=ENCODING, errors=ERRORS)
h = hashlib.sha1()
h.update(kvsab)
sha1x = h.hexdigest()
_ = '\t'
logrec = '%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s' %('1', _, rxts, _, txts, _, SRCID, _, SUBID, _, HB_EL, _, HB_SL, _, sha1x, _, kvsa)
except Exception as E:
errmsg = '%s: %s @ %s' % (me, E, _m.tblineno())
DOSQUAWK(errmsg)
raise
finally:
return logrec
def update_ts(utcut=None):
global UTC_TS, UTC_UT, UTC_TS_STR, UTC_YMD, UTC_HMS, LOC_YMD, LOC_HMS
me = 'update_ts(%r)' % utcut
try:
if utcut:
UTC_TS = utcut
else:
UTC_TS = _dt.utcut()
UTC_TS_STR = '{:15.4f}'.format(UTC_TS)
UTC_UT = int(UTC_TS) # Truncate to integer.
utc = time.gmtime(UTC_UT)
loc = time.localtime(UTC_UT)
UTC_YMD = '%02d%02d%02d' % (utc.tm_year % 100, utc.tm_mon, utc.tm_mday)
UTC_HMS = '%02d%02d%02d' % (utc.tm_hour, utc.tm_min, utc.tm_sec)
LOC_YMD = '%02d%02d%02d' % (loc.tm_year % 100, loc.tm_mon, loc.tm_mday)
LOC_HMS = '%02d%02d%02d' % (loc.tm_hour, loc.tm_min, loc.tm_sec)
except Exception as E:
errmsg = '{}: {} @ {}'.format(me, E, m.tblineno())
DOSQUAWK(errmsg)
raise
def watcherThread():
"""A thread to watch WPATH for files to process."""
global LOADRECS, FFWDB, FWTRUNNING, FWTSTOP, FWTSTOPPED
LOADRECS = []
me = 'watcher thread'
try:
FWTRUNNING = True
assert XLOGDB, 'no XLOGDB'
# Connect to FlatFileWatchDataBase.
FFWDB = ffwdb.FFWDB(FFWDBPFN)
assert FFWDB, 'no FFWDB'
uu = 0 # Unix Utc.
while not FWTSTOP:
#
flushHeartbeats()
# Wait out INTERVAL.
z = time.time()
w = INTERVAL - (z - uu)
if w > 0:
_sw.wait(w)
uu = _dt.utcut()
ul = _dt.locut(uu)
uuts = '%15.4f' % uu # 15.4, unblanked fraction.
uuiosfs = _dt.ut2isofs(uu)
uliosfs = _dt.ut2isofs(ul)
# Heartbeat?
if OWNHEARTBEAT:
logrec = ownHeartbeat(uu)
addHeartbeat(logrec)
# Files?
t0 = time.perf_counter();
fis = getFIs(uu)
t1 = time.perf_counter();
if TIMINGS:
_sl.warning(' getFIs: {:9,.1f} ms'.format((1000*(t1-t0))))
if not fis:
errmsg = 'no logfiles @ ' + uliosfs
raise Exception(errmsg)
# Update FFWDB.
# Freshen the "acquired" timestamp.
# Delete entries for nonexistent files.
t0 = time.perf_counter();
filenames = [fi['filename'] for fi in fis]
filenames.sort()
# Compare real (nf) and db (nx) counts.
nf = len(filenames)
nx = FFWDB.count()
if nf < nx:
nf, nx = nf, nx
elif nf > nx:
nf, nx = nf, nx
else:
nf, nx = nf, nx
FFWDB.acquired(filenames, uu)
for fi in fis:
z = updateDB(fi)
t1 = time.perf_counter();
if TIMINGS:
_sl.warning('updateDBs: {:9,.1f} ms'.format((1000*(t1-t0))))
# Find the oldest, newest unfinished files in DB.
t0 = time.perf_counter();
o_dbfi, n_dbfi = FFWDB.oldestnewest('u')
t1 = time.perf_counter();
if TIMINGS:
_sl.warning(' oldest: {:9,.1f} ms'.format((1000*(t1-t0))))
# Something unfinished?
if o_dbfi:
fn = o_dbfi['filename']
historical = (fn != n_dbfi['filename'])
# Export the file.
exportFile(historical, o_dbfi) # !CHANGE!
# Move oldest finished file?
# It must not be the only, and therefore "live", file.
if DONESD:
o_dbfi, n_dbfi = FFWDB.oldestnewest('f')
if o_dbfi and (n_dbfi['filename'] != o_dbfi['filename']):
t0 = time.perf_counter();
doneWithFile(o_dbfi['filename'])
t1 = time.perf_counter();
if TIMINGS:
_sl.warning(' moved: {:9,.1f} ms'.format((1000*(t1-t0))))
if ONECHECK:
FWTSTOP = True
except KeyboardInterrupt as E:
_m.beeps(1)
# watcherThread:
msg = '1: {}: KeyboardInterrupt: {}'.format(me, E)
_sl.warning(msg)
###---DOSQUAWK(errmsg, beeps=1)
pass###raise # Let the thread exit. Avoids "Exception in thread...".
except Exception as E:
errmsg = '%s: E: %s @ %s' % (me, E, _m.tblineno())
DOSQUAWK(errmsg)
raise
finally:
# Flush heartbeats and loadrecs.
flushHeartbeats()
loadrecs2db()
if FWTSTOP:
FWTSTOPPED = True
FFWDB.disconnect()
_sl.info('%s exits. STOPPED: %s' % (me, str(FWTSTOPPED)))
FWTRUNNING = False
testfn = '151213-01.log' # 174,586 bytes.
testfn = '151213-02.log' # 48,894 bytes.
historical = False
testfi = FFWDB.select(testfn)
###!!!testfi['processed'] = 0
# 1/2: Optionally append stuff to logfile to
# simulate intraprocess mofification.
# 151213-02.log -> 50,262 bytes.
# Doing this here causes no export bcs testfi
# shows the file a fully processed.
if False:
# Update FFWDB and reget testfi.
uu = _dt.utcut()
fis = getFIs(uu)
filenames = [fi['filename'] for fi in fis]
filenames.sort()
FFWDB.acquired(filenames, uu)
for fi in fis:
if fi['filename'] == testfn:
testfi = updateDB(fi)
exportFile(historical, testfi)
shutDown()
1/1
# Test 2.
