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#!/opt/imh-python/bin/python3
#
# apache-top
# Copyright (C) 2006 Carles Amigó
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
from html.parser import HTMLParser
import operator
import sys
import urllib.request, urllib.parse, urllib.error
import curses
import getopt
import time
class ApacheStatusParser(HTMLParser):
"""
Clase que parseja la sortida del handler server-status de apache
"""
performance_info = 2
scoreboard = 3
proceses = 4
status = 0
store = False # defineix si el contingut s'ha de guardar o no
append = False # defineix si els seguents caracters s'han d'afegir o posar en un altre camp
performance_info_data = []
scoreboard_data = []
proceses_data = []
def __init__(self):
HTMLParser.__init__(self)
self.performance_info_data = []
self.scoreboard_data = []
self.proceses_data = []
self.store = False
self.append = False
self.status = 1
def handle_starttag(self, tag, attrs):
if tag == "b":
return
self.store = False
if self.status <= self.performance_info:
if tag == "dt":
self.store = True
elif self.status <= self.scoreboard:
if tag == "pre":
self.store = True
elif self.status <= self.proceses:
if tag == "tr":
# if len(self.proceses_data[-1]) != 0:
if len(self.proceses_data) == 0:
self.proceses_data.append([])
else:
if len(self.proceses_data[-1]) > 0:
self.proceses_data.append([])
elif tag == "td":
self.store = True
def handle_endtag(self, tag):
if tag == "b":
return
self.store = False
self.append = False
if self.status <= self.performance_info and tag == "dl":
self.status += 1
elif self.status <= self.scoreboard and tag == "pre":
self.status += 1
elif self.status <= self.proceses and tag == "table":
self.status += 1
def handle_data(self, data):
if self.store and data != "\n":
if self.status <= self.performance_info:
self.performance_info_data.append(data.replace("\n", ""))
elif self.status <= self.scoreboard:
self.scoreboard_data.append(data.replace("\n", ""))
elif self.status <= self.proceses:
if not self.append:
self.proceses_data[-1].append(data.replace("\n", ""))
else:
self.proceses_data[-1][-1] += data.replace("\n", "")
def handle_charref(self, ref):
self.append = True
self.handle_data("&#%s;" % ref)
def handle_entityref(self, ref):
self.append = True
self.handle_data("&%s;" % ref)
def eval_data(self):
for process in self.proceses_data:
# PID
try:
process[1] = eval(process[1])
except Exception:
process[1] = 0
# Acc Number of accesses this connection / this child / this slot
process[2] = process[2].split("/")
process[2][0] = eval(process[2][0])
process[2][1] = eval(process[2][1])
process[2][2] = eval(process[2][2])
# M Mode of operation
# pass
# CPU CPU usage, number of seconds
process[4] = eval(process[4])
# SS Seconds since beginning of most recent request
process[5] = eval(process[5])
# Req Milliseconds required to process most recent request
process[6] = eval(process[6])
# Conn Kilobytes transferred this connection
process[7] = eval(process[7])
# Child Megabytes transferred this child
process[8] = eval(process[8])
# Slot Total megabytes transferred this slot
process[9] = eval(process[9])
def usage(exit=1):
print(main.__doc__)
sys.exit(exit)
def print_screen(screen, url):
screen = stdscr.subwin(0, 0)
screen.nodelay(1)
end = False
sort = 5
message = ""
reverse = True
show_only_active = True
c = ""
while not end:
try:
data = ApacheStatusParser()
statusdata = urllib.request.urlopen(url).read()
data.feed(statusdata)
data.eval_data()
# width = curses.tigetnum('cols') or 80
# height = curses.tigetnum('lines') or 24
(height, width) = screen.getmaxyx()
screen.clear()
# imprimim el header
screen.addstr(
0,
0,
data.performance_info_data[5]
.replace("Server uptime: ", "Uptime:")
.replace(" days", "d")
.replace(" day", "d")
.replace(" hours", "h")
.replace(" hour", "h")
.replace(" minutes", "m")
.replace(" minute", "m")
.replace(" seconds", "s")
.replace("second", "s")
+ ", "
+ data.performance_info_data[3],
)
screen.addstr(1, 0, data.performance_info_data[7])
screen.addstr(
2,
0,
data.performance_info_data[8]
.replace("request", "req")
.replace("second", "sec")
+ ", Active/Idle: "
+ data.performance_info_data[9].split()[0]
+ "/"
+ data.performance_info_data[9].split()[5],
)
# imprimim el scoreboard
for num in range(0, len(data.scoreboard_data[0]), width):
screen.addstr(
4 + num / width,
0,
data.scoreboard_data[0][num : num + width],
)
if len(message) > 0:
screen.addstr(
5 + num / width,
0,
message,
curses.A_BOLD | curses.A_REVERSE,
)
message = ""
print_proceses(
6 + num / width,
0,
screen,
data.proceses_data,
columns=[1, 3, 5, 4, 11, 10, 12],
sort=sort,
reverse=reverse,
width=width,
show_only_active=show_only_active,
)
# screen.hline(2, 1, curses.ACS_HLINE, 77)
screen.refresh()
time.sleep(2)
try:
c = screen.getkey()
except Exception:
pass
if c == "q":
# sortir
end = True
elif c == "P":
# ordenar per PID
sort = 1
message = "Sort by PID"
elif c == "C":
# ordenar per cpu
sort = 4
message = "Sort by CPU usage"
elif c == "S":
# ordenar per SS"
sort = 5
message = (
"Sort by Seconds since beginning of most recent request"
)
elif c == "V":
# ordenar per vhost
sort = 11
message = "Sort by VirtualHost"
elif c == "M":
# ordenar per Mode of operation
sort = 3
message = "Sort by Mode of operation"
elif c == "R":
# ordenar per request
sort = 12
message = "Sort by Request"
elif c == "I":
# ordenar per ip
sort = 10
message = "Sort by IP"
elif c == "a":
# mostra els actius
if show_only_active:
show_only_active = False
message = "Show all processes"
else:
show_only_active = True
message = "Show only active processes"
elif c == "r":
# cambiar l'ordre
if reverse:
reverse = False
message = "Reversed sorting"
else:
reverse = True
message = "Normal sorting"
c = ""
except IndexError:
raise
except Exception:
pass
def print_proceses(
y, x, screen, proceses, columns, sort, reverse, width, show_only_active=True
):
header = "PID M SS CPU VHost IP Request"
screen.addstr(y, x, header + " " * (width - len(header)), curses.A_REVERSE)
n = 1
if sort != None:
for process in sorted(
proceses, key=operator.itemgetter(sort), reverse=reverse
):
n += print_process(
y + n, x, screen, process, columns, show_only_active, width
)
else:
for process in proceses:
n += print_process(
y + n, x, screen, process, columns, show_only_active, width
)
try:
screen.addstr(y + n, x, " " * width)
except Exception:
pass
def print_process(y, x, screen, process, columns, show_only_active, width):
if not show_only_active or (process[3] != "." and process[3] != "_"):
try:
screen.addstr(y, x, " " * width)
n = x
screen.addstr(y, n, str(process[columns[0]])) # SS
n = n + 6
screen.addstr(y, n, process[columns[1]]) # M
n = n + 2
screen.addstr(y, n, str(process[columns[2]])) # PID
n = n + 6
cpu = str(process[columns[3]])
if len(cpu.split('.')[1]) < 2:
cpu = cpu + "0" * (2 - len(cpu.split('.')[1]))
screen.addstr(y, n + (4 - len(cpu)), cpu) # CPU
n = n + 6
screen.addstr(y, n, str(process[columns[4]])) # VHOST
n = n + 16
screen.addstr(y, n, str(process[columns[5]])) # IP
n = n + 15
screen.addstr(y, n, " " + str(process[columns[6]])) # REQUEST
return 1
except Exception:
return 1
else:
return 0
def main(url, stdscr):
"""Shows the actual status of the Apache web server using the server-status
url. It needs the ExtendedStatus flag
Usage: apache-top -u url
-u url Url where apache-status is located
Example: apache-top.py -u http://www.domain.com/server-status
Interactive keys:
q Exit
P Sort by PID
C Sort by CPU usage
S Sort by Seconds since beginning of most recent request
V Sort by VirtualHost
M Sort by Mode of operation
R Sort by Request
I Sort by Ip
a Switch between show all processes and show only active processes (default)
r Reverse sort
"""
cols = {
"srv": 0,
"pid": 1,
"acc": 2,
"m": 3,
"cpu": 4,
"ss": 5,
"req": 6,
"conn": 7,
"child": 8,
"slot": 9,
"client": 10,
"vhost": 11,
"request": 12,
}
try:
print_screen(stdscr, url)
except Exception:
raise
if __name__ == "__main__":
url = None
try:
opt_list = getopt.getopt(sys.argv[1:], "u:h")
except Exception:
usage()
for opt in opt_list[0]:
if opt[0] == "-h":
usage(0)
elif opt[0] == "-u":
url = opt[1]
else:
usage
if url == None:
print(
"*** Please wait... Loading default IMH local WHM server status page.\n"
)
url = "http://127.0.0.1/whm-server-status"
try:
# Initialize curses
stdscr = curses.initscr()
# Turn off echoing of keys, and enter cbreak mode,
# where no buffering is performed on keyboard input
curses.noecho()
curses.cbreak()
curses.curs_set(0)
# In keypad mode, escape sequences for special keys
# (like the cursor keys) will be interpreted and
# a special value like curses.KEY_LEFT will be returned
stdscr.keypad(1)
try:
main(url, stdscr) # Enter the main loop
except Exception:
raise
# Set everything back to normal
curses.curs_set(1)
stdscr.keypad(0)
curses.echo()
curses.nocbreak()
curses.endwin() # Terminate curses
except Exception:
# In event of error, restore terminal to sane state.
stdscr.keypad(0)
curses.echo()
curses.nocbreak()
curses.endwin()
# traceback.print_exc() # Print the exception
print(
"ERROR parsing the data. Please, make sure you are alowed to read the server-status page and you have ExtendedStatus flag activated"
)