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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# AWL simulator - Client interface
#
# Copyright 2013-2019 Michael Buesch <m@bues.ch>
#
# 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 __future__ import division, absolute_import, print_function, unicode_literals
import sys
import getopt
from awlsim_loader.common import *
from awlsim_loader.coreclient import *
def printCpuStats(cpuStatsMsg):
if not cpuStatsMsg:
print("Failed to fetch CPU statistics.")
return
if cpuStatsMsg.insnPerSecond > 0.0:
insnPerSecondStr = floatToHumanReadable(cpuStatsMsg.insnPerSecond)
usPerInsnStr = "%.03f" % ((1.0 / cpuStatsMsg.insnPerSecond) * 1000000.0)
else:
insnPerSecondStr = "-/-"
usPerInsnStr = "-/-"
if (cpuStatsMsg.avgCycleTime <= 0.0 or
cpuStatsMsg.minCycleTime <= 0.0 or
cpuStatsMsg.maxCycleTime <= 0.0):
avgCycleTimeStr = minCycleTimeStr = maxCycleTimeStr = "-/-"
else:
avgCycleTimeStr = "%.03f" % (cpuStatsMsg.avgCycleTime * 1000.0)
minCycleTimeStr = "%.03f" % (cpuStatsMsg.minCycleTime * 1000.0)
maxCycleTimeStr = "%.03f" % (cpuStatsMsg.maxCycleTime * 1000.0)
if cpuStatsMsg.running:
print("CPU RUN %.01f s (system uptime %.01f s)" % (
cpuStatsMsg.runtime, cpuStatsMsg.uptime))
else:
print("CPU STOP (system uptime %.01f s)" % (
cpuStatsMsg.uptime))
print(" OB1: avg: %s ms min: %s ms max: %s ms" % (
avgCycleTimeStr, minCycleTimeStr, maxCycleTimeStr))
print(" Speed: %s stmt/s (= %s us/stmt) %.01f stmt/cycle" % (
insnPerSecondStr, usPerInsnStr, cpuStatsMsg.insnPerCycle))
class TextInterfaceAwlSimClient(AwlSimClient):
pass
def usage():
print("awlsim-client version %s" % VERSION_STRING)
print("")
print("Usage: awlsim-client [OPTIONS] <ACTIONS>")
print("")
print("Options:")
print(" -c|--connect HOST[:PORT] Connect to the server at HOST:PORT")
print(" Defaults to %s:%d" % (
AwlSimServer.DEFAULT_HOST, AwlSimServer.DEFAULT_PORT))
print(" -t|--timeout 10.0 Set the connection timeout (default 10 s)")
print(" -L|--loglevel LVL Set the client log level:")
print(" 0: Log nothing")
print(" 1: Log errors")
print(" 2: Log errors and warnings (default)")
print(" 3: Log errors, warnings and info messages")
print(" 4: Verbose logging")
print(" 5: Extremely verbose logging")
print("")
print(" -s|--ssh-tunnel Establish the connection via SSH tunnel.")
print(" -P|--ssh-passphrase XYZ Use XYZ as SSH passphrase.")
print(" Default: Ask user.")
print(" --ssh-user %s SSH user. Default: %s" % (
SSHTunnel.SSH_DEFAULT_USER, SSHTunnel.SSH_DEFAULT_USER))
print(" --ssh-port %s SSH port. Default: %s" % (
SSHTunnel.SSH_PORT, SSHTunnel.SSH_PORT))
print(" --ssh-localport auto SSH localport number or 'auto'.")
print(" --ssh-exe %s SSH client executable path. Default: %s" % (
SSHTunnel.SSH_DEFAULT_EXECUTABLE, SSHTunnel.SSH_DEFAULT_EXECUTABLE))
print("")
print("Actions to be performed on the server:")
print(" -r|--runstate RUN/STOP Set the run state of the CPU.")
print(" -S|--stats Fetch and display CPU statistics.")
print(" --meas-start Start instruction time measurements.")
print(" --meas-stop Stop instruction time measurements.")
print(" --shutdown Shutdown the core server system.")
print(" --reboot Reboot the core server system.")
def main():
opt_connect = (AwlSimServer.DEFAULT_HOST, AwlSimServer.DEFAULT_PORT)
opt_timeout = 10.0
opt_loglevel = Logging.LOG_WARNING
opt_sshTunnel = False
opt_sshPassphrase = None
opt_sshUser = SSHTunnel.SSH_DEFAULT_USER
opt_sshPort = SSHTunnel.SSH_PORT
opt_sshLocalPort = None
opt_sshExe = SSHTunnel.SSH_DEFAULT_EXECUTABLE
actions = []
try:
(opts, args) = getopt.getopt(sys.argv[1:],
"hc:t:L:sP:r:S",
[ "help", "connect=", "timeout=", "loglevel=",
"ssh-tunnel", "ssh-passphrase=", "ssh-user=", "ssh-port=", "ssh-localport=", "ssh-exe=",
"runstate=", "stats", "meas-start", "meas-stop", "shutdown", "reboot", ])
except getopt.GetoptError as e:
printError(str(e))
usage()
return ExitCodes.EXIT_ERR_CMDLINE
for (o, v) in opts:
if o in ("-h", "--help"):
usage()
return ExitCodes.EXIT_OK
if o in ("-c", "--connect"):
try:
host, port = parseNetAddress(v)
if port is None:
port = AwlSimServer.DEFAULT_PORT
opt_connect = (host, port)
except AwlSimError as e:
printError("-c|--connect: %s" % e.message)
sys.exit(1)
if o in ("-t", "--timeout"):
try:
opt_timeout = float(v)
except ValueError:
printError("-t|--timeout: Invalid timeout value")
sys.exit(1)
if o in ("-L", "--loglevel"):
try:
opt_loglevel = int(v)
except ValueError:
printError("-L|--loglevel: Invalid log level")
sys.exit(1)
if o in ("-s", "--ssh-tunnel"):
opt_sshTunnel = True
if o in ("-P", "--ssh-passphrase"):
opt_sshPassphrase = v
if o == "--ssh-user":
opt_sshUser = v
if o == "--ssh-port":
try:
opt_sshPort = int(v)
except ValueError:
printError("--ssh-port: Invalid port number")
sys.exit(1)
if o == "--ssh-localport":
try:
if v.lower().strip() == "auto":
opt_sshLocalPort = None
else:
opt_sshLocalPort = int(v)
except ValueError:
printError("--ssh-localport: Invalid port number")
sys.exit(1)
if o == "--ssh-exe":
opt_sshExe = v
if o in ("-r", "--runstate"):
if v.upper().strip() in ("RUN", "1", "START"):
actions.append(("runstate", True))
elif v.upper().strip() in ("STOP", "0"):
actions.append(("runstate", False))
else:
printError("-r|--runstate: Invalid run state")
sys.exit(1)
if o in ("-S", "--stats"):
actions.append(("stats", None))
if o == "--meas-start":
actions.append(("meas-start", None))
if o == "--meas-stop":
actions.append(("meas-stop", None))
if o == "--shutdown":
actions.append(("shutdown", None))
if o == "--reboot":
actions.append(("reboot", None))
if args:
usage()
return ExitCodes.EXIT_ERR_CMDLINE
if not actions:
usage()
return ExitCodes.EXIT_ERR_CMDLINE
client = None
try:
Logging.setLoglevel(opt_loglevel)
host, port = opt_connect
if opt_sshTunnel:
printInfo("Establishing SSH tunnel...")
tunnel = SSHTunnel(
remoteHost=host,
remotePort=port,
localPort=opt_sshLocalPort,
sshUser=opt_sshUser,
sshPort=opt_sshPort,
sshExecutable=opt_sshExe,
sshPassphrase=opt_sshPassphrase
)
host, port = tunnel.connect()
client = TextInterfaceAwlSimClient()
client.connectToServer(host=host,
port=port,
timeout=opt_timeout)
for action, actionValue in actions:
if action == "runstate":
client.setRunState(actionValue)
elif action == "stats":
printCpuStats(client.getCpuStats(sync=True))
elif action == "meas-start":
if not client.measStart():
printError("Failed to start measurements.")
elif action == "meas-stop":
reportData = client.measStop()
if reportData:
sys.stdout.write(reportData)
sys.stdout.flush()
else:
printError("Measurement failed. No data.")
elif action == "shutdown":
client.shutdownCoreServerSystem()
elif action == "reboot":
client.rebootCoreServerSystem()
else:
assert(0)
except AwlSimError as e:
printError(e.getReport())
return ExitCodes.EXIT_ERR_SIM
finally:
if client:
client.shutdown()
return ExitCodes.EXIT_OK
if __name__ == "__main__":
sys.exit(main())
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