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from time import sleep
import os
import curses
from curses import panel
import random
import collections
import operator
import datetime
g_curses_active = False
#
def percentage (a, total):
x = int ((float(a) / total) * 100)
return str(x) + "%"
# panel object
class TrexStatusPanel():
def __init__ (self, h, l, y, x, headline):
self.h = h
self.l = l
self.y = y
self.x = x
self.headline = headline
self.win = curses.newwin(h, l, y, x)
self.win.erase()
self.win.box()
self.win.addstr(1, 2, headline, curses.A_UNDERLINE)
self.win.refresh()
panel.new_panel(self.win)
self.panel = panel.new_panel(self.win)
self.panel.top()
def clear (self):
self.win.erase()
self.win.box()
self.win.addstr(1, 2, self.headline, curses.A_UNDERLINE)
def getwin (self):
return self.win
def float_to_human_readable (size, suffix = "bps"):
for unit in ['','K','M','G']:
if abs(size) < 1024.0:
return "%3.1f %s%s" % (size, unit, suffix)
size /= 1024.0
return "NaN"
# status object
class TrexStatus():
def __init__ (self, stdscr, rpc_client):
self.stdscr = stdscr
self.log = []
self.rpc_client = rpc_client
self.get_server_info()
def get_server_info (self):
rc, msg = self.rpc_client.get_rpc_server_status()
if rc:
self.server_status = msg
else:
self.server_status = None
def add_log_event (self, msg):
self.log.append("[{0}] {1}".format(str(datetime.datetime.now().time()), msg))
def add_panel (self, h, l, y, x, headline):
win = curses.newwin(h, l, y, x)
win.erase()
win.box()
win.addstr(1, 2, headline)
win.refresh()
panel.new_panel(win)
panel1 = panel.new_panel(win)
panel1.top()
return win, panel1
# static info panel
def update_info (self):
if self.server_status == None:
return
self.info_panel.clear()
connection_details = self.rpc_client.get_connection_details()
self.info_panel.getwin().addstr(3, 2, "{:<30} {:30}".format("Server:", connection_details['server'] + ":" + str(connection_details['port'])))
self.info_panel.getwin().addstr(4, 2, "{:<30} {:30}".format("Version:", self.server_status["general"]["version"]))
self.info_panel.getwin().addstr(5, 2, "{:<30} {:30}".format("Build:",
self.server_status["general"]["build_date"] + " @ " + self.server_status["general"]["build_time"] + " by " + self.server_status["general"]["version_user"]))
self.info_panel.getwin().addstr(6, 2, "{:<30} {:30}".format("Server Uptime:", self.server_status["general"]["uptime"]))
# general stats
def update_general (self, gen_stats):
pass
# control panel
def update_control (self):
self.control_panel.clear()
self.control_panel.getwin().addstr(1, 2, "'f' - freeze, 'c' - clear stats, 'p' - ping server, 'q' - quit")
index = 3
cut = len(self.log) - 4
if cut < 0:
cut = 0
for l in self.log[cut:]:
self.control_panel.getwin().addstr(index, 2, l)
index += 1
def generate_layout (self):
self.max_y = self.stdscr.getmaxyx()[0]
self.max_x = self.stdscr.getmaxyx()[1]
# create cls panel
self.main_panel = TrexStatusPanel(int(self.max_y * 0.8), self.max_x / 2, 0,0, "Trex Activity:")
self.general_panel = TrexStatusPanel(int(self.max_y * 0.6), self.max_x / 2, 0, self.max_x /2, "General Statistics:")
self.info_panel = TrexStatusPanel(int(self.max_y * 0.2), self.max_x / 2, int(self.max_y * 0.6), self.max_x /2, "Server Info:")
self.control_panel = TrexStatusPanel(int(self.max_y * 0.2), self.max_x , int(self.max_y * 0.8), 0, "")
panel.update_panels(); self.stdscr.refresh()
def wait_for_key_input (self):
ch = self.stdscr.getch()
if (ch != curses.ERR):
# stop/start status
if (ch == ord('f')):
self.update_active = not self.update_active
self.add_log_event("Update continued" if self.update_active else "Update stopped")
elif (ch == ord('p')):
self.add_log_event("Pinging RPC server")
rc, msg = self.rpc_client.ping_rpc_server()
if rc:
self.add_log_event("Server replied: '{0}'".format(msg))
else:
self.add_log_event("Failed to get reply")
# c - clear stats
elif (ch == ord('c')):
self.add_log_event("Statistics cleared")
elif (ch == ord('q')):
return False
else:
self.add_log_event("Unknown key pressed {0}".format("'" + chr(ch) + "'" if chr(ch).isalpha() else ""))
return True
# main run entry point
def run (self):
try:
curses.curs_set(0)
except:
pass
curses.use_default_colors()
self.stdscr.nodelay(1)
curses.nonl()
curses.noecho()
self.generate_layout()
self.update_active = True
while (True):
rc = self.wait_for_key_input()
if not rc:
break
self.update_control()
self.update_info()
panel.update_panels();
self.stdscr.refresh()
sleep(0.1)
def show_trex_status_internal (stdscr, rpc_client):
trex_status = TrexStatus(stdscr, rpc_client)
trex_status.run()
def show_trex_status (rpc_client):
try:
curses.wrapper(show_trex_status_internal, rpc_client)
except KeyboardInterrupt:
curses.endwin()
def cleanup ():
try:
curses.endwin()
except:
pass
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