3b4c9d7bd6
The path to the socket when running the script as a regular user needed
to be updated to match the logic in EAL.
Fixes: 6a2967c112 ("usertools: add new telemetry script")
Cc: stable@dpdk.org
Signed-off-by: Ciara Power <ciara.power@intel.com>
Reviewed-by: Bruce Richardson <bruce.richardson@intel.com>
84 lines
2.2 KiB
Python
Executable File
84 lines
2.2 KiB
Python
Executable File
#! /usr/bin/python3
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# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2020 Intel Corporation
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"""
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Script to be used with V2 Telemetry.
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Allows the user input commands and read the Telemetry response.
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"""
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import socket
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import os
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import glob
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import json
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import readline
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# global vars
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TELEMETRY_VERSION = "v2"
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CMDS = []
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def read_socket(sock, buf_len, echo=True):
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""" Read data from socket and return it in JSON format """
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reply = sock.recv(buf_len).decode()
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try:
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ret = json.loads(reply)
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except json.JSONDecodeError:
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print("Error in reply: ", reply)
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sock.close()
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raise
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if echo:
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print(json.dumps(ret))
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return ret
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def handle_socket(path):
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""" Connect to socket and handle user input """
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sock = socket.socket(socket.AF_UNIX, socket.SOCK_SEQPACKET)
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global CMDS
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print("Connecting to " + path)
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try:
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sock.connect(path)
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except OSError:
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print("Error connecting to " + path)
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sock.close()
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return
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json_reply = read_socket(sock, 1024)
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output_buf_len = json_reply["max_output_len"]
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# get list of commands for readline completion
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sock.send("/".encode())
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CMDS = read_socket(sock, output_buf_len, False)["/"]
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# interactive prompt
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text = input('--> ').strip()
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while text != "quit":
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if text.startswith('/'):
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sock.send(text.encode())
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read_socket(sock, output_buf_len)
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text = input('--> ').strip()
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sock.close()
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def readline_complete(text, state):
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""" Find any matching commands from the list based on user input """
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all_cmds = ['quit'] + CMDS
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if text:
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matches = [c for c in all_cmds if c.startswith(text)]
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else:
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matches = all_cmds
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return matches[state]
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readline.parse_and_bind('tab: complete')
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readline.set_completer(readline_complete)
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readline.set_completer_delims(readline.get_completer_delims().replace('/', ''))
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# Path to sockets for processes run as a root user
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for f in glob.glob('/var/run/dpdk/*/dpdk_telemetry.%s' % TELEMETRY_VERSION):
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handle_socket(f)
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# Path to sockets for processes run as a regular user
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for f in glob.glob('%s/dpdk/*/dpdk_telemetry.%s' %
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(os.environ.get('XDG_RUNTIME_DIR', '/tmp'), TELEMETRY_VERSION)):
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handle_socket(f)
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