Reticulum/RNS/Utilities/rnprobe.py
2021-09-24 20:10:04 +02:00

172 lines
4.5 KiB
Python

#!/usr/bin/env python3
import RNS
import os
import sys
import time
import argparse
from RNS._version import __version__
DEFAULT_PROBE_SIZE = 16
def program_setup(configdir, destination_hexhash, size=DEFAULT_PROBE_SIZE, full_name = None, verbosity = 0):
if full_name == None:
print("The full destination name including application name aspects must be specified for the destination")
exit()
try:
app_name, aspects = RNS.Destination.app_and_aspects_from_name(full_name)
except Exception as e:
print(str(e))
exit()
try:
dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
if len(destination_hexhash) != dest_len:
raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
try:
destination_hash = bytes.fromhex(destination_hexhash)
except Exception as e:
raise ValueError("Invalid destination entered. Check your input.")
except Exception as e:
print(str(e))
exit()
if verbosity > 0:
more_output = True
verbosity -= 1
else:
more_output = False
verbosity -= 1
reticulum = RNS.Reticulum(configdir = configdir, loglevel = 3+verbosity)
if not RNS.Transport.has_path(destination_hash):
RNS.Transport.request_path(destination_hash)
print("Path to "+RNS.prettyhexrep(destination_hash)+" requested ", end=" ")
sys.stdout.flush()
i = 0
syms = "⢄⢂⢁⡁⡈⡐⡠"
while not RNS.Transport.has_path(destination_hash):
time.sleep(0.1)
print(("\b\b"+syms[i]+" "), end="")
sys.stdout.flush()
i = (i+1)%len(syms)
server_identity = RNS.Identity.recall(destination_hash)
request_destination = RNS.Destination(
server_identity,
RNS.Destination.OUT,
RNS.Destination.SINGLE,
app_name,
*aspects
)
probe = RNS.Packet(request_destination, os.urandom(size))
receipt = probe.send()
if more_output:
more = " via "+RNS.prettyhexrep(RNS.Transport.next_hop(destination_hash))+" on "+str(RNS.Transport.next_hop_interface(destination_hash))
else:
more = ""
print("\rSent "+str(size)+" byte probe to "+RNS.prettyhexrep(destination_hash)+more+" ", end=" ")
i = 0
while not receipt.status == RNS.PacketReceipt.DELIVERED:
time.sleep(0.1)
print(("\b\b"+syms[i]+" "), end="")
sys.stdout.flush()
i = (i+1)%len(syms)
print("\b\b ")
sys.stdout.flush()
hops = RNS.Transport.hops_to(destination_hash)
if hops > 1:
ms = "s"
else:
ms = ""
rtt = receipt.get_rtt()
if (rtt >= 1):
rtt = round(rtt, 3)
rttstring = str(rtt)+" seconds"
else:
rtt = round(rtt*1000, 3)
rttstring = str(rtt)+" milliseconds"
print(
"Valid reply received from "+
RNS.prettyhexrep(receipt.destination.hash)+
"\nRound-trip time is "+rttstring+
" over "+str(hops)+" hop"+ms
)
def main():
try:
parser = argparse.ArgumentParser(description="Reticulum Probe Utility")
parser.add_argument("--config",
action="store",
default=None,
help="path to alternative Reticulum config directory",
type=str
)
parser.add_argument(
"--version",
action="version",
version="rnprobe {version}".format(version=__version__)
)
parser.add_argument(
"full_name",
nargs="?",
default=None,
help="full destination name in dotted notation",
type=str
)
parser.add_argument(
"destination_hash",
nargs="?",
default=None,
help="hexadecimal hash of the destination",
type=str
)
parser.add_argument('-v', '--verbose', action='count', default=0)
args = parser.parse_args()
if args.config:
configarg = args.config
else:
configarg = None
if not args.destination_hash:
print("")
parser.print_help()
print("")
else:
program_setup(
configdir = configarg,
destination_hexhash = args.destination_hash,
full_name = args.full_name,
verbosity = args.verbose
)
except KeyboardInterrupt:
print("")
exit()
if __name__ == "__main__":
main()