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#!/bin/env python
##
## Copyright (c) 2010-2017 Intel Corporation
##
## Licensed under the Apache License, Version 2.0 (the "License");
## you may not use this file except in compliance with the License.
## You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
##
import threading
from time import *
from proxsocket import *
from remotesystem import *
class ProxStarter:
def __init__(self, remoteSystem, cmd):
self._remoteSystem = remoteSystem
self._cmd = cmd
self._thread = None
self._prox = None;
self._result = None;
self._startDuration = None
def startThreaded(self):
self._start_thread = threading.Thread(target = self._run, args = (self, 1))
self._start_thread.start();
def joinThreaded(self):
self._start_thread.join();
return self._result;
def getResult(self):
return self._result;
def getStartDuration(self):
return self._startDuration;
def getProx(self):
return self._prox;
def _run(self, a, b):
before = time.time()
self._remoteSystem.run("sudo killall -w -q -9 prox")
self._result = self._remoteSystem.run(self._cmd);
sleep(1)
after = time.time()
self._startDuration = after - before;
class StatsCmd(object):
def __init__(self, prox):
self._cmd = ""
self._parts = []
self._beforeParts = []
self._prox = prox;
def sendRecv(self):
cmd = self.getCmd()
reply = self._prox._send(cmd)._recv()
self.setReply(reply)
def add(self, stats):
if (len(self._cmd) != 0):
self._cmd += ","
self._cmd += stats
if (len(self._parts) == 0):
self._beforeParts += [0]
else:
before = self._parts[-1] + self._beforeParts[-1];
self._beforeParts += [before]
self._parts += [stats.count(",") + 1];
def getCmd(self):
return "stats " + self._cmd;
def setReply(self, reply):
self._reply = reply.split(",");
def getResult(self, idx):
start = self._beforeParts[idx];
end = start + self._parts[idx];
return self._reply[start:end]
class Prox(object):
def __init__(self, systemConfig):
self._systemConfig = systemConfig;
self._proxStarter = None
user = self._systemConfig._user
ip = self._systemConfig._ip
self._remoteSystem = remoteSystem(user, ip);
self.resetArguments()
def resetArguments(self):
self._args = []
def addArgument(self, arg):
self._args.append(arg);
def startFork(self):
cmd = self.getCmd();
self._proxStarter = ProxStarter(self._remoteSystem, cmd)
self._proxStarter.startThreaded();
def startJoin(self):
ret = self.startJoinNoConnect();
self._connectSocket();
self._querySetup();
return self._proxStarter.getStartDuration();
def startJoinNoConnect(self):
return self._proxStarter.joinThreaded();
def getCmd(self):
proxDir = self._systemConfig.getProxDir();
cfgFile = self._systemConfig.getCfgFile();
cmd = "cd " + proxDir + "; "
cmd += "sudo ./build/prox "
cmd += "-f " + cfgFile
for arg in self._args:
cmd += " " + arg
return cmd
def getLog(self):
proxDir = self._systemConfig.getProxDir()
cmd = "cat " + proxDir + "/prox.log";
return self._remoteSystem.run(cmd)["out"];
def getIP(self):
return self._systemConfig._ip;
def getHz(self):
return self._hz;
def getBeg(self):
return self._beg;
def getPorts(self):
return self._ports;
def getIerrors(self):
sc = StatsCmd(self)
sc.add(self._buildIerrorsCmd());
sc.sendRecv()
return self._parseIerrorsReply(sc.getResult(0));
def _parseIerrorsReply(self, rep):
tot_ierrors = 0;
for e in rep:
tot_ierrors += int(e);
return tot_ierrors;
def _buildIerrorsCmd(self):
cmd = ""
for port in self._ports:
if (len(cmd)):
cmd += ","
cmd += "port(%s).ierrors" % str(port)
return cmd;
def waitCmdFinished(self):
self._send("stats hz")._recv();
def waitAllLinksUp(self):
link_down = True;
while (link_down):
link_down = False;
for port in self._ports:
cmd = "port link state %s" % str(port)
link_state = self._send(cmd)._recv();
if (link_state == "down"):
link_down = True;
print "Link down on port " + str(port) + ", waiting one second"
break;
sleep(1);
def startAllCores(self):
self._send("start all");
def stopAllCores(self):
self._send("stop all");
def forceQuit(self):
self._send("quit_force")._recv();
def killProx(self):
self._remoteSystem.run("sudo killall -w -q -9 prox")
def getTsc(self):
return self._getTsc();
def _getTsc(self):
return int(self._send("stats global.tsc")._recv());
def scpStatsDump(self, dst):
proxDir = self._systemConfig.getProxDir()
src = proxDir + "/stats_dump";
print "Copying " + src + " to " + dst
self._remoteSystem.scp(src, dst);
def _querySetup(self):
print "Query setup on " + str(self.getIP())
self._queryHz()
self._queryBeg()
self._queryPorts()
self._querySetup2()
def _querySetup2(self):
print "running query 2"
pass
def quitProx(self):
self._send("quit")._recv();
def _queryHz(self):
self._hz = int(self._send("stats hz")._recv());
def _queryBeg(self):
self._beg = self._getTsc();
def _queryPorts(self):
self._ports = []
port_info_all = self._send("port info all")._recv();
port_info_list = port_info_all.split(',');
for port_info in port_info_list:
if (len(port_info) > 0):
self._ports.append(int(port_info.split(":")[0]));
def _connectSocket(self):
self._proxSocket = ProxSocket(self.getIP())
def _send(self, msg):
self._proxSocket.send(msg);
return self
def _recv(self):
return self._proxSocket.recv();
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