94 lines
2.6 KiB
Nim
94 lines
2.6 KiB
Nim
## Nim-LibP2P
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## Copyright (c) 2018 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import std/[os, strutils, times]
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import chronicles
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import ../libp2p/debugutils
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const
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PBCapParserName* = "PBCapParser"
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## project name string
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PBCapParserMajor*: int = 0
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## is the major number of PBCapParser' version.
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PBCapParserMinor*: int = 0
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## is the minor number of PBCapParser' version.
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PBCapParserPatch*: int = 1
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## is the patch number of PBCapParser' version.
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PBCapParserVersion* = $PBCapParserMajor & "." & $PBCapParserMinor & "." &
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$PBCapParserPatch
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## is the version of Nimbus as a string.
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GitRevision = staticExec("git rev-parse --short HEAD").replace("\n") # remove CR
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PBCapParserUsage = """
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USAGE:
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pbcap_parser <command> <filename>
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COMMANDS:
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dump Show full hexadecimal dump with ascii symbols of packets
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hex Show only hexadecimal string of message
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"""
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let
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PBCapParserCopyright* = "Copyright (c) 2020-" & $(now().utc.year) &
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" Status Research & Development GmbH"
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PBCapParserHeader* = "$# Version $# [$#: $#, $#]\p$#\p" %
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[PBCapParserName, PBCapParserVersion, hostOS, hostCPU, GitRevision,
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PBCapParserCopyright]
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proc parseFile*(pathName: string, dump: bool): string =
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## Parse `pbcap` file ``pathName``, and return decoded output as string dump.
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##
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## If ``pathName`` is relative path, then
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## ``getHomeDir() / libp2p_dump_dir / pathName`` will be used.
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var res = ""
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let path =
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if isAbsolute(pathName):
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pathName
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else:
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getHomeDir() / libp2p_dump_dir / pathName
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var sdata = string(readFile(path))
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var buffer = cast[seq[byte]](sdata)
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for item in messages(buffer):
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if item.isNone():
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break
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res = res & toString(item.get(), dump)
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res
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when isMainModule:
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echo PBCapParserHeader
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if paramCount() < 2:
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echo PBCapParserUsage
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quit 0
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else:
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let cmd = toLowerAscii(paramStr(1))
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if cmd notin ["dump", "hex"]:
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fatal "Unrecognized command found", command = paramStr(1)
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quit 1
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let path =
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if isAbsolute(paramStr(2)):
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paramStr(2)
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else:
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getHomeDir() / libp2p_dump_dir / paramStr(2)
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if not(fileExists(path)):
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fatal "Could not find pbcap file", filename = path
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quit 1
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let dump = if cmd == "dump": true else: false
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try:
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echo parseFile(paramStr(2), dump)
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except:
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fatal "Could not read pbcap file", filename = path
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