Reticulum/RNS/Utilities/rnpath.py
2021-09-24 12:42:24 +02:00

87 lines
2.5 KiB
Python

#!/usr/bin/env python3
import RNS
import sys
import time
import argparse
from RNS._version import __version__
def program_setup(configdir, destination_hexhash):
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()
reticulum = RNS.Reticulum(configdir = configdir)
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)
print("\rPath found, destination "+RNS.prettyhexrep(destination_hash)+" is "+str(RNS.Transport.hops_to(destination_hash))+" hops away via "+RNS.prettyhexrep(RNS.Transport.next_hop(destination_hash))+" on "+str(RNS.Transport.next_hop_interface(destination_hash)))
def main():
try:
parser = argparse.ArgumentParser(description="Reticulum Path Discovery 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="rnpath {version}".format(version=__version__)
)
parser.add_argument(
"destination",
nargs="?",
default=None,
help="hexadecimal hash of the destination",
type=str
)
args = parser.parse_args()
if args.config:
configarg = args.config
else:
configarg = None
if not args.destination:
print("")
parser.print_help()
print("")
else:
program_setup(configdir = configarg, destination_hexhash = args.destination)
except KeyboardInterrupt:
print("")
exit()
if __name__ == "__main__":
main()