Reticulum/RNS/__init__.py

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import os
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import sys
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import glob
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import time
import random
import threading
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from ._version import __version__
from .Reticulum import Reticulum
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from .Identity import Identity
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from .Link import Link, RequestReceipt
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from .Transport import Transport
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from .Destination import Destination
from .Packet import Packet
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from .Packet import PacketReceipt
from .Resource import Resource, ResourceAdvertisement
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modules = glob.glob(os.path.dirname(__file__)+"/*.py")
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__all__ = [ os.path.basename(f)[:-3] for f in modules if not f.endswith('__init__.py')]
LOG_CRITICAL = 0
LOG_ERROR = 1
LOG_WARNING = 2
LOG_NOTICE = 3
LOG_INFO = 4
LOG_VERBOSE = 5
LOG_DEBUG = 6
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LOG_EXTREME = 7
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LOG_STDOUT = 0x91
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LOG_FILE = 0x92
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LOG_MAXSIZE = 5*1024*1024
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loglevel = LOG_NOTICE
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logfile = None
logdest = LOG_STDOUT
logtimefmt = "%Y-%m-%d %H:%M:%S"
random.seed(os.urandom(10))
_always_override_destination = False
logging_lock = threading.Lock()
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def loglevelname(level):
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if (level == LOG_CRITICAL):
return "Critical"
if (level == LOG_ERROR):
return "Error"
if (level == LOG_WARNING):
return "Warning"
if (level == LOG_NOTICE):
return "Notice"
if (level == LOG_INFO):
return "Info"
if (level == LOG_VERBOSE):
return "Verbose"
if (level == LOG_DEBUG):
return "Debug"
if (level == LOG_EXTREME):
return "Extra"
return "Unknown"
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def version():
return __version__
def log(msg, level=3, _override_destination = False):
global _always_override_destination
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if loglevel >= level:
timestamp = time.time()
logstring = "["+time.strftime(logtimefmt)+"] ["+loglevelname(level)+"] "+msg
logging_lock.acquire()
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if (logdest == LOG_STDOUT or _always_override_destination or _override_destination):
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print(logstring)
logging_lock.release()
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elif (logdest == LOG_FILE and logfile != None):
try:
file = open(logfile, "a")
file.write(logstring+"\n")
file.close()
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if os.path.getsize(logfile) > LOG_MAXSIZE:
prevfile = logfile+".1"
if os.path.isfile(prevfile):
os.unlink(prevfile)
os.rename(logfile, prevfile)
logging_lock.release()
except Exception as e:
logging_lock.release()
_always_override_destination = True
log("Exception occurred while writing log message to log file: "+str(e), LOG_CRITICAL)
log("Dumping future log events to console!", LOG_CRITICAL)
log(msg, level)
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def rand():
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result = random.random()
return result
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def hexrep(data, delimit=True):
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delimiter = ":"
if not delimit:
delimiter = ""
hexrep = delimiter.join("{:02x}".format(c) for c in data)
return hexrep
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def prettyhexrep(data):
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delimiter = ""
hexrep = "<"+delimiter.join("{:02x}".format(c) for c in data)+">"
return hexrep
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def panic():
os._exit(255)
def exit():
sys.exit(0)