/usr/lib/python2.7/dist-packages/pcp/pmgui.py is in python-pcp 4.0.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | # pylint: disable=C0103
""" 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]
##############################################################################
#
# 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
|