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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
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"]))
#self.ft_panel.clear()
#ft_section_y = 3
#self.ft_panel.getwin().addstr(ft_section_y, 2,"General Info:", curses.A_UNDERLINE)
#self.ft_panel.getwin().addstr(ft_section_y, 2, "{:<30} {:<30,}".format("Total Flows Opened:", ft_stats["total-opened-flows"]))
#ft_section_y = ft_section_y + 1
#self.ft_panel.getwin().addstr(ft_section_y, 2, "{:<30} {:<30,}".format("Total Flows Closed:", ft_stats["total-closed-flows"]))
#ft_section_y = ft_section_y + 1
#self.ft_panel.getwin().addstr(ft_section_y, 2, "{:<30} {:<30,}".format("Current Active Flows:", ft_stats["active-flows"]))
#ft_section_y = ft_section_y + 1
#self.ft_panel.getwin().addstr(ft_section_y, 2, "{:<30} {:<30,}".format("Flow Allocation Errors:", ft_stats["allocation_err"]))
def update_general (self, gen_stats):
if not gen_stats:
return
transport_info_section_y = 3
general_info_section_y = int(self.cls_panel.h * 0.5)
self.general_panel.clear()
# transport layer info
self.general_panel.getwin().addstr(transport_info_section_y, 2, "{:<30} {:^10} {:^5} {:^10}".format("Total Tx Rate:",
float_to_human_readable(gen_stats["total-rx-bps"]),
"/",
float_to_human_readable(gen_stats["total-rx-pps"], suffix = "pps")))
transport_info_section_y += 2
self.general_panel.getwin().addstr(transport_info_section_y, 2, "{:<30} {:^6.2f} %".format("DP Core Util.:", gen_stats["cpu-util"]));
transport_info_section_y += 2
for i in range(1, 3):
self.general_panel.getwin().addstr(transport_info_section_y, 2, "{:<30} {:^10} {:^5} {:^10}".format("Port {0} Rx:".format(i),
float_to_human_readable(gen_stats["port " + str(i)]["total-rx-bps"]),
"/",
float_to_human_readable(gen_stats["port " + str(i)]["total-rx-pps"], suffix = "pps")))
transport_info_section_y += 1
self.general_panel.getwin().addstr(general_info_section_y, 2,"General Info:", curses.A_UNDERLINE)
general_info_section_y = general_info_section_y + 2
self.general_panel.getwin().addstr(general_info_section_y, 2, "{:<30} {:<30}".format("VNBAR Main Process PID:", os.getppid()))
general_info_section_y = general_info_section_y + 1
self.general_panel.getwin().addstr(general_info_section_y, 2, "{:<30} {:<30}".format("ZMQ client online at:", vnbar_ipc.VnbarIpc.get_zmq_transport_name()))
# v2
def update_cls (self, pd_stats):
if not pd_stats:
return
self.cls_panel.clear()
section_start = 3
section_size = (self.cls_panel.h / 2) - 5
for port_name, pd in sorted(pd_stats.iteritems()):
if pd == None:
continue
# sort by bandwidth
pd = collections.OrderedDict(sorted(pd.items(), key=operator.itemgetter(1), reverse = True))
# restart the line index
line_index = 0
# headline
self.cls_panel.getwin().addstr(section_start + line_index, 2, "{0}:".format(port_name), curses.A_BOLD | curses.A_UNDERLINE)
line_index += 1
cls_str = "{:^45} {:^20} {:^20} {:^20}".format("Protocol Name", "Byte Count", "Packet Count", "B/W Perc.")
self.cls_panel.getwin().addstr(section_start + line_index, 2, cls_str)
line_index += 2
# protocols
proto_index = 0
proto_count = len(pd)
total_bandwidth = sum([i['bytes'] for i in pd.values()])
for proto_name, cnts in pd.iteritems():
proto_str = "{:<45} {:^20,} {:^20,} {:^20}".format(proto_name, cnts['bytes'], cnts['pkts'], percentage(cnts['bytes'], total_bandwidth) )
proto_index = proto_index + 1
if line_index > section_size:
self.cls_panel.getwin().addstr(section_start + line_index, 2, "<...{0} More...>".format(proto_count - proto_index), (curses.A_DIM if ((line_index % 2) == 0) else curses.A_BOLD))
break
self.cls_panel.getwin().addstr(section_start + line_index, 2, proto_str, (curses.A_DIM if ((line_index % 2) == 0) else curses.A_BOLD))
line_index += 1
section_start = section_start + section_size + 3
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 run (self):
try:
curses.curs_set(0)
except:
pass
curses.use_default_colors()
self.stdscr.nodelay(1)
curses.nonl()
curses.noecho()
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()
self.update_active = True
while (True):
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')):
break
else:
self.add_log_event("Unknown key pressed {0}".format("'" + chr(ch) + "'" if chr(ch).isalpha() else ""))
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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