/usr/lib/python2.7/dist-packages/pcp/pmgui.py is in python-pcp 3.10.8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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""" Wrapper module for libpcp_gui - PCP Graphical User Interface clients """
#
# Copyright (C) 2012-2015 Red Hat Inc.
# Copyright (C) 2009-2012 Michael T. Werner
#
# This file is part of the "pcp" module, the python interfaces for the
# Performance Co-Pilot toolkit.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# 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.
#
##############################################################################
#
# imports
#
# constants adapted from C header file <pcp/pmapi.h>
from pcp.pmapi import pmErr
from cpmapi import PM_ERR_IPC
# for interfacing with libpcp - the client-side C API
from ctypes import CDLL, Structure, POINTER, cast, byref
from ctypes import c_void_p, c_char_p, c_int, c_long
from ctypes.util import find_library
##############################################################################
#
# dynamic library loads
#
LIBPCP_GUI = CDLL(find_library("pcp_gui"))
LIBC = CDLL(find_library("c"))
##############################################################################
#
# definition of structures used by C library libpcp, derived from <pcp/pmafm.h>
#
class pmRecordHost(Structure):
"""state information between the recording session and the pmlogger """
_fields_ = [("f_config", c_void_p),
("fd_ipc", c_int),
("logfile", c_char_p),
("pid", c_int),
("status", c_int)]
##############################################################################
#
# GUI API function prototypes
#
##
# PMAPI Record-Mode Services
LIBPCP_GUI.pmRecordSetup.restype = c_long
LIBPCP_GUI.pmRecordSetup.argtypes = [c_char_p, c_char_p, c_int]
LIBPCP_GUI.pmRecordAddHost.restype = c_int
LIBPCP_GUI.pmRecordAddHost.argtypes = [
c_char_p, c_int, POINTER(POINTER(pmRecordHost))]
LIBPCP_GUI.pmRecordControl.restype = c_int
LIBPCP_GUI.pmRecordControl.argtypes = [POINTER(pmRecordHost), c_int, c_char_p]
#LIBPCP_GUI.pmTimeConnect.restype = c_int
#LIBPCP_GUI.pmTimeConnect.argtypes = [ ]
#LIBPCP_GUI.pmTimeDisconnect.restype = c_int
#LIBPCP_GUI.pmTimeDisconnect.argtypes = [ ]
#LIBPCP_GUI.pmTimeGetPort.restype = c_int
#LIBPCP_GUI.pmTimeGetPort.argtypes = [ ]
#LIBPCP_GUI.pmTimeRecv.restype = c_int
#LIBPCP_GUI.pmTimeRecv.argtypes = [ ]
#LIBPCP_GUI.pmTimeSendAck.restype = c_int
#LIBPCP_GUI.pmTimeSendAck.argtypes = [ ]
#LIBPCP_GUI.pmTimeSendBounds.restype = c_int
#LIBPCP_GUI.pmTimeSendBounds.argtypes = [ ]
#LIBPCP_GUI.pmTimeSendMode.restype = c_int
#LIBPCP_GUI.pmTimeSendMode.argtypes = [ ]
#LIBPCP_GUI.pmTimeSendPosition.restype = c_int
#LIBPCP_GUI.pmTimeSendPosition.argtypes = [ ]
#LIBPCP_GUI.pmTimeSendTimezone.restype = c_int
#LIBPCP_GUI.pmTimeSendTimezone.argtypes = [ ]
#LIBPCP_GUI.pmTimeShowDialog.restype = c_int
#LIBPCP_GUI.pmTimeShowDialog.argtypes = [ ]
#LIBPCP_GUI.pmTimeGetStatePixmap.restype = c_int
#LIBPCP_GUI.pmTimeGetStatePixmap.argtypes = [ ]
##############################################################################
#
# class GuiClient
#
# This class wraps the GUI API library functions
#
class GuiClient(object):
""" Provides metric recording and time control interfaces
"""
##
# Record-Mode Services
@staticmethod
def pmRecordSetup(folio, creator, replay):
""" GUI API - Setup an archive recording session
File* file = pmRecordSetup("folio", "creator", 0)
"""
if type(folio) != type(b''):
folio = folio.encode('utf-8')
if type(creator) != type(b''):
creator = creator.encode('utf-8')
file_result = LIBPCP_GUI.pmRecordSetup(
c_char_p(folio), c_char_p(creator), replay)
if (file_result == 0):
raise pmErr(file_result)
return file_result
@staticmethod
def pmRecordAddHost(host, isdefault, config):
""" GUI API - Adds host to an archive recording session
(status, recordhost) = pmRecordAddHost("host", 1, "configuration")
"""
if type(host) != type(b''):
host = host.encode('utf-8')
rhp = POINTER(pmRecordHost)()
status = LIBPCP_GUI.pmRecordAddHost(
c_char_p(host), isdefault, byref(rhp))
if status < 0:
raise pmErr(status)
if type(config) != type(b''):
config = config.encode('utf-8')
status = LIBC.fputs(c_char_p(config), c_long(rhp.contents.f_config))
if (status < 0):
LIBC.perror(c_char_p(""))
raise pmErr(status)
return status, rhp
@staticmethod
def pmRecordControl(rhp, request, options):
"""PMAPI - Control an archive recording session
status = pmRecordControl(0, cpmgui.PM_RCSETARG, "args")
status = pmRecordControl(0, cpmgui.PM_REC_ON)
status = pmRecordControl(0, cpmgui.PM_REC_OFF)
"""
if type(options) != type(b''):
options = options.encode('utf-8')
status = LIBPCP_GUI.pmRecordControl(
cast(rhp, POINTER(pmRecordHost)),
request, c_char_p(options))
if status < 0 and status != PM_ERR_IPC:
raise pmErr(status)
return status
##
# GUI API Time Control Services
# (Not Yet Implemented)
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