From 06302555cd504ea1884c156ecb64dc6808256551 Mon Sep 17 00:00:00 2001 From: erkin Date: Wed, 18 Jan 2023 20:46:15 +0300 Subject: igmp-proxy: T4912: Rewrite show IGMP proxy commands in the new op-mode format --- op-mode-definitions/show-ip-multicast.xml.in | 4 +- src/op_mode/igmp-proxy.py | 218 ++++++++++++++++++++++++ src/op_mode/show_igmpproxy.py | 241 --------------------------- 3 files changed, 220 insertions(+), 243 deletions(-) create mode 100755 src/op_mode/igmp-proxy.py delete mode 100755 src/op_mode/show_igmpproxy.py diff --git a/op-mode-definitions/show-ip-multicast.xml.in b/op-mode-definitions/show-ip-multicast.xml.in index 80d83b424..d8f16d997 100644 --- a/op-mode-definitions/show-ip-multicast.xml.in +++ b/op-mode-definitions/show-ip-multicast.xml.in @@ -13,13 +13,13 @@ Show multicast interfaces - if ps -C igmpproxy &>/dev/null; then ${vyos_op_scripts_dir}/show_igmpproxy.py --interface; else echo IGMP proxy not configured; fi + ${vyos_op_scripts_dir}/igmp-proxy.py show_interface Show multicast fowarding cache - if ps -C igmpproxy &>/dev/null; then ${vyos_op_scripts_dir}/show_igmpproxy.py --mfc; else echo IGMP proxy not configured; fi + ${vyos_op_scripts_dir}/igmp-proxy.py show_mfc diff --git a/src/op_mode/igmp-proxy.py b/src/op_mode/igmp-proxy.py new file mode 100755 index 000000000..2a8f284bc --- /dev/null +++ b/src/op_mode/igmp-proxy.py @@ -0,0 +1,218 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2023 VyOS maintainers and contributors +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 or later as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# File: show_igmpproxy.py +# Purpose: +# Display istatistics from IPv4 IGMP proxy. +# Used by the "run show ip multicast" command tree. + +import ipaddress +import json +import jinja2 +import socket +import sys + +import vyos.config +import vyos.opmode + +from vyos.util import bytes_to_human, print_error + +def _is_configured(): + """Check if IGMP proxy is configured""" + return vyos.config.Config().exists_effective('protocols igmp-proxy') + +def _is_running(): + """Check if IGMP proxy is currently running""" + return not vyos.util.run('ps -C igmpproxy') + +def _kernel_to_ip(addr): + """ + Convert any given address from Linux kernel to a proper, IPv4 address + using the correct host byte order. + """ + + # Convert from hex 'FE000A0A' to decimal '4261415434' + addr = int(addr, 16) + # Kernel ABI _always_ uses network byte order + addr = socket.ntohl(addr) + + return str(ipaddress.IPv4Address(addr)) + +def _process_mr_vif(): + """ + Read contents of file /proc/net/ip_mr_vif and print a more human + friendly version to the command line. IPv4 addresses presented as + 32-bit integers in hex format are converted to IPv4 notation too. + """ + + with open('/proc/net/ip_mr_vif', 'r') as f: + lines = len(f.readlines()) + if lines < 2: + return None + + result = { + 'data': [] + } + + # Build up table format string + table_format = { + 'interface': 'Interface', + 'pkts_in' : 'PktsIn', + 'pkts_out' : 'PktsOut', + 'bytes_in' : 'BytesIn', + 'bytes_out': 'BytesOut', + 'loc' : 'Local' + } + result['data'].append(table_format) + + # read and parse information from /proc filesystema + with open('/proc/net/ip_mr_vif', 'r') as f: + header_line = next(f) + for line in f: + data = { + 'interface': line.split()[1], + 'pkts_in' : line.split()[3], + 'pkts_out' : line.split()[5], + + # convert raw byte number to something more human readable + 'bytes_in' : bytes_to_human(int(line.split()[2])), + 'bytes_out': bytes_to_human(int(line.split()[4])), + + # convert IP address from hex 'FE000A0A' to decimal '4261415434' + 'loc' : _kernel_to_ip(line.split()[7]), + } + result['data'].append(data) + + return result + +def _process_mr_mfc(): + """ + Read contents of file /proc/net/ip_mr_cache and print a more human + friendly version to the command line. IPv4 addresses presented as + 32-bit integers in hex format are converted to IPv4 notation too. + """ + + with open('/proc/net/ip_mr_cache', 'r') as f: + lines = len(f.readlines()) + if lines < 2: + return None + + # We need this to convert from interface index to a real interface name + # Thus we also skip the format identifier on list index 0 + vif = do_mr_vif()['data'][1:] + + result = { + 'data': [] + } + + # Build up table format string + table_format = { + 'group' : 'Group', + 'origin': 'Origin', + 'iif' : 'In', + 'oifs' : ['Out'], + 'pkts' : 'Pkts', + 'bytes' : 'Bytes', + 'wrong' : 'Wrong' + } + result['data'].append(table_format) + + # read and parse information from /proc filesystem + with open('/proc/net/ip_mr_cache', 'r') as f: + header_line = next(f) + for line in f: + data = { + # convert IP address from hex 'FE000A0A' to decimal '4261415434' + 'group' : _kernel_to_ip(line.split()[0]), + 'origin': _kernel_to_ip(line.split()[1]), + + 'iif' : '--', + 'pkts' : '', + 'bytes' : '', + 'wrong' : '', + 'oifs' : [] + } + + iif = int(line.split()[2]) + if not ((iif == -1) or (iif == 65535)): + data['pkts'] = line.split()[3] + data['bytes'] = bytes_to_human(int(line.split()[4])) + data['wrong'] = line.split()[5] + + # convert index to real interface name + data['iif'] = vif[iif]['interface'] + + # convert each output interface index to a real interface name + for oif in line.split()[6:]: + idx = int(oif.split(':')[0]) + data['oifs'].append(vif[idx]['interface']) + + result['data'].append(data) + + return result + + +# Output template for "show ip multicast interface" command +# +# Example: +# Interface BytesIn PktsIn BytesOut PktsOut Local +# eth0 0.0 B 0 0.0 B 0 xxx.xxx.xxx.65 +# eth1 0.0 B 0 0.0 B 0 xxx.xxx.xx.201 +# eth0.3 0.0 B 0 0.0 B 0 xxx.xxx.x.7 +# tun1 0.0 B 0 0.0 B 0 xxx.xxx.xxx.2 +def show_interface(raw: bool): + vif_out_template = """{%- for r in data -%} +{{ "%-10s"|format(r.interface) }} {{ "%-12s"|format(r.bytes_in) }} {{ "%-12s"|format(r.pkts_in) }} {{ "%-12s"|format(r.bytes_out) }} {{ "%-12s"|format(r.pkts_out) }} {{ "%-15s"|format(r.loc) }} +{% endfor %}""" + if data := _process_mr_vif(): + if raw: + return json.loads(json.dumps(data)) + else: + return jinja2.Template(vif_out_template).render(data) + +# Output template for "show ip multicast mfc" command +# +# Example: +# Group Origin In Out Pkts Bytes Wrong +# xxx.xxx.xxx.250 xxx.xx.xxx.75 -- +# xxx.xxx.xx.124 xx.xxx.xxx.26 -- +def show_mfc(raw: bool): + mfc_out_template = """{%- for r in data -%} +{{ "%-15s"|format(r.group) }} {{ "%-15s"|format(r.origin) }} {{ "%-12s"|format(r.pkts) }} {{ "%-12s"|format(r.bytes) }} {{ "%-12s"|format(r.wrong) }} {{ "%-10s"|format(r.iif) }} {{ "%-20s"|format(r.oifs|join(', ')) }} +{% endfor %}""" + if data := _process_mr_mfc(): + if raw: + return json.loads(json.dumps(data)) + else: + return jinja2.Template(mfc_out_template).render(data) + + +if not _is_configured(): + print_error('IGMP proxy is not configured.') + sys.exit(0) +if not _is_running(): + print_error('IGMP proxy is not running.') + sys.exit(0) + + +if __name__ == "__main__": + try: + res = vyos.opmode.run(sys.modules[__name__]) + if res: + print(res) + except (ValueError, vyos.opmode.Error) as e: + print_error(e) + sys.exit(1) diff --git a/src/op_mode/show_igmpproxy.py b/src/op_mode/show_igmpproxy.py deleted file mode 100755 index 4714e494b..000000000 --- a/src/op_mode/show_igmpproxy.py +++ /dev/null @@ -1,241 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2018 VyOS maintainers and contributors -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 or later as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see . - -# File: show_igmpproxy.py -# Purpose: -# Display istatistics from IPv4 IGMP proxy. -# Used by the "run show ip multicast" command tree. - -import sys -import jinja2 -import argparse -import ipaddress -import socket - -import vyos.config - -# Output Template for "show ip multicast interface" command -# -# Example: -# Interface BytesIn PktsIn BytesOut PktsOut Local -# eth0 0.0b 0 0.0b 0 xxx.xxx.xxx.65 -# eth1 0.0b 0 0.0b 0 xxx.xxx.xx.201 -# eth0.3 0.0b 0 0.0b 0 xxx.xxx.x.7 -# tun1 0.0b 0 0.0b 0 xxx.xxx.xxx.2 -vif_out_tmpl = """ -{% for r in data %} -{{ "%-10s"|format(r.interface) }} {{ "%-12s"|format(r.bytes_in) }} {{ "%-12s"|format(r.pkts_in) }} {{ "%-12s"|format(r.bytes_out) }} {{ "%-12s"|format(r.pkts_out) }} {{ "%-15s"|format(r.loc) }} -{% endfor %} -""" - -# Output Template for "show ip multicast mfc" command -# -# Example: -# Group Origin In Out Pkts Bytes Wrong -# xxx.xxx.xxx.250 xxx.xx.xxx.75 -- -# xxx.xxx.xx.124 xx.xxx.xxx.26 -- -mfc_out_tmpl = """ -{% for r in data %} -{{ "%-15s"|format(r.group) }} {{ "%-15s"|format(r.origin) }} {{ "%-12s"|format(r.pkts) }} {{ "%-12s"|format(r.bytes) }} {{ "%-12s"|format(r.wrong) }} {{ "%-10s"|format(r.iif) }} {{ "%-20s"|format(r.oifs|join(', ')) }} -{% endfor %} -""" - -parser = argparse.ArgumentParser() -parser.add_argument("--interface", action="store_true", help="Interface Statistics") -parser.add_argument("--mfc", action="store_true", help="Multicast Forwarding Cache") - -def byte_string(size): - # convert size to integer - size = int(size) - - # One Terrabyte - s_TB = 1024 * 1024 * 1024 * 1024 - # One Gigabyte - s_GB = 1024 * 1024 * 1024 - # One Megabyte - s_MB = 1024 * 1024 - # One Kilobyte - s_KB = 1024 - # One Byte - s_B = 1 - - if size > s_TB: - return str(round((size/s_TB), 2)) + 'TB' - elif size > s_GB: - return str(round((size/s_GB), 2)) + 'GB' - elif size > s_MB: - return str(round((size/s_MB), 2)) + 'MB' - elif size > s_KB: - return str(round((size/s_KB), 2)) + 'KB' - else: - return str(round((size/s_B), 2)) + 'b' - - return None - -def kernel2ip(addr): - """ - Convert any given addr from Linux Kernel to a proper, IPv4 address - using the correct host byte order. - """ - - # Convert from hex 'FE000A0A' to decimal '4261415434' - addr = int(addr, 16) - # Kernel ABI _always_ uses network byteorder - addr = socket.ntohl(addr) - - return ipaddress.IPv4Address( addr ) - -def do_mr_vif(): - """ - Read contents of file /proc/net/ip_mr_vif and print a more human - friendly version to the command line. IPv4 addresses present as - 32bit integers in hex format are converted to IPv4 notation, too. - """ - - with open('/proc/net/ip_mr_vif', 'r') as f: - lines = len(f.readlines()) - if lines < 2: - return None - - result = { - 'data': [] - } - - # Build up table format string - table_format = { - 'interface': 'Interface', - 'pkts_in' : 'PktsIn', - 'pkts_out' : 'PktsOut', - 'bytes_in' : 'BytesIn', - 'bytes_out': 'BytesOut', - 'loc' : 'Local' - } - result['data'].append(table_format) - - # read and parse information from /proc filesystema - with open('/proc/net/ip_mr_vif', 'r') as f: - header_line = next(f) - for line in f: - data = { - 'interface': line.split()[1], - 'pkts_in' : line.split()[3], - 'pkts_out' : line.split()[5], - - # convert raw byte number to something more human readable - # Note: could be replaced by Python3 hurry.filesize module - 'bytes_in' : byte_string( line.split()[2] ), - 'bytes_out': byte_string( line.split()[4] ), - - # convert IP address from hex 'FE000A0A' to decimal '4261415434' - 'loc' : kernel2ip( line.split()[7] ), - } - result['data'].append(data) - - return result - -def do_mr_mfc(): - """ - Read contents of file /proc/net/ip_mr_cache and print a more human - friendly version to the command line. IPv4 addresses present as - 32bit integers in hex format are converted to IPv4 notation, too. - """ - - with open('/proc/net/ip_mr_cache', 'r') as f: - lines = len(f.readlines()) - if lines < 2: - return None - - # We need this to convert from interface index to a real interface name - # Thus we also skip the format identifier on list index 0 - vif = do_mr_vif()['data'][1:] - - result = { - 'data': [] - } - - # Build up table format string - table_format = { - 'group' : 'Group', - 'origin': 'Origin', - 'iif' : 'In', - 'oifs' : ['Out'], - 'pkts' : 'Pkts', - 'bytes' : 'Bytes', - 'wrong' : 'Wrong' - } - result['data'].append(table_format) - - # read and parse information from /proc filesystem - with open('/proc/net/ip_mr_cache', 'r') as f: - header_line = next(f) - for line in f: - data = { - # convert IP address from hex 'FE000A0A' to decimal '4261415434' - 'group' : kernel2ip( line.split()[0] ), - 'origin': kernel2ip( line.split()[1] ), - - 'iif' : '--', - 'pkts' : '', - 'bytes' : '', - 'wrong' : '', - 'oifs' : [] - } - - iif = int( line.split()[2] ) - if not ((iif == -1) or (iif == 65535)): - data['pkts'] = line.split()[3] - data['bytes'] = byte_string( line.split()[4] ) - data['wrong'] = line.split()[5] - - # convert index to real interface name - data['iif'] = vif[iif]['interface'] - - # convert each output interface index to a real interface name - for oif in line.split()[6:]: - idx = int( oif.split(':')[0] ) - data['oifs'].append( vif[idx]['interface'] ) - - result['data'].append(data) - - return result - -if __name__ == '__main__': - args = parser.parse_args() - - # Do nothing if service is not configured - c = vyos.config.Config() - if not c.exists_effective('protocols igmp-proxy'): - print("IGMP proxy is not configured") - sys.exit(0) - - if args.interface: - data = do_mr_vif() - if data: - tmpl = jinja2.Template(vif_out_tmpl) - print(tmpl.render(data)) - - sys.exit(0) - elif args.mfc: - data = do_mr_mfc() - if data: - tmpl = jinja2.Template(mfc_out_tmpl) - print(tmpl.render(data)) - - sys.exit(0) - else: - parser.print_help() - sys.exit(1) - -- cgit v1.2.3