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244 lines
9.1 KiB
244 lines
9.1 KiB
#!/usr/bin/env python3
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# MIT License
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#
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# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import RNS
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import os
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import sys
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import time
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import argparse
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from RNS._version import __version__
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DEFAULT_PROBE_SIZE = 16
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DEFAULT_TIMEOUT = 12
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def program_setup(configdir, destination_hexhash, size=None, full_name = None, verbosity = 0, timeout=None, wait=0, probes=1):
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if size == None: size = DEFAULT_PROBE_SIZE
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if full_name == None:
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print("The full destination name including application name aspects must be specified for the destination")
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exit()
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try:
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app_name, aspects = RNS.Destination.app_and_aspects_from_name(full_name)
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except Exception as e:
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print(str(e))
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exit()
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try:
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dest_len = (RNS.Reticulum.TRUNCATED_HASHLENGTH//8)*2
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if len(destination_hexhash) != dest_len:
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raise ValueError("Destination length is invalid, must be {hex} hexadecimal characters ({byte} bytes).".format(hex=dest_len, byte=dest_len//2))
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try:
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destination_hash = bytes.fromhex(destination_hexhash)
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except Exception as e:
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raise ValueError("Invalid destination entered. Check your input.")
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except Exception as e:
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print(str(e))
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exit()
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if verbosity > 0:
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more_output = True
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verbosity -= 1
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else:
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more_output = False
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verbosity -= 1
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reticulum = RNS.Reticulum(configdir = configdir, loglevel = 3+verbosity)
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if not RNS.Transport.has_path(destination_hash):
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RNS.Transport.request_path(destination_hash)
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print("Path to "+RNS.prettyhexrep(destination_hash)+" requested ", end=" ")
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sys.stdout.flush()
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_timeout = time.time() + (timeout or DEFAULT_TIMEOUT+reticulum.get_first_hop_timeout(destination_hash))
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i = 0
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syms = "⢄⢂⢁⡁⡈⡐⡠"
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while not RNS.Transport.has_path(destination_hash) and not time.time() > _timeout:
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time.sleep(0.1)
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print(("\b\b"+syms[i]+" "), end="")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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if time.time() > _timeout:
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print("\r \rPath request timed out")
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exit(1)
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server_identity = RNS.Identity.recall(destination_hash)
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request_destination = RNS.Destination(
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server_identity,
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RNS.Destination.OUT,
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RNS.Destination.SINGLE,
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app_name,
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*aspects
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)
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sent = 0
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replies = 0
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while probes:
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if sent > 0:
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time.sleep(wait)
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try:
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probe = RNS.Packet(request_destination, os.urandom(size))
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probe.pack()
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except OSError:
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print("Error: Probe packet size of "+str(len(probe.raw))+" bytes exceed MTU of "+str(RNS.Reticulum.MTU)+" bytes")
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exit(3)
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receipt = probe.send()
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sent += 1
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if more_output:
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nhd = reticulum.get_next_hop(destination_hash)
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via_str = " via "+RNS.prettyhexrep(nhd) if nhd != None else ""
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if_str = " on "+str(reticulum.get_next_hop_if_name(destination_hash)) if reticulum.get_next_hop_if_name(destination_hash) != "None" else ""
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more = via_str+if_str
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else:
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more = ""
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print("\rSent probe "+str(sent)+" ("+str(size)+" bytes) to "+RNS.prettyhexrep(destination_hash)+more+" ", end=" ")
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_timeout = time.time() + (timeout or DEFAULT_TIMEOUT+reticulum.get_first_hop_timeout(destination_hash))
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i = 0
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while receipt.status == RNS.PacketReceipt.SENT and not time.time() > _timeout:
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time.sleep(0.1)
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print(("\b\b"+syms[i]+" "), end="")
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sys.stdout.flush()
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i = (i+1)%len(syms)
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if time.time() > _timeout:
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print("\r \rProbe timed out")
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else:
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print("\b\b ")
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sys.stdout.flush()
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if receipt.status == RNS.PacketReceipt.DELIVERED:
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replies += 1
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hops = RNS.Transport.hops_to(destination_hash)
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if hops != 1:
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ms = "s"
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else:
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ms = ""
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rtt = receipt.get_rtt()
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if (rtt >= 1):
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rtt = round(rtt, 3)
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rttstring = str(rtt)+" seconds"
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else:
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rtt = round(rtt*1000, 3)
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rttstring = str(rtt)+" milliseconds"
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reception_stats = ""
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if reticulum.is_connected_to_shared_instance:
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reception_rssi = reticulum.get_packet_rssi(receipt.proof_packet.packet_hash)
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reception_snr = reticulum.get_packet_snr(receipt.proof_packet.packet_hash)
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reception_q = reticulum.get_packet_q(receipt.proof_packet.packet_hash)
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if reception_rssi != None:
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reception_stats += " [RSSI "+str(reception_rssi)+" dBm]"
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if reception_snr != None:
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reception_stats += " [SNR "+str(reception_snr)+" dB]"
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if reception_q != None:
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reception_stats += " [Link Quality "+str(reception_q)+"%]"
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else:
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if receipt.proof_packet != None:
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if receipt.proof_packet.rssi != None:
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reception_stats += " [RSSI "+str(receipt.proof_packet.rssi)+" dBm]"
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if receipt.proof_packet.snr != None:
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reception_stats += " [SNR "+str(receipt.proof_packet.snr)+" dB]"
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print(
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"Valid reply from "+
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RNS.prettyhexrep(receipt.destination.hash)+
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"\nRound-trip time is "+rttstring+
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" over "+str(hops)+" hop"+ms+
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reception_stats+"\n"
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)
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else:
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print("\r \rProbe timed out")
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probes -= 1
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loss = round((1-(replies/sent))*100, 2)
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print(f"Sent {sent}, received {replies}, packet loss {loss}%")
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if loss > 0:
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exit(2)
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else:
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exit(0)
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def main():
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try:
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parser = argparse.ArgumentParser(description="Reticulum Probe Utility")
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parser.add_argument("--config", action="store", default=None, help="path to alternative Reticulum config directory", type=str)
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parser.add_argument("-s", "--size", action="store", default=None, help="size of probe packet payload in bytes", type=int)
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parser.add_argument("-n", "--probes", action="store", default=1, help="number of probes to send", type=int)
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parser.add_argument("-t", "--timeout", metavar="seconds", action="store", default=None, help="timeout before giving up", type=float)
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parser.add_argument("-w", "--wait", metavar="seconds", action="store", default=0, help="time between each probe", type=float)
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parser.add_argument("--version", action="version", version="rnprobe {version}".format(version=__version__))
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parser.add_argument("full_name", nargs="?", default=None, help="full destination name in dotted notation", type=str)
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parser.add_argument("destination_hash", nargs="?", default=None, help="hexadecimal hash of the destination", type=str)
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parser.add_argument('-v', '--verbose', action='count', default=0)
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args = parser.parse_args()
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if args.config:
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configarg = args.config
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else:
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configarg = None
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if not args.destination_hash:
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print("")
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parser.print_help()
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print("")
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else:
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program_setup(
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configdir = configarg,
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destination_hexhash = args.destination_hash,
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size = args.size,
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full_name = args.full_name,
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verbosity = args.verbose,
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probes = args.probes,
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wait = args.wait,
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timeout = args.timeout,
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)
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except KeyboardInterrupt:
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print("")
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exit()
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if __name__ == "__main__":
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main() |