def run(self):
"""
Keeps stats updated, checking for new information at a set rate.
"""
lastDraw = time.time() - 1
while not self._halt:
currentTime = time.time()
if self.isPaused(
) or currentTime - lastDraw < 1 or not self._isTorConnected:
self._cond.acquire()
if not self._halt: self._cond.wait(0.2)
self._cond.release()
else:
# Update the volatile attributes (cpu, memory, flags, etc) if we have
# a new resource usage sampling (the most dynamic stat) or its been
# twenty seconds since last fetched (so we still refresh occasionally
# when resource fetches fail).
#
# Otherwise, just redraw the panel to change the uptime field.
isChanged = False
if self.vals["tor/pid"]:
resourceTracker = sysTools.getResourceTracker(
self.vals["tor/pid"])
isChanged = self._lastResourceFetch != resourceTracker.getRunCount(
)
if isChanged or currentTime - self._lastUpdate >= 20:
self._update()
self.redraw(True)
lastDraw += 1
def run(self):
"""
Keeps stats updated, checking for new information at a set rate.
"""
lastDraw = time.time() - 1
while not self._halt:
currentTime = time.time()
if self.isPaused() or currentTime - lastDraw < 1 or not self._isTorConnected:
self._cond.acquire()
if not self._halt: self._cond.wait(0.2)
self._cond.release()
else:
# Update the volatile attributes (cpu, memory, flags, etc) if we have
# a new resource usage sampling (the most dynamic stat) or its been
# twenty seconds since last fetched (so we still refresh occasionally
# when resource fetches fail).
#
# Otherwise, just redraw the panel to change the uptime field.
isChanged = False
if self.vals["tor/pid"]:
resourceTracker = sysTools.getResourceTracker(self.vals["tor/pid"])
isChanged = self._lastResourceFetch != resourceTracker.getRunCount()
if isChanged or currentTime - self._lastUpdate >= 20:
self._update()
self.redraw(True)
lastDraw += 1
def eventTick(self):
"""
Fetch the cached measurement of resource usage from the ResourceTracker.
"""
primary, secondary = 0, 0
if self.queryPid:
resourceTracker = sysTools.getResourceTracker(self.queryPid, True)
if resourceTracker and not resourceTracker.lastQueryFailed():
primary, _, secondary, _ = resourceTracker.getResourceUsage()
primary *= 100 # decimal percentage to whole numbers
secondary /= 1048576 # translate size to MB so axis labels are short
self._processEvent(primary, secondary)
def eventTick(self):
"""
Fetch the cached measurement of resource usage from the ResourceTracker.
"""
primary, secondary = 0, 0
if self.queryPid:
resourceTracker = sysTools.getResourceTracker(self.queryPid, True)
if resourceTracker and not resourceTracker.lastQueryFailed():
primary, _, secondary, _ = resourceTracker.getResourceUsage()
primary *= 100 # decimal percentage to whole numbers
secondary /= 1048576 # translate size to MB so axis labels are short
self._processEvent(primary, secondary)
def _update(self, setStatic=False):
"""
Updates stats in the vals mapping. By default this just revises volatile
attributes.
Arguments:
setStatic - resets all parameters, including relatively static values
"""
self.valsLock.acquire()
conn = torTools.getConn()
if setStatic:
# version is truncated to first part, for instance:
# 0.2.2.13-alpha (git-feb8c1b5f67f2c6f) -> 0.2.2.13-alpha
self.vals["tor/version"] = conn.getInfo("version",
"Unknown").split()[0]
self.vals["tor/versionStatus"] = conn.getInfo(
"status/version/current", "Unknown")
self.vals["tor/nickname"] = conn.getOption("Nickname", "")
self.vals["tor/orPort"] = conn.getOption("ORPort", "0")
self.vals["tor/dirPort"] = conn.getOption("DirPort", "0")
self.vals["tor/controlPort"] = conn.getOption("ControlPort", "0")
self.vals["tor/socketPath"] = conn.getOption("ControlSocket", "")
self.vals["tor/isAuthPassword"] = conn.getOption(
"HashedControlPassword", None) != None
self.vals["tor/isAuthCookie"] = conn.getOption(
"CookieAuthentication", None) == "1"
# orport is reported as zero if unset
if self.vals["tor/orPort"] == "0": self.vals["tor/orPort"] = ""
# overwrite address if ORListenAddress is set (and possibly orPort too)
self.vals["tor/orListenAddr"] = ""
listenAddr = conn.getOption("ORListenAddress", None)
if listenAddr:
if ":" in listenAddr:
# both ip and port overwritten
self.vals["tor/orListenAddr"] = listenAddr[:listenAddr.
find(":")]
self.vals["tor/orPort"] = listenAddr[listenAddr.find(":") +
1:]
else:
self.vals["tor/orListenAddr"] = listenAddr
# fetch exit policy (might span over multiple lines)
policyEntries = []
for exitPolicy in conn.getOption("ExitPolicy", [], True):
policyEntries += [
policy.strip() for policy in exitPolicy.split(",")
]
self.vals["tor/exitPolicy"] = ", ".join(policyEntries)
# file descriptor limit for the process, if this can't be determined
# then the limit is None
fdLimit, fdIsEstimate = conn.getMyFileDescriptorLimit()
self.vals["tor/fdLimit"] = fdLimit
self.vals["tor/isFdLimitEstimate"] = fdIsEstimate
# system information
unameVals = os.uname()
self.vals["sys/hostname"] = unameVals[1]
self.vals["sys/os"] = unameVals[0]
self.vals["sys/version"] = unameVals[2]
pid = conn.getMyPid()
self.vals["tor/pid"] = pid if pid else ""
startTime = conn.getStartTime()
self.vals["tor/startTime"] = startTime if startTime else ""
# reverts volatile parameters to defaults
self.vals["tor/fingerprint"] = "Unknown"
self.vals["tor/flags"] = []
self.vals["tor/fdUsed"] = 0
self.vals["stat/%torCpu"] = "0"
self.vals["stat/%armCpu"] = "0"
self.vals["stat/rss"] = "0"
self.vals["stat/%mem"] = "0"
# sets volatile parameters
# TODO: This can change, being reported by STATUS_SERVER -> EXTERNAL_ADDRESS
# events. Introduce caching via torTools?
self.vals["tor/address"] = conn.getInfo("address", "")
self.vals["tor/fingerprint"] = conn.getInfo(
"fingerprint", self.vals["tor/fingerprint"])
self.vals["tor/flags"] = conn.getMyFlags(self.vals["tor/flags"])
# Updates file descriptor usage and logs if the usage is high. If we don't
# have a known limit or it's obviously faulty (being lower than our
# current usage) then omit file descriptor functionality.
if self.vals["tor/fdLimit"]:
fdUsed = conn.getMyFileDescriptorUsage()
if fdUsed and fdUsed <= self.vals["tor/fdLimit"]:
self.vals["tor/fdUsed"] = fdUsed
else:
self.vals["tor/fdUsed"] = 0
if self.vals["tor/fdUsed"] and self.vals["tor/fdLimit"]:
fdPercent = 100 * self.vals["tor/fdUsed"] / self.vals["tor/fdLimit"]
estimatedLabel = " estimated" if self.vals[
"tor/isFdLimitEstimate"] else ""
msg = "Tor's%s file descriptor usage is at %i%%." % (
estimatedLabel, fdPercent)
if fdPercent >= 90 and not self._isFdNinetyPercentWarned:
self._isFdSixtyPercentWarned, self._isFdNinetyPercentWarned = True, True
msg += " If you run out Tor will be unable to continue functioning."
log.warn(msg)
elif fdPercent >= 60 and not self._isFdSixtyPercentWarned:
self._isFdSixtyPercentWarned = True
log.notice(msg)
# ps or proc derived resource usage stats
if self.vals["tor/pid"]:
resourceTracker = sysTools.getResourceTracker(self.vals["tor/pid"])
if resourceTracker.lastQueryFailed():
self.vals["stat/%torCpu"] = "0"
self.vals["stat/rss"] = "0"
self.vals["stat/%mem"] = "0"
else:
cpuUsage, _, memUsage, memUsagePercent = resourceTracker.getResourceUsage(
)
self._lastResourceFetch = resourceTracker.getRunCount()
self.vals["stat/%torCpu"] = "%0.1f" % (100 * cpuUsage)
self.vals["stat/rss"] = str(memUsage)
self.vals["stat/%mem"] = "%0.1f" % (100 * memUsagePercent)
# determines the cpu time for the arm process (including user and system
# time of both the primary and child processes)
totalArmCpuTime, currentTime = sum(os.times()[:3]), time.time()
armCpuDelta = totalArmCpuTime - self._armCpuSampling[0]
armTimeDelta = currentTime - self._armCpuSampling[1]
pythonCpuTime = armCpuDelta / armTimeDelta
sysCallCpuTime = sysTools.getSysCpuUsage()
self.vals["stat/%armCpu"] = "%0.1f" % (
100 * (pythonCpuTime + sysCallCpuTime))
self._armCpuSampling = (totalArmCpuTime, currentTime)
self._lastUpdate = currentTime
self.valsLock.release()
def _update(self, setStatic=False):
"""
Updates stats in the vals mapping. By default this just revises volatile
attributes.
Arguments:
setStatic - resets all parameters, including relatively static values
"""
self.valsLock.acquire()
conn = torTools.getConn()
if setStatic:
# version is truncated to first part, for instance:
# 0.2.2.13-alpha (git-feb8c1b5f67f2c6f) -> 0.2.2.13-alpha
self.vals["tor/version"] = conn.getInfo("version", "Unknown").split()[0]
self.vals["tor/versionStatus"] = conn.getInfo("status/version/current", "Unknown")
self.vals["tor/nickname"] = conn.getOption("Nickname", "")
self.vals["tor/orPort"] = conn.getOption("ORPort", "0")
self.vals["tor/dirPort"] = conn.getOption("DirPort", "0")
self.vals["tor/controlPort"] = conn.getOption("ControlPort", "0")
self.vals["tor/socketPath"] = conn.getOption("ControlSocket", "")
self.vals["tor/isAuthPassword"] = conn.getOption("HashedControlPassword") != None
self.vals["tor/isAuthCookie"] = conn.getOption("CookieAuthentication") == "1"
# orport is reported as zero if unset
if self.vals["tor/orPort"] == "0": self.vals["tor/orPort"] = ""
# overwrite address if ORListenAddress is set (and possibly orPort too)
self.vals["tor/orListenAddr"] = ""
listenAddr = conn.getOption("ORListenAddress")
if listenAddr:
if ":" in listenAddr:
# both ip and port overwritten
self.vals["tor/orListenAddr"] = listenAddr[:listenAddr.find(":")]
self.vals["tor/orPort"] = listenAddr[listenAddr.find(":") + 1:]
else:
self.vals["tor/orListenAddr"] = listenAddr
# fetch exit policy (might span over multiple lines)
policyEntries = []
for exitPolicy in conn.getOption("ExitPolicy", [], True):
policyEntries += [policy.strip() for policy in exitPolicy.split(",")]
self.vals["tor/exitPolicy"] = ", ".join(policyEntries)
# file descriptor limit for the process, if this can't be determined
# then the limit is None
fdLimit, fdIsEstimate = conn.getMyFileDescriptorLimit()
self.vals["tor/fdLimit"] = fdLimit
self.vals["tor/isFdLimitEstimate"] = fdIsEstimate
# system information
unameVals = os.uname()
self.vals["sys/hostname"] = unameVals[1]
self.vals["sys/os"] = unameVals[0]
self.vals["sys/version"] = unameVals[2]
pid = conn.getMyPid()
self.vals["tor/pid"] = pid if pid else ""
startTime = conn.getStartTime()
self.vals["tor/startTime"] = startTime if startTime else ""
# reverts volatile parameters to defaults
self.vals["tor/fingerprint"] = "Unknown"
self.vals["tor/flags"] = []
self.vals["tor/fdUsed"] = 0
self.vals["stat/%torCpu"] = "0"
self.vals["stat/%armCpu"] = "0"
self.vals["stat/rss"] = "0"
self.vals["stat/%mem"] = "0"
# sets volatile parameters
# TODO: This can change, being reported by STATUS_SERVER -> EXTERNAL_ADDRESS
# events. Introduce caching via torTools?
self.vals["tor/address"] = conn.getInfo("address", "")
self.vals["tor/fingerprint"] = conn.getInfo("fingerprint", self.vals["tor/fingerprint"])
self.vals["tor/flags"] = conn.getMyFlags(self.vals["tor/flags"])
# Updates file descriptor usage and logs if the usage is high. If we don't
# have a known limit or it's obviously faulty (being lower than our
# current usage) then omit file descriptor functionality.
if self.vals["tor/fdLimit"]:
fdUsed = conn.getMyFileDescriptorUsage()
if fdUsed and fdUsed <= self.vals["tor/fdLimit"]: self.vals["tor/fdUsed"] = fdUsed
else: self.vals["tor/fdUsed"] = 0
if self.vals["tor/fdUsed"] and self.vals["tor/fdLimit"]:
fdPercent = 100 * self.vals["tor/fdUsed"] / self.vals["tor/fdLimit"]
estimatedLabel = " estimated" if self.vals["tor/isFdLimitEstimate"] else ""
msg = "Tor's%s file descriptor usage is at %i%%." % (estimatedLabel, fdPercent)
if fdPercent >= 90 and not self._isFdNinetyPercentWarned:
self._isFdSixtyPercentWarned, self._isFdNinetyPercentWarned = True, True
msg += " If you run out Tor will be unable to continue functioning."
log.log(self._config["log.fdUsageNinetyPercent"], msg)
elif fdPercent >= 60 and not self._isFdSixtyPercentWarned:
self._isFdSixtyPercentWarned = True
log.log(self._config["log.fdUsageSixtyPercent"], msg)
# ps or proc derived resource usage stats
if self.vals["tor/pid"]:
resourceTracker = sysTools.getResourceTracker(self.vals["tor/pid"])
if resourceTracker.lastQueryFailed():
self.vals["stat/%torCpu"] = "0"
self.vals["stat/rss"] = "0"
self.vals["stat/%mem"] = "0"
else:
cpuUsage, _, memUsage, memUsagePercent = resourceTracker.getResourceUsage()
self._lastResourceFetch = resourceTracker.getRunCount()
self.vals["stat/%torCpu"] = "%0.1f" % (100 * cpuUsage)
self.vals["stat/rss"] = str(memUsage)
self.vals["stat/%mem"] = "%0.1f" % (100 * memUsagePercent)
# determines the cpu time for the arm process (including user and system
# time of both the primary and child processes)
totalArmCpuTime, currentTime = sum(os.times()[:3]), time.time()
armCpuDelta = totalArmCpuTime - self._armCpuSampling[0]
armTimeDelta = currentTime - self._armCpuSampling[1]
pythonCpuTime = armCpuDelta / armTimeDelta
sysCallCpuTime = sysTools.getSysCpuUsage()
self.vals["stat/%armCpu"] = "%0.1f" % (100 * (pythonCpuTime + sysCallCpuTime))
self._armCpuSampling = (totalArmCpuTime, currentTime)
self._lastUpdate = currentTime
self.valsLock.release()
